/* roulang page: index */
:root{
            --ink:#071225;--deep:#0b1730;--panel:rgba(17,35,67,.76);--panel2:rgba(22,44,80,.58);
            --line:rgba(128,180,232,.2);--text:#edf5ff;--muted:#99acc9;--orange:#ffad45;
            --orange2:#ffcf75;--cyan:#5bd9e8;--purple:#7b75ff;--radius:22px;
            --shadow:0 22px 65px rgba(0,0,0,.3);
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.75;background:var(--ink);overflow-x:hidden}
        body:before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(circle at 12% 8%,rgba(91,217,232,.12),transparent 26%),radial-gradient(circle at 86% 18%,rgba(123,117,255,.14),transparent 28%),linear-gradient(145deg,#071225,#0d1936 55%,#10102a)}
        body:after{content:"";position:fixed;inset:0;z-index:-1;opacity:.16;pointer-events:none;background-image:linear-gradient(rgba(120,180,230,.15) 1px,transparent 1px),linear-gradient(90deg,rgba(120,180,230,.12) 1px,transparent 1px);background-size:52px 52px}
        a{color:inherit;text-decoration:none;transition:.25s ease}
        img{max-width:100%;display:block}
        button,input,select{font:inherit}
        .container{width:min(1160px,calc(100% - 40px));margin:auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(7,18,37,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
        .topbar{min-height:76px;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:800;letter-spacing:.03em;white-space:nowrap}
        .brand-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--orange),#ff704c);box-shadow:0 0 25px rgba(255,173,69,.35);position:relative}
        .brand-mark:after{content:"";position:absolute;left:8px;top:8px;width:16px;height:16px;border:2px solid #17233d;border-radius:50% 50% 50% 2px;transform:rotate(45deg)}
        .nav-links{display:flex;align-items:center;gap:25px;margin-left:auto}
        .nav-links a{font-size:14px;color:var(--muted);padding:10px 2px;border-bottom:2px solid transparent}
        .nav-links a:hover,.nav-links a.active{color:#fff;border-color:var(--orange)}
        .nav-cta,.button.primary{background:var(--orange);color:#1c2130;border:0;border-radius:11px;padding:12px 19px;font-weight:800;box-shadow:0 8px 25px rgba(255,173,69,.2)}
        .nav-cta:hover,.button.primary:hover{background:var(--orange2);color:#121a2c;transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,173,69,.35)}
        .menu-toggle{display:none;margin-left:auto;background:none;color:#fff;border:1px solid var(--line);padding:8px 12px;border-radius:9px}
        .hero{padding:92px 0 76px;position:relative}
        .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
        .eyebrow,.section-kicker{color:var(--orange2);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
        h1,h2,h3{line-height:1.2;margin:0 0 18px;letter-spacing:-.025em}
        h1{font-size:clamp(38px,5vw,68px);max-width:720px}
        h2{font-size:clamp(27px,3vw,42px)}
        h3{font-size:20px}
        p{color:var(--muted);margin:0 0 20px}
        .hero-copy p{font-size:17px;max-width:650px}
        .hero-actions{display:flex;align-items:center;gap:18px;margin-top:30px}
        .button{display:inline-block;border-radius:11px;padding:12px 20px;font-weight:700}
        .button.secondary{border:1px solid rgba(91,217,232,.42);color:var(--cyan);background:rgba(91,217,232,.07)}
        .button.secondary:hover{background:rgba(91,217,232,.16);transform:translateY(-2px)}
        .hero-note{font-size:13px;color:#7188ab}
        .hero-art{min-height:430px;border:1px solid var(--line);border-radius:28px;padding:16px;background:rgba(9,24,49,.68);box-shadow:var(--shadow);position:relative;overflow:hidden}
        .hero-art img{width:100%;height:398px;object-fit:cover;border-radius:18px;opacity:.78}
        .hero-art:after{content:"";position:absolute;inset:16px;border:1px solid rgba(255,173,69,.3);border-radius:18px;pointer-events:none}
        .art-badge{position:absolute;top:34px;left:32px;background:rgba(7,18,37,.88);border:1px solid rgba(255,173,69,.45);padding:9px 13px;border-radius:9px;color:var(--orange2);font-size:13px}
        .art-panel{position:absolute;right:30px;bottom:31px;width:190px;background:rgba(7,18,37,.88);border:1px solid var(--line);padding:14px;border-radius:14px}
