/* roulang page: index */
:root{
      --ink:#17181d;--paper:#f4f3ef;--card:#fff;--night:#202127;--night2:#292b33;
      --purple:#7357ed;--purple-dark:#5b42d1;--lime:#d6f45b;--cyan:#9ce9df;
      --muted:#73747e;--line:#deddd8;--white:#fafafa;--radius:20px;
      --shadow:0 15px 40px rgba(24,25,31,.09);--container:1220px
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 44px));margin:auto}
    .topline{background:var(--night);color:#c6c6cb;font-size:12px;padding:7px 0}
    .topline .container{display:flex;justify-content:space-between;gap:20px}
    header{position:sticky;top:0;z-index:20;background:rgba(244,243,239,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
    .nav{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;letter-spacing:-1px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--purple);color:var(--lime);display:grid;place-items:center;font-weight:900;font-size:18px;transform:rotate(-8deg)}
    .channels{display:flex;align-items:center;gap:4px;flex:1}
    .channels a{padding:9px 12px;color:#5c5d65;font-size:14px;position:relative;white-space:nowrap}
    .channels a:hover,.channels a.active{color:var(--purple-dark)}
    .channels a.active:after{content:"";position:absolute;height:3px;width:22px;background:var(--purple);left:12px;bottom:2px;border-radius:5px}
    .nav-search{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;padding:3px 5px 3px 12px;background:#fff}
    .nav-search input{width:105px;border:0;outline:0;background:transparent;font-size:13px}
    .search-btn{background:var(--night);color:#fff;padding:7px 10px;border-radius:7px}
    .menu-btn{display:none;background:var(--night);color:#fff;padding:8px 12px;border-radius:8px}
    .hero{padding:46px 0 35px;background:var(--night);color:var(--white)}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:stretch}
    .hero-copy{padding:38px 10px 28px 0}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;border-radius:99px;padding:3px 10px;font-size:12px;font-weight:700}
    .eyebrow{background:#353741;color:var(--lime);margin-bottom:18px}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.16;letter-spacing:-3px;max-width:650px}
    .hero-copy p{color:#c8c8ce;font-size:17px;line-height:1.9;max-width:600px;margin:22px 0}
    .actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:10px;font-weight:700;transition:.2s;border:1px solid transparent}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(115,87,237,.25);outline-offset:2px}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#e2ff71}
    .btn-secondary{border-color:#53555f;color:#fff;background:transparent}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime)}
    .btn-text{padding-left:0;color:var(--purple-dark);background:transparent}
    .hero-art{min-height:390px;border-radius:24px;overflow:hidden;position:relative;background:url('/assets/images/backpic/back-1.webp') center/cover}
    .hero-art:after{content:"";position:absolute;inset:0;background:linear-gradient(145deg,transparent 25%,rgba(20,21,27,.8))}
    .art-note{position:absolute;z-index:1;bottom:24px;left:24px;right:24px;border-left:3px solid var(--lime);padding-left:14px}
    .art-note strong{font-size:21px;display:block}
    .hero-points{display:flex;gap:25px;margin-top:29px;color:#aaa}
    .hero-points b{display:block;color:var(--lime);font-size:22px;line-height:1.3}
    section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
    .kicker{color:var(--purple-dark);font-weight:800;font-size:13px;letter-spacing:1px}
    h2{font-size:clamp(27px,3vw,42px);line-height:1.25;letter-spacing:-1.5px}
    .section-head p{max-width:500px;color:var(--muted);line-height:1.8}
    .metrics{padding:25px 0;background:var(--lime)}
    .metric-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:#b4ce3d;border:1px solid #b4ce3d}
    .metric{padding:19px;background:var(--lime);min-height:120px}
    .metric strong{font-size:31px;display:block;line-height:1.2}
    .metric span{font-size:13px;font-weight:700}.metric small{display:block;color:#5f6c24;margin-top:6px}
    .matrix{background:#fff}
    .matrix-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;grid-template-rows:1fr 1fr;gap:16px}
    .feature-card,.small-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.25s}
    .feature-card:hover,.small-card:hover,.news-row:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .feature-card{grid-row:span 2;display:flex;flex-direction:column}
    .feature-card img{height:245px}.small-card{padding:23px;display:flex;flex-direction:column;justify-content:space-between}
    .small-card img{height:105px;border-radius:13px;margin-bottom:15px}
    .feature-body{padding:25px}.feature-body h3,.small-card h3{font-size:22px;line-height:1.4;margin:9px 0}
    .small-card h3{font-size:18px}.feature-body p,.small-card p{color:var(--muted);font-size:14px}
    .tag{background:#eeedf9;color:var(--purple-dark);margin-bottom:7px}
    .tag.dark{background:#353741;color:var(--lime)}
    .deep{background:var(--night);color:#fff}
    .deep-grid{display:grid;grid-template-columns:7fr 5fr;gap:55px;align-items:center}
    .deep h2{margin:8px 0 20px}.deep p{color:#c2c2c9;margin:0 0 18px;line-height:2}
    .deep img{height:420px;border-radius:22px}
    .quote-line{border-left:3px solid var(--lime);padding:9px 0 9px 18px;color:#fff;font-size:18px;margin-top:25px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);gap:0}
    .step{padding:24px 22px 8px 0;border-right:1px solid var(--line);margin-right:22px}.step:last-child{border:0}
    .step i{display:block;width:13px;height:13px;background:var(--purple);border:3px solid var(--paper);box-shadow:0 0 0 1px var(--purple);border-radius:50%;margin-top:-32px;margin-bottom:19px}
    .step h3{font-size:19px;margin-bottom:8px}.step p{color:var(--muted);font-size:14px}
    .split{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:stretch}
    .intro-box{padding:33px;background:var(--purple);color:#fff;border-radius:var(--radius)}
    .intro-box h2{margin:10px 0 18px}.intro-box p{color:#eee;line-height:2}
    .intro-box .tag{background:rgba(255,255,255,.15);color:var(--lime)}
    .observation{background:#fff;border-radius:var(--radius);padding:31px;border:1px solid var(--line)}
    .observation h3{font-size:22px;margin-bottom:15px}.observation p{color:#5e5f68;margin-bottom:13px}
    .observation ul{list-style:none;border-top:1px solid var(--line);margin-top:20px}
    .observation li{padding:12px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:20px}
    .observation li b{color:var(--purple-dark)}
    .news{background:#ecebe6}
    .news-layout{display:grid;grid-template-columns:1.6fr .8fr;gap:28px}
    .news-list{background:#fff;border-radius:var(--radius);padding:5px 25px}
    .news-row{display:grid;grid-template-columns:83px 1fr 90px;gap:18px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line);transition:.2s}
    .news-row:last-child{border-bottom:0}.news-date{color:var(--purple-dark);font-weight:800;font-size:13px}
    .news-row h3{font-size:17px;margin-bottom:3px}.news-row p{color:var(--muted);font-size:13px;line-height:1.7}
    .news-row .btn-text{font-size:13px;text-align:right}
    .side-feature{background:var(--night);color:#fff;border-radius:var(--radius);padding:25px}
    .side-feature img{height:145px;border-radius:14px;margin:15px 0}
    .side-feature p{color:#bebec5;font-size:14px}.side-feature h3{font-size:22px;line-height:1.4}
    .compare{background:#fff}
    .compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}
    .compare-col{padding:31px;background:#f5f4f0}.compare-col.good{background:var(--night);color:#fff}
    .compare-col h3{font-size:22px;margin-bottom:18px}.compare-col.good h3{color:var(--lime)}
    .compare-item{padding:15px 0;border-top:1px solid rgba(120,120,120,.25);display:flex;justify-content:space-between;gap:20px}
    .compare-item span{color:var(--muted);font-size:14px}.good .compare-item span{color:#bcbcc4}
    .compare-item b{font-size:14px;text-align:right}
    .guide{background:var(--paper)}
    .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .guide-card{padding:25px;border:1px solid var(--line);border-radius:16px;background:#fff}
    .guide-card em{font-style:normal;color:var(--purple);font-size:28px;font-weight:900}.guide-card h3{margin:8px 0;font-size:19px}.guide-card p{color:var(--muted);font-size:14px}
    .topics{background:#dfe7cb}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .topic{background:#fff;border-radius:16px;padding:22px;min-height:190px}.topic:nth-child(2){background:var(--night);color:#fff}.topic:nth-child(2) p{color:#c4c4ca}
    .topic h3{font-size:20px}.topic p{color:var(--muted);font-size:14px;margin:10px 0 17px}
    .rank{background:var(--night);color:#fff}.rank-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center}
    .rank p{color:#c2c2c9}.rank-list{border-top:1px solid #454650}.rank-list div{display:grid;grid-template-columns:35px 1fr 70px;gap:15px;padding:13px 0;border-bottom:1px solid #454650;align-items:center}.rank-list b{color:var(--lime)}
    .faq{background:#fff}.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}.faq-intro p{color:var(--muted);margin-top:16px}
    details{border-top:1px solid var(--line);padding:17px 0}details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-size:17px;font-weight:800;list-style:none;display:flex;justify-content:space-between}summary:after{content:"+";color:var(--purple);font-size:22px}details[open] summary:after{content:"−"}details p{color:var(--muted);padding:10px 35px 0 0;line-height:1.9}
    .signup{background:var(--purple);color:#fff}.signup-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}.signup h2{margin:10px 0 17px}.signup p{color:#e7e5fb}.benefits{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.benefits span{border:1px solid rgba(255,255,255,.3);padding:5px 11px;border-radius:99px;font-size:12px}
    form{background:#fff;border-radius:18px;padding:25px;color:var(--ink);display:grid;grid-template-columns:1fr 1fr;gap:15px}.field{display:flex;flex-direction:column;gap:5px}.field.full{grid-column:1/-1}.field label{font-weight:700;font-size:13px}.field input,.field select,.field textarea{border:1px solid #d7d6d2;border-radius:9px;padding:10px 12px;background:#fafafa;outline:0}.field textarea{min-height:76px;resize:vertical}.field input:hover,.field select:hover,.field textarea:hover{border-color:var(--purple)}.error{color:#b43d50;font-size:12px}.consent{font-size:12px;color:var(--muted);grid-column:1/-1}.form-btn{grid-column:1/-1;background:var(--night);color:#fff}.form-btn:hover{background:#08090b}
    .privacy{padding:30px 0;background:#e6e5df}.privacy p{color:#686972;font-size:13px;max-width:850px}
    footer{background:var(--night);color:#fff;padding:45px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:35px;border-bottom:1px solid #41424b}.footer-brand p{color:#aaa;margin-top:12px;max-width:340px}.footer h3{font-size:14px;color:var(--lime);margin-bottom:12px}.footer a{color:#bcbcc2;font-size:13px;display:block;margin:5px 0}.footer a:hover{color:var(--lime)}.copyright{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#92939b;font-size:12px;padding-top:20px}.float-cta{position:fixed;right:23px;bottom:23px;z-index:10;background:var(--lime);color:var(--ink);padding:10px 16px;border-radius:99px;font-weight:800;box-shadow:0 8px 22px #0002}
