/* roulang page: index */
:root{
      --ink:#171a18;
      --ink-soft:#242925;
      --paper:#f4f3ee;
      --paper-deep:#e9e9e2;
      --lime:#c9f34a;
      --aqua:#8de3d0;
      --muted:#70766f;
      --line:#d6d8d0;
      --white:#fffefa;
      --danger:#c94b45;
      --radius:18px;
      --shadow:0 16px 40px rgba(23,26,24,.08);
      --container:1240px;
      --focus:#7ba400;
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid var(--focus);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:40;
      background:rgba(244,243,238,.94);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(14px);
    }
    .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.04em;font-size:21px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;background:var(--ink);color:var(--lime);display:grid;place-items:center;border-radius:9px;font-size:14px;font-weight:900}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{position:relative;padding:10px 11px;color:#565d56;font-size:13px;transition:.25s ease}
    .nav-links a:after{content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--ink)}
    .nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
    .nav-action,.button-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      background:var(--ink);color:var(--lime);border:1px solid var(--ink);
      padding:12px 18px;border-radius:10px;font-size:13px;font-weight:800;
      transition:transform .25s ease,background .25s ease,color .25s ease,box-shadow .25s ease;
    }
    .nav-action:hover,.button-primary:hover{background:#343c35;color:var(--white);transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,26,24,.16)}
    .nav-action:active,.button-primary:active{transform:translateY(0);box-shadow:none}
    .button-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      border:1px solid var(--ink);color:var(--ink);padding:12px 18px;border-radius:10px;
      font-size:13px;font-weight:800;transition:.25s ease;background:transparent;
    }
    .button-secondary:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px)}
    .button-secondary:active{transform:translateY(0)}
    .button-disabled{opacity:.48;cursor:not-allowed;pointer-events:none}
    .eyebrow{display:flex;align-items:center;gap:10px;color:#6c7469;font-size:11px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--lime)}
    .section{padding:92px 0}
    .section-tight{padding:70px 0}
    .section-dark{background:var(--ink);color:var(--white)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:38px}
    .section-head h2{margin:0;font-size:clamp(30px,4vw,54px);line-height:1.08;letter-spacing:-.065em;font-weight:900}
    .section-head p{max-width:500px;margin:0;color:var(--muted);font-size:15px}
    .section-dark .section-head p{color:#a9b0a7}
    .hero{padding:72px 0 42px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(23,26,24,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(23,26,24,.055) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,black,transparent 82%);pointer-events:none}
    .hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);gap:50px;align-items:center}
    .hero h1{font-size:clamp(48px,7.4vw,104px);line-height:.98;letter-spacing:-.09em;margin:18px 0 25px;font-weight:950;max-width:760px}
    .hero h1 em{font-style:normal;color:#7e9e16}
    .hero-copy{max-width:670px;font-size:18px;color:#5f675e;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero-visual{min-height:460px;position:relative;border-radius:24px;overflow:hidden;background:var(--ink);box-shadow:var(--shadow)}
    .hero-visual>img{width:100%;height:100%;min-height:460px;object-fit:cover;opacity:.58}
    .hero-overlay{position:absolute;inset:0;background:linear-gradient(145deg,rgba(23,26,24,.2),rgba(23,26,24,.86))}
    .hero-note{position:absolute;top:26px;left:26px;color:var(--lime);font-size:11px;letter-spacing:.13em;font-weight:900}
    .cover-sheet{position:absolute;left:28px;right:28px;bottom:28px;background:rgba(244,243,238,.96);color:var(--ink);padding:24px;border-radius:15px;display:grid;grid-template-columns:82px 1fr;gap:18px}
    .cover-index{font-size:44px;line-height:1;font-weight:950;color:#7d9a16}
    .cover-sheet h3{margin:0 0 8px;font-size:20px;line-height:1.2;font-weight:900}
    .cover-sheet p{margin:0;color:#666d64;font-size:13px;line-height:1.7}
    .metric-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:54px}
    .metric{padding:24px 20px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:31px;line-height:1.1;letter-spacing:-.06em}
    .metric span{display:block;color:var(--muted);font-size:12px;margin-top:8px}
    .metric i{display:block;width:62px;height:3px;background:var(--lime);margin-top:14px}
    .news-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px}
    .feature-news{position:relative;min-height:440px;border-radius:var(--radius);overflow:hidden;background:var(--ink);color:var(--white)}
    .feature-news img{width:100%;height:100%;object-fit:cover;opacity:.55;transition:transform .5s ease}
    .feature-news:hover img{transform:scale(1.04)}
    .feature-news-content{position:absolute;inset:auto 30px 28px}
    .feature-news-content h3{font-size:31px;line-height:1.25;letter-spacing:-.05em;margin:10px 0}
    .feature-news-content p{color:#c3c8c0;font-size:14px;margin:0;max-width:600px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:92px 1fr auto;gap:16px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);transition:.25s ease}
    .news-item:hover{padding-left:10px;background:rgba(201,243,74,.08)}
    .news-date{color:#8a9288;font-size:12px}
    .news-item h3{font-size:16px;line-height:1.35;margin:0 0 4px;font-weight:850}
    .news-item p{font-size:12px;color:var(--muted);margin:0}
    .text-arrow{font-weight:900;color:#789616;font-size:13px;white-space:nowrap}
    .matrix{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
    .service-large{grid-column:span 7;min-height:410px;background:var(--ink);color:var(--white);border-radius:var(--radius);padding:32px;position:relative;overflow:hidden}
    .service-large:after{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(201,243,74,.35);border-radius:50%;right:-70px;bottom:-60px}
    .service-large img{position:absolute;right:0;bottom:0;width:47%;height:100%;object-fit:cover;opacity:.48;mix-blend-mode:screen}
    .service-large-content{position:relative;z-index:1;width:63%}
    .service-large h3{font-size:33px;line-height:1.18;margin:22px 0 12px;letter-spacing:-.05em}
    .service-large p{color:#b9c0b7;font-size:14px}
    .service-small{grid-column:span 5;border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:var(--white);transition:.28s ease}
    .service-small:hover,.feature-card:hover,.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b5cc58}
    .service-small:nth-child(3){grid-column:span 4;background:#e8eee1}
    .service-small:nth-child(4){grid-column:span 4}
    .service-small:nth-child(5){grid-column:span 4;background:#dff2ec}
    .number{font-size:12px;color:#829b27;font-weight:900;letter-spacing:.14em}
    .service-small h3{font-size:21px;line-height:1.25;margin:25px 0 9px}
    .service-small p{font-size:13px;color:var(--muted);margin:0}
    .service-small a{display:inline-block;margin-top:20px;font-size:13px;font-weight:850}
    .intro-block{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px;align-items:start}
    .intro-block h2{font-size:clamp(30px,4vw,54px);line-height:1.08;letter-spacing:-.07em;margin:0;font-weight:900}
    .intro-copy p{font-size:16px;color:#5d655c;margin:0 0 20px}
    .intro-copy p:last-child{margin-bottom:0}
    .campaign{display:grid;grid-template-columns:1fr 1fr;min-height:370px;background:#dcebb8;border-radius:var(--radius);overflow:hidden}
    .campaign-copy{padding:42px}
    .campaign-copy h2{font-size:42px;line-height:1.08;letter-spacing:-.07em;margin:16px 0}
    .campaign-copy p{max-width:500px;color:#59614f}
    .campaign-image{position:relative;min-height:300px}
    .campaign-image img{width:100%;height:100%;object-fit:cover}
    .campaign-label{position:absolute;right:20px;top:20px;background:var(--ink);color:var(--lime);padding:8px 12px;border-radius:7px;font-size:11px;font-weight:900}
    .guide-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:42px}
    .guide-lead{background:var(--ink);color:var(--white);padding:34px;border-radius:var(--radius);min-height:300px}
    .guide-lead h2{font-size:38px;line-height:1.1;letter-spacing:-.06em;margin:18px 0}
    .guide-lead p{color:#b8c0b6;font-size:14px}
    .guide-steps{border-top:1px solid var(--line)}
    .guide-step{display:grid;grid-template-columns:52px 1fr;gap:18px;padding:21px 0;border-bottom:1px solid var(--line)}
    .guide-step b{font-size:23px;color:#829d18}
    .guide-step h3{margin:0 0 5px;font-size:18px}
    .guide-step p{margin:0;color:var(--muted);font-size:13px}
    .result-panel{background:var(--ink);border-radius:22px;padding:44px;color:var(--white);display:grid;grid-template-columns:.8fr 1.2fr;gap:56px}
    .result-panel h2{font-size:46px;line-height:1.05;letter-spacing:-.07em;margin:15px 0}
    .result-panel .lead{color:#b4bdb3;font-size:14px}
    .compare-list{border-top:1px solid #424a42}
    .compare-row{display:grid;grid-template-columns:1fr 1fr 74px;gap:18px;align-items:center;padding:21px 0;border-bottom:1px solid #424a42}
    .compare-row h3{font-size:15px;margin:0 0 4px}
    .compare-row p{font-size:12px;color:#99a49a;margin:0}
    .bar{height:6px;background:#3b443d;border-radius:20px;overflow:hidden;margin-top:9px}
    .bar span{display:block;height:100%;background:var(--lime);border-radius:20px}
    .compare-tag{color:var(--lime);font-size:12px;font-weight:900;text-align:right}
    .editorial{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
    .editorial-image{border-radius:var(--radius);overflow:hidden;background:#d5ded5}
    .editorial-image img{width:100%;height:450px;object-fit:cover;transition:.5s ease}
    .editorial-image:hover img{transform:scale(1.035)}
    .editorial-copy h2{font-size:43px;line-height:1.08;letter-spacing:-.07em;margin:16px 0}
    .editorial-copy p{color:#5d655c;font-size:15px}
    .quote{border-left:3px solid var(--lime);padding:9px 0 9px 18px;margin:25px 0;color:#333b32;font-weight:750}
    .topics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .topic-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.28s ease}
    .topic-card img{width:100%;height:180px;object-fit:cover}
    .topic-card-body{padding:22px}
    .topic-card h3{font-size:20px;line-height:1.25;margin:10px 0}
    .topic-card p{font-size:13px;color:var(--muted);margin:0 0 15px}
    .app-stage{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;background:#e1eee9;border-radius:22px;padding:42px}
    .app-stage h2{font-size:43px;line-height:1.08;letter-spacing:-.07em;margin:15px 0}
    .app-stage p{color:#59645e;max-width:570px}
    .app-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:26px}
    .app-point{padding:17px;border:1px solid #c8d5ce;background:rgba(255,254,250,.64);border-radius:12px}
    .app-point strong{display:block;font-size:15px}
    .app-point span{display:block;color:#6a746c;font-size:12px;margin-top:5px}
    .app-visual{background:var(--ink);padding:24px;border-radius:18px;min-height:330px;position:relative;color:var(--white);overflow:hidden}
    .app-visual:before{content:"";position:absolute;inset:20px;border:1px solid #455046;border-radius:14px}
    .app-screen{position:relative;z-index:1;margin:27px;background:#eef2e6;color:var(--ink);padding:24px;border-radius:12px;min-height:250px}
    .screen-top{display:flex;justify-content:space-between;color:#7d951c;font-size:11px;font-weight:900}
    .screen-title{font-size:25px;line-height:1.1;font-weight:950;margin:25px 0}
    .screen-lines{display:grid;gap:10px}
    .screen-lines span{height:8px;background:#cbd7be;border-radius:20px}
    .screen-lines span:nth-child(2){width:72%}
    .screen-lines span:nth-child(3){width:45%}
    .safety{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .safety-item{padding:26px 0;border-top:2px solid var(--ink)}
    .safety-item b{font-size:31px;color:#7e9c19}
    .safety-item h3{font-size:19px;margin:12px 0 6px}
    .safety-item p{font-size:13px;color:var(--muted);margin:0}
    .faq-wrap{display:grid;grid-template-columns:.65fr 1.35fr;gap:60px}
    .faq-intro h2{font-size:44px;line-height:1.07;letter-spacing:-.07em;margin:16px 0}
    .faq-intro p{color:var(--muted);font-size:14px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;border:0;background:transparent;display:flex;justify-content:space-between;gap:18px;text-align:left;padding:21px 0;font-weight:850;font-size:16px;color:var(--ink)}
    .faq-question span:last-child{font-size:22px;color:#7d9a18;transition:.25s}
    .faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--muted);font-size:14px}
    .faq-answer p{margin:0;padding:0 38px 21px 0}
    .faq-item.open .faq-answer{max-height:180px}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .about-block{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px}
