/* roulang page: index */
:root{
  --ink:#171b1b;--coal:#202625;--coal-2:#29302e;--paper:#f2f0e8;--paper-2:#e7e8dd;
  --acid:#b7f34b;--acid-dark:#8fca2e;--orange:#e99555;--white:#f7f7f0;
  --muted:#aeb8ae;--line:rgba(183,243,75,.18);--dark-line:rgba(23,27,27,.14);
  --radius:20px;--shadow:0 18px 45px rgba(10,16,15,.16);--container:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;background:var(--coal);color:var(--white);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(32,38,37,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.navbar{height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;white-space:nowrap}
.brand-mark{width:37px;height:37px;border-radius:11px;background:var(--acid);color:var(--ink);display:grid;place-items:center;font-size:13px;font-weight:900;transform:rotate(-7deg)}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.5px}
.brand-name small{display:block;color:var(--acid);font-size:10px;line-height:1.1;letter-spacing:2px}
.nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav-links a{padding:9px 13px;color:#d8ded3;font-size:14px;border-bottom:2px solid transparent}
.nav-links a:hover,.nav-links a.active{color:var(--acid);border-color:var(--acid)}
.nav-action,.btn-primary{background:var(--acid);color:var(--ink);font-weight:800;border-radius:10px;padding:11px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.nav-action:hover,.btn-primary:hover{background:#cbff71;transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,243,75,.18)}
.menu-toggle{display:none;background:none;color:var(--white);font-size:25px}
.hero{min-height:650px;display:grid;align-items:center;position:relative;overflow:hidden;background:var(--coal)}
.hero:after{content:"";position:absolute;right:-130px;top:80px;width:480px;height:480px;border:1px solid var(--line);border-radius:50%;box-shadow:0 0 0 42px rgba(183,243,75,.03),0 0 0 84px rgba(183,243,75,.025)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;position:relative;z-index:1}
.eyebrow,.section-kicker{color:var(--acid);font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase}
.hero h1{font-size:clamp(40px,5.3vw,72px);line-height:1.12;letter-spacing:-3px;margin:20px 0 24px;max-width:720px}
.hero h1 em{font-style:normal;color:var(--acid)}
.hero-copy{font-size:17px;color:#c1cbc0;max-width:610px}
.actions{display:flex;gap:13px;margin-top:32px;flex-wrap:wrap}
.btn-secondary{border:1px solid rgba(247,247,240,.45);color:var(--white);border-radius:10px;padding:10px 18px;display:inline-flex;align-items:center;justify-content:center}
.btn-secondary:hover{background:var(--white);color:var(--ink);transform:translateY(-2px)}
.hero-art{min-height:370px;position:relative;display:flex;align-items:center;justify-content:center}
.signal-card{width:330px;background:var(--paper);color:var(--ink);padding:28px;border-radius:24px;box-shadow:var(--shadow);transform:rotate(4deg);position:relative}
.signal-card:before{content:"NG28";position:absolute;right:22px;top:20px;color:var(--orange);font-weight:900;font-size:12px;letter-spacing:2px}
.signal-card h2{font-size:36px;line-height:1.1;margin:30px 0 34px;letter-spacing:-2px}
.signal-row{display:flex;justify-content:space-between;border-top:1px solid var(--dark-line);padding:12px 0;font-size:13px}
.signal-row strong{color:#5b8d1b}.orbit{position:absolute;width:370px;height:370px;border:1px dashed rgba(183,243,75,.35);border-radius:50%}
.section{padding:105px 0}.section.light{background:var(--paper);color:var(--ink)}.section.soft{background:var(--paper-2);color:var(--ink)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
.section h2{font-size:clamp(28px,3.4vw,46px);line-height:1.2;letter-spacing:-1.5px;margin-top:9px}
.section-intro{max-width:510px;color:#718079}.dark-intro{color:var(--muted)}
.keyword-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.keyword{padding:26px 20px;border-right:1px solid var(--line)}
.keyword:last-child{border:0}.keyword b{display:block;color:var(--acid);font-size:20px;margin-bottom:4px}.keyword span{font-size:13px;color:var(--muted)}
.trend-line{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.trend-line:before{content:"";position:absolute;top:34px;left:7%;right:7%;height:1px;background:var(--line)}
.trend-item{position:relative;padding-top:62px}.trend-dot{position:absolute;top:27px;left:0;width:15px;height:15px;background:var(--acid);border-radius:50%;box-shadow:0 0 0 7px rgba(183,243,75,.1)}
.trend-item:nth-child(even) .trend-dot{background:var(--orange)}
.trend-date{color:var(--orange);font-size:12px;font-weight:700}.trend-item h3{font-size:18px;margin:10px 0 8px}.trend-item p{color:var(--muted);font-size:13px}
.news-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:24px}
.news-feature,.news-list{background:var(--coal-2);border-radius:var(--radius);padding:30px}
.news-feature{border-left:4px solid var(--acid);min-height:260px;display:flex;flex-direction:column;justify-content:space-between}
.news-feature h3{font-size:28px;line-height:1.35;margin:15px 0}
.news-feature p,.news-item p{color:var(--muted);font-size:13px}
.news-meta{display:flex;gap:12px;align-items:center;color:#aab5aa;font-size:12px}.tag{display:inline-block;background:rgba(183,243,75,.13);color:var(--acid);padding:3px 9px;border-radius:5px;font-size:11px}.tag.orange{background:rgba(233,149,85,.14);color:var(--orange)}
.news-item{padding:0 0 17px;margin-bottom:17px;border-bottom:1px solid var(--line)}.news-item:last-child{border:0;margin:0;padding:0}.news-item h3{font-size:16px;margin:5px 0}.news-item a:hover h3,.news-feature a:hover h3{color:var(--acid)}
.empty{padding:18px;color:var(--muted)}
.download{background:var(--paper);color:var(--ink);overflow:hidden}.download-grid{display:grid;grid-template-columns:1fr .9fr;align-items:center;gap:60px}.download h2{max-width:520px}.download p{color:#627068;max-width:560px;margin:18px 0}.app-panel{background:var(--coal);border-radius:28px;padding:30px;position:relative;color:var(--white);min-height:270px}.app-panel:after{content:"28";position:absolute;right:28px;bottom:-35px;font-size:160px;font-weight:900;color:rgba(183,243,75,.08)}.app-panel h3{color:var(--acid);font-size:24px}.app-points{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:22px 0}.app-points span{font-size:13px;color:#ced7ca;border-bottom:1px solid var(--line);padding-bottom:8px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{border-top:2px solid var(--acid);padding:20px 4px}.step-num{font-size:12px;color:var(--orange);font-weight:900}.step h3{margin:12px 0 7px;font-size:18px}.step p{color:var(--muted);font-size:13px}
.hot-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}.hot-main{background:var(--orange);color:var(--ink);border-radius:var(--radius);padding:32px;min-height:220px}.hot-main h3{font-size:30px;line-height:1.3;margin:20px 0}.hot-side{display:grid;gap:18px}.hot-small{background:var(--paper-2);padding:22px;border-radius:16px}.hot-small h3{font-size:17px;margin:8px 0}
