/* roulang page: index */
:root{
      --bg:#100b16;
      --bg-deep:#09060d;
      --panel:#18101f;
      --panel-2:#211427;
      --panel-soft:#2a1931;
      --text:#fbf4fc;
      --muted:#b8aabb;
      --dim:#837387;
      --line:rgba(225,120,217,.22);
      --line-bright:rgba(117,255,239,.55);
      --pink:#ed4fc2;
      --pink-light:#ff89db;
      --cyan:#73ffef;
      --purple:#8c59ef;
      --success:#77e8b1;
      --warning:#ffca74;
      --danger:#ff779c;
      --radius:16px;
      --radius-sm:8px;
      --shadow:0 18px 54px rgba(0,0,0,.34);
      --max:1240px;
      --space:clamp(3rem,7vw,6.5rem);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--bg);color:var(--text);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      line-height:1.7;overflow-x:hidden;
      background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.014) 1px,transparent 1px);
      background-size:34px 34px;
    }
    body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(circle at 86% 4%,rgba(237,79,194,.10),transparent 27%),radial-gradient(circle at 8% 44%,rgba(115,255,239,.055),transparent 23%)}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    ::selection{background:var(--pink);color:#170812}
    .grid-container{max-width:var(--max);padding-left:22px;padding-right:22px}
    .section{padding:var(--space) 0;position:relative}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--cyan);font-weight:700}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(2.25rem,5vw,4.8rem);line-height:1.08;letter-spacing:-.055em;margin:14px 0 22px}
    h2{font-size:clamp(1.65rem,2.8vw,2.55rem);line-height:1.2;letter-spacing:-.035em;margin:9px 0}
    h3{font-size:1.05rem;line-height:1.35;margin:0}
    .section-head p,.intro-copy{max-width:680px;color:var(--muted);font-size:15px;margin-bottom:0}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(10,6,14,.88);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}
    .topbar:after{content:"";position:absolute;bottom:-1px;left:0;width:30%;height:2px;background:linear-gradient(90deg,var(--pink),var(--cyan),transparent);box-shadow:0 0 16px var(--pink)}
    .nav-shell{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:11px;min-width:215px;font-size:15px;font-weight:800;white-space:nowrap}
    .brand-mark{display:grid;place-items:center;width:31px;height:31px;border:1px solid var(--pink);color:var(--cyan);font-family:monospace;font-size:12px;box-shadow:inset 0 0 14px rgba(237,79,194,.25)}
    .nav-links{display:flex;align-items:center;gap:7px}
    .nav-links a{position:relative;color:var(--muted);font-size:14px;padding:10px 13px;transition:.22s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--text)}
    .nav-links a.active:after,.nav-links a:hover:after{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;background:var(--pink);box-shadow:0 0 10px var(--pink)}
    .nav-cta,.button-main{display:inline-flex;align-items:center;justify-content:center;min-height:43px;padding:0 18px;border:1px solid var(--pink);background:var(--pink);color:#21091d;font-weight:800;border-radius:9px;transition:.22s ease}
    .nav-cta:hover,.button-main:hover{transform:translateY(-2px);background:var(--pink-light);box-shadow:0 10px 24px rgba(237,79,194,.25)}
    .mobile-toggle{display:none;background:transparent;border:1px solid var(--line);color:var(--text);padding:9px 12px;border-radius:8px}
    .hero{padding:72px 0 54px;overflow:hidden}
    .hero-copy{padding:28px 3vw 18px 0}
    .hero-copy .lead{max-width:590px;color:#d4c8d6;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:29px 0 24px}
    .button-outline{display:inline-flex;justify-content:center;align-items:center;min-height:43px;padding:0 18px;border:1px solid var(--line-bright);border-radius:9px;color:var(--cyan);font-weight:700;background:rgba(115,255,239,.03);transition:.22s}
    .button-outline:hover{background:rgba(115,255,239,.12);transform:translateY(-2px)}
    .mini-notice{font-size:12px;color:var(--dim);border-left:2px solid var(--warning);padding-left:10px}
    .hero-visual{position:relative;min-height:452px;padding:24px 0 0 20px}
    .cover{position:absolute;inset:0 0 18px 42px;overflow:hidden;border:1px solid var(--line);background:linear-gradient(140deg,#28142f 0%,#120c1c 55%,#221027 100%);box-shadow:var(--shadow);clip-path:polygon(9% 0,100% 0,100% 91%,91% 100%,0 100%,0 9%)}
    .cover:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(255,255,255,.025),rgba(255,255,255,.025) 1px,transparent 1px,transparent 6px)}
    .cover-number{position:absolute;right:25px;top:16px;font:700 clamp(6rem,15vw,11rem)/1 monospace;color:rgba(237,79,194,.13)}
    .cover-copy{position:absolute;left:42px;bottom:41px;z-index:1}
    .cover-copy strong{display:block;font-size:clamp(1.7rem,3vw,2.8rem);line-height:1.1}
    .cover-copy span{display:block;color:var(--muted);font-size:13px;margin-top:9px}
