/* roulang page: index */
:root {
            --forest:#164A3A;
            --forest-deep:#0e3529;
            --lime:#C9F04A;
            --coral:#D96B4C;
            --warm:#F7F6F1;
            --surface:#fff;
            --soft:#EDF1EB;
            --ink:#202521;
            --muted:#667069;
            --line:#D7DDD5;
            --radius:7px;
            --shadow:0 8px 24px rgba(26,42,34,.08);
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--warm);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.78;padding-bottom:88px}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%;width:100%;object-fit:cover}
        button,input{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
        .container{width:min(1200px,calc(100% - 64px));margin-inline:auto}
        .section{padding:88px 0}
        .eyebrow{display:flex;align-items:center;gap:10px;color:var(--forest);font-size:13px;font-weight:700;letter-spacing:0}
        .eyebrow::before{content:"";width:28px;height:2px;background:var(--lime)}
        .section-title{font-size:clamp(28px,3.2vw,38px);line-height:1.22;font-weight:800;margin:12px 0 16px}
        .section-intro{max-width:680px;color:var(--muted);font-size:16px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:var(--radius);font-weight:700;transition:.2s ease}
        .btn-primary{background:var(--forest);color:#fff}
        .btn-primary:hover{background:var(--forest-deep);transform:translateY(-1px)}
        .btn-secondary{border-color:var(--forest);color:var(--forest);background:transparent}
        .btn-secondary:hover{background:#e7eee8;transform:translateY(-1px)}
        .site-header{height:78px;background:rgba(247,246,241,.98);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
        .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
        .brand{display:flex;align-items:center;gap:12px;min-width:245px;font-weight:800;color:var(--forest);font-size:16px;line-height:1.2}
        .brand-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--forest);color:var(--lime);border-radius:6px;font-size:13px}
        .desktop-nav{display:flex;align-items:center;gap:6px}
        .nav-link{padding:10px 13px;border-bottom:2px solid transparent;color:var(--muted);font-size:14px;font-weight:700}
        .nav-link:hover,.nav-link.active{color:var(--forest);border-bottom-color:var(--lime)}
        .nav-search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:6px;padding:0 12px;height:42px;color:var(--muted)}
        .nav-search input{border:0;outline:0;width:120px;background:transparent;font-size:13px}
        .mobile-menu-button{display:none;background:none;border:0;color:var(--forest)}
        .hero{min-height:70vh;display:flex;align-items:center;position:relative;overflow:hidden;background:#183b31 url('/images/og-japan-korea-video.jpg') center/cover no-repeat}
        .hero::before{content:"";position:absolute;inset:0;background:rgba(13,39,30,.76)}
        .hero-inner{position:relative;z-index:1;color:#fff;padding:80px 0}
        .hero-copy{max-width:760px}
        .hero .eyebrow{color:var(--lime)}
        .hero h1{font-size:clamp(34px,5vw,58px);line-height:1.18;margin:20px 0 22px;max-width:780px;font-weight:800}
        .hero p{max-width:680px;color:#e5eee7;font-size:17px;line-height:1.85}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
        .hero .btn-secondary{border-color:#dce9dc;color:#fff}
        .hero .btn-secondary:hover{background:rgba(255,255,255,.12)}
        .coupon-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
        .coupon{display:flex;align-items:center;gap:12px;padding:11px 15px;border-left:3px solid var(--lime);background:rgba(255,255,255,.1);font-size:13px;color:#edf6ee}
        .coupon strong{color:var(--lime);font-size:20px}
        .pain-strip{background:var(--forest);color:#fff;border-bottom:3px solid var(--lime)}
        .pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
        .pain-item{padding:24px 20px;border-right:1px solid rgba(255,255,255,.18);font-size:14px}
        .pain-item:last-child{border-right:0}
        .pain-item b{display:block;color:var(--lime);font-size:20px;margin-bottom:4px}
        .solution-grid{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:start}
        .feature-card,.mini-card,.quote-card,.info-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
        .feature-card{overflow:hidden}
