/* roulang page: index */
:root{
      --ink:#17231f;
      --muted:#65736d;
      --paper:#f6f8f4;
      --surface:#ffffff;
      --line:#dfe8df;
      --green:#0b6b50;
      --green-dark:#073b32;
      --mint:#d7efe2;
      --lime:#cfe86d;
      --orange:#ed8b4e;
      --shadow:0 18px 50px rgba(20,55,42,.10);
      --shadow-sm:0 8px 24px rgba(20,55,42,.08);
      --radius:24px;
      --radius-sm:15px;
      --max:1200px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
    a{text-decoration:none;color:inherit}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid rgba(237,139,78,.7);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--orange);border-radius:4px}
    .section{padding:100px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:42px}
    .section-head h2{font-size:clamp(28px,4vw,46px);line-height:1.25;letter-spacing:-.04em;margin-top:12px}
    .section-head p{max-width:560px;color:var(--muted);font-size:16px}
    .topline{height:4px;background:linear-gradient(90deg,var(--green),var(--lime),var(--orange))}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(246,248,244,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,232,223,.8)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:-.04em;font-size:21px;color:var(--green-dark);white-space:nowrap}
    .brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:13px;background:var(--green);color:#fff;box-shadow:0 7px 17px rgba(11,107,80,.25);font-size:18px}
    .nav-links{display:flex;align-items:center;gap:4px}
    .nav-links a{padding:10px 12px;border-radius:12px;color:#53635b;font-size:13px;font-weight:700;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--green);background:#e5f1e9}
    .nav-cta{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:13px;background:var(--orange);color:#fff;font-weight:800;box-shadow:0 8px 18px rgba(237,139,78,.22);transition:.25s}
    .nav-cta:hover{transform:translateY(-2px);background:#d9783d}
    .menu-btn{display:none;width:42px;height:42px;border-radius:12px;background:#e5f1e9;color:var(--green);font-size:20px}
    .hero{padding:70px 0 86px;background:var(--green-dark);color:#fff;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(207,232,109,.22);border-radius:50%;right:-150px;top:-240px;box-shadow:0 0 0 40px rgba(207,232,109,.035),0 0 0 80px rgba(207,232,109,.025)}
    .hero-bg{position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(7,59,50,.93),rgba(7,59,50,.74)),url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center;opacity:.85}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr .9fr;gap:62px;align-items:center}
    .hero-copy{max-width:620px}
    .hero .eyebrow{color:var(--lime)}
    .hero h1{font-size:clamp(42px,6vw,78px);line-height:1.1;letter-spacing:-.065em;margin:20px 0 24px}
    .hero h1 span{color:var(--lime)}
    .hero-lead{font-size:18px;color:#d8e6dc;max-width:590px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:30px 0 28px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border-radius:13px;font-weight:800;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--lime);color:var(--green-dark)}
    .btn-primary:hover{background:#e2f78c;transform:translateY(-2px);box-shadow:0 10px 20px rgba(207,232,109,.18)}
    .btn-ghost{border-color:rgba(255,255,255,.26);color:#fff;background:rgba(255,255,255,.05)}
    .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.45)}
    .hero-note{display:flex;align-items:center;gap:18px;color:#a9c2b2;font-size:12px}
    .hero-note strong{color:#fff;font-size:22px;margin-right:4px}
    .hero-panel{background:#f8fbf4;color:var(--ink);border:1px solid rgba(255,255,255,.32);border-radius:28px;padding:22px;box-shadow:0 28px 60px rgba(0,0,0,.22);transform:rotate(1deg)}
    .panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
    .panel-title{font-weight:900;font-size:17px}
    .live{font-size:11px;color:#b5502d;background:#fff0e9;padding:5px 9px;border-radius:99px;font-weight:900}
    .rank-list{display:grid;gap:9px}
    .rank-item{display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:10px;padding:12px;border:1px solid var(--line);border-radius:14px;background:#fff}
    .rank-num{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:#e6f2e9;color:var(--green);font-weight:900;font-size:12px}
    .rank-info strong{display:block;font-size:13px}
    .rank-info small{color:var(--muted);font-size:11px}
    .rank-value{font-weight:900;color:var(--green);font-size:13px}
    .panel-bottom{display:flex;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);color:var(--muted);font-size:11px}
    .pill{display:inline-flex;align-items:center;padding:6px 10px;border-radius:99px;background:#e8f4eb;color:var(--green);font-size:11px;font-weight:800}
    .trust-strip{background:#fff;border-bottom:1px solid var(--line)}
    .trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .trust-item{display:flex;align-items:center;gap:12px;padding:21px 18px;border-right:1px solid var(--line)}
    .trust-item:last-child{border-right:0}
    .trust-icon{width:35px;height:35px;display:grid;place-items:center;background:#e8f4eb;color:var(--green);border-radius:11px;font-weight:900}
    .trust-item strong{display:block;font-size:14px}
    .trust-item span{display:block;color:var(--muted);font-size:11px}
    .benefit-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:stretch}
    .feature-image{position:relative;min-height:440px;border-radius:var(--radius);overflow:hidden;background:#c8dfd1}
    .feature-image img{width:100%;height:100%;object-fit:cover}
    .image-caption{position:absolute;left:24px;bottom:24px;right:24px;padding:18px;border-radius:17px;background:rgba(7,59,50,.87);color:#fff}
    .image-caption strong{font-size:18px;display:block;margin-bottom:4px}
    .image-caption p{font-size:12px;color:#c6dfd0}
    .benefit-copy{padding:15px 0}
    .benefit-copy h3{font-size:31px;line-height:1.35;margin:15px 0}
    .benefit-copy>p{color:var(--muted);font-size:16px}
    .bullet-list{display:grid;gap:17px;margin-top:28px}
    .bullet{display:flex;gap:14px}
    .bullet-mark{flex:0 0 28px;height:28px;display:grid;place-items:center;border-radius:9px;background:var(--lime);color:var(--green-dark);font-weight:900}
    .bullet strong{display:block;font-size:15px;margin-bottom:3px}
    .bullet span{color:var(--muted);font-size:13px}
    .dark-section{background:var(--green-dark);color:#fff}
    .dark-section .section-head p{color:#b8ccc0}
    .dark-section .eyebrow{color:var(--lime)}
    .eligibility-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:54px;align-items:start}
    .number-block{border-left:3px solid var(--orange);padding-left:24px}
    .number-block b{font-size:68px;line-height:1;color:var(--lime);letter-spacing:-.08em}
    .number-block h3{font-size:24px;margin:14px 0 8px}
    .number-block p{color:#b8ccc0}
    .eligibility-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .dark-card{padding:22px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.055);border-radius:18px;transition:.25s}
    .dark-card:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
    .dark-card h4{font-size:16px;margin-bottom:7px;color:#f4faef}
    .dark-card p{font-size:13px;color:#b8ccc0}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;transition:.28s;box-shadow:var(--shadow-sm)}
    .topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
    .topic-card img{height:170px;width:100%;object-fit:cover}
    .topic-body{padding:20px}
    .topic-body h3{font-size:19px;margin:8px 0}
    .topic-body p{color:var(--muted);font-size:13px;min-height:50px}
    .topic-link{display:inline-flex;margin-top:15px;color:var(--green);font-weight:900;font-size:13px}
    .metric-section{background:#e8f1e8}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .metric{padding:25px;background:#fff;border-radius:18px;border:1px solid var(--line)}
    .metric b{display:block;color:var(--green);font-size:37px;letter-spacing:-.06em}
    .metric strong{display:block;margin:8px 0 4px}
    .metric span{font-size:12px;color:var(--muted)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .step{position:relative;padding:15px 28px 15px 0}
    .step:not(:last-child):after{content:"→";position:absolute;right:12px;top:37px;color:var(--orange);font-size:24px;font-weight:900}
    .step-num{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:var(--green);color:#fff;font-weight:900;margin-bottom:15px}
    .step h3{font-size:17px;margin-bottom:7px}
    .step p{color:var(--muted);font-size:13px}
    .scene-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:center}
    .scene-copy h2{font-size:clamp(28px,4vw,43px);line-height:1.3;margin:13px 0}
    .scene-copy>p{color:var(--muted);font-size:16px}
    .scene-list{margin-top:24px;display:grid;gap:12px}
    .scene-row{display:flex;gap:12px;padding:13px 15px;background:#f0f6ef;border-radius:13px}
    .scene-row b{color:var(--green)}
    .scene-row span{color:#50625a;font-size:13px}
    .scene-image{border-radius:25px;overflow:hidden;position:relative;box-shadow:var(--shadow)}
    .scene-image img{width:100%;height:430px;object-fit:cover}
    .scene-label{position:absolute;right:20px;top:20px;background:var(--lime);color:var(--green-dark);padding:8px 12px;border-radius:99px;font-weight:900;font-size:12px}
    .news-section{background:#fff}
    .news-layout{display:grid;grid-template-columns:1.22fr .78fr;gap:35px}
    .news-list{display:grid;gap:0;border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:105px 1fr 100px;gap:20px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}
    .news-date{color:var(--orange);font-size:12px;font-weight:900}
    .news-item h3{font-size:17px;margin-bottom:4px}
    .news-item p{font-size:13px;color:var(--muted);line-height:1.7}
    .more{color:var(--green);font-size:12px;font-weight:900;text-align:right}
    .recommend{border-radius:22px;overflow:hidden;background:var(--green-dark);color:#fff;padding:25px;position:relative;min-height:100%}
    .recommend:before{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(207,232,109,.35);border-radius:50%;right:-65px;bottom:-70px}
    .recommend h3{font-size:24px;line-height:1.35;margin:11px 0}
    .recommend p{color:#bfd0c5;font-size:13px}
    .recommend img{height:150px;width:100%;object-fit:cover;border-radius:15px;margin:20px 0;opacity:.86}
    .vertical-section{background:#f0f5ed}
    .vertical-track{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .vertical-card{background:#fff;border-radius:20px;overflow:hidden;border:1px solid var(--line);transition:.25s}
    .vertical-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
    .vertical-cover{height:230px;position:relative;overflow:hidden}
    .vertical-cover img{width:100%;height:100%;object-fit:cover}
    .vertical-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 50%,rgba(7,59,50,.72))}
    .vertical-cover strong{position:absolute;z-index:1;bottom:15px;left:15px;right:15px;color:#fff;font-size:16px;line-height:1.4}
    .vertical-body{padding:15px}
    .vertical-body p{color:var(--muted);font-size:12px;min-height:44px}
    .vertical-body a{display:inline-block;margin-top:10px;color:var(--green);font-size:12px;font-weight:900}
