/* roulang page: index */
:root {
      --ink:#17231f; --moss:#315c49; --leaf:#84a96b; --sun:#e4a84d;
      --paper:#f7f5ef; --white:#fffdf8; --muted:#69756e; --line:#dfe5dc;
      --radius:18px; --shadow:0 18px 50px rgba(31,55,43,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC",sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,245,239,.91);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,229,220,.8)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:800;white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--moss);color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:0 7px 16px rgba(49,92,73,.25)}
    .brand-name{font-size:17px;letter-spacing:.02em}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{padding:9px 13px;border-radius:10px;color:#55645b;font-size:14px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{background:#e6eee1;color:var(--moss)}
    .nav-cta{background:var(--moss)!important;color:white!important;padding:10px 17px!important}
    .nav-cta:hover{background:#234938!important;transform:translateY(-1px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:var(--white);border-radius:10px;padding:8px 11px;color:var(--moss)}
    .hero{position:relative;min-height:650px;display:flex;align-items:flex-end;overflow:hidden;color:#fff;background:#243c31}
    .hero-bg{position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(17,37,29,.92) 0%,rgba(17,37,29,.65) 42%,rgba(17,37,29,.16) 100%),url("https://images.unsplash.com/photo-1500937386664-56d1dfef3854?auto=format&fit=crop&w=1800&q=90");background-size:cover;background-position:center}
    .hero-content{position:relative;z-index:1;padding:105px 0 84px;max-width:700px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#f4c976;font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:18px}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--sun)}
    h1{margin:0;font-size:clamp(38px,5vw,68px);line-height:1.18;letter-spacing:0;font-weight:800}
    h1 em{font-style:normal;color:#f2c36b}
    .hero-lead{font-size:18px;color:rgba(255,255,255,.88);margin:24px 0 30px;max-width:630px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:11px;padding:12px 20px;font-weight:700;transition:.2s;cursor:pointer}
    .btn-primary{background:var(--sun);color:#342615}
    .btn-primary:hover{background:#f0bd5d;transform:translateY(-2px);box-shadow:0 10px 20px rgba(228,168,77,.25)}
    .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08)}
    .btn-ghost:hover{background:#fff;color:var(--moss)}
    .hero-strip{position:relative;z-index:2;background:rgba(14,30,23,.68);border-top:1px solid rgba(255,255,255,.18)}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);padding:20px 0}
    .stat{padding:0 24px;border-right:1px solid rgba(255,255,255,.17)}
    .stat:first-child{padding-left:0}.stat:last-child{border:0}
    .stat strong{display:block;color:#fff;font-size:26px;line-height:1.3}
    .stat span{color:rgba(255,255,255,.68);font-size:13px}
    section{padding:88px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
    .section-kicker{color:var(--moss);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:7px}
    h2{font-size:clamp(27px,3vw,40px);line-height:1.3;margin:0;font-weight:800}
    .section-desc{max-width:560px;color:var(--muted);margin:10px 0 0}
    .text-link{color:var(--moss);font-weight:700;font-size:14px;white-space:nowrap}
    .text-link:hover{color:var(--sun)}
    .story{background:var(--white)}
    .story-grid{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}
    .story-image{height:430px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .story-image img{height:100%}
    .story-copy p{color:var(--muted);margin:18px 0}
    .quote{border-left:3px solid var(--sun);padding:4px 0 4px 18px;color:var(--moss);font-size:19px;font-weight:700}
    .matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .matrix-item{min-height:180px;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);transition:.25s}
    .matrix-item:hover{transform:translateY(-5px);border-color:#a8c39b;box-shadow:var(--shadow)}
    .matrix-icon{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:#e5efe0;color:var(--moss);font-weight:800;margin-bottom:18px}
