/* roulang page: index */
:root{
      --ink:#17251f;--muted:#68766f;--paper:#f7f8f2;--card:#ffffff;--line:#dce4d8;
      --green:#155e4a;--green-2:#237c61;--lime:#d9f27c;--gold:#eebc54;--dark:#102b25;
      --shadow:0 20px 60px rgba(21,55,40,.11);--radius:24px;--max:1180px
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;overflow-x:hidden}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(calc(100% - 40px),var(--max));margin:auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-2);font-size:12px;font-weight:800;letter-spacing:.15em;text-transform:uppercase}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--gold)}
    .section{padding:100px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:40px}
    .section-head h2{font-size:clamp(28px,4vw,46px);line-height:1.2;letter-spacing:-.04em;margin-top:12px}
    .section-head p{max-width:510px;color:var(--muted);font-size:15px}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,248,242,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,228,216,.8)}
    .nav{height:76px;display:flex;align-items:center;gap:30px}
    .logo{font-size:22px;font-weight:900;letter-spacing:-.08em;white-space:nowrap;color:var(--green)}
    .logo span{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--gold);margin-left:5px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{font-size:13px;color:#53635b;padding:9px 12px;border-radius:12px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:#e8f0dd;color:var(--green);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .locale{border:1px solid var(--line);border-radius:99px;padding:7px 12px;font-size:12px;color:var(--muted);background:#fff}
    .menu-btn{display:none;background:transparent;font-size:24px;color:var(--green)}
    .btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;padding:13px 20px;border-radius:14px;font-weight:800;font-size:14px;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 10px 25px rgba(21,94,74,.2)}
    .btn-primary:hover{background:var(--green-2);transform:translateY(-2px);box-shadow:0 15px 30px rgba(21,94,74,.28)}
    .btn-light{background:#fff;color:var(--green);border-color:var(--line)}
    .btn-light:hover{border-color:var(--green);transform:translateY(-2px)}
    .btn:focus,.nav a:focus,input:focus{outline:3px solid rgba(238,188,84,.55);outline-offset:3px}
    .hero{min-height:680px;position:relative;display:flex;align-items:center;color:#fff;background:linear-gradient(90deg,rgba(11,42,35,.94),rgba(13,55,42,.72),rgba(13,55,42,.2)),url("/assets/images/backpic/back-1.webp") center/cover}
    .hero:after{content:"";position:absolute;inset:auto 0 0;height:130px;background:linear-gradient(transparent,var(--paper))}
    .hero-inner{position:relative;z-index:1;width:100%;padding:110px 0 130px}
    .hero-copy{max-width:760px}
    .hero .eyebrow{color:var(--lime)}
    .hero h1{font-size:clamp(45px,7vw,88px);line-height:1.05;letter-spacing:-.08em;margin:24px 0}
    .hero p{max-width:650px;color:#e7eee4;font-size:18px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
    .hero .btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.32);color:#fff}
    .hero .btn-light:hover{background:#fff;color:var(--green)}
    .hero-stats{display:flex;gap:0;margin-top:55px}
    .hero-stat{padding:0 28px;border-left:1px solid rgba(255,255,255,.3)}
    .hero-stat:first-child{padding-left:0;border-left:0}
    .hero-stat strong{display:block;font-size:25px;color:var(--lime)}
    .hero-stat span{font-size:12px;color:#c8d7cb}
    .surface{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .dynamic{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .feature-image{min-height:380px;border-radius:var(--radius);overflow:hidden;position:relative;background:#153e32}
    .feature-image img{height:100%;width:100%;object-fit:cover;opacity:.78}
    .feature-caption{position:absolute;left:28px;right:28px;bottom:25px;color:#fff}
    .feature-caption h3{font-size:28px;line-height:1.25;margin:8px 0}
    .feature-caption p{font-size:14px;color:#e7eee4}
    .update-list{padding:24px}
    .update-list h3{font-size:20px;margin-bottom:10px}
    .update-item{display:flex;gap:15px;padding:19px 0;border-bottom:1px solid var(--line)}
    .update-item:last-child{border:0}
    .update-num{color:var(--gold);font-size:20px;font-weight:900}
    .update-item p{font-size:14px;color:var(--muted)}
    .quick{background:var(--dark);color:#fff}
    .quick .section-head p{color:#b9cbc0}
    .quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .quick-item{padding:25px;border:1px solid rgba(255,255,255,.13);border-radius:18px;background:rgba(255,255,255,.06)}
    .quick-item b{display:block;color:var(--lime);font-size:28px;margin-bottom:10px}
    .quick-item h3{font-size:17px;margin-bottom:7px}.quick-item p{font-size:13px;color:#c4d1c8}
    .news-wrap{display:grid;grid-template-columns:1fr 320px;gap:28px}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:8px 28px}
    .news-row{display:grid;grid-template-columns:90px 1fr 105px;gap:20px;align-items:center;padding:25px 0;border-bottom:1px solid var(--line)}
    .news-row:last-child{border:0}.news-date{color:var(--green-2);font-size:12px;font-weight:800}.news-row h3{font-size:18px;margin-bottom:5px}.news-row p{font-size:13px;color:var(--muted)}
    .news-row a{color:var(--green);font-size:12px;font-weight:800;text-align:right}
    .recommend{padding:27px;background:#e8f0dd;border-radius:var(--radius);align-self:start}.recommend img{height:145px;width:100%;object-fit:cover;border-radius:16px;margin:18px 0}.recommend h3{font-size:23px;line-height:1.3}.recommend p{font-size:14px;color:var(--muted)}
    .split{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:center}
    .split.reverse{grid-template-columns:1.15fr .85fr}.split img{width:100%;height:420px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .copy h2{font-size:clamp(29px,4vw,48px);line-height:1.2;letter-spacing:-.05em;margin:14px 0 20px}.copy p{color:var(--muted);font-size:15px;margin-bottom:22px}
    .check-list{list-style:none;display:grid;gap:13px}.check-list li{display:flex;gap:11px;font-size:14px}.check-list li:before{content:"✓";color:var(--green-2);font-weight:900;background:#e8f0dd;border-radius:50%;width:22px;height:22px;text-align:center;line-height:22px;flex:none}
    .highlight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.highlight{padding:29px;border-radius:20px;background:#fff;border:1px solid var(--line);transition:.25s}.highlight:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.highlight .icon{font-size:30px;color:var(--gold);margin-bottom:17px}.highlight h3{font-size:20px;margin-bottom:9px}.highlight p{font-size:14px;color:var(--muted)}
    .scenario{background:#edf2e8}.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.scenario-card{min-height:220px;padding:28px;border-radius:20px;background-size:cover;background-position:center;position:relative;overflow:hidden;color:#fff}.scenario-card:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,35,27,.9),rgba(10,35,27,.12))}.scenario-card>*{position:relative}.scenario-card h3{margin-top:90px;font-size:21px}.scenario-card p{font-size:13px;color:#e3eee6}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}.step{padding:30px 24px 10px;border-right:1px solid var(--line)}.step:last-child{border:0}.step b{font-size:42px;color:#c9d7bc;line-height:1}.step h3{margin:18px 0 8px;font-size:18px}.step p{font-size:13px;color:var(--muted)}
    .metrics{background:#dfeccf}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.metric strong{font-size:43px;color:var(--green);display:block;line-height:1.2}.metric span{font-size:13px;color:var(--muted)}
    .voices{background:#fff}.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.voice{padding:27px;border:1px solid var(--line);border-radius:20px}.voice p{font-size:15px;min-height:78px}.voice footer{display:flex;align-items:center;gap:10px;margin-top:20px;color:var(--muted);font-size:12px}.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#e8f0dd;color:var(--green);font-weight:900}
    .matrix{display:grid;grid-template-columns:1fr 1fr;gap:18px}.matrix a{padding:25px;background:#fff;border:1px solid var(--line);border-radius:18px;display:flex;justify-content:space-between;align-items:center}.matrix a:hover{border-color:var(--green);transform:translateX(5px)}.matrix small{display:block;color:var(--muted);margin-top:5px}
    .faq-list{max-width:850px;margin:auto}.faq{border-bottom:1px solid var(--line);padding:20px 0}.faq button{width:100%;display:flex;justify-content:space-between;text-align:left;background:transparent;color:var(--ink);font-weight:800;font-size:17px}.faq button span{color:var(--green);font-size:25px}.faq p{display:none;color:var(--muted);font-size:14px;padding:12px 35px 0 0}.faq.open p{display:block}
    .limited{background:var(--green);color:#fff}.limited-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.limited h2{font-size:32px;line-height:1.25}.limited p{color:#d8e8dc;font-size:14px;margin-top:8px}.count{display:flex;gap:10px}.count b{background:#0d4738;border-radius:12px;padding:13px 15px;font-size:22px;color:var(--lime);min-width:60px;text-align:center}.count span{display:block;font-size:10px;color:#b8cec0;font-weight:400}
    .cta{padding:75px 0}.cta-box{background:linear-gradient(120deg,#dcecae,#f6e4ad);border-radius:28px;padding:55px;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:clamp(28px,4vw,47px);line-height:1.2}.cta p{color:#5c6959;margin-top:12px;max-width:580px}.cta-actions{display:flex;gap:10px;flex-wrap:wrap}
    .footer{background:#102b25;color:#c8d5cb;padding:58px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.13)}.footer .logo{color:#fff}.footer-intro{max-width:370px;font-size:14px;margin-top:16px;color:#aebfb3}.footer-links{display:grid;grid-template-columns:repeat(2,150px);gap:25px}.footer-links h4{color:#fff;font-size:14px;margin-bottom:12px}.footer-links a{display:block;font-size:13px;margin:7px 0;color:#aebfb3}.footer-links a:hover{color:var(--lime)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;font-size:12px;color:#91a79a;flex-wrap:wrap}
    @media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding:8px 7px}.dynamic,.news-wrap{grid-template-columns:1fr}.quick-grid,.metric-grid{grid-template-columns:repeat(2,1fr)}.split,.split.reverse{grid-template-columns:1fr;gap:35px}.split img{height:340px}.recommend{display:none}}