    .media-row{display:flex;gap:17px;overflow-x:auto;padding-bottom:12px;scrollbar-color:var(--green) transparent}
    .media-card{min-width:250px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}
    .media-card .media-icon{height:105px;border-radius:13px;background:#e1efe5;display:grid;place-items:center;color:var(--green);font-size:34px;margin-bottom:14px}
    .media-card h3{font-size:16px;margin-bottom:5px}
    .media-card p{font-size:12px;color:var(--muted)}
    .media-card a{display:inline-block;margin-top:11px;color:var(--orange);font-size:12px;font-weight:900}
    .quote-section{background:var(--green-dark);color:#fff}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .quote{padding:24px;border:1px solid rgba(255,255,255,.14);border-radius:20px;background:rgba(255,255,255,.055)}
    .quote p{color:#dce9df;font-size:15px;line-height:1.9}
    .quote footer{display:flex;align-items:center;gap:10px;margin-top:19px;color:#a7c1b0;font-size:12px}
    .avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--lime);color:var(--green-dark);font-weight:900}
    .brand-section{background:#fff}
    .brand-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
    .brand-stamp{background:var(--green);color:#fff;border-radius:25px;padding:34px;min-height:280px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:var(--shadow)}
    .brand-stamp .big-logo{font-size:42px;font-weight:900;letter-spacing:-.08em}
    .brand-stamp p{color:#c4ded0;font-size:13px}
    .brand-copy h2{font-size:35px;line-height:1.35;margin:13px 0 17px}
    .brand-copy p{color:var(--muted);font-size:15px;margin-bottom:16px}
    .brand-points{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
    .brand-points span{padding:8px 12px;background:#eef6ee;color:var(--green);border-radius:99px;font-size:12px;font-weight:800}
    .faq-section{background:#f0f5ed}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px}
    .faq-intro h2{font-size:35px;line-height:1.35;margin:13px 0}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:10px}
    details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:0 19px}
    summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:900;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";color:var(--orange);font-size:20px;line-height:1}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);font-size:13px;padding:0 0 18px;line-height:1.85}
    .form-section{background:#fff}
    .form-box{display:grid;grid-template-columns:.82fr 1.18fr;gap:50px;padding:43px;border-radius:28px;background:#e5f0e5;border:1px solid var(--line)}
    .form-intro h2{font-size:35px;line-height:1.35;margin:13px 0}
    .form-intro p{color:var(--muted)}
    .form-note{margin-top:26px;padding:14px 16px;border-left:3px solid var(--orange);background:#fff8f3;color:#76533f;font-size:12px;border-radius:0 12px 12px 0}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:6px}
    .field.full{grid-column:1/-1}
    .field label{font-size:12px;font-weight:900;color:var(--green-dark)}
    .field input,.field select,.field textarea{width:100%;border:1px solid #cfddd0;background:#fff;border-radius:12px;padding:12px 13px;color:var(--ink);transition:.2s}
    .field textarea{min-height:100px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--green);box-shadow:0 0 0 4px rgba(11,107,80,.1);outline:0}
    .form-submit{margin-top:17px}
    .related-section{background:#f6f8f4}
    .related-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .related-main{min-height:270px;padding:30px;border-radius:23px;background-image:linear-gradient(90deg,rgba(7,59,50,.96),rgba(7,59,50,.45)),url("/assets/images/backpic/back-2.webp");background-size:cover;color:#fff;display:flex;flex-direction:column;justify-content:end}
    .related-main h3{font-size:27px;line-height:1.35;max-width:560px;margin:10px 0}
    .related-main p{font-size:13px;color:#d4e2d7;max-width:600px}
    .related-side{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .mini-card{padding:20px;border-radius:19px;background:#fff;border:1px solid var(--line)}
    .mini-card b{font-size:22px;color:var(--green);display:block}
    .mini-card strong{display:block;margin:7px 0}
    .mini-card span{font-size:12px;color:var(--muted)}
    .cta-section{padding:76px 0;background:var(--orange);color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:35px}
    .cta-inner h2{font-size:clamp(28px,4vw,44px);line-height:1.3;letter-spacing:-.04em}
    .cta-inner p{color:#fff4eb;margin-top:8px;max-width:650px}
    .cta-inner .btn{background:#fff;color:var(--green-dark)}
    .cta-inner .btn:hover{background:#f5f5ef;transform:translateY(-2px)}
    .site-footer{background:#123c33;color:#b5cfc1;padding:58px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
    .footer-brand{color:#fff;font-size:22px;font-weight:900;margin-bottom:14px}
    .footer-col h3{font-size:13px;color:#fff;margin-bottom:14px}
    .footer-col a{display:block;color:#b5cfc1;font-size:12px;margin:8px 0;transition:.2s}
    .footer-col a:hover{color:var(--lime);padding-left:3px}
    .footer-desc{font-size:12px;line-height:1.9;max-width:310px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:21px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:11px;color:#93b3a4}
    .float-bar{position:fixed;z-index:40;right:22px;bottom:20px;display:flex;align-items:center;gap:12px;padding:12px 14px 12px 18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:99px;font-size:12px}
    .float-bar b{color:var(--green)}
    .float-bar a{padding:8px 13px;border-radius:99px;background:var(--green);color:#fff;font-weight:800}
    .toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,30px);opacity:0;pointer-events:none;background:var(--green-dark);color:#fff;padding:12px 18px;border-radius:12px;font-size:13px;transition:.3s;z-index:80}
    .toast.show{opacity:1;transform:translate(-50%,0)}
    @media(max-width:1024px){
      .nav-links{gap:0}.nav-links a{padding:9px 8px;font-size:12px}
      .hero-inner,.benefit-grid,.scene-layout,.brand-layout,.faq-wrap,.form-box{gap:30px}
      .hero-inner{grid-template-columns:1fr .86fr}
      .topic-grid{grid-template-columns:repeat(3,1fr)}
      .vertical-track{grid-template-columns:repeat(4,220px);overflow-x:auto;padding-bottom:12px}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 30px))}
      .section{padding:70px 0}
      .section-head{display:block;margin-bottom:30px}
      .section-head p{margin-top:13px}
      .menu-btn{display:block}
      .nav-cta{display:none}
      .nav-links{display:none;position:absolute;left:15px;right:15px;top:68px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .hero{padding:54px 0 65px}
      .hero-inner,.benefit-grid,.eligibility-layout,.scene-layout,.news-layout,.brand-layout,.faq-wrap,.form-box,.related-grid{grid-template-columns:1fr}
      .hero h1{font-size:48px}
      .hero-panel{transform:none}
      .trust-grid{grid-template-columns:repeat(2,1fr)}
      .trust-item:nth-child(2){border-right:0}
      .trust-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .topic-grid{grid-template-columns:1fr 1fr}
      .metric-grid{grid-template-columns:1fr 1fr}
      .steps{grid-template-columns:1fr 1fr;gap:20px}
      .step:not(:last-child):after{display:none}
      .news-item{grid-template-columns:75px 1fr}
      .news-item .more{grid-column:2;text-align:left}
      .form-box{padding:26px 20px}
      .cta-inner{display:block}
      .cta-inner .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      body{font-size:14px}
      .brand{font-size:18px}
      .brand-mark{width:34px;height:34px}
      .hero h1{font-size:40px}
      .hero-lead{font-size:15px}
      .hero-actions .btn{width:100%}
      .hero-note{gap:10px;flex-wrap:wrap}
      .trust-grid,.topic-grid,.metric-grid,.eligibility-cards,.quote-grid,.form-grid,.related-side{grid-template-columns:1fr}
      .trust-item{border-right:0!important}
      .trust-item:not(:last-child){border-bottom:1px solid var(--line)}
      .news-item{grid-template-columns:1fr;gap:4px}
      .news-item .more{grid-column:auto}
      .footer-grid{grid-template-columns:1fr}
      .float-bar{left:15px;right:15px;bottom:12px;justify-content:space-between}
      .float-bar span{max-width:190px}
    }

/* roulang page: category3 */
:root{
      --ink:#17231f;--muted:#65736d;--paper:#f6f8f4;--surface:#fff;
      --line:#dfe8df;--green:#0b6b50;--green-dark:#073b32;--mint:#d7efe2;
      --lime:#cfe86d;--orange:#ed8b4e;--shadow:0 18px 50px rgba(20,55,42,.10);
      --shadow-sm:0 8px 24px rgba(20,55,42,.08);--radius:24px;--radius-sm:15px;--max:1200px
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
    a{text-decoration:none;color:inherit} img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit} button{cursor:pointer;border:0}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(246,248,244,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,232,223,.85)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:900;font-size:21px;color:var(--green-dark);white-space:nowrap}
    .brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:13px;background:var(--green);color:#fff;box-shadow:0 7px 17px rgba(11,107,80,.25)}
    .nav-links{display:flex;align-items:center;gap:3px}
    .nav-links a{padding:10px 11px;border-radius:12px;color:#53635b;font-size:13px;font-weight:700;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--green);background:#e5f1e9}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;transition:.25s}
    .nav-cta{padding:12px 18px;border-radius:13px;background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(237,139,78,.22)}
    .nav-cta:hover{transform:translateY(-2px);background:#d9783d}
    .menu-btn{display:none;width:42px;height:42px;border-radius:12px;background:#e5f1e9;color:var(--green);font-size:20px}
    .hero{position:relative;overflow:hidden;padding:82px 0 92px;background:var(--green-dark);color:#fff}
    .hero-bg{position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(7,59,50,.96),rgba(7,59,50,.7)),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center}
    .hero:after{content:"";position:absolute;width:580px;height:580px;border:1px solid rgba(207,232,109,.22);border-radius:50%;right:-180px;top:-280px;box-shadow:0 0 0 42px rgba(207,232,109,.04),0 0 0 85px rgba(207,232,109,.025)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:58px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--orange);border-radius:4px}
    .hero .eyebrow{color:var(--lime)}
    h1{font-size:clamp(42px,6vw,75px);line-height:1.1;letter-spacing:-.065em;margin:20px 0 22px}
    .hero h1 span{color:var(--lime)} .hero-lead{font-size:18px;color:#d8e6dc;max-width:610px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:30px 0 24px}
    .btn{padding:13px 20px;border-radius:13px;border:1px solid transparent}
    .btn-primary{background:var(--lime);color:var(--green-dark)}
    .btn-primary:hover{background:#e2f78c;transform:translateY(-2px);box-shadow:0 10px 20px rgba(207,232,109,.18)}
    .btn-ghost{border-color:rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.06)}
    .btn-ghost:hover{background:rgba(255,255,255,.14)}
    .hero-note{color:#a9c2b2;font-size:12px}
