/* roulang page: index */
:root{
      --mint:#b8e75f;
      --mint-deep:#72ad38;
      --coral:#e98963;
      --amber:#f3bd61;
      --ink:#17211d;
      --muted:#69736d;
      --paper:#fbfaf5;
      --mist:#eef1e9;
      --line:#dfe5db;
      --deep:#17251f;
      --white:#fff;
      --max:1200px;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 45px rgba(30,47,36,.09);
      --shadow-soft:0 8px 24px rgba(30,47,36,.07);
      --speed:.28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;padding-bottom:76px}
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(233,137,99,.5);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .topline{background:var(--deep);color:#dce8d7;font-size:13px}
    .topline-inner{min-height:39px;display:flex;justify-content:space-between;align-items:center;gap:20px}
    .topline strong{color:var(--mint);font-weight:700}
    .header{position:sticky;top:0;z-index:1000;background:rgba(251,250,245,.94);backdrop-filter:blur(15px);border-bottom:1px solid var(--line)}
    .navrow{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:12px;min-width:260px}
    .brand-mark{width:42px;height:42px;border-radius:13px;background:var(--mint);display:grid;place-items:center;color:var(--deep);font-weight:800;letter-spacing:-1px}
    .brand-name{font-weight:800;font-size:17px;line-height:1.2}
    .brand-name small{display:block;font-size:11px;color:var(--muted);font-weight:600;margin-top:3px}
    .menu{display:flex;align-items:center;gap:5px;list-style:none;padding:0;margin:0}
    .menu a{display:block;padding:10px 13px;border-radius:10px;font-size:14px;color:#47534c;transition:var(--speed)}
    .menu a:hover,.menu a.active{background:#e8f1dc;color:var(--deep)}
    .nav-cta,.btn-primary-custom{background:var(--deep);color:var(--white);border:0;border-radius:12px;padding:13px 20px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;transition:var(--speed)}
    .nav-cta:hover,.btn-primary-custom:hover{background:var(--mint-deep);color:var(--white);transform:translateY(-2px)}
    .btn-outline-custom{border:1px solid #b9c7b5;color:var(--deep);border-radius:12px;padding:12px 19px;min-height:46px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;transition:var(--speed)}
    .btn-outline-custom:hover{border-color:var(--deep);background:var(--deep);color:#fff}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-size:22px}
    .hero{padding:36px 0 74px;background:linear-gradient(180deg,#f3f6ed 0%,var(--paper) 100%)}
    .hero-stage{min-height:540px;border-radius:30px;overflow:hidden;position:relative;background:#23372d url('/assets/images/f75af227cb33be71.webp') center/cover no-repeat;color:#fff;display:flex;align-items:flex-end}
    .hero-stage:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,31,24,.9) 0%,rgba(16,31,24,.6) 44%,rgba(16,31,24,.08) 100%)}
    .hero-content{position:relative;z-index:1;padding:68px clamp(26px,6vw,82px);max-width:760px}
    .eyebrow,.section-kicker{color:var(--mint-deep);font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase;margin-bottom:15px}
    .hero .eyebrow{color:var(--mint)}
    h1,h2,h3{margin:0;font-weight:750;letter-spacing:-.04em;line-height:1.2}
    h1{font-size:clamp(34px,5vw,64px);max-width:700px}
    h2{font-size:clamp(28px,3.4vw,43px)}
    h3{font-size:20px}
    .hero-copy{font-size:18px;color:#e5eee3;max-width:680px;margin:24px 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-primary-custom{background:var(--mint);color:var(--deep)}
    .hero .btn-primary-custom:hover{background:#d1f58c;color:var(--deep)}
    .hero .btn-outline-custom{border-color:rgba(255,255,255,.45);color:#fff}
    .hero .btn-outline-custom:hover{background:#fff;color:var(--deep)}
    .signal-bar{position:absolute;right:30px;bottom:30px;z-index:2;background:rgba(20,37,29,.83);border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:16px 19px;display:flex;gap:20px}
    .signal-item{font-size:12px;color:#bfd0c0}.signal-item b{display:block;font-size:18px;color:#fff}.dot{display:inline-block;width:7px;height:7px;background:var(--mint);border-radius:50%;margin-right:5px}
    section{padding:92px 0;scroll-margin-top:105px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:35px}
    .section-head p{max-width:560px;color:var(--muted);margin:0}
    .soft{background:var(--mist)}
    .three-points{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:18px}
    .point{padding:28px;border:1px solid var(--line);background:#fff;border-radius:var(--radius);min-height:205px;position:relative;overflow:hidden;transition:var(--speed)}
    .point:hover,.card:hover,.product-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:#b7ce99}
    .point:first-child{background:var(--deep);color:#fff}.point:first-child p{color:#c6d6c5}
    .number{font-size:13px;color:var(--coral);font-weight:800;margin-bottom:28px}
    .point p,.card p,.product-row p{color:var(--muted);margin:12px 0 0;font-size:14px}
    .point:first-child .number{color:var(--mint)}
    .intro-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:65px;align-items:center}
    .intro-image{border-radius:28px;overflow:hidden;position:relative;background:#dfe8d7}
    .intro-image img{width:100%;aspect-ratio:1/1.05;object-fit:cover}
    .image-note{position:absolute;bottom:18px;left:18px;background:#fff;border-radius:12px;padding:12px 15px;font-size:13px;box-shadow:var(--shadow-soft)}
    .check-list{list-style:none;padding:0;margin:26px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:13px}
    .check-list li:before{content:"✓";color:var(--mint-deep);font-weight:800;margin-right:8px}
    .data-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:30px}
    .flow-step{padding:22px 15px;border-top:3px solid var(--mint-deep);position:relative}
    .flow-step:not(:last-child):after{content:"→";position:absolute;right:-8px;top:31px;color:var(--coral);font-size:20px}
    .flow-step span{font-size:12px;color:var(--coral);font-weight:800}.flow-step h3{font-size:17px;margin-top:9px}.flow-step p{font-size:13px;color:var(--muted);margin:8px 0 0}
    .adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .adv-card{padding:26px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);min-height:190px}
    .adv-card:nth-child(2),.adv-card:nth-child(5){transform:translateY(22px)}
    .adv-card .tag{display:inline-block;color:var(--mint-deep);font-size:12px;font-weight:800;margin-bottom:27px}
    .products{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
    .product{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--speed)}
    .product img{width:100%;height:210px;object-fit:cover}
    .product-body{padding:23px}
    .badge-custom{display:inline-flex;background:#edf4e4;color:var(--mint-deep);padding:5px 10px;border-radius:30px;font-size:12px;font-weight:700;margin-bottom:14px}
    .product ul{list-style:none;padding:0;margin:16px 0;color:var(--muted);font-size:13px}.product li{margin:5px 0}.product li:before{content:"•";color:var(--coral);margin-right:8px}
    .dark-panel{background:var(--deep);color:#fff;border-radius:30px;padding:70px clamp(25px,6vw,75px);position:relative;overflow:hidden}
    .dark-panel:before{content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(184,231,95,.3);border-radius:50%;right:8%;top:-100px}
    .dark-panel p{color:#b9cabc;max-width:660px}
    .dark-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:42px;position:relative}
    .dark-metrics div{border-left:2px solid var(--mint);padding-left:17px}.dark-metrics strong{display:block;font-size:29px;color:var(--mint)}.dark-metrics span{font-size:13px;color:#b9cabc}
    .story-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .story-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;min-height:270px}
    .story-side{display:grid;gap:20px}.story-mini{background:#f4eadf;border-radius:var(--radius);padding:25px}.story-mini:last-child{background:#e4efda}
    .stats-strip{display:flex;justify-content:space-between;gap:25px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:30px 0}
    .stat strong{display:block;font-size:32px;color:var(--mint-deep)}.stat span{font-size:13px;color:var(--muted)}
    .quote-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
    .quote{background:var(--deep);color:#fff;padding:37px;border-radius:var(--radius);font-size:21px;line-height:1.6}.quote small{display:block;color:var(--mint);font-size:13px;margin-top:25px}
    .quote-list{display:grid;gap:15px}.quote-list div{background:#fff;border:1px solid var(--line);padding:20px;border-radius:16px;color:var(--muted);font-size:14px}
    .compare{overflow:auto}.compare table{width:100%;min-width:650px;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.compare th,.compare td{text-align:left;padding:17px 20px;border-bottom:1px solid var(--line);font-size:14px}.compare th{background:#edf4e4;color:var(--deep)}.compare tr:last-child td{border-bottom:0}.compare td:not(:first-child){color:var(--muted)}
    .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.news-card img{height:155px;width:100%;object-fit:cover}.news-body{padding:21px}.news-body time{font-size:12px;color:var(--coral)}.news-body h3{font-size:18px;margin-top:10px}.news-body p{font-size:14px;color:var(--muted)}
    .faq-wrap{max-width:900px;margin:auto}.accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;margin-bottom:12px;overflow:hidden;background:#fff}.accordion-button{font-weight:700;background:#fff;color:var(--ink);padding:20px}.accordion-button:not(.collapsed){background:#edf4e4;color:var(--deep);box-shadow:none}.accordion-body{color:var(--muted);padding:0 20px 21px;font-size:14px}
    .assurance{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:20px;padding:8px}.assurance-item{padding:22px;border-right:1px solid var(--line)}.assurance-item:last-child{border:0}.assurance-item b{display:block;margin-bottom:6px}.assurance-item span{color:var(--muted);font-size:13px}
    .contact-section{background:var(--deep);color:#fff}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:start}.contact-section p{color:#c1d0c1}.contact-form{background:#fff;padding:28px;border-radius:var(--radius);color:var(--ink)}.form-label{font-size:13px;font-weight:700}.form-control,.form-select{border:1px solid var(--line);border-radius:10px;padding:12px 13px;min-height:46px}.form-control:focus,.form-select:focus{border-color:var(--mint-deep);box-shadow:0 0 0 3px rgba(114,173,56,.15)}