    @media(max-width:768px){.container{width:min(calc(100% - 30px),var(--max))}.section{padding:70px 0}.section-head{display:block}.section-head p{margin-top:15px}.nav{height:66px}.menu-btn{display:block}.nav-links{display:none;position:absolute;left:15px;right:15px;top:72px;background:#fff;padding:12px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px}.nav-tools .btn{display:none}.hero{min-height:650px}.hero h1{font-size:52px}.hero p{font-size:16px}.highlight-grid,.scenario-grid,.voice-grid{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr);border:0}.step{border-bottom:1px solid var(--line)}.matrix{grid-template-columns:1fr}.limited-inner,.cta-box{display:block}.count{margin-top:25px}.cta-box{padding:35px 25px}.cta-actions{margin-top:25px}.footer-top{display:block}.footer-links{margin-top:30px}}
    @media(max-width:520px){.hero h1{font-size:43px}.hero-stats{margin-top:35px}.hero-stat{padding:0 13px}.hero-stat strong{font-size:20px}.hero-stat span{font-size:10px}.quick-grid,.metric-grid{grid-template-columns:1fr}.news-row{grid-template-columns:1fr;gap:5px}.news-row a{text-align:left;margin-top:8px}.feature-image{min-height:330px}.steps{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom div{margin-top:8px}}

/* roulang page: category1 */
:root{
      --ink:#17251f;--muted:#68766f;--paper:#f7f8f2;--card:#ffffff;--line:#dce4d8;
      --green:#155e4a;--green-2:#237c61;--lime:#d9f27c;--gold:#eebc54;--dark:#102b25;
      --shadow:0 20px 60px rgba(21,55,40,.11);--radius:24px;--max:1180px
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;overflow-x:hidden}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input{font:inherit} button{cursor:pointer;border:0}
    .container{width:min(calc(100% - 40px),var(--max));margin:auto}
    .section{padding:92px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-2);font-size:12px;font-weight:800;letter-spacing:.15em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--gold)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head h2{font-size:clamp(28px,4vw,46px);line-height:1.2;letter-spacing:-.045em;margin-top:12px}
    .section-head p{max-width:490px;color:var(--muted);font-size:15px}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,248,242,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,228,216,.8)}
    .nav{height:76px;display:flex;align-items:center;gap:30px}
    .logo{font-size:22px;font-weight:900;letter-spacing:-.08em;white-space:nowrap;color:var(--green)}
    .logo span{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--gold);margin-left:5px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{font-size:13px;color:#53635b;padding:9px 12px;border-radius:12px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:#e8f0dd;color:var(--green);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .locale{font-size:12px;color:var(--muted);padding:7px 10px;border:1px solid var(--line);border-radius:999px;white-space:nowrap}
    .menu-btn{display:none;background:transparent;font-size:24px;color:var(--green)}
    .btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;padding:13px 20px;border-radius:14px;font-weight:800;font-size:14px;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 10px 25px rgba(21,94,74,.2)}
    .btn-primary:hover{background:var(--green-2);transform:translateY(-2px);box-shadow:0 15px 30px rgba(21,94,74,.28)}
    .btn-light{background:#fff;color:var(--green);border-color:var(--line)}
    .btn-light:hover{border-color:var(--green);transform:translateY(-2px)}
    .btn:focus,.nav a:focus,button:focus{outline:3px solid rgba(238,188,84,.55);outline-offset:3px}
    .hero{position:relative;overflow:hidden;background:linear-gradient(100deg,rgba(10,42,34,.96),rgba(20,80,62,.84)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff}
    .hero-inner{min-height:590px;display:grid;grid-template-columns:1.05fr .8fr;align-items:center;gap:60px;padding:85px 0 95px}
    .hero .eyebrow{color:var(--lime)}
    .hero h1{font-size:clamp(42px,6vw,74px);line-height:1.08;letter-spacing:-.075em;margin:20px 0}
    .hero-copy>p{max-width:660px;color:#deebe1;font-size:17px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .hero .btn-light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);color:#fff}
    .hero .btn-light:hover{background:#fff;color:var(--green)}
    .invite-panel{background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(12px);border-radius:28px;padding:30px;box-shadow:0 24px 70px rgba(0,0,0,.2)}
    .invite-panel .tag{display:inline-block;background:var(--lime);color:var(--dark);font-size:12px;font-weight:900;padding:5px 10px;border-radius:99px}
    .invite-panel h2{font-size:28px;line-height:1.3;margin:18px 0 8px}
    .invite-panel p{font-size:14px;color:#dbe9df}
    .progress-line{height:10px;border-radius:99px;background:rgba(255,255,255,.2);overflow:hidden;margin:22px 0 10px}
    .progress-line i{display:block;width:72%;height:100%;background:var(--lime);border-radius:inherit}
    .progress-meta{display:flex;justify-content:space-between;color:#d5e4da;font-size:12px}
    .invite-list{list-style:none;margin:20px 0}
    .invite-list li{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:13px;color:#eff7f0;display:flex;justify-content:space-between}
    .invite-list li:last-child{border:0}
    .invite-list em{font-style:normal;color:var(--lime);font-weight:800}
    .intro-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:center}
    .intro-grid img{width:100%;height:410px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .prose p{color:var(--muted);margin:0 0 18px;font-size:15px}
    .prose p:first-of-type{font-size:18px;color:var(--ink);line-height:1.9}
    .note{padding:22px 24px;border-left:4px solid var(--gold);background:#fff9eb;border-radius:0 16px 16px 0;color:#64552f;font-size:14px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{background:var(--card);border:1px solid var(--line);padding:25px;border-radius:20px;position:relative;transition:.25s}
    .step:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b8ccbc}
    .step-num{font-size:13px;color:var(--green-2);font-weight:900;letter-spacing:.1em}
    .step h3{font-size:19px;margin:13px 0 9px}.step p{font-size:13px;color:var(--muted)}
    .pattern-area{background:var(--dark);color:#fff}
    .pattern-area .section-head p{color:#b8ccc1}.pattern-area .eyebrow{color:var(--lime)}
    .patterns{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .pattern{border:1px solid rgba(255,255,255,.13);border-radius:20px;padding:23px;background:rgba(255,255,255,.055);transition:.25s}
    .pattern:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}
    .pattern b{font-size:13px;color:var(--lime);letter-spacing:.1em}.pattern h3{font-size:21px;margin:10px 0 7px}.pattern p{font-size:13px;color:#c7d8ce}
    .compare{display:grid;grid-template-columns:1fr .92fr;gap:24px;align-items:stretch}
    .compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:0 12px 35px rgba(21,55,40,.05)}
    .compare-card h3{font-size:25px;line-height:1.3;margin-bottom:16px}
    .rule-list{list-style:none}.rule-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}.rule-list li:last-child{border:0}
    .rule-list i{font-style:normal;background:#e8f0dd;color:var(--green);width:24px;height:24px;line-height:24px;text-align:center;border-radius:50%;font-size:12px;font-weight:900;flex:none}
    .compare-side{border-radius:var(--radius);overflow:hidden;position:relative;min-height:340px}
    .compare-side:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,35,27,.92),transparent 70%)}
    .compare-side img{width:100%;height:100%;object-fit:cover}
    .compare-side div{position:absolute;z-index:1;left:30px;right:25px;bottom:28px;color:#fff}.compare-side h3{font-size:26px}.compare-side p{font-size:14px;color:#e2ece4;margin-top:8px}
    .scene-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
    .scene-big{position:relative;min-height:410px;border-radius:var(--radius);overflow:hidden;color:#fff}
    .scene-big:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,36,27,.9),rgba(9,36,27,.08))}
    .scene-big img{width:100%;height:100%;object-fit:cover}.scene-big div{position:absolute;z-index:1;bottom:30px;left:30px;right:30px}.scene-big h3{font-size:30px}.scene-big p{color:#e0ede3;font-size:14px;margin-top:8px}
    .scene-stack{display:grid;gap:18px}.scene-mini{padding:26px;background:#fff;border:1px solid var(--line);border-radius:20px}.scene-mini h3{font-size:19px;margin-bottom:8px}.scene-mini p{font-size:14px;color:var(--muted)}
    .safe-band{background:#e8f0dd}.safe-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:center}.safe-wrap h2{font-size:clamp(28px,4vw,44px);line-height:1.25;margin-top:12px}.safe-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.safe-point{padding:20px;border-radius:18px;background:rgba(255,255,255,.72);font-size:14px}.safe-point b{display:block;color:var(--green);margin-bottom:5px}
    .faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:68px}.faq-wrap h2{font-size:clamp(30px,4vw,44px);line-height:1.25;margin-top:13px}.faq-wrap>div>p{font-size:15px;color:var(--muted);margin-top:14px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden}.faq-item summary{padding:19px 22px;font-size:16px;font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:15px}.faq-item summary:after{content:"＋";color:var(--green);font-size:21px}.faq-item[open] summary:after{content:"－"}.faq-item p{padding:0 22px 20px;color:var(--muted);font-size:14px}
    .cta{padding:90px 0}.cta-box{background:linear-gradient(120deg,#155e4a,#102b25);border-radius:30px;padding:56px 7%;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px;overflow:hidden;position:relative}.cta-box:after{content:"♠";position:absolute;right:5%;top:-65px;color:rgba(217,242,124,.12);font-size:230px;line-height:1}.cta-box h2{font-size:clamp(30px,4vw,47px);line-height:1.2;position:relative;z-index:1}.cta-box p{color:#cce0d1;max-width:600px;margin-top:12px;position:relative;z-index:1}.cta-box .btn{position:relative;z-index:1;white-space:nowrap;background:var(--lime);color:var(--dark)}
    footer{background:#102b25;color:#d5e1d8;padding:48px 0 28px}.footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.13)}.footer-brand{font-size:24px;font-weight:900;color:#fff}.footer-brand span{color:var(--gold)}.footer-top p{max-width:520px;font-size:13px;color:#aabdb1;margin-top:10px}.footer-links{display:flex;gap:18px;align-items:center;font-size:13px;white-space:nowrap}.footer-links a:hover{color:var(--lime)}.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:12px;color:#9fb2a7}.avatar{display:inline-flex;width:27px;height:27px;align-items:center;justify-content:center;border-radius:50%;background:var(--lime);color:var(--dark);font-style:normal;font-weight:900;margin-right:8px}