        .feature-image{aspect-ratio:16/8;position:relative}
        .feature-image img{height:100%}
        .image-tag{position:absolute;top:14px;left:14px;background:var(--lime);color:var(--forest-deep);padding:3px 8px;border-radius:4px;font-size:12px;font-weight:800}
        .card-body{padding:22px}
        .card-meta{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:12px;margin-top:12px}
        .tag{display:inline-flex;align-items:center;padding:3px 8px;border:1px solid var(--line);border-radius:4px;color:var(--forest);font-size:12px;background:#fbfcfa}
        .tag.coral{color:#a8442c;border-color:#efc1b5;background:#fff8f5}
        .index-panel{border-left:1px solid var(--line);padding-left:26px}
        .index-panel h3{margin:0 0 12px;font-size:21px}
        .index-list{border-top:1px solid var(--line)}
        .index-item{display:flex;align-items:center;justify-content:space-between;padding:17px 0;border-bottom:1px solid var(--line);gap:14px}
        .index-item span:first-child{font-weight:700}
        .index-item small{color:var(--muted)}
        .mini-list{margin-top:24px;display:grid;gap:10px}
        .mini-card{display:grid;grid-template-columns:120px 1fr;overflow:hidden;box-shadow:none}
        .mini-card img{height:82px}
        .mini-card .card-body{padding:10px 13px}
        .mini-card h4{margin:0;font-size:15px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .stats{background:var(--soft);border-block:1px solid var(--line)}
        .stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
        .stat{padding:30px 22px;border-right:1px solid var(--line)}
        .stat:last-child{border:0}
        .stat strong{display:block;font-size:34px;line-height:1;color:var(--forest);margin-bottom:8px}
        .stat span{color:var(--muted);font-size:13px}
        .selected-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:18px}
        .selected-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s}
        .selected-card:hover{border-color:var(--forest);transform:translateY(-3px);box-shadow:var(--shadow)}
        .selected-card img{aspect-ratio:16/9}
        .selected-card .card-body{padding:16px}
        .selected-card h3{font-size:17px;line-height:1.45;margin:0 0 7px}
        .selected-card:first-child{grid-row:span 2}
        .selected-card:first-child img{height:100%;min-height:300px}
        .selected-card:first-child .card-body{margin-top:-112px;position:relative;background:linear-gradient(transparent,rgba(0,0,0,.88));color:#fff;padding-top:60px}
        .selected-card:first-child .card-meta{color:#e0e9e1}
        .testimonials{background:#fff}
        .quote-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:18px}
        .quote-card{padding:25px;box-shadow:none}
        .quote-card.primary{background:var(--forest);color:#fff;border-color:var(--forest)}
        .quote-card p{font-size:17px;line-height:1.75;margin:0 0 22px}
        .quote-card small{color:var(--muted)}
        .quote-card.primary small{color:#d9e8dc}
        .quote-mark{font-size:40px;line-height:1;color:var(--lime);font-weight:800}
        .cta{background:var(--forest);color:#fff;border-bottom:4px solid var(--lime)}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
        .cta h2{font-size:clamp(27px,3vw,36px);line-height:1.3;margin:0 0 10px}
        .cta p{margin:0;color:#dbe8de;max-width:650px}
        .faq-list{border-top:1px solid var(--line);margin-top:28px}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;border:0;background:none;padding:20px 0;font-weight:800;color:var(--ink)}
        .faq-question svg{transition:.2s;color:var(--forest)}
        .faq-answer{max-height:0;overflow:hidden;color:var(--muted);transition:max-height .22s ease}
        .faq-answer p{margin:0 0 20px;max-width:820px}
        .faq-item.open .faq-answer{max-height:160px}
        .faq-item.open .faq-question svg{transform:rotate(180deg)}
        .privacy-note{margin-top:30px;padding:18px 20px;background:var(--soft);border-left:3px solid var(--coral);color:var(--muted);font-size:13px}
        .site-footer{background:#102f25;color:#dce9df;padding:54px 0 30px}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
        .footer-brand{color:#fff;font-weight:800;font-size:17px}
        .footer-text{color:#b9cbbd;font-size:13px;max-width:420px;margin-top:14px}