    footer{background:#111c17;color:#bccabd;padding:60px 0 105px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand{color:#fff;font-size:20px;font-weight:800}.footer h3{font-size:15px;color:#fff;margin-bottom:15px}.footer a{display:block;color:#aebcaf;font-size:14px;margin:7px 0}.footer a:hover{color:var(--mint)}.footer-note{border-top:1px solid #314038;margin-top:38px;padding-top:20px;font-size:12px;color:#829586}
    .fixed-cta{position:fixed;bottom:0;left:0;right:0;z-index:1001;background:rgba(23,37,31,.96);color:#fff;padding:11px 20px}.fixed-inner{max-width:var(--max);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px}.fixed-cta strong{font-size:15px}.fixed-cta span{color:#b9cabc;font-size:13px;margin-left:12px}.fixed-cta .btn-primary-custom{background:var(--mint);color:var(--deep);min-height:42px;padding:9px 18px}
    @media(max-width:992px){.brand{min-width:auto}.menu{display:none}.menu-toggle{display:block}.navrow{min-height:68px}.intro-grid,.story-grid,.contact-grid{grid-template-columns:1fr}.three-points,.products{grid-template-columns:1fr 1fr}.adv-grid{grid-template-columns:1fr 1fr}.adv-card:nth-child(2),.adv-card:nth-child(5){transform:none}.footer-grid{grid-template-columns:1fr 1fr}.signal-bar{position:relative;right:auto;bottom:auto;margin:0 26px 26px}.hero-stage{display:block;padding-top:170px}.hero-content{padding-top:35px}.data-flow{grid-template-columns:repeat(3,1fr);gap:10px}.flow-step:not(:last-child):after{display:none}}
    @media(max-width:600px){body{font-size:15px;padding-bottom:128px}.container{width:min(100% - 28px,var(--max))}.topline-inner{justify-content:center;text-align:center;min-height:34px}.topline-inner span{display:none}.brand-name{font-size:15px}.navrow{gap:10px}.hero{padding:18px 0 45px}.hero-stage{min-height:600px;border-radius:22px}.hero-content{padding:38px 24px 25px}h1{font-size:35px}.hero-copy{font-size:16px}.signal-bar{display:grid;grid-template-columns:1fr 1fr;margin:0 20px 20px}.section-head{display:block;margin-bottom:24px}.section-head p{margin-top:15px}.three-points,.products,.adv-grid,.news-grid{grid-template-columns:1fr}.point{min-height:auto}.intro-grid{gap:30px}.check-list{grid-template-columns:1fr}.data-flow{display:block}.flow-step{border-top:0;border-left:3px solid var(--mint-deep);padding:13px 18px}.dark-panel{padding:42px 25px;border-radius:22px}.dark-metrics{grid-template-columns:1fr 1fr}.stats-strip{display:grid;grid-template-columns:1fr 1fr}.assurance{display:block}.assurance-item{border-right:0;border-bottom:1px solid var(--line)}.assurance-item:last-child{border-bottom:0}.contact-grid{gap:30px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.fixed-inner{display:block;text-align:center}.fixed-cta span{display:block;margin:2px 0 7px}.fixed-cta .btn-primary-custom{width:100%}}

/* roulang page: category2 */
:root{
      --mint:#b8e75f;
      --mint-deep:#72ad38;
      --coral:#e98963;
      --amber:#f3bd61;
      --ink:#17211d;
      --muted:#69736d;
      --paper:#fbfaf5;
      --mist:#eef1e9;
      --line:#dfe5db;
      --deep:#17251f;
      --white:#fff;
      --max:1200px;
      --mobile-pad:20px;
      --section-space:88px;
      --radius:22px;
      --radius-sm:14px;
      --input-radius:12px;
      --shadow:0 18px 45px rgba(30,47,36,.09);
      --shadow-soft:0 8px 24px rgba(30,47,36,.07);
      --speed:.28s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;padding-bottom:72px}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(233,137,99,.55);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .header{position:sticky;top:0;z-index:1000;background:rgba(251,250,245,.96);backdrop-filter:blur(15px);border-bottom:1px solid var(--line)}
    .navrow{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:12px;min-width:260px}
    .brand-mark{width:42px;height:42px;border-radius:13px;background:var(--mint);display:grid;place-items:center;color:var(--deep);font-weight:800;letter-spacing:-1px}
    .brand-name{font-weight:800;font-size:17px;line-height:1.2}
    .brand-name small{display:block;font-size:11px;color:var(--muted);font-weight:600;margin-top:3px}
    .nav-contact{display:flex;align-items:center;gap:15px}
    .nav-note{font-size:13px;color:var(--muted)}
    .menu{display:flex;align-items:center;gap:5px;list-style:none;padding:0;margin:0}
    .menu a{display:block;padding:10px 13px;border-radius:10px;font-size:14px;color:#47534c;transition:var(--speed)}
    .menu a:hover,.menu a.active{background:#e8f1dc;color:var(--deep)}
    .nav-cta,.btn-primary-custom{background:var(--deep);color:var(--white);border:0;border-radius:12px;padding:13px 20px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;transition:var(--speed)}
    .nav-cta:hover,.btn-primary-custom:hover{background:var(--mint-deep);color:var(--white);transform:translateY(-2px)}
    .btn-outline-custom{border:1px solid #b9c7b5;color:var(--deep);border-radius:12px;padding:12px 19px;min-height:46px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;transition:var(--speed)}
    .btn-outline-custom:hover{border-color:var(--deep);background:var(--deep);color:#fff}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-size:22px;color:var(--deep)}
    .page-intro{padding:72px 0 62px;background:linear-gradient(180deg,#f0f5e9 0%,var(--paper) 100%);scroll-margin-top:105px}
    .intro-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}
    .eyebrow,.section-kicker{color:var(--mint-deep);font-size:12px;font-weight:800;letter-spacing:2px;margin-bottom:14px}
    h1,h2,h3{line-height:1.25;letter-spacing:-.025em}
    h1{font-size:clamp(34px,5vw,60px);font-weight:750;margin:0 0 20px;max-width:700px}
    h2{font-size:clamp(28px,3.5vw,42px);font-weight:750;margin:0}
    h3{font-size:20px;font-weight:750;margin:0}
    .intro-copy{font-size:18px;color:var(--muted);max-width:650px;margin:0 0 28px}
    .intro-actions{display:flex;flex-wrap:wrap;gap:12px}
    .intro-visual{position:relative;border-radius:28px;overflow:hidden;min-height:330px;background:var(--deep);box-shadow:var(--shadow)}
    .intro-visual img{width:100%;height:100%;min-height:330px;object-fit:cover}
    .intro-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(18,38,29,.05),rgba(18,38,29,.72))}
    .visual-label{position:absolute;z-index:1;left:26px;bottom:23px;color:#fff}
    .visual-label strong{display:block;font-size:24px}
    .visual-label span{font-size:13px;color:#d9e5d7}
    section{padding:var(--section-space) 0;scroll-margin-top:105px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:35px}
    .section-head p{max-width:570px;color:var(--muted);margin:0}
    .soft-section{background:var(--mist)}
    .catalog-list{display:grid;gap:18px}
    .catalog-item{display:grid;grid-template-columns:190px 1fr auto;gap:26px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;transition:var(--speed)}
    .catalog-item:hover{transform:translateY(-4px);border-color:#b7ce99;box-shadow:var(--shadow-soft)}
    .catalog-item img{width:190px;height:150px;object-fit:cover;border-radius:16px}
    .catalog-meta{display:flex;flex-wrap:wrap;gap:8px;margin:11px 0}
    .badge-custom{display:inline-flex;background:#edf4e4;color:var(--mint-deep);padding:5px 10px;border-radius:30px;font-size:12px;font-weight:700}
    .catalog-item p{color:var(--muted);font-size:14px;margin:5px 0 0}
    .item-data{display:flex;flex-wrap:wrap;gap:14px;color:#59645d;font-size:13px}
    .item-data span{padding-right:14px;border-right:1px solid var(--line)}
    .item-data span:last-child{border-right:0}
    .scene-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:20px}
    .scene-panel{background:var(--deep);color:#fff;border-radius:var(--radius);padding:34px;min-height:330px;position:relative;overflow:hidden}
    .scene-panel:after{content:"采集节点";position:absolute;right:-18px;bottom:-35px;font-size:100px;font-weight:800;color:rgba(184,231,95,.08)}
    .scene-panel p{color:#cbd9ca;margin-top:17px}
    .scene-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:28px}
    .scene-tags span{border:1px solid rgba(184,231,95,.4);color:var(--mint);border-radius:30px;padding:6px 11px;font-size:12px}
    .scene-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .scene-cell{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;min-height:155px}
    .scene-cell b{display:block;color:var(--coral);font-size:13px;margin-bottom:10px}
    .scene-cell p{color:var(--muted);font-size:14px;margin:0}
    .ability-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .ability-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
    .ability-card h3{margin-bottom:20px}
    .spec-list{display:grid;gap:0;margin:0}
    .spec-row{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:15px 0;border-bottom:1px solid var(--line);font-size:14px}
    .spec-row:last-child{border-bottom:0}
    .spec-row dt{font-weight:750;color:var(--deep)}
    .spec-row dd{margin:0;color:var(--muted)}
    .flow-stack{display:grid;gap:13px}
    .flow-step{display:flex;align-items:center;gap:16px;padding:17px 18px;border-radius:16px;background:#f4f7ef;border-left:4px solid var(--mint)}
    .flow-step strong{font-size:14px}
    .flow-step span{font-size:13px;color:var(--muted)}
    .selection-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
    .filter-line{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
    .filter-line span{border:1px solid #c8d3c4;border-radius:30px;padding:8px 15px;font-size:13px;color:#556158}
    .filter-line span.selected{background:var(--deep);color:#fff;border-color:var(--deep)}
    .selection-table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border:1px solid var(--line);border-radius:14px;font-size:14px}
    .selection-table th,.selection-table td{text-align:left;padding:15px;border-bottom:1px solid var(--line)}
    .selection-table th{background:#eff4e9;color:var(--deep);font-weight:750}
    .selection-table td{color:var(--muted);background:#fff}
    .selection-table tr:last-child td{border-bottom:0}
    .faq-wrap{max-width:920px;margin:auto}
    .accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;margin-bottom:12px;overflow:hidden;background:#fff}
    .accordion-button{font-weight:700;background:#fff;color:var(--ink);padding:20px}