        .meter{height:5px;background:#263a5c;border-radius:10px;margin:10px 0}.meter i{display:block;width:74%;height:100%;background:var(--orange);border-radius:inherit}
        section{padding:86px 0;border-top:1px solid rgba(128,180,232,.1)}
        .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}
        .section-head p{max-width:620px;margin:0}
        .glass{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
        .pain-track{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
        .pain{padding:22px 20px;border-left:3px solid var(--orange);background:rgba(17,35,67,.6);border-radius:13px}
        .pain strong{display:block;font-size:17px;margin-bottom:7px}.pain span{color:var(--muted);font-size:14px}
        .solution{display:grid;grid-template-columns:1.1fr 1.9fr;gap:24px;align-items:stretch}
        .solution-lead{padding:32px;background:linear-gradient(145deg,rgba(255,173,69,.14),rgba(17,35,67,.7));border-radius:var(--radius);border:1px solid rgba(255,173,69,.3)}
        .solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
        .mini-card{padding:24px;border:1px solid var(--line);border-radius:16px;background:var(--panel2)}
        .mini-card b{display:block;color:var(--cyan);font-size:14px;margin-bottom:8px}.mini-card p{font-size:14px;margin:0}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
        .step{padding:25px;border-top:2px solid var(--cyan);position:relative}.step:not(:last-child):after{content:"→";position:absolute;right:-8px;top:17px;color:var(--orange);font-size:24px}
        .step-no{font-size:32px;color:var(--orange);font-weight:800}.step p{font-size:14px}
        .stats{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:14px}
        .stat,.feature-stat{padding:27px}.stat strong{font-size:36px;color:var(--orange2);display:block}.stat small{color:var(--muted)}
        .feature{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
        .feature-image{min-height:330px;border-radius:var(--radius);overflow:hidden;position:relative}
        .feature-image img{width:100%;height:100%;object-fit:cover}
        .image-label{position:absolute;left:20px;bottom:18px;background:rgba(7,18,37,.85);padding:10px 14px;border-radius:9px;color:#fff}
        .feature-copy{padding:30px}.tag{display:inline-block;padding:5px 10px;border-radius:30px;background:rgba(91,217,232,.1);color:var(--cyan);font-size:12px;margin:0 6px 8px 0}
        .index-row{display:flex;gap:13px;overflow:auto;padding-bottom:8px}.index-card{min-width:220px;padding:20px;border:1px solid var(--line);border-radius:17px;background:var(--panel2)}.index-card p{font-size:14px;margin:0}
        .topic-wall{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:15px}.topic{min-height:180px;padding:24px;border-radius:18px;background-size:cover;background-position:center;position:relative;overflow:hidden}.topic:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,13,29,.95),rgba(5,13,29,.1))}.topic>*{position:relative}.topic h3{margin-top:72px}
        .scenes{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.scene{padding:24px 20px;border-bottom:3px solid var(--orange);background:rgba(22,44,80,.55);border-radius:15px}.scene b{display:block;margin-bottom:8px}.scene p{font-size:14px;margin:0}
        .quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.quote{padding:25px}.quote p{color:#d4e1f3;font-size:16px}.quote small{color:var(--orange2)}
        .audience{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.audience div{padding:19px 15px;text-align:center;border:1px solid var(--line);border-radius:14px;color:#dbe8fa;font-size:14px}
        .news-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.news-main{padding:28px;background:linear-gradient(140deg,rgba(123,117,255,.18),rgba(17,35,67,.7));border-radius:20px}.news-list{display:grid;gap:10px}.news-item{display:flex;gap:16px;align-items:center;padding:15px 18px;border-bottom:1px solid var(--line)}.news-item time{color:var(--orange2);font-size:13px;white-space:nowrap}.news-item span{color:#d5e4f7;font-size:14px}