        .footer-title{color:var(--lime);font-size:13px;font-weight:800;margin-bottom:13px}
        .footer-links{display:grid;gap:9px;color:#c3d2c7;font-size:13px}
        .footer-links a:hover{color:var(--lime)}
        .copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:20px;color:#9fb3a5;font-size:12px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
        .bottom-tabs{display:none}
        @media (max-width:900px){
            .container{width:min(100% - 48px,760px)}
            .desktop-nav{display:none}.mobile-menu-button{display:block}
            .nav-search{display:none}.brand{min-width:0}
            .solution-grid,.quote-grid,.selected-grid{grid-template-columns:1fr}
            .index-panel{border-left:0;padding-left:0}
            .selected-card:first-child{grid-row:auto}.selected-card:first-child img{height:auto;min-height:0}
            .selected-card:first-child .card-body{margin-top:0;background:#fff;color:var(--ink);padding-top:16px}
            .selected-card:first-child .card-meta{color:var(--muted)}
            .cta-inner{display:block}.cta .btn{margin-top:24px}
        }
        @media (max-width:640px){
            body{padding-bottom:82px}.container{width:calc(100% - 32px)}
            .section{padding:60px 0}.site-header,.nav-wrap{height:68px}
            .hero{min-height:66vh}.hero-inner{padding:62px 0}.hero h1{font-size:36px}
            .hero p{font-size:15px}.coupon-row{display:grid}
            .pain-grid{grid-template-columns:repeat(2,1fr)}
            .pain-item{padding:18px 12px;border-bottom:1px solid rgba(255,255,255,.18)}
            .pain-item:nth-child(2){border-right:0}.pain-item:nth-child(3),.pain-item:nth-child(4){border-bottom:0}
            .stats-grid{grid-template-columns:repeat(2,1fr)}
            .stat{padding:22px 14px;border-bottom:1px solid var(--line)}
            .stat:nth-child(2){border-right:0}.stat strong{font-size:28px}
            .mini-card{grid-template-columns:100px 1fr}.mini-card img{height:76px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}
            .bottom-tabs{position:fixed;display:grid;grid-template-columns:repeat(3,1fr);height:64px;padding-bottom:env(safe-area-inset-bottom);bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);z-index:40;box-shadow:0 -5px 18px rgba(20,40,30,.08)}
            .bottom-tab{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);font-size:11px;font-weight:700;border-top:3px solid transparent}
            .bottom-tab.active{color:var(--forest);border-top-color:var(--lime)}
            .bottom-tab svg{width:19px;height:19px}
        }
        @media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category2 */
:root{
      --forest:#164A3A;
      --forest-deep:#0e3529;
      --lime:#C9F04A;
      --coral:#D96B4C;
      --warm:#F7F6F1;
      --surface:#fff;
      --soft:#EDF1EB;
      --ink:#202521;
      --muted:#667069;
      --line:#D7DDD5;
      --radius:7px;
      --shadow:0 8px 24px rgba(26,42,34,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--warm);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.78;padding-bottom:88px}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;max-width:100%;object-fit:cover}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1200px,calc(100% - 64px));margin-inline:auto}
    .site-header{height:78px;background:rgba(247,246,241,.98);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:12px;min-width:245px;font-weight:800;color:var(--forest);font-size:16px;line-height:1.2}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--forest);color:var(--lime);border-radius:6px;font-size:13px}
    .desktop-nav{display:flex;align-items:center;gap:6px}
    .nav-link{padding:10px 13px;border-bottom:2px solid transparent;color:var(--muted);font-size:14px;font-weight:700}
    .nav-link:hover,.nav-link.active{color:var(--forest);border-bottom-color:var(--lime)}
    .nav-search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:6px;padding:0 12px;height:42px;color:var(--muted)}
    .nav-search input{border:0;outline:0;width:120px;background:transparent;font-size:13px}
    .mobile-menu-button{display:none;background:none;border:0;color:var(--forest)}
    .page-head{padding:72px 0 54px;background:var(--soft);border-bottom:1px solid var(--line)}
    .eyebrow{display:flex;align-items:center;gap:10px;color:var(--forest);font-size:13px;font-weight:700}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--coral)}