    .about-block h2{font-size:44px;line-height:1.08;letter-spacing:-.07em;margin:16px 0}
    .about-block p{color:#5e665d;font-size:15px}
    .about-stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
    .about-stat{background:var(--paper);padding:28px;min-height:150px}
    .about-stat strong{display:block;font-size:31px;line-height:1.1;color:#789518}
    .about-stat span{display:block;color:var(--muted);font-size:13px;margin-top:10px}
    .form-section{background:var(--ink);color:var(--white);padding:72px 0}
    .form-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px}
    .form-section h2{font-size:48px;line-height:1.05;letter-spacing:-.07em;margin:16px 0}
    .form-section .form-lead{color:#adb7ac;font-size:15px}
    .contact-lines{margin-top:32px;border-top:1px solid #404940}
    .contact-line{display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid #404940;padding:15px 0;font-size:13px;color:#b9c2b8}
    .contact-line b{color:var(--lime)}
    .lead-form{background:#f0f2e9;color:var(--ink);border-radius:18px;padding:28px}
    .field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .field{display:flex;flex-direction:column;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{font-size:12px;font-weight:850;color:#4f594e}
    .field input,.field select,.field textarea{width:100%;border:1px solid #cdd2c9;background:#fffefa;border-radius:9px;padding:12px 13px;color:var(--ink);transition:.2s}
    .field textarea{min-height:116px;resize:vertical}
    .field input:hover,.field select:hover,.field textarea:hover{border-color:#9bae5c}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:#7a971a;box-shadow:0 0 0 3px rgba(201,243,74,.35);outline:none}
    .privacy{font-size:11px;color:#7a8177;margin:15px 0}
    .form-status{display:none;padding:10px 12px;border-radius:8px;margin-bottom:14px;font-size:13px}
    .form-status.error{display:block;background:#fce6e2;color:var(--danger)}
    .form-status.success{display:block;background:#e0f2c4;color:#4e7114}
    .footer{background:#111411;color:#edf0e9;padding:58px 0 30px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .7fr .9fr 1fr;gap:40px;padding-bottom:45px;border-bottom:1px solid #343b34}
    .footer .brand{color:var(--white)}
    .footer-desc{color:#9ba59a;font-size:13px;max-width:340px;margin-top:18px}
    .footer h3{font-size:13px;color:var(--lime);margin:0 0 15px}
    .footer a{display:block;color:#abb4aa;font-size:13px;margin:8px 0;transition:.2s}
    .footer a:hover{color:var(--lime);padding-left:4px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#879087;font-size:11px;padding-top:24px}
    .mobile-tabs{display:none}
    @media(max-width:1024px){
      .nav-links a{padding-left:7px;padding-right:7px;font-size:12px}
      .hero-grid,.news-grid,.intro-block,.guide-grid,.result-panel,.editorial,.app-stage,.faq-wrap,.about-block,.form-grid{gap:32px}
      .hero-grid{grid-template-columns:1fr 1fr}
      .hero h1{font-size:clamp(50px,7vw,78px)}
      .service-large{grid-column:span 7}.service-small{grid-column:span 5}
      .service-small:nth-child(3),.service-small:nth-child(4),.service-small:nth-child(5){grid-column:span 4}
      .footer-grid{grid-template-columns:1.2fr .8fr .8fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--container))}
      .nav-wrap{height:68px}.nav-links{display:none}.nav-action{margin-left:auto;padding:10px 13px}
      .section{padding:64px 0}.section-tight{padding:52px 0}
      .hero{padding:54px 0 25px}.hero-grid,.news-grid,.intro-block,.guide-grid,.result-panel,.editorial,.app-stage,.faq-wrap,.about-block,.form-grid{grid-template-columns:1fr}
      .hero h1{font-size:clamp(48px,14vw,78px)}
      .hero-copy{font-size:16px}
      .hero-visual{min-height:370px}.hero-visual>img{min-height:370px}
      .metric-strip{grid-template-columns:1fr 1fr;margin-top:35px}
      .metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .section-head{display:block;margin-bottom:28px}.section-head p{margin-top:15px}
      .feature-news{min-height:340px}.news-item{grid-template-columns:70px 1fr}.news-item .text-arrow{grid-column:2}
      .service-large,.service-small,.service-small:nth-child(3),.service-small:nth-child(4),.service-small:nth-child(5){grid-column:1}
      .service-large{min-height:390px}.service-large-content{width:75%}.service-large img{width:55%}
      .campaign{grid-template-columns:1fr}.campaign-copy{padding:30px}.campaign-copy h2{font-size:36px}.campaign-image{height:270px}
      .result-panel{padding:28px 22px}.result-panel h2,.faq-intro h2,.about-block h2,.form-section h2{font-size:39px}
      .compare-row{grid-template-columns:1fr 58px;gap:12px}.compare-row>div:nth-child(2){grid-column:1/-1}
      .editorial-image img{height:320px}
      .topics{grid-template-columns:1fr 1fr}.topic-card img{height:140px}.topic-card-body{padding:16px}
      .app-stage{padding:26px 20px}.app-stage h2{font-size:37px}.app-points{grid-template-columns:1fr}
      .safety{grid-template-columns:1fr;gap:26px}.safety-item{padding:20px 0}
      .field-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.lead-form{padding:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}
      body{padding-bottom:72px}.mobile-tabs{display:grid;position:fixed;z-index:50;bottom:0;left:0;right:0;grid-template-columns:repeat(5,1fr);background:rgba(17,20,17,.97);border-top:1px solid #414941;padding:8px 8px max(8px,env(safe-area-inset-bottom));box-shadow:0 -8px 22px rgba(0,0,0,.14)}
      .mobile-tabs a{text-align:center;color:#9da79c;font-size:10px;padding:5px 2px}.mobile-tabs a.active{color:var(--lime)}.tab-icon{display:block;font-size:18px;line-height:1.2;margin-bottom:2px}
    }
    @media(max-width:520px){
      .hero-actions a{width:100%}.cover-sheet{left:16px;right:16px;bottom:16px;padding:17px;grid-template-columns:56px 1fr}.cover-index{font-size:32px}.cover-sheet h3{font-size:17px}
      .topics{grid-template-columns:1fr}.topic-card img{height:190px}.footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
    }

/* roulang page: category3 */
:root{
      --ink:#171a18;
      --ink-soft:#242925;
      --paper:#f4f3ee;
      --paper-deep:#e9e9e2;
      --lime:#c9f34a;
      --aqua:#8de3d0;
      --muted:#70766f;
      --line:#d6d8d0;
      --white:#fffefa;
      --danger:#c94b45;
      --radius:18px;
      --shadow:0 16px 40px rgba(23,26,24,.08);
      --container:1240px;
      --focus:#7ba400;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;color:var(--ink);background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.75;-webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:40;background:rgba(244,243,238,.94);
      border-bottom:1px solid var(--line);backdrop-filter:blur(14px);
    }
    .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.04em;font-size:21px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;background:var(--ink);color:var(--lime);display:grid;place-items:center;border-radius:9px;font-size:14px;font-weight:900}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{position:relative;padding:10px 11px;color:#565d56;font-size:13px;transition:.25s ease}
    .nav-links a:after{content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--ink)}
    .nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
    .nav-action,.button-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--ink);color:var(--lime);
      border:1px solid var(--ink);padding:12px 18px;border-radius:10px;font-size:13px;font-weight:800;
      transition:transform .25s ease,background .25s ease,color .25s ease,box-shadow .25s ease;
    }
    .nav-action:hover,.button-primary:hover{background:#343c35;color:var(--white);transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,26,24,.16)}
    .nav-action:active,.button-primary:active{transform:translateY(0);box-shadow:none}
    .button-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid var(--ink);color:var(--ink);
      padding:12px 18px;border-radius:10px;font-size:13px;font-weight:800;transition:.25s ease;background:transparent;
    }
    .button-secondary:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px)}
    .button-secondary:active{transform:translateY(0)}
    .button-primary:focus-visible,.button-secondary:focus-visible,.nav-action:focus-visible,.nav-links a:focus-visible,.faq-button:focus-visible,.footer a:focus-visible,.mobile-tab a:focus-visible{
      outline:3px solid var(--focus);outline-offset:3px
    }
    .eyebrow{display:flex;align-items:center;gap:10px;color:#6c7469;font-size:11px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--lime)}
    .section{padding:92px 0}
    .section-tight{padding:68px 0}
    .section-dark{background:var(--ink);color:var(--white)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:38px}
    .section-head h2{margin:0;font-size:clamp(30px,4vw,54px);line-height:1.08;letter-spacing:-.065em;font-weight:900}
    .section-head p{max-width:510px;margin:0;color:var(--muted);font-size:15px}
    .section-dark .section-head p{color:#aeb5ac}
    .page-hero{position:relative;padding:74px 0 58px;overflow:hidden}
    .page-hero:before{
      content:"";position:absolute;inset:0;pointer-events:none;opacity:.7;
      background-image:linear-gradient(rgba(23,26,24,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(23,26,24,.055) 1px,transparent 1px);
      background-size:42px 42px;mask-image:linear-gradient(to bottom,black,transparent 94%);
    }
    .hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,.95fr) minmax(400px,1.05fr);gap:48px;align-items:center}
    .hero-index{font-size:12px;letter-spacing:.15em;font-weight:900;color:#71821c;margin-bottom:14px}
    .hero-title{font-size:clamp(49px,7vw,96px);line-height:.98;letter-spacing:-.09em;font-weight:950;margin:0 0 25px;max-width:720px}
    .hero-title em{font-style:normal;color:#789616}
    .hero-copy{margin:0;max-width:650px;font-size:18px;line-height:1.9;color:#586158}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .visual-panel{position:relative;min-height:472px;overflow:hidden;border-radius:24px;background:var(--ink);box-shadow:var(--shadow)}
    .visual-panel>img{width:100%;height:472px;object-fit:cover;opacity:.59}
    .visual-panel:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(23,26,24,.12),rgba(23,26,24,.85))}
    .visual-caption{position:absolute;left:28px;bottom:27px;right:28px;z-index:2;color:var(--white)}
    .visual-caption small{display:block;color:var(--lime);font-size:11px;letter-spacing:.13em;font-weight:900}
    .visual-caption strong{display:block;max-width:370px;font-size:26px;line-height:1.22;letter-spacing:-.05em;margin-top:8px}
    .float-data{position:absolute;right:23px;top:23px;z-index:3;width:188px;padding:16px 17px;background:rgba(23,26,24,.91);border:1px solid rgba(201,243,74,.44);border-radius:13px;color:var(--white)}
    .float-data span{display:block;color:var(--aqua);font-size:10px;font-weight:900;letter-spacing:.12em}
    .float-data b{display:block;font-size:31px;line-height:1.1;letter-spacing:-.06em;margin:6px 0}
    .float-data p{margin:0;color:#bac0b8;font-size:11px;line-height:1.55}
    .metric-strip{position:relative;margin-top:38px;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
    .metric{padding:21px 23px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,254,250,.38)}
    .metric b{display:block;font-size:29px;line-height:1;letter-spacing:-.06em}
    .metric span{display:block;font-size:12px;color:var(--muted);margin-top:8px}
    .content-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.55fr);gap:56px}
    .article-lead{font-size:20px;line-height:1.9;margin:0 0 24px;color:#303730}
    .article-body p{font-size:16px;color:#505850;margin:0 0 20px}
    .article-body h3{font-size:27px;line-height:1.25;letter-spacing:-.05em;margin:42px 0 16px}
    .signal-list{margin:30px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}
    .signal-list li{display:grid;grid-template-columns:50px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
    .signal-list b{font-size:12px;color:#789616;letter-spacing:.1em}
    .signal-list strong{display:block;font-size:17px;line-height:1.35;margin-bottom:5px}
    .signal-list span{display:block;color:var(--muted);font-size:14px;line-height:1.7}
    .side-panel{align-self:start;position:sticky;top:98px;padding:26px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius)}
    .side-panel h2{font-size:17px;margin:0 0 15px;letter-spacing:-.04em}
    .side-panel a{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-top:1px solid var(--line);font-size:14px;font-weight:750;transition:.2s ease}
    .side-panel a:hover{padding-left:7px;color:#789616}
    .side-note{margin-top:23px;padding:17px;background:var(--paper-deep);border-radius:12px;font-size:13px;color:#5d655d;line-height:1.75}
    .featured-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .feature-story{position:relative;min-height:490px;border-radius:var(--radius);overflow:hidden;background:var(--ink);color:var(--white)}
    .feature-story img{width:100%;height:100%;object-fit:cover;opacity:.49;transition:transform .5s ease}