    .cover-bars{position:absolute;right:30px;bottom:39px;display:flex;align-items:flex-end;gap:5px;height:76px}
    .cover-bars i{display:block;width:8px;background:var(--cyan);box-shadow:0 0 12px rgba(115,255,239,.6)}
    .cover-bars i:nth-child(1){height:25%}.cover-bars i:nth-child(2){height:72%}.cover-bars i:nth-child(3){height:45%}.cover-bars i:nth-child(4){height:100%;background:var(--pink)}.cover-bars i:nth-child(5){height:58%}
    .float-data{position:absolute;left:0;top:67px;width:152px;padding:15px;background:rgba(24,16,31,.95);border:1px solid var(--line-bright);box-shadow:var(--shadow)}
    .float-data b{font:700 25px/1.1 monospace;color:var(--cyan)}
    .float-data small{display:block;color:var(--muted);margin-top:6px;font-size:11px}
    .dashboard{border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(24,16,31,.82);box-shadow:var(--shadow);overflow:hidden}
    .dash-title{display:flex;justify-content:space-between;padding:13px 18px;border-bottom:1px solid var(--line);font-size:12px;letter-spacing:.12em;color:var(--muted)}
    .signal{color:var(--success);font-size:11px}.signal:before{content:"●";margin-right:6px;color:var(--success)}
    .metric{padding:20px 19px;border-right:1px solid var(--line);min-height:126px;position:relative}
    .metric:last-child{border-right:0}
    .metric .index{font:11px monospace;color:var(--pink)}
    .metric strong{display:block;font:700 clamp(1.65rem,3vw,2.45rem)/1.15 monospace;margin:12px 0 7px}
    .metric span{font-size:13px;color:var(--muted)}
    .metric:after{content:"";position:absolute;bottom:0;left:18px;width:34px;height:2px;background:var(--cyan)}
    .matrix-layout{align-items:stretch}
    .featured-card,.tool-card,.compare-panel,.faq-wrap,.form-card,.update-board,.calendar-board{border:1px solid var(--line);background:rgba(24,16,31,.78);box-shadow:var(--shadow)}
    .featured-card{height:100%;min-height:355px;padding:28px;position:relative;overflow:hidden;border-radius:var(--radius)}
    .featured-card:after{content:"01";position:absolute;right:20px;top:12px;font:700 92px/1 monospace;color:rgba(237,79,194,.10)}
    .featured-card p{max-width:370px;color:var(--muted);font-size:14px}
    .status-row{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}
    .badge{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:99px;padding:4px 9px;font-size:11px;color:var(--muted)}
    .badge.hot{border-color:rgba(237,79,194,.5);color:var(--pink-light)}.badge.new{border-color:rgba(115,255,239,.42);color:var(--cyan)}
    .energy-line{position:absolute;left:28px;right:28px;bottom:27px;height:2px;background:linear-gradient(90deg,var(--pink),var(--cyan),transparent)}
    .tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;height:100%}
    .tool-card{min-height:168px;padding:19px;border-radius:12px;transition:.22s ease;position:relative;overflow:hidden}
    .tool-card:hover{border-color:var(--line-bright);transform:translateY(-4px);background:var(--panel-2)}
    .tool-card .num{font:700 13px monospace;color:var(--pink)}
    .tool-card p{font-size:12px;color:var(--muted);margin:10px 0 14px;line-height:1.6}
    .tool-card a{font-size:13px;color:var(--cyan);font-weight:700}
    .compare-panel{border-radius:var(--radius);padding:0;overflow:hidden}
    .compare-row{display:grid;grid-template-columns:1.2fr 1fr 1fr;padding:18px 23px;gap:20px;border-bottom:1px solid var(--line);align-items:center}
    .compare-row:last-child{border-bottom:0}
    .compare-row.head{background:rgba(255,255,255,.025);color:var(--dim);font-size:11px;letter-spacing:.1em}
    .compare-name{font-weight:800}.compare-name small{display:block;color:var(--muted);font-weight:400;font-size:12px}
    .bar{height:8px;background:#34213b;border-radius:99px;overflow:hidden;position:relative}
    .bar i{height:100%;display:block;background:linear-gradient(90deg,var(--purple),var(--pink));border-radius:inherit;box-shadow:0 0 12px rgba(237,79,194,.45)}
    .compare-meta{color:var(--cyan);font:700 13px monospace}
    .news-layout{align-items:stretch}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:90px 1fr auto;gap:17px;padding:17px 0;border-bottom:1px solid var(--line);align-items:center;transition:.2s}
    .news-item:hover{padding-left:10px;background:rgba(237,79,194,.035)}
    .news-date{font:12px monospace;color:var(--cyan)}
    .news-item strong{display:block;font-size:15px}.news-item span{font-size:12px;color:var(--muted)}
    .news-item a{font-size:12px;color:var(--pink-light)}
    .update-board{height:100%;padding:24px;border-radius:var(--radius);background:linear-gradient(135deg,rgba(140,89,239,.15),rgba(24,16,31,.85))}
    .update-board h3{margin:10px 0 14px;font-size:1.3rem}
    .update-step{display:grid;grid-template-columns:28px 1fr;gap:12px;margin:18px 0}