    @media(max-width:1024px){.nav{gap:16px}.nav-links a{padding:8px 8px;font-size:12px}.locale{display:none}.hero-inner{gap:30px}.steps{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.section{padding:68px 0}.container{width:min(calc(100% - 30px),var(--max))}.menu-btn{display:block;order:2;margin-left:auto}.nav-tools{order:3}.nav-tools .btn{padding:10px 13px;font-size:12px}.nav-links{display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);padding:14px 20px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{font-size:14px}.hero-inner{grid-template-columns:1fr;padding:65px 0}.hero h1{font-size:45px}.invite-panel{max-width:530px}.section-head,.intro-grid,.compare,.scene-grid,.safe-wrap,.faq-wrap{grid-template-columns:1fr;display:grid;align-items:start}.section-head{gap:15px}.patterns{grid-template-columns:repeat(2,1fr)}.footer-top{display:block}.footer-links{margin-top:22px;flex-wrap:wrap}.cta-box{padding:38px 28px;display:block}.cta-box .btn{margin-top:25px}}
    @media(max-width:520px){.nav{height:68px}.nav-links{top:68px}.logo{font-size:21px}.nav-tools .btn{display:none}.hero h1{font-size:39px}.hero-copy>p{font-size:15px}.hero-inner{min-height:auto}.invite-panel{padding:23px}.steps,.patterns,.safe-points{grid-template-columns:1fr}.intro-grid img{height:285px}.section-head h2{font-size:31px}.compare-card{padding:24px}.cta{padding:65px 0}.footer-bottom{display:block}.footer-bottom div+div{margin-top:8px}}

/* roulang page: category3 */
:root{
      --ink:#17251f;--muted:#68766f;--paper:#f7f8f2;--card:#ffffff;--line:#dce4d8;
      --green:#155e4a;--green-2:#237c61;--lime:#d9f27c;--gold:#eebc54;--dark:#102b25;
      --shadow:0 20px 60px rgba(21,55,40,.11);--radius:24px;--max:1180px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;overflow-x:hidden}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(calc(100% - 40px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,248,242,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,228,216,.85)}
    .nav{height:76px;display:flex;align-items:center;gap:30px}
    .logo{font-size:22px;font-weight:900;letter-spacing:-.08em;white-space:nowrap;color:var(--green)}
    .logo span{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--gold);margin-left:5px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{font-size:13px;color:#53635b;padding:9px 12px;border-radius:12px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:#e8f0dd;color:var(--green);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .locale{font-size:12px;color:var(--muted);border:1px solid var(--line);padding:7px 10px;border-radius:999px;white-space:nowrap}
    .menu-btn{display:none;background:transparent;font-size:24px;color:var(--green)}
    .btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;padding:13px 20px;border-radius:14px;font-weight:800;font-size:14px;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 10px 25px rgba(21,94,74,.2)}
    .btn-primary:hover{background:var(--green-2);transform:translateY(-2px);box-shadow:0 15px 30px rgba(21,94,74,.28)}
    .btn-light{background:#fff;color:var(--green);border-color:var(--line)}
    .btn-light:hover{border-color:var(--green);transform:translateY(-2px)}
    .btn:focus,.nav a:focus,.faq-q:focus{outline:3px solid rgba(238,188,84,.55);outline-offset:3px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-2);font-size:12px;font-weight:800;letter-spacing:.15em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--gold)}
    .section{padding:96px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:40px}
    .section-head h2{font-size:clamp(29px,4vw,46px);line-height:1.2;letter-spacing:-.045em;margin:12px 0 0}
    .section-head p{max-width:520px;color:var(--muted);font-size:15px;margin:0}
    .page-hero{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:76px 0 92px}
    .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(95deg,rgba(10,37,30,.97) 0%,rgba(17,64,50,.92) 45%,rgba(18,62,49,.28) 100%),url("/assets/images/backpic/back-2.webp") center/cover}
    .page-hero .container{position:relative;z-index:1}
    .crumb{font-size:13px;color:#cfddd3;display:flex;gap:9px;align-items:center}
    .crumb span{color:var(--lime)}
    .hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:54px;align-items:center;margin-top:42px}
    .hero-copy h1{font-size:clamp(43px,6vw,76px);line-height:1.05;letter-spacing:-.08em;margin:20px 0 24px}
    .hero-copy p{font-size:17px;line-height:1.95;color:#dbe7df;max-width:550px;margin:0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .hero-copy .btn-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.35)}
    .hero-copy .btn-light:hover{background:#fff;color:var(--green)}
    .hero-kpis{display:flex;gap:0;margin-top:40px}
    .kpi{padding:0 23px;border-left:1px solid rgba(255,255,255,.25)}
    .kpi:first-child{padding-left:0;border-left:0}
    .kpi strong{display:block;font-size:25px;color:var(--lime)}
    .kpi span{display:block;font-size:12px;color:#c7d8cd}
    .hero-visual{min-height:445px;position:relative}
    .hero-photo{height:405px;width:100%;object-fit:cover;border-radius:30px;box-shadow:0 28px 65px rgba(0,0,0,.32);transform:skewY(-3deg);border:1px solid rgba(255,255,255,.3)}
    .hero-note{position:absolute;left:-28px;bottom:2px;width:260px;background:#fff;color:var(--ink);padding:20px;border-radius:18px;box-shadow:var(--shadow)}
    .hero-note b{display:block;font-size:14px;color:var(--green);margin-bottom:5px}
    .hero-note p{font-size:12px;line-height:1.65;color:var(--muted);margin:0}
    .notice{background:#e8f0dd;border:1px solid #d1e0c5;border-radius:18px;padding:18px 22px;display:flex;gap:15px;align-items:flex-start}
    .notice i{font-style:normal;background:var(--green);color:#fff;width:25px;height:25px;display:grid;place-items:center;border-radius:50%;font-size:13px;flex:none;margin-top:2px}
    .notice p{margin:0;font-size:14px;color:#3b5549}
    .rhythm-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}
    .image-frame{position:relative}
    .image-frame img{height:500px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .image-label{position:absolute;right:-18px;bottom:30px;background:var(--lime);padding:18px 20px;border-radius:17px;color:var(--dark);font-size:13px;font-weight:800;max-width:210px}
    .text-block h2{font-size:clamp(29px,4vw,43px);line-height:1.25;letter-spacing:-.045em;margin:13px 0 22px}
    .text-block p{color:var(--muted);font-size:15px;margin:0 0 18px}
    .check-list{padding:0;margin:25px 0 0;list-style:none;display:grid;gap:12px}
    .check-list li{display:flex;gap:11px;font-size:14px}
    .check-list li:before{content:"✓";color:var(--green-2);font-weight:900;background:#e8f0dd;border-radius:50%;width:22px;height:22px;text-align:center;line-height:22px;flex:none}
    .dark-section{background:var(--dark);color:#fff}
    .dark-section .section-head p{color:#bcd0c3}
    .step-layout{display:grid;grid-template-columns:260px 1fr;gap:58px;align-items:start}
    .step-side{position:sticky;top:105px}
    .step-side h2{font-size:38px;line-height:1.22;letter-spacing:-.05em;margin:13px 0 18px}
    .step-side p{font-size:14px;color:#bdd0c4}
    .step-list{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:74px 1fr;gap:22px;padding:25px 27px;border-radius:20px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
    .step:hover{transform:translateX(5px);background:rgba(255,255,255,.1)}
    .step-number{font-size:28px;font-weight:900;color:var(--lime);line-height:1}
    .step h3{font-size:19px;margin:0 0 7px}
    .step p{margin:0;color:#c9d7ce;font-size:14px}
    .scene-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .scene-card{min-height:300px;position:relative;overflow:hidden;border-radius:22px;color:#fff;padding:28px;display:flex;flex-direction:column;justify-content:end;background:#154736}
    .scene-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.65;transition:.5s}
    .scene-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,38,29,.94),rgba(9,38,29,.09))}
    .scene-card:hover img{transform:scale(1.06)}
    .scene-card>*{position:relative;z-index:1}
    .scene-card h3{font-size:22px;margin:0 0 7px}
    .scene-card p{font-size:13px;color:#dce9e1;margin:0}
    .scene-card:first-child h3{font-size:28px}
    .signal-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .signal-row{display:grid;grid-template-columns:170px 1fr 235px;gap:28px;align-items:center;padding:25px 30px;border-bottom:1px solid var(--line)}
    .signal-row:last-child{border-bottom:0}
    .signal-row b{color:var(--green);font-size:16px}
    .signal-row p{color:var(--muted);font-size:14px;margin:0}
    .signal-tag{font-size:12px;background:#f3f5ec;padding:8px 12px;border-radius:999px;text-align:center;color:#4d6558;font-weight:700}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:0 9px 28px rgba(21,55,40,.04)}
    .quote-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .quote-card .mark{font-size:38px;color:var(--gold);line-height:1}
    .quote-card p{font-size:15px;margin:13px 0 20px}
    .quote-card footer{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:10px}
    .avatar{display:inline-grid;place-items:center;width:29px;height:29px;border-radius:50%;font-style:normal;background:#e8f0dd;color:var(--green);font-weight:900}
    .guideline{display:grid;grid-template-columns:.9fr 1.1fr;gap:20px;background:#e7efe3;border-radius:var(--radius);overflow:hidden}
    .guideline img{height:100%;min-height:370px;width:100%;object-fit:cover}
    .guideline-copy{padding:48px}
    .guideline-copy h2{font-size:37px;line-height:1.25;letter-spacing:-.05em;margin:13px 0 18px}
    .guideline-copy p{font-size:15px;color:#4f6759}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
    .faq-intro h2{font-size:40px;line-height:1.2;letter-spacing:-.05em;margin:12px 0 17px}
    .faq-intro p{color:var(--muted);font-size:15px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;display:flex;justify-content:space-between;gap:20px;align-items:center;text-align:left;background:transparent;padding:22px 0;color:var(--ink);font-weight:800;font-size:16px}
    .faq-q span:last-child{color:var(--green);font-size:22px;transition:.25s}
    .faq-a{display:none;color:var(--muted);font-size:14px;padding:0 35px 22px 0}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{padding:0 0 100px}