    .feature-story:hover img{transform:scale(1.035)}
    .feature-story .story-copy{position:absolute;left:31px;right:31px;bottom:28px}
    .story-copy .tag,.tag{display:inline-flex;align-items:center;border:1px solid rgba(201,243,74,.45);color:var(--lime);padding:4px 9px;border-radius:999px;font-size:10px;font-weight:900;letter-spacing:.08em}
    .story-copy h3{font-size:35px;line-height:1.12;letter-spacing:-.065em;margin:14px 0 12px}
    .story-copy p{color:#d0d5ce;font-size:14px;margin:0;max-width:580px}
    .support-stories{display:grid;gap:20px}
    .support-story{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);transition:.25s ease}
    .support-story:hover{transform:translateY(-4px);border-color:#a9c448;box-shadow:var(--shadow)}
    .support-story .num{font-size:12px;font-weight:900;color:#789616}
    .support-story h3{font-size:22px;line-height:1.2;letter-spacing:-.05em;margin:16px 0 10px}
    .support-story p{font-size:14px;color:var(--muted);margin:0 0 16px}
    .text-arrow{font-size:13px;font-weight:900;color:#789616}
    .compare-wrap{background:var(--ink);border-radius:24px;overflow:hidden}
    .compare-intro{padding:42px 43px 30px;border-bottom:1px solid rgba(255,255,255,.14)}
    .compare-intro h2{font-size:clamp(31px,4vw,52px);line-height:1.08;letter-spacing:-.065em;margin:0;color:var(--white)}
    .compare-intro p{max-width:680px;color:#b6bdb5;margin:17px 0 0;font-size:15px}
    .compare-row{display:grid;grid-template-columns:1.05fr 1fr 1fr;min-height:145px;border-bottom:1px solid rgba(255,255,255,.14)}
    .compare-row:last-child{border-bottom:none}
    .compare-name,.compare-before,.compare-after{padding:25px 28px}
    .compare-name{color:var(--white);border-right:1px solid rgba(255,255,255,.14)}
    .compare-name b{font-size:20px;display:block;letter-spacing:-.04em}
    .compare-name span{font-size:13px;color:#aeb5ac;display:block;margin-top:7px;line-height:1.65}
    .compare-before{border-right:1px solid rgba(255,255,255,.14);color:#c4c9c2}
    .compare-after{color:var(--white);background:rgba(201,243,74,.08)}
    .compare-row small{display:block;font-size:10px;font-weight:900;letter-spacing:.12em;margin-bottom:8px;color:#8f988e}
    .compare-after small{color:var(--lime)}
    .compare-row strong{display:block;font-size:16px;line-height:1.45}
    .compare-row p{margin:6px 0 0;font-size:12px;line-height:1.65;color:#aeb5ac}
    .method-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}
    .method-image{height:100%;min-height:420px;position:relative;border-radius:var(--radius);overflow:hidden}
    .method-image img{height:100%;min-height:420px;width:100%;object-fit:cover}
    .method-image:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(23,26,24,.75),transparent 60%)}
    .method-image span{position:absolute;z-index:1;bottom:24px;left:24px;right:24px;color:var(--white);font-size:18px;font-weight:850;line-height:1.45}
    .steps{border-top:1px solid var(--line)}
    .step{display:grid;grid-template-columns:78px 1fr;gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}
    .step-no{font-size:29px;line-height:1;font-weight:950;color:#88a91c;letter-spacing:-.07em}
    .step h3{font-size:21px;line-height:1.25;margin:0 0 8px;letter-spacing:-.04em}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .reading-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px}
    .reading-note{padding:34px;background:var(--paper-deep);border-radius:var(--radius);border-left:4px solid var(--lime)}
    .reading-note h2{font-size:35px;line-height:1.12;letter-spacing:-.06em;margin:14px 0 18px}
    .reading-note p{font-size:15px;color:#555d55;margin:0 0 17px}
    .reading-note ul{padding:0;margin:22px 0 0;list-style:none}
    .reading-note li{padding:11px 0;border-top:1px solid #ced0c8;font-size:14px;font-weight:700}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:98px 1fr auto;gap:17px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);transition:.25s ease}
    .news-item:hover{background:rgba(201,243,74,.09);padding-left:10px}
    .news-item time{font-size:12px;font-weight:850;color:#758019}
    .news-item h3{font-size:17px;line-height:1.35;margin:0 0 5px;letter-spacing:-.03em}
    .news-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
    .scene-band{display:grid;grid-template-columns:1fr 1.1fr;gap:42px;align-items:center;padding:45px;border-radius:24px;background:var(--white);border:1px solid var(--line)}
    .scene-band h2{font-size:clamp(31px,4vw,49px);line-height:1.08;letter-spacing:-.06em;margin:13px 0}
    .scene-band p{color:var(--muted);font-size:15px;margin:0}
    .scene-items{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .scene-item{padding:20px;border:1px solid var(--line);border-radius:13px;background:var(--paper);transition:.25s ease}
    .scene-item:hover{border-color:#a9c448;transform:translateY(-3px)}
    .scene-item b{display:block;font-size:16px;line-height:1.3;margin-bottom:7px}
    .scene-item span{display:block;color:var(--muted);font-size:13px;line-height:1.65}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:54px}
    .faq-intro h2{font-size:clamp(34px,4vw,55px);line-height:1.06;letter-spacing:-.07em;margin:13px 0 16px}
    .faq-intro p{color:#aeb5ac;font-size:15px;margin:0;max-width:390px}
    .faq-list{border-top:1px solid rgba(255,255,255,.22)}
    .faq-item{border-bottom:1px solid rgba(255,255,255,.22)}
    .faq-button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;background:none;border:0;color:var(--white);text-align:left;font-size:17px;font-weight:800}
    .faq-button i{font-style:normal;color:var(--lime);font-size:25px;font-weight:400;transition:transform .25s ease}
    .faq-button[aria-expanded="true"] i{transform:rotate(45deg)}
    .faq-answer{display:none;padding:0 38px 20px 0;color:#b7beb5;font-size:14px;line-height:1.8}
    .faq-item.open .faq-answer{display:block}
    .cta-box{display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;padding:48px;border-radius:24px;background:var(--lime);color:var(--ink)}
    .cta-box h2{font-size:clamp(34px,4vw,54px);line-height:1.06;letter-spacing:-.07em;margin:13px 0 15px}
    .cta-box p{margin:0;font-size:16px;line-height:1.8;max-width:530px}
    .cta-panel{padding:25px;background:rgba(255,254,250,.62);border:1px solid rgba(23,26,24,.18);border-radius:15px}
    .cta-panel strong{display:block;font-size:20px;line-height:1.35;margin-bottom:10px}
    .cta-panel p{font-size:14px;margin-bottom:20px}
    .footer{background:var(--ink);color:var(--white);padding:68px 0 34px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr .95fr;gap:38px}
    .footer .brand{color:var(--white)}
    .footer-desc{max-width:330px;color:#aeb5ac;font-size:14px;line-height:1.8;margin:18px 0 0}
    .footer h3{font-size:13px;color:var(--lime);letter-spacing:.08em;margin:0 0 13px}
    .footer-grid a:not(.brand){display:block;color:#c1c7bf;font-size:13px;padding:5px 0;transition:.2s ease}
    .footer-grid a:not(.brand):hover{color:var(--lime);padding-left:4px}
    .footer-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;border-top:1px solid rgba(255,255,255,.16);margin-top:46px;padding-top:23px;color:#959d94;font-size:12px}
    .mobile-tab{display:none}
    @media(max-width:1100px){
      .nav-links a{padding-left:7px;padding-right:7px;font-size:12px}
      .nav-action{padding:11px 13px}
      .hero-grid{grid-template-columns:1fr .9fr;gap:30px}
      .content-layout,.faq-layout{gap:34px}
    }
    @media(max-width:850px){
      .nav-wrap{gap:15px}.nav-links{display:none}.nav-action{margin-left:auto}
      .page-hero{padding-top:54px}.hero-grid,.content-layout,.featured-grid,.method-grid,.reading-grid,.scene-band,.faq-layout,.cta-box{grid-template-columns:1fr}
      .visual-panel{min-height:390px}.visual-panel>img{height:390px}
      .metric-strip{grid-template-columns:1fr 1fr}
      .side-panel{position:static;display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.side-panel h2,.side-note{grid-column:1/-1}
      .method-image{min-height:300px}.method-image img{min-height:300px}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:1/-1}
    }
    @media(max-width:640px){
      body{padding-bottom:77px}.container{width:min(var(--container),calc(100% - 32px))}
      .nav-wrap{height:66px}.brand{font-size:19px}.brand-mark{width:31px;height:31px}.nav-action{font-size:12px;padding:9px 12px}
      .section{padding:64px 0}.section-tight{padding:48px 0}
      .section-head{display:block;margin-bottom:27px}.section-head p{margin-top:14px}
      .page-hero{padding:42px 0 34px}.hero-title{font-size:52px}.hero-copy{font-size:16px}.hero-actions{margin-top:24px}
      .visual-panel,.visual-panel>img{min-height:328px;height:328px}.float-data{right:15px;top:15px;width:163px}.visual-caption{left:19px;right:19px;bottom:19px}.visual-caption strong{font-size:21px}
      .metric{padding:17px 15px}.metric b{font-size:24px}.metric span{font-size:11px}
      .article-lead{font-size:18px}.article-body p{font-size:15px}.article-body h3{font-size:24px}
      .feature-story{min-height:390px}.feature-story .story-copy{left:22px;right:22px;bottom:22px}.story-copy h3{font-size:29px}
      .compare-intro{padding:29px 22px 24px}.compare-row{grid-template-columns:1fr}.compare-name,.compare-before,.compare-after{padding:19px 22px;border-right:0;border-bottom:1px solid rgba(255,255,255,.14)}.compare-after{border-bottom:0}
      .step{grid-template-columns:52px 1fr;gap:15px}.step-no{font-size:23px}
      .news-item{grid-template-columns:74px 1fr}.news-item .text-arrow{grid-column:2}.news-item p{font-size:12px}
      .scene-band,.cta-box{padding:27px 22px}.scene-items{grid-template-columns:1fr}.cta-box h2{font-size:37px}
      .faq-button{font-size:16px}.footer{padding-top:52px}.footer-grid{grid-template-columns:1fr 1fr;gap:29px}.footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}
      .mobile-tab{position:fixed;z-index:50;display:grid;grid-template-columns:repeat(5,1fr);align-items:center;left:0;right:0;bottom:0;padding:7px 7px calc(7px + env(safe-area-inset-bottom));background:rgba(255,254,250,.96);border-top:1px solid var(--line);backdrop-filter:blur(12px);box-shadow:0 -8px 22px rgba(23,26,24,.07)}
      .mobile-tab a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:52px;font-size:10px;color:#697069;font-weight:750}
      .mobile-tab svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8}.mobile-tab a.active{color:var(--ink)}.mobile-tab a.active svg{stroke:#789616}
    }

/* roulang page: category1 */
:root{
      --ink:#171a18;
      --ink-soft:#242925;
      --paper:#f4f3ee;
      --paper-deep:#e9e9e2;
      --lime:#c9f34a;
      --aqua:#8de3d0;
      --muted:#70766f;
      --line:#d6d8d0;
      --white:#fffefa;
      --danger:#c94b45;
      --radius:18px;
      --shadow:0 16px 40px rgba(23,26,24,.08);
      --container:1240px;
      --focus:#7ba400;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid var(--focus);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:40;
      background:rgba(244,243,238,.94);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(14px);
    }
    .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.04em;font-size:21px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;background:var(--ink);color:var(--lime);display:grid;place-items:center;border-radius:9px;font-size:14px;font-weight:900}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{position:relative;padding:10px 11px;color:#565d56;font-size:13px;transition:.25s ease}
    .nav-links a:after{content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--ink)}
    .nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
    .nav-action,.button-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      background:var(--ink);color:var(--lime);border:1px solid var(--ink);
      padding:12px 18px;border-radius:10px;font-size:13px;font-weight:800;
      transition:transform .25s ease,background .25s ease,color .25s ease,box-shadow .25s ease;
    }
    .nav-action:hover,.button-primary:hover{background:#343c35;color:var(--white);transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,26,24,.16)}
    .nav-action:active,.button-primary:active{transform:translateY(0);box-shadow:none}
    .button-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      border:1px solid var(--ink);color:var(--ink);padding:12px 18px;border-radius:10px;
      font-size:13px;font-weight:800;transition:.25s ease;background:transparent;
    }
    .button-secondary:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px)}
    .button-secondary:active{transform:translateY(0)}
    .button-disabled{opacity:.48;cursor:not-allowed;pointer-events:none}
    .eyebrow{display:flex;align-items:center;gap:10px;color:#6c7469;font-size:11px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--lime)}
    .section{padding:88px 0}
    .section-tight{padding:62px 0}
    .section-dark{background:var(--ink);color:var(--white)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:38px}