    .count-panel{background:#f8fbf4;color:var(--ink);border-radius:28px;padding:25px;box-shadow:0 28px 60px rgba(0,0,0,.24);transform:rotate(1deg)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
    .status{padding:6px 10px;border-radius:99px;background:#e8f4eb;color:var(--green);font-size:11px;font-weight:800}
    .count-panel h3{font-size:21px;line-height:1.35;margin-bottom:8px}
    .count-panel p{font-size:13px;color:var(--muted)}
    .timer{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0}
    .timer div{padding:14px 8px;text-align:center;background:#edf5ea;border-radius:15px}
    .timer strong{display:block;color:var(--green-dark);font-size:27px;line-height:1.2}.timer span{font-size:11px;color:var(--muted)}
    .panel-line{height:1px;background:var(--line);margin:18px 0}
    .section{padding:92px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}
    .section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.25;letter-spacing:-.04em;margin-top:12px}
    .section-head p{max-width:570px;color:var(--muted);font-size:16px}
    .intro-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:48px;align-items:start}
    .lead-copy{font-size:20px;line-height:1.65;color:var(--green-dark);font-weight:700}
    .body-copy{color:var(--muted);margin-top:18px}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature-card,.info-card,.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:25px;box-shadow:var(--shadow-sm);transition:.25s}
    .feature-card:hover,.info-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .icon{width:43px;height:43px;display:grid;place-items:center;border-radius:14px;background:var(--mint);color:var(--green);font-weight:900;font-size:20px;margin-bottom:19px}
    .feature-card h3,.info-card h3{font-size:19px;margin-bottom:8px}.feature-card p,.info-card p{color:var(--muted);font-size:14px}
    .dark-section{background:var(--green-dark);color:#fff}.dark-section .section-head p{color:#b8ccc0}.dark-section .eyebrow{color:var(--lime)}
    .process{display:grid;grid-template-columns:1fr 1.25fr;gap:60px;align-items:center}
    .process-image{height:430px;border-radius:var(--radius);overflow:hidden}.process-image img{width:100%;height:100%;object-fit:cover}
    .steps{display:grid;gap:18px}.step{display:grid;grid-template-columns:48px 1fr;gap:16px;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.16)}
    .step:last-child{border-bottom:0}.step-num{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--lime);color:var(--green-dark);font-weight:900}
    .step h3{font-size:18px;margin-bottom:4px}.step p{color:#b8ccc0;font-size:14px}
    .info-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.info-card.large{padding:30px}
    .check-list{display:grid;gap:12px;margin-top:20px}.check-list li{list-style:none;display:flex;gap:10px;color:var(--muted)}.check-list li:before{content:"✓";color:var(--green);font-weight:900}
    .image-card{overflow:hidden;border-radius:var(--radius);background:#d7e9dc;min-height:330px}.image-card img{width:100%;height:100%;object-fit:cover}
    .metric-section{background:#e8f1e8}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .metric{padding:25px;border-left:3px solid var(--orange)}.metric strong{display:block;font-size:34px;color:var(--green-dark);line-height:1.2}.metric span{color:var(--muted);font-size:13px}
    .quote{max-width:820px;margin:auto;text-align:center;font-size:25px;line-height:1.6;color:var(--green-dark);font-weight:700}
    .quote small{display:block;margin-top:18px;color:var(--muted);font-size:13px;font-weight:400}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.faq-item{box-shadow:none}.faq-item h3{font-size:16px;margin-bottom:8px;color:var(--green-dark)}.faq-item p{font-size:14px;color:var(--muted)}
    .cta{padding:70px 0;background:var(--orange);color:#fff}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:clamp(28px,4vw,44px);line-height:1.2}.cta p{margin-top:10px;color:#fff1e8}.cta .btn-primary{background:#fff;color:var(--green-dark)}
    footer{background:#062d27;color:#c4d5c9;padding:45px 0 30px}.footer-top{display:flex;justify-content:space-between;gap:30px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.15)}.footer-brand{font-size:22px;font-weight:900;color:#fff}.footer-top p{max-width:440px;font-size:13px;margin-top:9px}.footer-links{display:flex;gap:18px;align-items:flex-start;flex-wrap:wrap;font-size:13px}.footer-links a:hover{color:var(--lime)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;font-size:12px;color:#91ada0;flex-wrap:wrap}.avatar{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--lime);color:var(--green-dark);font-weight:900;margin-right:8px;vertical-align:middle}
    .fixed-bar{position:fixed;bottom:18px;right:22px;z-index:40;background:var(--green-dark);color:#fff;border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:10px 12px 10px 17px;display:flex;align-items:center;gap:15px;box-shadow:0 15px 35px rgba(0,0,0,.2);font-size:13px}.fixed-bar a{background:var(--lime);color:var(--green-dark);border-radius:10px;padding:8px 12px;font-weight:900}
    :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    @media(max-width:1024px){.nav-links a{padding:9px 7px;font-size:12px}.nav-cta{padding:10px 13px}.hero-inner{gap:32px}.section{padding:75px 0}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 30px))}.nav-wrap{height:68px}.menu-btn{display:block}.nav-cta{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:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.hero{padding:65px 0 72px}.hero-inner,.intro-grid,.process,.info-grid{grid-template-columns:1fr}.hero-panel{max-width:530px}.feature-grid{grid-template-columns:1fr 1fr}.metric-grid{grid-template-columns:1fr 1fr}.process-image{height:320px}.cta-inner{display:block}.cta .btn{margin-top:24px}.footer-top{display:block}.footer-links{margin-top:24px}}
    @media(max-width:520px){h1{font-size:43px}.hero-lead{font-size:16px}.section{padding:62px 0}.section-head{display:block;margin-bottom:27px}.section-head p{margin-top:15px}.feature-grid,.faq-grid,.metric-grid{grid-template-columns:1fr}.count-panel{transform:none}.quote{font-size:20px}.fixed-bar{left:15px;right:15px;bottom:12px;justify-content:space-between}.footer-bottom{display:block}.footer-bottom div{margin-top:8px}}

/* roulang page: category1 */
:root{
      --ink:#17231f;--muted:#65736d;--paper:#f6f8f4;--surface:#fff;
      --line:#dfe8df;--green:#0b6b50;--green-dark:#073b32;--mint:#d7efe2;
      --lime:#cfe86d;--orange:#ed8b4e;--shadow:0 18px 50px rgba(20,55,42,.10);
      --shadow-sm:0 8px 24px rgba(20,55,42,.08);--radius:24px;--radius-sm:15px;--max:1200px
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
    a{text-decoration:none;color:inherit} img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}button{cursor:pointer;border:0}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--orange);border-radius:4px}
    .section{padding:94px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:40px}
    .section-head h2{font-size:clamp(28px,4vw,46px);line-height:1.25;letter-spacing:-.04em;margin-top:12px}
    .section-head p{max-width:570px;color:var(--muted);font-size:16px}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(246,248,244,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,232,223,.8)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:-.04em;font-size:21px;color:var(--green-dark);white-space:nowrap}
    .brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:13px;background:var(--green);color:#fff;box-shadow:0 7px 17px rgba(11,107,80,.25);font-size:18px}
    .nav-links{display:flex;align-items:center;gap:4px}.nav-links a{padding:10px 12px;border-radius:12px;color:#53635b;font-size:13px;font-weight:700;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--green);background:#e5f1e9}
    .nav-cta{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:13px;background:var(--orange);color:#fff;font-weight:800;box-shadow:0 8px 18px rgba(237,139,78,.22);transition:.25s}
    .nav-cta:hover{transform:translateY(-2px);background:#d9783d}.menu-btn{display:none;width:42px;height:42px;border-radius:12px;background:#e5f1e9;color:var(--green);font-size:20px}
    .hero{padding:76px 0 88px;background:var(--green-dark);color:#fff;position:relative;overflow:hidden}
    .hero-bg{position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(7,59,50,.96),rgba(7,59,50,.73)),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;opacity:.85}
    .hero:after{content:"";position:absolute;width:540px;height:540px;border:1px solid rgba(207,232,109,.22);border-radius:50%;right:-180px;top:-255px;box-shadow:0 0 0 40px rgba(207,232,109,.035),0 0 0 80px rgba(207,232,109,.025)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr .9fr;gap:62px;align-items:center}.hero-copy{max-width:650px}
    .hero .eyebrow{color:var(--lime)}.hero h1{font-size:clamp(42px,6vw,76px);line-height:1.1;letter-spacing:-.065em;margin:19px 0 23px}.hero h1 span{color:var(--lime)}
    .hero-lead{font-size:18px;color:#d8e6dc;max-width:600px}.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:30px 0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border-radius:13px;font-weight:800;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--lime);color:var(--green-dark)}.btn-primary:hover{background:#e2f78c;transform:translateY(-2px);box-shadow:0 10px 20px rgba(207,232,109,.18)}
    .btn-ghost{border-color:rgba(255,255,255,.26);color:#fff;background:rgba(255,255,255,.05)}.btn-ghost:hover{background:rgba(255,255,255,.12)}
    .hero-note{display:flex;gap:22px;color:#a9c2b2;font-size:12px}.hero-note strong{color:#fff;font-size:22px;margin-right:4px}
    .hero-panel{background:#f8fbf4;color:var(--ink);border:1px solid rgba(255,255,255,.32);border-radius:28px;padding:22px;box-shadow:0 28px 60px rgba(0,0,0,.22);transform:rotate(1deg)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.panel-title{font-weight:900;font-size:17px}
    .status{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-size:11px;font-weight:800}.status:before{content:"";width:7px;height:7px;background:#76b95e;border-radius:50%}
    .match-row{display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;padding:15px 12px;border:1px solid var(--line);border-radius:16px;background:#fff;margin-top:9px}
    .match-icon{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:#e7f3e9;color:var(--green);font-size:19px}
    .match-row b{display:block;font-size:14px}.match-row small{color:var(--muted);font-size:11px}.match-time{font-weight:900;color:var(--orange);font-size:13px}
    .trust{background:#fff;border-bottom:1px solid var(--line)}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
    .trust-item{display:flex;align-items:center;gap:12px;padding:21px 18px;border-right:1px solid var(--line)}.trust-item:last-child{border-right:0}
    .trust-item strong{display:block;font-size:14px}.trust-item span{display:block;color:var(--muted);font-size:11px}
    .intro-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:56px;align-items:center}.feature-image{min-height:430px;border-radius:var(--radius);overflow:hidden;background:#c8dfd1;box-shadow:var(--shadow)}
    .feature-image img{width:100%;height:100%;object-fit:cover}.intro-copy h2{font-size:clamp(29px,4vw,45px);line-height:1.25;margin:13px 0 18px}.intro-copy p{color:var(--muted);margin-bottom:15px}