    .cta-box{position:relative;overflow:hidden;padding:60px 64px;border-radius:30px;background:var(--green);color:#fff}
    .cta-box:after{content:"";position:absolute;width:380px;height:380px;border-radius:50%;right:-100px;top:-180px;background:var(--lime);opacity:.18}
    .cta-box>*{position:relative;z-index:1}
    .cta-box h2{font-size:clamp(31px,4vw,48px);line-height:1.18;letter-spacing:-.05em;max-width:700px;margin:12px 0 15px}
    .cta-box p{max-width:680px;color:#d5e4da;font-size:15px;margin:0}
    .cta-box .btn-light{margin-top:25px;background:var(--lime);color:var(--dark);border:0}
    .cta-box .btn-light:hover{background:#fff}
    footer{background:#0d241e;color:#b9ccc0;padding:37px 20px;text-align:center;font-size:13px}
    footer .avatar{margin-right:7px;background:#d9f27c;color:#155e4a;vertical-align:middle}
    .foot-meta{margin-top:14px;color:#8fa69a;font-size:12px}
    .foot-meta a{color:#d9f27c;margin:0 6px}
    @media(max-width:1024px){
      .nav{gap:14px}.nav-links a{padding:8px 8px;font-size:12px}.locale{display:none}
      .hero-grid{gap:34px}.hero-note{left:-12px}.scene-grid{grid-template-columns:1fr 1fr}.scene-card:first-child{grid-column:span 2}
      .signal-row{grid-template-columns:145px 1fr 150px}.faq-grid{gap:40px}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--max))}.nav{height:68px;justify-content:space-between}.menu-btn{display:block;order:3}
      .nav-tools{margin-left:auto}.nav-tools .btn{padding:10px 13px;font-size:12px}
      .nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:15px 16px;background:rgba(247,248,242,.98);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{font-size:14px;padding:12px}
      .page-hero{padding:52px 0 66px}.hero-grid,.rhythm-grid,.faq-grid,.guideline{grid-template-columns:1fr}.hero-grid{gap:35px}.hero-visual{min-height:auto}.hero-photo{height:330px;transform:none}.hero-note{left:14px;bottom:-16px}.hero-kpis{margin-top:30px}.kpi{padding:0 13px}.kpi strong{font-size:21px}
      .section{padding:70px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:14px}.image-frame img{height:360px}.image-label{right:12px}
      .step-layout{grid-template-columns:1fr;gap:28px}.step-side{position:static}.step-side h2,.faq-intro h2{font-size:34px}.step{grid-template-columns:54px 1fr;padding:22px}
      .quote-grid{grid-template-columns:1fr}.signal-row{grid-template-columns:1fr;gap:8px;padding:21px}.signal-tag{justify-self:start}.guideline-copy{padding:34px}.guideline img{min-height:280px}.cta-box{padding:40px 28px}
    }
    @media(max-width:520px){
      .nav-tools .btn{display:none}.hero-copy h1{font-size:43px}.hero-copy p{font-size:15px}.hero-actions .btn{width:100%}.hero-kpis{gap:5px}.kpi{padding:0 10px}.kpi span{font-size:10px}
      .scene-grid{grid-template-columns:1fr}.scene-card:first-child{grid-column:auto}.scene-card{min-height:235px}.section-head h2{font-size:31px}.guideline-copy h2{font-size:31px}.image-frame img{height:300px}.image-label{font-size:12px;padding:13px;max-width:165px}.cta{padding-bottom:70px}
    }

/* roulang page: category2 */
:root{
      --ink:#17251f;--muted:#68766f;--paper:#f7f8f2;--card:#ffffff;--line:#dce4d8;
      --green:#155e4a;--green-2:#237c61;--lime:#d9f27c;--gold:#eebc54;--dark:#102b25;
      --shadow:0 20px 60px rgba(21,55,40,.11);--radius:24px;--max:1180px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;overflow-x:hidden}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(calc(100% - 40px),var(--max));margin:auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-2);font-size:12px;font-weight:800;letter-spacing:.15em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--gold)}
    .section{padding:96px 0}
    .section-soft{background:#edf2e7}
    .section-dark{background:var(--dark);color:#fff}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:40px}
    .section-head h2{font-size:clamp(29px,4vw,46px);line-height:1.2;letter-spacing:-.045em;margin:12px 0 0}
    .section-head p{max-width:525px;margin:0;color:var(--muted);font-size:15px}
    .section-dark .eyebrow{color:var(--lime)}
    .section-dark .section-head p{color:#bfcdc4}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,248,242,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,228,216,.8)}
    .nav{height:76px;display:flex;align-items:center;gap:26px}
    .logo{font-size:22px;font-weight:900;letter-spacing:-.08em;white-space:nowrap;color:var(--green)}
    .logo span{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--gold);margin-left:5px}
    .nav-links{display:flex;align-items:center;gap:3px;flex:1}
    .nav-links a{font-size:13px;color:#53635b;padding:9px 11px;border-radius:12px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:#e8f0dd;color:var(--green);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .locale{font-size:12px;color:#64756c;border:1px solid var(--line);background:#fff;padding:7px 10px;border-radius:99px;white-space:nowrap}
    .menu-btn{display:none;background:transparent;font-size:24px;color:var(--green)}
    .btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;padding:13px 20px;border-radius:14px;font-weight:800;font-size:14px;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 10px 25px rgba(21,94,74,.2)}
    .btn-primary:hover{background:var(--green-2);transform:translateY(-2px);box-shadow:0 15px 30px rgba(21,94,74,.28)}
    .btn-light{background:#fff;color:var(--green);border-color:var(--line)}
    .btn-light:hover{border-color:var(--green);transform:translateY(-2px)}
    .btn:focus,.nav a:focus,summary:focus{outline:3px solid rgba(238,188,84,.55);outline-offset:3px}
    .inner-hero{position:relative;overflow:hidden;background:linear-gradient(100deg,rgba(11,42,35,.96),rgba(16,60,46,.82)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff}
    .inner-hero:after{content:"";position:absolute;width:480px;height:480px;border:1px solid rgba(217,242,124,.28);border-radius:50%;right:-130px;top:-130px}
    .inner-hero .container{position:relative;z-index:1;padding:102px 0 94px}
    .crumb{font-size:13px;color:#bbcdc1;margin-bottom:26px}
    .crumb a:hover{color:var(--lime)}
    .inner-hero h1{max-width:790px;font-size:clamp(42px,6vw,76px);line-height:1.08;letter-spacing:-.075em;margin:16px 0 24px}
    .inner-hero p{max-width:700px;color:#dce8df;font-size:17px;margin:0}
    .hero-tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:31px}
    .hero-tags span{font-size:12px;border:1px solid rgba(255,255,255,.22);border-radius:99px;padding:7px 12px;background:rgba(255,255,255,.08)}
    .notice{border:1px solid #d7e1b7;background:#f4f9df;border-radius:18px;padding:19px 22px;display:flex;gap:14px;align-items:flex-start;color:#415133;font-size:14px}
    .notice b{color:var(--green);white-space:nowrap}
    .rank-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:48px;align-items:start}
    .rank-copy{position:sticky;top:105px}
    .rank-copy h2{font-size:clamp(31px,4vw,48px);line-height:1.2;letter-spacing:-.05em;margin:13px 0 20px}
    .rank-copy p{color:var(--muted);font-size:16px}
    .rank-list{display:grid;gap:13px}
    .rank-item{display:grid;grid-template-columns:65px 1fr auto;gap:16px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:19px 21px;transition:.25s}
    .rank-item:hover{transform:translateX(5px);border-color:#b8cfa9;box-shadow:0 12px 28px rgba(26,63,43,.08)}
    .rank-no{font-weight:900;font-size:14px;color:var(--green-2)}
    .rank-item h3{font-size:18px;margin:0 0 3px}
    .rank-item p{font-size:13px;color:var(--muted);margin:0}
    .rank-mark{font-size:12px;font-weight:800;color:#8da11f;background:#eff5cf;border-radius:99px;padding:5px 10px}
    .pattern-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .pattern-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:25px;min-height:260px;position:relative;overflow:hidden;transition:.25s}
    .pattern-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#bdd3af}
    .pattern-card:nth-child(2){background:#eef4df}
    .pattern-card:nth-child(5){background:#163c30;color:#fff;border-color:#163c30}
    .pattern-card small{font-weight:800;color:var(--green-2);letter-spacing:.08em}
    .pattern-card:nth-child(5) small{color:var(--lime)}
    .pattern-card h3{font-size:25px;margin:12px 0 9px;line-height:1.2}
    .pattern-card p{font-size:14px;color:var(--muted);margin:0}
    .pattern-card:nth-child(5) p{color:#cad8ce}
    .mini-cards{display:flex;gap:7px;margin-top:22px}
    .playing-card{display:flex;width:39px;height:54px;align-items:center;justify-content:center;background:#fff;color:#bd3540;border-radius:7px;box-shadow:0 5px 13px rgba(17,44,34,.14);font-size:15px;font-weight:900;border:1px solid #e5e6e1}
    .playing-card.black{color:#183f34}
    .compare-wrap{border-radius:var(--radius);overflow:hidden;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow)}
    .compare-top{padding:28px 32px;background:#173d31;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:20px}
    .compare-top h2{font-size:26px;margin:0}
    .compare-top p{margin:4px 0 0;color:#c7d8cd;font-size:13px}
    .compare-rows{padding:8px 32px}
    .compare-row{display:grid;grid-template-columns:160px 1fr 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--line);align-items:center}
    .compare-row:last-child{border:0}
    .compare-row h3{font-size:16px;margin:0}
    .compare-row p{font-size:13px;color:var(--muted);margin:0}
    .compare-label{font-size:12px;color:var(--green-2);font-weight:800;display:block;margin-bottom:5px}
    .split-story{display:grid;grid-template-columns:1fr 1fr;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .story-image{min-height:480px;position:relative}
    .story-image img{width:100%;height:100%;object-fit:cover}
    .story-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(13,42,33,.55))}
    .story-content{padding:54px;display:flex;flex-direction:column;justify-content:center}
    .story-content h2{font-size:clamp(30px,4vw,43px);line-height:1.22;letter-spacing:-.04em;margin:14px 0 19px}
    .story-content>p{color:var(--muted);font-size:15px}
    .check-list{list-style:none;padding:0;margin:23px 0 0;display:grid;gap:13px}
    .check-list li{display:flex;gap:11px;font-size:14px}
    .check-list li:before{content:"✓";color:var(--green-2);font-weight:900;background:#e8f0dd;border-radius:50%;width:22px;height:22px;text-align:center;line-height:22px;flex:none}
    .scene-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .scene-main{position:relative;min-height:350px;border-radius:var(--radius);padding:35px;overflow:hidden;color:#fff;background:linear-gradient(100deg,rgba(11,44,35,.93),rgba(12,54,40,.45)),url("/assets/images/coverpic/cover-7.webp") center/cover}