    .section-head h2{margin:0;font-size:clamp(30px,4vw,54px);line-height:1.08;letter-spacing:-.065em;font-weight:900}
    .section-head p{max-width:510px;margin:0;color:var(--muted);font-size:15px}
    .section-dark .section-head p{color:#a9b0a7}
    .hero{padding:72px 0 34px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(23,26,24,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(23,26,24,.055) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,black,transparent 82%);pointer-events:none}
    .hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(390px,.82fr);gap:52px;align-items:center}
    .hero h1{font-size:clamp(48px,7vw,94px);line-height:.98;letter-spacing:-.09em;margin:18px 0 25px;font-weight:950;max-width:760px}
    .hero h1 em{font-style:normal;color:#7e9e16}
    .hero-copy{max-width:670px;font-size:18px;color:#5f675e;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero-visual{min-height:430px;position:relative;border-radius:24px;overflow:hidden;background:var(--ink);box-shadow:var(--shadow)}
    .hero-visual>img{width:100%;height:100%;min-height:430px;object-fit:cover;opacity:.58}
    .hero-overlay{position:absolute;inset:0;background:linear-gradient(145deg,rgba(23,26,24,.1),rgba(23,26,24,.9))}
    .hero-note{position:absolute;top:26px;left:26px;color:var(--lime);font-size:11px;letter-spacing:.13em;font-weight:900}
    .hero-panel{position:absolute;left:25px;right:25px;bottom:25px;border:1px solid rgba(201,243,74,.34);background:rgba(23,26,24,.78);padding:20px;border-radius:14px}
    .hero-panel h2{font-size:26px;line-height:1.2;margin:0 0 10px;color:var(--white)}
    .hero-panel p{font-size:13px;color:#c2c9be;margin:0}
    .release-row{display:flex;align-items:center;gap:18px;margin-top:19px}
    .count-ring{width:72px;height:72px;border-radius:50%;border:5px solid rgba(201,243,74,.2);border-top-color:var(--lime);border-right-color:var(--lime);display:grid;place-items:center;color:var(--lime);font-size:18px;font-weight:900;flex:none}
    .release-meta{font-size:12px;color:#aeb7aa}
    .dot-list{display:flex;gap:7px;margin-top:9px}
    .dot-list i{width:7px;height:7px;border-radius:50%;background:#667066}
    .dot-list i.active{background:var(--lime);width:22px;border-radius:5px}
    .metric-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .metric{padding:25px 22px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:34px;line-height:1;color:var(--ink);letter-spacing:-.06em}
    .metric span{display:block;color:var(--muted);font-size:12px;margin-top:8px}
    .metric small{display:block;color:#7e9e16;font-size:11px;margin-top:8px}
    .intro-layout{display:grid;grid-template-columns:.68fr 1.32fr;gap:54px;align-items:start}
    .intro-layout h2{font-size:clamp(32px,4vw,60px);line-height:1.05;letter-spacing:-.07em;margin:0}
    .copy-block{font-size:16px;color:#5d655c}
    .copy-block p{margin:0 0 18px}
    .copy-block p:last-child{margin-bottom:0}
    .topic-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}
    .topic-list{border-top:1px solid var(--line)}
    .topic-item{display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:start;padding:25px 0;border-bottom:1px solid var(--line);transition:.25s ease}
    .topic-item:hover{padding-left:12px;background:rgba(201,243,74,.08)}
    .topic-number{color:#879f29;font-size:14px;font-weight:900;letter-spacing:.08em}
    .topic-item h3{font-size:22px;line-height:1.25;margin:0 0 8px;letter-spacing:-.04em}
    .topic-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
    .topic-arrow{font-size:23px;color:#7e9e16}
    .side-box{background:var(--ink);color:var(--white);border-radius:var(--radius);padding:25px;position:sticky;top:100px}
    .side-box h3{font-size:22px;margin:0 0 16px;line-height:1.2}
    .side-box p{font-size:13px;color:#b8c0b5;margin:0 0 18px}
    .side-links{border-top:1px solid rgba(255,255,255,.18)}
    .side-links a{display:flex;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.18);font-size:13px;color:#e2e7df;transition:.2s}
    .side-links a:hover{color:var(--lime);padding-left:5px}
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}
    .tag{border:1px solid var(--line);padding:5px 10px;border-radius:6px;font-size:11px;color:#626a61;background:rgba(255,255,255,.25)}
    .side-box .tag{border-color:rgba(201,243,74,.35);color:var(--lime);background:transparent}
    .image-story{display:grid;grid-template-columns:1.06fr .94fr;gap:0;background:var(--paper-deep);border-radius:var(--radius);overflow:hidden}
    .image-story img{width:100%;height:100%;min-height:380px;object-fit:cover}
    .story-copy{padding:46px 48px}
    .story-copy h2{font-size:clamp(29px,3.5vw,48px);line-height:1.1;letter-spacing:-.065em;margin:15px 0 20px}
    .story-copy p{color:#5e665d;font-size:15px}
    .story-points{display:grid;grid-template-columns:1fr 1fr;gap:17px;margin-top:28px}
    .story-point{border-top:2px solid var(--ink);padding-top:10px}
    .story-point strong{display:block;font-size:14px}
    .story-point span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
    .compare-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:44px;align-items:start}
    .compare-intro h2{font-size:clamp(34px,4vw,60px);line-height:1.03;letter-spacing:-.07em;margin:14px 0}
    .compare-intro p{color:#aeb6ab;font-size:15px}
    .compare-list{border-top:1px solid rgba(255,255,255,.2)}
    .compare-item{display:grid;grid-template-columns:1fr 1.2fr 90px;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.2)}
    .compare-item h3{font-size:16px;margin:0;color:var(--white)}
    .compare-item p{margin:0;color:#aeb6ab;font-size:13px}
    .bar{height:7px;background:#39413b;border-radius:8px;overflow:hidden}
    .bar i{display:block;height:100%;background:var(--lime);border-radius:8px}
    .compare-label{color:var(--lime);font-weight:900;font-size:13px;text-align:right}
    .deep-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
    .deep-card{padding:32px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);min-height:260px}
    .deep-card.dark{background:var(--ink);color:var(--white);border-color:var(--ink)}
    .deep-card h3{font-size:27px;line-height:1.18;margin:14px 0}
    .deep-card p{font-size:14px;color:#626a61;margin:0 0 15px}
    .deep-card.dark p{color:#b5beb3}
    .check-list{list-style:none;padding:0;margin:22px 0 0}
    .check-list li{position:relative;padding-left:22px;border-top:1px solid var(--line);padding-top:10px;margin-top:10px;font-size:13px}
    .check-list li:before{content:"+";position:absolute;left:0;color:#7e9e16;font-weight:900}
    .deep-card.dark .check-list li{border-color:rgba(255,255,255,.17)}
    .news-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px}
    .feature-news{position:relative;min-height:390px;border-radius:var(--radius);overflow:hidden;background:var(--ink);color:var(--white)}
    .feature-news img{width:100%;height:100%;object-fit:cover;opacity:.55;transition:transform .5s ease}
    .feature-news:hover img{transform:scale(1.04)}
    .feature-news-content{position:absolute;inset:auto 30px 28px}
    .feature-news-content h3{font-size:31px;line-height:1.25;letter-spacing:-.05em;margin:10px 0}
    .feature-news-content p{color:#c3c8c0;font-size:14px;margin:0;max-width:600px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:88px 1fr auto;gap:16px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line);transition:.25s ease}
    .news-item:hover{padding-left:10px;background:rgba(201,243,74,.08)}
    .news-date{font-size:12px;color:#879087}
    .news-item h3{font-size:15px;line-height:1.35;margin:0 0 4px;font-weight:850}
    .news-item p{font-size:12px;color:var(--muted);margin:0}
    .text-arrow{font-weight:900;color:#789616;font-size:13px;white-space:nowrap}
    .faq-layout{display:grid;grid-template-columns:.62fr 1.38fr;gap:55px;align-items:start}
    .faq-layout h2{font-size:clamp(34px,4vw,58px);line-height:1.04;letter-spacing:-.07em;margin:15px 0}
    .faq-layout>div>p{color:var(--muted);font-size:15px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;border:0;background:transparent;padding:20px 0;color:var(--ink);font-size:16px;font-weight:850}
    .faq-question span:last-child{font-size:22px;font-weight:400;color:#7e9e16;transition:.25s}
    .faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;color:#656d64;font-size:14px}
    .faq-answer p{margin:0 0 19px}
    .faq-item.open .faq-answer{max-height:180px}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-box{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;padding:48px;background:var(--ink);border-radius:var(--radius);color:var(--white)}
    .cta-box h2{font-size:clamp(32px,4vw,56px);line-height:1.05;letter-spacing:-.07em;margin:14px 0}
    .cta-box p{color:#b8c0b6;font-size:15px;max-width:470px}
    .cta-note{margin-top:24px;color:var(--lime);font-size:12px}
    .contact-form{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .field{display:flex;flex-direction:column;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{font-size:12px;color:#cdd4c9;font-weight:700}
    .field input,.field select,.field textarea{width:100%;border:1px solid #485149;background:#202621;color:var(--white);border-radius:9px;padding:12px 13px;outline:none;transition:.2s}
    .field input::placeholder,.field textarea::placeholder{color:#7f897e}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,243,74,.13)}
    .field textarea{min-height:105px;resize:vertical}
    .form-bottom{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:4px}
    .privacy{font-size:11px;color:#8f9a8e}
    .submit-btn{border:1px solid var(--lime);background:var(--lime);color:var(--ink);padding:12px 20px;border-radius:9px;font-size:13px;font-weight:900;transition:.25s}
    .submit-btn:hover{background:var(--white);border-color:var(--white);transform:translateY(-2px)}
    .submit-btn:active{transform:translateY(0)}
    .submit-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
    .form-message{grid-column:1/-1;font-size:13px;color:var(--lime);min-height:20px}
    .footer{background:#101310;color:var(--white);padding:62px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr .9fr;gap:35px}
    .footer-desc{color:#9da69a;font-size:13px;max-width:310px;margin:20px 0 0}
    .footer h3{font-size:13px;margin:4px 0 15px;color:var(--lime)}
    .footer-grid>div>a:not(.brand){display:block;color:#aeb7ac;font-size:13px;margin:8px 0;transition:.2s}
    .footer-grid>div>a:not(.brand):hover{color:var(--lime);padding-left:4px}
    .footer-bottom{border-top:1px solid #30372f;margin-top:45px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#7f897e;font-size:11px}
    .mobile-tabs{display:none}
    .section-index{font-size:11px;color:#849186;font-weight:900;letter-spacing:.13em}
    @media(max-width:1024px){
      .nav-links{gap:0}
      .nav-links a{padding-left:7px;padding-right:7px;font-size:12px}
      .nav-action{padding:11px 13px}
      .hero-grid{grid-template-columns:1fr .9fr;gap:28px}
      .topic-layout,.compare-wrap,.faq-layout{gap:28px}
    }
    @media(max-width:768px){
      body{padding-bottom:74px}
      .container{width:min(var(--container),calc(100% - 32px))}
      .nav-wrap{height:68px;gap:12px}
      .nav-links{display:none}
      .nav-action{margin-left:auto;padding:10px 12px;font-size:12px}
      .hero{padding:52px 0 25px}
      .hero-grid,.intro-layout,.topic-layout,.image-story,.compare-wrap,.deep-grid,.news-grid,.faq-layout,.cta-box{grid-template-columns:1fr}
      .hero h1{font-size:clamp(47px,14vw,78px)}
      .hero-copy{font-size:16px}
      .hero-visual{min-height:350px;margin-top:10px}
      .hero-visual>img{min-height:350px}
      .metric-strip{grid-template-columns:1fr 1fr}
      .metric:nth-child(2){border-right:0}
      .metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .section{padding:64px 0}
      .section-tight{padding:46px 0}
      .section-head{display:block;margin-bottom:28px}
      .section-head h2{margin-bottom:14px}
      .topic-item{grid-template-columns:42px 1fr 22px;gap:10px}
      .topic-item h3{font-size:19px}
      .side-box{position:static}
      .image-story img{min-height:260px}
      .story-copy{padding:30px 25px}
      .compare-item{grid-template-columns:1fr 78px;gap:11px}
      .compare-item p{grid-column:1/-1;grid-row:2}
      .compare-label{grid-column:2;grid-row:1}
      .bar{grid-column:1/-1;grid-row:3}
      .news-item{grid-template-columns:72px 1fr}
      .news-item .text-arrow{grid-column:2}
      .footer{padding-bottom:35px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:8px}
      .contact-form{grid-template-columns:1fr}
      .field.full,.form-bottom,.form-message{grid-column:auto}
      .form-bottom{display:block}
      .form-bottom .submit-btn{width:100%;margin-top:14px}
      .mobile-tabs{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);bottom:0;left:0;right:0;z-index:60;background:rgba(23,26,24,.97);border-top:1px solid #3b443a;padding:8px 8px calc(8px + env(safe-area-inset-bottom));box-shadow:0 -8px 25px rgba(0,0,0,.13)}