    @media(max-width:1024px){.channels{gap:0}.channels a{padding:8px 7px}.metric-grid{grid-template-columns:repeat(3,1fr)}.matrix-grid{grid-template-columns:1fr 1fr}.feature-card{grid-row:auto;grid-column:span 2}.topic-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.topline{display:none}.nav{height:65px;gap:12px}.channels{display:none}.nav-search{margin-left:auto}.nav-search input{width:75px}.menu-btn{display:block}.hero-grid,.deep-grid,.split,.news-layout,.rank-grid,.faq-grid,.signup-grid{grid-template-columns:1fr;gap:25px}.hero{padding-top:28px}.hero-copy{padding:10px 0}.hero-art{min-height:280px}section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:12px}.timeline{grid-template-columns:1fr 1fr;gap:24px}.step{border-right:0;border-bottom:1px solid var(--line);margin:0;padding-bottom:20px}.step i{margin-top:-31px}.news-row{grid-template-columns:70px 1fr}.news-row .btn-text{display:none}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){.container{width:min(100% - 36px,var(--container))}.brand{font-size:18px}.brand-mark{width:29px;height:29px}.nav-search{display:none}h1{font-size:39px;letter-spacing:-2px}.hero-points{gap:14px}.hero-points b{font-size:18px}.metric-grid{grid-template-columns:1fr 1fr}.metric{min-height:105px;padding:14px}.metric strong{font-size:24px}.matrix-grid,.guide-grid,.topic-grid,.compare-wrap,form{grid-template-columns:1fr}.feature-card{grid-column:auto}.feature-card img{height:190px}.deep img{height:260px}.timeline{grid-template-columns:1fr}.news-list{padding:5px 16px}.news-row{gap:10px}.news-row h3{font-size:15px}.rank-list div{grid-template-columns:28px 1fr 58px}.field.full,.consent,.form-btn{grid-column:auto}.footer-grid{grid-template-columns:1fr}.float-cta{right:14px;bottom:14px;font-size:13px}}

/* roulang page: category2 */
:root{--ink:#17181d;--paper:#f4f3ef;--card:#fff;--night:#202127;--night2:#292b33;--purple:#7357ed;--purple-dark:#5b42d1;--lime:#d6f45b;--cyan:#9ce9df;--muted:#73747e;--line:#deddd8;--white:#fafafa;--radius:20px;--shadow:0 15px 40px rgba(24,25,31,.09);--container:1220px}
*{box-sizing:border-box;margin:0}html{scroll-behavior:smooth}body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);background:var(--paper);font-size:15px;line-height:1.8}a{color:inherit;text-decoration:none}img{display:block;width:100%;object-fit:cover}button,input,select,textarea{font:inherit}button{cursor:pointer;border:0}.container{width:min(var(--container),calc(100% - 44px));margin:auto}
.topline{background:var(--night);color:#c5c5cc;font-size:12px}.topline .container{min-height:31px;display:flex;justify-content:space-between;align-items:center;gap:18px}.signal{color:var(--lime);font-weight:700}header{position:sticky;top:0;z-index:20;background:rgba(244,243,239,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{height:76px;display:flex;align-items:center;gap:23px}.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;letter-spacing:-1px;white-space:nowrap}.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--purple);color:var(--lime);display:grid;place-items:center;font-weight:900;font-size:18px;transform:rotate(-8deg)}.channels{display:flex;align-items:center;flex:1;min-width:0}.channels a{padding:9px 10px;color:#5c5d65;font-size:14px;position:relative;white-space:nowrap}.channels a:hover,.channels a.active{color:var(--purple-dark)}.channels a.active:after{content:"";position:absolute;height:3px;width:22px;background:var(--purple);left:10px;bottom:2px;border-radius:5px}.nav-search{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;padding:3px 5px 3px 11px;background:#fff}.nav-search input{width:105px;border:0;outline:0;background:transparent;font-size:13px}.search-btn{background:var(--night);color:#fff;padding:7px 10px;border-radius:7px}.menu-btn{display:none;background:var(--night);color:#fff;padding:8px 12px;border-radius:8px}
.hero{background:var(--night);color:var(--white);padding:55px 0 42px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:38px;align-items:center}.crumb{color:#aaaab3;font-size:13px;margin-bottom:20px}.crumb b{color:var(--lime)}h1{font-size:clamp(34px,4vw,58px);line-height:1.18;letter-spacing:-2px;max-width:700px}.hero p{color:#c8c8ce;font-size:17px;line-height:1.9;margin:20px 0 25px;max-width:650px}.eyebrow,.tag,.status{display:inline-flex;align-items:center;gap:7px;border-radius:99px;padding:3px 10px;font-size:12px;font-weight:700}.eyebrow{background:#353741;color:var(--lime);margin-bottom:17px}.hero-art{height:345px;border-radius:24px;overflow:hidden;position:relative;background:url('/assets/images/backpic/back-2.webp') center/cover}.hero-art:after{content:"";position:absolute;inset:0;background:linear-gradient(145deg,transparent,rgba(20,21,27,.78))}.art-data{position:absolute;z-index:1;right:20px;bottom:20px;width:205px;padding:17px;border:1px solid #666873;background:rgba(32,33,39,.86);border-radius:15px}.art-data b{display:block;color:var(--lime);font-size:27px;line-height:1.1}.art-data span{font-size:13px;color:#d0d0d5}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:10px;font-weight:700;transition:.2s;border:1px solid transparent}.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(115,87,237,.25);outline-offset:2px}.btn-primary{background:var(--lime);color:var(--ink)}.btn-primary:hover{background:#e2ff71}.btn-secondary{border-color:#5a5b65;color:#fff;background:transparent;margin-left:9px}.btn-secondary:hover{border-color:var(--lime);color:var(--lime)}.btn-text{padding:0;color:var(--purple-dark);background:transparent}.btn-text:hover{color:var(--purple)}
section{padding:72px 0}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:27px}.section-head h2{font-size:29px;line-height:1.3;letter-spacing:-1px}.section-head p{max-width:535px;color:var(--muted)}.metrics{background:var(--lime);padding:0}.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}.metric{padding:26px 28px;border-right:1px solid rgba(23,24,29,.22)}.metric:last-child{border:0}.metric b{font-size:31px;line-height:1;display:block}.metric span{font-size:13px}.filterbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:#fff;padding:15px;border-radius:15px;border:1px solid var(--line);margin-bottom:24px}.filterbar strong{margin-right:5px}.filter{padding:7px 13px;border:1px solid var(--line);border-radius:99px;background:#fff;color:#565760;transition:.2s}.filter:hover,.filter.active{background:var(--night);color:var(--lime);border-color:var(--night)}
.schedule-layout{display:grid;grid-template-columns:190px 1fr;gap:27px}.date-rail{border-left:1px solid var(--line);padding-left:20px}.date-rail a{display:block;color:var(--muted);padding:10px 0;font-size:14px}.date-rail a:first-child{color:var(--purple-dark);font-weight:800}.day-group{margin-bottom:28px}.day-title{display:flex;align-items:center;gap:14px;margin-bottom:14px}.day-title b{font-size:20px}.day-title span{font-size:13px;color:var(--muted)}.match-card{display:grid;grid-template-columns:92px 1fr 148px;align-items:center;gap:20px;padding:20px 22px;background:var(--card);border:1px solid var(--line);border-radius:16px;margin-bottom:11px;transition:.22s}.match-card:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#c4baf5}.time{font-weight:900;font-size:18px}.time small{display:block;color:var(--muted);font-weight:500;font-size:12px}.match-main h3{font-size:17px;line-height:1.5}.match-main p{color:var(--muted);font-size:13px}.tag{background:#eeedf9;color:var(--purple-dark);margin-top:7px}.status{background:#f0f0ed;color:#666}.status.live{background:#eef8ca;color:#516308}.cover-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.feature-cover{min-height:390px;border-radius:var(--radius);overflow:hidden;position:relative;color:#fff;background:#333}.feature-cover img{height:100%}.feature-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(18,18,22,.88),transparent 65%)}.cover-copy{position:absolute;z-index:1;left:28px;right:28px;bottom:25px}.cover-copy h3{font-size:28px;line-height:1.35;margin:8px 0}.cover-copy p{color:#d4d4d7}.mini-covers{display:grid;gap:20px}.mini-cover{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:13px;background:#fff;border:1px solid var(--line);border-radius:16px;transition:.2s}.mini-cover:hover{box-shadow:var(--shadow);transform:translateY(-3px)}.mini-cover img{height:125px;border-radius:10px}.mini-cover h3{font-size:17px;line-height:1.45;margin:5px 0}.mini-cover p{font-size:13px;color:var(--muted)}
.dark{background:var(--night);color:#fff}.reading-grid{display:grid;grid-template-columns:7fr 5fr;gap:50px}.longread h2{font-size:32px;line-height:1.35;margin-bottom:17px}.longread p{color:#d0d0d6;margin:0 0 16px}.point-list{border-top:1px solid #4a4b54}.point-list div{padding:17px 0;border-bottom:1px solid #4a4b54;display:flex;gap:14px}.point-list b{color:var(--lime)}.point-list span{color:#c6c6cc}.data-panel{padding:27px;background:var(--night2);border-radius:20px}.bar{margin:20px 0}.bar label{display:flex;justify-content:space-between;font-size:13px}.track{height:7px;background:#454650;border-radius:99px;margin-top:8px}.track i{display:block;height:100%;background:var(--lime);border-radius:99px}.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}.compare-card{padding:27px;border-radius:var(--radius);background:#eae9e4}.compare-card.good{background:var(--purple);color:#fff}.compare-card h3{font-size:22px;margin-bottom:14px}.compare-card li{list-style:none;padding:12px 0;border-top:1px solid rgba(60,60,65,.2);font-size:14px}.compare-card.good li{border-color:rgba(255,255,255,.24)}.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px}.faq-grid p{color:var(--muted)}.faq-item{background:#fff;border-bottom:1px solid var(--line)}.faq-q{width:100%;padding:19px 18px;text-align:left;background:#fff;font-weight:800;display:flex;justify-content:space-between;gap:20px}.faq-q span{color:var(--purple);font-size:21px}.faq-a{display:none;padding:0 18px 18px;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}
.subscribe{padding:72px 0;background:#dce5d0}.subscribe-box{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:38px;background:var(--night);color:#fff;border-radius:24px}.subscribe-box h2{font-size:31px;line-height:1.35}.subscribe-box p{color:#c4c4cc;margin-top:12px}.form-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-self:center}.form-row input{border:1px solid #5b5c66;background:#32333b;color:#fff;border-radius:10px;padding:12px 14px}.form-row input::placeholder{color:#a4a4ad}.form-note{font-size:12px;color:#a8a8b0;margin-top:10px}.form-error{display:none;color:#ffb8b8;font-size:12px;margin-top:7px}
footer{background:#17181d;color:#d3d3d8;padding:53px 0 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px;padding-bottom:42px}.footer-brand p{color:#9f9fa8;max-width:390px;margin-top:15px}.footer-grid h3{font-size:14px;color:var(--lime);margin-bottom:10px}.footer-grid>div:not(:first-child) a{display:block;color:#b8b8c0;font-size:14px;padding:3px 0}.footer-grid a:hover{color:var(--lime)}.copyright{border-top:1px solid #363740;padding:17px 0;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#96969e;font-size:12px}.copyright a:hover{color:var(--lime)}