    .accordion-button:not(.collapsed){background:#edf4e4;color:var(--deep);box-shadow:none}
    .accordion-button:after{background-size:14px}
    .accordion-body{color:var(--muted);padding:0 20px 21px}
    .evidence-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .evidence-card{display:grid;grid-template-columns:145px 1fr;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:15px}
    .evidence-card img{width:145px;height:125px;object-fit:cover;border-radius:14px}
    .evidence-card time{color:var(--coral);font-size:12px;font-weight:700}
    .evidence-card h3{font-size:18px;margin:7px 0}
    .evidence-card p{font-size:14px;color:var(--muted);margin:0}
    .cta-section{padding:76px 0;background:var(--deep);color:#fff}
    .cta-layout{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:start}
    .cta-section p{color:#cbd9ca}
    .form-card{background:#fff;color:var(--ink);border-radius:var(--radius);padding:27px}
    .form-label{font-weight:700;font-size:13px;margin-bottom:6px}
    .form-control,.form-select{border:1px solid #cbd7c6;border-radius:var(--input-radius);min-height:46px;padding:10px 13px}
    .form-control:focus,.form-select:focus{border-color:var(--mint-deep);box-shadow:0 0 0 3px rgba(114,173,56,.14)}
    textarea.form-control{min-height:92px;resize:vertical}
    footer{background:#111d18;color:#dbe5d9;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.1fr;gap:30px}
    .footer-brand{font-size:22px;font-weight:800;color:var(--mint)}
    footer p{color:#9eafa0;font-size:14px}
    footer h3{font-size:15px;color:#fff;margin:0 0 14px}
    footer a{display:block;color:#aebcaf;font-size:14px;margin:8px 0;transition:var(--speed)}
    footer a:hover{color:var(--mint)}
    .footer-note{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:18px;color:#8f9e91;font-size:12px}
    .fixed-bar{position:fixed;left:0;right:0;bottom:0;z-index:999;background:rgba(23,37,31,.96);color:#fff;box-shadow:0 -8px 25px rgba(14,27,20,.16)}
    .fixed-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .fixed-inner p{margin:0;color:#d1ded0;font-size:14px}
    .fixed-inner strong{color:var(--mint)}
    .fixed-actions{display:flex;gap:10px}
    .fixed-actions a{min-height:42px;padding:9px 17px;border-radius:10px;font-weight:700;font-size:14px}
    .fixed-actions a:first-child{background:var(--mint);color:var(--deep)}
    .fixed-actions a:last-child{border:1px solid rgba(255,255,255,.35);color:#fff}
    @media (max-width:1100px){
      .menu{gap:0}
      .menu a{padding:9px 8px;font-size:13px}
      .nav-note{display:none}
      .catalog-item{grid-template-columns:160px 1fr auto}
      .catalog-item img{width:160px}
    }
    @media (max-width:820px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .navrow{min-height:68px}
      .brand{min-width:0}
      .nav-contact{display:none}
      .menu-toggle{display:block}
      .navrow{position:relative}
      .menu{display:none;position:absolute;left:0;right:0;top:68px;background:var(--paper);padding:12px;border:1px solid var(--line);border-radius:0 0 18px 18px;box-shadow:var(--shadow)}
      .menu.show{display:block}
      .menu li{margin:4px 0}
      .menu a{padding:12px 14px}
      .intro-layout,.scene-layout,.ability-grid,.cta-layout{grid-template-columns:1fr}
      .page-intro{padding:54px 0 48px}
      section{padding:68px 0}
      .catalog-item{grid-template-columns:125px 1fr}
      .catalog-item img{width:125px;height:130px}
      .catalog-item .btn-outline-custom{grid-column:2;justify-self:start}
      .evidence-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .fixed-inner{padding:8px 0}
      .fixed-inner p{font-size:12px}
    }
    @media (max-width:560px){
      body{font-size:15px}
      .container{width:calc(100% - 32px)}
      h1{font-size:36px}
      h2{font-size:30px}
      .intro-copy{font-size:16px}
      .intro-visual,.intro-visual img{min-height:250px}
      .section-head{display:block}
      .section-head p{margin-top:14px}
      .catalog-item{grid-template-columns:1fr}
      .catalog-item img{width:100%;height:190px}
      .catalog-item .btn-outline-custom{grid-column:auto}
      .scene-matrix{grid-template-columns:1fr}
      .spec-row{grid-template-columns:1fr;gap:4px}
      .selection-wrap{padding:18px;overflow-x:auto}
      .selection-table{min-width:620px}
      .evidence-card{grid-template-columns:105px 1fr;gap:13px}
      .evidence-card img{width:105px;height:110px}
      .footer-grid{grid-template-columns:1fr}
      .fixed-inner{justify-content:center}
      .fixed-inner p{display:none}
      .fixed-actions{width:100%}
      .fixed-actions a{flex:1;text-align:center}
    }

/* roulang page: category1 */
:root{
 --mint:#b8e75f;--mint-deep:#72ad38;--coral:#e98963;--amber:#f3bd61;
 --ink:#17211d;--muted:#69736d;--paper:#fbfaf5;--mist:#eef1e9;
 --line:#dfe5db;--deep:#17251f;--white:#fff;--max:1200px;
 --radius:22px;--radius-sm:14px;--shadow:0 18px 45px rgba(30,47,36,.09);
 --shadow-soft:0 8px 24px rgba(30,47,36,.07);--speed:.28s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;padding-bottom:72px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(233,137,99,.55);outline-offset:3px}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.header{position:sticky;top:0;z-index:1000;background:rgba(251,250,245,.96);backdrop-filter:blur(15px);border-bottom:1px solid var(--line)}
.topline{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:260px}
.brand-mark{width:42px;height:42px;border-radius:13px;background:var(--mint);display:grid;place-items:center;color:var(--deep);font-weight:900}
.brand-name{font-weight:800;font-size:17px;line-height:1.2}
.brand-name small{display:block;font-size:11px;color:var(--muted);font-weight:600;margin-top:3px}
.header-meta{display:flex;align-items:center;gap:16px;color:var(--muted);font-size:13px}
.navrow{border-top:1px solid #edf0e9}
nav ul.menu{display:flex;align-items:center;gap:5px;list-style:none;padding:8px 0;margin:0}
.menu a{display:block;padding:9px 13px;border-radius:10px;font-size:14px;color:#47534c;transition:var(--speed)}
.menu a:hover,.menu a.active{background:#e8f1dc;color:var(--deep)}
.nav-cta,.btn-primary-custom{background:var(--deep);color:#fff;border:0;border-radius:12px;padding:13px 20px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;transition:var(--speed)}
.nav-cta:hover,.btn-primary-custom:hover{background:var(--mint-deep);color:#fff;transform:translateY(-2px)}
.menu-toggle{display:none;border:1px solid var(--line);background:transparent;border-radius:10px;padding:8px 12px;font-size:22px}
.page-intro{padding:64px 0 48px;background:linear-gradient(180deg,#f0f5e9,var(--paper))}
.intro-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:42px;align-items:stretch}
.eyebrow,.section-kicker{color:var(--mint-deep);font-size:12px;font-weight:800;letter-spacing:2px;margin-bottom:13px}
h1,h2,h3{line-height:1.25;letter-spacing:-.03em}
h1{font-size:clamp(34px,5vw,64px);margin:0 0 22px;max-width:760px}
h2{font-size:clamp(27px,3.5vw,42px);margin:0}
h3{font-size:20px;margin:0 0 9px}
.intro-copy{font-size:18px;color:var(--muted);max-width:700px}
.intro-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn-outline-custom{border:1px solid #b9c7b5;color:var(--deep);border-radius:12px;padding:12px 19px;min-height:46px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;transition:var(--speed)}
.btn-outline-custom:hover{background:var(--deep);color:#fff;border-color:var(--deep)}
.catalog-cover{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow);transform:rotate(1deg)}
.catalog-cover img{width:100%;height:280px;object-fit:cover;border-radius:16px}
.cover-note{padding:18px 8px 5px;display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}
section{padding:86px 0;scroll-margin-top:130px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px}
.section-head p{max-width:570px;color:var(--muted);margin:0}
.catalog-list{display:grid;gap:18px}
.product-row{display:grid;grid-template-columns:240px 1fr auto;gap:26px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;transition:var(--speed)}
.product-row:hover{transform:translateY(-4px);border-color:#b7ce99;box-shadow:var(--shadow-soft)}
.product-row img{width:240px;height:170px;object-fit:cover;border-radius:16px}
.tag{display:inline-flex;background:#edf4e4;color:var(--mint-deep);padding:5px 11px;border-radius:30px;font-size:12px;font-weight:800;margin-bottom:12px}
.product-row p{color:var(--muted);margin:0 0 13px;font-size:14px}
.specs{display:flex;flex-wrap:wrap;gap:8px;color:#56635b;font-size:12px}
.specs span{border:1px solid var(--line);border-radius:8px;padding:5px 9px;background:#fafbf8}
.product-action{white-space:nowrap}
.matrix{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.scene-panel,.tech-panel{border-radius:var(--radius);padding:32px;background:var(--deep);color:#fff}
.scene-panel{background:linear-gradient(135deg,#21382c,#314b37)}
.scene-panel p,.tech-panel p{color:#c6d3c5}
.scene-line{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:27px}
.scene-line div{border-top:2px solid var(--mint);padding-top:12px;font-size:13px}
.scene-line b{display:block;color:var(--mint);font-size:14px;margin-bottom:5px}
.tech-panel{background:#fff;color:var(--ink);border:1px solid var(--line)}
.tech-list{list-style:none;padding:0;margin:18px 0 0}
.tech-list li{display:flex;justify-content:space-between;gap:15px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
.tech-list span{color:var(--muted);text-align:right}
.capability-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:24px;align-items:start}
.capability-copy{background:#eaf3df;border-radius:var(--radius);padding:30px}
.capability-copy p{color:var(--muted)}
.capability-items{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.capability-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;min-height:145px;transition:var(--speed)}
.capability-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft)}
.capability-item b{display:block;color:var(--mint-deep);font-size:13px;margin-bottom:18px}
.selection{background:var(--mist)}
.selection-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.select-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;min-height:145px}
.select-card strong{display:block;margin-bottom:8px}
.select-card p{font-size:14px;color:var(--muted);margin:0}
.faq-wrap{max-width:920px;margin:auto}
.accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;margin-bottom:12px;overflow:hidden;background:#fff}
.accordion-button{font-weight:700;background:#fff;color:var(--ink);padding:20px}
.accordion-button:not(.collapsed){background:#edf4e4;color:var(--deep);box-shadow:none}
.accordion-body{color:var(--muted);padding:0 20px 20px}
.evidence{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
.evidence-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.evidence-card img{height:150px;width:100%;object-fit:cover}
.evidence-body{padding:20px}
.evidence-body time{font-size:12px;color:var(--coral)}
.evidence-body p{font-size:14px;color:var(--muted);margin:8px 0 0}
.contact{background:var(--deep);color:#fff}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact p{color:#c7d3c8}
.form-box{background:#fff;border-radius:var(--radius);padding:26px;color:var(--ink)}
.form-label{font-weight:700;font-size:13px;margin-bottom:6px}
.form-control,.form-select{border:1px solid var(--line);border-radius:10px;padding:12px 13px;min-height:46px}
.form-control:focus,.form-select:focus{border-color:var(--mint-deep);box-shadow:0 0 0 3px rgba(114,173,56,.15)}
footer{background:#111b16;color:#dce7da;padding:56px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footer-brand{font-size:21px;font-weight:800;color:#fff}
footer p{color:#9dad9e;font-size:14px}
footer h3{font-size:15px;color:var(--mint);margin-bottom:13px}
footer a{display:block;color:#b6c4b7;font-size:13px;margin:7px 0}
footer a:hover{color:var(--mint)}
.footer-note{border-top:1px solid #314037;margin-top:34px;padding-top:18px;color:#8f9e91;font-size:12px}
.fixed-bar{position:fixed;bottom:0;left:0;right:0;z-index:999;background:rgba(23,37,31,.96);color:#fff;padding:10px 0;box-shadow:0 -8px 24px rgba(20,35,26,.14)}
.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.fixed-bar small{color:#cbd8ca}
.fixed-bar .btn-primary-custom{background:var(--mint);color:var(--deep);min-height:42px;padding:9px 18px}
@media(max-width:992px){
 .header-meta{display:none}.intro-layout,.matrix,.capability-grid,.contact-grid{grid-template-columns:1fr}
 .product-row{grid-template-columns:190px 1fr}.product-row img{width:190px;height:150px}.product-action{grid-column:2}
 .selection-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(var(--max),calc(100% - 28px))}
 .topline{min-height:68px}.brand{min-width:0}.brand-name{font-size:15px}
 .menu-toggle{display:block}.navrow{display:none}.navrow.open{display:block}
 nav ul.menu{display:grid;grid-template-columns:repeat(2,1fr);padding:10px 0 14px}
 .menu a{padding:10px;font-size:13px}
 section{padding:64px 0}.page-intro{padding:42px 0 34px}h1{font-size:38px}
 .section-head{display:block}.section-head p{margin-top:14px}
 .product-row{grid-template-columns:1fr}.product-row img{width:100%;height:190px}.product-action{grid-column:auto}
 .scene-line{grid-template-columns:repeat(2,1fr);row-gap:22px}
 .capability-items,.evidence{grid-template-columns:1fr}
 .fixed-inner{align-items:center}.fixed-bar small{font-size:12px}.fixed-bar .btn-primary-custom{padding:8px 12px;font-size:13px}
}
@media(max-width:520px){
 body{font-size:15px}.catalog-cover img{height:220px}.selection-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr;gap:20px}.footer-grid>div:first-child{grid-column:1/-1}
 .fixed-bar small{max-width:55%;line-height:1.35}.fixed-bar{padding:8px 0}
}

/* roulang page: category4 */
:root{
 --mint:#b8e75f;
 --mint-deep:#72ad38;
 --coral:#e98963;
 --amber:#f3bd61;
 --ink:#17211d;
 --muted:#69736d;
 --paper:#fbfaf5;
 --mist:#eef1e9;
 --line:#dfe5db;
 --deep:#17251f;
 --white:#fff;
 --max:1200px;
 --radius:22px;
 --radius-sm:14px;
 --shadow:0 18px 45px rgba(30,47,36,.09);
 --shadow-soft:0 8px 24px rgba(30,47,36,.07);
 --speed:.28s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;padding-bottom:76px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(233,137,99,.5);outline-offset:3px}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.header{position:sticky;top:0;z-index:1000;background:rgba(251,250,245,.95);backdrop-filter:blur(15px);border-bottom:1px solid var(--line)}
.navrow{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:270px}
.brand-mark{width:42px;height:42px;border-radius:13px;background:var(--mint);display:grid;place-items:center;color:var(--deep);font-weight:800;letter-spacing:-1px}
.brand-name{font-weight:800;font-size:17px;line-height:1.2}
.brand-name small{display:block;font-size:11px;color:var(--muted);font-weight:600;margin-top:3px}
.menu{display:flex;align-items:center;gap:5px;list-style:none;padding:0;margin:0}
.menu a{display:block;padding:10px 13px;border-radius:10px;font-size:14px;color:#47534c;transition:var(--speed)}
.menu a:hover,.menu a.active{background:#e8f1dc;color:var(--deep)}
.nav-cta,.btn-primary-custom{background:var(--deep);color:var(--white);border:0;border-radius:12px;padding:13px 20px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;transition:var(--speed)}
.nav-cta:hover,.btn-primary-custom:hover{background:var(--mint-deep);color:var(--white);transform:translateY(-2px)}
.btn-outline-custom{border:1px solid #b9c7b5;color:var(--deep);border-radius:12px;padding:12px 19px;min-height:46px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;transition:var(--speed)}
.btn-outline-custom:hover{border-color:var(--deep);background:var(--deep);color:#fff}
.menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--deep);border-radius:10px;padding:9px 12px;font-size:22px;line-height:1;min-width:46px;min-height:46px}
.page-top{padding:58px 0 46px;background:linear-gradient(180deg,#f0f5e9 0%,var(--paper) 100%)}
.page-top-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.eyebrow,.section-kicker{color:var(--mint-deep);font-size:12px;font-weight:800;letter-spacing:2px;margin-bottom:15px}
h1,h2,h3{font-weight:750;letter-spacing:-.035em;line-height:1.22;margin-top:0}
h1{font-size:clamp(34px,4.5vw,62px);max-width:720px;margin-bottom:22px}
h2{font-size:clamp(27px,3vw,42px)}
h3{font-size:20px}
.lead{font-size:18px;color:var(--muted);max-width:650px}
.page-top-image{position:relative;border-radius:28px;overflow:hidden;background:var(--deep);min-height:330px;box-shadow:var(--shadow)}
.page-top-image img{width:100%;height:100%;min-height:330px;object-fit:cover;opacity:.88}
.image-note{position:absolute;left:22px;bottom:22px;padding:11px 15px;border-radius:12px;background:rgba(23,37,31,.84);color:#fff;font-size:13px}
.top-facts{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
.fact{padding:9px 13px;border:1px solid var(--line);background:#fff;border-radius:30px;font-size:13px;color:#506057}
section{padding:88px 0;scroll-margin-top:105px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
.section-head p{max-width:560px;color:var(--muted);margin:0}
.soft-section{background:var(--mist)}
.catalog{display:grid;gap:18px}
.catalog-item{display:grid;grid-template-columns:180px 1fr auto;gap:26px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;transition:var(--speed)}
.catalog-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:#b7ce99}
.catalog-item img{width:180px;height:148px;object-fit:cover;border-radius:16px}
.catalog-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.badge-custom{display:inline-flex;background:#edf4e4;color:var(--mint-deep);padding:5px 10px;border-radius:30px;font-size:12px;font-weight:700}
.catalog-item h3{margin-bottom:8px}
.catalog-item p{font-size:14px;color:var(--muted);margin:0}
.catalog-specs{display:flex;gap:12px;flex-wrap:wrap;margin-top:13px;color:#536159;font-size:13px}
.catalog-specs span{padding-right:12px;border-right:1px solid var(--line)}
.catalog-specs span:last-child{border:0}
.small-link{white-space:nowrap;color:var(--mint-deep);font-weight:750;font-size:14px}
.small-link:hover{color:var(--coral)}
.scene-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:28px;align-items:stretch}
.scene-list{display:grid;gap:12px}
.scene-step{padding:20px 22px;border:1px solid var(--line);border-radius:16px;background:#fff;display:grid;grid-template-columns:40px 1fr;gap:14px;transition:var(--speed)}
.scene-step:hover,.scene-step.active{border-color:var(--mint-deep);box-shadow:var(--shadow-soft)}
.scene-number{width:36px;height:36px;border-radius:12px;background:#eaf4da;color:var(--mint-deep);display:grid;place-items:center;font-weight:800}
.scene-step h3{font-size:17px;margin-bottom:5px}
.scene-step p{font-size:14px;color:var(--muted);margin:0}
.scene-visual{border-radius:24px;background:var(--deep) url('/assets/images/7666ebd640c71ed8.webp') center/cover;min-height:410px;position:relative;overflow:hidden;padding:28px;color:#fff}
.scene-visual:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(23,37,31,.9),rgba(23,37,31,.3))}
.visual-content{position:relative;z-index:1}
.signal-board{margin-top:44px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:18px;padding:20px}
.signal-row{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.15);padding:12px 0;font-size:14px}
.signal-row:last-child{border-bottom:0}
.signal-state{color:var(--mint);font-weight:700}
.signal-alert{color:var(--amber);font-weight:700}
.capability-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
.capability-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.capability-panel.dark{background:var(--deep);color:#fff;border-color:var(--deep)}
.data-list{display:grid;gap:0;margin:0;padding:0;list-style:none}
.data-list li{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid var(--line);font-size:14px}
.dark .data-list li{border-color:rgba(255,255,255,.14);color:#dfe8dc}
.data-list li:last-child{border-bottom:0}
.data-list b{font-weight:700;color:var(--deep)}
.dark .data-list b{color:var(--mint)}
.chip-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:22px}
.chip{border:1px solid #c8d5c3;border-radius:30px;padding:7px 12px;font-size:13px;color:#506057;background:#fafcf8}
.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.matrix-item{min-height:155px;padding:22px 18px;border-radius:18px;background:#fff;border:1px solid var(--line);position:relative;overflow:hidden}
.matrix-item:after{content:"";width:65px;height:65px;border-radius:50%;background:#eef6df;position:absolute;right:-20px;bottom:-20px}
.matrix-item h3{font-size:17px;margin-bottom:9px;position:relative;z-index:1}