    .matrix-item h3{font-size:18px;margin:0 0 8px}
    .matrix-item p{font-size:13px;color:var(--muted);margin:0}
    .featured{background:#eef2e9}
    .product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .product-card{overflow:hidden;border-radius:var(--radius);background:var(--white);border:1px solid #e1e7de;transition:.25s}
    .product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .product-image{height:205px;position:relative;overflow:hidden}
    .product-image img{height:100%;transition:.4s}
    .product-card:hover .product-image img{transform:scale(1.05)}
    .badge{position:absolute;left:13px;top:13px;background:var(--sun);color:#3c2c18;border-radius:7px;padding:3px 8px;font-size:11px;font-weight:800}
    .product-body{padding:17px}
    .product-body h3{margin:0 0 6px;font-size:17px}
    .product-body p{color:var(--muted);font-size:13px;line-height:1.65;margin:0 0 12px}
    .product-meta{display:flex;justify-content:space-between;align-items:center;color:var(--moss);font-size:13px;font-weight:700}
    .score{color:#b77825}
    .benefits{background:var(--moss);color:#fff}
    .benefits .section-kicker{color:#f5c56e}.benefits .section-desc{color:rgba(255,255,255,.7)}
    .benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .benefit{padding:28px;border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);background:rgba(255,255,255,.07)}
    .benefit-number{font-size:34px;font-weight:800;color:#f4c976}
    .benefit h3{margin:8px 0;font-size:19px}
    .benefit p{margin:0;color:rgba(255,255,255,.72);font-size:14px}
    .ranking-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .ranking-list{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:8px 22px}
    .rank-item{display:grid;grid-template-columns:38px 1fr 80px 65px;align-items:center;gap:12px;padding:15px 0;border-bottom:1px solid #edf0eb}
    .rank-item:last-child{border-bottom:0}
    .rank-no{font-size:20px;font-weight:800;color:#aebbb0}
    .rank-item:nth-child(-n+3) .rank-no{color:var(--sun)}
    .rank-name{font-weight:700}.rank-type{display:block;color:var(--muted);font-size:12px;font-weight:400}
    .rank-hot{font-size:12px;color:var(--muted)}.rank-score{color:#b77825;font-weight:700;font-size:13px}
    .trend-panel{border-radius:var(--radius);padding:31px;background:#dfeadc;display:flex;flex-direction:column;justify-content:space-between}
    .trend-panel h3{font-size:24px;margin:0 0 10px}.trend-panel p{color:#52665a;margin:0}
    .trend-line{height:100px;margin:25px 0 8px;display:flex;align-items:end;gap:9px}
    .bar{flex:1;border-radius:5px 5px 0 0;background:var(--moss);opacity:.78}.bar:nth-child(1){height:35%}.bar:nth-child(2){height:48%}.bar:nth-child(3){height:42%}.bar:nth-child(4){height:67%}.bar:nth-child(5){height:59%}.bar:nth-child(6){height:82%}.bar:nth-child(7){height:100%;background:var(--sun)}
    .news{background:var(--white)}
    .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .news-card{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:14px;border:1px solid var(--line);border-radius:14px;transition:.2s}
    .news-card:hover{border-color:#aac39d;background:#fbfcf7}
    .news-card img{height:100px;border-radius:10px}.news-card h3{font-size:16px;line-height:1.45;margin:3px 0 8px}.date{font-size:12px;color:#89948d}
    .assurance{padding:30px 0;background:#e7eee1;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .assurance-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .assurance-item{display:flex;align-items:center;gap:12px;font-weight:700;color:var(--moss)}
    .check{width:32px;height:32px;border-radius:50%;background:var(--moss);color:#fff;display:grid;place-items:center;font-size:14px}
    .voices{background:#f3eee4}
    .voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .voice{padding:25px;background:var(--white);border-radius:var(--radius);border:1px solid #e5ddd0}
    .stars{color:#d79639;letter-spacing:2px}.voice p{font-size:15px;color:#526057;margin:13px 0}.voice strong{font-size:13px;color:var(--moss)}
    .faq{background:var(--white)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    details{border:1px solid var(--line);border-radius:13px;padding:17px 20px;background:#fcfcf8}