    .bullet-list{display:grid;gap:14px;margin-top:24px}.bullet-list li{list-style:none;display:flex;gap:12px;align-items:flex-start}.bullet-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 24px;height:24px;border-radius:8px;background:var(--mint);color:var(--green);font-weight:900}
    .dark-section{background:var(--green-dark);color:#fff}.dark-section .section-head p{color:#b8ccc0}.dark-section .eyebrow{color:var(--lime)}
    .benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.benefit-card{padding:28px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.055);transition:.25s}
    .benefit-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.1)}.benefit-num{color:var(--lime);font-size:14px;font-weight:900}.benefit-card h3{font-size:21px;margin:18px 0 9px}.benefit-card p{color:#b8ccc0;font-size:14px}
    .scene-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}.scene-card{position:relative;min-height:245px;border-radius:var(--radius);overflow:hidden;color:#fff;padding:28px;display:flex;align-items:end}
    .scene-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}.scene-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,59,50,.9),rgba(7,59,50,.12))}
    .scene-card div{position:relative;z-index:1}.scene-card h3{font-size:23px;margin:8px 0}.scene-card p{color:#d7e6dc;font-size:13px;max-width:430px}.scene-card.wide{grid-column:span 2;min-height:210px}
    .process-section{background:#e8f1e8}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.process-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;position:relative}
    .process-item:after{content:"→";position:absolute;right:-17px;top:50%;color:var(--orange);font-size:22px;font-weight:900}.process-item:last-child:after{display:none}
    .process-item em{font-style:normal;color:var(--orange);font-size:12px;font-weight:900}.process-item h3{font-size:17px;margin:13px 0 7px}.process-item p{font-size:13px;color:var(--muted)}
    .numbers{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}.numbers h2{font-size:clamp(28px,4vw,44px);line-height:1.3;margin:13px 0}.numbers p{color:var(--muted)}
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.metric{padding:24px;background:#fff;border:1px solid var(--line);border-radius:18px}.metric strong{font-size:32px;color:var(--green);display:block;line-height:1.2}.metric span{font-size:13px;color:var(--muted)}
    .quote{background:var(--mint);border-radius:var(--radius);padding:35px;display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center}.quote blockquote{font-size:24px;line-height:1.55;font-weight:800;color:var(--green-dark)}.quote p{color:#46665a}
    .avatar{display:inline-grid;place-items:center;width:35px;height:35px;border-radius:50%;background:var(--orange);color:#fff;font-weight:900;margin-right:9px}.quote cite{display:flex;align-items:center;font-style:normal;font-size:13px;color:var(--muted);margin-top:22px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px 23px}.faq-item h3{font-size:16px;margin-bottom:7px}.faq-item p{color:var(--muted);font-size:13px}
    .cta{padding:65px 0;background:var(--orange);color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:clamp(28px,4vw,45px);line-height:1.25}.cta p{color:#fff0e6;margin-top:10px}.cta .btn-primary{background:#fff;color:var(--green-dark)}.cta .btn-primary:hover{background:#f3f8ed}
    footer{background:#062f29;color:#b8ccc0;padding:28px 0 90px;font-size:13px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand{color:#fff;font-weight:900;font-size:20px}.footer-links{display:flex;gap:18px;flex-wrap:wrap}.footer-links a:hover{color:var(--lime)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:18px;font-size:12px}
    .floating-bar{position:fixed;z-index:40;bottom:0;left:0;right:0;background:rgba(7,59,50,.96);color:#fff;padding:11px 0;box-shadow:0 -8px 25px rgba(0,0,0,.12)}.floating-inner{display:flex;align-items:center;justify-content:space-between;gap:15px}.floating-bar small{color:#c2d7c9}
    :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
    @media(max-width:1024px){.nav-links a{padding:9px 7px;font-size:12px}.hero-inner{gap:30px}.section{padding:75px 0}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 30px))}.nav-links{display:none;position:absolute;top:78px;left:15px;right:15px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-cta{display:none}.menu-btn{display:block}.hero-inner,.intro-grid,.numbers{grid-template-columns:1fr}.hero-panel{max-width:540px;width:100%;margin:auto}.trust-grid,.process-grid{grid-template-columns:1fr 1fr}.trust-item:nth-child(2){border-right:0}.benefit-grid,.faq-grid{grid-template-columns:1fr}.scene-layout{grid-template-columns:1fr}.scene-card.wide{grid-column:auto}.quote{grid-template-columns:1fr}.cta-inner{align-items:flex-start;flex-direction:column}.process-item:after{display:none}}
    @media(max-width:520px){.section{padding:62px 0}.section-head{display:block;margin-bottom:27px}.section-head p{margin-top:13px}.hero{padding:55px 0 64px}.hero h1{font-size:43px}.hero-lead{font-size:16px}.hero-note{gap:12px}.trust-grid,.process-grid,.metric-grid{grid-template-columns:1fr}.trust-item{border-right:0;border-bottom:1px solid var(--line)}.trust-item:last-child{border-bottom:0}.feature-image{min-height:300px}.scene-card,.scene-card.wide{min-height:220px}.footer-top{align-items:flex-start;flex-direction:column}.floating-inner{align-items:flex-start;flex-direction:column}.floating-bar .btn{padding:9px 14px;font-size:13px}}

/* roulang page: category4 */
:root{
      --ink:#17231f;
      --muted:#65736d;
      --paper:#f6f8f4;
      --surface:#ffffff;
      --line:#dfe8df;
      --green:#0b6b50;
      --green-dark:#073b32;
      --mint:#d7efe2;
      --lime:#cfe86d;
      --orange:#ed8b4e;
      --shadow:0 18px 50px rgba(20,55,42,.10);
      --shadow-sm:0 8px 24px rgba(20,55,42,.08);
      --radius:24px;
      --radius-sm:15px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
    a{text-decoration:none;color:inherit}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid rgba(237,139,78,.55);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--orange);border-radius:4px}
    .section{padding:96px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:42px}
    .section-head h2{font-size:clamp(28px,4vw,46px);line-height:1.25;letter-spacing:-.04em;margin:12px 0 0}
    .section-head p{max-width:560px;color:var(--muted);font-size:16px;margin:0}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(246,248,244,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,232,223,.8)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:-.04em;font-size:21px;color:var(--green-dark);white-space:nowrap}
    .brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:13px;background:var(--green);color:#fff;box-shadow:0 7px 17px rgba(11,107,80,.25);font-size:18px}
    .nav-links{display:flex;align-items:center;gap:4px}
    .nav-links a{padding:10px 12px;border-radius:12px;color:#53635b;font-size:13px;font-weight:700;transition:.25s;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:var(--green);background:#e5f1e9}
    .nav-cta{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:13px;background:var(--orange);color:#fff;font-weight:800;box-shadow:0 8px 18px rgba(237,139,78,.22);transition:.25s;white-space:nowrap}
    .nav-cta:hover{transform:translateY(-2px);background:#d9783d}
    .menu-btn{display:none;width:42px;height:42px;border-radius:12px;background:#e5f1e9;color:var(--green);font-size:20px}
    .hero{padding:72px 0 86px;background:var(--green-dark);color:#fff;position:relative;overflow:hidden}
    .hero-bg{position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(7,59,50,.96),rgba(7,59,50,.7)),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;opacity:.86}
    .hero:after{content:"";position:absolute;width:550px;height:550px;border:1px solid rgba(207,232,109,.2);border-radius:50%;right:-180px;top:-260px;box-shadow:0 0 0 42px rgba(207,232,109,.04),0 0 0 84px rgba(207,232,109,.025)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.03fr .97fr;gap:64px;align-items:center}
    .hero-copy{max-width:650px}
    .hero .eyebrow{color:var(--lime)}
    .hero h1{font-size:clamp(42px,6vw,76px);line-height:1.1;letter-spacing:-.065em;margin:20px 0 24px}
    .hero h1 span{color:var(--lime)}
    .hero-lead{font-size:18px;color:#d8e6dc;max-width:610px;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:30px 0 28px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border-radius:13px;font-weight:800;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--lime);color:var(--green-dark)}
    .btn-primary:hover{background:#e2f78c;transform:translateY(-2px);box-shadow:0 10px 20px rgba(207,232,109,.18)}
    .btn-ghost{border-color:rgba(255,255,255,.26);color:#fff;background:rgba(255,255,255,.05)}
    .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.45)}
    .hero-note{display:flex;align-items:center;gap:18px;color:#a9c2b2;font-size:12px}
    .hero-note strong{color:#fff;font-size:22px;margin-right:4px}
    .icon-board{background:#f8fbf4;color:var(--ink);border:1px solid rgba(255,255,255,.35);border-radius:28px;padding:22px;box-shadow:0 28px 60px rgba(0,0,0,.22);transform:rotate(1deg)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
    .panel-title{font-weight:900;font-size:17px}
    .status{display:inline-flex;align-items:center;gap:7px;color:var(--green);background:#e8f4eb;border-radius:99px;padding:6px 10px;font-size:11px;font-weight:800}
    .status i{width:7px;height:7px;border-radius:50%;background:#54a96d;box-shadow:0 0 0 4px #d8efdc}
    .icon-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .icon-cell{min-height:96px;padding:15px 12px;border:1px solid var(--line);background:#fff;border-radius:16px}
    .icon-symbol{width:32px;height:32px;display:grid;place-items:center;border-radius:10px;background:var(--mint);color:var(--green);font-weight:900;margin-bottom:8px}
    .icon-cell strong{font-size:13px;display:block}
    .icon-cell span{font-size:11px;color:var(--muted)}
    .status-bar{display:flex;justify-content:space-between;align-items:center;margin-top:15px;padding:13px 14px;border-radius:14px;background:#edf5e8;color:var(--green-dark);font-size:12px;font-weight:700}
    .trust{background:#fff;border-bottom:1px solid var(--line)}
    .trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .trust-item{display:flex;align-items:center;gap:12px;padding:21px 18px;border-right:1px solid var(--line)}
    .trust-item:last-child{border-right:0}
    .trust-item b{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:var(--mint);color:var(--green)}
    .trust-item strong{display:block;font-size:14px}
    .trust-item span{display:block;color:var(--muted);font-size:11px}
    .intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}
    .intro-image{height:420px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative}
    .intro-image img{width:100%;height:100%;object-fit:cover}
    .image-label{position:absolute;left:20px;bottom:20px;background:rgba(7,59,50,.9);color:#fff;border-radius:14px;padding:12px 15px;font-size:13px}
    .copy h3{font-size:30px;line-height:1.35;margin:14px 0}