    .page-head h1{font-size:clamp(34px,5vw,54px);line-height:1.2;letter-spacing:0;font-weight:800;max-width:760px;margin:16px 0}
    .page-head p{max-width:720px;color:var(--muted);font-size:17px}
    .crumbs{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-top:26px}
    .crumbs a:hover{color:var(--forest)}
    .section{padding:76px 0}
    .section-title{font-size:clamp(28px,3.2vw,38px);line-height:1.22;font-weight:800;margin:10px 0 14px}
    .section-intro{max-width:680px;color:var(--muted);font-size:16px}
    .filter-bar{display:flex;align-items:end;gap:14px;flex-wrap:wrap;padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .filter-group{display:grid;gap:6px}
    .filter-group label{font-size:12px;font-weight:700;color:var(--muted)}
    .filter-group select{height:42px;min-width:142px;padding:0 12px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink);outline:none}
    .filter-group select:focus{border-color:var(--forest);box-shadow:0 0 0 3px rgba(201,240,74,.55)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:0 18px;border:1px solid transparent;border-radius:var(--radius);font-weight:700;transition:.2s ease}
    .btn-primary{background:var(--forest);color:#fff}
    .btn-primary:hover{background:var(--forest-deep);transform:translateY(-1px)}
    .btn-secondary{border-color:var(--forest);color:var(--forest);background:transparent}
    .btn-secondary:hover{background:#e7eee8;transform:translateY(-1px)}
    .btn:focus-visible,.nav-link:focus-visible,.mobile-menu-button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
    .update-strip{display:grid;grid-template-columns:1.3fr 1fr 1fr 40px;align-items:center;border:1px solid var(--line);background:#fff;border-radius:var(--radius);overflow:hidden;transition:.2s}
    .update-strip:hover{border-color:var(--forest);box-shadow:var(--shadow)}
    .update-strip>div{padding:17px 20px;border-right:1px solid var(--line)}
    .update-strip .number{font-size:24px;font-weight:800;color:var(--coral)}
    .update-strip h3{margin:0;font-size:16px;line-height:1.45}
    .update-strip small,.meta{color:var(--muted);font-size:12px}
    .arrow{border:0!important;text-align:center;color:var(--forest);font-size:23px}
    .video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .video-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s ease}
    .video-card:hover{border-color:var(--forest);transform:translateY(-3px);box-shadow:var(--shadow)}
    .thumb{aspect-ratio:16/9;position:relative;overflow:hidden;background:#dce4dd}
    .thumb img{height:100%;transition:transform .3s ease}
    .video-card:hover .thumb img{transform:scale(1.03)}
    .thumb-badge{position:absolute;left:11px;top:11px;background:var(--coral);color:#fff;padding:3px 8px;border-radius:4px;font-size:11px;font-weight:800}
    .duration{position:absolute;right:10px;bottom:10px;background:rgba(14,53,41,.9);color:#fff;padding:2px 7px;border-radius:4px;font-size:11px}
    .video-body{padding:16px}
    .video-body h3{margin:0 0 8px;font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .video-body h3:hover{color:var(--forest)}
    .tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
    .tag{display:inline-flex;align-items:center;padding:3px 8px;border:1px solid var(--line);border-radius:4px;color:var(--forest);font-size:12px;background:#fbfcfa}
    .tag.coral{color:#a8442c;border-color:#efc1b5;background:#fff8f5}
    .featured{display:grid;grid-template-columns:1.15fr 1fr;gap:28px;align-items:stretch}
    .featured-image{min-height:300px;position:relative;overflow:hidden;border-radius:var(--radius);background:#173c30}
    .featured-image img{height:100%}
    .featured-copy{padding:30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
    .featured-copy h2{font-size:30px;line-height:1.3;margin:12px 0}
    .faq-list{border-top:1px solid var(--line);margin-top:26px}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;padding:20px 0;border:0;background:none;font-weight:800;color:var(--ink)}
    .faq-question span:last-child{font-size:24px;color:var(--forest);transition:.2s}
    .faq-answer{max-height:0;overflow:hidden;color:var(--muted);transition:max-height .22s ease}
    .faq-answer p{margin:0 0 20px;max-width:800px}