      .mobile-tabs a{display:flex;flex-direction:column;align-items:center;gap:2px;color:#99a398;font-size:10px;padding:4px 0;border-radius:7px}
      .mobile-tabs a:hover,.mobile-tabs a.active{color:var(--lime);background:#2d352d}
      .mobile-tabs b{font-size:17px;line-height:1;font-weight:500}
    }
    @media(max-width:520px){
      .brand{font-size:18px}
      .brand-mark{width:31px;height:31px}
      .nav-action span{display:none}
      .hero-actions a{width:100%}
      .hero-panel{left:15px;right:15px;bottom:15px;padding:16px}
      .hero-panel h2{font-size:21px}
      .release-row{gap:12px}
      .metric{padding:19px 15px}
      .metric strong{font-size:28px}
      .story-points{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
    }

/* roulang page: category2 */
:root{
      --ink:#171a18;
      --ink-soft:#242925;
      --paper:#f4f3ee;
      --paper-deep:#e9e9e2;
      --lime:#c9f34a;
      --aqua:#8de3d0;
      --muted:#70766f;
      --line:#d6d8d0;
      --white:#fffefa;
      --danger:#c94b45;
      --radius:18px;
      --shadow:0 16px 40px rgba(23,26,24,.08);
      --container:1240px;
      --focus:#7ba400;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:40;
      background:rgba(244,243,238,.94);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(14px);
    }
    .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.04em;font-size:21px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;background:var(--ink);color:var(--lime);display:grid;place-items:center;border-radius:9px;font-size:14px;font-weight:900}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{position:relative;padding:10px 11px;color:#565d56;font-size:13px;transition:.25s ease}
    .nav-links a:after{content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--ink)}
    .nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
    .nav-action,.button-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      background:var(--ink);color:var(--lime);border:1px solid var(--ink);
      padding:12px 18px;border-radius:10px;font-size:13px;font-weight:800;
      transition:transform .25s ease,background .25s ease,color .25s ease,box-shadow .25s ease;
    }
    .nav-action:hover,.button-primary:hover{background:#343c35;color:var(--white);transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,26,24,.16)}
    .nav-action:active,.button-primary:active{transform:translateY(0);box-shadow:none}
    .nav-action:focus-visible,.button-primary:focus-visible,.button-secondary:focus-visible,.faq-question:focus-visible,.mobile-tab:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
    .button-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      border:1px solid var(--ink);color:var(--ink);padding:12px 18px;border-radius:10px;
      font-size:13px;font-weight:800;transition:.25s ease;background:transparent;
    }
    .button-secondary:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px)}
    .button-secondary:active{transform:translateY(0)}
    .button-disabled{opacity:.48;cursor:not-allowed;pointer-events:none}
    .eyebrow{display:flex;align-items:center;gap:10px;color:#6c7469;font-size:11px;font-weight:900;letter-spacing:.14em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--lime)}
    .section{padding:92px 0}
    .section-tight{padding:70px 0}
    .section-dark{background:var(--ink);color:var(--white)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:38px}
    .section-head h2{margin:0;font-size:clamp(30px,4vw,54px);line-height:1.08;letter-spacing:-.065em;font-weight:900}
    .section-head p{max-width:500px;margin:0;color:var(--muted);font-size:15px}
    .section-dark .section-head p{color:#a9b0a7}
    .hero{
      padding:70px 0 50px;
      position:relative;
      overflow:hidden;
      background:var(--paper);
    }
    .hero-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(420px,1.1fr);gap:46px;align-items:stretch;position:relative}
    .hero-copy{padding:28px 0 15px}
    .hero h1{font-size:clamp(48px,7vw,96px);line-height:.98;letter-spacing:-.09em;margin:20px 0 26px;font-weight:950;max-width:680px}
    .hero h1 em{font-style:normal;color:#7e9e16}
    .hero-intro{max-width:600px;font-size:18px;color:#5f675e;line-height:1.9;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero-art{position:relative;min-height:500px;border-radius:24px;overflow:hidden;background:var(--ink);box-shadow:var(--shadow)}
    .hero-art img{width:100%;height:100%;min-height:500px;object-fit:cover;opacity:.7;transition:transform .6s ease}
    .hero-art:hover img{transform:scale(1.035)}
    .hero-art:after{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(23,26,24,.08),rgba(23,26,24,.86))}
    .hero-art-label{position:absolute;z-index:2;top:25px;left:27px;color:var(--lime);font-size:12px;font-weight:900;letter-spacing:.18em}
    .hero-art-title{position:absolute;z-index:2;left:28px;bottom:30px;max-width:350px;color:var(--white);font-size:31px;font-weight:900;line-height:1.22;letter-spacing:-.05em}
    .hero-art-title small{display:block;color:#c7cec2;font-size:13px;line-height:1.7;font-weight:500;letter-spacing:0;margin-top:12px}
    .hero-ribbon{position:absolute;z-index:3;right:22px;top:22px;background:var(--lime);color:var(--ink);padding:9px 12px;border-radius:8px;font-size:11px;font-weight:900;writing-mode:vertical-rl}
    .stat-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:54px}
    .stat{padding:22px 18px;border-right:1px solid var(--line)}
    .stat:last-child{border-right:0}
    .stat strong{display:block;font-size:32px;line-height:1;font-weight:950;letter-spacing:-.06em}
    .stat span{display:block;margin-top:8px;color:var(--muted);font-size:12px}
    .stat i{display:block;width:42px;height:3px;background:var(--lime);margin-top:15px}
    .intro-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:48px;align-items:start}
    .intro-lead{font-size:25px;font-weight:850;line-height:1.4;letter-spacing:-.045em}
    .intro-copy p{margin:0 0 18px;color:#555e55;font-size:15px}
    .intro-copy p:last-child{margin-bottom:0}
    .timeline{position:relative;margin-top:25px}
    .timeline:before{content:"";position:absolute;left:20px;top:10px;bottom:10px;width:1px;background:#bec4b8}
    .step{position:relative;display:grid;grid-template-columns:42px 1fr;gap:22px;padding:0 0 36px}
    .step:last-child{padding-bottom:0}
    .step-number{position:relative;z-index:2;width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:var(--paper);border:1px solid var(--ink);font-size:12px;font-weight:900}
    .step:nth-child(2) .step-number{background:var(--lime)}
    .step h3{font-size:22px;margin:0 0 7px;line-height:1.25;letter-spacing:-.04em}
    .step p{margin:0;color:var(--muted);font-size:14px;max-width:700px}
    .step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px}
    .tag{display:inline-flex;border:1px solid var(--line);border-radius:7px;padding:4px 9px;color:#626a61;font-size:11px}
    .topic-panel{background:var(--ink);border-radius:var(--radius);padding:44px;color:var(--white);position:relative;overflow:hidden}
    .topic-panel:before{content:"项目说明 / 02";position:absolute;right:30px;top:25px;color:#687164;font-size:11px;letter-spacing:.12em}
    .topic-panel h2{font-size:clamp(32px,4.6vw,62px);line-height:1.04;letter-spacing:-.07em;margin:0 0 20px;max-width:700px}
    .topic-panel p{color:#b9c0b6;max-width:720px;font-size:15px}
    .panel-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:end}
    .panel-list{border-top:1px solid #495148;margin-top:30px}
    .panel-list div{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid #495148;color:#dce1d8;font-size:14px}
    .panel-list b{color:var(--lime);font-size:12px}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .compare-box{padding:32px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
    .compare-box.dark{background:var(--ink);color:var(--white);border-color:var(--ink)}
    .compare-box h3{margin:0 0 24px;font-size:22px;letter-spacing:-.04em}
    .compare-row{display:grid;grid-template-columns:120px 1fr 50px;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
    .dark .compare-row{border-color:#434a43}
    .compare-row span{font-size:12px;color:var(--muted)}
    .dark .compare-row span{color:#aeb6ac}
    .bar{height:6px;background:#e3e5dd;border-radius:10px;overflow:hidden}
    .bar i{display:block;height:100%;background:var(--lime);border-radius:10px}
    .compare-row b{font-size:12px;text-align:right}
    .faq-wrap{max-width:930px;margin:0 auto}
    .faq-item{border-top:1px solid var(--line)}
    .faq-item:last-child{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;border:0;background:transparent;text-align:left;padding:22px 0;color:var(--ink);font-size:17px;font-weight:850}
    .faq-question span:last-child{font-size:24px;font-weight:400;transition:transform .25s ease}
    .faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--muted);font-size:14px}
    .faq-answer p{margin:0 50px 22px 0}
    .faq-item.open .faq-answer{max-height:180px}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-section{padding:80px 0;background:var(--aqua)}
    .cta-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start}
    .cta-section h2{font-size:clamp(34px,5vw,62px);line-height:1.05;letter-spacing:-.075em;margin:15px 0}
    .cta-section p{color:#40554e;max-width:480px}
    .contact-form{background:var(--white);border:1px solid rgba(23,26,24,.12);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .field{display:flex;flex-direction:column;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{font-size:12px;font-weight:900}
    .field input,.field select,.field textarea{width:100%;border:1px solid var(--line);background:#fafaf5;border-radius:9px;padding:12px 13px;color:var(--ink);outline:none;transition:.2s ease}
    .field textarea{min-height:112px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:#9aa098}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--focus);box-shadow:0 0 0 3px rgba(123,164,0,.15)}
    .form-note{font-size:11px;color:#737c72;margin:15px 0 0}
    .form-status{font-size:13px;color:#567600;margin-top:12px;display:none}
    .form-status.show{display:block}
    .related{display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:stretch}
    .related-feature{background:var(--paper-deep);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;justify-content:space-between}
    .related-feature h3{font-size:30px;line-height:1.15;letter-spacing:-.05em;margin:15px 0}
    .related-feature p{color:var(--muted);font-size:14px}
    .related-links{display:grid;gap:10px}
    .related-links a{border:1px solid var(--line);background:var(--white);padding:16px 18px;border-radius:11px;display:flex;justify-content:space-between;align-items:center;font-weight:800;font-size:14px;transition:.25s ease}
    .related-links a:hover{border-color:#a8bd4b;transform:translateX(5px)}
    .footer{background:var(--ink);color:var(--white);padding:65px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr .9fr;gap:42px}
    .footer-desc{color:#aab2a8;max-width:330px;font-size:13px;margin-top:20px}
    .footer h3{font-size:12px;color:var(--lime);margin:5px 0 17px;letter-spacing:.1em}
    .footer-grid>div>a:not(.brand){display:block;color:#bfc6bc;font-size:13px;margin:8px 0;transition:.2s ease}
    .footer-grid>div>a:not(.brand):hover{color:var(--lime);transform:translateX(3px)}
    .footer-bottom{border-top:1px solid #3d443d;margin-top:48px;padding-top:20px;display:flex;flex-wrap:wrap;gap:12px 28px;color:#8d978c;font-size:11px}
    .mobile-tabs{display:none}
    @media(max-width:1024px){
      .nav-links{gap:0}
      .nav-links a{padding-left:7px;padding-right:7px;font-size:12px}
      .nav-links a:after{left:7px;right:7px}
      .hero-grid{grid-template-columns:1fr 1fr;gap:28px}
      .hero-art,.hero-art img{min-height:430px}
      .footer-grid{grid-template-columns:1.2fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:2}
    }
    @media(max-width:768px){
      body{padding-bottom:74px}
      .container{width:min(var(--container),calc(100% - 32px))}
      .nav-wrap{height:68px;gap:14px}
      .nav-links{display:none}
      .nav-action{margin-left:auto;padding:10px 12px;font-size:12px}
      .hero{padding:42px 0 30px}
      .hero-grid,.intro-layout,.panel-grid,.compare,.cta-grid,.related{grid-template-columns:1fr}
      .hero h1{font-size:clamp(47px,15vw,76px)}
      .hero-intro{font-size:16px}
      .hero-art,.hero-art img{min-height:370px}
      .stat-strip{grid-template-columns:repeat(2,1fr);margin-top:32px}
      .stat:nth-child(2){border-right:0}
      .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .section{padding:66px 0}
      .section-tight{padding:52px 0}
      .section-head{display:block;margin-bottom:28px}
      .section-head p{margin-top:14px}
      .intro-lead{font-size:23px}
      .topic-panel{padding:30px 24px}
      .topic-panel:before{display:none}
      .compare-row{grid-template-columns:92px 1fr 42px;gap:9px}
      .cta-section{padding:60px 0}
      .contact-form{padding:22px}
      .form-grid{grid-template-columns:1fr}
      .field.full{grid-column:auto}