    .copy p{color:var(--muted);margin:0 0 16px}
    .quote{border-left:3px solid var(--orange);padding:15px 20px;background:#edf5e8;border-radius:0 15px 15px 0;color:var(--green-dark);font-weight:700;margin-top:24px}
    .pillar-section{background:#e8f1e8}
    .pillar-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}
    .pillar-intro p{color:var(--muted);max-width:360px}
    .pillar-list{display:grid;gap:14px}
    .pillar{display:grid;grid-template-columns:62px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 22px;transition:.25s}
    .pillar:hover{transform:translateX(5px);box-shadow:var(--shadow-sm)}
    .pillar-num{font-size:28px;font-weight:900;color:var(--orange)}
    .pillar h3{font-size:18px;margin:0 0 4px}
    .pillar p{margin:0;color:var(--muted);font-size:13px}
    .pillar-arrow{font-size:22px;color:var(--green)}
    .scene-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
    .scene-main{min-height:410px;border-radius:var(--radius);overflow:hidden;position:relative;background:#123d33}
    .scene-main img{width:100%;height:100%;object-fit:cover;opacity:.78}
    .scene-overlay{position:absolute;inset:auto 0 0;padding:28px;color:#fff;background:linear-gradient(transparent,rgba(7,59,50,.94))}
    .scene-overlay h3{font-size:27px;margin:0 0 8px}
    .scene-overlay p{color:#d3e4d8;max-width:570px;margin:0}
    .scene-side{display:grid;gap:20px}
    .scene-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow-sm)}
    .scene-card:nth-child(2){background:var(--green-dark);color:#fff}
    .scene-card h3{margin:0 0 8px;font-size:19px}
    .scene-card p{margin:0;color:var(--muted);font-size:13px}
    .scene-card:nth-child(2) p{color:#bfd2c5}
    .tag{display:inline-flex;padding:6px 10px;border-radius:99px;background:#fce8db;color:#bd5f2c;font-size:11px;font-weight:800;margin-bottom:15px}
    .timeline-section{background:#fff}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .step{position:relative;padding:28px 24px 10px;border-right:1px solid var(--line)}
    .step:last-child{border-right:0}
    .step:before{content:"";position:absolute;top:-7px;left:24px;width:13px;height:13px;border-radius:50%;background:var(--orange);border:3px solid #fff;box-shadow:0 0 0 1px var(--orange)}
    .step small{color:var(--orange);font-weight:900;letter-spacing:.08em}
    .step h3{font-size:18px;margin:8px 0}
    .step p{color:var(--muted);font-size:13px;margin:0}
    .evidence{background:var(--green-dark);color:#fff}
    .evidence .section-head p{color:#b8ccc0}
    .evidence-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
    .metric{padding:23px;border-radius:18px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.055)}
    .metric strong{display:block;color:var(--lime);font-size:34px;line-height:1.2}
    .metric span{color:#b8ccc0;font-size:13px}
    .evidence-copy h3{font-size:30px;line-height:1.35;margin:0 0 14px}
    .evidence-copy p{color:#c5d7ca;margin:0 0 20px}
    .check-list{display:grid;gap:12px}
    .check-list li{list-style:none;display:flex;gap:10px;align-items:flex-start;color:#e1eee3}
    .check-list li:before{content:"✓";color:var(--lime);font-weight:900}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:60px}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;transition:.2s}
    details[open]{border-color:#afd0b6;box-shadow:var(--shadow-sm)}
    summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";font-size:22px;color:var(--orange);line-height:1}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:13px;margin:13px 25px 0 0}
    .cta{padding:60px 0;background:#d7efe2}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--orange);color:#fff;border-radius:var(--radius);padding:38px 44px;box-shadow:var(--shadow)}
    .cta-box h2{font-size:clamp(27px,4vw,42px);line-height:1.25;margin:0 0 8px}
    .cta-box p{margin:0;color:#fff2e9}
    .cta-box .btn{background:#fff;color:var(--green-dark)}
    .cta-box .btn:hover{background:#f4f8ed;transform:translateY(-2px)}
    footer{background:#062e28;color:#d6e6d8;padding:46px 0 30px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:45px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.14)}
    .footer-brand{font-size:23px;font-weight:900;color:#fff;margin-bottom:12px}
    footer p{color:#9fb9a7;font-size:13px;margin:0;max-width:390px}
    .footer-title{color:#fff;font-weight:800;margin-bottom:12px}
    .footer-links{display:grid;gap:7px;color:#a9c1ad;font-size:13px}
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;padding-top:22px;color:#8eaa98;font-size:12px}
    .footer-bottom a{color:#c0d7c5}
    .footer-bottom a:hover{color:var(--lime)}
    .bottom-bar{position:fixed;z-index:40;bottom:18px;right:22px;display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);padding:11px 12px 11px 17px;border-radius:99px;box-shadow:0 12px 35px rgba(20,55,42,.18);font-size:13px}
    .bottom-bar strong{color:var(--green-dark)}
    .bottom-bar a{background:var(--green);color:#fff;padding:8px 14px;border-radius:99px;font-weight:800}
    @media(max-width:1024px){
      .nav-links{gap:0}
      .nav-links a{padding:9px 7px;font-size:12px}
      .hero-inner,.intro-grid,.pillar-layout,.evidence-grid{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 30px))}
      .nav-wrap{height:68px}
      .nav-cta{display:none}
      .menu-btn{display:block}
      .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:12px 14px}
      .section{padding:70px 0}
      .hero{padding:58px 0 68px}
      .hero-inner,.intro-grid,.pillar-layout,.scene-grid,.evidence-grid,.faq-grid{grid-template-columns:1fr}
      .hero-panel{max-width:560px}
      .section-head{display:block;margin-bottom:30px}
      .section-head p{margin-top:15px}
      .trust-grid{grid-template-columns:repeat(2,1fr)}
      .trust-item:nth-child(2){border-right:0}
      .trust-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .timeline{grid-template-columns:repeat(2,1fr);border-top:0;gap:15px}
      .step{border:1px solid var(--line);border-radius:16px;padding:25px 18px 18px}
      .step:before{top:-7px;left:18px}
      .cta-box{display:block;padding:30px}
      .cta-box .btn{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:520px){
      .hero h1{font-size:43px}
      .hero-lead{font-size:16px}
      .icon-grid{grid-template-columns:repeat(2,1fr)}
      .trust-grid,.metric-grid,.timeline{grid-template-columns:1fr}
      .trust-item{border-right:0!important;border-bottom:1px solid var(--line)}
      .trust-item:last-child{border-bottom:0}
      .intro-image{height:300px}
      .pillar{grid-template-columns:43px 1fr}
      .pillar-arrow{display:none}
      .scene-main{min-height:330px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom div+div{margin-top:10px}
      .bottom-bar{left:15px;right:15px;justify-content:space-between}
    }

/* roulang page: category2 */
:root{
      --ink:#17231f;
      --muted:#65736d;
      --paper:#f6f8f4;
      --surface:#ffffff;
      --line:#dfe8df;
      --green:#0b6b50;
      --green-dark:#073b32;
      --mint:#d7efe2;
      --lime:#cfe86d;
      --orange:#ed8b4e;
      --shadow:0 18px 50px rgba(20,55,42,.10);
      --shadow-sm:0 8px 24px rgba(20,55,42,.08);
      --radius:24px;
      --radius-sm:15px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
    a{text-decoration:none;color:inherit}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid rgba(237,139,78,.55);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--orange);border-radius:4px}
    .section{padding:94px 0}
    .section-alt{background:#eef4ee}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:40px}
    .section-head h2{font-size:clamp(29px,4vw,46px);line-height:1.24;letter-spacing:-.045em;margin:12px 0 0}
    .section-head p{max-width:540px;margin:0;color:var(--muted);font-size:16px}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(246,248,244,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,232,223,.9)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:-.04em;font-size:21px;color:var(--green-dark);white-space:nowrap}
    .brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:13px;background:var(--green);color:#fff;box-shadow:0 7px 17px rgba(11,107,80,.25);font-size:18px}
    .nav-links{display:flex;align-items:center;gap:4px}
    .nav-links a{padding:10px 12px;border-radius:12px;color:#53635b;font-size:13px;font-weight:700;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--green);background:#e5f1e9}
    .nav-cta{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:13px;background:var(--orange);color:#fff;font-weight:800;box-shadow:0 8px 18px rgba(237,139,78,.22);transition:.25s;white-space:nowrap}
    .nav-cta:hover{transform:translateY(-2px);background:#d9783d}
    .menu-btn{display:none;width:42px;height:42px;border-radius:12px;background:#e5f1e9;color:var(--green);font-size:20px}
    .hero{position:relative;overflow:hidden;background:var(--green-dark);color:#fff;padding:66px 0 82px}
    .hero-bg{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,59,50,.96) 0%,rgba(7,59,50,.85) 48%,rgba(7,59,50,.5) 100%),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;opacity:.95}
    .hero:after{content:"";position:absolute;width:500px;height:500px;border:1px solid rgba(207,232,109,.22);border-radius:50%;right:-170px;bottom:-260px;box-shadow:0 0 0 42px rgba(207,232,109,.04),0 0 0 84px rgba(207,232,109,.025)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr .76fr;gap:58px;align-items:center}
    .hero .eyebrow{color:var(--lime)}
    .hero h1{font-size:clamp(42px,6vw,73px);line-height:1.08;letter-spacing:-.07em;margin:18px 0 23px;max-width:650px}
    .hero h1 span{color:var(--lime)}
    .hero-lead{max-width:610px;color:#d4e4da;font-size:18px;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:30px 0 22px}
    .btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;padding:13px 20px;border-radius:13px;font-weight:800;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--lime);color:var(--green-dark)}
    .btn-primary:hover{background:#e2f78c;transform:translateY(-2px);box-shadow:0 10px 22px rgba(207,232,109,.2)}
    .btn-ghost{border-color:rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.06)}
    .btn-ghost:hover{background:rgba(255,255,255,.13)}
    .hero-tip{font-size:13px;color:#a9c6b5}
    .video-card{position:relative;width:min(100%,330px);justify-self:end;min-height:510px;overflow:hidden;border:8px solid rgba(255,255,255,.88);border-radius:34px;background:#102d26;box-shadow:0 28px 60px rgba(0,0,0,.3);transform:rotate(2deg)}
    .video-card img{width:100%;height:510px;object-fit:cover;opacity:.78}
    .video-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,30,24,.05),rgba(4,30,24,.9))}
    .live-dot{position:absolute;top:18px;left:18px;display:inline-flex;align-items:center;gap:7px;padding:7px 10px;border-radius:20px;background:rgba(255,255,255,.94);color:var(--green-dark);font-size:11px;font-weight:900}
    .live-dot i{display:block;width:7px;height:7px;background:#e65a4f;border-radius:50%;box-shadow:0 0 0 4px rgba(230,90,79,.14)}
    .video-copy{position:absolute;left:21px;right:21px;bottom:21px}
    .video-copy small{display:block;color:var(--lime);font-weight:800;letter-spacing:.08em}