        .dashboard{display:grid;grid-template-columns:1fr 1fr;gap:15px}.bar-row{margin:15px 0}.bar-row label{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}.bar-bg{height:7px;background:#253858;border-radius:10px;margin-top:7px}.bar-bg i{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--orange));border-radius:inherit}
        .faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px}.accordion{background:transparent}.accordion-item{background:var(--panel);border:1px solid var(--line);margin-bottom:10px;border-radius:13px;overflow:hidden}.accordion-title{color:#fff!important;background:transparent!important;border:0!important;padding:19px 22px;font-weight:700}.accordion-content{background:rgba(8,20,41,.8);border:0;color:var(--muted);padding:0 22px 20px;font-size:14px}
        .closing{background:linear-gradient(115deg,rgba(255,173,69,.17),rgba(91,217,232,.08));border:1px solid rgba(255,173,69,.3);border-radius:26px;padding:42px;display:flex;justify-content:space-between;align-items:center;gap:28px}.closing p{max-width:650px;margin:0}
        footer{padding:42px 0 26px;border-top:1px solid var(--line);background:rgba(4,12,27,.7)}.footer-grid{display:flex;justify-content:space-between;gap:30px}.footer-links{display:flex;gap:20px;color:var(--muted);font-size:14px}.footer-links a:hover{color:var(--orange2)}.copyright{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);color:#6f83a3;font-size:12px}
        :focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
        @media(max-width:1024px){.hero-grid,.solution,.feature,.news-layout,.faq{grid-template-columns:1fr}.pain-track,.scenes{grid-template-columns:repeat(2,1fr)}.audience{grid-template-columns:repeat(3,1fr)}}
        @media(max-width:768px){.container{width:min(100% - 28px,620px)}.nav-links{display:none}.menu-toggle{display:block}.nav-links.open{display:flex;position:absolute;top:76px;left:0;right:0;padding:18px 20px;background:#0b1932;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}.nav-links.open a{padding:12px}.nav-cta{display:none}.hero{padding:65px 0 55px}.hero-art{min-height:300px}.hero-art img{height:270px}.steps{grid-template-columns:1fr 1fr}.step:not(:last-child):after{display:none}.stats,.quotes,.topic-wall{grid-template-columns:1fr 1fr}.feature-image{min-height:240px}.closing{display:block}.closing .button{margin-top:22px}}
        @media(max-width:520px){section{padding:60px 0}.section-head{display:block}.section-head p{margin-top:12px}.pain-track,.solution-grid,.steps,.stats,.scenes,.quotes,.audience,.topic-wall,.dashboard{grid-template-columns:1fr}.hero-actions{flex-wrap:wrap}.hero-copy p{font-size:15px}.hero-art{padding:10px}.hero-art:after{inset:10px}.hero-art img{height:245px}.art-panel{right:20px;bottom:22px}.footer-grid{display:block}.footer-links{flex-wrap:wrap;margin-top:22px}.closing{padding:28px 22px}}

/* roulang page: category1 */
:root{
 --ink:#071225;--deep:#0b1730;--panel:rgba(17,35,67,.78);--panel2:rgba(22,44,80,.58);
 --line:rgba(128,180,232,.2);--text:#edf5ff;--muted:#99acc9;--orange:#ffad45;
 --orange2:#ffcf75;--cyan:#5bd9e8;--purple:#7b75ff;--radius:22px;
 --shadow:0 22px 65px rgba(0,0,0,.3)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.75;background:var(--ink);overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(circle at 12% 8%,rgba(91,217,232,.12),transparent 26%),radial-gradient(circle at 86% 18%,rgba(123,117,255,.14),transparent 28%),linear-gradient(145deg,#071225,#0d1936 55%,#10102a)}
body:after{content:"";position:fixed;inset:0;z-index:-1;opacity:.15;pointer-events:none;background-image:linear-gradient(rgba(120,180,230,.15) 1px,transparent 1px),linear-gradient(90deg,rgba(120,180,230,.12) 1px,transparent 1px);background-size:52px 52px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{max-width:100%;display:block}
button,input,select{font:inherit}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(34px,5vw,62px);line-height:1.15;letter-spacing:-.04em;margin-bottom:20px}
h2{font-size:clamp(25px,3.2vw,39px);line-height:1.25;margin-bottom:13px}
h3{font-size:19px;line-height:1.4;margin-bottom:9px}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(7,18,37,.84);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.topbar{min-height:76px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:800;letter-spacing:.03em;white-space:nowrap}