.scene-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.scene-big,.scene-small{border-radius:var(--radius);padding:30px;min-height:230px;background:#dce2d4;color:var(--ink)}.scene-big{background:var(--coal-2);color:var(--white);display:flex;flex-direction:column;justify-content:end}.scene-big h3{font-size:30px;max-width:400px}.scene-big p{color:var(--muted);max-width:440px;margin-top:10px}.scene-stack{display:grid;gap:20px}.scene-small{min-height:105px;padding:22px}.scene-small h3{font-size:19px}.scene-small p{font-size:13px;color:#647169}
.topic-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;grid-auto-rows:minmax(150px,auto);gap:16px}.topic{padding:25px;border-radius:18px;background:var(--coal-2);border:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between}.topic:nth-child(2){background:var(--acid);color:var(--ink)}.topic:nth-child(3){background:#343d39}.topic h3{font-size:21px}.topic small{color:var(--orange)}
.guide{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}.guide-list{display:grid;gap:14px}.guide-list li{list-style:none;background:var(--paper);border-left:3px solid var(--acid-dark);padding:14px 18px;color:var(--ink);border-radius:10px}.guide-list b{margin-right:10px;color:#6e9e24}.notice-bar{display:flex;align-items:center;gap:18px;background:var(--acid);color:var(--ink);padding:20px 25px;border-radius:14px}.notice-bar strong{font-size:18px}.notice-bar p{font-size:13px;flex:1}.notice-bar a{font-weight:800;border-bottom:1px solid var(--ink)}
.faq{max-width:850px;margin:auto}.faq-item{border-bottom:1px solid var(--dark-line)}.faq-q{width:100%;padding:21px 4px;background:none;text-align:left;color:var(--ink);font-weight:800;display:flex;justify-content:space-between;gap:20px}.faq-q span{font-size:22px;color:var(--acid-dark);transition:.2s}.faq-a{display:none;color:#65736b;font-size:14px;padding:0 35px 20px 4px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}
.final-cta{padding:70px 0;background:var(--coal-2)}.final-box{border:1px solid var(--line);border-radius:24px;padding:45px;display:flex;justify-content:space-between;align-items:center;gap:25px}.final-box h2{font-size:34px;line-height:1.25}.final-box p{color:var(--muted);margin-top:8px}
.site-footer{background:#171c1b;padding:60px 0 25px;color:#bac4b9}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px;padding-bottom:45px}.footer-brand{color:var(--white);font-size:20px;font-weight:800}.footer-brand p{font-size:13px;color:var(--muted);font-weight:400;max-width:270px;margin-top:14px}.footer-col h3{font-size:13px;color:var(--acid);margin-bottom:15px}.footer-col a{display:block;font-size:13px;margin:8px 0;color:#adb8ad}.footer-col a:hover{color:var(--acid)}.copyright{border-top:1px solid rgba(255,255,255,.09);padding-top:20px;font-size:12px;color:#7f8a81;display:flex;justify-content:space-between}
@media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding:8px}.hero-grid{gap:35px}.section{padding:80px 0}.footer-grid{grid-template-columns:1.3fr repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.navbar{height:68px}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--coal);padding:18px 16px 25px;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}.nav-links.show{display:flex}.nav-links a{padding:13px 10px}.nav-action{margin-left:auto;padding:8px 12px;font-size:12px}.menu-toggle{display:block}.hero{min-height:auto;padding:85px 0 70px}.hero-grid,.download-grid,.news-layout,.guide,.scene-grid{grid-template-columns:1fr}.hero-art{min-height:300px}.keyword-strip{grid-template-columns:1fr 1fr}.keyword:nth-child(2){border-right:0}.keyword:nth-child(-n+2){border-bottom:1px solid var(--line)}.trend-line{grid-template-columns:1fr 1fr;gap:30px}.trend-line:before{display:none}.steps{grid-template-columns:1fr 1fr}.hot-grid{grid-template-columns:1fr}.topic-grid{grid-template-columns:1fr 1fr}.topic:first-child{grid-column:span 2}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:span 2}.final-box{display:block;padding:30px}.final-box .btn-primary{margin-top:22px}}
@media(max-width:520px){.hero h1{font-size:41px;letter-spacing:-2px}.hero-copy{font-size:15px}.signal-card{width:285px;padding:23px}.signal-card h2{font-size:30px}.section{padding:65px 0}.section-head{display:block;margin-bottom:28px}.section-intro{margin-top:14px}.keyword{padding:18px 12px}.keyword b{font-size:16px}.trend-line,.steps,.topic-grid{grid-template-columns:1fr}.topic:first-child{grid-column:auto}.hot-main h3{font-size:24px}.app-points{grid-template-columns:1fr}.notice-bar{align-items:flex-start;flex-direction:column;gap:8px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin-top:8px}.actions .btn-primary,.actions .btn-secondary{width:100%}}

/* roulang page: category1 */
:root{
    --ink:#171b1b;--coal:#202625;--coal-2:#29302e;--paper:#f2f0e8;--paper-2:#e7e8dd;
    --acid:#b7f34b;--acid-dark:#8fca2e;--orange:#e99555;--white:#f7f7f0;
    --muted:#aeb8ae;--line:rgba(183,243,75,.18);--dark-line:rgba(23,27,27,.14);
    --radius:20px;--shadow:0 18px 45px rgba(10,16,15,.16);--container:1180px
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--coal);color:var(--white);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.75}
  a{color:inherit;text-decoration:none;transition:.25s ease}
  img{max-width:100%;display:block}
  button,input{font:inherit}
  button{cursor:pointer;border:0}
  .container{width:min(var(--container),calc(100% - 48px));margin:auto}
  .site-header{position:sticky;top:0;z-index:20;background:rgba(32,38,37,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
  .navbar{height:76px;display:flex;align-items:center;gap:28px}
  .brand{display:flex;align-items:center;gap:11px;white-space:nowrap}
  .brand-mark{width:37px;height:37px;border-radius:11px;background:var(--acid);color:var(--ink);display:grid;place-items:center;font-size:13px;font-weight:900;transform:rotate(-7deg)}
  .brand-name{font-size:18px;font-weight:800;letter-spacing:-.5px}
  .brand-name small{display:block;color:var(--acid);font-size:10px;line-height:1.1;letter-spacing:2px}
  .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
  .nav-links a{padding:9px 13px;color:#d8ded3;font-size:14px;border-bottom:2px solid transparent}
  .nav-links a:hover,.nav-links a.active{color:var(--acid);border-color:var(--acid)}
  .nav-action,.btn-primary{background:var(--acid);color:var(--ink);font-weight:800;border-radius:10px;padding:11px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
  .nav-action:hover,.btn-primary:hover{background:#cbff71;transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,243,75,.18)}
  .menu-toggle{display:none;background:none;color:var(--white);font-size:25px}