    .video-copy strong{display:block;font-size:25px;line-height:1.25;margin:8px 0}
    .video-copy span{color:#d5e2d9;font-size:13px}
    .intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:start}
    .intro-title{font-size:clamp(30px,4vw,47px);line-height:1.25;letter-spacing:-.05em;margin:12px 0 0}
    .rich-copy{color:#40534a;font-size:16px}
    .rich-copy p{margin:0 0 18px}
    .notice{margin-top:26px;padding:18px 20px;border-left:4px solid var(--orange);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:#fff6ed;color:#704528;font-size:14px}
    .benefit-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:20px;align-items:stretch}
    .feature-image{position:relative;min-height:470px;overflow:hidden;border-radius:var(--radius);background:#b9d4c4}
    .feature-image img{width:100%;height:100%;object-fit:cover}
    .feature-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,59,50,.72),transparent 56%)}
    .feature-caption{position:absolute;z-index:1;bottom:25px;left:25px;right:25px;color:#fff}
    .feature-caption h3{font-size:28px;line-height:1.25;margin:0 0 8px}
    .feature-caption p{margin:0;color:#d8e8de}
    .benefit-list{display:grid;gap:14px}
    .benefit-item{padding:22px;border-radius:var(--radius-sm);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm);transition:.25s}
    .benefit-item:hover{transform:translateX(5px);border-color:#b9d8c4}
    .benefit-item b{display:flex;align-items:center;gap:11px;font-size:18px}
    .benefit-item b em{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:var(--mint);color:var(--green);font-style:normal;font-size:14px}
    .benefit-item p{margin:7px 0 0;color:var(--muted);font-size:14px}
    .scene-wrap{display:grid;grid-template-columns:1fr .86fr;gap:48px;align-items:center}
    .scene-list{display:grid;gap:11px;margin-top:28px}
    .scene-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
    .scene-no{flex:0 0 34px;width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--green);color:var(--lime);font-size:12px;font-weight:900}
    .scene-item h3{margin:0 0 3px;font-size:17px}
    .scene-item p{margin:0;color:var(--muted);font-size:14px}
    .info-panel{padding:28px;border-radius:var(--radius);background:var(--green-dark);color:#fff;box-shadow:var(--shadow)}
    .info-panel h3{font-size:25px;line-height:1.3;margin:8px 0 22px}
    .match-row{display:grid;grid-template-columns:1fr auto;gap:15px;align-items:center;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.13)}
    .match-row:last-child{border-bottom:0}
    .match-row b{display:block;font-size:15px}
    .match-row span{display:block;color:#b9cfc1;font-size:12px}
    .tag{display:inline-flex;align-items:center;padding:5px 9px;border-radius:99px;background:rgba(207,232,109,.17);color:var(--lime);font-size:11px;font-weight:800;white-space:nowrap}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{position:relative;padding:26px 20px;border-radius:var(--radius-sm);background:#fff;border:1px solid var(--line);min-height:212px;box-shadow:var(--shadow-sm)}
    .step-no{display:inline-grid;place-items:center;width:39px;height:39px;border-radius:13px;background:var(--green);color:var(--lime);font-weight:900}
    .step h3{font-size:18px;margin:18px 0 7px}
    .step p{color:var(--muted);font-size:13px;margin:0}
    .dark-section{background:var(--green-dark);color:#fff}
    .dark-section .eyebrow{color:var(--lime)}
    .dark-section .section-head p{color:#b8ccc0}
    .evidence-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:22px}
    .quote-card{padding:34px;border-radius:var(--radius);background:var(--lime);color:var(--green-dark)}
    .quote-card .quote-mark{font-size:52px;line-height:.7;font-weight:900}
    .quote-card p{font-size:23px;font-weight:800;line-height:1.5;margin:18px 0}
    .quote-card span{font-size:13px;color:#375f4e}
    .evidence-list{display:grid;gap:12px}
    .evidence{display:flex;gap:16px;padding:19px;border:1px solid rgba(255,255,255,.15);border-radius:16px;background:rgba(255,255,255,.06)}
    .evidence-icon{display:grid;place-items:center;flex:0 0 42px;width:42px;height:42px;border-radius:13px;background:rgba(207,232,109,.14);color:var(--lime);font-weight:900}
    .evidence h3{font-size:16px;margin:0 0 4px}
    .evidence p{color:#b9cfc1;font-size:13px;margin:0}
    .knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .knowledge-card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);transition:.28s}
    .knowledge-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
    .knowledge-card img{width:100%;height:174px;object-fit:cover}
    .knowledge-card div{padding:20px}
    .knowledge-card small{color:var(--green);font-weight:800}
    .knowledge-card h3{font-size:19px;margin:8px 0}
    .knowledge-card p{color:var(--muted);font-size:13px;margin:0}
    .faq-list{max-width:920px;margin:0 auto;display:grid;gap:12px}
    .faq{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}
    .faq summary{position:relative;padding:20px 55px 20px 21px;list-style:none;font-size:17px;font-weight:800;cursor:pointer}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"+";position:absolute;right:21px;top:15px;width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:#e8f2ea;color:var(--green);font-size:21px;transition:.2s}
    .faq[open] summary:after{content:"−";background:var(--green);color:#fff}
    .faq p{margin:0;padding:0 21px 21px;color:var(--muted);font-size:14px}
    .cta-box{position:relative;overflow:hidden;padding:54px;border-radius:var(--radius);background:var(--green);color:#fff}
    .cta-box:after{content:"";position:absolute;width:350px;height:350px;border-radius:50%;border:1px solid rgba(255,255,255,.18);right:-100px;top:-140px;box-shadow:0 0 0 35px rgba(255,255,255,.045)}
    .cta-content{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta-content h2{font-size:clamp(28px,4vw,43px);line-height:1.25;letter-spacing:-.045em;margin:8px 0}
    .cta-content p{max-width:610px;margin:0;color:#d1e5d7}
    .cta-form{position:relative;z-index:1;display:flex;gap:9px;padding:7px;background:#fff;border-radius:15px;min-width:330px}
    .cta-form input{width:100%;border:0;outline:0;padding:10px 12px;color:var(--ink);background:transparent}
    .cta-form button{padding:11px 16px;border-radius:10px;background:var(--orange);color:#fff;white-space:nowrap;font-weight:800;transition:.25s}
    .cta-form button:hover{background:#d9783d}
    footer{background:#062e27;color:#c1d3c9;padding:48px 0 92px}
    .footer-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:35px;padding-bottom:33px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{color:#fff;font-size:23px;font-weight:900;margin-bottom:12px}
    .footer-brand span{color:var(--lime)}
    .footer-text{max-width:410px;font-size:13px;margin:0;color:#a9c3b5}
    .footer-group h3{font-size:13px;color:#fff;margin:0 0 10px}
    .footer-group a{display:block;width:max-content;color:#b7cdc1;font-size:13px;margin:6px 0;transition:.2s}
    .footer-group a:hover{color:var(--lime)}
    .footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:22px;font-size:12px;color:#9eb8aa}
    .footer-records{display:flex;flex-wrap:wrap;gap:14px}
    .footer-person{display:flex;align-items:center;gap:9px;color:#d5e5dc}
    .avatar{display:grid;place-items:center;width:27px;height:27px;border-radius:50%;background:var(--orange);color:#fff;font-size:12px;font-weight:900}
    .fixed-bar{position:fixed;z-index:45;bottom:17px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:22px;width:min(690px,calc(100% - 28px));padding:10px 11px 10px 19px;border:1px solid rgba(255,255,255,.55);border-radius:18px;background:rgba(7,59,50,.94);box-shadow:0 15px 40px rgba(0,0,0,.22);backdrop-filter:blur(12px);color:#fff}
    .fixed-bar p{margin:0;flex:1;font-size:13px;color:#d3e3da}
    .fixed-bar p b{color:var(--lime)}
    .fixed-bar .btn{padding:10px 16px;font-size:13px;white-space:nowrap}
    @media(max-width:1100px){
      .nav-links a{padding:9px 8px;font-size:12px}
      .nav-cta{padding:10px 13px;font-size:13px}
      .steps{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:900px){
      .menu-btn{display:grid;place-items:center}
      .nav-cta{margin-left:auto}
      .nav-links{position:absolute;display:none;top:78px;left:0;right:0;flex-direction:column;align-items:stretch;padding:16px 20px 20px;background:rgba(246,248,244,.98);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px;font-size:14px}
      .hero-inner,.intro-grid,.benefit-grid,.scene-wrap,.evidence-grid{grid-template-columns:1fr}
      .video-card{justify-self:center;margin-top:4px;transform:none}
      .section-head{display:block}
      .section-head p{margin-top:16px}
      .cta-content{display:block}
      .cta-form{margin-top:24px;max-width:500px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:620px){
      .container{width:min(100% - 28px,var(--max))}
      .nav-wrap{height:70px}
      .brand{font-size:19px}
      .brand-mark{width:35px;height:35px}
      .nav-cta{display:none}
      .nav-links{top:70px}
      .hero{padding:53px 0 62px}
      .hero h1{font-size:42px}
      .hero-lead{font-size:16px}
      .video-card,.video-card img{min-height:430px;height:430px}
      .section{padding:67px 0}
      .knowledge-grid,.steps{grid-template-columns:1fr}
      .feature-image{min-height:350px}
      .cta-box{padding:31px 23px}
      .cta-form{min-width:0;flex-direction:column;padding:9px}
      .cta-form button{width:100%}
      .footer-grid{grid-template-columns:1fr;gap:22px}
      .footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{align-items:flex-start;flex-direction:column}
      .fixed-bar{bottom:10px;gap:10px;padding:9px 9px 9px 14px}
      .fixed-bar p{font-size:11px;line-height:1.5}
      .fixed-bar .btn{padding:9px 12px;font-size:12px}
    }

/* roulang page: category5 */
:root{
 --ink:#17231f;
 --muted:#65736d;
 --paper:#f6f8f4;
 --surface:#ffffff;
 --line:#dfe8df;
 --green:#0b6b50;
 --green-dark:#073b32;
 --mint:#d7efe2;
 --lime:#cfe86d;
 --orange:#ed8b4e;
 --red:#c44e45;
 --shadow:0 18px 50px rgba(20,55,42,.10);
 --shadow-sm:0 8px 24px rgba(20,55,42,.08);
 --radius:24px;
 --radius-sm:15px;
 --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%;height:auto}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
:focus-visible{outline:3px solid rgba(207,232,109,.85);outline-offset:3px}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.section{padding:92px 0}
.section-soft{background:#eef4ee}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.12em}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--orange);border-radius:4px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:34px;margin-bottom:38px}
.section-head h2{margin:10px 0 0;font-size:clamp(28px,4vw,45px);line-height:1.22;letter-spacing:-.045em}
.section-head p{max-width:550px;margin:0;color:var(--muted);font-size:16px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(246,248,244,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,232,223,.85)}