.brand-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--orange),#ff704c);box-shadow:0 0 25px rgba(255,173,69,.35);position:relative}
.brand-mark:after{content:"";position:absolute;left:8px;top:8px;width:16px;height:16px;border:2px solid #17233d;border-radius:50% 50% 50% 2px;transform:rotate(45deg)}
.nav-links{display:flex;align-items:center;gap:25px;margin-left:auto}
.nav-links a{font-size:14px;color:var(--muted);padding:10px 2px;border-bottom:2px solid transparent}
.nav-links a:hover,.nav-links a.active{color:#fff;border-color:var(--orange)}
.nav-links .nav-cta{background:var(--orange);color:#1c2130;border:0;border-radius:11px;padding:12px 19px;font-weight:800;box-shadow:0 8px 25px rgba(255,173,69,.2)}
.nav-links .nav-cta:hover{background:var(--orange2);transform:translateY(-2px)}
.menu-toggle{display:none;margin-left:auto;background:none;color:#fff;border:1px solid var(--line);padding:8px 12px;border-radius:9px}
main{overflow:hidden}
.category-hero{padding:82px 0 64px;position:relative}
.category-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,18,37,.97) 22%,rgba(7,18,37,.7) 58%,rgba(7,18,37,.85)),url('/assets/images/55081008b255bded.jpg') center/cover;opacity:.72;z-index:-1}
.category-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:end}
.eyebrow,.section-kicker{color:var(--orange2);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
.category-hero p{color:#c8d7ec;max-width:680px;font-size:17px}
.hero-actions{display:flex;gap:14px;align-items:center;margin-top:28px}
.button{display:inline-block;border-radius:11px;padding:12px 20px;font-weight:700}
.button.primary{background:var(--orange);color:#1c2130;box-shadow:0 8px 25px rgba(255,173,69,.2)}
.button.primary:hover{background:var(--orange2);transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,173,69,.35)}
.button.secondary{border:1px solid rgba(91,217,232,.42);color:var(--cyan);background:rgba(91,217,232,.07)}
.button.secondary:hover{background:rgba(91,217,232,.16);transform:translateY(-2px)}
.hero-panel{padding:25px;border:1px solid var(--line);border-radius:20px;background:rgba(9,24,49,.72);box-shadow:var(--shadow)}
.panel-line{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding:12px 0;color:var(--muted);font-size:14px}
.panel-line strong{color:var(--orange2);font-weight:700}
section{padding:78px 0;border-top:1px solid rgba(128,180,232,.1)}
.section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:29px}
.section-head p{max-width:590px;color:var(--muted);margin-bottom:0}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;padding:18px 20px;border:1px solid var(--line);border-radius:16px;background:rgba(17,35,67,.55);margin-bottom:30px}
.filter-bar span{padding:7px 14px;border-radius:30px;border:1px solid rgba(91,217,232,.2);color:var(--muted);font-size:13px}
.filter-bar span.active{color:#17233d;background:var(--orange);border-color:var(--orange);font-weight:800}
.story-list{display:grid;gap:16px}
.story-item{display:grid;grid-template-columns:125px 1fr auto;gap:24px;align-items:center;padding:22px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(105deg,rgba(17,35,67,.82),rgba(11,25,51,.65));transition:.25s ease}
.story-item:hover{border-color:rgba(255,173,69,.55);transform:translateX(4px);box-shadow:0 15px 35px rgba(0,0,0,.2)}
.story-thumb{height:90px;border-radius:12px;overflow:hidden}
.story-thumb img{width:100%;height:100%;object-fit:cover}
.story-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:7px}
.tag{display:inline-block;padding:4px 10px;border-radius:30px;background:rgba(91,217,232,.1);color:var(--cyan);font-size:12px}
.story-item p{color:var(--muted);font-size:14px;margin:0}
.story-status{color:var(--orange2);font-size:13px;white-space:nowrap}
.feature-box{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
.feature-image{min-height:330px;border-radius:var(--radius);overflow:hidden;position:relative}
.feature-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,15,33,.78),transparent 60%)}
.feature-image img{width:100%;height:100%;object-fit:cover}
.feature-label{position:absolute;left:25px;bottom:22px;z-index:1;color:#fff}