  .page-intro{padding:92px 0 72px;background:var(--coal);position:relative;overflow:hidden}
  .page-intro:after{content:"01";position:absolute;right:7%;top:32px;color:rgba(183,243,75,.08);font-size:180px;font-weight:900;line-height:1}
  .intro-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:end;position:relative;z-index:1}
  .eyebrow,.section-kicker{color:var(--acid);font-size:12px;font-weight:800;letter-spacing:2px}
  h1{font-size:clamp(38px,5vw,68px);line-height:1.14;letter-spacing:-3px;margin:18px 0 22px;max-width:760px}
  .intro-copy{color:#c1cbc0;font-size:17px;max-width:650px}
  .issue-card{border-left:3px solid var(--orange);padding:18px 0 18px 24px;color:#d8ded3}
  .issue-card strong{display:block;color:var(--orange);font-size:34px;line-height:1.2}
  .issue-card span{font-size:13px;color:var(--muted)}
  .section{padding:92px 0}
  .section.light{background:var(--paper);color:var(--ink)}
  .section.soft{background:var(--paper-2);color:var(--ink)}
  .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
  .section h2{font-size:clamp(27px,3.2vw,43px);line-height:1.2;letter-spacing:-1.5px;margin:8px 0 0}
  .section-intro{max-width:510px;color:#718079}
  .filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
  .filter-bar a,.filter-bar span{border:1px solid var(--dark-line);padding:8px 14px;border-radius:8px;font-size:13px;color:#65736b}
  .filter-bar .selected{background:var(--ink);color:var(--acid);border-color:var(--ink)}
  .content-list{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
  .post-feature{background:var(--coal-2);border-radius:var(--radius);padding:32px;border-left:4px solid var(--acid);min-height:300px;display:flex;flex-direction:column;justify-content:space-between}
  .post-feature h3{font-size:27px;line-height:1.4;margin:17px 0}
  .post-feature p,.post-row p{color:var(--muted);font-size:14px}
  .post-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;color:#aab5aa;font-size:12px}
  .tag{display:inline-block;background:rgba(183,243,75,.13);color:var(--acid);padding:3px 9px;border-radius:5px;font-size:11px}
  .tag.orange{background:rgba(233,149,85,.14);color:var(--orange)}
  .post-list{background:#242b29;border-radius:var(--radius);padding:25px 28px}
  .post-row{padding:0 0 18px;margin-bottom:18px;border-bottom:1px solid var(--line)}
  .post-row:last-child{border:0;margin:0;padding:0}
  .post-row h3{font-size:17px;line-height:1.5;margin:7px 0}
  .post-row:hover h3,.post-feature:hover h3{color:var(--acid)}
  .empty-state{color:var(--muted);padding:30px 0}
  .more-link{display:inline-flex;margin-top:30px;color:var(--ink);font-weight:800;border-bottom:2px solid var(--acid-dark);padding-bottom:4px}
  .highlight{display:grid;grid-template-columns:1.4fr .6fr;gap:18px}
  .highlight-main,.highlight-side{border-radius:var(--radius);padding:32px;background:var(--coal);color:var(--white)}
  .highlight-main{min-height:240px;border-top:4px solid var(--orange)}
  .highlight-main h3{font-size:30px;line-height:1.35;margin:20px 0 12px}
  .highlight-side{background:#dfe2d5;color:var(--ink);display:flex;flex-direction:column;justify-content:space-between}
  .highlight-side h3{font-size:21px;line-height:1.45;margin:16px 0}
  .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  .scene-card{padding:25px;border:1px solid var(--dark-line);border-radius:16px;background:rgba(255,255,255,.42);min-height:190px}
  .scene-card strong{display:block;color:var(--acid-dark);font-size:30px;margin-bottom:12px}
  .scene-card h3{font-size:20px;margin:0 0 9px}
  .scene-card p{color:#65736b;font-size:14px;margin:0}
  .guide-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px;align-items:start}
  .guide-list{display:grid;gap:14px;padding:0;margin:0}
  .guide-list li{list-style:none;background:var(--paper);border-left:3px solid var(--acid-dark);padding:17px 20px;color:var(--ink);border-radius:10px}
  .guide-list b{margin-right:12px;color:#6e9e24}
  .note-panel{background:var(--coal-2);border-radius:var(--radius);padding:30px;color:var(--white)}
  .note-panel h3{font-size:25px;margin:0 0 14px}
  .note-panel p{color:var(--muted);margin:0 0 20px}
  .faq{max-width:850px;margin:auto}
  .faq-item{border-bottom:1px solid var(--dark-line)}
  .faq-q{width:100%;padding:20px 4px;background:none;text-align:left;color:var(--ink);font-weight:800;display:flex;justify-content:space-between;gap:20px}
  .faq-q span{font-size:22px;color:var(--acid-dark);transition:.2s}
  .faq-a{display:none;color:#65736b;font-size:14px;padding:0 35px 20px 4px}
  .faq-item.open .faq-a{display:block}
  .faq-item.open .faq-q span{transform:rotate(45deg)}
  .final-cta{padding:68px 0;background:var(--coal-2)}
  .cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}
  .cta-box h2{font-size:clamp(27px,3.5vw,45px);margin:0 0 10px;line-height:1.25}
  .cta-box p{color:var(--muted);margin:0}
  .site-footer{background:#171c1b;padding:60px 0 25px;color:#bac4b9}
  .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px;padding-bottom:45px}
  .footer-brand{color:var(--white);font-size:24px;font-weight:800;margin-bottom:13px}
  .footer-grid p{font-size:13px;max-width:300px;color:#8e9b91}
  .footer-col{display:flex;flex-direction:column;gap:8px}
  .footer-col h3{color:var(--acid);font-size:14px;margin:0 0 8px}
  .footer-col a{font-size:13px;color:#aeb8ae}
  .footer-col a:hover{color:var(--acid)}
  .copyright{border-top:1px solid rgba(247,247,240,.1);padding-top:20px;display:flex;justify-content:space-between;gap:15px;font-size:12px;color:#77847a}
  :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
  @media(max-width:1024px){.nav-links a{padding:8px 8px;font-size:13px}.navbar{gap:14px}.intro-grid{gap:35px}.footer-grid{grid-template-columns:1.3fr repeat(3,1fr)}}
  @media(max-width:768px){.container{width:min(var(--container),calc(100% - 34px))}.navbar{height:68px}.menu-toggle{display:block;margin-left:auto}.nav-action{font-size:13px;padding:9px 12px}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;margin:0;padding:18px;background:var(--coal);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:13px 15px}.intro-grid,.content-list,.highlight,.guide-layout{grid-template-columns:1fr}.page-intro{padding:72px 0 60px}.page-intro:after{font-size:120px;right:3%}.section{padding:70px 0}.section-head{display:block}.section-intro{margin-top:15px}.scene-grid{grid-template-columns:1fr 1fr}.cta-box{display:block}.cta-box .btn-primary{margin-top:24px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:6px}}
  @media(max-width:520px){h1{font-size:39px;letter-spacing:-2px}.intro-copy{font-size:15px}.scene-grid{grid-template-columns:1fr}.post-feature,.post-list{padding:23px}.post-feature h3{font-size:23px}.highlight-main h3{font-size:25px}.footer-grid{grid-template-columns:1fr}.brand-name{font-size:16px}.brand-mark{width:33px;height:33px}.nav-action{display:none}}