    .step-dot{width:27px;height:27px;border:1px solid var(--cyan);display:grid;place-items:center;font:11px monospace;color:var(--cyan);border-radius:50%}
    .update-step p{font-size:13px;color:var(--muted);margin:2px 0 0}
    .calendar-board{border-radius:var(--radius);padding:23px}
    .calendar-days{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin-top:18px}
    .day{min-height:66px;border:1px solid var(--line);padding:8px;border-radius:7px;color:var(--dim);font:12px monospace}
    .day.marked{color:var(--text);background:rgba(237,79,194,.10);border-color:var(--pink)}
    .day.marked b{display:block;color:var(--cyan);font-size:10px;margin-top:6px}
    .faq-wrap{border-radius:var(--radius);overflow:hidden}
    .accordion{margin:0;background:transparent}
    .accordion-item{border-bottom:1px solid var(--line)}
    .accordion-item:last-child{border-bottom:0}
    .accordion-title{border:0!important;background:transparent!important;color:var(--text)!important;padding:19px 52px 19px 21px;font-weight:700;font-size:15px}
    .accordion-title:before{color:var(--cyan)!important;font-size:20px;right:22px!important}
    .accordion-title:hover,.accordion-title:focus{background:rgba(115,255,239,.055)!important;color:var(--cyan)!important}
    .accordion-content{border:0!important;background:rgba(0,0,0,.12)!important;color:var(--muted);padding:0 22px 20px;font-size:14px;line-height:1.85}
    .form-card{border-radius:var(--radius);padding:27px}
    label{font-size:13px;color:#e7dce8;font-weight:700;margin-bottom:8px}
    input,select,textarea{margin:0 0 16px!important;border:1px solid var(--line)!important;background:#100b16!important;color:var(--text)!important;border-radius:8px!important;box-shadow:none!important;padding:10px 12px!important}
    input:focus,select:focus,textarea:focus{border-color:var(--cyan)!important;box-shadow:0 0 0 3px rgba(115,255,239,.12)!important}
    textarea{min-height:113px;resize:vertical}
    .form-help{font-size:12px;color:var(--dim);margin:0 0 16px}
    .form-status{display:none;margin-top:14px;padding:10px 12px;border-radius:8px;font-size:13px}
    .form-status.success{display:block;background:rgba(119,232,177,.12);border:1px solid rgba(119,232,177,.36);color:var(--success)}
    .request-panel{height:100%;padding:28px;border-radius:var(--radius);background:linear-gradient(160deg,#28142e,#15101d);border:1px solid var(--line);position:relative;overflow:hidden}
    .request-panel:after{content:"18+";position:absolute;right:17px;bottom:-18px;font:700 102px/1 monospace;color:rgba(115,255,239,.06)}
    .request-panel p{color:var(--muted);font-size:14px;max-width:355px}
    .request-list{list-style:none;margin:21px 0;padding:0;position:relative}
    .request-list li{padding:10px 0;border-bottom:1px solid var(--line);font-size:13px;color:#dfd3e1}
    .request-list li:before{content:"✓";color:var(--cyan);margin-right:9px}
    .cta-strip{margin:0 0 var(--space);border:1px solid rgba(237,79,194,.4);background:linear-gradient(90deg,rgba(71,24,69,.72),rgba(24,16,31,.9));padding:30px;border-radius:var(--radius);display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;overflow:hidden}
    .cta-strip:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--pink);box-shadow:0 0 18px var(--pink)}
    .cta-strip h2{font-size:clamp(1.35rem,2.5vw,2rem);margin:4px 0}
    .cta-strip p{color:var(--muted);font-size:14px;margin:0}
    footer{border-top:1px solid var(--line);background:#0b0710;padding:42px 0 27px}
    .footer-brand{font-size:17px;font-weight:800;margin-bottom:9px}
    .footer-copy{color:var(--muted);font-size:13px;max-width:470px}
    .footer-links{display:flex;gap:16px;justify-content:flex-end;flex-wrap:wrap;font-size:13px;color:var(--muted)}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{border-top:1px solid rgba(255,255,255,.07);margin-top:27px;padding-top:18px;color:var(--dim);font-size:12px;display:flex;justify-content:space-between;gap:12px}
    :focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
    @media(max-width:900px){
      .nav-links{gap:0}.nav-links a{padding:10px 8px;font-size:13px}.brand{min-width:auto}
      .hero-visual{min-height:380px;margin-top:25px}.cover{left:25px}.float-data{top:48px}
      .metric{border-bottom:1px solid var(--line)}.metric:nth-child(2){border-right:0}
      .compare-row{grid-template-columns:1.1fr 1fr;gap:14px}.compare-row .compare-meta{grid-column:2}
    }
    @media(max-width:640px){
      .grid-container{padding-left:17px;padding-right:17px}
      .nav-shell{height:67px}.nav-links,.nav-cta{display:none}.mobile-toggle{display:block}
      .mobile-menu{display:none;position:absolute;top:67px;left:0;right:0;padding:12px 17px 18px;background:#100b16;border-bottom:1px solid var(--line)}
      .mobile-menu.open{display:grid}.mobile-menu a{padding:13px 9px;border-bottom:1px solid var(--line);color:var(--muted)}.mobile-menu a.active{color:var(--cyan)}