    .scene-main h2{font-size:37px;line-height:1.22;max-width:490px;margin:14px 0}
    .scene-main p{max-width:540px;color:#d5e2d9;font-size:15px}
    .scene-side{display:grid;gap:18px}
    .scene-note{border-radius:20px;padding:27px;background:#e7efcf}
    .scene-note:nth-child(2){background:#fff;border:1px solid var(--line)}
    .scene-note h3{font-size:20px;margin:0 0 9px}
    .scene-note p{color:#53635b;font-size:14px;margin:0}
    .flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:flow}
    .flow-step{position:relative;padding:28px 23px 23px;border-top:2px solid #91ae70;background:rgba(255,255,255,.06)}
    .flow-step:before{counter-increment:flow;content:"0" counter(flow);display:block;color:var(--lime);font-size:14px;font-weight:900;margin-bottom:30px}
    .flow-step h3{font-size:19px;margin:0 0 9px}
    .flow-step p{font-size:13px;color:#c0d0c5;margin:0}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:58px}
    .faq-layout h2{font-size:clamp(31px,4vw,46px);line-height:1.2;letter-spacing:-.05em;margin:13px 0}
    .faq-layout>div>p{color:var(--muted)}
    .faq-list{display:grid;gap:11px}
    details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 21px;transition:.2s}
    details[open]{border-color:#aecb9c;box-shadow:0 8px 24px rgba(21,55,40,.06)}
    summary{cursor:pointer;padding:18px 30px 18px 0;font-size:16px;font-weight:800;position:relative;list-style:none}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;top:13px;font-size:25px;color:var(--green-2);font-weight:400}
    details[open] summary:after{content:"−"}
    details p{font-size:14px;color:var(--muted);padding:0 0 19px;margin:0}
    .cta-box{background:linear-gradient(120deg,#155e4a,#173d31);border-radius:var(--radius);padding:63px;position:relative;overflow:hidden;color:#fff}
    .cta-box:before,.cta-box:after{content:"";position:absolute;border:1px solid rgba(217,242,124,.25);border-radius:50%}
    .cta-box:before{width:300px;height:300px;right:-70px;top:-170px}
    .cta-box:after{width:170px;height:170px;right:140px;bottom:-125px}
    .cta-box>*{position:relative;z-index:1}
    .cta-box h2{max-width:700px;font-size:clamp(31px,5vw,53px);line-height:1.15;letter-spacing:-.055em;margin:12px 0 18px}
    .cta-box p{max-width:650px;color:#d4e2d8;font-size:16px}
    .cta-box .btn{margin-top:18px;background:var(--lime);color:#153b2d}
    .cta-box .btn:hover{background:#efffb6;transform:translateY(-2px)}
    footer{background:#102b25;color:#c3d1c8;padding:54px 0 25px;margin-top:96px}
    .footer-grid{display:grid;grid-template-columns:1.25fr 2fr;gap:55px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.14)}
    .footer-brand{font-size:27px;font-weight:900;color:#fff;letter-spacing:-.08em}
    .footer-brand span{color:var(--gold)}
    .footer-copy{font-size:13px;max-width:370px;color:#b6c8bd;margin:14px 0 0}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .footer-links h3{font-size:13px;color:var(--lime);margin:0 0 12px}
    .footer-links a{display:block;font-size:13px;margin:8px 0;color:#c3d1c8}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:21px;font-size:12px;color:#93aa9d}
    footer .avatar{display:inline-flex;width:23px;height:23px;justify-content:center;align-items:center;border-radius:50%;font-size:12px;font-style:normal;background:#d9f27c;color:#153b2d;margin-right:7px}
    @media(max-width:1024px){
      .nav{gap:15px}.nav-links a{padding:8px 8px;font-size:12px}.locale{display:none}
      .rank-layout,.faq-layout{gap:32px}.pattern-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 30px),var(--max))}.section{padding:70px 0}
      .menu-btn{display:block;margin-left:auto}.nav{height:68px}.nav-tools{display:none}
      .nav-links{display:none;position:absolute;top:68px;left:15px;right:15px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:11px 13px}
      .inner-hero .container{padding:76px 0}.inner-hero h1{font-size:45px}.section-head{display:block;margin-bottom:29px}.section-head p{margin-top:15px}
      .rank-layout,.split-story,.scene-grid,.faq-layout{grid-template-columns:1fr}.rank-copy{position:static}.story-image{min-height:300px}.story-content{padding:35px}
      .flow-grid{grid-template-columns:repeat(2,1fr)}.compare-row{grid-template-columns:120px 1fr}.compare-row>div:last-child{grid-column:2}.footer-grid{grid-template-columns:1fr;gap:30px}
    }
    @media(max-width:520px){
      .inner-hero h1{font-size:38px}.inner-hero p{font-size:15px}.pattern-grid,.flow-grid{grid-template-columns:1fr}
      .rank-item{grid-template-columns:47px 1fr;padding:17px}.rank-mark{display:none}.compare-top{padding:23px}.compare-rows{padding:6px 20px}.compare-row{grid-template-columns:1fr;gap:9px}.compare-row>div:last-child{grid-column:auto}
      .scene-main{padding:27px;min-height:320px}.scene-main h2{font-size:31px}.cta-box{padding:37px 28px}.footer-links{grid-template-columns:1fr 1fr}.footer-bottom{display:block;line-height:2}
    }

/* roulang page: category4 */
:root{
      --ink:#17251f;--muted:#68766f;--paper:#f7f8f2;--card:#ffffff;--line:#dce4d8;
      --green:#155e4a;--green-2:#237c61;--lime:#d9f27c;--gold:#eebc54;--dark:#102b25;
      --shadow:0 20px 60px rgba(21,55,40,.11);--radius:24px;--max:1180px
    }
    *{box-sizing:border-box;margin:0}
    html{scroll-behavior:smooth}
    body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;overflow-x:hidden}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(calc(100% - 40px),var(--max));margin:auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-2);font-size:12px;font-weight:800;letter-spacing:.15em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--gold)}
    .section{padding:96px 0}
    .section-soft{background:#edf2e9}
    .section-dark{background:var(--dark);color:#fff}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:42px}
    .section-head h2{font-size:clamp(29px,4vw,47px);line-height:1.18;letter-spacing:-.05em;margin-top:11px;font-weight:900}
    .section-head p{max-width:540px;color:var(--muted);font-size:15px}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,248,242,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,228,216,.85)}
    .nav{height:76px;display:flex;align-items:center;gap:24px}
    .logo{font-size:22px;font-weight:900;letter-spacing:-.08em;white-space:nowrap;color:var(--green)}
    .logo span{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--gold);margin-left:5px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{font-size:13px;color:#53635b;padding:9px 12px;border-radius:12px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:#e8f0dd;color:var(--green);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .locale{padding:7px 10px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px;white-space:nowrap}
    .menu-btn{display:none;background:transparent;font-size:24px;color:var(--green)}
    .btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;padding:13px 20px;border-radius:14px;font-weight:800;font-size:14px;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 10px 25px rgba(21,94,74,.2)}
    .btn-primary:hover{background:var(--green-2);transform:translateY(-2px);box-shadow:0 15px 30px rgba(21,94,74,.28)}
    .btn-light{background:#fff;color:var(--green);border-color:var(--line)}
    .btn-light:hover{border-color:var(--green);transform:translateY(-2px)}
    .btn:focus,.nav a:focus,button:focus{outline:3px solid rgba(238,188,84,.6);outline-offset:3px}
    .inner-hero{position:relative;overflow:hidden;min-height:500px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(10,42,33,.95),rgba(14,60,46,.77),rgba(14,60,46,.30)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff}
    .inner-hero:after{content:"";position:absolute;inset:auto 0 0;height:100px;background:linear-gradient(transparent,var(--paper))}
    .inner-hero .container{position:relative;z-index:1;padding:88px 0 124px}
    .inner-hero .eyebrow{color:var(--lime)}
    .inner-hero h1{max-width:760px;margin:18px 0;font-size:clamp(43px,6.4vw,78px);line-height:1.06;letter-spacing:-.075em;font-weight:900}
    .inner-hero p{max-width:650px;font-size:17px;line-height:1.95;color:#e3eee7}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:29px}
    .inner-hero .btn-light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.34);color:#fff}
    .inner-hero .btn-light:hover{background:#fff;color:var(--green)}
    .hero-meta{display:flex;gap:26px;flex-wrap:wrap;margin-top:40px;color:#cfe0d3;font-size:13px}
    .hero-meta b{color:var(--lime);font-size:17px;margin-right:5px}
    .intro-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:64px;align-items:center}
    .intro-grid h2,.wide-copy h2{font-size:clamp(29px,4vw,45px);line-height:1.22;letter-spacing:-.045em;font-weight:900;margin:12px 0 20px}
    .intro-grid p,.wide-copy p{color:var(--muted);margin-bottom:16px;font-size:15px}
    .image-frame{position:relative}
    .image-frame img{width:100%;height:430px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .image-note{position:absolute;right:-18px;bottom:24px;width:225px;padding:18px 20px;background:#fff;border-radius:18px;box-shadow:var(--shadow)}
    .image-note strong{display:block;color:var(--green);font-size:28px;line-height:1}
    .image-note span{font-size:12px;color:var(--muted)}
    .check-list{list-style:none;display:grid;gap:12px;margin-top:25px;padding:0}
    .check-list li{display:flex;gap:11px;font-size:14px}
    .check-list li:before{content:"✓";color:var(--green-2);font-weight:900;background:#e8f0dd;border-radius:50%;width:22px;height:22px;text-align:center;line-height:22px;flex:none}
    .value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}
    .value-card{padding:27px 23px;background:#fff;border:1px solid var(--line);border-radius:20px;transition:.25s}
    .value-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#b8cfbc}
    .value-no{display:block;color:var(--gold);font-weight:900;font-size:14px;letter-spacing:.08em}
    .value-card h3{font-size:19px;margin:15px 0 8px;font-weight:900}
    .value-card p{color:var(--muted);font-size:13px;line-height:1.85}
    .rules-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;align-items:start}
    .rules-aside{padding:32px;border-radius:var(--radius);background:var(--green);color:#fff;position:sticky;top:105px}
    .rules-aside h2{font-size:34px;line-height:1.25;font-weight:900;margin:13px 0}
    .rules-aside p{font-size:14px;color:#d7e9dd}
    .rules-aside .btn{margin-top:24px}