.feature-copy{padding:31px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,rgba(255,173,69,.14),rgba(17,35,67,.72))}
.feature-copy p{color:var(--muted)}
.topic-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px}
.topic-index{padding:26px;border:1px solid var(--line);border-radius:20px;background:var(--panel)}
.topic-index a{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line);color:#dce9f9}
.topic-index a:hover{color:var(--orange2);padding-left:6px}
.topic-index em{font-style:normal;color:var(--cyan);font-size:13px}
.topic-cloud{display:flex;align-content:flex-start;gap:12px;flex-wrap:wrap;padding:30px;border-radius:20px;background:rgba(22,44,80,.48);border:1px solid var(--line)}
.topic-cloud span{padding:10px 15px;border-radius:10px;background:rgba(7,18,37,.62);border:1px solid rgba(128,180,232,.18);color:#d7e6f7}
.topic-cloud span:nth-child(2n){color:var(--orange2);border-color:rgba(255,173,69,.3)}
.scene-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.scene{min-height:160px;padding:22px;border-radius:17px;border:1px solid var(--line);background:linear-gradient(145deg,rgba(123,117,255,.15),rgba(17,35,67,.73));display:flex;flex-direction:column;justify-content:end}
.scene small{color:var(--cyan);letter-spacing:.08em}
.scene h3{margin:5px 0 0}
.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px}
.faq-intro{padding:27px;border-left:3px solid var(--orange);background:rgba(17,35,67,.45);border-radius:0 17px 17px 0}
.faq-intro p{color:var(--muted)}
.accordion-item{background:var(--panel);border:1px solid var(--line);margin-bottom:10px;border-radius:13px;overflow:hidden}
.accordion-title{color:#fff!important;background:transparent!important;border:0!important;padding:18px 21px;font-weight:700}
.accordion-title:hover{color:var(--orange2)!important;background:rgba(91,217,232,.05)!important}
.accordion-content{background:rgba(7,18,37,.4);border:0;color:var(--muted);padding:0 21px 18px}
.more-panel{padding:38px 42px;border:1px solid rgba(255,173,69,.35);border-radius:22px;background:linear-gradient(110deg,rgba(255,173,69,.16),rgba(17,35,67,.75));display:flex;align-items:center;justify-content:space-between;gap:25px}
.more-panel p{color:#c3d2e7;margin:0}
footer{padding:42px 0 26px;border-top:1px solid var(--line);background:rgba(4,12,27,.7)}
.footer-grid{display:flex;justify-content:space-between;gap:30px}
.footer-links{display:flex;gap:20px;color:var(--muted);font-size:14px;flex-wrap:wrap}
.footer-links a:hover{color:var(--orange2)}
.copyright{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);color:#6f83a3;font-size:12px}
:focus-visible{outline:3px solid var(--orange2);outline-offset:3px}
@media(max-width:1024px){
 .category-grid,.feature-box,.topic-layout{grid-template-columns:1fr}
 .category-grid{gap:28px}
 .scene-strip{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(100% - 28px,620px)}
 .topbar{min-height:68px}
 .nav-links{display:none}
 .menu-toggle{display:block}
 .nav-links.open{display:flex;position:absolute;top:68px;left:0;right:0;padding:18px 20px;background:#0b1932;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:4px}
 .nav-links.open a{padding:12px 8px}
 .nav-links.open .nav-cta{text-align:center;margin-top:7px}
 .category-hero{padding:62px 0 50px}
 .story-item{grid-template-columns:88px 1fr}
 .story-status{grid-column:2}
 .story-thumb{height:76px}
 .section-head,.more-panel,.footer-grid{align-items:flex-start;flex-direction:column}
 .faq{grid-template-columns:1fr}
}
@media(max-width:520px){
 h1{font-size:36px}
 h2{font-size:28px}
 .hero-actions{flex-wrap:wrap}
 .button{width:100%;text-align:center}
 .scene-strip{grid-template-columns:1fr}
 .story-item{gap:14px;padding:16px}
 .story-item h3{font-size:17px}
 .story-item p{font-size:13px}
 .feature-copy{padding:23px}
 .more-panel{padding:27px 22px}
}

/* roulang page: category2 */
:root{
 --ink:#071225;--deep:#0b1730;--panel:rgba(17,35,67,.76);--panel2:rgba(22,44,80,.58);
 --line:rgba(128,180,232,.2);--text:#edf5ff;--muted:#99acc9;--orange:#ffad45;
 --orange2:#ffcf75;--cyan:#5bd9e8;--purple:#7b75ff;--radius:22px;