      .footer{padding-bottom:30px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-grid>div:last-child{grid-column:auto}
      .footer-bottom{display:block;line-height:2}
      .footer-bottom span{display:block;margin-bottom:5px}
      .mobile-tabs{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;height:68px;z-index:50;background:rgba(23,26,24,.97);border-top:1px solid #414941;padding-bottom:env(safe-area-inset-bottom)}
      .mobile-tab{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:#9fa99d;font-size:10px}
      .mobile-tab strong{font-size:18px;line-height:1;color:#c8d0c5;font-weight:500}
      .mobile-tab.active,.mobile-tab.active strong{color:var(--lime)}
    }
    @media(max-width:520px){
      .hero-art-title{font-size:25px;left:20px;bottom:22px}
      .hero-art-label{left:20px;top:20px}
      .hero-ribbon{right:15px;top:15px}
      .step{gap:15px}
      .step-number{width:36px;height:36px}
      .timeline:before{left:17px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:auto}
      .button-primary,.button-secondary{width:100%}
      .hero-actions{display:grid}
    }

/* roulang page: category4 */
:root{
      --ink:#171a18;
      --ink-soft:#242925;
      --paper:#f4f3ee;
      --paper-deep:#e9e9e2;
      --lime:#c9f34a;
      --aqua:#8de3d0;
      --muted:#70766f;
      --line:#d6d8d0;
      --white:#fffefa;
      --danger:#c94b45;
      --radius:18px;
      --shadow:0 16px 40px rgba(23,26,24,.08);
      --container:1240px;
      --focus:#7ba400;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid var(--focus);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:40;
      background:rgba(244,243,238,.94);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(14px);
    }
    .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.04em;font-size:21px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;background:var(--ink);color:var(--lime);display:grid;place-items:center;border-radius:9px;font-size:14px;font-weight:900}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{position:relative;padding:10px 11px;color:#565d56;font-size:13px;transition:.25s ease}
    .nav-links a:after{content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--ink)}
    .nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
    .nav-action,.button-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      background:var(--ink);color:var(--lime);border:1px solid var(--ink);
      padding:12px 18px;border-radius:10px;font-size:13px;font-weight:800;
      transition:transform .25s ease,background .25s ease,color .25s ease,box-shadow .25s ease;
    }
    .nav-action:hover,.button-primary:hover{background:#343c35;color:var(--white);transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,26,24,.16)}
    .nav-action:active,.button-primary:active{transform:translateY(0);box-shadow:none}
    .button-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      border:1px solid var(--ink);color:var(--ink);padding:12px 18px;border-radius:10px;
      font-size:13px;font-weight:800;transition:.25s ease;background:transparent;
    }
    .button-secondary:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px)}
    .button-secondary:active{transform:translateY(0)}
    .button-disabled{opacity:.48;cursor:not-allowed;pointer-events:none}
    .eyebrow{display:flex;align-items:center;gap:10px;color:#6c7469;font-size:11px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--lime)}
    .section{padding:88px 0}
    .section-tight{padding:62px 0}
    .section-dark{background:var(--ink);color:var(--white)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:38px}
    .section-head h2{margin:0;font-size:clamp(30px,4vw,54px);line-height:1.08;letter-spacing:-.065em;font-weight:900}
    .section-head p{max-width:520px;margin:0;color:var(--muted);font-size:15px}
    .section-dark .section-head p{color:#a9b0a7}
    .hero{
      position:relative;padding:70px 0 46px;overflow:hidden;
      background-image:linear-gradient(rgba(23,26,24,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(23,26,24,.055) 1px,transparent 1px);
      background-size:44px 44px;
    }
    .hero:after{content:"";position:absolute;right:-180px;top:-220px;width:520px;height:520px;border:1px solid rgba(126,158,22,.24);border-radius:50%;box-shadow:0 0 0 26px rgba(126,158,22,.05),0 0 0 52px rgba(126,158,22,.04);pointer-events:none}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:end}
    .hero h1{font-size:clamp(48px,7.2vw,98px);line-height:.99;letter-spacing:-.09em;margin:18px 0 24px;font-weight:950;max-width:780px}
    .hero h1 em{font-style:normal;color:#7e9e16}
    .hero-copy{max-width:680px;color:#5f675e;font-size:18px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero-panel{position:relative;min-height:330px;border-radius:24px;overflow:hidden;background:var(--ink);box-shadow:var(--shadow)}
    .hero-panel img{width:100%;height:330px;object-fit:cover;opacity:.58}
    .hero-panel:after{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(23,26,24,.1),rgba(23,26,24,.9))}
    .panel-caption{position:absolute;z-index:2;left:28px;right:28px;bottom:25px}
    .panel-caption h2{margin:8px 0 5px;font-size:27px;line-height:1.2;letter-spacing:-.05em}
    .panel-caption p{margin:0;color:#c4cbc2;font-size:13px}
    .panel-number{position:absolute;z-index:2;right:26px;top:24px;color:var(--lime);font-size:12px;font-weight:900;letter-spacing:.15em}
    .index-bar{display:flex;gap:10px;overflow-x:auto;padding:24px 0 5px;scrollbar-width:none}
    .index-bar::-webkit-scrollbar{display:none}
    .index-bar a{
      flex:0 0 auto;border:1px solid var(--line);background:rgba(255,254,250,.55);
      padding:10px 15px;border-radius:9px;color:#596158;font-size:13px;transition:.25s ease
    }
    .index-bar a:hover,.index-bar a.active{background:var(--ink);border-color:var(--ink);color:var(--lime)}
    .feature-layout{display:grid;grid-template-columns:1.28fr .72fr;gap:26px;align-items:stretch}
    .feature-story{position:relative;min-height:520px;border-radius:var(--radius);overflow:hidden;background:var(--ink);color:var(--white)}
    .feature-story img{width:100%;height:100%;object-fit:cover;opacity:.52;transition:transform .5s ease}
    .feature-story:hover img{transform:scale(1.035)}
    .story-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,26,24,.08),rgba(23,26,24,.94))}
    .story-copy{position:absolute;left:34px;right:34px;bottom:30px}
    .story-copy h3{font-size:clamp(29px,4vw,48px);line-height:1.12;letter-spacing:-.065em;margin:10px 0 13px}
    .story-copy p{max-width:650px;margin:0;color:#c9cec7;font-size:14px}
    .topic-list{border-top:1px solid var(--line)}
    .topic-row{display:grid;grid-template-columns:48px 1fr auto;gap:14px;align-items:start;padding:20px 0;border-bottom:1px solid var(--line);transition:.25s ease}
    .topic-row:hover{padding-left:9px;background:rgba(201,243,74,.08)}
    .topic-row .num{font-size:12px;color:#829c2c;font-weight:900;letter-spacing:.1em}
    .topic-row h3{font-size:18px;line-height:1.35;margin:0 0 5px;font-weight:850}
    .topic-row p{font-size:13px;color:var(--muted);margin:0}
    .text-arrow{font-weight:900;color:#789616;font-size:13px;white-space:nowrap}
    .editorial-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:52px;align-items:start}
    .editorial-aside{border-left:3px solid var(--lime);padding-left:24px}
    .editorial-aside strong{display:block;font-size:46px;line-height:1;color:var(--ink);letter-spacing:-.08em}
    .editorial-aside span{display:block;margin-top:8px;color:var(--muted);font-size:13px}
    .editorial-copy h3{margin:0 0 17px;font-size:32px;line-height:1.2;letter-spacing:-.06em}
    .editorial-copy p{margin:0 0 17px;color:#5c655b;font-size:15px}
    .editorial-copy ul{margin:25px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}
    .editorial-copy li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
    .editorial-copy li:before{content:"↗";color:#849f1c;font-weight:900}
    .comparison{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-box{border:1px solid #424a42;border-radius:var(--radius);padding:28px;background:#202620}
    .compare-box.light{background:var(--paper);border-color:var(--line);color:var(--ink)}
    .compare-box h3{font-size:25px;line-height:1.2;margin:0 0 20px;letter-spacing:-.05em}
    .compare-line{display:grid;grid-template-columns:120px 1fr auto;gap:14px;align-items:center;border-top:1px solid rgba(255,255,255,.13);padding:15px 0;font-size:13px}
    .compare-box.light .compare-line{border-color:var(--line)}
    .compare-line span:first-child{color:#9da79b}
    .compare-box.light .compare-line span:first-child{color:var(--muted)}
    .meter{height:6px;background:#3a4439;border-radius:4px;overflow:hidden}
    .light .meter{background:#dfe2d9}
    .meter i{display:block;height:100%;background:var(--lime);border-radius:4px}
    .compare-box.light .meter i{background:#88a620}
    .read-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:30px;align-items:stretch}
    .image-card{border-radius:var(--radius);overflow:hidden;background:var(--ink);min-height:390px}
    .image-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
    .image-card:hover img{transform:scale(1.04)}
    .reading-panel{padding:34px;border:1px solid var(--line);background:var(--white);border-radius:var(--radius)}
    .reading-panel h3{font-size:31px;line-height:1.18;letter-spacing:-.06em;margin:0 0 16px}
    .reading-panel p{color:#626a61;font-size:15px;margin:0 0 17px}
    .reading-points{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:25px}
    .reading-points div{padding:14px;background:var(--paper);border-left:2px solid var(--lime);font-size:13px}
    .compact-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 24px;border-top:1px solid var(--line)}
    .compact-item{padding:18px 0;border-bottom:1px solid var(--line)}
    .compact-item time{font-size:11px;color:#849021;font-weight:900;letter-spacing:.1em}
    .compact-item h3{font-size:17px;line-height:1.35;margin:6px 0}
    .compact-item p{font-size:13px;color:var(--muted);margin:0}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}
    .faq-intro h2{margin:0;font-size:clamp(32px,4vw,53px);line-height:1.05;letter-spacing:-.07em}
    .faq-intro p{color:#a9b0a7;font-size:14px;margin-top:18px}
    .faq-list{border-top:1px solid #414941}
    .faq-item{border-bottom:1px solid #414941}
    .faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;color:var(--white);background:none;border:0;padding:20px 0;font-weight:800;font-size:16px}
    .faq-question span:last-child{color:var(--lime);font-size:23px;line-height:1;transition:.25s ease}
    .faq-answer{max-height:0;overflow:hidden;color:#b8c0b7;font-size:14px;transition:max-height .3s ease,padding .3s ease}
    .faq-item.open .faq-answer{max-height:160px;padding:0 35px 19px 0}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-section{padding:78px 0;background:var(--lime)}
    .cta-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:start}
    .cta-section h2{font-size:clamp(34px,5vw,67px);line-height:1;letter-spacing:-.08em;margin:0 0 18px}
    .cta-section p{max-width:500px;color:#475440;font-size:15px}
    .contact-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:flex;flex-direction:column;gap:6px}
    .field.full{grid-column:1/-1}
    .field label{font-size:12px;font-weight:900;color:#3b4935}
    .field input,.field select,.field textarea{width:100%;border:1px solid rgba(23,26,24,.35);border-radius:9px;padding:12px 13px;color:var(--ink);background:rgba(255,254,250,.72);transition:.2s ease}
    .field textarea{min-height:106px;resize:vertical}
    .field input:hover,.field select:hover,.field textarea:hover{border-color:var(--ink)}
    .field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(23,26,24,.13);background:var(--white)}
    .form-note{grid-column:1/-1;font-size:12px;color:#56634f;margin:0}
    .form-message{display:none;grid-column:1/-1;padding:10px 12px;border:1px solid #718b23;background:rgba(255,254,250,.7);border-radius:8px;font-size:13px}
    .form-message.show{display:block}
    .footer{padding:60px 0 28px;background:var(--ink);color:var(--white)}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr .9fr;gap:40px}
    .footer-desc{max-width:330px;color:#a9b0a7;font-size:13px;margin-top:18px}
    .footer h3{font-size:13px;color:var(--lime);margin:4px 0 13px}
    .footer-grid>div>a:not(.brand){display:block;color:#b5bdb3;font-size:13px;padding:4px 0;transition:.2s ease}
    .footer-grid>div>a:not(.brand):hover{color:var(--lime);transform:translateX(3px)}
    .footer-bottom{display:flex;flex-wrap:wrap;gap:13px 28px;border-top:1px solid #3b433c;margin-top:48px;padding-top:20px;color:#8f9890;font-size:11px}
    .mobile-tabs{display:none}
    @media(max-width:1024px){
      .nav-links{gap:0}.nav-links a{padding-left:7px;padding-right:7px;font-size:12px}
      .nav-action{padding:11px 13px}
      .hero-grid,.feature-layout,.read-grid,.cta-grid{grid-template-columns:1fr}
      .hero-panel{max-width:720px}
