/* roulang page: index */
:root {
    --color-bg: #F7F8F4;
    --color-surface: #FFFFFF;
    --color-primary: #157A3B;
    --color-primary-dark: #0E5027;
    --color-primary-light: #E4F2E4;
    --color-accent: #F2A13B;
    --color-text: #1F241F;
    --color-text-soft: #5D6B5C;
    --color-border: #DCE7DC;
    --color-border-deep: #C8D8C8;
    --color-deep-green: #0D3D23;
    --radius-card: 20px;
    --radius-medium: 16px;
    --shadow-card: 0 10px 30px rgba(21, 122, 59, 0.07);
    --shadow-hover: 0 18px 40px rgba(21, 122, 59, 0.12);
    --max-width: 1200px;
    --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{margin:0;padding:0;scroll-behavior:smooth}
body{
    margin:0;padding:0;
    font-family: var(--font-main);
    background:var(--color-bg);
    color:var(--color-text);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--color-primary);text-decoration:none;transition:color .2s ease, background .2s ease, border-color .2s ease}
p{margin:0}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.25;color:#17251B}
button,input,select,textarea{font-family:inherit;font-size:1rem}
button{cursor:pointer;border:none;background:none}
ul,ol{margin:0;padding:0;list-style:none}

:focus-visible{
    outline:3px solid rgba(242,161,59,.55);
    outline-offset:3px;
    border-radius:6px;
}

.container{
    max-width:var(--max-width);
    margin:0 auto;
    padding-left:24px;
    padding-right:24px;
}
.grid-container{
    max-width:var(--max-width);
}

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:48px;
    padding:0 30px;
    border-radius:999px;
    font-weight:700;
    font-size:1rem;
    line-height:1;
    border:2px solid transparent;
    transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
    text-decoration:none;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}

.btn-amber{
    background:var(--color-accent);
    color:#3A2601;
    box-shadow:0 8px 24px rgba(242,161,59,.3);
}
.btn-amber:hover{
    background:#F5B45C;
    color:#251800;
    box-shadow:0 14px 30px rgba(242,161,59,.38);
}

.btn-primary{
    background:var(--color-primary);
    color:#FFFFFF;
    box-shadow:0 8px 24px rgba(21,122,59,.2);
}
.btn-primary:hover{
    background:var(--color-primary-dark);
    color:#FFFFFF;
}

.btn-white{
    background:#FFFFFF;
    color:var(--color-primary-dark);
}
.btn-white:hover{background:#F1FAF2;color:var(--color-primary-dark)}

.btn-outline-light{
    background:transparent;
    border-color:rgba(255,255,255,.85);
    color:#FFFFFF;
}
.btn-outline-light:hover{
    background:rgba(255,255,255,.14);
    border-color:#FFFFFF;
    color:#FFFFFF;
}

.btn-sm{
    min-height:44px;
    padding:0 20px;
    font-size:.95rem;
}

.site-header{
    position:sticky;
    top:0;
    z-index:100;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(220,231,220,.7);
    transition:box-shadow .2s ease;
}
.site-header.is-scrolled{
    box-shadow:0 10px 36px rgba(21,122,59,.08);
}
.site-header-inner{
    max-width:var(--max-width);
    margin:0 auto;
    display:flex;
    align-items:center;
    gap:20px;
    height:78px;
    padding:0 24px;
}

.brand{
    display:inline-flex;
    align-items:center;
    gap:12px;
    flex-shrink:0;
}
.logo-mark{
    width:44px;
    height:44px;
    border-radius:50%;
    background:
        radial-gradient(circle at 30% 25%, #FFFFFF 0 8%, transparent 8%),
        radial-gradient(circle at 50% 45%, #FFFFFF 0 2%, transparent 2%),
        radial-gradient(circle at 60% 70%, #FFFFFF 0 6%, transparent 6%),
        radial-gradient(ellipse at center, #5BB878 0%, var(--color-primary) 62%, var(--color-primary-dark) 100%);
    box-shadow:0 4px 14px rgba(21,122,59,.28);
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:800;
    color:#FFFFFF;
    font-size:20px;
    letter-spacing:0;
}
.logo-mark i{
    font-size:18px;
    color:#FFFFFF;
    text-shadow:0 2px 6px rgba(14,80,39,.4);
}
.brand-name{
    display:flex;
    flex-direction:column;
    line-height:1.15;
}
.brand-name strong{
    color:#12351E;
    font-size:1.18rem;
    font-weight:800;
    letter-spacing:.02em;
}
.brand-name span{
    font-size:.7rem;
    color:var(--color-primary);
    font-weight:700;
    letter-spacing:.22em;
    text-transform:uppercase;
    margin-top:2px;
}