@media(max-width:1100px){.channels{overflow:auto}.nav-search{display:none}.schedule-layout{grid-template-columns:150px 1fr}.nav{gap:12px}.channels a{padding:9px 8px}}@media(max-width:768px){.topline .container span:last-child{display:none}.nav{height:65px}.channels{display:none}.menu-btn{display:block;margin-left:auto}.hero{padding:37px 0}.hero-grid,.cover-grid,.reading-grid,.faq-grid,.subscribe-box{grid-template-columns:1fr}.hero-art{height:260px}.metrics-grid{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid rgba(23,24,29,.22)}.section-head{display:block}.section-head p{margin-top:10px}.schedule-layout{grid-template-columns:1fr}.date-rail{display:flex;gap:15px;overflow:auto;border-left:0;border-bottom:1px solid var(--line);padding:0 0 8px}.date-rail a{white-space:nowrap}.match-card{grid-template-columns:74px 1fr}.match-card .btn{grid-column:2;justify-self:start}.cover-grid{gap:16px}.mini-covers{grid-template-columns:1fr 1fr}.mini-cover{grid-template-columns:1fr}.mini-cover img{height:120px}.compare{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:520px){.container{width:min(var(--container),calc(100% - 36px))}h1{font-size:36px}.hero p{font-size:15px}.btn-secondary{margin:9px 0 0}.metrics-grid{grid-template-columns:1fr 1fr}.metric{padding:19px}.match-card{padding:17px 15px;gap:12px}.match-main h3{font-size:15px}.mini-covers{grid-template-columns:1fr}.reading-grid{gap:28px}.subscribe-box{padding:27px 20px}.footer-grid{grid-template-columns:1fr;gap:25px}.copyright{display:block}.copyright span{display:block;margin:5px 0}}

/* roulang page: category1 */
:root{
 --ink:#17181d;--paper:#f4f3ef;--card:#fff;--night:#202127;--night2:#292b33;
 --purple:#7357ed;--purple-dark:#5b42d1;--lime:#d6f45b;--cyan:#9ce9df;
 --muted:#73747e;--line:#deddd8;--white:#fafafa;--radius:20px;
 --shadow:0 15px 40px rgba(24,25,31,.09);--container:1220px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:0}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{letter-spacing:-.04em}
.container{width:min(var(--container),calc(100% - 44px));margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(244,243,239,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;letter-spacing:-1px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--purple);color:var(--lime);display:grid;place-items:center;font-weight:900;font-size:18px;transform:rotate(-8deg)}
.channels{display:flex;align-items:center;gap:2px;flex:1}
.channels a{padding:9px 12px;color:#5c5d65;font-size:14px;position:relative;white-space:nowrap}
.channels a:hover,.channels a.active{color:var(--purple-dark)}
.channels a.active:after{content:"";position:absolute;height:3px;width:22px;background:var(--purple);left:12px;bottom:2px;border-radius:5px}
.nav-search{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;padding:3px 5px 3px 12px;background:#fff}
.nav-search input{width:105px;border:0;outline:0;background:transparent;font-size:13px}
.search-btn{background:var(--night);color:#fff;padding:7px 10px;border-radius:7px}
.menu-btn{display:none;background:var(--night);color:#fff;padding:8px 12px;border-radius:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:10px;font-weight:700;transition:.2s;border:1px solid transparent}
.btn:hover{transform:translateY(-2px)}
.btn:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(115,87,237,.25);outline-offset:2px}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:#e2ff71}
.btn-secondary{border-color:#53555f;color:#fff;background:transparent}
.btn-secondary:hover{border-color:var(--lime);color:var(--lime)}
.btn-text{padding-left:0;color:var(--purple-dark);background:transparent}
.eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;border-radius:99px;padding:3px 10px;font-size:12px;font-weight:700}
.eyebrow{background:#eeedf9;color:var(--purple-dark)}
.tag{background:#eeedf9;color:var(--purple-dark);margin-bottom:8px}
.tag.dark{background:#353741;color:var(--lime)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-head p{max-width:550px;color:var(--muted);margin-bottom:0}
h2{font-size:34px;line-height:1.3;margin-bottom:10px}
h3{line-height:1.45}
.channel-hero{background:#fff;border-bottom:1px solid var(--line);padding:28px 0 30px}
.channel-hero-inner{display:grid;grid-template-columns:1.3fr .7fr;align-items:end;gap:40px}
.channel-hero h1{font-size:clamp(34px,5vw,62px);line-height:1.12;margin:14px 0 12px}
.channel-hero p{color:var(--muted);max-width:650px;font-size:16px;margin-bottom:0}
.hero-note{background:var(--night);color:#fff;border-radius:16px;padding:20px 22px}
.hero-note strong{display:block;color:var(--lime);font-size:26px;line-height:1.2;margin-bottom:4px}
.hero-note span{font-size:13px;color:#c6c6cb}
.filter-wrap{padding:22px 0}
.filter-bar{display:flex;align-items:center;gap:10px;overflow:auto;white-space:nowrap}
.filter{padding:8px 15px;border-radius:99px;border:1px solid var(--line);background:#fff;color:var(--muted);transition:.2s}
.filter:hover,.filter.active{background:var(--purple);border-color:var(--purple);color:#fff}
.feature-zone{padding:42px 0 76px}
.feature-layout{display:grid;grid-template-columns:1.55fr .85fr;gap:20px}
.feature-main{position:relative;min-height:455px;border-radius:22px;overflow:hidden;background:var(--night);color:#fff}
.feature-main img{height:100%;position:absolute;inset:0}
.feature-main:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(20,21,27,.92))}
.feature-copy{position:absolute;z-index:1;left:32px;right:32px;bottom:27px}
.feature-copy h2{font-size:31px;max-width:650px;margin:10px 0}
.feature-copy p{color:#d2d2d7;max-width:630px;margin-bottom:15px}
.side-list{background:#fff;border:1px solid var(--line);border-radius:22px;padding:10px 23px}
.side-list h3{font-size:20px;margin:13px 0}
.side-item{padding:17px 0;border-top:1px solid var(--line)}
.side-item:first-of-type{border-top:0}
.side-item b{display:block;font-size:16px;line-height:1.5}
.side-item span{color:var(--muted);font-size:12px}
.data-strip{background:var(--night);color:#fff;padding:42px 0}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#454650;border:1px solid #454650}
.data-cell{background:var(--night);padding:22px 25px}
.data-cell strong{display:block;color:var(--lime);font-size:32px;line-height:1.2}
.data-cell span{color:#c5c5ca;font-size:13px}
.timeline-section{padding:78px 0}
.timeline{border-left:2px solid var(--purple);margin:15px 0 0 13px;padding-left:30px}
.timeline-item{position:relative;padding:0 0 28px;display:grid;grid-template-columns:150px 1fr;gap:25px}
.timeline-item:before{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--lime);border:3px solid var(--paper);left:-37px;top:8px}
.timeline-item time{color:var(--purple-dark);font-weight:800}
.timeline-item h3{margin:0 0 5px;font-size:19px}
.timeline-item p{color:var(--muted);margin:0;max-width:700px}
.insight{padding:78px 0;background:#fff}
.insight-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.insight img{height:370px;border-radius:20px}
.insight-copy p{color:var(--muted);line-height:2}
.insight-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.point{padding:15px 17px;background:var(--paper);border-radius:13px;border-left:3px solid var(--lime)}
.point b{display:block;margin-bottom:3px}
.point span{font-size:13px;color:var(--muted)}
.news-section{padding:78px 0}
.news-board{background:#fff;border-radius:20px;padding:5px 28px;border:1px solid var(--line)}
.news-row{display:grid;grid-template-columns:92px 1fr 100px;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);transition:.2s}
.news-row:last-child{border-bottom:0}
.news-row:hover{transform:translateX(5px)}
.news-row time{font-size:13px;color:var(--purple-dark);font-weight:700}
.news-row h3{font-size:17px;margin:0 0 3px}
.news-row p{color:var(--muted);font-size:13px;margin:0;line-height:1.7}
.news-row .btn-text{text-align:right;font-size:13px}
.compare-section{padding:78px 0;background:#ebeae5}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.compare-col{padding:30px;background:#f8f7f3;border-radius:17px}
.compare-col.good{background:var(--night);color:#fff}
.compare-col h3{font-size:22px;margin-bottom:18px}
.compare-col.good h3{color:var(--lime)}
.compare-item{padding:15px 0;border-top:1px solid rgba(120,120,120,.25);display:flex;justify-content:space-between;gap:20px}
.compare-item span{color:var(--muted);font-size:14px}
.good .compare-item span{color:#bcbcc4}
.compare-item b{font-size:14px;text-align:right}
.archive-section{padding:78px 0}
.archive-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.archive-card{background:#fff;border:1px solid var(--line);border-radius:17px;overflow:hidden;transition:.2s}
.archive-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.archive-card img{height:160px}
.archive-body{padding:20px}
.archive-body h3{font-size:19px;margin:7px 0}
.archive-body p{font-size:14px;color:var(--muted);margin-bottom:12px}
.faq-section{padding:78px 0;background:#fff}
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
.faq-layout>div>p{color:var(--muted)}
.faq details{border-top:1px solid var(--line);padding:19px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:15px}
.faq summary:after{content:"＋";color:var(--purple);font-size:20px}
.faq details[open] summary:after{content:"－"}
.faq details p{color:var(--muted);margin:12px 25px 0 0;font-size:14px}
.cta-section{padding:78px 0}
.cta-box{background:var(--purple);color:#fff;border-radius:22px;padding:38px 45px;display:flex;justify-content:space-between;align-items:center;gap:35px}
.cta-box h2{margin-bottom:8px}
.cta-box p{color:#e4e0ff;margin:0;max-width:620px}
footer{background:var(--night);color:#fff;padding:55px 0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:60px;padding-bottom:40px}
.footer-brand p{color:#b9b9c0;max-width:340px;font-size:14px}
footer h3{font-size:15px;color:var(--lime);margin:3px 0 13px}
footer .footer-grid>div:not(:first-child) a{display:block;color:#c4c4ca;font-size:14px;margin:5px 0}
footer a:hover{color:var(--lime)!important}
.copyright{border-top:1px solid #41424a;padding-top:18px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:#a9a9b1;font-size:12px}
.copyright a{color:#d0d0d4}
.empty-state{display:none;text-align:center;color:var(--muted);padding:45px;background:#fff;border-radius:18px}
@media(max-width:1100px){
 .channels{overflow:auto}.nav{gap:14px}.nav-search{display:none}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 36px))}
 .nav{height:68px}.channels{display:none}.menu-btn{display:block;margin-left:auto}
 .channel-hero-inner,.feature-layout,.insight-grid,.faq-layout{grid-template-columns:1fr}
 .channel-hero{padding:25px 0}.channel-hero h1{font-size:42px}
 .hero-note{max-width:350px}
 .feature-main{min-height:390px}.feature-copy{left:22px;right:22px}.feature-copy h2{font-size:25px}
 .data-grid{grid-template-columns:1fr 1fr}
 .data-cell{padding:17px}.data-cell strong{font-size:25px}
 .timeline-item{grid-template-columns:1fr;gap:2px}
 .insight img{height:280px}.insight-points,.archive-grid{grid-template-columns:1fr 1fr}
 .news-row{grid-template-columns:75px 1fr}.news-row .btn-text{display:none}
 .compare-grid{grid-template-columns:1fr}.cta-box{display:block;padding:30px 25px}.cta-box .btn{margin-top:20px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
 h2{font-size:28px}.section-head{display:block}.section-head p{margin-top:10px}
 .channel-hero h1{font-size:35px}.filter-wrap{padding:16px 0}