    details[open]{border-color:#abc49f}.faq-grid summary{cursor:pointer;font-weight:700;color:var(--ink)}details p{color:var(--muted);font-size:14px;margin:13px 0 0}
    .entry{padding:82px 0;background:var(--ink);color:#fff;text-align:center}
    .entry .section-kicker{color:#f3c36e}.entry h2{max-width:700px;margin:auto}.entry p{max-width:620px;margin:15px auto 26px;color:rgba(255,255,255,.68)}
    footer{background:#101c17;color:#dbe5dc;padding:55px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px}
    footer h3{font-size:15px;margin:0 0 15px;color:#fff}footer p,footer a{font-size:13px;color:#91a298}footer a{display:block;margin:8px 0}footer a:hover{color:#f2c36b}
    .footer-brand p{max-width:290px}.copyright{padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#718178;display:flex;justify-content:space-between;gap:15px}
    :focus-visible{outline:3px solid rgba(228,168,77,.7);outline-offset:3px}
    @media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding:8px 9px}.product-grid{grid-template-columns:repeat(3,1fr)}.matrix{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 30px,620px)}.nav-wrap{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:15px;right:15px;top:76px;padding:12px;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px}.hero{min-height:620px}.hero-content{padding:75px 0 58px}.hero-lead{font-size:16px}.stats{grid-template-columns:repeat(2,1fr);gap:18px}.stat{padding:0 12px!important;border:0}.story-grid,.ranking-layout{grid-template-columns:1fr;gap:30px}.story-image{height:300px}.product-grid{grid-template-columns:repeat(2,1fr)}.news-grid{grid-template-columns:1fr}.benefit-grid,.voice-grid{grid-template-columns:1fr}.assurance-row{grid-template-columns:repeat(2,1fr);gap:20px}.footer-grid{grid-template-columns:1fr 1fr}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:14px}}
    @media(max-width:520px){section{padding:62px 0}.brand-name{font-size:14px}.brand-mark{width:34px;height:34px}.hero{min-height:640px}.hero-content{padding-top:60px}.hero-actions .btn{width:100%}.stats{padding:16px 0}.stat strong{font-size:21px}.matrix,.product-grid,.faq-grid{grid-template-columns:1fr}.product-image{height:220px}.news-card{grid-template-columns:100px 1fr}.news-card img{height:92px}.assurance-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}}

/* roulang page: category1 */
:root {
      --ink:#17231f; --moss:#315c49; --leaf:#84a96b; --sun:#e4a84d;
      --paper:#f7f5ef; --white:#fffdf8; --muted:#69756e; --line:#dfe5dc;
      --radius:18px; --shadow:0 18px 50px rgba(31,55,43,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC",sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,245,239,.93);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,229,220,.8)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:800;white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--moss);color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:0 7px 16px rgba(49,92,73,.25)}
    .brand-name{font-size:17px;letter-spacing:.02em}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{padding:9px 13px;border-radius:10px;color:#55645b;font-size:14px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{background:#e6eee1;color:var(--moss)}
    .nav-links .nav-cta{background:var(--moss);color:#fff;padding:10px 17px}
    .nav-links .nav-cta:hover{background:#234938;color:#fff;transform:translateY(-1px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:var(--white);border-radius:10px;padding:8px 11px;color:var(--moss);cursor:pointer}
    .hero{position:relative;min-height:530px;display:flex;align-items:center;overflow:hidden;color:#fff;background:#243c31}
    .hero-bg{position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(17,37,29,.92) 0%,rgba(17,37,29,.66) 46%,rgba(17,37,29,.18) 100%),url("https://images.unsplash.com/photo-1500937386664-56d1dfef3854?auto=format&fit=crop&w=1800&q=90");background-size:cover;background-position:center}