/* roulang page: article */
:root{
      --ink:#171b1b;--coal:#202625;--coal-2:#29302e;--paper:#f2f0e8;--paper-2:#e7e8dd;
      --acid:#b7f34b;--acid-dark:#8fca2e;--orange:#e99555;--white:#f7f7f0;
      --muted:#aeb8ae;--line:rgba(183,243,75,.18);--dark-line:rgba(23,27,27,.14);
      --radius:20px;--shadow:0 18px 45px rgba(10,16,15,.16);--container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--coal);color:var(--white);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--acid)}
    img{max-width:100%;height:auto;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(32,38,37,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .navbar{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;white-space:nowrap}
    .brand-mark{width:37px;height:37px;border-radius:11px;background:var(--acid);color:var(--ink);display:grid;place-items:center;font-size:13px;font-weight:900;transform:rotate(-7deg)}
    .brand-name{font-size:18px;font-weight:800;letter-spacing:-.5px}
    .brand-name small{display:block;color:var(--acid);font-size:10px;line-height:1.1;letter-spacing:2px}
    .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav-links a{padding:9px 13px;color:#d8ded3;font-size:14px;border-bottom:2px solid transparent}
    .nav-links a:hover,.nav-links a.active{color:var(--acid);border-color:var(--acid)}
    .nav-action,.btn-primary{background:var(--acid);color:var(--ink);font-weight:800;border-radius:10px;padding:11px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .nav-action:hover,.btn-primary:hover{background:#cbff71;color:var(--ink);transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,243,75,.18)}
    .menu-toggle{display:none;background:none;color:var(--white);font-size:25px}
    .page-intro{padding:74px 0 64px;background:var(--coal);position:relative;overflow:hidden}
    .page-intro:after{content:"ARTICLE / NG28";position:absolute;right:5%;bottom:18px;color:rgba(183,243,75,.1);font-size:clamp(40px,8vw,110px);font-weight:900;letter-spacing:-5px;pointer-events:none}
    .eyebrow,.section-kicker{color:var(--acid);font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase}
    .breadcrumb{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin:0 0 26px;position:relative;z-index:1}
    .breadcrumb a{color:var(--acid)}
    .page-intro h1{position:relative;z-index:1;max-width:900px;margin:16px 0 22px;font-size:clamp(34px,5vw,64px);line-height:1.2;letter-spacing:-2.5px}
    .intro-summary{max-width:760px;color:#c5cec3;font-size:17px;position:relative;z-index:1}
    .article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:28px;color:var(--muted);font-size:13px;position:relative;z-index:1}
    .tag{display:inline-block;background:rgba(183,243,75,.13);color:var(--acid);padding:3px 10px;border-radius:5px;font-size:11px}
    .tag.orange{background:rgba(233,149,85,.14);color:var(--orange)}
    .article-layout{padding:78px 0 100px;background:var(--paper);color:var(--ink)}
    .article-grid{display:grid;grid-template-columns:minmax(0,820px) 270px;gap:70px;align-items:start}
    .article-body{font-size:16px;color:#39433e;line-height:2}
    .article-body h2{font-size:30px;line-height:1.35;color:var(--ink);margin:42px 0 17px;letter-spacing:-1px}
    .article-body h3{font-size:22px;color:var(--ink);margin:32px 0 12px}
    .article-body p{margin:0 0 22px}
    .article-body ul,.article-body ol{padding-left:25px;margin:18px 0 25px}
    .article-body li{margin:8px 0}
    .article-body blockquote{margin:30px 0;padding:21px 25px;border-left:4px solid var(--acid-dark);background:var(--paper-2);color:#59655e;border-radius:0 12px 12px 0}
    .article-body table{width:100%;border-collapse:collapse;margin:28px 0;background:#e9e9df}
    .article-body th,.article-body td{padding:12px 14px;border:1px solid var(--dark-line);text-align:left}
    .article-body th{background:#dfe2d5;color:var(--ink)}
    .article-body img{border-radius:15px;margin:28px 0}
    .article-side{position:sticky;top:105px}
    .side-card{background:var(--coal-2);color:var(--white);border-radius:var(--radius);padding:24px;border-top:3px solid var(--acid);box-shadow:var(--shadow)}
    .side-card h2{font-size:20px;margin:0 0 16px}
    .side-card p{color:var(--muted);font-size:13px;margin:0 0 20px}
    .side-list{margin:0;padding:0;list-style:none}
    .side-list li{padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
    .side-list li:last-child{border-bottom:0}
    .side-list a{display:block}
    .side-list a:before{content:"↗";color:var(--acid);margin-right:8px}
    .article-note{margin-top:52px;background:var(--coal-2);color:var(--white);border-radius:var(--radius);padding:30px;border-left:4px solid var(--orange);display:flex;justify-content:space-between;align-items:center;gap:25px}
    .article-note h2{font-size:23px;margin:0 0 7px}
    .article-note p{color:var(--muted);margin:0;font-size:14px}
    .btn-secondary{border:1px solid rgba(247,247,240,.45);color:var(--white);border-radius:10px;padding:10px 18px;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}
    .btn-secondary:hover{background:var(--white);color:var(--ink);transform:translateY(-2px)}
    .related-section{padding:88px 0;background:var(--coal)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:35px}
    .section h2{font-size:clamp(28px,3.4vw,43px);line-height:1.2;letter-spacing:-1.5px;margin:9px 0 0}
    .section-intro{max-width:510px;color:var(--muted)}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .related-card{background:var(--coal-2);border:1px solid transparent;border-radius:var(--radius);padding:25px;min-height:175px;display:flex;flex-direction:column;justify-content:space-between}
    .related-card:hover{border-color:var(--acid);transform:translateY(-3px)}
    .related-card h3{font-size:19px;line-height:1.45;margin:14px 0 0}
    .related-card p{color:var(--muted);font-size:13px;margin:8px 0 0}
    .faq-section{padding:82px 0;background:var(--paper-2);color:var(--ink)}
    .faq{max-width:850px;margin:auto}
    .faq-item{border-bottom:1px solid var(--dark-line)}
    .faq-q{width:100%;padding:21px 4px;background:none;text-align:left;color:var(--ink);font-weight:800;display:flex;justify-content:space-between;gap:20px}
    .faq-q span{font-size:22px;color:var(--acid-dark);transition:.2s}
    .faq-a{display:none;color:#65736b;font-size:14px;padding:0 35px 20px 4px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span{transform:rotate(45deg)}
    .final-cta{padding:70px 0;background:var(--coal-2)}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta-inner h2{font-size:clamp(27px,4vw,42px);line-height:1.25;margin:8px 0}
    .cta-inner p{color:var(--muted);margin:0}
    .site-footer{background:#171c1b;padding:60px 0 25px;color:#bac4b9}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px;padding-bottom:45px}