 .feature-main{min-height:420px}.feature-copy p{font-size:14px}
 .data-grid{grid-template-columns:1fr 1fr}.data-cell strong{font-size:22px}
 .insight-points,.archive-grid{grid-template-columns:1fr}
 .news-board{padding:5px 17px}.news-row{grid-template-columns:1fr;gap:2px}
 .news-row h3{font-size:16px}.footer-grid{grid-template-columns:1fr}
 .copyright{display:block}.copyright span{display:block;margin-bottom:7px}
}

/* roulang page: category3 */
:root{
      --ink:#17181d;--paper:#f4f3ef;--card:#fff;--night:#202127;--night2:#292b33;
      --purple:#7357ed;--purple-dark:#5b42d1;--lime:#d6f45b;--cyan:#9ce9df;
      --muted:#73747e;--line:#deddd8;--white:#fafafa;--radius:20px;
      --shadow:0 15px 40px rgba(24,25,31,.09);--container:1220px
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 44px));margin:auto}
    header{position:sticky;top:0;z-index:20;background:rgba(244,243,239,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
    .nav{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;letter-spacing:-1px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--purple);color:var(--lime);display:grid;place-items:center;font-weight:900;font-size:18px;transform:rotate(-8deg)}
    .channels{display:flex;align-items:center;gap:2px;flex:1}
    .channels a{padding:9px 12px;color:#5c5d65;font-size:14px;position:relative;white-space:nowrap;border-radius:8px;transition:.2s}
    .channels a:hover,.channels a.active{color:var(--purple-dark);background:#ebe9f7}
    .channels a.active:after{content:"";position:absolute;height:3px;width:22px;background:var(--purple);left:12px;bottom:2px;border-radius:5px}
    .nav-search{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;padding:3px 5px 3px 12px;background:#fff}
    .nav-search input{width:105px;border:0;outline:0;background:transparent;font-size:13px}
    .search-btn{background:var(--night);color:#fff;padding:7px 10px;border-radius:7px;transition:.2s}
    .search-btn:hover{background:var(--purple-dark)}
    .menu-btn{display:none;background:var(--night);color:#fff;padding:8px 12px;border-radius:8px}
    .page-hero{padding:58px 0 36px;background:var(--night);color:var(--white);position:relative;overflow:hidden}
    .page-hero:before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover;opacity:.24}
    .hero-inner{position:relative;display:grid;grid-template-columns:1fr 410px;gap:34px;align-items:end}
    .eyebrow,.tag,.badge{display:inline-flex;align-items:center;gap:7px;border-radius:99px;padding:3px 10px;font-size:12px;font-weight:700}
    .eyebrow{background:#353741;color:var(--lime);margin-bottom:18px}
    h1{font-size:clamp(34px,5vw,58px);line-height:1.15;letter-spacing:0;margin-bottom:22px;max-width:800px}
    h2{font-size:clamp(25px,3vw,38px);line-height:1.25;letter-spacing:0}
    h3{line-height:1.45}
    p{word-break:break-word}
    .hero-lead{color:#dedee4;font-size:17px;line-height:1.9;max-width:720px;margin-bottom:24px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:10px;font-weight:700;transition:.2s;border:1px solid transparent;min-height:44px}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(115,87,237,.25);outline-offset:2px}
    .btn:active{transform:translateY(0)}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#e2ff71}
    .btn-secondary{border-color:#53555f;color:#fff;background:transparent}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime)}
    .btn-text{padding-left:0;color:var(--purple-dark);background:transparent}
    .btn-text:hover{color:var(--purple);transform:none}
    .demo-panel{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:24px;padding:20px;backdrop-filter:blur(10px)}
    .demo-panel img{height:190px;border-radius:16px;margin-bottom:16px}
    .demo-row{display:flex;justify-content:space-between;gap:14px;border-top:1px solid rgba(255,255,255,.13);padding:13px 0;color:#cdced6}
    .demo-row b{color:var(--lime)}
    section{padding:76px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
    .section-head p{max-width:540px;color:var(--muted);line-height:1.8}
    .dark-section{background:var(--night);color:#fff}
    .dark-section .section-head p,.dark-section p{color:#c8c8ce}
    .metric-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:#b4ce3d;border:1px solid #b4ce3d;border-radius:20px;overflow:hidden}
    .metric{background:#fff;padding:24px;min-height:150px}
    .metric strong{display:block;font-size:34px;line-height:1.1;color:var(--purple-dark);margin-bottom:10px}
    .metric span{display:block;font-weight:800;margin-bottom:8px}
    .metric small{color:var(--muted);line-height:1.6}
    .filter-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px}
    .filter-chip{padding:8px 13px;border-radius:99px;background:#f0efeb;border:1px solid transparent;color:#565762;font-weight:700;transition:.2s}
    .filter-chip:hover,.filter-chip.active{background:#eeedf9;color:var(--purple-dark);border-color:#d8d2fa}
    .filter-tools{margin-left:auto;display:flex;gap:10px}
    select{border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;color:var(--ink)}
    .matrix-grid{display:grid;grid-template-columns:1.25fr .8fr .8fr;grid-template-rows:1fr 1fr;gap:16px}
    .feature-card,.small-card,.article-card,.timeline-card,.faq-item,.related-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.25s}
    .feature-card:hover,.small-card:hover,.article-card:hover,.timeline-card:hover,.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .feature-card{grid-row:span 2;display:flex;flex-direction:column}
    .feature-card img{height:270px}
    .small-card{padding:23px;display:flex;flex-direction:column;justify-content:space-between;min-height:238px}
    .small-card img{height:105px;border-radius:13px;margin-bottom:15px}
    .feature-body{padding:25px}
    .feature-body h3,.small-card h3{font-size:22px;margin:9px 0}
    .small-card h3{font-size:18px}
    .feature-body p,.small-card p{color:var(--muted);font-size:14px}
    .tag{background:#eeedf9;color:var(--purple-dark);margin-bottom:7px}
    .tag.dark{background:#353741;color:var(--lime)}
    .split-grid{display:grid;grid-template-columns:7fr 5fr;gap:42px;align-items:center}
    .split-grid img{height:420px;border-radius:22px}
    .prose{font-size:16px;line-height:1.95;color:#3d3e45}
    .prose p+p{margin-top:16px}
    .note-list{display:grid;gap:12px;margin-top:22px}
    .note-list li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;color:#4f5058}
    .compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px;border-radius:22px;overflow:hidden}
    .compare-col{padding:31px;background:#f5f4f0;border:1px solid var(--line)}
    .compare-col.good{background:var(--night);color:#fff;border-color:var(--night)}
    .compare-col h3{font-size:22px;margin-bottom:18px}
    .compare-col.good h3{color:var(--lime)}
    .compare-item{padding:15px 0;border-top:1px solid rgba(120,120,120,.25);display:flex;justify-content:space-between;gap:20px}
    .compare-item span{color:var(--muted);font-size:14px}
    .good .compare-item span{color:#bcbcc4}
    .compare-item b{font-size:14px;text-align:right}
    .rank-board{display:grid;grid-template-columns:430px 1fr;gap:26px;align-items:stretch}
    .rank-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px}
    .rank-card img{height:210px;border-radius:16px;margin-bottom:18px}
    .rank-list{background:var(--night);border-radius:22px;padding:24px;color:#fff}
    .rank-list h3{font-size:24px;margin-bottom:16px}
    .rank-row{display:grid;grid-template-columns:42px 1fr 88px;gap:14px;align-items:center;padding:15px 0;border-top:1px solid #454650}
    .rank-row em{font-style:normal;width:30px;height:30px;border-radius:10px;background:#353741;color:var(--lime);display:grid;place-items:center;font-weight:900}
    .rank-row span{color:#c7c7cf;font-size:13px}
    .rank-row b{text-align:right;color:var(--lime)}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .timeline-card{padding:22px;position:relative}
    .timeline-card:before{content:"";display:block;width:34px;height:4px;border-radius:4px;background:var(--purple);margin-bottom:16px}
    .timeline-card time{color:var(--muted);font-size:13px;font-weight:800}
    .timeline-card h3{font-size:18px;margin:8px 0}
    .timeline-card p{color:var(--muted);font-size:14px}
    .image-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-auto-rows:210px;gap:16px}
    .image-tile{position:relative;border-radius:20px;overflow:hidden;background:#ddd}
    .image-tile:first-child{grid-row:span 2}
    .image-tile img{height:100%}
    .image-tile:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 20%,rgba(0,0,0,.72))}
    .tile-caption{position:absolute;left:18px;right:18px;bottom:16px;color:#fff;z-index:1}
    .tile-caption b{display:block;font-size:19px;margin-bottom:4px}
    .tile-caption span{color:#d7d7dd;font-size:13px}
    .content-list{background:#fff;border-radius:var(--radius);padding:5px 25px;border:1px solid var(--line)}
    .article-row{display:grid;grid-template-columns:110px 1fr 120px;gap:18px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .article-row:last-child{border-bottom:0}
    .article-row time{font-weight:900;color:var(--purple-dark)}
    .article-row h3{font-size:18px;margin-bottom:4px}
    .article-row p{color:var(--muted);font-size:14px;line-height:1.7}
    .article-row .btn-text{text-align:right;font-size:13px}
    .related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .related-card{padding:22px}
    .related-card h3{font-size:18px;margin:9px 0}
    .related-card p{color:var(--muted);font-size:14px}
    .faq-wrap{display:grid;grid-template-columns:380px 1fr;gap:28px}
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:0}
    .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;background:#fff;padding:18px 20px;text-align:left;font-weight:900;color:var(--ink)}
    .faq-q span:last-child{color:var(--purple-dark);font-size:22px}
    .faq-a{display:none;padding:0 20px 20px;color:var(--muted)}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .subscribe{background:var(--night);color:#fff;border-radius:28px;padding:34px;display:grid;grid-template-columns:1fr 1.05fr;gap:34px;align-items:start}
    .subscribe p{color:#c9c9d0}
    .form-card{background:#fff;border-radius:20px;padding:22px;color:var(--ink)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    label{display:grid;gap:6px;font-weight:800;font-size:13px}
    input,textarea,select{transition:.2s}
    .form-card input,.form-card textarea,.form-card select{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;background:#fbfbf9;color:var(--ink)}
    .form-card input:hover,.form-card textarea:hover,.form-card select:hover{border-color:#c7c3ec}
    .form-card textarea{min-height:96px;resize:vertical}
    .full{grid-column:1/-1}
    .agree{display:flex;align-items:flex-start;gap:9px;color:var(--muted);font-weight:400;line-height:1.6}
    .agree input{width:auto;margin-top:5px}
    .error-msg{display:none;color:#be2941;font-size:13px;margin-top:8px}
    .form-card.error .error-msg{display:block}
    .success-msg{display:none;background:#effbd4;border:1px solid #d0ed75;color:#3d4d08;border-radius:12px;padding:10px 12px;margin-top:12px}
    .form-card.success .success-msg{display:block}