      .hero{padding:43px 0 32px}.hero-copy{padding-top:0}.hero-copy .lead{font-size:15px}.hero-visual{min-height:315px;padding-left:0}.cover{left:19px;bottom:7px}.cover-copy{left:28px;bottom:28px}.cover-bars{right:22px;bottom:25px}.float-data{width:125px;padding:11px;top:28px}.float-data b{font-size:20px}
      .section-head{display:block;margin-bottom:22px}.section-head p{margin-top:12px}
      .dashboard .cell:nth-child(odd) .metric{border-right:1px solid var(--line)}.metric{padding:16px 14px;min-height:111px}
      .tool-grid{gap:10px}.tool-card{padding:14px;min-height:154px}.featured-card{min-height:295px;padding:22px}
      .compare-row{grid-template-columns:1fr;gap:9px;padding:16px}.compare-row.head{display:none}.compare-row .compare-meta{grid-column:auto}.bar{max-width:100%}
      .news-item{grid-template-columns:62px 1fr;gap:11px}.news-item a{display:none}
      .calendar-days{gap:5px}.day{min-height:53px;padding:6px;font-size:10px}.day.marked b{font-size:8px}
      .cta-strip{display:block;padding:24px}.cta-strip .button-main{margin-top:17px;width:100%}
      .footer-links{justify-content:flex-start;margin-top:22px}.copyright{display:block}.copyright span{display:block;margin-top:5px}
    }

/* roulang page: category1 */
:root{
 --bg:#100b16;--bg-deep:#09060d;--panel:#18101f;--panel-2:#211427;
 --panel-soft:#2a1931;--text:#fbf4fc;--muted:#b8aabb;--dim:#837387;
 --line:rgba(225,120,217,.22);--line-bright:rgba(117,255,239,.55);
 --pink:#ed4fc2;--pink-light:#ff89db;--cyan:#73ffef;--purple:#8c59ef;
 --success:#77e8b1;--warning:#ffca74;--danger:#ff779c;
 --radius:16px;--radius-sm:8px;--shadow:0 18px 54px rgba(0,0,0,.34);
 --max:1240px;--space:clamp(3rem,7vw,6.5rem)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.7;overflow-x:hidden;background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.014) 1px,transparent 1px);background-size:34px 34px}
body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(circle at 86% 4%,rgba(237,79,194,.1),transparent 27%),radial-gradient(circle at 8% 44%,rgba(115,255,239,.055),transparent 23%)}
a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}
.grid-container{max-width:var(--max);padding-left:22px;padding-right:22px}
.section{padding:var(--space) 0;position:relative}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
.section-head h2{margin:8px 0 0;font-size:clamp(25px,3vw,38px);line-height:1.25}
.section-head p,.intro-copy{max-width:680px;color:var(--muted);font-size:15px;margin-bottom:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--cyan);font-weight:700}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.topbar{position:sticky;top:0;z-index:50;background:rgba(10,6,14,.9);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}
.topbar:after{content:"";position:absolute;bottom:-1px;left:0;width:30%;height:2px;background:linear-gradient(90deg,var(--pink),var(--cyan),transparent);box-shadow:0 0 16px var(--pink)}
.nav-shell{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px;min-width:215px;font-size:15px;font-weight:800;white-space:nowrap}
.brand-mark{display:grid;place-items:center;width:31px;height:31px;border:1px solid var(--pink);color:var(--cyan);font-family:monospace;font-size:12px;box-shadow:inset 0 0 14px rgba(237,79,194,.25)}
.nav-links{display:flex;align-items:center;gap:7px}
.nav-links a{position:relative;color:var(--muted);font-size:14px;padding:10px 13px;transition:.22s ease}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a.active:after,.nav-links a:hover:after{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;background:var(--pink);box-shadow:0 0 10px var(--pink)}
.nav-cta,.button-main{display:inline-flex;align-items:center;justify-content:center;min-height:43px;padding:0 18px;border:1px solid var(--pink);background:var(--pink);color:#21091d;font-weight:800;border-radius:9px;transition:.22s ease}
.nav-cta:hover,.button-main:hover{transform:translateY(-2px);background:var(--pink-light);box-shadow:0 10px 24px rgba(237,79,194,.25)}
.mobile-toggle{display:none;background:transparent;border:1px solid var(--line);color:var(--text);padding:9px 12px;border-radius:8px}
.mobile-toggle:focus,.button-main:focus,.button-outline:focus,.nav-links a:focus,input:focus,select:focus,textarea:focus,summary:focus{outline:3px solid rgba(115,255,239,.38);outline-offset:3px}
.page-intro{padding:58px 0 34px;border-bottom:1px solid var(--line)}
.breadcrumb{font-size:12px;color:var(--dim);margin-bottom:22px}
.breadcrumb a{color:var(--cyan)}
.page-intro h1{font-size:clamp(32px,5vw,62px);line-height:1.12;max-width:800px;margin:0 0 18px;letter-spacing:-.03em}
.page-intro p{max-width:720px;color:var(--muted);font-size:16px;margin:0}
.filter-wrap{padding:25px 0 8px}