    .footer-brand{color:var(--white);font-size:25px;font-weight:800;margin-bottom:12px}
    .footer-grid p{font-size:13px;max-width:300px;color:var(--muted)}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{font-size:15px;color:var(--white);margin:0 0 9px}
    .footer-col a{font-size:13px;color:#aeb8ae}
    .footer-col a:hover{color:var(--acid)}
    .copyright{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#87938a;font-size:12px;flex-wrap:wrap}
    .empty-state{padding:44px 30px;border:1px dashed #9aa69a;border-radius:16px;color:#65736b;text-align:center}
    .empty-state h2{font-size:25px;margin:0 0 8px;color:var(--ink)}
    .empty-state p{margin:0 0 20px}
    :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    @media(max-width:1024px){
      .nav-links a{padding-left:8px;padding-right:8px;font-size:13px}
      .article-grid{grid-template-columns:minmax(0,1fr) 230px;gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .navbar{height:68px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-action{font-size:13px;padding:9px 12px}
      .nav-links{display:none;position:absolute;left:0;right:0;top:68px;background:var(--coal-2);padding:18px;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}
      .nav-links.open{display:flex}
      .nav-links a{padding:13px 10px;border-bottom:1px solid var(--line)}
      .page-intro{padding:55px 0 48px}
      .page-intro h1{letter-spacing:-1.5px}
      .article-layout{padding:55px 0 70px}
      .article-grid{display:block}
      .article-side{position:static;margin-top:45px}
      .article-note,.cta-inner{display:block}
      .article-note .btn-secondary,.cta-inner .btn-primary{margin-top:22px}
      .related-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
    }
    @media(max-width:520px){
      body{font-size:14px}
      .brand-name{font-size:16px}
      .brand-mark{width:33px;height:33px}
      .nav-action{display:none}
      .page-intro h1{font-size:34px}
      .intro-summary{font-size:15px}
      .article-body{font-size:15px}
      .article-body h2{font-size:26px}
      .article-note{padding:23px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:7px}
    }

/* roulang page: category2 */
:root{
      --ink:#171b1b;--coal:#202625;--coal-2:#29302e;--paper:#f2f0e8;--paper-2:#e7e8dd;
      --acid:#b7f34b;--acid-dark:#8fca2e;--orange:#e99555;--white:#f7f7f0;
      --muted:#aeb8ae;--line:rgba(183,243,75,.18);--dark-line:rgba(23,27,27,.14);
      --radius:20px;--shadow:0 18px 45px rgba(10,16,15,.16);--container:1180px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--coal);color:var(--white);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(32,38,37,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .navbar{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;white-space:nowrap}
    .brand-mark{width:37px;height:37px;border-radius:11px;background:var(--acid);color:var(--ink);display:grid;place-items:center;font-size:13px;font-weight:900;transform:rotate(-7deg)}
    .brand-name{font-size:18px;font-weight:800;letter-spacing:-.5px}
    .brand-name small{display:block;color:var(--acid);font-size:10px;line-height:1.1;letter-spacing:2px}
    .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav-links a{padding:9px 13px;color:#d8ded3;font-size:14px;border-bottom:2px solid transparent}
    .nav-links a:hover,.nav-links a.active{color:var(--acid);border-color:var(--acid)}
    .nav-action,.btn-primary{background:var(--acid);color:var(--ink);font-weight:800;border-radius:10px;padding:11px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .nav-action:hover,.btn-primary:hover{background:#cbff71;transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,243,75,.18)}
    .btn-secondary{border:1px solid rgba(247,247,240,.45);color:var(--white);border-radius:10px;padding:10px 18px;display:inline-flex;align-items:center;justify-content:center}
    .btn-secondary:hover{background:var(--white);color:var(--ink);transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;color:var(--white);font-size:25px}
    .page-intro{padding:92px 0 76px;background:var(--coal);position:relative;overflow:hidden}
    .page-intro:after{content:"02";position:absolute;right:8%;bottom:-45px;color:rgba(183,243,75,.08);font-size:190px;font-weight:900;line-height:1}
    .intro-inner{position:relative;z-index:1;max-width:850px}
    .eyebrow,.section-kicker{color:var(--acid);font-size:12px;font-weight:800;letter-spacing:2px}
    h1{font-size:clamp(40px,6vw,76px);line-height:1.12;letter-spacing:-3px;margin:18px 0 22px}
    h1 em{font-style:normal;color:var(--acid)}
    .lead{font-size:18px;color:#c1cbc0;max-width:760px}
    .crumb{color:var(--muted);font-size:13px;margin-bottom:28px}
    .crumb a:hover{color:var(--acid)}
    .section{padding:88px 0}
    .section.light{background:var(--paper);color:var(--ink)}
    .section.soft{background:var(--paper-2);color:var(--ink)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    .section h2{font-size:clamp(28px,3.4vw,44px);line-height:1.2;letter-spacing:-1.5px;margin:8px 0 0}
    .section-intro{max-width:510px;color:#718079}
    .filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
    .filter{padding:9px 15px;border:1px solid rgba(183,243,75,.24);border-radius:8px;color:#dce5d8;background:rgba(255,255,255,.03)}
    .filter.active,.filter:hover{background:var(--acid);color:var(--ink);border-color:var(--acid)}
    .trend-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:22px}
    .trend-feature{min-height:315px;background:var(--coal-2);border-left:4px solid var(--acid);border-radius:var(--radius);padding:32px;display:flex;flex-direction:column;justify-content:space-between}
    .trend-feature h3{font-size:30px;line-height:1.35;margin:17px 0}
    .trend-feature p,.trend-list p{color:var(--muted);font-size:14px}
    .trend-list{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--radius);padding:26px 30px}
    .trend-row{display:grid;grid-template-columns:85px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
    .trend-row:last-child{border-bottom:0}
    .trend-row time{color:var(--orange);font-size:12px;font-weight:800}
    .trend-row h3{font-size:17px;margin:0 0 4px}
    .trend-row a:hover h3{color:var(--acid)}
    .tag{display:inline-block;background:rgba(183,243,75,.13);color:var(--acid);padding:3px 9px;border-radius:5px;font-size:11px}
    .tag.orange{background:rgba(233,149,85,.14);color:var(--orange)}
    .post-list{display:grid;gap:14px}
    .post-card{display:grid;grid-template-columns:110px 1fr auto;gap:22px;align-items:center;background:var(--coal-2);padding:21px 24px;border:1px solid transparent;border-radius:14px}
    .post-card:hover{border-color:var(--acid);transform:translateX(4px)}
    .post-date{color:var(--orange);font-size:12px;font-weight:800}