    footer{background:#16171c;color:#fff;padding:48px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:35px;padding-bottom:30px;border-bottom:1px solid #343640}
    .footer-brand p,footer a{color:#c4c4cb}
    footer h3{font-size:16px;margin-bottom:10px;color:#fff}
    footer a{display:block;margin:7px 0;transition:.2s}
    footer a:hover{color:var(--lime)}
    .copyright{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:#a9a9b2;font-size:13px;padding-top:20px}
    .copyright a{display:inline;color:#d7d7de}
    .empty-state{border:1px dashed #bbb7ad;border-radius:16px;padding:18px;color:var(--muted);background:#fff}
    @media (max-width:1100px){
      .nav{gap:14px}
      .channels{position:absolute;left:0;right:0;top:76px;background:rgba(244,243,239,.98);border-bottom:1px solid var(--line);padding:12px 22px;overflow:auto;display:none}
      .channels.open{display:flex}
      .menu-btn{display:block;margin-left:auto}
      .nav-search{display:none}
      .hero-inner,.rank-board,.faq-wrap,.subscribe{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:repeat(3,1fr)}
      .matrix-grid{grid-template-columns:1fr 1fr}
      .feature-card{grid-column:1/-1}
      .related-grid,.timeline{grid-template-columns:repeat(2,1fr)}
      .image-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 36px,var(--container))}
      section{padding:56px 0}
      .nav{height:68px}
      .channels{top:68px}
      .brand{font-size:19px}
      .page-hero{padding:44px 0 30px}
      .demo-panel img{height:170px}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .metric-grid,.matrix-grid,.split-grid,.compare-wrap,.related-grid,.timeline,.footer-grid{grid-template-columns:1fr}
      .image-grid{grid-template-columns:1fr;grid-auto-rows:230px}
      .image-tile:first-child{grid-row:auto}
      .article-row{grid-template-columns:1fr;gap:7px}
      .article-row .btn-text{text-align:left}
      .form-grid{grid-template-columns:1fr}
      .filter-tools{width:100%;margin-left:0}
      .filter-tools select{width:100%}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      body{font-size:14px}
      .hero-actions,.filter-bar{align-items:stretch}
      .btn,.filter-chip{width:100%}
      .metric{padding:20px}
      .metric strong{font-size:30px}
      .subscribe{padding:22px;border-radius:20px}
      .rank-row{grid-template-columns:34px 1fr;gap:10px}
      .rank-row b{grid-column:2;text-align:left}
    }

/* roulang page: category4 */
:root{
 --ink:#17181d;--paper:#f4f3ef;--card:#fff;--night:#202127;--night2:#292b33;
 --purple:#7357ed;--purple-dark:#5b42d1;--lime:#d6f45b;--cyan:#9ce9df;
 --muted:#73747e;--line:#deddd8;--white:#fafafa;--radius:20px;
 --shadow:0 15px 40px rgba(24,25,31,.09);--container:1220px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.85;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 44px));margin:auto}
header{position:sticky;top:0;z-index:30;background:rgba(244,243,239,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{height:76px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;letter-spacing:-1px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--purple);color:var(--lime);display:grid;place-items:center;font-weight:900;font-size:18px;transform:rotate(-8deg)}
.channels{display:flex;align-items:center;gap:1px;min-width:0}
.channels a{padding:9px 10px;color:#5c5d65;font-size:14px;position:relative;white-space:nowrap}
.channels a:hover,.channels a.active{color:var(--purple-dark)}
.channels a.active:after{content:"";position:absolute;height:3px;width:22px;background:var(--purple);left:10px;bottom:2px;border-radius:5px}
.nav-search{margin-left:auto;display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;padding:3px 5px 3px 12px;background:#fff}
.nav-search input{width:108px;border:0;outline:0;background:transparent;font-size:13px}
.search-btn{background:var(--night);color:#fff;padding:7px 10px;border-radius:7px;transition:.2s}
.search-btn:hover{background:var(--purple)}
.menu-btn{display:none;background:var(--night);color:#fff;padding:8px 12px;border-radius:8px}
section{padding:76px 0}
.eyebrow,.tag,.status{display:inline-flex;align-items:center;gap:7px;border-radius:99px;padding:4px 10px;font-size:12px;font-weight:700}
.eyebrow{background:rgba(214,244,91,.14);color:var(--lime)}
.tag{background:#eeedf9;color:var(--purple-dark)}
.tag.dark{background:#353741;color:var(--lime)}
.status{background:#eaf8d0;color:#526a12}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:28px}
.section-head h2{font-size:31px;line-height:1.3;margin:8px 0 0;letter-spacing:-1px}
.section-head p{max-width:500px;color:var(--muted);margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:.2s}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:focus,input:focus,select:focus,textarea:focus,button:focus{outline:3px solid rgba(115,87,237,.28);outline-offset:2px}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:#e4ff78}
.btn-secondary{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-secondary:hover{border-color:var(--purple);color:var(--purple-dark)}
.btn-text{padding:0;color:var(--purple-dark);background:transparent}
.page-hero{background:var(--night);color:var(--white);padding:46px 0 52px;overflow:hidden}
.breadcrumb{font-size:13px;color:#aaaab4;margin-bottom:24px}
.breadcrumb a:hover{color:var(--lime)}
.hero-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:38px;align-items:stretch}
.hero-copy{padding:18px 0}
h1{font-size:48px;line-height:1.19;letter-spacing:-2px;margin:16px 0}
.hero-copy p{font-size:17px;color:#c7c7cf;max-width:630px;margin:0 0 22px}
.hero-meta{display:flex;flex-wrap:wrap;gap:18px;color:#aeb0b7;font-size:13px;margin-top:26px}
.hero-meta b{color:var(--lime)}
.hero-image{min-height:300px;border-radius:22px;overflow:hidden;position:relative;background:url('/assets/images/backpic/back-2.webp') center/cover}
.hero-image:after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(25,26,31,.08),rgba(25,26,31,.63))}
.hero-float{position:absolute;z-index:1;right:18px;bottom:18px;width:210px;padding:16px;background:rgba(32,33,39,.9);border:1px solid rgba(255,255,255,.15);border-radius:15px}
.hero-float strong{display:block;color:var(--lime);font-size:24px;line-height:1.2}
.hero-float span{color:#d1d1d5;font-size:12px}
.filter-bar{background:#fff;border-bottom:1px solid var(--line);padding:18px 0}
.filter-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.filter-group{display:flex;flex-wrap:wrap;gap:8px}
.filter-btn{background:#f2f1ed;color:#5d5e65;padding:8px 13px;border-radius:9px;font-size:13px;transition:.2s}
.filter-btn:hover,.filter-btn.active{color:#fff;background:var(--purple)}
.sort{border:1px solid var(--line);border-radius:9px;padding:8px 11px;background:#fff;color:var(--ink);font-size:13px}
.signal{background:#eaf0e6;padding:44px 0}
.signal-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:1px;background:#b8c7a2;border:1px solid #b8c7a2}
.signal-item{background:#f8fbf3;padding:22px}
.signal-item b{font-size:28px;line-height:1.1;display:block}
.signal-item span{font-size:13px;color:var(--muted)}
.signal-item:first-child{background:var(--lime)}
.signal-item:first-child b{font-size:18px;margin-bottom:5px}
.featured{display:grid;grid-template-columns:7fr 5fr;gap:30px;align-items:stretch}
.feature-main{border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line)}
.feature-main img{height:290px}
.feature-body{padding:26px}
.feature-body h2{font-size:29px;line-height:1.35;margin:10px 0}
.feature-body p{color:var(--muted);margin:0 0 17px}
.side-notes{display:flex;flex-direction:column;gap:12px}
.note{background:#fff;border:1px solid var(--line);border-radius:16px;padding:19px;transition:.2s}
.note:hover{transform:translateX(4px);box-shadow:var(--shadow)}
.note time,.content-meta{display:block;color:var(--muted);font-size:12px;margin-bottom:6px}
.note h3{font-size:17px;line-height:1.45;margin:0 0 7px}
.note p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
.dark-section{background:var(--night);color:#fff}
.dark-section .section-head p{color:#bcbcc5}
.timeline{max-width:980px;margin:0 auto;position:relative}
.timeline:before{content:"";position:absolute;left:115px;top:7px;bottom:7px;width:1px;background:#555761}
.timeline-item{display:grid;grid-template-columns:92px 1fr;gap:40px;position:relative;padding:0 0 28px}
.timeline-item:last-child{padding-bottom:0}
.timeline-date{color:var(--lime);font-weight:800;font-size:14px;padding-top:10px}
.timeline-card{position:relative;background:var(--night2);border:1px solid #44464f;padding:21px;border-radius:16px}
.timeline-card:before{content:"";position:absolute;width:10px;height:10px;background:var(--lime);border-radius:50%;left:-45px;top:17px}
.timeline-card h3{font-size:18px;margin:0 0 8px}
.timeline-card p{margin:0;color:#c2c2ca;font-size:14px}
.timeline-card .tag{margin-top:12px;background:#3b3d47;color:var(--cyan)}
.reading-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px}
.long-read{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px}
.long-read h2{font-size:29px;line-height:1.4;margin:8px 0 17px}
.long-read h3{font-size:19px;margin:25px 0 7px}
.long-read p{color:#4e4f57;margin:0 0 14px}
.pullquote{border-left:4px solid var(--purple);padding:11px 0 11px 17px;color:var(--purple-dark);font-weight:700;margin:21px 0}
.check-list{display:grid;gap:13px}
.check-item{padding:18px;background:#fff;border:1px solid var(--line);border-radius:15px}
.check-item strong{display:block;margin-bottom:5px}
.check-item p{margin:0;color:var(--muted);font-size:13px}
.cover-stack{background:var(--night);border-radius:var(--radius);padding:20px;color:#fff}
.cover-stack img{height:190px;border-radius:14px;margin-bottom:18px}
.cover-stack h3{font-size:22px;line-height:1.4;margin:8px 0}
.cover-stack p{color:#c7c7cf;font-size:14px}
.content-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.content-card{display:grid;grid-template-columns:135px 1fr;gap:17px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;transition:.25s}
.content-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.content-card img{height:128px;border-radius:11px}
.content-card h3{font-size:17px;line-height:1.45;margin:6px 0}
.content-card p{font-size:13px;line-height:1.65;color:var(--muted);margin:0 0 6px}
.related{background:#e9e8e2}
.related-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
.related-main{min-height:260px;border-radius:20px;overflow:hidden;position:relative;background:url('/assets/images/coverpic/cover-8.webp') center/cover}
.related-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(23,24,29,.88),rgba(23,24,29,.06))}
.related-main div{position:absolute;z-index:1;bottom:25px;left:25px;right:25px;color:#fff}
.related-main h3{font-size:26px;line-height:1.35;margin:10px 0}
.related-main p{color:#e0e0e3;margin:0}
.related-links{display:grid;gap:12px}
.related-link{background:#fff;padding:18px;border:1px solid var(--line);border-radius:15px;transition:.2s}
.related-link:hover{border-color:var(--purple);transform:translateX(3px)}
.related-link b{display:block;font-size:16px;line-height:1.4;margin:6px 0}
.related-link span{font-size:12px;color:var(--muted)}
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px}
.faq-layout h2{font-size:34px;line-height:1.3;margin:8px 0 12px}