    .rule-row{display:grid;grid-template-columns:70px 1fr;gap:21px;padding:25px 0;border-bottom:1px solid var(--line)}
    .rule-row:first-child{padding-top:2px}
    .rule-row:last-child{border-bottom:0}
    .rule-index{height:46px;width:46px;display:grid;place-items:center;background:#e8f0dd;border-radius:14px;color:var(--green);font-weight:900}
    .rule-row h3{font-size:20px;font-weight:900;margin-bottom:6px}
    .rule-row p{font-size:14px;color:var(--muted)}
    .scene-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:18px}
    .scene-card{min-height:315px;padding:29px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden;border-radius:22px;background-size:cover;background-position:center;color:#fff}
    .scene-card:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,38,29,.92),rgba(9,38,29,.13))}
    .scene-card>*{position:relative}
    .scene-card:first-child{min-height:420px}
    .scene-card .badge{align-self:flex-start;margin-bottom:auto}
    .badge{display:inline-flex;width:max-content;padding:5px 10px;border-radius:999px;background:rgba(217,242,124,.92);color:var(--dark);font-size:11px;font-weight:900}
    .scene-card h3{font-size:24px;line-height:1.25;font-weight:900;margin-bottom:8px}
    .scene-card p{font-size:13px;color:#e5eee8}
    .wide-copy{display:grid;grid-template-columns:1fr .82fr;gap:66px;align-items:center}
    .quote-box{padding:35px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .quote-box .mark{font-size:58px;line-height:.8;color:var(--gold);font-family:Georgia,serif}
    .quote-box p{font-size:18px;line-height:1.85;color:var(--ink);font-weight:700;margin:13px 0 21px}
    .quote-box footer{font-size:13px;color:var(--muted)}
    .timeline{position:relative;padding-left:28px;margin-top:24px}
    .timeline:before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;background:#c8d8ca}
    .timeline-item{position:relative;padding:0 0 22px 22px}
    .timeline-item:before{content:"";position:absolute;left:-1px;top:7px;width:13px;height:13px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px #edf2e9}
    .timeline-item b{display:block;font-size:15px}
    .timeline-item span{display:block;color:var(--muted);font-size:13px}
    .support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .support-card{padding:30px;border-radius:20px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15)}
    .support-card .icon{display:grid;place-items:center;width:47px;height:47px;margin-bottom:21px;border-radius:14px;background:rgba(217,242,124,.16);color:var(--lime);font-size:21px}
    .support-card h3{font-size:20px;font-weight:900;margin-bottom:8px}
    .support-card p{font-size:14px;color:#c5d7cb}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}
    .faq-layout h2{font-size:clamp(30px,4vw,46px);line-height:1.18;letter-spacing:-.05em;font-weight:900;margin:13px 0}
    .faq-layout>div>p{font-size:14px;color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;padding:21px 3px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:transparent;text-align:left;color:var(--ink);font-size:16px;font-weight:800}
    .faq-q span:last-child{color:var(--green);font-size:23px;font-weight:400;transition:.2s}
    .faq-a{display:none;padding:0 35px 21px 3px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{padding:78px 0;background:linear-gradient(120deg,#155e4a,#103d31);color:#fff;overflow:hidden;position:relative}
    .cta:after{content:"";position:absolute;width:330px;height:330px;right:-80px;top:-130px;border:50px solid rgba(217,242,124,.12);border-radius:50%}
    .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:40px}
    .cta h2{max-width:670px;font-size:clamp(30px,4.4vw,53px);line-height:1.16;letter-spacing:-.05em;font-weight:900;margin:12px 0}
    .cta p{max-width:640px;color:#d8e8dc;font-size:15px}
    .cta .eyebrow{color:var(--lime)}
    .cta .btn-light{background:var(--lime);border-color:var(--lime);color:var(--dark);white-space:nowrap}
    .cta .btn-light:hover{background:#fff;border-color:#fff}
    footer{background:#0c211b;color:#d3e0d6;padding:55px 0 25px}
    .footer-top{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:40px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand .logo{display:inline-block;color:#fff;margin-bottom:15px}
    .footer-brand p{max-width:390px;font-size:13px;color:#aac0b2}
    .footer-col h3{font-size:14px;color:#fff;margin-bottom:13px}
    .footer-col a{display:block;width:max-content;font-size:13px;color:#aac0b2;margin:7px 0}
    .footer-col a:hover{color:var(--lime)}
    .footer-bottom{padding-top:23px;display:flex;gap:16px;justify-content:space-between;align-items:center;flex-wrap:wrap;font-size:12px;color:#91aa9a}
    .footer-bottom nav{display:flex;gap:12px;align-items:center}
    .footer-bottom nav a:hover{color:#fff}
    .visitor{display:flex;align-items:center;gap:8px}
    .avatar{font-style:normal;width:28px;height:28px;display:inline-grid;place-items:center;border-radius:50%;background:var(--gold);color:var(--dark);font-weight:900}
    @media(max-width:1024px){
      .nav{gap:15px}.nav-links a{padding:8px 8px;font-size:12px}.locale{display:none}
      .value-grid{grid-template-columns:repeat(2,1fr)}.scene-grid{grid-template-columns:1fr 1fr}.scene-card:first-child{grid-column:span 2}
      .intro-grid,.wide-copy,.faq-layout{gap:42px}.support-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 30px),var(--max))}.section{padding:68px 0}.section-head{display:block;margin-bottom:30px}.section-head p{margin-top:15px}
      .nav{height:68px;justify-content:space-between}.menu-btn{display:block;order:2}.nav-tools{order:3}.nav-tools .btn{padding:10px 12px;font-size:12px}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 15px 18px;background:rgba(247,248,242,.98);border-bottom:1px solid var(--line);box-shadow:0 16px 30px rgba(21,55,40,.08);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{font-size:14px;padding:11px 12px}
      .inner-hero{min-height:470px}.inner-hero .container{padding:70px 0 100px}.inner-hero h1{font-size:47px}.inner-hero p{font-size:15px}
      .intro-grid,.rules-wrap,.wide-copy,.faq-layout{grid-template-columns:1fr;gap:30px}.image-frame img{height:340px}.rules-aside{position:static}.scene-grid{grid-template-columns:1fr}.scene-card:first-child{grid-column:auto;min-height:340px}.scene-card{min-height:280px}.cta-inner{display:block}.cta .btn{margin-top:27px}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:span 2}
    }
    @media(max-width:520px){
      .nav-tools .btn{display:none}.inner-hero h1{font-size:39px}.hero-meta{gap:12px 18px}.value-grid,.support-grid{grid-template-columns:1fr}.image-note{right:12px;bottom:-14px;width:195px}.image-frame{padding-bottom:25px}.section-head h2{font-size:31px}.rule-row{grid-template-columns:52px 1fr;gap:13px}.footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{align-items:flex-start;flex-direction:column}.footer-bottom nav{flex-wrap:wrap}
    }

/* roulang page: category5 */
:root{
      --ink:#17251f;--muted:#68766f;--paper:#f7f8f2;--card:#ffffff;--line:#dce4d8;
      --green:#155e4a;--green-2:#237c61;--lime:#d9f27c;--gold:#eebc54;--dark:#102b25;
      --shadow:0 20px 60px rgba(21,55,40,.11);--radius:24px;--max:1180px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;overflow-x:hidden}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(calc(100% - 40px),var(--max));margin:auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-2);font-size:12px;font-weight:800;letter-spacing:.14em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--gold)}
    .section{padding:92px 0}
    .section-soft{background:#eef2e9}
    .section-dark{background:var(--dark);color:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:38px}
    .section-head h2{max-width:650px;margin:12px 0 0;font-size:clamp(29px,4vw,46px);line-height:1.2;letter-spacing:-.045em}
    .section-head p{max-width:470px;margin:0;color:var(--muted);font-size:15px}
    .section-dark .eyebrow{color:var(--lime)}
    .section-dark .section-head p{color:#c5d2c8}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(247,248,242,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,228,216,.86)}
    .nav{height:76px;display:flex;align-items:center;gap:30px}
    .logo{font-size:22px;font-weight:900;letter-spacing:-.08em;white-space:nowrap;color:var(--green)}
    .logo span{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--gold);margin-left:5px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{font-size:13px;color:#53635b;padding:9px 12px;border-radius:12px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:#e8f0dd;color:var(--green);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .locale{padding:7px 10px;border:1px solid var(--line);border-radius:99px;font-size:11px;color:var(--muted);white-space:nowrap}
    .menu-btn{display:none;background:transparent;font-size:24px;color:var(--green)}
    .btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;padding:13px 20px;border-radius:14px;font-weight:800;font-size:14px;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 10px 25px rgba(21,94,74,.2)}
    .btn-primary:hover{background:var(--green-2);transform:translateY(-2px);box-shadow:0 15px 30px rgba(21,94,74,.28)}
    .btn-light{background:#fff;color:var(--green);border-color:var(--line)}
    .btn-light:hover{border-color:var(--green);transform:translateY(-2px)}
    .btn:focus,.nav a:focus,.faq-question:focus{outline:3px solid rgba(238,188,84,.55);outline-offset:3px}
    .safe-hero{padding:76px 0 78px;background:linear-gradient(112deg,rgba(12,46,37,.96),rgba(18,82,62,.84)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff}
    .safe-hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:58px;align-items:center}
    .safe-hero .eyebrow{color:var(--lime)}
    .safe-hero h1{margin:18px 0 20px;font-size:clamp(42px,6vw,72px);line-height:1.08;letter-spacing:-.075em}
    .safe-hero p{max-width:620px;margin:0;color:#deebe1;font-size:17px}
    .safe-hero .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .safe-hero .btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.38)}
    .safe-hero .btn-light:hover{background:#fff;color:var(--green)}
    .paper-card{position:relative;padding:25px;background:#fdfdf8;color:var(--ink);border-radius:22px;box-shadow:0 24px 60px rgba(0,0,0,.22);transform:rotate(1.7deg)}
    .paper-card:before{content:"";position:absolute;left:0;top:0;width:100%;height:8px;border-radius:22px 22px 0 0;background:var(--lime)}
    .paper-cover{display:grid;grid-template-columns:125px 1fr;gap:20px;padding-bottom:20px;border-bottom:1px solid var(--line)}