      .editorial-grid,.faq-layout{grid-template-columns:1fr;gap:28px}
      .footer-grid{grid-template-columns:1.2fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:2/4}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .nav-wrap{height:66px;gap:14px}.nav-links{display:none}.nav-action{margin-left:auto;font-size:12px}
      .hero{padding:52px 0 30px}.hero h1{font-size:clamp(48px,14vw,78px)}
      .hero-copy{font-size:16px}.hero-panel,.hero-panel img{min-height:280px;height:280px}
      .section{padding:64px 0}.section-tight{padding:48px 0}
      .section-head{display:block;margin-bottom:26px}.section-head p{margin-top:14px}
      .feature-story{min-height:390px}.story-copy{left:22px;right:22px;bottom:22px}
      .story-copy h3{font-size:31px}.topic-row{grid-template-columns:35px 1fr}.topic-row .text-arrow{display:none}
      .comparison{grid-template-columns:1fr}.compare-line{grid-template-columns:92px 1fr auto}
      .reading-points,.compact-list{grid-template-columns:1fr}
      .contact-form{grid-template-columns:1fr}.field.full,.form-note,.form-message{grid-column:auto}
      .cta-grid{gap:26px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:last-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
      body{padding-bottom:70px}
      .mobile-tabs{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;height:68px;z-index:50;background:rgba(23,26,24,.97);border-top:1px solid #3f473f;padding-bottom:env(safe-area-inset-bottom)}
      .mobile-tabs a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:#aab3a8;font-size:10px;transition:.2s ease}
      .mobile-tabs a svg{width:18px;height:18px;stroke:currentColor}.mobile-tabs a.active,.mobile-tabs a:hover{color:var(--lime)}
    }
    @media(max-width:520px){
      .brand{font-size:18px}.brand-mark{width:31px;height:31px}
      .nav-action{padding:9px 10px}.nav-action span{display:none}
      .hero-actions a{width:100%}.hero-panel{border-radius:15px}
      .panel-caption{left:20px;right:20px}.reading-panel{padding:24px}
      .compare-box{padding:22px 18px}.footer{padding-top:48px}
    }

/* roulang page: category6 */
:root{
      --ink:#171a18;
      --ink-soft:#242925;
      --paper:#f4f3ee;
      --paper-deep:#e9e9e2;
      --lime:#c9f34a;
      --aqua:#8de3d0;
      --muted:#70766f;
      --line:#d6d8d0;
      --white:#fffefa;
      --danger:#c94b45;
      --radius:18px;
      --shadow:0 16px 40px rgba(23,26,24,.08);
      --container:1240px;
      --focus:#7ba400;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    body:after{content:"";display:block;height:0}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid var(--focus);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:40;background:rgba(244,243,238,.94);
      border-bottom:1px solid var(--line);backdrop-filter:blur(14px)
    }
    .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.04em;font-size:21px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;background:var(--ink);color:var(--lime);display:grid;place-items:center;border-radius:9px;font-size:14px;font-weight:900}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{position:relative;padding:10px 11px;color:#565d56;font-size:13px;transition:.25s ease}
    .nav-links a:after{content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--ink)}
    .nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
    .nav-action,.button-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--ink);
      color:var(--lime);border:1px solid var(--ink);padding:12px 18px;border-radius:10px;
      font-size:13px;font-weight:800;transition:transform .25s ease,background .25s ease,color .25s ease,box-shadow .25s ease
    }
    .nav-action:hover,.button-primary:hover{background:#343c35;color:var(--white);transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,26,24,.16)}
    .nav-action:active,.button-primary:active{transform:translateY(0);box-shadow:none}
    .button-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid var(--ink);
      color:var(--ink);padding:12px 18px;border-radius:10px;font-size:13px;font-weight:800;
      transition:.25s ease;background:transparent
    }
    .button-secondary:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px)}
    .button-secondary:active{transform:translateY(0)}
    .button-disabled{opacity:.48;cursor:not-allowed;pointer-events:none}
    .eyebrow{display:flex;align-items:center;gap:10px;color:#6c7469;font-size:11px;font-weight:900;letter-spacing:.14em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--lime)}
    .section{padding:92px 0}
    .section-tight{padding:66px 0}
    .section-dark{background:var(--ink);color:var(--white)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:38px}
    .section-head h2{margin:0;font-size:clamp(30px,4vw,54px);line-height:1.08;letter-spacing:-.065em;font-weight:900}
    .section-head p{max-width:500px;margin:0;color:var(--muted);font-size:15px}
    .section-dark .section-head p{color:#a9b0a7}
    .hero{padding:70px 0 42px;position:relative;overflow:hidden}
    .hero:before{
      content:"";position:absolute;inset:0;
      background-image:linear-gradient(rgba(23,26,24,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(23,26,24,.055) 1px,transparent 1px);
      background-size:44px 44px;mask-image:linear-gradient(to bottom,black,transparent 82%);pointer-events:none
    }
    .hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(430px,.92fr);gap:54px;align-items:center}
    .hero h1{font-size:clamp(48px,7vw,100px);line-height:.98;letter-spacing:-.09em;margin:18px 0 25px;font-weight:950;max-width:760px}
    .hero h1 em{font-style:normal;color:#7e9e16}
    .hero-copy{max-width:650px;font-size:18px;color:#5f675e;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero-visual{min-height:410px;position:relative;border-radius:24px;overflow:hidden;background:var(--ink);box-shadow:var(--shadow)}
    .hero-visual>img{width:100%;height:100%;min-height:410px;object-fit:cover;opacity:.56}
    .hero-overlay{position:absolute;inset:0;background:linear-gradient(145deg,rgba(23,26,24,.12),rgba(23,26,24,.91))}
    .hero-note{position:absolute;top:25px;left:26px;color:var(--lime);font-size:11px;letter-spacing:.13em;font-weight:900}
    .coupon-panel{position:absolute;left:26px;right:26px;bottom:26px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:end}
    .coupon-panel h2{font-size:34px;line-height:1.15;letter-spacing:-.06em;margin:0 0 10px;color:var(--white)}
    .coupon-panel p{margin:0;color:#c9cec6;font-size:14px;max-width:420px}
    .coupon-tag{display:inline-flex;color:var(--ink);background:var(--lime);padding:6px 10px;font-size:11px;font-weight:900;border-radius:5px;margin-bottom:16px}
    .metric-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .metric{padding:22px 20px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:32px;letter-spacing:-.06em;line-height:1.1}
    .metric span{display:block;color:var(--muted);font-size:12px;margin-top:7px}
    .metric i{display:block;width:42px;height:3px;background:var(--lime);margin-top:15px}
    .feature-banner{display:grid;grid-template-columns:1.05fr .95fr;min-height:330px;background:var(--ink);color:var(--white);border-radius:var(--radius);overflow:hidden}
    .feature-banner-copy{padding:42px 44px;display:flex;flex-direction:column;justify-content:center}
    .feature-banner-copy h2{font-size:clamp(30px,4vw,58px);line-height:1.06;letter-spacing:-.07em;margin:15px 0}
    .feature-banner-copy p{color:#c0c7bf;max-width:560px;margin:0}
    .feature-banner-image{min-height:330px;position:relative}
    .feature-banner-image img{width:100%;height:100%;object-fit:cover;opacity:.7}
    .feature-banner-image:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--ink),transparent 48%)}
    .content-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:58px}
    .update-list{border-top:1px solid var(--line)}
    .update-item{display:grid;grid-template-columns:100px 1fr auto;gap:22px;padding:26px 0;border-bottom:1px solid var(--line);align-items:start;transition:.25s ease}
    .update-item:hover{padding-left:12px;background:rgba(201,243,74,.08)}
    .update-date{font-size:12px;color:#81877f;font-weight:800;padding-top:5px}
    .update-item h3{font-size:22px;line-height:1.3;letter-spacing:-.04em;margin:0 0 8px}
    .update-item p{font-size:14px;color:#666e65;max-width:650px;margin:0}
    .read-link{font-size:13px;font-weight:900;color:#789616;white-space:nowrap;padding-top:5px}
    .side-note{border:1px solid var(--line);padding:24px;background:var(--paper-deep);border-radius:var(--radius);position:sticky;top:104px}
    .side-note h3{font-size:21px;letter-spacing:-.04em;margin:0 0 14px}
    .side-note p{color:#636b62;font-size:13px;margin:0 0 22px}
    .side-links{display:grid;gap:9px}
    .side-links a{border-top:1px solid #cfd2c9;padding-top:10px;font-size:13px;font-weight:800;transition:.2s ease}
    .side-links a:hover{color:#799a10;padding-left:5px}
    .editor-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:42px;align-items:start}
    .editor-label{font-size:72px;line-height:.9;font-weight:950;letter-spacing:-.1em;color:#d6dfb0}
    .editor-copy{font-size:17px;color:#555e54;line-height:2}
    .editor-copy p{margin:0 0 18px}
    .quote-line{border-left:4px solid var(--lime);padding-left:20px;font-size:22px;line-height:1.45;font-weight:850;letter-spacing:-.04em}
    .topic-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .topic-card{border:1px solid var(--line);padding:23px;background:var(--white);border-radius:14px;transition:.25s ease}
    .topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b5cc58}
    .topic-card small{color:#789616;font-weight:900}
    .topic-card h3{font-size:23px;letter-spacing:-.05em;margin:12px 0 7px}
    .topic-card p{color:#697067;font-size:13px;margin:0 0 15px}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px}
    .faq-layout h2{font-size:clamp(32px,4vw,56px);line-height:1.05;letter-spacing:-.07em;margin:0}
    .faq-intro{color:#a9b0a7;font-size:14px;margin-top:18px;max-width:310px}
    .faq-list{border-top:1px solid #485048}
    .faq-item{border-bottom:1px solid #485048}
    .faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;align-items:center;background:none;border:0;color:var(--white);padding:21px 0;text-align:left;font-weight:850;font-size:16px}
    .faq-question span:last-child{color:var(--lime);font-size:24px;line-height:1;transition:.2s ease}
    .faq-answer{max-height:0;overflow:hidden;color:#b8c0b7;font-size:14px;line-height:1.85;transition:max-height .3s ease,padding .3s ease}
    .faq-item.open .faq-answer{max-height:180px;padding:0 36px 20px 0}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-box{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;background:var(--lime);padding:42px 46px;border-radius:var(--radius)}
    .cta-box h2{font-size:clamp(30px,4vw,52px);line-height:1.05;letter-spacing:-.07em;margin:0 0 12px}
    .cta-box p{margin:0;color:#4d5c2e;max-width:650px;font-size:15px}
    .footer{background:var(--ink);color:var(--white);padding:65px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:40px;padding-bottom:45px}
    .footer-desc{color:#aab1a8;max-width:330px;font-size:13px;line-height:1.9;margin-top:18px}
    .footer h3{font-size:13px;color:var(--lime);margin:4px 0 15px}
    .footer-grid>div:not(:first-child) a{display:block;color:#bdc4bb;font-size:13px;margin:8px 0;transition:.2s ease}
    .footer-grid>div:not(:first-child) a:hover{color:var(--lime);transform:translateX(4px)}
    .footer-bottom{border-top:1px solid #394139;padding-top:20px;display:flex;flex-wrap:wrap;gap:12px 28px;color:#858f85;font-size:11px}
    .mobile-tabs{display:none}
    @media(max-width:1024px){
      .nav-links{gap:0}
      .nav-links a{padding-left:7px;padding-right:7px;font-size:12px}
      .nav-links a:after{left:7px;right:7px}
      .hero-grid{grid-template-columns:1fr 390px;gap:28px}
      .hero h1{font-size:clamp(48px,7vw,78px)}
      .content-layout{gap:30px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header{position:sticky}
      .nav-wrap{height:68px}
      .nav-links{display:none}
      .nav-action{margin-left:auto;padding:10px 13px}
      .hero{padding:48px 0 30px}
      .hero-grid,.feature-banner,.content-layout,.editor-grid,.faq-layout{grid-template-columns:1fr}
      .hero-visual{min-height:350px;margin-top:10px}
      .hero-visual>img{min-height:350px}
      .feature-banner-image{min-height:230px;order:-1}
      .feature-banner-image:after{background:linear-gradient(180deg,transparent,var(--ink))}
      .feature-banner-copy{padding:30px 25px 34px}
      .metric-strip{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(2){border-right:0}
      .metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .section{padding:65px 0}
      .section-head{display:block;margin-bottom:28px}
      .section-head p{margin-top:14px}
      .side-note{position:static}
      .topic-row{grid-template-columns:1fr}
      .cta-box{grid-template-columns:1fr;padding:30px 25px}