.faq-layout p{color:var(--muted)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;padding:20px 35px 20px 0;background:transparent;text-align:left;font-weight:800;font-size:16px;position:relative}
.faq-question:after{content:"+";position:absolute;right:6px;font-size:24px;color:var(--purple);font-weight:400}
.faq-item.open .faq-question:after{content:"−"}
.faq-answer{display:none;padding:0 18px 19px 0;color:var(--muted);font-size:14px}
.faq-item.open .faq-answer{display:block}
.load-row{text-align:center;padding-top:29px}
.empty-state{display:none;text-align:center;padding:28px;border:1px dashed var(--line);border-radius:14px;color:var(--muted)}
footer{background:#17181d;color:#e8e8eb;padding:55px 0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px}
.footer-brand p{max-width:370px;color:#a9aab3;font-size:14px;margin-top:15px}
footer .brand{color:#fff}
footer h3{font-size:14px;color:var(--lime);margin:0 0 14px}
footer a:not(.brand){display:block;color:#bcbcc4;font-size:14px;padding:3px 0}
footer a:hover{color:var(--lime)}
.copyright{margin-top:42px;padding-top:18px;border-top:1px solid #3a3b42;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#9798a1;font-size:12px}
.copyright a{display:inline!important;color:#d9d9dd!important}
.copyright a:hover{color:var(--lime)!important}
@media(max-width:1120px){
 .nav{gap:12px}.channels{overflow:auto}.channels::-webkit-scrollbar{display:none}.channels a{padding:9px 8px}
 .nav-search{display:none}.hero-layout,.featured,.reading-grid,.faq-layout{grid-template-columns:1fr}.hero-image{min-height:270px}
 .signal-grid{grid-template-columns:repeat(2,1fr)}.signal-item:first-child{grid-column:span 2}
}
@media(max-width:768px){
 body{font-size:14px}.container{width:min(100% - 36px,var(--container))}.nav{height:68px;gap:14px}.brand{font-size:19px}
 .channels{display:none}.menu-btn{display:block;margin-left:auto}.nav-search{display:flex;margin-left:0}.nav-search input{width:100px}
 section{padding:57px 0}.page-hero{padding:30px 0 36px}h1{font-size:36px}.hero-copy p{font-size:15px}
 .section-head{display:block}.section-head h2{font-size:27px}.section-head p{margin-top:11px}
 .filter-inner{align-items:flex-start;flex-direction:column}.filter-group{flex-wrap:nowrap;overflow:auto;width:100%;padding-bottom:2px}.filter-btn{white-space:nowrap}
 .featured,.reading-grid{gap:20px}.feature-main img{height:225px}.content-list{grid-template-columns:1fr}.content-card{grid-template-columns:110px 1fr}.content-card img{height:112px}
 .related-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:span 2}
}
@media(max-width:520px){
 .nav-search{display:none}.hero-meta{gap:10px}.hero-image{min-height:220px}.hero-float{width:175px;padding:12px}
 .signal-grid{grid-template-columns:1fr 1fr}.signal-item{padding:17px}.signal-item b{font-size:23px}
 .timeline:before{left:10px}.timeline-item{grid-template-columns:1fr;gap:7px;padding-left:30px}.timeline-date{padding:0}.timeline-card:before{left:-25px;top:-19px}
 .long-read{padding:23px}.long-read h2{font-size:24px}.content-card{grid-template-columns:1fr}.content-card img{height:180px}
 .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin:7px 0}
}

/* roulang page: category5 */
:root{--ink:#17181d;--paper:#f4f3ef;--card:#fff;--night:#202127;--night2:#292b33;--purple:#7357ed;--purple-dark:#5b42d1;--lime:#d6f45b;--cyan:#9ce9df;--muted:#73747e;--line:#deddd8;--white:#fafafa;--radius:20px;--shadow:0 15px 40px rgba(24,25,31,.09);--container:1220px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:15px;line-height:1.8}a{color:inherit;text-decoration:none}img{display:block;width:100%;object-fit:cover}button,input,select{font:inherit}button{cursor:pointer;border:0}.container{width:min(var(--container),calc(100% - 44px));margin:auto}
    header{position:sticky;top:0;z-index:20;background:rgba(244,243,239,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{height:76px;display:flex;align-items:center;gap:25px}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-1px;white-space:nowrap}.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--purple);color:var(--lime);display:grid;place-items:center;font-weight:900;font-size:18px;transform:rotate(-8deg)}.channels{display:flex;align-items:center;gap:1px;flex:1}.channels a{position:relative;padding:9px 10px;color:#5c5d65;font-size:14px;white-space:nowrap}.channels a:hover,.channels a.active{color:var(--purple-dark)}.channels a.active:after{content:"";position:absolute;left:10px;bottom:2px;width:22px;height:3px;border-radius:5px;background:var(--purple)}.nav-search{display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:3px 5px 3px 12px}.nav-search input{width:105px;border:0;outline:0;background:transparent;font-size:13px}.search-btn{padding:7px 10px;border-radius:7px;background:var(--night);color:#fff}.menu-btn{display:none;padding:8px 12px;border-radius:8px;background:var(--night);color:#fff}
    .page-banner{background:var(--night);color:#fff;padding:64px 0 58px;position:relative;overflow:hidden}.page-banner:after{content:"";position:absolute;right:-8%;top:-80%;width:55%;height:260%;background:url('/assets/images/backpic/back-2.webp') center/cover;opacity:.24;transform:rotate(8deg)}.banner-inner{position:relative;z-index:1;max-width:760px}.eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;border-radius:99px;padding:3px 10px;font-size:12px;font-weight:700}.eyebrow{background:#353741;color:var(--lime);margin-bottom:14px}.page-banner h1{font-size:clamp(34px,5vw,62px);line-height:1.16;letter-spacing:-2px;margin:0 0 16px}.page-banner p{color:#c8c8ce;font-size:17px;max-width:690px;margin:0}.banner-meta{display:flex;gap:22px;margin-top:27px;color:#aaa;font-size:13px}.banner-meta b{color:var(--lime);font-size:20px;margin-right:5px}
    section{padding:70px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}.section-head h2{font-size:30px;line-height:1.3;margin:0;letter-spacing:-1px}.section-head p{max-width:520px;color:var(--muted);margin:0}.filter-bar{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:26px}.filter{padding:8px 15px;border:1px solid var(--line);border-radius:9px;background:#fff;color:#666773;transition:.2s}.filter:hover,.filter.active{background:var(--purple);color:#fff;border-color:var(--purple);transform:translateY(-2px)}
    .headline-grid{display:grid;grid-template-columns:1.5fr .8fr;gap:20px}.headline{background:var(--night);color:#fff;border-radius:var(--radius);overflow:hidden;display:grid;grid-template-columns:1fr 1fr;min-height:350px}.headline img{height:100%;min-height:350px}.headline-body{padding:31px;display:flex;flex-direction:column;justify-content:center}.tag{background:#eeedf9;color:var(--purple-dark);margin-bottom:8px}.tag.dark{background:#353741;color:var(--lime)}.headline h3{font-size:26px;line-height:1.45;margin:8px 0 12px}.headline p{color:#c4c4cb;margin:0 0 20px;font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 17px;border-radius:10px;font-weight:700;transition:.2s;border:1px solid transparent}.btn:hover{transform:translateY(-2px)}.btn:focus,.filter:focus,input:focus,select:focus{outline:3px solid rgba(115,87,237,.24);outline-offset:2px}.btn-primary{background:var(--lime);color:var(--ink)}.btn-primary:hover{background:#e2ff71}.btn-secondary{border-color:#575861;background:transparent;color:#fff}.btn-secondary:hover{border-color:var(--lime);color:var(--lime)}.btn-text{padding-left:0;color:var(--purple-dark);background:transparent}.side-news{background:#fff;border-radius:var(--radius);padding:25px}.side-news h3{font-size:21px;margin:0 0 14px}.side-news img{height:125px;border-radius:13px;margin-bottom:14px}.side-news p{font-size:14px;color:var(--muted);margin:0 0 14px}.mini-item{padding:12px 0;border-top:1px solid var(--line);font-size:14px}.mini-item span{display:block;color:var(--purple);font-size:12px}
    .news-layout{display:grid;grid-template-columns:1fr 310px;gap:30px}.news-list{background:#fff;border-radius:var(--radius);padding:4px 27px}.news-row{display:grid;grid-template-columns:86px 1fr 92px;gap:18px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line);transition:.2s}.news-row:last-child{border-bottom:0}.news-row:hover{transform:translateX(5px)}.news-date{font-size:13px;color:var(--muted)}.news-date b{display:block;color:var(--purple);font-size:22px;line-height:1.2}.news-row h3{font-size:17px;line-height:1.5;margin:0 0 4px}.news-row p{color:var(--muted);font-size:13px;line-height:1.7;margin:0}.news-row .btn-text{font-size:13px;text-align:right}
    .topic-section{background:var(--night);color:#fff}.topic-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}.topic-section h2{font-size:32px;line-height:1.35;margin:0 0 17px}.topic-section p{color:#c5c5cc;margin:0 0 18px}.topic-img{height:365px;border-radius:22px;overflow:hidden;position:relative}.topic-img img{height:100%}.topic-img span{position:absolute;left:20px;bottom:18px;background:rgba(23,24,29,.82);color:var(--lime);padding:6px 12px;border-radius:8px;font-size:13px}
    .timeline{position:relative;border-left:2px solid #cbc9c2;margin:15px 0 0 12px;padding-left:30px}.timeline-item{position:relative;padding:0 0 28px}.timeline-item:before{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--purple);left:-37px;top:9px;box-shadow:0 0 0 5px var(--paper)}.timeline-item time{font-size:13px;color:var(--purple);font-weight:800}.timeline-item h3{margin:4px 0;font-size:18px}.timeline-item p{margin:0;color:var(--muted);max-width:700px}
    .insight{display:grid;grid-template-columns:5fr 7fr;gap:38px;align-items:stretch}.insight-copy{background:#e9e7df;border-radius:var(--radius);padding:34px}.insight-copy h2{font-size:29px;line-height:1.4;margin:0 0 16px}.insight-copy p{color:#66666e}.insight-list{background:#fff;border-radius:var(--radius);padding:10px 27px}.insight-list article{padding:19px 0;border-bottom:1px solid var(--line)}.insight-list article:last-child{border-bottom:0}.insight-list h3{font-size:17px;margin:0 0 5px}.insight-list p{font-size:14px;color:var(--muted);margin:0}
    .data-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#c1d94d;border:1px solid #c1d94d}.data-cell{background:#fff;padding:24px}.data-cell b{font-size:31px;line-height:1;color:var(--purple);display:block}.data-cell span{display:block;color:var(--muted);margin-top:7px}.data-cell small{color:#85868e}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px}.faq-intro h2{font-size:30px;line-height:1.4;margin:0 0 12px}.faq-intro p{color:var(--muted)}details{background:#fff;border-bottom:1px solid var(--line);padding:19px 20px}details:first-child{border-radius:15px 15px 0 0}details:last-child{border-radius:0 0 15px 15px;border-bottom:0}summary{cursor:pointer;font-size:16px;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:20px}summary::-webkit-details-marker{display:none}summary:after{content:"＋";color:var(--purple);font-size:20px}details[open] summary:after{content:"－"}details p{color:var(--muted);font-size:14px;margin:12px 25px 0 0}
    .cta{background:var(--purple);color:#fff;border-radius:24px;padding:40px 45px;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:29px;margin:0 0 8px}.cta p{color:#e1ddff;margin:0}.subscribe{display:flex;gap:9px}.subscribe input{min-width:235px;border:0;border-radius:9px;padding:11px 13px;background:#fff;color:var(--ink)}.subscribe button{white-space:nowrap}