    .paper-cover img{width:125px;height:165px;object-fit:cover;border-radius:14px}
    .paper-cover h2{margin:5px 0 9px;font-size:25px;line-height:1.3}
    .paper-cover p{font-size:13px;color:var(--muted);line-height:1.7}
    .paper-index{margin:20px 0 0;padding:0;list-style:none;counter-reset:item}
    .paper-index li{counter-increment:item;display:flex;justify-content:space-between;gap:15px;padding:9px 0;font-size:13px;border-bottom:1px dashed var(--line)}
    .paper-index li:before{content:"0" counter(item);color:var(--green-2);font-weight:900}
    .paper-index span{margin-left:auto;color:var(--muted)}
    .trust-strip{margin-top:-1px;background:#d9f27c}
    .trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
    .trust-item{padding:20px 24px;border-right:1px solid rgba(21,94,74,.17);font-size:14px;font-weight:800;color:var(--green)}
    .trust-item small{display:block;margin-top:2px;color:#39705d;font-size:12px;font-weight:500}
    .intro-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:70px;align-items:start}
    .intro-copy p{margin:0 0 20px;color:#4c5d54;font-size:16px}
    .rule-board{padding:12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .rule-row{display:grid;grid-template-columns:42px 1fr auto;gap:15px;align-items:center;padding:19px 13px;border-bottom:1px solid var(--line)}
    .rule-row:last-child{border-bottom:0}
    .rule-num{width:34px;height:34px;display:grid;place-items:center;background:#e8f0dd;border-radius:50%;font-size:12px;font-weight:900;color:var(--green)}
    .rule-row h3{margin:0;font-size:16px}
    .rule-row p{margin:2px 0 0;color:var(--muted);font-size:13px}
    .rule-mark{font-size:18px;color:var(--green-2);font-weight:900}
    .boundary-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
    .boundary-image{min-height:560px;border-radius:var(--radius);overflow:hidden;position:relative;background:var(--dark)}
    .boundary-image img{width:100%;height:100%;object-fit:cover;opacity:.75}
    .boundary-caption{position:absolute;inset:auto 26px 26px;color:#fff}
    .boundary-caption b{display:inline-block;padding:5px 11px;background:rgba(217,242,124,.9);color:var(--green);border-radius:99px;font-size:12px}
    .boundary-caption h3{margin:10px 0 8px;font-size:28px;line-height:1.25}
    .boundary-caption p{margin:0;color:#e5efe7;font-size:14px}
    .boundary-list{display:grid;gap:15px}
    .boundary-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:19px;transition:.25s}
    .boundary-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bfd3c2}
    .boundary-card .icon{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:#e8f0dd;color:var(--green);font-size:19px}
    .boundary-card h3{margin:14px 0 6px;font-size:18px}
    .boundary-card p{margin:0;color:var(--muted);font-size:14px}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scene-card{padding:28px;min-height:264px;border-radius:20px;background:#fff;border:1px solid var(--line);position:relative;overflow:hidden}
    .scene-card:after{content:"";position:absolute;width:100px;height:100px;right:-22px;bottom:-35px;border-radius:50%;background:#e8f0dd}
    .scene-card:nth-child(2):after{background:#fff0cf}
    .scene-card:nth-child(3):after{background:#d9f27c}
    .scene-card .tag{display:inline-block;padding:5px 10px;background:#f0f3ed;border-radius:99px;color:var(--green-2);font-size:11px;font-weight:800}
    .scene-card h3{margin:29px 0 10px;font-size:21px}
    .scene-card p{position:relative;z-index:1;margin:0;color:var(--muted);font-size:14px}
    .timeline{max-width:920px;margin:0 auto;position:relative}
    .timeline:before{content:"";position:absolute;left:19px;top:20px;bottom:20px;width:1px;background:#9ec7a9}
    .time-item{display:grid;grid-template-columns:58px 1fr;gap:20px;position:relative;padding:0 0 29px}
    .time-dot{width:39px;height:39px;display:grid;place-items:center;z-index:1;border-radius:50%;background:var(--lime);color:var(--green);font-size:12px;font-weight:900}
    .time-content{padding:19px 22px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:16px}
    .time-content h3{margin:0 0 5px;font-size:17px}
    .time-content p{margin:0;color:#c9d7cf;font-size:14px}
    .notice{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .notice-box{padding:28px;border-radius:20px;border:1px solid var(--line);background:#fff}
    .notice-box.warn{background:#fff9ed;border-color:#f0ddb2}
    .notice-box h3{margin:0 0 12px;font-size:20px}
    .notice-box p{margin:0;color:var(--muted);font-size:14px}
    .notice-box ul{padding:0;margin:16px 0 0;list-style:none}
    .notice-box li{display:flex;gap:9px;margin:9px 0;font-size:14px;color:#46594e}
    .notice-box li:before{content:"✓";color:var(--green-2);font-weight:900}
    .notice-box.warn li:before{content:"!";color:#b47716}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
    .faq-intro 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%;padding:21px 4px;background:transparent;color:var(--ink);display:flex;justify-content:space-between;gap:18px;text-align:left;font-size:16px;font-weight:800}
    .faq-question span:last-child{color:var(--green);font-size:22px;line-height:1}
    .faq-answer{display:none;padding:0 4px 20px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:75px 0;background:linear-gradient(105deg,#155e4a,#0f3b31);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{max-width:680px;margin:12px 0 0;font-size:clamp(30px,4vw,48px);line-height:1.2;letter-spacing:-.05em}
    .cta p{max-width:670px;margin:18px 0 0;color:#cddcd1;font-size:15px}
    .cta .btn-light{background:var(--lime);border-color:var(--lime);color:var(--green)}
    .cta .btn-light:hover{background:#fff;border-color:#fff}
    footer{background:#0c241e;color:#c3d0c8;padding:54px 0 25px}
    .footer-main{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:35px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer-brand{font-size:27px;font-weight:900;letter-spacing:-.08em;color:#fff}
    .footer-brand span{color:var(--lime)}
    .footer-desc{max-width:410px;margin:12px 0 0;color:#aebeb4;font-size:13px}
    .footer-col h3{margin:0 0 12px;color:#fff;font-size:14px}
    .footer-col a{display:block;margin:8px 0;color:#b7c8bd;font-size:13px}
    .footer-col a:hover{color:var(--lime)}
    .footer-bottom{display:flex;justify-content:space-between;align-items:end;gap:24px;padding-top:22px;font-size:12px;color:#91a79a}
    .record-links{display:flex;flex-wrap:wrap;gap:10px 16px}
    .record-links a:hover{color:var(--lime)}
    .avatar{display:inline-grid;place-items:center;width:23px;height:23px;margin-right:7px;border-radius:50%;background:var(--lime);color:var(--green);font-style:normal;font-size:11px;font-weight:900}
    @media(max-width:1024px){
      .nav{gap:16px}.nav-links a{padding:8px 8px;font-size:12px}.locale{display:none}
      .safe-hero-grid,.intro-grid,.faq-wrap{gap:38px}.boundary-layout{grid-template-columns:1fr}.boundary-image{min-height:360px}
      .scene-grid{grid-template-columns:1fr 1fr}.trust-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 30px),var(--max))}.section{padding:68px 0}.section-head{display:block;margin-bottom:27px}.section-head p{margin-top:15px}
      .nav{height:68px;justify-content:space-between}.menu-btn{display:block;order:3}.nav-tools{display:none}
      .nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:14px 15px 18px;background:rgba(247,248,242,.98);border-bottom:1px solid var(--line);box-shadow:0 14px 25px rgba(20,50,36,.08);flex-direction:column;align-items:stretch}
      .nav-links.show{display:flex}.nav-links a{padding:12px 14px;font-size:14px}
      .safe-hero{padding:58px 0}.safe-hero-grid,.intro-grid,.faq-wrap{grid-template-columns:1fr}.safe-hero h1{font-size:45px}.paper-card{max-width:550px;margin:0 auto;transform:none}
      .paper-cover{grid-template-columns:100px 1fr}.paper-cover img{width:100px;height:138px}.trust-grid{grid-template-columns:1fr 1fr}.trust-item{padding:16px}
      .scene-grid,.notice{grid-template-columns:1fr}.cta-inner,.footer-bottom{display:block}.cta .btn{margin-top:25px}.footer-main{grid-template-columns:1fr 1fr}.footer-bottom{line-height:2}.record-links{margin-top:10px}
    }
    @media(max-width:520px){
      .safe-hero h1{font-size:38px}.safe-hero p{font-size:15px}.paper-card{padding:19px}.paper-cover h2{font-size:21px}
      .trust-grid{grid-template-columns:1fr}.trust-item{border-bottom:1px solid rgba(21,94,74,.17);border-right:0}.trust-item:last-child{border-bottom:0}
      .rule-row{grid-template-columns:36px 1fr}.rule-mark{display:none}.boundary-card{padding:21px}.footer-main{grid-template-columns:1fr}.section-head h2{font-size:30px}
    }

/* roulang page: category6 */
:root{
      --ink:#17251f;--muted:#68766f;--paper:#f7f8f2;--card:#ffffff;--line:#dce4d8;
      --green:#155e4a;--green-2:#237c61;--lime:#d9f27c;--gold:#eebc54;--dark:#102b25;
      --shadow:0 20px 60px rgba(21,55,40,.11);--radius:24px;--max:1180px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;overflow-x:hidden}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(calc(100% - 40px),var(--max));margin:auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-2);font-size:12px;font-weight:800;letter-spacing:.15em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--gold)}
    .section{padding:94px 0}
    .section-soft{background:#edf2e9}
    .section-dark{background:var(--dark);color:#fff}
    .section-head{display:flex;justify-content:space-between;gap:34px;align-items:end;margin-bottom:42px}
    .section-head h2{font-size:clamp(29px,4vw,46px);line-height:1.2;letter-spacing:-.05em;margin:12px 0 0}
    .section-head p{max-width:520px;margin:0;color:var(--muted);font-size:15px}
    .section-dark .section-head p{color:#bed0c4}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,248,242,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,228,216,.85)}
    .nav{height:76px;display:flex;align-items:center;gap:30px}
    .logo{font-size:22px;font-weight:900;letter-spacing:-.08em;white-space:nowrap;color:var(--green)}
    .logo span{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--gold);margin-left:5px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{font-size:13px;color:#53635b;padding:9px 12px;border-radius:12px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:#e8f0dd;color:var(--green);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .locale{padding:7px 10px;border:1px solid var(--line);border-radius:999px;font-size:11px;color:var(--muted);white-space:nowrap}