.matrix-item p{font-size:13px;color:var(--muted);margin:0;position:relative;z-index:1}
.selection{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.selection-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.selection-box h3{margin-bottom:18px}
.choice-list{display:grid;gap:11px;margin:0;padding:0;list-style:none}
.choice-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed #d5ded0;font-size:14px}
.choice-list li:last-child{border-bottom:0}
.choice-list i{font-style:normal;color:var(--mint-deep);font-weight:800}
.faq-wrap{max-width:900px;margin:auto}
.accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;margin-bottom:12px;overflow:hidden;background:#fff}
.accordion-button{font-weight:700;background:#fff;color:var(--ink);padding:20px}
.accordion-button:not(.collapsed){background:#edf4e4;color:var(--deep);box-shadow:none}
.accordion-button:after{background-size:14px}
.accordion-body{color:var(--muted);padding:0 20px 20px;font-size:14px}
.evidence-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.evidence-card{display:grid;grid-template-columns:130px 1fr;gap:20px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:20px}
.evidence-card img{width:130px;height:112px;object-fit:cover;border-radius:13px}
.evidence-card time{font-size:12px;color:var(--coral)}
.evidence-card h3{font-size:18px;margin:7px 0}
.evidence-card p{font-size:14px;color:var(--muted);margin:0}
.cta-section{padding:70px 0;background:var(--deep);color:#fff}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta-box p{color:#cddace;max-width:620px;margin:10px 0 0}
.cta-box .btn-primary-custom{background:var(--mint);color:var(--deep)}
.cta-box .btn-primary-custom:hover{background:#d1f58c;color:var(--deep)}
.contact-form{margin-top:30px;padding:26px;background:#fff;border-radius:20px;color:var(--ink);box-shadow:var(--shadow)}
.form-label{font-size:13px;font-weight:700;margin-bottom:7px}
.form-control,.form-select{border:1px solid var(--line);border-radius:11px;min-height:46px;padding:10px 13px;background:#fcfdf9}
.form-control:focus,.form-select:focus{border-color:var(--mint-deep);box-shadow:0 0 0 3px rgba(184,231,95,.25)}
.form-note{font-size:12px;color:var(--muted);margin:12px 0 0}
footer{background:#101b16;color:#dce6d9;padding:58px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
.footer-brand{font-size:21px;font-weight:800;color:#fff}
footer p{color:#aab9aa;font-size:14px}
footer h3{font-size:15px;color:var(--mint);margin-bottom:14px}
footer a{display:block;color:#b7c6b8;font-size:14px;margin:9px 0;transition:var(--speed)}
footer a:hover{color:var(--mint)}
.footer-note{border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:20px;color:#89998b;font-size:12px}
.fixed-bar{position:fixed;z-index:999;bottom:0;left:0;right:0;background:rgba(23,37,31,.96);color:#fff;border-top:1px solid rgba(255,255,255,.14);padding:10px 0}
.fixed-inner{display:flex;justify-content:space-between;align-items:center;gap:20px}
.fixed-inner span{font-size:14px;color:#dce8d7}
.fixed-inner .btn-primary-custom{background:var(--mint);color:var(--deep);min-height:42px;padding:9px 19px}
@media (max-width:1100px){
 .brand{min-width:230px}.menu{gap:0}.menu a{padding:9px 8px;font-size:13px}.nav-cta{display:none}
 .page-top-grid{gap:35px}.matrix{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
 .navrow{min-height:68px}.menu-toggle{display:block}
 .navrow>.menu{display:none;position:absolute;top:68px;left:20px;right:20px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow)}
 .navrow>.menu.show{display:block}.menu a{padding:12px 14px}
 .page-top-grid,.scene-layout,.capability-grid,.selection,.evidence-grid{grid-template-columns:1fr}
 .page-top-image{min-height:300px}.page-top-image img{min-height:300px}
 .catalog-item{grid-template-columns:145px 1fr}.catalog-item img{width:145px;height:130px}.catalog-item .small-link{grid-column:2}
 .footer-grid{grid-template-columns:1fr 1fr}
 section{padding:68px 0}
}
@media (max-width:560px){
 body{font-size:15px;padding-bottom:70px}.container{width:min(var(--max),calc(100% - 28px))}
 .brand{min-width:0}.brand-name{font-size:15px}.brand-name small{font-size:10px}.brand-mark{width:38px;height:38px}
 .page-top{padding:38px 0 28px}h1{font-size:36px}.lead{font-size:16px}
 .page-top-image{min-height:240px}.page-top-image img{min-height:240px}
 .catalog-item{grid-template-columns:1fr;padding:13px}.catalog-item img{width:100%;height:190px}.catalog-item .small-link{grid-column:auto}
 .matrix{grid-template-columns:1fr 1fr;gap:10px}.matrix-item{min-height:145px;padding:17px 14px}
 .evidence-card{grid-template-columns:95px 1fr;gap:13px;padding:14px}.evidence-card img{width:95px;height:100px}
 .section-head{display:block;margin-bottom:25px}.section-head p{margin-top:13px}
 .cta-box{display:block}.cta-box .btn-primary-custom{margin-top:22px;width:100%}
 .footer-grid{grid-template-columns:1fr;gap:23px}.footer-note{line-height:1.8}
 .fixed-inner span{font-size:12px}.fixed-inner .btn-primary-custom{font-size:13px;padding:8px 12px;white-space:nowrap}
}

/* roulang page: category3 */
:root{
            --mint:#b8e75f;
            --mint-deep:#72ad38;
            --coral:#e98963;
            --amber:#f3bd61;
            --ink:#17211d;
            --muted:#69736d;
            --paper:#fbfaf5;
            --mist:#eef1e9;
            --line:#dfe5db;
            --deep:#17251f;
            --white:#fff;
            --max:1200px;
            --mobile-pad:20px;
            --section-space:88px;
            --radius:22px;
            --radius-sm:14px;
            --button-radius:12px;
            --input-radius:12px;
            --shadow:0 18px 45px rgba(30,47,36,.09);
            --shadow-soft:0 8px 24px rgba(30,47,36,.07);
            --focus:0 0 0 4px rgba(233,137,99,.22);
            --speed:.28s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:var(--paper);
            font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;
            line-height:1.75;
            padding-bottom:78px;
        }
        img{display:block;max-width:100%}
        a{color:inherit;text-decoration:none}
        a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
            outline:3px solid rgba(233,137,99,.55);
            outline-offset:3px;
            box-shadow:var(--focus);
        }
        button,input,textarea,select{font:inherit}
        .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
        .header{
            position:sticky;
            top:0;
            z-index:1000;
            background:rgba(251,250,245,.95);
            backdrop-filter:blur(15px);
            border-bottom:1px solid var(--line);
        }
        .topline{
            min-height:76px;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:24px;
        }
        .brand{display:flex;align-items:center;gap:12px;min-width:265px}
        .brand-mark{
            width:42px;height:42px;border-radius:13px;
            display:grid;place-items:center;
            background:var(--mint);color:var(--deep);
            font-weight:800;letter-spacing:-1px;
        }
        .brand-name{font-size:17px;font-weight:800;line-height:1.2}
        .brand-name small{
            display:block;margin-top:3px;color:var(--muted);
            font-size:11px;font-weight:600;letter-spacing:.4px;
        }
        .top-note{display:flex;align-items:center;gap:18px;color:var(--muted);font-size:13px}
        .top-note strong{color:var(--deep);font-weight:700}
        .navrow{
            min-height:54px;
            display:flex;
            align-items:center;
            justify-content:flex-end;
            border-top:1px solid rgba(223,229,219,.72);
        }
        nav[aria-label="主导航"]{width:100%}
        .menu{
            display:flex;
            justify-content:flex-end;
            align-items:center;
            gap:5px;
            list-style:none;
            padding:7px 0;
            margin:0;
        }
        .menu a{
            display:block;
            min-height:42px;
            padding:9px 13px;
            border-radius:10px;
            color:#47534c;
            font-size:14px;
            transition:var(--speed);
        }
        .menu a:hover,.menu a.active{
            background:#e8f1dc;
            color:var(--deep);
        }
        .nav-cta,.btn-primary-custom{
            min-height:46px;
            padding:12px 20px;
            border:0;
            border-radius:var(--button-radius);
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:8px;
            background:var(--deep);
            color:#fff;
            font-weight:700;
            transition:var(--speed);
        }
        .nav-cta:hover,.btn-primary-custom:hover{
            color:#fff;
            background:var(--mint-deep);
            transform:translateY(-2px);
        }
        .btn-outline-custom{
            min-height:46px;
            padding:11px 19px;
            border:1px solid #b9c7b5;
            border-radius:var(--button-radius);
            display:inline-flex;
            align-items:center;
            justify-content:center;
            color:var(--deep);
            font-weight:700;
            transition:var(--speed);
        }
        .btn-outline-custom:hover{
            background:var(--deep);
            border-color:var(--deep);
            color:#fff;
        }
        .menu-toggle{
            display:none;
            width:44px;height:44px;
            padding:7px 10px;
            border:1px solid var(--line);
            border-radius:10px;
            background:var(--white);
            color:var(--deep);
            font-size:22px;
            line-height:1;
        }
        .category-intro{
            padding:58px 0 72px;
            background:
                radial-gradient(circle at 82% 15%,rgba(184,231,95,.2),transparent 28%),
                linear-gradient(180deg,#f1f5eb 0%,var(--paper) 100%);
        }
        .intro-layout{
            display:grid;
            grid-template-columns:1.05fr .95fr;
            gap:54px;
            align-items:center;
        }
        .breadcrumb-line{
            display:flex;
            gap:8px;
            align-items:center;
            margin-bottom:22px;
            color:var(--muted);
            font-size:13px;
        }
        .breadcrumb-line span{color:var(--mint-deep)}