    footer{background:var(--night);color:#fff;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:55px}.footer-brand p{color:#bcbcc4;max-width:330px}.footer-grid h3{font-size:15px;color:var(--lime);margin:3px 0 13px}.footer-grid>div:not(.footer-brand) a{display:block;color:#c8c8ce;font-size:14px;margin:5px 0}.footer-grid a:hover{color:var(--lime)}.copyright{border-top:1px solid #444650;margin-top:38px;padding-top:18px;color:#a9a9b1;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    .empty{display:none;background:#fff;border-radius:15px;padding:28px;color:var(--muted);text-align:center}.error{color:#b23b50;font-size:12px;display:none}
    @media(max-width:1100px){.channels a{padding-left:6px;padding-right:6px;font-size:13px}.nav{gap:14px}.nav-search input{width:75px}}
    @media(max-width:850px){.channels{display:none}.menu-btn{display:block;margin-left:auto}.headline-grid,.news-layout,.topic-grid,.insight,.faq-grid{grid-template-columns:1fr}.headline{grid-template-columns:1fr}.headline img{height:240px;min-height:0}.headline-body{padding:25px}.side-news{display:grid;grid-template-columns:1fr 1fr;gap:15px}.side-news h3{grid-column:1/-1}.side-news img{margin:0}.data-strip{grid-template-columns:repeat(2,1fr)}.cta{display:block}.subscribe{margin-top:23px}}
    @media(max-width:560px){.container{width:min(var(--container),calc(100% - 36px))}.nav{height:66px}.brand{font-size:18px}.brand-mark{width:30px;height:30px}.nav-search{display:none}.page-banner{padding:46px 0}.page-banner h1{font-size:38px}.page-banner p{font-size:15px}.banner-meta{gap:12px;flex-wrap:wrap}.section-head{display:block}.section-head p{margin-top:10px}.news-list{padding:4px 16px}.news-row{grid-template-columns:65px 1fr;gap:11px}.news-row .btn-text{grid-column:2;text-align:left}.news-row h3{font-size:15px}.data-cell{padding:18px 14px}.data-cell b{font-size:25px}.topic-img{height:260px}.cta{padding:28px 23px}.cta h2{font-size:25px}.subscribe{display:block}.subscribe input,.subscribe button{width:100%;margin-bottom:9px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-bottom:8px}}

/* roulang page: category6 */
:root{
--ink:#17181d;--paper:#f4f3ef;--card:#fff;--night:#202127;--night2:#292b33;
--purple:#7357ed;--purple-dark:#5b42d1;--lime:#d6f45b;--cyan:#9ce9df;
--muted:#73747e;--line:#deddd8;--white:#fafafa;--radius:20px;
--shadow:0 15px 40px rgba(24,25,31,.09);--container:1220px
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);background:var(--paper);line-height:1.85;font-size:15px}
a{color:inherit;text-decoration:none} img{display:block;width:100%;object-fit:cover}
button,input,select,textarea{font:inherit} button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 44px));margin:auto}
header{position:sticky;top:0;z-index:50;background:rgba(244,243,239,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{height:76px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;letter-spacing:-1px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--purple);color:var(--lime);display:grid;place-items:center;font-weight:900;font-size:18px;transform:rotate(-8deg)}
.channels{display:flex;align-items:center;flex:1;min-width:0}
.channels a{padding:9px 10px;color:#5c5d65;font-size:14px;position:relative;white-space:nowrap}
.channels a:hover,.channels a.active{color:var(--purple-dark)}
.channels a.active:after{content:"";position:absolute;height:3px;width:22px;background:var(--purple);left:10px;bottom:2px;border-radius:5px}
.nav-search{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;padding:3px 5px 3px 12px;background:#fff}
.nav-search input{width:108px;border:0;outline:0;background:transparent;font-size:13px}
.search-btn{background:var(--night);color:#fff;padding:7px 10px;border-radius:7px;transition:.2s}
.search-btn:hover{background:var(--purple)}
.menu-btn{display:none;background:var(--night);color:#fff;padding:8px 12px;border-radius:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:10px;font-weight:700;transition:.2s;border:1px solid transparent}
.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(0)}
.btn:focus,input:focus,select:focus,textarea:focus,button:focus{outline:3px solid rgba(115,87,237,.25);outline-offset:2px}
.btn-primary{background:var(--lime);color:var(--ink)}.btn-primary:hover{background:#e2ff71}
.btn-secondary{border-color:#5d5e67;color:#fff;background:transparent}.btn-secondary:hover{border-color:var(--lime);color:var(--lime)}
.btn-text{padding:0;color:var(--purple-dark);background:transparent}.btn-text:hover{color:var(--ink);transform:translateX(3px)}
.tag,.eyebrow{display:inline-flex;align-items:center;gap:7px;border-radius:99px;padding:3px 10px;font-size:12px;font-weight:700}
.tag{background:#eeedf9;color:var(--purple-dark)}.tag.dark{background:#363741;color:var(--lime)}
section{padding:72px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:28px}
.section-head h2{font-size:30px;line-height:1.35;letter-spacing:-.6px}.section-head p{max-width:530px;color:var(--muted)}
.channel-hero{background:var(--night);color:var(--white);padding:46px 0 52px;position:relative;overflow:hidden}
.channel-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,21,27,.96) 18%,rgba(20,21,27,.68)),url('/assets/images/backpic/back-3.webp') center/cover;opacity:.9}
.hero-inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:end}
.breadcrumb{font-size:13px;color:#aeadb5;margin-bottom:20px}.breadcrumb a:hover{color:var(--lime)}
.channel-hero h1{font-size:46px;line-height:1.2;letter-spacing:-1.6px;max-width:700px}
.channel-hero p{font-size:16px;color:#d0d0d6;max-width:680px;margin:18px 0 24px}
.hero-panel{background:rgba(42,43,51,.91);border:1px solid #494a55;border-radius:18px;padding:22px}
.hero-panel h2{font-size:17px;color:var(--lime);margin-bottom:14px}.hero-panel li{list-style:none;padding:10px 0;border-top:1px solid #464752;color:#d0d0d7;font-size:14px}
.hero-panel li b{display:block;color:#fff;font-size:15px}
.filter-wrap{background:#fff;border-bottom:1px solid var(--line);padding:17px 0}
.filterbar{display:flex;gap:9px;align-items:center;overflow:auto;padding-bottom:2px}
.filter-label{font-weight:800;white-space:nowrap;margin-right:5px}.filter{white-space:nowrap;border:1px solid var(--line);background:#fff;padding:7px 13px;border-radius:99px;color:#5a5b63;transition:.2s}
.filter:hover,.filter.active{border-color:var(--purple);background:#f0efff;color:var(--purple-dark)}
.feature-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:20px}
.lead-story{position:relative;min-height:440px;border-radius:22px;overflow:hidden;color:#fff;background:var(--night)}
.lead-story img{height:100%;position:absolute;inset:0}.lead-story:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(19,20,26,.95),rgba(19,20,26,.06) 70%)}
.lead-copy{position:absolute;z-index:1;bottom:0;padding:32px}.lead-copy h2{font-size:29px;line-height:1.35;margin:12px 0}.lead-copy p{color:#d5d5dc;max-width:600px}
.side-stories{display:grid;gap:20px}.brief-card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.25s}
.brief-card:hover,.article-row:hover,.note-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.brief-card img{height:142px}.brief-card div{padding:17px}.brief-card h3{font-size:17px;line-height:1.5;margin:7px 0}.brief-card p{font-size:13px;color:var(--muted)}
.reading-band{background:#e8e6df}.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#c8c6bf;border:1px solid #c8c6bf}
.path-step{background:#f9f8f4;padding:23px;min-height:185px}.path-step em{font-style:normal;color:var(--purple);font-size:28px;font-weight:900}.path-step h3{font-size:18px;margin:8px 0}.path-step p{font-size:13px;color:var(--muted)}
.split-layout{display:grid;grid-template-columns:7fr 5fr;gap:45px;align-items:start}.long-read h2{font-size:31px;line-height:1.4;margin-bottom:19px}.long-read p{margin:0 0 17px;color:#41424a;font-size:16px}
.quote-note{background:var(--night);border-radius:20px;color:#fff;padding:28px;position:sticky;top:100px}.quote-note h3{color:var(--lime);font-size:21px;margin-bottom:14px}.quote-note p{color:#d0d0d7;font-size:14px}.check-list{margin-top:20px}.check-list li{list-style:none;padding:11px 0;border-top:1px solid #44454f;color:#eee;font-size:14px}.check-list li:before{content:"✓";color:var(--lime);font-weight:900;margin-right:9px}
article-list{display:block}.article-row{display:grid;grid-template-columns:160px 1fr 100px;gap:23px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:17px;padding:13px;margin-bottom:14px;transition:.2s}.article-row img{height:110px;border-radius:11px}.article-row h3{font-size:19px;line-height:1.45;margin:7px 0}.article-row p{font-size:13px;color:var(--muted)}.article-row time{font-size:12px;color:var(--muted)}
.data-section{background:var(--night);color:#fff}.data-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:center}.data-section h2{font-size:31px;line-height:1.4}.data-section .intro{color:#c8c8d0;margin:16px 0 22px}
.signal-list{border-top:1px solid #464751}.signal{display:grid;grid-template-columns:90px 1fr 110px;gap:16px;align-items:center;padding:17px 0;border-bottom:1px solid #464751}.signal b{color:var(--lime)}.signal span{color:#c9c9d0;font-size:14px}.meter{height:7px;background:#44454f;border-radius:99px;overflow:hidden}.meter i{display:block;height:100%;border-radius:99px;background:var(--lime)}
.note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.note-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:24px;transition:.25s}.note-card .tag{margin-bottom:14px}.note-card h3{font-size:19px;line-height:1.45;margin-bottom:10px}.note-card p{font-size:14px;color:var(--muted)}
.pagination{display:flex;justify-content:center;align-items:center;gap:9px;margin-top:29px}.page{width:38px;height:38px;border:1px solid var(--line);border-radius:9px;background:#fff;display:grid;place-items:center;font-weight:700;transition:.2s}.page:hover,.page.active{background:var(--purple);border-color:var(--purple);color:#fff}
.faq-area{background:#eceae4}.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.faq-intro h2{font-size:31px;line-height:1.4}.faq-intro p{color:var(--muted);margin-top:16px}.faq-item{border-top:1px solid #cbc9c2}.faq-q{width:100%;background:transparent;padding:20px 0;text-align:left;font-weight:800;font-size:17px;display:flex;justify-content:space-between;gap:20px;color:var(--ink)}.faq-q span{color:var(--purple);font-size:24px;line-height:1}.faq-a{display:none;color:#55565e;padding:0 28px 21px 0}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}
.subscribe{padding:75px 0;background:var(--purple)}.subscribe-box{display:grid;grid-template-columns:1fr .9fr;gap:45px;align-items:center;color:#fff}.subscribe h2{font-size:34px;line-height:1.35}.subscribe p{color:#e5e1ff;margin:15px 0}.subscribe form{background:#fff;padding:19px;border-radius:18px;color:var(--ink)}.subscribe label{display:block;font-size:13px;font-weight:800;margin-bottom:6px}.subscribe input,.subscribe select{width:100%;border:1px solid var(--line);background:#fafafa;padding:11px 12px;border-radius:9px;margin-bottom:12px;outline:0}.subscribe input:focus,.subscribe select:focus{border-color:var(--purple)}.form-row{display:grid;grid-template-columns:1.3fr .7fr;gap:10px}.form-msg{display:none;font-size:13px;margin-top:9px;color:#28714a}.form-msg.error{color:#b13548}.consent{font-size:12px;color:var(--muted);margin:0 0 11px}