.filter-bar{background:rgba(24,16,31,.86);border:1px solid var(--line);border-radius:var(--radius);padding:19px;box-shadow:var(--shadow)}
.filter-bar label{display:block;color:var(--muted);font-size:12px;margin-bottom:6px}
.filter-bar input,.filter-bar select,.feedback-form input,.feedback-form select,.feedback-form textarea{width:100%;background:#110b17;color:var(--text);border:1px solid var(--line);border-radius:8px;padding:10px 12px;height:44px}
.filter-bar input::placeholder,.feedback-form textarea::placeholder{color:var(--dim)}
.filter-bar .button-main{width:100%;height:44px}
.filter-status{display:flex;align-items:center;gap:10px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:17px;padding-top:14px;color:var(--dim);font-size:12px}
.badge{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:99px;padding:4px 9px;font-size:11px;color:var(--muted)}
.badge.hot{border-color:rgba(237,79,194,.5);color:var(--pink-light)}
.badge.new{border-color:rgba(115,255,239,.42);color:var(--cyan)}
.badge.ok{border-color:rgba(119,232,177,.4);color:var(--success)}
.feature-strip{padding:42px 0 24px}
.strip-scroll{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:15px}
.feature-card{min-height:195px;border:1px solid var(--line);border-radius:var(--radius);padding:23px;background:linear-gradient(135deg,rgba(42,25,49,.92),rgba(24,16,31,.92));position:relative;overflow:hidden;transition:.22s}
.feature-card:first-child{min-height:235px}
.feature-card:after{content:"精选";position:absolute;right:-8px;top:16px;color:rgba(237,79,194,.12);font-weight:900;font-size:62px}
.feature-card:hover{transform:translateY(-5px);border-color:var(--line-bright);box-shadow:var(--shadow)}
.feature-card h3{font-size:20px;margin:18px 0 8px;position:relative;z-index:1}
.feature-card p{color:var(--muted);font-size:13px;max-width:360px}
.meta-line{display:flex;gap:15px;flex-wrap:wrap;color:var(--dim);font-size:12px;margin:18px 0}
.text-link{color:var(--cyan);font-size:13px;font-weight:700}
.content-area{padding:30px 0 var(--space)}
.index-panel{border:1px solid var(--line);background:rgba(24,16,31,.65);border-radius:var(--radius);padding:20px;position:sticky;top:100px}
.index-panel h3{font-size:15px;margin:0 0 15px}
.index-panel a{display:flex;justify-content:space-between;padding:11px 0;color:var(--muted);font-size:13px;border-bottom:1px solid rgba(225,120,217,.12)}
.index-panel a:hover,.index-panel a.active{color:var(--cyan)}
.index-panel span{font-family:monospace;color:var(--dim)}
.list-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}
.list-head h2{font-size:24px;margin:0}.list-head small{color:var(--dim)}
.content-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
.content-card{border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:17px;min-height:215px;transition:.22s;position:relative}
.content-card:hover{border-color:var(--pink);transform:translateY(-3px);box-shadow:0 14px 35px rgba(0,0,0,.25)}
.cover{height:82px;border-radius:8px;margin-bottom:15px;background:linear-gradient(125deg,#311d3c 0%,#51234b 48%,#162b35 100%);position:relative;overflow:hidden}
.cover:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 9px,rgba(115,255,239,.09) 10px),linear-gradient(90deg,transparent,rgba(237,79,194,.3))}
.cover-number{position:absolute;left:13px;top:9px;font:700 25px monospace;color:var(--cyan)}
.content-card h3{font-size:16px;margin:0 0 7px}.content-card p{color:var(--muted);font-size:12px;margin:0 0 12px}
.card-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;color:var(--dim);font-size:11px}
.pagination-row{display:flex;justify-content:center;gap:10px;margin-top:27px}
.button-outline{display:inline-flex;justify-content:center;align-items:center;min-height:43px;padding:0 18px;border:1px solid var(--line-bright);border-radius:9px;color:var(--cyan);font-weight:700;background:rgba(115,255,239,.03);transition:.22s}
.button-outline:hover{background:rgba(115,255,239,.12);transform:translateY(-2px)}
.compliance{border:1px solid rgba(255,202,116,.28);background:rgba(255,202,116,.06);border-radius:12px;padding:18px 20px;color:var(--muted);font-size:13px}
.compliance strong{color:var(--warning)}
.faq-wrap{border-radius:var(--radius);overflow:hidden}
details{border-bottom:1px solid var(--line);padding:0 22px}
details:last-child{border-bottom:0}summary{cursor:pointer;list-style:none;padding:19px 0;font-weight:700}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";float:right;color:var(--cyan);font-size:21px;line-height:1}
details[open] summary:after{content:"−";color:var(--pink)}
details p{color:var(--muted);font-size:14px;padding:0 30px 18px 0;margin:0}
.cta-band{padding:45px 0;background:linear-gradient(90deg,rgba(81,31,79,.75),rgba(25,35,42,.76));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-band h2{margin:0 0 8px;font-size:clamp(24px,3vw,36px)}.cta-band p{color:var(--muted);margin:0}