    .post-card h3{font-size:18px;margin:3px 0 5px}
    .post-card p{margin:0;color:var(--muted);font-size:13px}
    .post-card:hover h3{color:var(--acid)}
    .more-link{display:inline-flex;margin-top:24px;color:var(--acid);font-weight:800;border-bottom:1px solid var(--acid)}
    .scene-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .scene-card{padding:30px;border-radius:var(--radius);border:1px solid var(--dark-line);min-height:190px}
    .scene-card.large{background:var(--coal);color:var(--white);min-height:270px}
    .scene-card h3{font-size:24px;margin:18px 0 8px}
    .scene-card p{color:#718079}
    .scene-card.large p{color:var(--muted)}
    .guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .guide-item{background:var(--paper);border-top:3px solid var(--acid-dark);padding:22px;border-radius:12px}
    .guide-item b{font-size:30px;color:var(--acid-dark);display:block;line-height:1;margin-bottom:17px}
    .guide-item h3{font-size:17px;margin:0 0 7px}
    .guide-item p{font-size:13px;color:#68766e;margin:0}
    .faq{max-width:850px;margin:auto}
    .faq-item{border-bottom:1px solid var(--dark-line)}
    .faq-q{width:100%;padding:20px 4px;background:none;text-align:left;color:var(--ink);font-weight:800;display:flex;justify-content:space-between;gap:20px}
    .faq-q span{font-size:22px;color:var(--acid-dark);transition:.2s}
    .faq-a{display:none;color:#65736b;font-size:14px;padding:0 35px 20px 4px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span{transform:rotate(45deg)}
    .final-cta{padding:70px 0;background:var(--coal-2)}
    .cta-box{display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta-box h2{font-size:clamp(28px,4vw,44px);margin:0 0 8px}
    .cta-box p{color:var(--muted);margin:0}
    .site-footer{background:#171c1b;padding:60px 0 25px;color:#bac4b9}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px;padding-bottom:45px}
    .footer-brand{color:var(--white);font-size:25px;font-weight:800;margin-bottom:13px}
    .footer-grid p{font-size:13px;max-width:300px}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{font-size:14px;color:var(--white);margin:0 0 8px}
    .footer-col a:hover{color:var(--acid)}
    .copyright{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:#829087;font-size:12px}
    :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    @media(max-width:1024px){.nav-links a{padding:8px 7px;font-size:13px}.nav-action{padding:10px 12px}.guide-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.navbar{height:68px}.menu-toggle{display:block;margin-left:auto}.nav-action{display:none}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--coal);padding:18px 16px;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}.nav-links.open{display:flex}.nav-links a{padding:13px 10px}.page-intro{padding:70px 0 60px}.section{padding:65px 0}.section-head,.cta-box{display:block}.section-head .section-intro{margin-top:18px}.trend-layout,.scene-grid{grid-template-columns:1fr}.post-card{grid-template-columns:78px 1fr}.post-card .tag{display:none}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.copyright{display:block}.copyright span{display:block;margin-top:6px}}
    @media(max-width:520px){h1{font-size:42px;letter-spacing:-2px}.lead{font-size:16px}.guide-grid{grid-template-columns:1fr}.post-card{grid-template-columns:1fr;gap:4px;padding:20px}.post-card h3{font-size:17px}.trend-row{grid-template-columns:1fr;gap:4px}.footer-grid{grid-template-columns:1fr}.cta-box .btn-primary{width:100%;margin-top:24px}}

/* roulang page: category3 */
:root{
      --ink:#171b1b;--coal:#202625;--coal-2:#29302e;--paper:#f2f0e8;--paper-2:#e7e8dd;
      --acid:#b7f34b;--acid-dark:#8fca2e;--orange:#e99555;--white:#f7f7f0;
      --muted:#aeb8ae;--line:rgba(183,243,75,.18);--dark-line:rgba(23,27,27,.14);
      --radius:20px;--shadow:0 18px 45px rgba(10,16,15,.16);--container:1180px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--coal);color:var(--white);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(32,38,37,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .navbar{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;white-space:nowrap}
    .brand-mark{width:37px;height:37px;border-radius:11px;background:var(--acid);color:var(--ink);display:grid;place-items:center;font-size:13px;font-weight:900;transform:rotate(-7deg)}
    .brand-name{font-size:18px;font-weight:800;letter-spacing:-.5px}
    .brand-name small{display:block;color:var(--acid);font-size:10px;line-height:1.1;letter-spacing:2px}
    .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav-links a{padding:9px 13px;color:#d8ded3;font-size:14px;border-bottom:2px solid transparent}
    .nav-links a:hover,.nav-links a.active{color:var(--acid);border-color:var(--acid)}
    .nav-action,.btn-primary{background:var(--acid);color:var(--ink);font-weight:800;border-radius:10px;padding:11px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .nav-action:hover,.btn-primary:hover{background:#cbff71;transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,243,75,.18)}
    .menu-toggle{display:none;background:none;color:var(--white);font-size:25px}
    .page-intro{padding:86px 0 78px;background:var(--coal);position:relative;overflow:hidden}
    .page-intro:after{content:"NG28";position:absolute;right:5%;bottom:-35px;color:rgba(183,243,75,.06);font-size:170px;font-weight:900;letter-spacing:-10px}
    .intro-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:end;position:relative;z-index:1}
    .eyebrow,.section-kicker{color:var(--acid);font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-3px;margin:18px 0 20px;max-width:760px}
    h1 em{font-style:normal;color:var(--acid)}
    .intro-copy{max-width:680px;color:#c1cbc0;font-size:17px}
    .index-mark{border-left:2px solid var(--orange);padding-left:20px;color:#dfe5db}
    .index-mark strong{display:block;color:var(--orange);font-size:42px;line-height:1}
    .section{padding:92px 0}
    .section.light{background:var(--paper);color:var(--ink)}
    .section.soft{background:var(--paper-2);color:var(--ink)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section h2{font-size:clamp(28px,3.4vw,44px);line-height:1.2;letter-spacing:-1.5px;margin:9px 0 0}
    .section-intro{max-width:520px;color:#718079}
    .filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
    .filter{border:1px solid rgba(183,243,75,.24);color:#dce5d7;border-radius:7px;padding:8px 13px;font-size:13px}
    .filter.active{background:var(--acid);border-color:var(--acid);color:var(--ink);font-weight:800}
    .feature-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .feature-panel,.mini-panel,.step-card,.scene-card,.guide-box{border-radius:var(--radius);border:1px solid rgba(183,243,75,.13)}
    .feature-panel{padding:38px;background:var(--coal-2);min-height:300px;border-left:4px solid var(--acid);display:flex;flex-direction:column;justify-content:space-between}