.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:-.04em;font-size:21px;color:var(--green-dark);white-space:nowrap}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:13px;background:var(--green);color:#fff;box-shadow:0 7px 17px rgba(11,107,80,.25);font-size:18px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:10px 12px;border-radius:12px;color:#53635b;font-size:13px;font-weight:700;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--green);background:#e5f1e9}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:13px;background:var(--orange);color:#fff;font-weight:800;box-shadow:0 8px 18px rgba(237,139,78,.22);transition:.25s;white-space:nowrap}
.nav-cta:hover{transform:translateY(-2px);background:#d9783d}
.menu-btn{display:none;width:42px;height:42px;border-radius:12px;background:#e5f1e9;color:var(--green);font-size:20px}
.hero{position:relative;overflow:hidden;padding:66px 0 78px;background:var(--green-dark);color:#fff}
.hero-bg{position:absolute;inset:0;background:linear-gradient(105deg,rgba(7,59,50,.97) 20%,rgba(7,59,50,.78) 70%),url("/assets/images/backpic/back-2.webp") center/cover;opacity:.9}
.hero:after{content:"";position:absolute;width:490px;height:490px;border-radius:50%;right:-160px;top:-210px;border:1px solid rgba(207,232,109,.25);box-shadow:0 0 0 38px rgba(207,232,109,.04),0 0 0 78px rgba(207,232,109,.025)}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.13fr .87fr;gap:30px;align-items:stretch}
.hero-copy{padding:22px 10px 22px 0}
.hero .eyebrow{color:var(--lime)}
.hero h1{font-size:clamp(42px,5.5vw,72px);line-height:1.08;letter-spacing:-.07em;margin:18px 0 22px}
.hero h1 span{color:var(--lime)}
.hero-lead{max-width:650px;margin:0;color:#d5e5da;font-size:17px}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:29px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border-radius:13px;font-weight:800;border:1px solid transparent;transition:.25s}
.btn-primary{background:var(--lime);color:var(--green-dark)}
.btn-primary:hover{background:#e2f78c;transform:translateY(-2px);box-shadow:0 10px 22px rgba(207,232,109,.18)}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.hero-tip{display:flex;align-items:center;gap:11px;margin-top:25px;color:#bbd1c3;font-size:13px}
.hero-tip i{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;font-style:normal;background:rgba(207,232,109,.16);color:var(--lime)}
.bento{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.bento-main{grid-column:span 2;min-height:198px;padding:25px;border-radius:25px;background:#f9fcf6;color:var(--ink);box-shadow:0 22px 50px rgba(0,0,0,.19);background-image:linear-gradient(125deg,rgba(255,255,255,.85),rgba(216,240,225,.6)),url("/assets/images/coverpic/cover-5.webp");background-position:center;background-size:cover}
.bento-main .mini-label,.bento-card .mini-label{font-size:11px;font-weight:900;letter-spacing:.1em;color:var(--green)}
.bento-main h3{font-size:24px;line-height:1.35;margin:13px 0 8px;letter-spacing:-.04em;max-width:350px}
.bento-main p{margin:0;color:#496158;font-size:13px;max-width:360px}
.bento-card{min-height:145px;padding:18px;border-radius:20px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.17);backdrop-filter:blur(7px)}
.bento-card strong{display:block;margin:9px 0 4px;font-size:20px;color:var(--lime)}
.bento-card p{margin:0;color:#c5d8cc;font-size:12px;line-height:1.65}
.notice-bar{position:relative;z-index:2;margin-top:-1px;background:var(--lime)}
.notice-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:15px 0;color:var(--green-dark);font-size:13px;font-weight:700}
.notice-inner strong{font-size:14px}
.text-link{font-weight:900;text-decoration:underline;text-underline-offset:4px}
.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.principle-card{padding:29px 25px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);transition:.25s}
.principle-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.icon-round{display:grid;place-items:center;width:46px;height:46px;border-radius:15px;background:var(--mint);color:var(--green);font-size:21px;font-weight:900}
.principle-card h3{margin:17px 0 9px;font-size:20px;letter-spacing:-.03em}
.principle-card p{margin:0;color:var(--muted);font-size:14px}
.split-story{display:grid;grid-template-columns:.9fr 1.1fr;gap:68px;align-items:center}
.story-image{position:relative;min-height:460px;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow)}
.story-image img{width:100%;height:100%;object-fit:cover}
.story-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(7,59,50,.78))}
.image-note{position:absolute;z-index:2;left:24px;right:24px;bottom:21px;color:#fff;font-size:14px;font-weight:700}
.story-copy h2{font-size:clamp(31px,4vw,48px);line-height:1.2;letter-spacing:-.05em;margin:15px 0 20px}
.story-copy>p{color:var(--muted);font-size:16px}
.check-list{display:grid;gap:14px;margin-top:26px}
.check-item{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line)}
.check-item:last-child{border-bottom:0}
.check-mark{flex:0 0 auto;display:grid;place-items:center;width:26px;height:26px;margin-top:2px;border-radius:50%;background:var(--green);color:#fff;font-size:13px}
.check-item strong{display:block;font-size:16px}
.check-item span{display:block;color:var(--muted);font-size:13px;margin-top:1px}
.dark-section{background:var(--green-dark);color:#fff}
.dark-section .eyebrow{color:var(--lime)}
.dark-section .section-head p{color:#b8ccc0}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step-card{position:relative;padding:25px 20px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);border-radius:19px;transition:.25s}
.step-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.1)}
.step-no{display:block;margin-bottom:19px;color:var(--lime);font-size:13px;font-weight:900;letter-spacing:.11em}
.step-card h3{margin:0 0 9px;font-size:18px}
.step-card p{margin:0;color:#bfd0c6;font-size:13px}
.scene-layout{display:grid;grid-template-columns:1fr .9fr;gap:26px;align-items:stretch}
.scene-list{display:grid;gap:10px}
.scene-item{display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:16px;padding:18px 19px;background:#fff;border:1px solid var(--line);border-radius:16px;transition:.25s}
.scene-item:hover{border-color:#b8d7c1;transform:translateX(4px);box-shadow:var(--shadow-sm)}
.scene-num{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:#e9f4ea;color:var(--green);font-weight:900}
.scene-item h3{margin:0;font-size:16px}
.scene-item p{margin:2px 0 0;color:var(--muted);font-size:13px}
.scene-arrow{color:var(--orange);font-size:21px;font-weight:900}
.scene-panel{border-radius:var(--radius);overflow:hidden;position:relative;min-height:410px;background:var(--green-dark)}
.scene-panel img{width:100%;height:100%;object-fit:cover;opacity:.55}
.scene-overlay{position:absolute;inset:auto 0 0;padding:30px;color:#fff;background:linear-gradient(transparent,rgba(7,59,50,.98))}
.scene-overlay h3{margin:0 0 7px;font-size:26px}
.scene-overlay p{margin:0;color:#d1e2d8;font-size:14px}
.reminder-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.reminder{padding:31px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.reminder.warning{background:#fff7ef;border-color:#f1d4bc}
.reminder h3{font-size:23px;margin:0 0 12px}
.reminder p{margin:0;color:var(--muted)}
.reminder ul{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:10px}
.reminder li{position:relative;padding-left:22px;color:#475951;font-size:14px}
.reminder li:before{content:"";position:absolute;left:0;top:.74em;width:8px;height:8px;border-radius:50%;background:var(--green)}
.warning li:before{background:var(--orange)}
.quote-wrap{padding:37px 44px;border-radius:var(--radius);background:#e3f0e5;border:1px solid #cbe2d0}
.quote-wrap blockquote{margin:0;font-size:clamp(22px,3vw,34px);line-height:1.55;letter-spacing:-.035em;font-weight:800;max-width:920px}
.quote-wrap cite{display:block;margin-top:20px;color:var(--green);font-size:14px;font-style:normal;font-weight:800}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:56px}
.faq-intro h2{font-size:clamp(30px,4vw,44px);line-height:1.25;letter-spacing:-.05em;margin:14px 0}
.faq-intro p{color:var(--muted);font-size:16px}
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.faq-q{display:flex;width:100%;padding:19px 20px;align-items:center;justify-content:space-between;gap:20px;background:transparent;color:var(--ink);font-weight:900;text-align:left}
.faq-q span:last-child{color:var(--green);font-size:22px;transition:.25s}
.faq-a{display:none;padding:0 20px 20px;color:var(--muted);font-size:14px}
.faq-item.open{border-color:#b8d7c1;box-shadow:var(--shadow-sm)}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
.cta-section{padding:82px 0;background:var(--green-dark)}
.cta-box{position:relative;overflow:hidden;padding:49px 54px;border-radius:30px;background:linear-gradient(120deg,#0d7659,#0b5947);color:#fff}
.cta-box:before{content:"";position:absolute;width:360px;height:360px;right:-90px;top:-190px;border-radius:50%;border:1px solid rgba(207,232,109,.35);box-shadow:0 0 0 40px rgba(207,232,109,.055)}
.cta-box>*{position:relative;z-index:1}
.cta-box h2{max-width:680px;margin:12px 0;font-size:clamp(30px,4vw,47px);line-height:1.2;letter-spacing:-.05em}
.cta-box p{max-width:650px;margin:0;color:#c8ddd0;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:27px}
footer{background:#0a3029;color:#d2e0d7;padding:54px 0 100px}
.footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:30px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:21px;font-weight:900}
.footer-brand .brand-mark{background:var(--lime);color:var(--green-dark);box-shadow:none}
.footer-copy{max-width:390px;margin:16px 0 0;color:#a9c2b4;font-size:13px}
.footer-title{margin:3px 0 13px;color:#fff;font-size:14px;font-weight:900}
.footer-links{display:grid;gap:8px;color:#adc5b8;font-size:13px}
.footer-links a:hover{color:var(--lime)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:25px;color:#9eb8aa;font-size:12px}
.footer-bottom a{text-decoration:underline;text-underline-offset:3px}
.fixed-bar{position:fixed;z-index:40;bottom:18px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:20px;width:min(650px,calc(100% - 28px));padding:11px 12px 11px 19px;border-radius:18px;background:rgba(255,255,255,.95);border:1px solid rgba(223,232,223,.96);box-shadow:0 15px 40px rgba(7,59,50,.18);backdrop-filter:blur(12px)}
.fixed-bar p{flex:1;margin:0;color:#41564b;font-size:13px;font-weight:700}
.fixed-bar .btn{padding:10px 15px;font-size:13px}
@media(max-width:1024px){
 .nav-links a{padding:9px 8px;font-size:12px}
 .nav-cta{padding:11px 13px;font-size:13px}
 .hero-inner,.split-story,.faq-layout{gap:38px}
 .step-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(100% - 30px,var(--max))}
 .section{padding:68px 0}
 .site-header{position:sticky}
 .nav-wrap{height:69px;gap:12px}
 .nav-cta{margin-left:auto;padding:10px 12px;font-size:12px}
 .menu-btn{display:block}
 .nav-links{display:none;position:absolute;left:15px;right:15px;top:68px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav-links.show{display:flex}
 .nav-links a{padding:12px 14px;font-size:14px}
 .hero{padding:46px 0 55px}
 .hero-inner,.split-story,.scene-layout,.faq-layout{grid-template-columns:1fr}
 .hero-copy{padding:0}
 .hero h1{font-size:46px}
 .bento{max-width:560px}
 .section-head{display:block;margin-bottom:29px}
 .section-head p{margin-top:14px}
 .principle-grid{grid-template-columns:1fr}
 .story-image{min-height:330px}
 .scene-panel{min-height:320px;order:-1}