 --shadow:0 22px 65px rgba(0,0,0,.3);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.75;background:var(--ink);overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(circle at 12% 8%,rgba(91,217,232,.12),transparent 26%),radial-gradient(circle at 86% 18%,rgba(123,117,255,.14),transparent 28%),linear-gradient(145deg,#071225,#0d1936 55%,#10102a)}
body:after{content:"";position:fixed;inset:0;z-index:-1;opacity:.16;pointer-events:none;background-image:linear-gradient(rgba(120,180,230,.15) 1px,transparent 1px),linear-gradient(90deg,rgba(120,180,230,.12) 1px,transparent 1px);background-size:52px 52px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{max-width:100%;display:block}
button,input,select{font:inherit}
h1,h2,h3{line-height:1.25;margin:0 0 16px;letter-spacing:-.025em}
h1{font-size:clamp(38px,5vw,66px)}
h2{font-size:clamp(27px,3vw,40px)}
h3{font-size:20px}
p{color:var(--muted);margin:0 0 14px}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(7,18,37,.84);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.topbar{min-height:76px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:800;letter-spacing:.03em;white-space:nowrap}
.brand-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--orange),#ff704c);box-shadow:0 0 25px rgba(255,173,69,.35);position:relative}
.brand-mark:after{content:"";position:absolute;left:8px;top:8px;width:16px;height:16px;border:2px solid #17233d;border-radius:50% 50% 50% 2px;transform:rotate(45deg)}
.nav-links{display:flex;align-items:center;gap:25px;margin-left:auto}
.nav-links a{font-size:14px;color:var(--muted);padding:10px 2px;border-bottom:2px solid transparent}
.nav-links a:hover,.nav-links a.active{color:#fff;border-color:var(--orange)}
.nav-cta,.button.primary{background:var(--orange);color:#1c2130;border:0;border-radius:11px;padding:12px 19px;font-weight:800;box-shadow:0 8px 25px rgba(255,173,69,.2)}
.nav-cta:hover,.button.primary:hover{background:var(--orange2);color:#121a2c;transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,173,69,.35)}
.menu-toggle{display:none;margin-left:auto;background:none;color:#fff;border:1px solid var(--line);padding:8px 12px;border-radius:9px}
.hero{padding:90px 0 72px}
.hero-grid{display:grid;grid-template-columns:1fr .92fr;gap:62px;align-items:center}
.eyebrow,.section-kicker{color:var(--orange2);font-size:12px;font-weight:800;letter-spacing:.16em}
.hero-copy p{font-size:17px;max-width:650px}
.hero-actions{display:flex;align-items:center;gap:16px;margin-top:28px}
.button{display:inline-block;border-radius:11px;padding:12px 20px;font-weight:700}
.button.secondary{border:1px solid rgba(91,217,232,.42);color:var(--cyan);background:rgba(91,217,232,.07)}
.button.secondary:hover{background:rgba(91,217,232,.16);transform:translateY(-2px)}
.hero-art{min-height:410px;border:1px solid var(--line);border-radius:28px;padding:16px;background:rgba(9,24,49,.68);box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero-art img{width:100%;height:378px;object-fit:cover;border-radius:18px;opacity:.8}
.hero-art:after{content:"";position:absolute;inset:16px;border:1px solid rgba(255,173,69,.3);border-radius:18px;pointer-events:none}
.art-badge{position:absolute;top:34px;left:32px;background:rgba(7,18,37,.9);border:1px solid rgba(255,173,69,.45);padding:9px 13px;border-radius:9px;color:var(--orange2);font-size:13px}
.art-data{position:absolute;right:30px;bottom:30px;padding:14px 16px;background:rgba(7,18,37,.9);border:1px solid var(--line);border-radius:12px;font-size:13px}
.art-data strong{display:block;color:#fff;font-size:22px}
section{padding:80px 0;border-top:1px solid rgba(128,180,232,.1)}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}
.section-head p{max-width:630px;margin:0}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.topic-nav{display:flex;gap:10px;overflow:auto;padding:6px 2px 16px}
.topic-nav span,.tag{display:inline-block;padding:6px 12px;border-radius:30px;background:rgba(91,217,232,.1);color:var(--cyan);font-size:13px;white-space:nowrap;border:1px solid transparent}
.topic-nav span.active,.topic-nav span:hover{background:rgba(255,173,69,.14);color:var(--orange2);border-color:rgba(255,173,69,.38)}
.topic-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:20px}
.feature-topic{min-height:390px;position:relative;overflow:hidden;padding:0}