    .feature-panel h3{font-size:30px;line-height:1.3;margin:16px 0}
    .feature-panel p,.mini-panel p{color:var(--muted)}
    .mini-stack{display:grid;gap:20px}
    .mini-panel{padding:25px;background:#242b29}
    .mini-panel h3{font-size:19px;margin:0 0 8px}
    .tag{display:inline-block;background:rgba(183,243,75,.13);color:var(--acid);padding:3px 9px;border-radius:5px;font-size:11px}
    .tag.orange{background:rgba(233,149,85,.14);color:var(--orange)}
    .app-zone{display:grid;grid-template-columns:1fr .85fr;gap:65px;align-items:center}
    .app-zone h2{font-size:clamp(30px,4vw,50px)}
    .app-zone p{color:#65736b;max-width:580px}
    .app-card{background:var(--coal);border-radius:26px;padding:28px;min-height:290px;position:relative;box-shadow:var(--shadow);overflow:hidden}
    .app-card:before{content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(183,243,75,.3);border-radius:50%;right:-55px;top:-55px}
    .app-symbol{width:62px;height:62px;background:var(--acid);color:var(--ink);border-radius:17px;display:grid;place-items:center;font-size:19px;font-weight:900;transform:rotate(-8deg)}
    .app-card h3{font-size:29px;margin:30px 0 12px}
    .app-card p{color:var(--muted);font-size:14px}
    .app-note{color:#d9e0d4;font-size:12px;border-top:1px solid var(--line);padding-top:15px;margin-top:25px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .step-card{background:var(--paper);padding:25px;color:var(--ink);min-height:190px}
    .step-no{color:var(--acid-dark);font-size:13px;font-weight:900;letter-spacing:2px}
    .step-card h3{font-size:19px;margin:24px 0 8px}
    .step-card p{color:#68766d;font-size:13px;margin:0}
    .scene-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .scene-card{padding:31px;background:var(--coal-2);min-height:220px}
    .scene-card.wide{background:var(--orange);color:var(--ink);min-height:270px}
    .scene-card h3{font-size:25px;line-height:1.3;margin:16px 0}
    .scene-card p{color:var(--muted);font-size:14px}
    .scene-card.wide p{color:#4c5149}
    .guide-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:start}
    .guide-box{background:var(--paper);padding:28px;color:var(--ink)}
    .guide-box h3{margin-top:0;font-size:22px}
    .guide-list{display:grid;gap:13px;padding:0;margin:22px 0 0}
    .guide-list li{list-style:none;background:#fffef7;border-left:3px solid var(--acid-dark);padding:13px 16px;color:var(--ink);border-radius:9px}
    .guide-list b{margin-right:8px;color:#6e9e24}
    .faq{max-width:850px;margin:auto}
    .faq-item{border-bottom:1px solid var(--dark-line)}
    .faq-q{width:100%;padding:20px 4px;background:none;text-align:left;color:var(--ink);font-weight:800;display:flex;justify-content:space-between;gap:20px}
    .faq-q span{font-size:22px;color:var(--acid-dark);transition:.2s}
    .faq-a{display:none;color:#65736b;font-size:14px;padding:0 35px 20px 4px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span{transform:rotate(45deg)}
    .final-cta{padding:72px 0;background:var(--coal-2)}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta-inner h2{font-size:clamp(28px,4vw,46px);margin:8px 0}
    .cta-inner p{color:var(--muted);margin:0}
    .site-footer{background:#171c1b;padding:60px 0 25px;color:#bac4b9}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px;padding-bottom:45px}
    .footer-brand{color:var(--white);font-size:22px;font-weight:800;margin-bottom:13px}
    .footer-grid p{font-size:13px;max-width:300px}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{color:var(--white);font-size:15px;margin:0 0 8px}
    .footer-col a{font-size:13px;color:#aab5aa}
    .footer-col a:hover{color:var(--acid)}
    .copyright{border-top:1px solid rgba(247,247,240,.1);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#7e8b82;font-size:12px}
    :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    @media(max-width:1024px){.nav-links a{padding:8px 7px;font-size:13px}.navbar{gap:14px}.steps{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .navbar{height:68px}.nav-action{padding:9px 12px;font-size:13px}.menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:0;right:0;top:68px;background:var(--coal);padding:20px 16px;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}
      .nav-links.open{display:flex}.nav-links a{padding:14px 10px;border-bottom:1px solid rgba(183,243,75,.1)}
      .brand-name{font-size:16px}.brand-name small{font-size:8px}
      .page-intro{padding:65px 0}.intro-grid,.feature-layout,.app-zone,.scene-grid,.guide-layout{grid-template-columns:1fr;gap:28px}
      .section{padding:68px 0}.section-head{display:block;margin-bottom:28px}.section-intro{margin-top:18px}
      .app-card{min-height:250px}.cta-inner{display:block}.cta-inner .btn-primary{margin-top:25px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.copyright{display:block}.copyright span{display:block;margin-bottom:8px}
    }
    @media(max-width:520px){
      h1{font-size:39px;letter-spacing:-1.8px}.intro-copy{font-size:15px}.steps{grid-template-columns:1fr}
      .feature-panel,.mini-panel,.scene-card,.guide-box{padding:23px}.footer-grid{grid-template-columns:1fr}
      .nav-action{display:none}.page-intro:after{font-size:100px}
    }

/* roulang page: category4 */
:root{
      --ink:#171b1b;--coal:#202625;--coal-2:#29302e;--paper:#f2f0e8;--paper-2:#e7e8dd;
      --acid:#b7f34b;--acid-dark:#8fca2e;--orange:#e99555;--white:#f7f7f0;
      --muted:#aeb8ae;--line:rgba(183,243,75,.18);--dark-line:rgba(23,27,27,.14);
      --radius:20px;--shadow:0 18px 45px rgba(10,16,15,.16);--container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--coal);color:var(--white);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(32,38,37,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .navbar{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;white-space:nowrap}
    .brand-mark{width:37px;height:37px;border-radius:11px;background:var(--acid);color:var(--ink);display:grid;place-items:center;font-size:13px;font-weight:900;transform:rotate(-7deg)}
    .brand-name{font-size:18px;font-weight:800;letter-spacing:-.5px}
    .brand-name small{display:block;color:var(--acid);font-size:10px;line-height:1.1;letter-spacing:2px}
    .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav-links a{padding:9px 13px;color:#d8ded3;font-size:14px;border-bottom:2px solid transparent}
    .nav-links a:hover,.nav-links a.active{color:var(--acid);border-color:var(--acid)}
    .nav-action,.btn-primary{background:var(--acid);color:var(--ink);font-weight:800;border-radius:10px;padding:11px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .nav-action:hover,.btn-primary:hover{background:#cbff71;transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,243,75,.18)}