    .faq-item.open .faq-answer{max-height:180px}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{background:var(--forest);color:#fff;border-bottom:4px solid var(--lime)}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:48px 0}
    .cta h2{font-size:30px;line-height:1.3;margin:0 0 8px}
    .cta p{margin:0;color:#d9e8dc}
    .site-footer{background:var(--warm);padding:58px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:42px}
    .footer-brand{font-size:19px;font-weight:800;color:var(--forest)}
    .footer-text{color:var(--muted);font-size:14px;max-width:470px}
    .footer-title{font-weight:800;margin-bottom:12px}
    .footer-links{display:grid;gap:7px;color:var(--muted);font-size:14px}
    .footer-links a:hover{color:var(--forest)}
    .copyright{border-top:1px solid var(--line);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:12px}
    .mobile-tabs{display:none}
    @media(max-width:1024px){
      .container{width:min(100% - 48px,900px)}
      .video-grid{grid-template-columns:repeat(2,1fr)}
      .featured{grid-template-columns:1fr 1fr}
      .brand{min-width:210px}
    }
    @media(max-width:768px){
      body{padding-bottom:84px}
      .container{width:calc(100% - 32px)}
      .site-header,.nav-wrap{height:68px}
      .desktop-nav,.nav-search{display:none}
      .mobile-menu-button{display:block}
      .brand{min-width:0;font-size:14px}
      .brand-mark{width:31px;height:31px;font-size:11px}
      .page-head{padding:52px 0 40px}
      .page-head p{font-size:16px}
      .section{padding:58px 0}
      .filter-bar{overflow-x:auto;flex-wrap:nowrap;align-items:end}
      .filter-group select{min-width:125px}
      .update-strip{grid-template-columns:42px 1fr 42px}
      .update-strip>div{padding:13px 12px}
      .update-strip>div:nth-child(3){display:none}
      .update-strip .number{font-size:20px}
      .featured{grid-template-columns:1fr;gap:16px}
      .featured-image{min-height:220px}
      .featured-copy{padding:22px}
      .featured-copy h2{font-size:25px}
      .cta-inner{display:block;padding:40px 0}
      .cta .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .copyright{display:grid}
      .mobile-tabs{position:fixed;display:grid;grid-template-columns:repeat(3,1fr);height:64px;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);z-index:40;padding-bottom:env(safe-area-inset-bottom)}
      .mobile-tabs a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);font-size:11px;font-weight:700;border-top:3px solid transparent}
      .mobile-tabs a.active{color:var(--forest);border-top-color:var(--lime)}
      .mobile-tabs svg{width:19px;height:19px}
    }
    @media(max-width:520px){
      .video-grid{grid-template-columns:1fr}
      .filter-bar{margin-inline:-2px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .page-head h1{font-size:35px}
      .update-strip .arrow{font-size:20px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category1 */
:root{
 --forest:#164A3A;--forest-deep:#0e3529;--lime:#C9F04A;--coral:#D96B4C;
 --warm:#F7F6F1;--surface:#fff;--soft:#EDF1EB;--ink:#202521;--muted:#667069;
 --line:#D7DDD5;--radius:7px;--shadow:0 8px 24px rgba(26,42,34,.08)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--warm);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.78;padding-bottom:88px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;max-width:100%;object-fit:cover}
button,input,select{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.container{width:min(1200px,calc(100% - 64px));margin-inline:auto}
.section{padding:88px 0}
.site-header{height:78px;background:rgba(247,246,241,.98);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:245px;font-weight:800;color:var(--forest);font-size:16px;line-height:1.2}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--forest);color:var(--lime);border-radius:6px;font-size:13px}
.desktop-nav{display:flex;align-items:center;gap:6px}
.nav-link{padding:10px 13px;border-bottom:2px solid transparent;color:var(--muted);font-size:14px;font-weight:700}
.nav-link:hover,.nav-link.active{color:var(--forest);border-bottom-color:var(--lime)}
.nav-search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:6px;padding:0 12px;height:42px;color:var(--muted)}
.nav-search input{border:0;outline:0;width:120px;background:transparent;font-size:13px}
.mobile-menu-button{display:none;background:none;border:0;color:var(--forest)}