        h1,h2,h3,h4{color:var(--ink);font-weight:750;line-height:1.22;margin-top:0}
        h1{max-width:720px;margin-bottom:22px;font-size:clamp(34px,5vw,60px);letter-spacing:-1.8px}
        h2{font-size:clamp(28px,3.6vw,43px);letter-spacing:-1px}
        h3{font-size:20px}
        .kicker,.section-kicker{
            display:inline-flex;
            align-items:center;
            gap:8px;
            margin-bottom:15px;
            color:var(--mint-deep);
            font-size:12px;
            font-weight:800;
            letter-spacing:2px;
        }
        .kicker:before,.section-kicker:before{
            content:"";
            width:24px;height:3px;
            border-radius:5px;
            background:var(--coral);
        }
        .intro-copy{
            max-width:650px;
            color:var(--muted);
            font-size:17px;
            margin:0 0 27px;
        }
        .intro-actions{display:flex;flex-wrap:wrap;gap:12px}
        .info-strip{
            display:flex;
            flex-wrap:wrap;
            gap:10px;
            margin-top:28px;
        }
        .info-strip span,.tag{
            display:inline-flex;
            align-items:center;
            gap:6px;
            padding:6px 11px;
            border-radius:30px;
            background:#edf4e4;
            color:var(--mint-deep);
            font-size:12px;
            font-weight:700;
        }
        .coupon-panel{
            position:relative;
            min-height:360px;
            padding:28px;
            border-radius:30px;
            overflow:hidden;
            background:#23372d url('/assets/images/a2591ed6f8869195.webp') center/cover no-repeat;
            box-shadow:var(--shadow);
            color:#fff;
        }
        .coupon-panel:before{
            content:"";
            position:absolute;
            inset:0;
            background:linear-gradient(135deg,rgba(17,35,26,.93),rgba(17,35,26,.3));
        }
        .coupon-content{position:relative;z-index:1;height:100%;display:flex;flex-direction:column;justify-content:space-between}
        .coupon-label{color:var(--mint);font-size:12px;font-weight:800;letter-spacing:2px}
        .coupon-ticket{
            margin:28px 0 20px;
            padding:24px 25px;
            display:flex;
            align-items:flex-end;
            justify-content:space-between;
            gap:15px;
            border:1px solid rgba(184,231,95,.65);
            border-radius:18px;
            background:rgba(25,48,35,.75);
        }
        .coupon-ticket strong{display:block;font-size:28px;line-height:1.2;color:#fff}
        .coupon-ticket small{display:block;margin-top:7px;color:#c8d8c6}
        .coupon-code{font-size:30px;color:var(--mint);font-weight:800;line-height:1}
        .coupon-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;color:#d7e4d6;font-size:13px}
        .coupon-foot .btn-primary-custom{background:var(--mint);color:var(--deep);white-space:nowrap}
        .coupon-foot .btn-primary-custom:hover{background:#d1f58c;color:var(--deep)}
        section{padding:var(--section-space) 0;scroll-margin-top:135px}
        .section-head{
            display:flex;
            justify-content:space-between;
            align-items:flex-end;
            gap:28px;
            margin-bottom:35px;
        }
        .section-head p{max-width:560px;margin:0;color:var(--muted)}
        .soft-section{background:var(--mist)}
        .list-shell{
            display:grid;
            grid-template-columns:260px 1fr;
            gap:28px;
            align-items:start;
        }
        .list-aside{
            position:sticky;
            top:145px;
            padding:24px;
            background:var(--deep);
            border-radius:var(--radius);
            color:#e8f2e7;
        }
        .list-aside h3{color:#fff;font-size:22px;margin-bottom:13px}
        .list-aside p{color:#bbcabd;font-size:14px;margin:0 0 22px}
        .aside-line{
            display:flex;
            align-items:center;
            gap:9px;
            padding:11px 0;
            border-top:1px solid rgba(255,255,255,.12);
            color:#d6e6d4;
            font-size:13px;
        }
        .aside-line i{
            width:8px;height:8px;
            display:block;
            border-radius:50%;
            background:var(--mint);
        }
        .terminal-list{display:grid;gap:16px}
        .terminal-item{
            display:grid;
            grid-template-columns:190px 1fr auto;
            gap:23px;
            align-items:center;
            padding:17px;
            border:1px solid var(--line);
            border-radius:var(--radius);
            background:#fff;
            transition:var(--speed);
        }
        .terminal-item:hover{
            border-color:#b7ce99;
            box-shadow:var(--shadow-soft);
            transform:translateY(-3px);
        }
        .terminal-item img{
            width:190px;
            height:150px;
            object-fit:cover;
            border-radius:16px;
        }
        .terminal-item h3{margin:9px 0 8px;font-size:22px}
        .terminal-item p{margin:0;color:var(--muted);font-size:14px}
        .terminal-meta{
            display:flex;
            flex-wrap:wrap;
            gap:7px;
            margin-top:14px;
        }
        .terminal-meta span{
            padding:5px 9px;
            border:1px solid var(--line);
            border-radius:8px;
            color:#647069;
            font-size:12px;
        }
        .terminal-action{white-space:nowrap}
        .terminal-action a{
            display:inline-flex;
            align-items:center;
            min-height:44px;
            padding:10px 13px;
            color:var(--deep);
            border:1px solid #c5d2bf;
            border-radius:10px;
            font-size:13px;
            font-weight:700;
            transition:var(--speed);
        }
        .terminal-action a:hover{background:var(--deep);border-color:var(--deep);color:#fff}
        .scenario-layout{
            display:grid;
            grid-template-columns:1.1fr .9fr;
            gap:42px;
            align-items:stretch;
        }
        .scenario-visual{
            min-height:380px;
            padding:34px;
            border-radius:28px;
            background:#dfead7 url('/assets/images/16f99aadd9dadc15.webp') center/cover no-repeat;
            position:relative;
            overflow:hidden;
        }
        .scenario-visual:after{
            content:"";
            position:absolute;
            inset:0;
            background:linear-gradient(180deg,rgba(19,42,29,.12),rgba(19,42,29,.75));
        }
        .scenario-caption{
            position:absolute;
            z-index:1;
            bottom:28px;
            left:32px;
            right:32px;
            color:#fff;
        }
        .scenario-caption h3{color:#fff;font-size:28px;margin-bottom:8px}
        .scenario-caption p{margin:0;color:#d9e8d9;font-size:14px}
        .scenario-stack{display:grid;gap:12px}
        .scenario-card{
            display:grid;
            grid-template-columns:48px 1fr;
            gap:15px;
            padding:20px;
            border:1px solid var(--line);
            border-radius:18px;
            background:#fff;
            transition:var(--speed);
        }
        .scenario-card:hover{border-color:#b7ce99;transform:translateX(4px)}
        .scenario-num{
            width:42px;height:42px;
            display:grid;place-items:center;
            border-radius:13px;
            background:#edf4e4;
            color:var(--mint-deep);
            font-weight:800;
        }
        .scenario-card h3{font-size:17px;margin:0 0 4px}
        .scenario-card p{margin:0;color:var(--muted);font-size:13px}
        .capability-grid{
            display:grid;
            grid-template-columns:repeat(12,1fr);
            gap:17px;
        }
        .capability-card{
            grid-column:span 4;
            min-height:208px;
            padding:25px;
            border:1px solid var(--line);
            border-radius:var(--radius);
            background:#fff;
            transition:var(--speed);
        }
        .capability-card:nth-child(2){grid-column:span 5;background:#edf4e4}
        .capability-card:nth-child(3){grid-column:span 3}
        .capability-card:nth-child(4){grid-column:span 3}
        .capability-card:nth-child(5){grid-column:span 5;background:#fff8ea}
        .capability-card:nth-child(6){grid-column:span 4}
        .capability-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:#b7ce99}
        .capability-index{color:var(--coral);font-size:12px;font-weight:800;letter-spacing:1px}
        .capability-card h3{margin:22px 0 9px;font-size:20px}
        .capability-card p{margin:0;color:var(--muted);font-size:14px}
        .data-table-wrap{
            overflow-x:auto;
            border:1px solid var(--line);
            border-radius:var(--radius);
            background:#fff;
            box-shadow:var(--shadow-soft);
        }
        .data-table{
            min-width:720px;
            width:100%;
            border-collapse:collapse;
        }
        .data-table th,.data-table td{
            padding:18px 22px;
            border-bottom:1px solid var(--line);
            text-align:left;
            vertical-align:top;
        }
        .data-table tr:last-child td{border-bottom:0}
        .data-table th{
            width:25%;
            color:var(--deep);
            background:#f0f5eb;
            font-size:14px;
        }
        .data-table td{color:var(--muted);font-size:14px}
        .data-table td strong{color:var(--ink);font-weight:700}
        .selection-area{
            display:grid;
            grid-template-columns:.9fr 1.1fr;
            gap:25px;
        }
        .selection-card{
            padding:29px;
            border-radius:var(--radius);
            background:var(--deep);
            color:#dce9dc;
        }
        .selection-card h3{color:#fff;font-size:25px}
        .selection-card p{color:#b9cabb;font-size:14px}
        .selection-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
        .selection-tags span{
            padding:7px 11px;
            border:1px solid rgba(184,231,95,.38);
            border-radius:30px;
            color:var(--mint);