    .menu-toggle{display:none;background:none;color:var(--white);font-size:25px}
    .page-intro{padding:86px 0 72px;background:var(--coal);position:relative;overflow:hidden}
    .page-intro:after{content:"专题 / 04";position:absolute;right:6%;bottom:30px;color:rgba(183,243,75,.12);font-size:clamp(50px,9vw,130px);font-weight:900;letter-spacing:-7px}
    .eyebrow,.section-kicker{color:var(--acid);font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase}
    .page-intro h1{max-width:800px;margin:18px 0 18px;font-size:clamp(38px,5.5vw,68px);line-height:1.14;letter-spacing:-3px;position:relative;z-index:1}
    .page-intro h1 em{font-style:normal;color:var(--acid)}
    .intro-copy{max-width:650px;color:#c1cbc0;font-size:17px}
    .crumbs{margin-top:28px;color:var(--muted);font-size:13px}
    .crumbs a:hover{color:var(--acid)}
    .section{padding:92px 0}
    .section.light{background:var(--paper);color:var(--ink)}
    .section.soft{background:var(--paper-2);color:var(--ink)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    .section h2{font-size:clamp(28px,3.4vw,46px);line-height:1.2;letter-spacing:-1.5px;margin:9px 0}
    .section-intro{max-width:520px;color:#718079}
    .filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
    .filter-bar button,.filter-bar span{padding:8px 15px;border:1px solid rgba(247,247,240,.2);border-radius:8px;color:#c9d2c7;background:transparent;font-size:13px}
    .filter-bar button.active,.filter-bar button:hover{background:var(--acid);color:var(--ink);border-color:var(--acid)}
    .content-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:22px}
    .feature-card,.list-panel,.topic-card,.guide-card,.scene-panel{border-radius:var(--radius);border:1px solid var(--line);background:var(--coal-2)}
    .feature-card{padding:34px;min-height:330px;border-left:4px solid var(--acid);display:flex;flex-direction:column;justify-content:space-between}
    .feature-card h3{font-size:30px;line-height:1.35;margin:16px 0}
    .feature-card p,.list-panel p{color:var(--muted)}
    .feature-card .mark{font-size:44px;font-weight:900;color:var(--orange);line-height:1}
    .list-panel{padding:28px}
    .news-item{padding:0 0 19px;margin-bottom:19px;border-bottom:1px solid var(--line)}
    .news-item:last-child{border:0;margin:0;padding:0}
    .news-item h3{font-size:17px;line-height:1.45;margin:6px 0}
    .news-item a:hover h3{color:var(--acid)}
    .news-meta{display:flex;gap:10px;align-items:center;color:#aab5aa;font-size:12px}
    .tag{display:inline-block;background:rgba(183,243,75,.13);color:var(--acid);padding:3px 9px;border-radius:5px;font-size:11px}
    .tag.orange{background:rgba(233,149,85,.14);color:var(--orange)}
    .empty-state{padding:36px 5px;color:var(--muted)}
    .more-link{display:inline-flex;color:var(--acid-dark);font-weight:800;margin-top:25px;border-bottom:1px solid var(--acid-dark)}
    .more-link:hover{color:var(--ink);border-color:var(--ink)}
    .topic-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:16px}
    .topic-card{padding:27px;min-height:190px;color:var(--white);position:relative;overflow:hidden}
    .topic-card:nth-child(2){background:var(--orange);color:var(--ink)}
    .topic-card:nth-child(3){background:#56654d}
    .topic-card h3{font-size:22px;line-height:1.35;margin:24px 0 8px}
    .topic-card p{font-size:13px;color:#c2ccc0}
    .topic-card:nth-child(2) p{color:#394039}
    .topic-no{font-size:12px;color:var(--acid);font-weight:900;letter-spacing:2px}
    .topic-card:nth-child(2) .topic-no{color:var(--ink)}
    .scene-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px;align-items:stretch}
    .scene-panel{background:var(--paper);color:var(--ink);padding:32px}
    .scene-panel h3{font-size:29px;line-height:1.3;margin:14px 0}
    .scene-panel p{color:#68766c}
    .scene-panel.dark{background:var(--coal-2);color:var(--white);border-color:var(--line)}
    .scene-panel.dark p{color:var(--muted)}
    .guide-list{display:grid;gap:12px;margin:0;padding:0}
    .guide-list li{list-style:none;background:var(--paper);border-left:3px solid var(--acid-dark);padding:15px 18px;color:var(--ink);border-radius:10px}
    .guide-list b{margin-right:10px;color:#6e9e24}
    .faq{max-width:850px;margin:auto}
    .faq-item{border-bottom:1px solid var(--dark-line)}
    .faq-q{width:100%;padding:20px 4px;background:none;text-align:left;color:var(--ink);font-weight:800;display:flex;justify-content:space-between;gap:20px}
    .faq-q span{font-size:22px;color:var(--acid-dark);transition:.2s}
    .faq-a{display:none;color:#65736b;font-size:14px;padding:0 35px 20px 4px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span{transform:rotate(45deg)}
    .final-cta{padding:70px 0;background:var(--coal-2)}
    .cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta-box h2{font-size:clamp(28px,4vw,44px);line-height:1.2;margin:10px 0}
    .cta-box p{color:var(--muted);margin:0}
    .site-footer{background:#171c1b;padding:60px 0 25px;color:#bac4b9}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px;padding-bottom:45px}
    .footer-brand{color:var(--white);font-size:24px;font-weight:800;margin-bottom:12px}
    .footer-grid p{max-width:300px;color:#8f9b91;font-size:13px}
    .footer-col h3{color:var(--white);font-size:15px;margin:0 0 15px}
    .footer-col a{display:block;color:#9ca99e;font-size:13px;margin:8px 0}
    .footer-col a:hover{color:var(--acid)}
    .copyright{border-top:1px solid rgba(247,247,240,.1);padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:#77847a;font-size:12px}
    :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    @media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding:8px 8px;font-size:13px}.content-layout,.scene-layout{grid-template-columns:1fr}.topic-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .navbar{height:68px}.nav-action{margin-left:auto;padding:9px 12px;font-size:12px}.menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:0;right:0;top:68px;background:var(--coal);padding:15px 20px 25px;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}
      .nav-links.open{display:flex}.nav-links a{padding:13px 4px}.page-intro{padding:65px 0 60px}.page-intro h1{letter-spacing:-2px}
      .section{padding:68px 0}.section-head{display:block;margin-bottom:26px}.section-intro{margin-top:14px}
      .topic-grid{grid-template-columns:1fr}.feature-card{min-height:290px}.cta-box{display:block}.cta-box .btn-primary{margin-top:24px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-bottom:6px}
    }
    @media(max-width:520px){.brand-name{font-size:15px}.brand-mark{width:33px;height:33px}.nav-action{display:none}.page-intro h1{font-size:38px}.intro-copy{font-size:15px}.feature-card,.list-panel,.scene-panel{padding:23px}.topic-card{min-height:165px}.footer-grid{grid-template-columns:1fr}}