.page-head{background:var(--soft);border-bottom:1px solid var(--line);padding:64px 0 48px}
.crumbs{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;margin-bottom:24px}
.crumbs a:hover{color:var(--forest)}
.page-head-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;align-items:end}
.eyebrow{display:flex;align-items:center;gap:10px;color:var(--forest);font-size:13px;font-weight:700}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--lime)}
.page-title{font-size:clamp(34px,5vw,54px);line-height:1.2;font-weight:800;margin:14px 0 18px}
.page-summary{max-width:700px;color:var(--muted);font-size:17px;margin:0}
.head-data{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.data-cell{padding:18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.55)}
.data-cell strong{display:block;color:var(--forest);font-size:28px;line-height:1.2}
.data-cell span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
.filter-bar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;box-shadow:var(--shadow)}
.filter-label{font-weight:800;color:var(--forest);font-size:14px;margin-right:4px}
.filter-button,.filter-select{height:38px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--muted);padding:0 12px;font-size:13px;transition:.2s ease}
.filter-button:hover,.filter-select:hover,.filter-button.active{border-color:var(--forest);color:var(--forest);background:#eef5ef}
.filter-button.active{box-shadow:inset 0 -3px 0 var(--lime)}
.content-section{padding:56px 0 96px}
.feature-layout{display:grid;grid-template-columns:1.45fr .55fr;gap:24px;align-items:stretch}
.video-feature,.video-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.22s ease}
.video-feature:hover,.video-card:hover{border-color:var(--forest);transform:translateY(-3px)}
.video-media{aspect-ratio:16/9;position:relative;overflow:hidden;background:#dfe5df}
.video-media img{height:100%;transition:transform .35s ease}
.video-feature:hover img,.video-card:hover img{transform:scale(1.03)}
.media-badge{position:absolute;top:13px;left:13px;background:var(--lime);color:var(--forest-deep);border-radius:4px;padding:3px 8px;font-size:12px;font-weight:800}
.media-duration{position:absolute;right:12px;bottom:12px;background:rgba(20,32,25,.85);color:#fff;border-radius:4px;padding:3px 7px;font-size:12px}
.video-copy{padding:22px}
.video-copy h2,.video-copy h3{margin:0;color:var(--ink);line-height:1.35;font-size:22px}
.video-copy p{color:var(--muted);font-size:14px;margin:10px 0 14px}
.meta-line{display:flex;align-items:center;gap:9px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.meta-line .tag{color:var(--forest);border:1px solid var(--line);background:#fbfcfa;padding:2px 7px;border-radius:4px}
.meta-line .tag.coral{color:#a8442c;border-color:#efc1b5;background:#fff8f5}
.feature-side{background:var(--forest);color:#fff;border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;justify-content:space-between}
.feature-side h2{font-size:22px;line-height:1.35;margin:0 0 18px}
.feature-side p{color:#dbe9de;font-size:14px;margin:0}
.side-list{margin-top:24px;border-top:1px solid rgba(255,255,255,.2)}
.side-list a{display:flex;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.2);font-size:14px}
.side-list a:hover{color:var(--lime)}
.side-list small{color:#b7cdbd;white-space:nowrap}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin:60px 0 22px}
.section-heading h2{font-size:30px;line-height:1.25;margin:0;font-weight:800}
.section-heading p{color:var(--muted);font-size:14px;margin:0}
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.video-card .video-copy{padding:16px}
.video-card h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:49px}
.video-card .meta-line{margin-top:9px}
.video-card .video-media{aspect-ratio:16/9}
.pagination{display:flex;justify-content:center;align-items:center;gap:7px;margin-top:42px}
.page-number{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);background:#fff;border-radius:5px;color:var(--muted);font-size:14px;font-weight:700}
.page-number:hover,.page-number.current{background:var(--lime);color:var(--forest-deep);border-color:var(--lime)}
.page-number.next{width:auto;padding:0 15px}
.faq-section{background:#fff;border-top:1px solid var(--line);padding:80px 0}
.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
.faq-layout h2{font-size:32px;line-height:1.25;margin:12px 0}