            font-size:12px;
        }
        .fit-list{
            display:grid;
            grid-template-columns:repeat(2,1fr);
            gap:13px;
        }
        .fit-item{
            padding:20px;
            border:1px solid var(--line);
            border-radius:18px;
            background:#fff;
        }
        .fit-item strong{display:block;margin-bottom:6px;font-size:16px}
        .fit-item span{color:var(--muted);font-size:13px}
        .faq-wrap{max-width:930px;margin:0 auto}
        .accordion-item{
            margin-bottom:12px;
            overflow:hidden;
            border:1px solid var(--line)!important;
            border-radius:15px!important;
            background:#fff;
        }
        .accordion-button{
            min-height:66px;
            padding:18px 21px;
            color:var(--ink);
            background:#fff;
            font-weight:700;
            box-shadow:none!important;
        }
        .accordion-button:not(.collapsed){color:var(--deep);background:#edf4e4}
        .accordion-button:after{filter:sepia(1) saturate(.6)}
        .accordion-body{padding:0 21px 20px;color:var(--muted);font-size:14px}
        .evidence-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:18px;
        }
        .evidence-card{
            overflow:hidden;
            border:1px solid var(--line);
            border-radius:var(--radius);
            background:#fff;
            transition:var(--speed);
        }
        .evidence-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:#b7ce99}
        .evidence-card img{width:100%;height:165px;object-fit:cover}
        .evidence-body{padding:22px}
        .evidence-body time{color:var(--coral);font-size:12px;font-weight:700}
        .evidence-body h3{margin:9px 0 8px;font-size:18px}
        .evidence-body p{margin:0;color:var(--muted);font-size:14px}
        .contact-section{background:#e9f1df}
        .contact-layout{
            display:grid;
            grid-template-columns:.82fr 1.18fr;
            gap:38px;
            align-items:start;
        }
        .contact-copy h2{max-width:420px}
        .contact-copy p{max-width:440px;color:var(--muted)}
        .contact-points{display:grid;gap:12px;margin-top:24px}
        .contact-point{
            display:flex;
            gap:12px;
            align-items:flex-start;
            color:var(--muted);
            font-size:14px;
        }
        .contact-point b{
            display:grid;place-items:center;
            width:25px;height:25px;
            flex:0 0 25px;
            border-radius:8px;
            background:var(--mint);
            color:var(--deep);
            font-size:12px;
        }
        .contact-form{
            padding:29px;
            border:1px solid #d2dfc6;
            border-radius:var(--radius);
            background:#fff;
            box-shadow:var(--shadow-soft);
        }
        .form-label{margin-bottom:7px;color:var(--deep);font-size:13px;font-weight:700}
        .form-control,.form-select{
            min-height:48px;
            border:1px solid #d5ded2;
            border-radius:var(--input-radius);
            background:#fcfdf9;
            color:var(--ink);
        }
        textarea.form-control{min-height:118px;resize:vertical}
        .form-control:focus,.form-select:focus{border-color:var(--mint-deep);box-shadow:var(--focus)}
        .form-note{margin:14px 0 0;color:var(--muted);font-size:12px}
        footer{
            padding:58px 0 24px;
            background:var(--deep);
            color:#d6e4d5;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.35fr 1fr 1fr 1fr;
            gap:30px;
        }
        .footer-brand{color:#fff;font-size:20px;font-weight:800}
        footer p{color:#aebfae;font-size:14px;max-width:275px}
        footer h3{color:#fff;font-size:15px;margin:0 0 14px}
        footer a{
            display:block;
            width:max-content;
            max-width:100%;
            margin:8px 0;
            color:#afc1b0;
            font-size:13px;
            transition:var(--speed);
        }
        footer a:hover{color:var(--mint)}
        .footer-note{
            margin-top:42px;
            padding-top:21px;
            border-top:1px solid rgba(255,255,255,.14);
            color:#91a592;
            font-size:12px;
        }
        .fixed-bar{
            position:fixed;
            z-index:1100;
            right:18px;
            bottom:18px;
            left:18px;
            min-height:58px;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:18px;
            padding:9px 12px 9px 22px;
            border:1px solid rgba(184,231,95,.4);
            border-radius:17px;
            background:rgba(23,37,31,.96);
            color:#fff;
            box-shadow:0 16px 40px rgba(19,32,25,.25);
        }
        .fixed-bar strong{font-size:15px}
        .fixed-bar span{margin-left:10px;color:#b7cbbb;font-size:13px}
        .fixed-bar .btn-primary-custom{min-width:135px;background:var(--mint);color:var(--deep)}
        .fixed-bar .btn-primary-custom:hover{background:#d1f58c;color:var(--deep)}
        @media (max-width:1100px){
            .top-note{display:none}
            .menu{justify-content:flex-start;overflow-x:auto;scrollbar-width:none}
            .menu::-webkit-scrollbar{display:none}
            .terminal-item{grid-template-columns:160px 1fr}
            .terminal-item img{width:160px;height:135px}
            .terminal-action{grid-column:2}
        }
        @media (max-width:900px){
            :root{--section-space:70px}
            .intro-layout,.scenario-layout,.selection-area,.contact-layout{grid-template-columns:1fr}
            .intro-layout{gap:35px}
            .coupon-panel{min-height:330px}
            .list-shell{grid-template-columns:1fr}
            .list-aside{position:static}
            .capability-card,.capability-card:nth-child(n){grid-column:span 6}
            .footer-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media (max-width:700px){
            body{padding-bottom:84px}
            .container{width:min(var(--max),calc(100% - 32px))}
            .topline{min-height:68px}
            .brand{min-width:0}
            .brand-name{font-size:15px}
            .brand-mark{width:38px;height:38px}
            .navrow{position:relative;min-height:0}
            .menu-toggle{display:block;position:absolute;right:0;top:-54px}
            nav[aria-label="主导航"]{display:none;padding:7px 0 12px}
            nav[aria-label="主导航"].open{display:block}
            .menu{display:grid;grid-template-columns:repeat(2,1fr);gap:5px}
            .menu a{padding:11px 10px}
            .category-intro{padding:37px 0 52px}
            h1{font-size:37px;letter-spacing:-1px}
            h2{font-size:30px}
            .intro-copy{font-size:16px}
            .coupon-panel{min-height:315px;padding:22px}
            .coupon-ticket{margin:24px 0 17px;padding:19px}
            .coupon-ticket strong{font-size:22px}
            .coupon-code{font-size:25px}
            .section-head{display:block;margin-bottom:25px}
            .section-head p{margin-top:13px}
            .terminal-item{grid-template-columns:1fr;gap:16px}
            .terminal-item img{width:100%;height:190px}
            .terminal-action{grid-column:auto}
            .terminal-action a{width:100%;justify-content:center}
            .capability-card,.capability-card:nth-child(n){grid-column:span 12;min-height:0}
            .fit-list{grid-template-columns:1fr}
            .evidence-grid{grid-template-columns:1fr}
            .evidence-card img{height:190px}
            .contact-form{padding:21px}
            .fixed-bar{
                right:0;bottom:0;left:0;
                border-radius:0;
                padding:9px 14px;
            }
            .fixed-bar span{display:none}
            .fixed-bar strong{font-size:13px}
            .fixed-bar .btn-primary-custom{min-width:122px;padding:10px 12px;font-size:13px}
        }
        @media (max-width:430px){
            .brand-name small{font-size:10px}
            .coupon-foot{align-items:flex-start;flex-direction:column}
            .coupon-foot .btn-primary-custom{width:100%}
            .footer-grid{grid-template-columns:1fr}
            .footer-note{line-height:1.9}
        }

/* roulang page: category5 */
:root{
 --mint:#b8e75f;
 --mint-deep:#72ad38;
 --coral:#e98963;
 --amber:#f3bd61;
 --ink:#17211d;
 --muted:#69736d;
 --paper:#fbfaf5;
 --mist:#eef1e9;
 --line:#dfe5db;
 --deep:#17251f;
 --white:#fff;
 --max:1200px;
 --radius:22px;
 --radius-sm:14px;
 --shadow:0 18px 45px rgba(30,47,36,.09);
 --shadow-soft:0 8px 24px rgba(30,47,36,.07);
 --speed:.28s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;padding-bottom:76px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(233,137,99,.55);outline-offset:3px}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.header{position:sticky;top:0;z-index:1000;background:rgba(251,250,245,.96);backdrop-filter:blur(15px);border-bottom:1px solid var(--line)}
.navrow{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:270px}
.brand-mark{width:42px;height:42px;border-radius:13px;background:var(--mint);display:grid;place-items:center;color:var(--deep);font-weight:800;letter-spacing:-1px}
.brand-name{font-weight:800;font-size:17px;line-height:1.2}
.brand-name small{display:block;font-size:11px;color:var(--muted);font-weight:600;margin-top:3px}
.header-side{display:flex;align-items:center;gap:15px}
.header-note{font-size:13px;color:var(--muted)}
.nav-cta,.btn-primary-custom{background:var(--deep);color:var(--white);border:0;border-radius:12px;padding:13px 20px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;transition:var(--speed)}
.nav-cta:hover,.btn-primary-custom:hover{background:var(--mint-deep);color:#fff;transform:translateY(-2px)}
.menu-wrap{border-top:1px solid rgba(223,229,219,.85)}
.menu{display:flex;align-items:center;gap:5px;list-style:none;padding:9px 0;margin:0}
.menu a{display:block;padding:10px 13px;border-radius:10px;font-size:14px;color:#47534c;transition:var(--speed)}
.menu a:hover,.menu a.active{background:#e8f1dc;color:var(--deep)}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:21px;color:var(--deep)}
section{padding:88px 0;scroll-margin-top:125px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