.feedback-form{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(24,16,31,.78);box-shadow:var(--shadow)}
.feedback-form label{display:block;color:var(--muted);font-size:13px;margin-bottom:6px}
.feedback-form textarea{height:112px;resize:vertical}.form-note{color:var(--dim);font-size:12px;margin:14px 0 0}
footer{padding:50px 0 25px;background:var(--bg-deep);border-top:1px solid var(--line)}
.footer-brand{font-size:18px;font-weight:800;margin-bottom:10px}.footer-copy{color:var(--muted);font-size:13px;max-width:560px}
.footer-links{display:flex;justify-content:flex-end;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px}.footer-links a:hover{color:var(--cyan)}
.copyright{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:30px;padding-top:18px;color:var(--dim);font-size:11px}
.age-modal{display:none;position:fixed;inset:0;z-index:100;background:rgba(5,3,8,.82);align-items:center;justify-content:center;padding:20px}
.age-modal.show{display:flex}.age-box{max-width:440px;background:var(--panel-2);border:1px solid var(--pink);border-radius:var(--radius);padding:30px;box-shadow:0 0 50px rgba(237,79,194,.2)}.age-box h2{margin-top:0}.age-box p{color:var(--muted);font-size:14px}.age-actions{display:flex;gap:10px;flex-wrap:wrap}
@media(max-width:900px){.brand{min-width:0}.nav-cta{display:none}.strip-scroll{grid-template-columns:1fr 1fr}.feature-card:first-child{grid-column:span 2}.index-panel{position:static;margin-bottom:20px}}
@media(max-width:640px){.grid-container{padding-left:17px;padding-right:17px}.nav-shell{height:66px}.brand{font-size:13px}.brand-mark{width:28px;height:28px}.mobile-toggle{display:block}.nav-links{display:none;position:absolute;left:0;right:0;top:66px;padding:10px 17px 18px;background:var(--bg-deep);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:13px 10px}.page-intro{padding-top:38px}.page-intro h1{font-size:35px}.strip-scroll{display:flex;overflow-x:auto;padding-bottom:8px}.feature-card,.feature-card:first-child{min-width:285px;min-height:205px}.content-grid{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:12px}.filter-bar .cell{margin-bottom:12px}.footer-links{justify-content:flex-start;margin-top:20px}.copyright{display:block}.copyright span{display:block;margin-top:7px}}

/* roulang page: category2 */
:root{
      --bg:#100b16;
      --bg-deep:#09060d;
      --panel:#18101f;
      --panel-2:#211427;
      --panel-soft:#2a1931;
      --text:#fbf4fc;
      --muted:#b8aabb;
      --dim:#837387;
      --line:rgba(225,120,217,.22);
      --line-bright:rgba(117,255,239,.55);
      --pink:#ed4fc2;
      --pink-light:#ff89db;
      --cyan:#73ffef;
      --purple:#8c59ef;
      --success:#77e8b1;
      --warning:#ffca74;
      --danger:#ff779c;
      --radius:16px;
      --radius-sm:8px;
      --shadow:0 18px 54px rgba(0,0,0,.34);
      --max:1240px;
      --space:clamp(3rem,7vw,6.5rem);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--bg);color:var(--text);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      line-height:1.7;overflow-x:hidden;
      background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.014) 1px,transparent 1px);
      background-size:34px 34px;
    }
    body:before{
      content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;
      background:radial-gradient(circle at 86% 4%,rgba(237,79,194,.10),transparent 27%),radial-gradient(circle at 8% 44%,rgba(115,255,239,.055),transparent 23%)
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.25;letter-spacing:-.03em}
    h1{font-size:clamp(2rem,4.2vw,4rem);margin-bottom:18px}
    h2{font-size:clamp(1.55rem,2.5vw,2.45rem);margin-bottom:12px}
    h3{font-size:1.08rem;margin-bottom:8px}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid var(--cyan);outline-offset:3px
    }
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .grid-container{max-width:var(--max);padding-left:22px;padding-right:22px}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(10,6,14,.9);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}
    .topbar:after{content:"";position:absolute;bottom:-1px;left:0;width:30%;height:2px;background:linear-gradient(90deg,var(--pink),var(--cyan),transparent);box-shadow:0 0 16px var(--pink)}
    .nav-shell{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:11px;min-width:215px;font-size:15px;font-weight:800;white-space:nowrap}
    .brand-mark{display:grid;place-items:center;width:31px;height:31px;border:1px solid var(--pink);color:var(--cyan);font-family:monospace;font-size:12px;box-shadow:inset 0 0 14px rgba(237,79,194,.25)}
    .nav-links{display:flex;align-items:center;gap:7px}
    .nav-links a{position:relative;color:var(--muted);font-size:14px;padding:10px 13px;transition:.22s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--text)}
    .nav-links a.active:after,.nav-links a:hover:after{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;background:var(--pink);box-shadow:0 0 10px var(--pink)}