 .reminder-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
 .footer-grid>div:first-child{grid-column:span 2}
}
@media(max-width:520px){
 body{font-size:14px}
 .nav-cta{display:none}
 .hero h1{font-size:39px}
 .hero-lead{font-size:15px}
 .hero-actions,.cta-actions{flex-direction:column}
 .hero-actions .btn,.cta-actions .btn{width:100%}
 .bento{grid-template-columns:1fr}
 .bento-main{grid-column:span 1}
 .bento-card{min-height:115px}
 .step-grid{grid-template-columns:1fr}
 .scene-item{grid-template-columns:43px 1fr}
 .scene-arrow{display:none}
 .quote-wrap{padding:29px 23px}
 .cta-box{padding:36px 24px}
 .footer-grid{grid-template-columns:1fr}
 .footer-grid>div:first-child{grid-column:auto}
 .footer-bottom{display:block;line-height:2}
 .fixed-bar{bottom:9px;padding:9px 10px 9px 14px;gap:10px}
 .fixed-bar p{font-size:11px;line-height:1.45}
 .fixed-bar .btn{padding:9px 10px;font-size:12px}
}

/* roulang page: category6 */
:root{
      --ink:#17231f;--muted:#65736d;--paper:#f6f8f4;--surface:#fff;
      --line:#dfe8df;--green:#0b6b50;--green-dark:#073b32;
      --mint:#d7efe2;--lime:#cfe86d;--orange:#ed8b4e;
      --shadow:0 18px 50px rgba(20,55,42,.10);--shadow-sm:0 8px 24px rgba(20,55,42,.08);
      --radius:24px;--radius-sm:15px;--max:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.8}
    a{text-decoration:none;color:inherit} img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}button{cursor:pointer;border:0}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(246,248,244,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,232,223,.85)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:11px;color:var(--green-dark);font-size:21px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
    .brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:13px;background:var(--green);color:#fff;box-shadow:0 7px 17px rgba(11,107,80,.25);font-size:18px}
    .nav-links{display:flex;align-items:center;gap:3px}
    .nav-links a{padding:10px 11px;border-radius:12px;color:#53635b;font-size:13px;font-weight:700;transition:.25s;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:#e5f1e9;color:var(--green)}
    .nav-cta{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:13px;background:var(--orange);color:#fff;font-weight:800;box-shadow:0 8px 18px rgba(237,139,78,.22);transition:.25s;white-space:nowrap}
    .nav-cta:hover{transform:translateY(-2px);background:#d9783d}
    .menu-btn{display:none;width:42px;height:42px;border-radius:12px;background:#e5f1e9;color:var(--green);font-size:20px}
    .hero{position:relative;overflow:hidden;padding:76px 0 92px;background:var(--green-dark);color:#fff}
    .hero-bg{position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(7,59,50,.96),rgba(7,59,50,.67)),url("/assets/images/backpic/back-3.webp");background-size:cover;background-position:center;opacity:.9}
    .hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(207,232,109,.2);border-radius:50%;right:-160px;top:-250px;box-shadow:0 0 0 42px rgba(207,232,109,.035),0 0 0 84px rgba(207,232,109,.025)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:5fr 7fr;gap:45px;align-items:center}
    .hero-copy{max-width:540px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--orange);border-radius:4px}
    .hero .eyebrow{color:var(--lime)}
    .hero h1{font-size:clamp(40px,5vw,70px);line-height:1.12;letter-spacing:-.065em;margin:20px 0 22px}
    .hero h1 span{color:var(--lime)}
    .hero-lead{color:#d8e6dc;font-size:17px;max-width:520px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:29px 0 25px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border-radius:13px;font-weight:800;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--lime);color:var(--green-dark)}
    .btn-primary:hover{background:#e2f78c;transform:translateY(-2px);box-shadow:0 10px 20px rgba(207,232,109,.18)}
    .btn-ghost{border-color:rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.06)}
    .btn-ghost:hover{background:rgba(255,255,255,.13)}
    .hero-note{display:flex;gap:18px;color:#a9c2b2;font-size:12px}
    .hero-note strong{color:#fff;font-size:21px;margin-right:4px}
    .hero-visual{position:relative;transform:rotate(2deg) translate(18px,8px)}
    .hero-visual img{width:100%;height:470px;object-fit:cover;border-radius:30px;box-shadow:0 30px 65px rgba(0,0,0,.3);border:7px solid rgba(255,255,255,.13)}
    .floating-card{position:absolute;left:-28px;bottom:25px;width:245px;padding:18px;border-radius:18px;background:#f8fbf4;color:var(--ink);box-shadow:var(--shadow)}
    .floating-card small{color:var(--muted);font-size:11px}.floating-card strong{display:block;font-size:21px;margin:4px 0 8px}
    .progress{height:7px;border-radius:20px;background:#deeadf;overflow:hidden}.progress i{display:block;width:76%;height:100%;background:var(--orange);border-radius:20px}
    .trust{background:#fff;border-bottom:1px solid var(--line)}
    .trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
    .trust-item{padding:22px 18px;border-right:1px solid var(--line);display:flex;gap:12px;align-items:center}
    .trust-item:last-child{border-right:0}.trust-icon{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:var(--mint);color:var(--green);font-weight:900}
    .trust-item strong{display:block;font-size:14px}.trust-item span{display:block;color:var(--muted);font-size:11px}
    .section{padding:96px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:40px}
    .section-head h2{font-size:clamp(28px,4vw,46px);line-height:1.25;letter-spacing:-.04em;margin:12px 0 0}
    .section-head p{max-width:570px;color:var(--muted);font-size:16px}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}
    .feature-image{min-height:430px;border-radius:var(--radius);overflow:hidden;background:#c8dfd1;box-shadow:var(--shadow)}
    .feature-image img{width:100%;height:100%;min-height:430px;object-fit:cover}
    .copy-block h3{font-size:30px;line-height:1.35;margin:14px 0}.copy-block p{color:var(--muted);margin:0 0 18px}
    .bullet-list{display:grid;gap:14px;margin-top:25px}.bullet{display:flex;gap:12px;align-items:flex-start}.bullet b{width:25px;height:25px;display:grid;place-items:center;border-radius:50%;background:var(--lime);color:var(--green-dark);font-size:12px;flex:none}.bullet span{color:#52625a}
    .info-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.info-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}
    .info-panel h3{font-size:23px;margin:0 0 16px}.info-panel p{color:var(--muted)}.schedule-list{display:grid;gap:11px;margin-top:20px}
    .schedule-row{display:grid;grid-template-columns:90px 1fr auto;gap:14px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:14px;background:#fbfdf9}
    .schedule-row time{color:var(--green);font-weight:900}.schedule-row small{color:var(--muted)}.state{padding:5px 9px;border-radius:99px;background:#e8f4eb;color:var(--green);font-size:11px;font-weight:800}
    .dark-section{background:var(--green-dark);color:#fff}.dark-section .section-head p{color:#b8ccc0}.dark-section .eyebrow{color:var(--lime)}
    .dark-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px}.dark-copy h3{font-size:31px;line-height:1.35;margin:15px 0}.dark-copy p{color:#bdd0c4}
    .data-list{display:grid;gap:13px}.data-item{display:flex;justify-content:space-between;gap:18px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.14)}.data-item span{color:#b8ccc0}.data-item strong{color:var(--lime)}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;transition:.28s;box-shadow:var(--shadow-sm)}.scene-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.scene-card img{height:170px;width:100%;object-fit:cover}.scene-body{padding:21px}.scene-body h3{font-size:19px;margin:5px 0 8px}.scene-body p{color:var(--muted);font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{position:relative;padding:24px;background:#e8f1e8;border-radius:18px;border:1px solid #d6e5d5}.step-no{color:var(--orange);font-weight:900;font-size:13px}.step h3{font-size:18px;margin:12px 0 6px}.step p{color:var(--muted);font-size:13px;margin:0}
    .note-band{padding:24px 28px;border-left:4px solid var(--orange);background:#fff8f2;border-radius:0 18px 18px 0;color:#6b5b50}.note-band strong{color:var(--ink)}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq{background:#fff;border:1px solid var(--line);border-radius:17px;padding:22px}.faq h3{font-size:17px;margin:0 0 8px}.faq p{color:var(--muted);font-size:13px;margin:0}
    .cta{padding:78px 0;background:var(--mint)}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:34px 40px;border-radius:28px;background:var(--green);color:#fff;box-shadow:var(--shadow)}.cta-box h2{font-size:clamp(27px,4vw,42px);line-height:1.25;margin:0 0 10px}.cta-box p{color:#d0e2d5;margin:0;max-width:650px}
    footer{background:#062e28;color:#d6e4d9;padding:45px 0 92px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:40px}.footer-brand{font-size:22px;font-weight:900;color:#fff}.footer-copy{color:#9eb7a8;font-size:13px;max-width:390px}.footer-title{color:#fff;font-weight:800;margin-bottom:12px}.footer-links{display:grid;gap:8px;color:#a9c2b2;font-size:13px}.footer-links a:hover{color:var(--lime)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.14);margin-top:32px;padding-top:20px;color:#91aa9b;font-size:12px}.avatar{display:inline-grid;place-items:center;width:25px;height:25px;border-radius:50%;background:var(--lime);color:var(--green-dark);font-weight:900;margin-right:7px}
    .fixed-bar{position:fixed;z-index:40;bottom:0;left:0;right:0;padding:11px 20px;background:rgba(7,59,50,.95);backdrop-filter:blur(12px);color:#fff}.fixed-inner{width:min(var(--max),100%);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px}.fixed-inner p{margin:0;font-size:13px;color:#d5e4da}.fixed-inner b{color:var(--lime)}
    :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    @media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding:9px 7px;font-size:12px}.nav-cta{padding:11px 13px}.hero-inner{gap:28px}.steps{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 30px))}.nav-wrap{height:68px}.nav-links{display:none;position:absolute;top:68px;left:15px;right:15px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px}.nav-cta{display:none}.menu-btn{display:block}.hero{padding:55px 0 70px}.hero-inner,.split,.info-grid,.dark-grid{grid-template-columns:1fr}.hero-visual{transform:none;order:-1}.hero-visual img{height:300px}.floating-card{left:14px;bottom:15px}.trust-grid{grid-template-columns:1fr 1fr}.trust-item:nth-child(2){border-right:0}.trust-item:nth-child(3),.trust-item:nth-child(4){border-top:1px solid var(--line)}.section{padding:70px 0}.section-head{display:block}.section-head p{margin-top:15px}.scene-grid,.faq-list{grid-template-columns:1fr}.cta-box{display:block;padding:30px}.cta-box .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){.hero h1{font-size:42px}.hero-lead{font-size:15px}.hero-actions .btn{width:100%}.hero-note{gap:10px}.feature-image,.feature-image img{min-height:300px}.schedule-row{grid-template-columns:68px 1fr}.schedule-row .state{grid-column:2}.steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.fixed-inner p{font-size:11px}.fixed-inner .btn{padding:10px 13px;font-size:12px}}