.section-kicker{color:var(--mint-deep);font-size:12px;font-weight:800;letter-spacing:2px;margin-bottom:12px}
.section-head h2{font-size:clamp(28px,3vw,42px);line-height:1.2;letter-spacing:-1px;margin:0;font-weight:750}
.section-head p{max-width:550px;color:var(--muted);margin:0}
.page-intro{padding:54px 0 30px;background:#f1f4ec}
.intro-panel{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.intro-copy h1{font-size:clamp(34px,5vw,62px);line-height:1.12;letter-spacing:-2px;margin:0 0 22px;font-weight:780}
.intro-copy p{font-size:18px;color:var(--muted);max-width:670px;margin:0 0 26px}
.intro-image{position:relative}
.intro-image img{width:100%;height:330px;object-fit:cover;border-radius:26px;box-shadow:var(--shadow)}
.intro-stamp{position:absolute;bottom:20px;left:20px;background:var(--mint);color:var(--deep);border-radius:14px;padding:12px 16px;font-size:13px;font-weight:800}
.signal-bar{display:grid;grid-template-columns:repeat(4,1fr);margin-top:42px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.signal{padding:20px 18px;border-right:1px solid var(--line)}
.signal:last-child{border-right:0}
.signal b{display:block;font-size:20px;color:var(--deep);margin-bottom:4px}
.signal span{font-size:13px;color:var(--muted)}
.directory{background:var(--paper)}
.directory-list{display:grid;gap:16px}
.directory-item{display:grid;grid-template-columns:72px 1.1fr 1.2fr 150px;align-items:center;gap:24px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px 24px;transition:var(--speed)}
.directory-item:hover{transform:translateX(5px);border-color:#b7ce99;box-shadow:var(--shadow-soft)}
.directory-no{width:46px;height:46px;border-radius:14px;background:#edf4e4;color:var(--mint-deep);display:grid;place-items:center;font-weight:800}
.directory-item h3{font-size:20px;margin:0 0 5px}
.directory-item p{font-size:14px;color:var(--muted);margin:0}
.item-tags{display:flex;flex-wrap:wrap;gap:7px}
.tag{display:inline-flex;align-items:center;padding:5px 10px;background:#f4f5ef;border-radius:20px;color:#526057;font-size:12px;font-weight:700}
.btn-outline-custom{border:1px solid #b9c7b5;color:var(--deep);border-radius:12px;padding:11px 17px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;transition:var(--speed);white-space:nowrap}
.btn-outline-custom:hover{border-color:var(--deep);background:var(--deep);color:#fff}
.scene-section{background:#edf1e9}
.scene-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:24px;align-items:stretch}
.scene-copy{background:var(--deep);border-radius:24px;color:#fff;padding:36px}
.scene-copy h2{font-size:32px;line-height:1.25;margin:0 0 18px}
.scene-copy p{color:#cbd8cb;margin:0 0 25px}
.scene-list{list-style:none;padding:0;margin:0;display:grid;gap:13px}
.scene-list li{display:flex;gap:10px;color:#dce7d9;font-size:14px}
.scene-list li:before{content:"●";color:var(--mint);font-size:10px;margin-top:4px}
.scene-map{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;align-items:center}
.flow-step{position:relative;min-height:160px;padding:20px 15px;background:#f7f8f3;border-radius:16px;border:1px solid var(--line)}
.flow-step:not(:last-child):after{content:"→";position:absolute;right:-18px;top:61px;color:var(--coral);font-size:24px;font-weight:800;z-index:2}
.flow-step strong{display:block;font-size:16px;margin:12px 0 8px}
.flow-step span{font-size:13px;color:var(--muted);line-height:1.55}
.flow-icon{width:34px;height:34px;border-radius:11px;background:var(--mint);display:grid;place-items:center;color:var(--deep);font-weight:800}
.capability{background:#fff}
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cap-card{position:relative;padding:28px 25px 25px;border:1px solid var(--line);border-radius:20px;background:var(--paper);min-height:190px;transition:var(--speed)}
.cap-card:nth-child(2),.cap-card:nth-child(5){transform:translateY(18px)}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:#b7ce99}
.cap-card:nth-child(2):hover,.cap-card:nth-child(5):hover{transform:translateY(12px)}
.cap-index{color:var(--coral);font-size:12px;font-weight:800;letter-spacing:1px}
.cap-card h3{font-size:19px;margin:20px 0 9px}
.cap-card p{font-size:14px;color:var(--muted);margin:0}
.spec-section{background:#f3f5ef}
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.spec-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px}
.spec-panel h3{font-size:21px;margin:0 0 20px}
.spec-table{display:grid;gap:0}
.spec-row{display:grid;grid-template-columns:145px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
.spec-row:last-child{border-bottom:0}
.spec-row b{color:var(--deep)}
.spec-row span{color:var(--muted)}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:15px}
.check-list li{display:flex;gap:10px;color:var(--muted);font-size:14px}
.check-list li:before{content:"✓";width:22px;height:22px;display:grid;place-items:center;background:#edf4e4;color:var(--mint-deep);border-radius:50%;font-weight:800;flex:none}
.select-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.select-strip span{padding:9px 14px;border:1px solid #cbd7c4;border-radius:30px;color:#536059;font-size:13px;background:#fff}
.faq-section{background:var(--paper)}
.faq-wrap{max-width:900px;margin:auto}
.accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;margin-bottom:12px;overflow:hidden;background:#fff}
.accordion-button{font-weight:700;background:#fff;color:var(--ink);padding:20px}
.accordion-button:not(.collapsed){background:#edf4e4;color:var(--deep);box-shadow:none}
.accordion-button:after{background-size:14px}
.accordion-body{color:var(--muted);padding:0 20px 20px;font-size:14px}
.news-section{background:#eef1e9}
.news-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:18px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:var(--speed)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
.news-card:first-child{grid-row:span 2}
.news-card img{height:180px;width:100%;object-fit:cover}
.news-card:first-child img{height:260px}
.news-body{padding:21px}
.news-body time{font-size:12px;color:var(--coral)}
.news-body h3{font-size:18px;margin:9px 0}
.news-body p{font-size:14px;color:var(--muted);margin:0}
.cta-section{padding:74px 0;background:var(--deep);color:#fff}
.cta-panel{display:grid;grid-template-columns:1fr .92fr;gap:42px;align-items:center}
.cta-panel h2{font-size:clamp(28px,4vw,46px);line-height:1.18;margin:0 0 16px}
.cta-panel p{color:#cbd8cb;margin:0;max-width:570px}
.contact-form{background:#fff;border-radius:22px;padding:26px;color:var(--ink);box-shadow:var(--shadow)}
.form-label{font-size:13px;font-weight:700;margin-bottom:6px}
.form-control,.form-select{border:1px solid var(--line);border-radius:11px;padding:11px 13px;min-height:46px;background:#fbfcf8}
.form-control:focus,.form-select:focus{border-color:var(--mint-deep);box-shadow:0 0 0 .2rem rgba(184,231,95,.22)}
.form-note{font-size:12px;color:var(--muted);margin-top:11px}
footer{background:#101b16;color:#dce7d9;padding:58px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:32px}
.footer-brand{font-size:22px;font-weight:800;color:#fff}
footer p{color:#9faf9f;font-size:14px}
footer h3{font-size:14px;color:var(--mint);margin:0 0 15px}
footer a{display:block;color:#b9c7bd;font-size:13px;margin:8px 0;transition:var(--speed)}
footer a:hover{color:var(--mint)}
.footer-note{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:20px;color:#849487;font-size:12px}
.fixed-bar{position:fixed;bottom:0;left:0;right:0;z-index:999;background:rgba(23,37,31,.96);color:#fff;border-top:1px solid rgba(184,231,95,.25);padding:12px 0}
.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.fixed-inner p{margin:0;font-size:14px;color:#dce7d9}
.fixed-inner p b{color:var(--mint)}
.fixed-actions{display:flex;gap:10px}
.fixed-actions a{min-height:42px;padding:9px 18px;border-radius:10px;font-size:14px;font-weight:700}
.fixed-actions .light{background:var(--mint);color:var(--deep)}
.fixed-actions .dark{border:1px solid rgba(255,255,255,.3);color:#fff}
@media(max-width:1100px){
 .menu a{padding:9px 8px;font-size:13px}
 .brand{min-width:230px}
 .directory-item{grid-template-columns:55px 1fr 1fr 120px}
}
@media(max-width:820px){
 .header-side{display:none}
 .menu-toggle{display:block}
 .menu-wrap{display:none}
 .menu-wrap.open{display:block}
 .menu{display:grid;grid-template-columns:repeat(2,1fr);padding:12px 0 16px}
 .menu a{padding:11px 12px}
 .intro-panel,.scene-grid,.spec-grid,.cta-panel{grid-template-columns:1fr}
 .signal-bar{grid-template-columns:repeat(2,1fr)}
 .signal:nth-child(2){border-right:0}
 .signal:nth-child(-n+2){border-bottom:1px solid var(--line)}
 .cap-grid{grid-template-columns:repeat(2,1fr)}
 .cap-card:nth-child(2),.cap-card:nth-child(5){transform:none}
 .cap-card:nth-child(2):hover,.cap-card:nth-child(5):hover{transform:translateY(-4px)}
 .directory-item{grid-template-columns:55px 1fr}
 .directory-item .item-tags{grid-column:2}
 .directory-item .btn-outline-custom{grid-column:2;justify-self:start}
 .news-grid{grid-template-columns:1fr 1fr}
 .news-card:first-child{grid-row:auto}
 .news-card:first-child img{height:180px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
 body{font-size:15px;padding-bottom:118px}
 .container{width:min(var(--max),calc(100% - 28px))}
 .navrow{min-height:68px}
 .brand{min-width:0}
 .brand-name{font-size:15px}
 .brand-name small{font-size:10px}
 section{padding:62px 0}
 .page-intro{padding:36px 0 22px}
 .intro-copy h1{font-size:38px;letter-spacing:-1px}
 .intro-copy p{font-size:16px}
 .intro-image img{height:240px}
 .signal-bar{margin-top:28px}
 .signal{padding:16px 12px}
 .section-head{display:block;margin-bottom:24px}
 .section-head p{margin-top:14px}
 .directory-item{padding:18px 16px;gap:14px}
 .directory-item h3{font-size:18px}
 .flow{grid-template-columns:1fr 1fr}
 .flow-step{min-height:145px}
 .flow-step:not(:last-child):after{display:none}
 .cap-grid,.news-grid{grid-template-columns:1fr}
 .cap-card{min-height:0}
 .spec-panel{padding:22px 18px}
 .spec-row{grid-template-columns:112px 1fr;gap:10px}
 .footer-grid{grid-template-columns:1fr;gap:24px}
 .footer-note{line-height:1.9}
 .fixed-inner{display:block}
 .fixed-inner p{font-size:12px;margin-bottom:8px}
 .fixed-actions{display:grid;grid-template-columns:1fr 1fr}
 .fixed-actions a{text-align:center;padding:8px 10px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}