.feature-topic img{width:100%;height:390px;object-fit:cover;opacity:.68}
.feature-topic:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,14,30,.96),transparent 70%)}
.topic-copy{position:absolute;z-index:1;left:28px;right:28px;bottom:24px}
.topic-copy p{max-width:560px;color:#d1deef}
.side-topics{display:grid;gap:12px}
.topic-row{display:flex;gap:16px;align-items:flex-start;padding:19px;border:1px solid var(--line);border-radius:16px;background:var(--panel2)}
.topic-index{color:var(--orange);font-weight:800;font-size:18px}
.topic-row p{font-size:14px;margin:0}
.clue-board{padding:30px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:0}
.clue{padding:18px 24px;border-left:1px solid var(--line);position:relative}
.clue:first-child{border-left:0}
.clue:before{content:"";width:9px;height:9px;background:var(--orange);border-radius:50%;position:absolute;left:-5px;top:25px;box-shadow:0 0 16px var(--orange)}
.clue:first-child:before{display:none}
.clue b{display:block;color:#fff;margin-bottom:8px}
.clue p{font-size:14px;margin:0}
.filter-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.filter-box{padding:22px;background:var(--panel2);border:1px solid var(--line);border-radius:16px}
.filter-box b{display:block;color:var(--orange2);font-size:14px;margin-bottom:10px}
.filter-box span{display:inline-block;color:var(--muted);font-size:13px;margin:3px 8px 3px 0}
.news-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:20px}
.news-feature{padding:30px;background:linear-gradient(145deg,rgba(123,117,255,.2),rgba(17,35,67,.72));border-radius:var(--radius);border:1px solid var(--line)}
.news-list{padding:10px 24px}
.news-item{display:flex;gap:18px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}
.news-item:last-child{border-bottom:0}
.news-item time{color:var(--orange2);font-size:13px;white-space:nowrap}
.news-item span{color:#d6e3f3;font-size:14px}
.faq{display:grid;grid-template-columns:.78fr 1.22fr;gap:28px}
.accordion{margin:0}
.accordion-item{background:var(--panel);border:1px solid var(--line);margin-bottom:10px;border-radius:13px;overflow:hidden}
.accordion-title{color:#fff!important;background:transparent!important;border:0!important;padding:18px 22px;font-weight:700}
.accordion-content{background:rgba(7,18,37,.45);border:0;color:var(--muted);padding:0 22px 18px}
.cta-panel{padding:38px;display:flex;justify-content:space-between;align-items:center;gap:28px;background:linear-gradient(110deg,rgba(255,173,69,.18),rgba(17,35,67,.78));border:1px solid rgba(255,173,69,.35);border-radius:var(--radius)}
.cta-panel p{max-width:620px}
footer{padding:42px 0 26px;border-top:1px solid var(--line);background:rgba(4,12,27,.7)}
.footer-grid{display:flex;justify-content:space-between;gap:30px}
.footer-links{display:flex;gap:20px;color:var(--muted);font-size:14px;flex-wrap:wrap}
.footer-links a:hover{color:var(--orange2)}
.copyright{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);color:#6f83a3;font-size:12px}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
@media(max-width:1024px){
 .hero-grid,.topic-layout,.news-layout{grid-template-columns:1fr}
 .hero-art{max-width:700px}
 .filter-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(100% - 28px,620px)}
 .topbar{min-height:70px}
 .nav-links{display:none}
 .menu-toggle{display:block}
 .nav-links.open{display:flex;position:absolute;top:70px;left:0;right:0;padding:18px 20px;background:#0b1932;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:5px}
 .nav-links.open a{padding:12px 8px}
 .hero{padding:64px 0 52px}
 .hero-actions{flex-wrap:wrap}
 .section-head,.cta-panel{align-items:flex-start;flex-direction:column}
 .clue-board{grid-template-columns:1fr;padding:18px}
 .clue{border-left:0;border-top:1px solid var(--line);padding:20px 8px 12px 24px}
 .clue:first-child{border-top:0}
 .clue:before{left:5px;top:28px}
 .faq{grid-template-columns:1fr}
}
@media(max-width:520px){
 h1{font-size:38px}
 .hero-art{min-height:300px;padding:10px}
 .hero-art img{height:280px}
 .hero-art:after{inset:10px}
 .art-badge{top:24px;left:22px}
 .art-data{right:20px;bottom:20px}
 .filter-grid{grid-template-columns:1fr}
 .news-item{align-items:flex-start;flex-direction:column;gap:4px}
 .footer-grid{flex-direction:column}
}