      .footer{padding-bottom:95px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .mobile-tabs{
        position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:60;
        background:rgba(23,26,24,.97);border-top:1px solid #465045;padding:8px 8px calc(8px + env(safe-area-inset-bottom));
      }
      .mobile-tabs a{color:#aeb8a9;text-align:center;font-size:10px;line-height:1.25;padding:5px 2px}
      .mobile-tabs a span{display:block;color:#d7e1d0;font-size:18px;height:24px}
      .mobile-tabs a.active{color:var(--lime)}
      .mobile-tabs a.active span{color:var(--lime)}
    }
    @media(max-width:520px){
      .hero h1{font-size:52px}
      .hero-copy{font-size:16px}
      .coupon-panel{position:relative;left:auto;right:auto;bottom:auto;padding:25px;display:block}
      .hero-visual{min-height:420px}
      .hero-visual>img{min-height:420px}
      .coupon-panel .button-primary{margin-top:18px;width:100%}
      .update-item{grid-template-columns:1fr;gap:5px;padding:22px 0}
      .read-link{padding-top:7px}
      .editor-label{font-size:56px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:9px}
    }

/* roulang page: category5 */
:root{
      --ink:#171a18;
      --ink-soft:#242925;
      --paper:#f4f3ee;
      --paper-deep:#e9e9e2;
      --lime:#c9f34a;
      --aqua:#8de3d0;
      --muted:#70766f;
      --line:#d6d8d0;
      --white:#fffefa;
      --danger:#c94b45;
      --radius:18px;
      --shadow:0 16px 40px rgba(23,26,24,.08);
      --container:1240px;
      --focus:#7ba400;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:40;
      background:rgba(244,243,238,.94);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(14px)
    }
    .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.04em;font-size:21px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;background:var(--ink);color:var(--lime);display:grid;place-items:center;border-radius:9px;font-size:14px;font-weight:900}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{position:relative;padding:10px 11px;color:#565d56;font-size:13px;transition:.25s ease}
    .nav-links a:after{content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--ink)}
    .nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
    .nav-action,.button-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      background:var(--ink);color:var(--lime);border:1px solid var(--ink);
      padding:12px 18px;border-radius:10px;font-size:13px;font-weight:800;
      transition:transform .25s ease,background .25s ease,color .25s ease,box-shadow .25s ease
    }
    .nav-action:hover,.button-primary:hover{background:#343c35;color:var(--white);transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,26,24,.16)}
    .nav-action:active,.button-primary:active{transform:translateY(0);box-shadow:none}
    .button-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      border:1px solid var(--ink);color:var(--ink);padding:12px 18px;border-radius:10px;
      font-size:13px;font-weight:800;transition:.25s ease;background:transparent
    }
    .button-secondary:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px)}
    .button-secondary:active{transform:translateY(0)}
    .eyebrow{display:flex;align-items:center;gap:10px;color:#6c7469;font-size:11px;font-weight:900;letter-spacing:.14em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--lime)}
    .section{padding:92px 0}
    .section-tight{padding:70px 0}
    .section-dark{background:var(--ink);color:var(--white)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:38px}
    .section-head h2{margin:0;font-size:clamp(30px,4vw,54px);line-height:1.08;letter-spacing:-.065em;font-weight:900}
    .section-head p{max-width:500px;margin:0;color:var(--muted);font-size:15px}
    .section-dark .section-head p{color:#a9b0a7}
    .hero{
      min-height:620px;padding:70px 0 62px;position:relative;overflow:hidden;
      color:var(--white);background:var(--ink)
    }
    .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.48}
    .hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,26,24,.98) 4%,rgba(23,26,24,.86) 44%,rgba(23,26,24,.4) 100%)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:60px;align-items:end}
    .hero h1{font-size:clamp(48px,7vw,96px);line-height:.98;letter-spacing:-.09em;margin:18px 0 24px;font-weight:950;max-width:700px}
    .hero h1 em{font-style:normal;color:var(--lime)}
    .hero-copy{max-width:630px;color:#d2d7cf;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero .button-secondary{border-color:#9da69c;color:var(--white)}
    .hero .button-secondary:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}
    .hero-poster{position:relative;min-height:440px;border:1px solid rgba(201,243,74,.42);overflow:hidden;border-radius:24px;background:#222923;box-shadow:0 24px 70px rgba(0,0,0,.28)}
    .hero-poster img{width:100%;height:100%;min-height:440px;object-fit:cover;opacity:.68;transition:transform .6s ease}
    .hero-poster:hover img{transform:scale(1.04)}
    .poster-shade{position:absolute;inset:0;background:linear-gradient(160deg,rgba(23,26,24,.05),rgba(23,26,24,.9))}
    .poster-label{position:absolute;top:22px;left:22px;padding:7px 10px;border:1px solid var(--lime);color:var(--lime);font-size:11px;font-weight:900;letter-spacing:.12em}
    .poster-caption{position:absolute;left:26px;right:26px;bottom:24px}
    .poster-caption strong{display:block;font-size:29px;line-height:1.2;letter-spacing:-.05em}
    .poster-caption span{display:block;color:#c3cac0;font-size:13px;margin-top:8px}
    .stat-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid rgba(255,255,255,.15);margin-top:34px}
    .stat{padding:20px 18px;border-right:1px solid rgba(255,255,255,.15)}
    .stat:last-child{border-right:0}
    .stat b{display:block;color:var(--lime);font-size:30px;line-height:1.1;letter-spacing:-.06em}
    .stat span{display:block;color:#b8c0b5;font-size:12px;margin-top:8px}
    .soft-grid{display:grid;grid-template-columns:1fr 1.45fr;gap:45px;align-items:start}
    .intro-copy{font-size:17px;color:#5f675e;line-height:1.95}
    .topic-list{border-top:1px solid var(--line)}
    .topic-row{display:grid;grid-template-columns:70px 1fr 130px;gap:18px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);transition:.25s ease}
    .topic-row:hover{padding-left:10px;background:rgba(201,243,74,.12)}
    .topic-no{color:#829f22;font-size:13px;font-weight:900}
    .topic-row h3{margin:0;font-size:20px;letter-spacing:-.035em}
    .topic-row p{margin:4px 0 0;color:var(--muted);font-size:13px}
    .topic-tag{justify-self:end;color:#687168;border:1px solid var(--line);padding:5px 9px;border-radius:7px;font-size:11px}
    .visual-section{background:var(--paper-deep)}
    .visual-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch}
    .image-card{min-height:440px;position:relative;overflow:hidden;border-radius:var(--radius);background:var(--ink)}
    .image-card img{width:100%;height:100%;min-height:440px;object-fit:cover;opacity:.62;transition:transform .6s ease}
    .image-card:hover img{transform:scale(1.04)}
    .image-card:after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,transparent 25%,rgba(23,26,24,.9))}
    .image-copy{position:absolute;z-index:1;left:30px;right:30px;bottom:28px;color:var(--white)}
    .image-copy h3{font-size:33px;line-height:1.15;letter-spacing:-.06em;margin:10px 0}
    .image-copy p{color:#c6cdc4;font-size:14px;margin:0;max-width:570px}
    .info-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
    .info-panel h3{font-size:27px;line-height:1.2;letter-spacing:-.05em;margin:0 0 18px}
    .info-panel p{color:var(--muted);font-size:14px;line-height:1.9}
    .check-list{padding:0;margin:24px 0 0;list-style:none}
    .check-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
    .check-list li:before{content:"＋";color:#789616;font-weight:900}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .flow-step{padding:25px 22px 28px;border-right:1px solid var(--line);position:relative}
    .flow-step:last-child{border-right:0}
    .flow-step small{color:#829f22;font-weight:900;letter-spacing:.12em}
    .flow-step h3{font-size:20px;margin:16px 0 8px;line-height:1.25}
    .flow-step p{color:var(--muted);font-size:13px;margin:0}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .compare-box{padding:32px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.13);background:#222923}
    .compare-box.light{background:var(--paper);color:var(--ink);border-color:var(--line)}
    .compare-box h3{margin:0 0 20px;font-size:24px;letter-spacing:-.05em}
    .compare-line{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:14px}
    .compare-box.light .compare-line{border-color:var(--line)}
    .compare-line span:first-child{color:#aeb7ad}
    .compare-box.light .compare-line span:first-child{color:var(--muted)}
    .compare-line b{color:var(--lime);font-weight:900}
    .compare-box.light .compare-line b{color:#71900f}
    .deep-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px;align-items:start}
    .deep-copy p{color:#5e665e;font-size:15px;line-height:2;margin:0 0 20px}
    .quote{border-left:4px solid var(--lime);padding:6px 0 6px 20px;font-size:22px;font-weight:850;line-height:1.45;letter-spacing:-.04em}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;border:0;background:transparent;padding:21px 0;color:var(--ink);font-weight:850;font-size:16px}
    .faq-question span:last-child{color:#789616;font-size:22px;line-height:1;transition:transform .25s ease}
    .faq-question[aria-expanded="true"] span:last-child{transform:rotate(45deg)}
    .faq-answer{display:none;color:var(--muted);font-size:14px;line-height:1.9;padding:0 40px 20px 0}
    .faq-answer.open{display:block}
    .cta-panel{background:var(--ink);color:var(--white);border-radius:24px;padding:48px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:40px}
    .cta-panel h2{font-size:clamp(31px,4vw,53px);line-height:1.05;letter-spacing:-.07em;margin:12px 0}
    .cta-panel p{color:#b9c1b7;max-width:600px;margin:0}
    .footer{background:#111411;color:var(--white);padding:66px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:40px}
    .footer-desc{color:#aab2a8;max-width:330px;font-size:13px;line-height:1.9;margin-top:20px}
    .footer h3{font-size:13px;color:var(--lime);margin:4px 0 15px}
    .footer a:not(.brand){display:block;color:#b4bcb2;font-size:13px;margin:8px 0;transition:.2s ease}
    .footer a:not(.brand):hover{color:var(--lime);padding-left:4px}
    .footer-bottom{display:flex;flex-wrap:wrap;gap:16px 28px;border-top:1px solid rgba(255,255,255,.14);margin-top:44px;padding-top:20px;color:#8f988e;font-size:11px}
    .mobile-tabs{display:none}
    @media(max-width:1024px){
      .nav-links{gap:0}
      .nav-links a{padding-left:7px;padding-right:7px;font-size:12px}
      .nav-action{display:none}
      .hero-inner,.soft-grid,.visual-grid,.deep-grid,.faq-layout{grid-template-columns:1fr}
      .hero-poster{min-height:390px}
      .hero-poster img{min-height:390px}
      .flow{grid-template-columns:repeat(2,1fr)}
      .flow-step:nth-child(2){border-right:0}
      .flow-step:nth-child(-n+2){border-bottom:1px solid var(--line)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .nav-wrap{height:68px}
      .brand{font-size:19px}
      .nav-links{display:none}
      .hero{padding:52px 0 42px;min-height:0}
      .hero h1{font-size:clamp(49px,14vw,75px)}
      .hero-copy{font-size:15px}
      .hero-poster{min-height:360px}
      .hero-poster img{min-height:360px}
      .stat-strip{grid-template-columns:repeat(2,1fr)}
      .stat:nth-child(2){border-right:0}
      .stat:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.15)}
      .section{padding:65px 0}
      .section-head{display:block;margin-bottom:28px}
      .section-head p{margin-top:16px}
      .topic-row{grid-template-columns:45px 1fr}
      .topic-tag{display:none}
      .image-card,.image-card img{min-height:360px}
      .compare{grid-template-columns:1fr}
      .cta-panel{grid-template-columns:1fr;padding:32px 24px;gap:26px}
      .footer{padding-bottom:100px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .mobile-tabs{
        position:fixed;display:grid;grid-template-columns:repeat(5,1fr);
        left:0;right:0;bottom:0;z-index:50;
        background:rgba(23,26,24,.97);border-top:1px solid rgba(201,243,74,.28);
        padding:8px 10px calc(8px + env(safe-area-inset-bottom));
      }
      .mobile-tabs a{display:flex;flex-direction:column;align-items:center;gap:3px;color:#aeb7ad;font-size:10px;padding:5px 2px;border-radius:8px}
      .mobile-tabs a.active,.mobile-tabs a:hover{color:var(--lime);background:rgba(201,243,74,.08)}
      .mobile-tabs svg{width:18px;height:18px;stroke:currentColor}
    }
    @media(max-width:520px){
      .hero-actions{display:grid;grid-template-columns:1fr}
      .hero-actions a{width:100%}
      .flow{grid-template-columns:1fr}
      .flow-step{border-right:0!important;border-bottom:1px solid var(--line)}
      .flow-step:last-child{border-bottom:0}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:8px}
    }