    .nav-cta,.button-main{display:inline-flex;align-items:center;justify-content:center;min-height:43px;padding:0 18px;border:1px solid var(--pink);background:var(--pink);color:#21091d;font-weight:800;border-radius:9px;transition:.22s ease}
    .nav-cta:hover,.button-main:hover{transform:translateY(-2px);background:var(--pink-light);box-shadow:0 10px 24px rgba(237,79,194,.25)}
    .mobile-toggle{display:none;background:transparent;border:1px solid var(--line);color:var(--text);padding:9px 12px;border-radius:8px}
    .section{padding:var(--space) 0;position:relative}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--cyan);font-weight:700}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
    .section-head p,.intro-copy{max-width:680px;color:var(--muted);font-size:15px;margin-bottom:0}
    .breadcrumb{padding-top:38px;color:var(--dim);font-size:13px}
    .breadcrumb a{color:var(--cyan)}
    .page-intro{padding:28px 0 42px}
    .page-intro .intro-copy{font-size:16px;max-width:760px}
    .intro-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
    .badge{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:99px;padding:4px 10px;font-size:11px;color:var(--muted)}
    .badge.hot{border-color:rgba(237,79,194,.5);color:var(--pink-light)}
    .badge.new{border-color:rgba(115,255,239,.42);color:var(--cyan)}
    .badge.ok{border-color:rgba(119,232,177,.38);color:var(--success)}
    .summary-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(24,16,31,.72)}
    .summary-grid{display:grid;grid-template-columns:repeat(4,1fr)}
    .summary-item{padding:22px 24px;border-right:1px solid var(--line)}
    .summary-item:last-child{border-right:0}
    .summary-item strong{display:block;color:var(--cyan);font:700 clamp(1.35rem,2.3vw,2.2rem)/1.1 monospace}
    .summary-item span{display:block;color:var(--muted);font-size:12px;margin-top:7px}
    .data-label{font:700 11px monospace;color:var(--pink);letter-spacing:.08em}
    .filter-panel{padding:22px;border:1px solid var(--line);background:rgba(24,16,31,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .filter-panel label{display:block;color:var(--muted);font-size:12px;margin-bottom:7px}
    .filter-panel input,.filter-panel select,.filter-panel textarea{
      width:100%;height:44px;border:1px solid var(--line);border-radius:8px;background:var(--bg-deep);color:var(--text);padding:0 12px
    }
    .filter-panel input::placeholder{color:var(--dim)}
    .filter-panel input:hover,.filter-panel select:hover{border-color:var(--line-bright)}
    .filter-actions{display:flex;align-items:end;gap:10px;height:100%}
    .filter-actions .button-main,.filter-actions .button-outline{width:100%}
    .button-outline{display:inline-flex;justify-content:center;align-items:center;min-height:43px;padding:0 18px;border:1px solid var(--line-bright);border-radius:9px;color:var(--cyan);font-weight:700;background:rgba(115,255,239,.03);transition:.22s}
    .button-outline:hover{background:rgba(115,255,239,.12);transform:translateY(-2px)}
    .ranking{border:1px solid var(--line);background:rgba(24,16,31,.78);box-shadow:var(--shadow);border-radius:var(--radius);overflow:hidden}
    .ranking-head,.rank-row{display:grid;grid-template-columns:70px minmax(200px,1.4fr) 1fr 90px 110px 100px;gap:18px;align-items:center}
    .ranking-head{padding:14px 22px;background:rgba(255,255,255,.035);color:var(--dim);font:11px monospace;letter-spacing:.1em}
    .rank-row{padding:19px 22px;border-top:1px solid var(--line);transition:.2s}
    .rank-row:hover{background:var(--panel-2)}
    .rank-no{font:700 22px monospace;color:var(--pink)}
    .rank-title{font-weight:800}
    .rank-title small{display:block;color:var(--dim);font-size:11px;font-weight:400;margin-top:3px}
    .rank-info{color:var(--muted);font-size:12px}
    .rank-time{color:var(--cyan);font:700 13px monospace}
    .rank-action{font-size:12px;color:var(--cyan);font-weight:700;text-align:right}
    .compare-panel{border-radius:var(--radius);overflow:hidden}
    .compare-row{display:grid;grid-template-columns:1.35fr 1fr 1fr;padding:18px 23px;gap:20px;border-bottom:1px solid var(--line);align-items:center}
    .compare-row:last-child{border-bottom:0}
    .compare-row.head{background:rgba(255,255,255,.025);color:var(--dim);font-size:11px;letter-spacing:.1em}
    .compare-meta{color:var(--cyan);font:700 13px monospace}
    .bar{height:7px;background:#332139;border-radius:99px;overflow:hidden;margin-top:8px}
    .bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--pink),var(--cyan));box-shadow:0 0 10px rgba(115,255,239,.35)}
    .feature-card,.compact-card{position:relative;border:1px solid var(--line);background:rgba(24,16,31,.82);border-radius:var(--radius);overflow:hidden;transition:.24s ease}