footer{background:#17181d;color:#e9e9ed;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px}.footer-brand p{color:#aeb0b8;max-width:380px;margin-top:14px;font-size:14px}.footer-grid h3{font-size:14px;color:var(--lime);margin-bottom:12px}.footer-grid>div:not(.footer-brand) a{display:block;color:#bfc0c6;font-size:14px;margin:7px 0}.footer-grid a:hover{color:var(--lime)}.copyright{border-top:1px solid #373840;margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#92939c;font-size:12px}.copyright a:hover{color:var(--lime)}
@media(max-width:1080px){.channels{overflow:auto}.channels a{padding:9px 8px}.nav{gap:14px}.nav-search{display:none}.feature-grid,.split-layout,.data-grid,.subscribe-box{grid-template-columns:1fr}.quote-note{position:static}.note-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 36px,var(--container))}.nav{height:66px}.channels{display:none}.menu-btn{display:block;margin-left:auto}.channel-hero{padding:32px 0 38px}.hero-inner{grid-template-columns:1fr}.channel-hero h1{font-size:34px}.hero-panel{display:none}.section-head,.faq-grid{display:block}.section-head p{margin-top:10px}.feature-grid{grid-template-columns:1fr}.lead-story{min-height:380px}.path-grid{grid-template-columns:1fr 1fr}.article-row{grid-template-columns:115px 1fr}.article-row .btn-text{grid-column:2}.article-row img{height:100px}.signal{grid-template-columns:75px 1fr}.signal .meter{grid-column:2}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}}
@media(max-width:520px){body{font-size:14px}section{padding:52px 0}.channel-hero h1{font-size:30px}.channel-hero p{font-size:15px}.lead-copy{padding:22px}.lead-copy h2{font-size:23px}.path-grid,.note-grid{grid-template-columns:1fr}.article-row{grid-template-columns:1fr;padding:11px}.article-row img{height:170px}.article-row .btn-text{grid-column:auto}.data-section h2,.long-read h2,.faq-intro h2,.subscribe h2{font-size:27px}.signal{grid-template-columns:1fr}.signal .meter{grid-column:auto}.form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin-bottom:7px}}

/* roulang page: category7 */
:root{
 --ink:#17181d;--paper:#f4f3ef;--card:#fff;--night:#202127;--night2:#292b33;
 --purple:#7357ed;--purple-dark:#5b42d1;--lime:#d6f45b;--cyan:#9ce9df;
 --muted:#73747e;--line:#deddd8;--white:#fafafa;--radius:20px;
 --shadow:0 15px 40px rgba(24,25,31,.09);--container:1220px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:0}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{line-height:1.35;letter-spacing:-.03em}
.container{width:min(var(--container),calc(100% - 44px));margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(244,243,239,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{height:76px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;letter-spacing:-1px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--purple);color:var(--lime);display:grid;place-items:center;font-weight:900;font-size:18px;transform:rotate(-8deg)}
.channels{display:flex;align-items:center;gap:1px;flex:1;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channels a{padding:9px 10px;color:#5c5d65;font-size:14px;position:relative;white-space:nowrap}
.channels a:hover,.channels a.active{color:var(--purple-dark)}
.channels a.active:after{content:"";position:absolute;height:3px;width:22px;background:var(--purple);left:10px;bottom:2px;border-radius:5px}
.nav-search{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;padding:3px 5px 3px 12px;background:#fff}
.nav-search input{width:105px;border:0;outline:0;background:transparent;font-size:13px}
.search-btn{background:var(--night);color:#fff;padding:7px 10px;border-radius:7px}
.menu-btn{display:none;background:var(--night);color:#fff;padding:8px 12px;border-radius:8px}
.hero{padding:70px 0 65px;color:var(--white);background:var(--night) url('/assets/images/backpic/back-2.webp') center/cover;position:relative}
.hero:before{content:"";position:absolute;inset:0;background:rgba(25,26,32,.76)}
.hero .container{position:relative}
.crumb{color:#b8b8c0;font-size:13px;margin-bottom:22px}
.crumb a{color:var(--lime)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:end}
.eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;border-radius:99px;padding:3px 10px;font-size:12px;font-weight:700}
.eyebrow{background:#353741;color:var(--lime);margin-bottom:17px}
.hero h1{font-size:clamp(38px,5vw,66px);margin-bottom:18px}
.hero p{max-width:650px;color:#c8c8ce;font-size:17px;line-height:1.95}
.hero-note{border-left:3px solid var(--lime);padding:18px 22px;background:rgba(255,255,255,.08);border-radius:0 15px 15px 0;color:#ddd}
.hero-note b{display:block;color:var(--lime);font-size:25px;margin-bottom:4px}
section{padding:76px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-head p{max-width:560px;color:var(--muted);margin-bottom:0}
.section-kicker{font-size:12px;color:var(--purple-dark);font-weight:800;letter-spacing:.12em;margin-bottom:8px}
h2{font-size:clamp(27px,3vw,42px);margin-bottom:8px}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;padding:18px;background:#fff;border:1px solid var(--line);border-radius:15px;margin-bottom:35px}
.filter{padding:8px 15px;border:1px solid var(--line);background:var(--paper);border-radius:99px;color:#62636c;transition:.2s}
.filter:hover,.filter.active{background:var(--purple);border-color:var(--purple);color:#fff}
.feature-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
.feature-main{background:var(--night);color:#fff;border-radius:var(--radius);overflow:hidden;min-height:430px;display:flex;flex-direction:column}
.feature-main img{height:250px}
.feature-main .body{padding:25px 28px}
.feature-main h3{font-size:27px;margin:8px 0}
.feature-main p{color:#c1c1c9;margin-bottom:0}
.side-list{display:flex;flex-direction:column;gap:12px}
.side-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;display:grid;grid-template-columns:90px 1fr;gap:16px;transition:.2s}
.side-item:hover{transform:translateX(4px);box-shadow:var(--shadow)}
.side-item img{height:82px;border-radius:11px}
.side-item h3{font-size:17px;margin:5px 0}
.side-item p{font-size:13px;color:var(--muted);line-height:1.65;margin:0}
.tag{background:#eeedf9;color:var(--purple-dark);margin-bottom:7px}
.tag.dark{background:#353741;color:var(--lime)}
.archive-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.archive-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.25s}
.archive-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.archive-card img{height:190px}
.archive-card .body{padding:20px}
.archive-card h3{font-size:20px;margin:6px 0 9px}
.archive-card p{color:var(--muted);font-size:14px;line-height:1.75;margin-bottom:0}
.archive-card:nth-child(1){grid-column:span 7}
.archive-card:nth-child(2){grid-column:span 5}
.archive-card:nth-child(3),.archive-card:nth-child(4),.archive-card:nth-child(5){grid-column:span 4}
.archive-card:nth-child(1) img{height:260px}
.meta{display:flex;justify-content:space-between;color:#898a92;font-size:12px;margin-top:15px}
.timeline-wrap{background:var(--night);color:#fff;border-radius:var(--radius);padding:38px 42px}
.timeline{border-left:1px solid #555762;margin:20px 0 0 10px}
.timeline-item{position:relative;padding:0 0 28px 35px}
.timeline-item:before{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--lime);left:-6px;top:9px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item time{color:var(--lime);font-weight:800;font-size:13px}
.timeline-item h3{font-size:19px;margin:4px 0}
.timeline-item p{color:#bfc0c8;font-size:14px;margin:0}
.deep-grid{display:grid;grid-template-columns:7fr 5fr;gap:55px;align-items:center}
.deep img{height:410px;border-radius:22px}
.deep-copy p{color:var(--muted);line-height:2}
.reading-points{border-top:1px solid var(--line);margin-top:23px}
.reading-points div{padding:13px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:15px}
.reading-points span{color:var(--muted)}
.reading-points b{color:var(--purple-dark)}
.related{background:#e9e8e2}
.related-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.related-card{padding:24px;background:#fff;border-radius:16px;border:1px solid var(--line)}
.related-card h3{margin:8px 0;font-size:19px}
.related-card p{color:var(--muted);font-size:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:10px;font-weight:700;transition:.2s;border:1px solid transparent}
.btn:hover{transform:translateY(-2px)}
.btn:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(115,87,237,.25);outline-offset:2px}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:#e2ff71}
.btn-secondary{border-color:#53555f;color:#fff;background:transparent}
.btn-secondary:hover{border-color:var(--lime);color:var(--lime)}
.btn-text{padding-left:0;color:var(--purple-dark);background:transparent}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:11px;padding:0 20px}
.faq-list summary{cursor:pointer;list-style:none;font-weight:800;padding:19px 0;display:flex;justify-content:space-between}
.faq-list summary:after{content:"＋";color:var(--purple);font-size:20px}
.faq-list details[open] summary:after{content:"－"}
.faq-list details p{color:var(--muted);font-size:14px;padding:0 0 18px;margin:0}
.cta{background:var(--purple);color:#fff;padding:48px;border-radius:var(--radius);display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{margin:0 0 8px}.cta p{color:#e1ddff;margin:0}
footer{background:var(--night);color:#fff;padding:55px 0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px}
.footer-brand p{color:#bfc0c7;max-width:320px}
footer h3{font-size:15px;color:var(--lime);margin:4px 0 15px}
footer .footer-grid a:not(.brand){display:block;color:#c4c4ca;font-size:14px;margin:7px 0}
footer a:hover{color:var(--lime)!important}
.copyright{border-top:1px solid #45464f;margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#9697a0;font-size:12px}
.copyright a{color:#c8c8ce}
.empty-state{display:none;text-align:center;color:var(--muted);padding:40px;background:#fff;border-radius:16px}
@media(max-width:1024px){
 .nav{gap:14px}.channels a{padding-left:7px;padding-right:7px}
 .hero-grid,.deep-grid,.faq-grid{grid-template-columns:1fr;gap:28px}
 .archive-card:nth-child(n){grid-column:span 6}
 .feature-layout{grid-template-columns:1fr}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 36px))}
 .nav{height:68px}.channels{position:absolute;top:68px;left:0;right:0;padding:10px 18px;background:var(--paper);border-bottom:1px solid var(--line);display:none}
 header.open .channels{display:flex}
 .nav-search{margin-left:auto}.nav-search input{width:80px}.menu-btn{display:block}
 .hero{padding:48px 0}.hero h1{font-size:40px}
 section{padding:55px 0}.section-head{display:block}.section-head p{margin-top:12px}
 .archive-card:nth-child(n){grid-column:span 12}
 .related-grid,.footer-grid{grid-template-columns:1fr}
 .timeline-wrap{padding:28px 22px}
 .cta{display:block;padding:30px}.cta .btn{margin-top:20px}
}
@media(max-width:520px){
 .container{width:calc(100% - 36px)}
 .brand{font-size:18px}.brand-mark{width:30px;height:30px}
 .nav-search{display:none}.hero h1{font-size:34px}
 .feature-main img{height:190px}.feature-main .body{padding:21px}
 .side-item{grid-template-columns:72px 1fr;padding:15px}.side-item img{height:70px}
 .archive-card img,.archive-card:nth-child(1) img{height:185px}
 .copyright{display:block}.copyright span{display:block;margin-bottom:8px}
}