    .menu-btn{display:none;background:transparent;font-size:24px;color:var(--green)}
    .btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;padding:13px 20px;border-radius:14px;font-weight:800;font-size:14px;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 10px 25px rgba(21,94,74,.2)}
    .btn-primary:hover{background:var(--green-2);transform:translateY(-2px);box-shadow:0 15px 30px rgba(21,94,74,.28)}
    .btn-light{background:#fff;color:var(--green);border-color:var(--line)}
    .btn-light:hover{border-color:var(--green);transform:translateY(-2px)}
    .btn:focus,.nav a:focus,button:focus{outline:3px solid rgba(238,188,84,.6);outline-offset:3px}
    .page-hero{position:relative;overflow:hidden;padding:82px 0 88px;color:#fff;background:linear-gradient(95deg,rgba(11,42,35,.95),rgba(13,55,42,.68)),url("/assets/images/backpic/back-3.webp") center/cover}
    .page-hero:after{content:"";position:absolute;width:470px;height:470px;border:1px solid rgba(217,242,124,.23);border-radius:50%;right:-120px;top:-160px}
    .page-hero .container{position:relative;z-index:1}
    .crumb{display:flex;gap:9px;align-items:center;color:#c7d8cc;font-size:13px;margin-bottom:25px}
    .crumb span{color:var(--lime)}
    .page-hero h1{font-size:clamp(42px,6.5vw,72px);line-height:1.08;letter-spacing:-.075em;margin:0 0 22px;max-width:760px}
    .page-hero p{max-width:670px;margin:0;color:#e2ece5;font-size:17px}
    .hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:31px}
    .hero-points b{font-size:13px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:7px 13px;color:#eff7ed}
    .hero-points b:before{content:"✓";color:var(--lime);margin-right:7px}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:62px;align-items:center}
    .intro-copy h2{font-size:clamp(29px,4vw,45px);line-height:1.25;letter-spacing:-.05em;margin:14px 0 22px}
    .intro-copy p{color:var(--muted);margin:0 0 18px;font-size:16px}
    .image-frame{position:relative}
    .image-frame img{height:465px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .float-note{position:absolute;bottom:24px;left:-24px;max-width:255px;border:1px solid rgba(255,255,255,.7);border-radius:18px;padding:16px 18px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);box-shadow:var(--shadow)}
    .float-note strong{display:block;color:var(--green);font-size:24px;line-height:1.2}
    .float-note span{font-size:12px;color:var(--muted)}
    .benefit-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:18px}
    .feature-lead{min-height:410px;padding:42px;border-radius:var(--radius);color:#fff;background:linear-gradient(145deg,#155e4a,#0e3329)}
    .feature-lead h3{font-size:31px;line-height:1.25;margin:22px 0 15px}
    .feature-lead p{color:#c8dacf;font-size:15px}
    .feature-lead .round-mark{display:grid;place-items:center;width:64px;height:64px;border-radius:50%;background:var(--lime);color:var(--dark);font-weight:900;font-size:21px}
    .mini-features{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .mini-card{padding:29px;background:var(--card);border:1px solid var(--line);border-radius:20px;transition:.25s}
    .mini-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b9cfbd}
    .icon-box{display:grid;place-items:center;width:43px;height:43px;border-radius:13px;background:#e8f0dd;color:var(--green);font-size:20px;font-weight:900}
    .mini-card h3{font-size:18px;margin:18px 0 8px}
    .mini-card p{font-size:13px;color:var(--muted);margin:0}
    .step-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
    .step{padding:30px 26px;min-height:250px;border-right:1px solid var(--line);position:relative}
    .step:last-child{border-right:0}
    .step-num{font-size:13px;font-weight:900;color:var(--green-2);letter-spacing:.1em}
    .step h3{font-size:19px;margin:54px 0 9px}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .step:after{content:"→";position:absolute;right:-10px;top:28px;z-index:2;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;background:var(--gold);color:var(--dark);font-size:12px}
    .step:last-child:after{display:none}
    .status-layout{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:stretch}
    .status-panel{padding:36px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line)}
    .status-panel h3{font-size:25px;line-height:1.3;margin:8px 0 23px}
    .status-list{list-style:none;padding:0;margin:0;display:grid;gap:16px}
    .status-list li{display:flex;align-items:flex-start;gap:13px;padding-bottom:16px;border-bottom:1px solid var(--line);font-size:14px}
    .status-list li:last-child{border:0;padding-bottom:0}
    .status-list i{font-style:normal;display:grid;place-items:center;flex:0 0 24px;width:24px;height:24px;border-radius:50%;background:#e8f0dd;color:var(--green);font-size:13px;font-weight:900}
    .device-card{padding:36px;border-radius:var(--radius);background:linear-gradient(145deg,#1f7159,#123a30);color:#fff;position:relative;overflow:hidden}
    .device-card:before{content:"";position:absolute;right:-45px;bottom:-105px;width:280px;height:280px;border:1px solid rgba(217,242,124,.35);border-radius:50%}
    .device-card>*{position:relative}
    .device-card h3{font-size:26px;margin:10px 0 16px}
    .device-card p{color:#d1e1d7;max-width:420px}
    .device-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
    .device-tags span{padding:8px 13px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);border-radius:999px;font-size:12px}
    .scene-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:18px}
    .scene{min-height:285px;position:relative;overflow:hidden;border-radius:20px;color:#fff;background:#123c31}
    .scene img{width:100%;height:100%;object-fit:cover;opacity:.72;transition:.4s}
    .scene:hover img{transform:scale(1.06)}
    .scene:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,35,27,.94),rgba(8,35,27,.06))}
    .scene-copy{position:absolute;z-index:1;left:25px;right:25px;bottom:22px}
    .scene-copy h3{font-size:21px;margin:0 0 6px}
    .scene-copy p{margin:0;color:#dfebe3;font-size:13px;line-height:1.65}
    .notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .notice{border-radius:20px;padding:28px 30px;border:1px solid var(--line);background:#fff}
    .notice strong{display:block;color:var(--green);font-size:14px;margin-bottom:12px}
    .notice p{margin:0;color:var(--muted);font-size:14px}
    .faq-wrap{display:grid;grid-template-columns:.78fr 1.22fr;gap:58px;align-items:start}
    .faq-title h2{font-size:clamp(30px,4vw,45px);line-height:1.2;letter-spacing:-.05em;margin:13px 0}
    .faq-title p{color:var(--muted);font-size:15px}
    .faq-list{display:grid;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 21px;transition:.25s}
    details[open]{border-color:#b7ceb9;box-shadow:0 12px 32px rgba(21,55,40,.07)}
    summary{list-style:none;cursor:pointer;padding:18px 28px 18px 0;font-weight:800;font-size:16px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;color:var(--green);font-size:23px;font-weight:400;top:13px}
    details[open] summary:after{content:"−"}
    details p{margin:0;padding:0 4px 19px;color:var(--muted);font-size:14px}
    .cta-box{position:relative;overflow:hidden;border-radius:var(--radius);padding:61px 55px;background:linear-gradient(110deg,#123e32,#1c6f57);color:#fff}
    .cta-box:before{content:"";position:absolute;width:410px;height:410px;border:1px solid rgba(217,242,124,.3);border-radius:50%;right:-75px;top:-230px}
    .cta-box>*{position:relative}
    .cta-box h2{font-size:clamp(31px,4.2vw,51px);line-height:1.17;letter-spacing:-.06em;max-width:700px;margin:13px 0 17px}
    .cta-box p{margin:0;max-width:640px;color:#d3e3d8;font-size:16px}
    .cta-box .btn{margin-top:29px;background:var(--lime);color:var(--dark)}
    .cta-box .btn:hover{background:#efffb9;transform:translateY(-2px)}
    footer{background:#0d2822;color:#c5d4ca;padding:54px 0 28px;margin-top:0}
    .footer-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:34px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{font-size:24px;font-weight:900;color:#fff;letter-spacing:-.07em}
    .footer-brand span{color:var(--lime)}
    .footer-copy{font-size:13px;max-width:350px;margin:14px 0 0;color:#9eb4a7}
    .footer-title{font-size:13px;color:#fff;font-weight:800;margin-bottom:12px}
    .footer-links{display:grid;gap:8px;font-size:13px;color:#aac0b3}
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{display:flex;justify-content:space-between;gap:16px;align-items:center;padding-top:22px;font-size:12px;color:#8ca69a;flex-wrap:wrap}
    footer .avatar{display:inline-grid;place-items:center;width:28px;height:28px;margin-right:8px;border-radius:50%;background:var(--lime);color:var(--dark);font-style:normal;font-weight:900}
    .footer-reader{display:flex;align-items:center;color:#bfd0c5}
    @media(max-width:1024px){
      .nav{gap:15px}.nav-links a{padding:8px 8px;font-size:12px}.locale{display:none}
      .intro-grid,.faq-wrap{gap:38px}.scene-grid{grid-template-columns:1fr 1fr}.scene:first-child{grid-column:span 2}
      .step{padding:25px 20px}.step h3{margin-top:40px}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 30px),var(--max))}.section{padding:68px 0}
      .menu-btn{display:block;order:2;margin-left:auto}.nav-tools{order:1}.nav-tools .btn{padding:10px 14px;font-size:12px}
      .nav-links{display:none;position:absolute;left:15px;right:15px;top:67px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:12px}
      .section-head{display:block;margin-bottom:29px}.section-head p{margin-top:15px}
      .intro-grid,.benefit-grid,.status-layout,.faq-wrap{grid-template-columns:1fr}
      .image-frame img{height:340px}.float-note{left:15px;bottom:15px}
      .step-wrap{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .step:nth-child(2):after{display:none}.step:nth-child(3):after{display:grid}
      .notice-grid{grid-template-columns:1fr}.cta-box{padding:43px 30px}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .page-hero{padding:62px 0 68px}.page-hero p{font-size:15px}.nav-tools .btn{display:none}
      .mini-features,.step-wrap,.scene-grid,.footer-grid{grid-template-columns:1fr}.scene:first-child{grid-column:auto}
      .step{border-right:0!important;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.step:after{display:none!important}
      .feature-lead{min-height:auto;padding:31px}.device-card,.status-panel{padding:27px}.cta-box{padding:38px 24px}
      .footer-bottom{align-items:flex-start;flex-direction:column}.hero-points b{font-size:12px}
    }