    .feature-card:hover,.compact-card:hover{border-color:var(--line-bright);transform:translateY(-4px);box-shadow:var(--shadow)}
    .feature-card{min-height:370px;padding:25px;display:flex;flex-direction:column;justify-content:end}
    .cover,.compact-cover{position:absolute;inset:0;background:radial-gradient(circle at 75% 22%,rgba(115,255,239,.4),transparent 18%),linear-gradient(135deg,#381b43,#130b1b 72%);opacity:.65}
    .cover:after,.compact-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,6,13,.98),rgba(9,6,13,.08) 75%)}
    .feature-content,.compact-content{position:relative;z-index:1}
    .feature-card h3{font-size:1.45rem}
    .feature-card p,.compact-card p{color:var(--muted);font-size:13px}
    .compact-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .compact-card{min-height:176px;padding:19px;display:flex;align-items:end}
    .compact-cover{background:radial-gradient(circle at 25% 20%,rgba(237,79,194,.45),transparent 22%),linear-gradient(135deg,#29163c,#0e0915 70%)}
    .compact-card h3{font-size:1rem}
    .compact-card p{margin-bottom:0}
    .faq-wrap{border-radius:var(--radius);overflow:hidden}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item:last-child{border-bottom:0}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;border:0;background:transparent;color:var(--text);padding:20px 23px;font-weight:700}
    .faq-question span:last-child{color:var(--cyan);font-size:20px}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 23px 20px;max-width:840px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question{color:var(--pink-light)}
    .notice{padding:19px 22px;border-left:3px solid var(--warning);background:rgba(255,202,116,.06);color:var(--muted);font-size:13px;border-radius:0 10px 10px 0}
    .cta{padding:40px 0;background:linear-gradient(90deg,rgba(52,20,60,.88),rgba(24,16,31,.65));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{margin-bottom:7px}
    .cta p{margin-bottom:0;color:var(--muted)}
    footer{padding:48px 0 24px;background:rgba(9,6,13,.82);border-top:1px solid var(--line)}
    .footer-brand{font-weight:800;font-size:17px;margin-bottom:8px}
    .footer-copy{color:var(--muted);font-size:13px;max-width:570px}
    .footer-links{display:flex;justify-content:flex-end;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:30px;padding-top:19px;color:var(--dim);font-size:11px}
    .age-dialog{display:none;position:fixed;inset:0;z-index:80;background:rgba(5,3,8,.86);align-items:center;justify-content:center;padding:20px}
    .age-dialog.show{display:flex}
    .age-box{max-width:430px;width:100%;padding:30px;border:1px solid var(--pink);background:var(--panel);border-radius:var(--radius);box-shadow:0 0 48px rgba(237,79,194,.2)}
    .age-box p{color:var(--muted);font-size:14px}
    .age-actions{display:flex;gap:10px;margin-top:23px}
    @media(max-width:1024px){
      .nav-cta{display:none}
      .ranking-head,.rank-row{grid-template-columns:55px minmax(160px,1.3fr) 1fr 80px 90px}
      .ranking-head span:nth-child(5),.rank-row .rank-info.extra{display:none}
    }
    @media(max-width:768px){
      .nav-shell{height:68px}
      .brand{min-width:0;font-size:13px}
      .nav-links{display:none;position:absolute;left:22px;right:22px;top:76px;padding:10px;background:var(--panel);border:1px solid var(--line);border-radius:10px;flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:13px 15px}
      .mobile-toggle{display:block}
      .summary-grid{grid-template-columns:repeat(2,1fr)}
      .summary-item:nth-child(2){border-right:0}
      .summary-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .section-head{display:block}
      .section-head p{margin-top:13px}
      .ranking-head{display:none}
      .rank-row{grid-template-columns:45px minmax(0,1fr) 75px 68px;padding:17px 14px;gap:10px}
      .rank-row .rank-info{display:none}
      .rank-action{text-align:left}
      .compare-row{grid-template-columns:1fr 1fr;padding:16px}
      .compare-row.head{grid-template-columns:1fr 1fr}
      .compare-row>*:first-child{grid-column:1/-1}
      .cta-box{display:block}
      .cta-box .button-main{margin-top:20px}
      .footer-links{justify-content:flex-start;margin-top:20px}
    }
    @media(max-width:520px){
      .grid-container{padding-left:16px;padding-right:16px}
      .breadcrumb{padding-top:25px}
      .page-intro{padding:22px 0 30px}
      .summary-item{padding:17px 14px}
      .summary-item strong{font-size:1.35rem}
      .filter-panel{padding:16px}
      .filter-actions{height:auto;margin-top:15px}
      .compact-grid{grid-template-columns:1fr}
      .feature-card{min-height:320px}
      .rank-row{grid-template-columns:35px minmax(0,1fr) 66px}
      .rank-action{display:none}
      .copyright{display:block}
      .copyright span{display:block;margin-top:7px}
      .age-actions{flex-direction:column}
    }