.faq-layout>div>p{color:var(--muted);font-size:15px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;background:none;border:0;text-align:left;color:var(--ink);font-weight:800}
.faq-question svg{flex:none;color:var(--forest);transition:transform .2s ease}
.faq-item.open .faq-question svg{transform:rotate(180deg)}
.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 34px 20px 0}
.faq-item.open .faq-answer{display:block}
.cta{background:var(--forest);color:#fff;border-bottom:4px solid var(--lime)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:48px 0}
.cta h2{font-size:30px;line-height:1.3;margin:0 0 8px}
.cta p{margin:0;color:#dce9df;font-size:15px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:var(--radius);font-weight:700;transition:.2s ease}
.btn-primary{background:var(--forest);color:#fff}
.btn-primary:hover{background:var(--forest-deep);transform:translateY(-1px)}
.btn-secondary{border-color:var(--forest);color:var(--forest);background:transparent}
.btn-secondary:hover{background:#e7eee8;transform:translateY(-1px)}
.cta .btn-primary{background:var(--lime);color:var(--forest-deep)}
.cta .btn-primary:hover{background:#d9fa6a}
.cta .btn-secondary{border-color:#dce9dc;color:#fff}
.cta .btn-secondary:hover{background:rgba(255,255,255,.12)}
.cta-actions{display:flex;flex-wrap:wrap;gap:10px;flex:none}
.site-footer{background:var(--warm);padding:54px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr .7fr .9fr;gap:48px;padding-bottom:38px}
.footer-brand{color:var(--forest);font-size:18px;font-weight:800}
.footer-text{color:var(--muted);font-size:14px;max-width:420px;margin:13px 0 0}
.footer-title{color:var(--forest);font-size:14px;font-weight:800;margin-bottom:12px}
.footer-links{display:grid;gap:7px;color:var(--muted);font-size:13px}
.footer-links a:hover{color:var(--forest)}
.copyright{border-top:1px solid var(--line);padding-top:19px;display:flex;justify-content:space-between;gap:18px;color:var(--muted);font-size:12px}
.mobile-tab{display:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:1024px){
 .container{width:min(100% - 48px,900px)}
 .page-head-grid{grid-template-columns:1fr;gap:30px}
 .feature-layout{grid-template-columns:1fr}
 .feature-side{min-height:260px}
 .video-grid{grid-template-columns:repeat(3,1fr)}
 .footer-grid{gap:28px}
}
@media(max-width:768px){
 body{padding-bottom:78px}
 .container{width:calc(100% - 32px)}
 .site-header,.nav-wrap{height:68px}
 .brand{min-width:0;font-size:14px}
 .brand-mark{width:31px;height:31px;font-size:11px}
 .desktop-nav{display:none}
 .nav-search{margin-left:auto;width:42px;padding:0;justify-content:center;border:0;background:transparent}
 .nav-search input{display:none}
 .mobile-menu-button{display:block}
 .page-head{padding:42px 0 36px}
 .page-title{font-size:37px}
 .page-summary{font-size:15px}
 .section-heading{align-items:start;flex-direction:column;margin-top:46px}
 .section-heading h2{font-size:27px}
 .content-section{padding:38px 0 70px}
 .video-grid{grid-template-columns:repeat(2,1fr);gap:14px}
 .video-card h3{font-size:16px}
 .faq-section{padding:58px 0}
 .faq-layout{grid-template-columns:1fr;gap:28px}
 .cta-inner{align-items:flex-start;flex-direction:column;padding:40px 0}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .footer-grid>div:first-child{grid-column:1/-1}
 .copyright{flex-direction:column;gap:5px}
 .mobile-tab{position:fixed;display:grid;grid-template-columns:repeat(3,1fr);bottom:0;left:0;right:0;height:calc(64px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);z-index:40}
 .mobile-tab a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);font-size:11px;border-top:3px solid transparent}
 .mobile-tab a.active{color:var(--forest);border-top-color:var(--lime);font-weight:800}
 .mobile-tab svg{width:19px;height:19px}
}
@media(max-width:520px){
 .filter-bar{align-items:stretch;overflow-x:auto;flex-wrap:nowrap;padding:11px}
 .filter-label{white-space:nowrap;display:flex;align-items:center}
 .filter-button,.filter-select{white-space:nowrap}
 .head-data{grid-template-columns:repeat(2,1fr)}
 .data-cell{padding:14px 12px}
 .data-cell strong{font-size:23px}
 .feature-side{padding:20px}
 .video-grid{grid-template-columns:1fr}
 .video-card .video-media{aspect-ratio:16/9}
 .cta h2{font-size:26px}
 .footer-grid{grid-template-columns:1fr}
 .footer-grid>div:first-child{grid-column:auto}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}