    .hero-content{position:relative;z-index:1;padding:90px 0 80px;max-width:700px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#f4c976;font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:16px}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--sun)}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.15;letter-spacing:0;margin:0;font-weight:800}
    h1 em{font-style:normal;color:#f4c976}
    .hero-lead{font-size:18px;color:rgba(255,255,255,.88);margin:23px 0 28px;max-width:630px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:11px;padding:12px 20px;font-weight:700;transition:.2s;cursor:pointer}
    .btn:focus,.nav-links a:focus,.menu-toggle:focus{outline:3px solid rgba(228,168,77,.45);outline-offset:3px}
    .btn-primary{background:var(--sun);color:#342615}
    .btn-primary:hover{background:#f0bd5d;transform:translateY(-2px);box-shadow:0 10px 20px rgba(228,168,77,.25)}
    .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08)}
    .btn-ghost:hover{background:#fff;color:var(--moss)}
    section{padding:82px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
    .section-kicker{color:var(--moss);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:7px}
    .section-head h2{font-size:32px;line-height:1.25;margin:0}
    .section-desc{max-width:580px;color:var(--muted);margin:10px 0 0}
    .text-link{color:var(--moss);font-weight:700;font-size:14px;white-space:nowrap}
    .text-link:hover{color:var(--sun)}
    .stats-band{background:#eef2e9;border-bottom:1px solid var(--line)}
    .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .stat{padding:18px 20px;border-left:3px solid var(--sun)}
    .stat strong{display:block;font-size:29px;line-height:1.2;color:var(--moss)}
    .stat span{font-size:13px;color:var(--muted)}
    .matrix{background:var(--white)}
    .matrix-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:stretch}
    .matrix-copy{padding:18px 0}
    .matrix-copy h2{font-size:34px;line-height:1.35;margin:0 0 17px}
    .matrix-copy p{color:var(--muted);max-width:550px}
    .matrix-note{margin-top:28px;padding:18px 20px;border-left:3px solid var(--sun);background:#f7f3e8;color:#536057;font-size:14px}
    .category-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .category-item{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fbfcf7;transition:.25s}
    .category-item:hover{transform:translateY(-4px);border-color:#a8c39b;box-shadow:var(--shadow)}
    .category-index{color:var(--sun);font-size:13px;font-weight:800}
    .category-item h3{font-size:18px;margin:7px 0 6px}
    .category-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.7}
    .featured{background:#eef2e9}
    .product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .product-card{overflow:hidden;border-radius:var(--radius);background:var(--white);border:1px solid #e1e7de;transition:.25s}
    .product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .product-image{height:190px;position:relative;overflow:hidden}
    .product-image img{height:100%;transition:.4s}
    .product-card:hover .product-image img{transform:scale(1.05)}
    .badge{position:absolute;left:13px;top:13px;background:var(--sun);color:#3c2c18;border-radius:7px;padding:3px 8px;font-size:11px;font-weight:800}
    .product-body{padding:17px}
    .product-body h3{margin:0 0 6px;font-size:17px}
    .product-body p{color:var(--muted);font-size:13px;line-height:1.65;margin:0 0 12px}
    .product-meta{display:flex;justify-content:space-between;align-items:center;color:var(--moss);font-size:13px;font-weight:700}
    .compare{background:#fbfcf7}
    .compare-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:38px;align-items:center}
    .compare-copy h2{font-size:32px;line-height:1.35;margin:0 0 15px}
    .compare-copy p{color:var(--muted);margin:0}
    .compare-table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white)}
    .compare-row{display:grid;grid-template-columns:1fr 1fr 1fr;padding:16px 20px;border-bottom:1px solid #edf0eb;gap:15px;font-size:14px}
    .compare-row:last-child{border-bottom:0}
    .compare-row:first-child{background:#315c49;color:#fff;font-weight:700}
    .compare-row span:not(:first-child){text-align:right}
    .milestones{background:var(--moss);color:#fff}
    .milestones .section-kicker{color:#f4c976}
    .milestones .section-desc{color:rgba(255,255,255,.72)}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:34px}
    .timeline-item{position:relative;padding:23px 24px 12px;border-top:1px solid rgba(255,255,255,.32)}
    .timeline-item:before{content:"";position:absolute;top:-6px;left:24px;width:11px;height:11px;border-radius:50%;background:var(--sun);box-shadow:0 0 0 5px rgba(228,168,77,.16)}
    .timeline-item strong{display:block;font-size:17px;margin-bottom:8px}
    .timeline-item p{color:rgba(255,255,255,.7);font-size:13px;margin:0}
    .news{background:var(--white)}
    .news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .news-card{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:14px;border:1px solid var(--line);border-radius:14px;transition:.2s}
    .news-card:hover{border-color:#aac39d;background:#fbfcf7}
    .news-card img{height:105px;border-radius:10px}
    .news-card h3{font-size:16px;line-height:1.45;margin:3px 0 8px}
    .news-card time{color:var(--muted);font-size:12px}
    .assurance{background:#f2f4ee}
    .assurance-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .assurance-item{padding:22px 18px;background:var(--white);border:1px solid var(--line);border-radius:14px}
    .assurance-item strong{display:block;color:var(--moss);font-size:16px;margin-bottom:6px}
    .assurance-item span{font-size:13px;color:var(--muted)}
    .faq{background:var(--white)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-grid details{border:1px solid var(--line);border-radius:13px;padding:18px 20px;background:#fbfcf7}
    .faq-grid summary{cursor:pointer;font-weight:700;color:var(--ink)}
    .faq-grid details p{font-size:14px;color:var(--muted);margin:12px 0 0}
    .entry{background:#e8eee2}
    .entry-box{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:32px 36px;border-radius:var(--radius);background:var(--moss);color:#fff}
    .entry-box h2{font-size:27px;margin:0 0 7px}
    .entry-box p{margin:0;color:rgba(255,255,255,.75);font-size:14px}
    footer{background:#101c17;color:#dbe5dc;padding:55px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px}
    footer h3{font-size:15px;margin:0 0 15px;color:#fff}
    footer p,footer a{font-size:13px;color:#91a298}
    footer a{display:block;margin:8px 0}
    footer a:hover{color:#f2c36b}
    .footer-brand p{max-width:290px}
    .copyright{padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#718178;display:flex;justify-content:space-between;gap:15px}
    @media (max-width:1024px){
      .container{width:min(100% - 34px,900px)}
      .matrix-layout,.compare-layout{grid-template-columns:1fr}
      .product-grid{grid-template-columns:repeat(2,1fr)}
      .timeline{grid-template-columns:repeat(2,1fr);row-gap:25px}
      .assurance-row{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 30px,620px)}
      .nav-wrap{height:68px}
      .brand-name{font-size:15px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;top:68px;left:15px;right:15px;padding:10px;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{text-align:center}
      .nav-links .nav-cta{margin-top:4px}
      .hero{min-height:560px}
      .hero-content{padding:82px 0 70px}
      .hero-lead{font-size:16px}
      section{padding:65px 0}
      .section-head{display:block}
      .section-head .text-link{display:inline-block;margin-top:15px}
      .stats-grid{grid-template-columns:repeat(2,1fr)}
      .category-list,.news-grid,.faq-grid{grid-template-columns:1fr}
      .entry-box{display:block;padding:28px 24px}
      .entry-box .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    }
    @media (max-width:520px){
      .brand-mark{width:34px;height:34px;font-size:16px}
      .brand-name{font-size:13px}
      h1{font-size:39px}
      .product-grid,.assurance-row{grid-template-columns:1fr}
      .stats-grid{gap:8px}
      .stat{padding:14px 12px}
      .stat strong{font-size:24px}
      .compare-row{padding:13px 12px;font-size:12px}
      .timeline{grid-template-columns:1fr}
      .timeline-item{padding-left:20px}
      .timeline-item:before{left:0}
      .news-card{grid-template-columns:105px 1fr;gap:11px}
      .news-card img{height:90px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:6px}
    }