.menu-toggle{
    display:none;
    width:44px;
    height:44px;
    align-items:center;
    justify-content:center;
    border-radius:12px;
    background:var(--color-primary-light);
    color:var(--color-primary-dark);
    font-size:1.25rem;
    flex-shrink:0;
}

.main-nav{
    flex:1;
    display:flex;
    justify-content:center;
    align-items:center;
}
.main-nav ul{
    display:flex;
    align-items:center;
    gap:6px;
}
.nav-item{
    margin:0;
}
.nav-link{
    display:block;
    padding:10px 16px;
    border-radius:999px;
    color:#1F3C28;
    font-weight:600;
    font-size:.98rem;
    white-space:nowrap;
}
.nav-link:hover{
    background:var(--color-primary-light);
    color:var(--color-primary-dark);
}
.nav-link.active{
    background:var(--color-primary-light);
    color:var(--color-primary-dark);
    font-weight:700;
}
.nav-cta-mobile{
    display:none;
}

.header-entry{
    flex-shrink:0;
    margin-left:auto;
}

.hero{
    position:relative;
    background-color:var(--color-primary-dark);
    overflow:hidden;
    padding:128px 0 168px;
}
.hero-bg{
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
}
.hero-overlay{
    position:absolute;
    inset:0;
    background:linear-gradient(105deg, rgba(6,43,22,.94) 0%, rgba(14,80,39,.82) 44%, rgba(13,61,35,.28) 100%);
}
.hero-content{
    position:relative;
    z-index:2;
    max-width:780px;
}
.hero-kicker{
    display:inline-flex;
    align-items:center;
    gap:10px;
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.22);
    color:#EAF6EB;
    border-radius:999px;
    padding:8px 16px;
    font-size:.9rem;
    font-weight:600;
    margin-bottom:26px;
    backdrop-filter:blur(6px);
}
.hero h1{
    color:#FFFFFF;
    font-size:clamp(2.2rem, 5vw, 3.6rem);
    line-height:1.22;
    letter-spacing:.01em;
    text-shadow:0 8px 30px rgba(0,0,0,.2);
}
.hero-sub{
    margin-top:26px;
    color:#E5F1E6;
    font-size:1.08rem;
    line-height:1.85;
    max-width:680px;
}
.hero-meta{
    margin-top:12px;
    color:rgba(255,255,255,.78);
    font-size:.95rem;
}
.hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:16px;
    margin-top:38px;
}

.quickbar{
    position:relative;
    z-index:20;
    max-width:calc(var(--max-width) - 12px);
    margin:-72px auto 0;
    padding:0 24px;
}
.quickbar-panel{
    background:var(--color-surface);
    border:1px solid rgba(224,234,223,.9);
    border-radius:var(--radius-card);
    box-shadow:0 20px 50px rgba(21,122,59,.12);
    padding:26px 24px;
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:14px;
}
.quick-card{
    display:flex;
    align-items:center;
    gap:14px;
    padding:16px 16px;
    border-radius:var(--radius-medium);
    background:#F8FBF7;
    border:1px solid rgba(220,231,220,.6);
    transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.quick-card:hover{
    transform:translateY(-4px);
    border-color:var(--color-primary);
    box-shadow:0 12px 24px rgba(21,122,59,.1);
    background:#FFFFFF;
}
.quick-icon{
    width:46px;
    height:46px;
    flex-shrink:0;
    border-radius:14px;
    background:var(--color-primary-light);
    color:var(--color-primary-dark);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:1.15rem;
}
.quick-card:nth-child(2) .quick-icon{
    background:#FFF1E0;
    color:#A35E00;
}
.quick-text strong{
    display:block;
    color:#17251B;
    font-size:.98rem;
    line-height:1.3;
}
.quick-text span{
    color:var(--color-text-soft);
    font-size:.8rem;
    line-height:1.4;
}

.section{
    padding:88px 0;
}
.section-alt{
    background:#FFFFFF;
    border-top:1px solid var(--color-border);
    border-bottom:1px solid var(--color-border);
}
.section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:30px;
    margin-bottom:38px;
}
.section-label{
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:var(--color-primary);
    font-weight:800;
    font-size:.85rem;
    letter-spacing:.14em;
    margin-bottom:12px;
}
.section-label::before{
    content:"";
    width:22px;
    height:3px;
    border-radius:20px;
    background:var(--color-accent);
}
.section-head h2{
    font-size:clamp(1.7rem, 3.2vw, 2.35rem);
    color:#10281A;
}
.section-desc{
    margin-top:14px;
    color:var(--color-text-soft);
    max-width:560px;
    font-size:1rem;
}
.section-link{
    flex-shrink:0;
    font-weight:600;
}

.story-layout .cell{
    padding-left:24px;
    padding-right:24px;
}
.story-copy{
    padding-right:46px;
}
.story-copy h2{
    font-size:clamp(1.8rem, 3vw, 2.4rem);
    color:#10281A;
    line-height:1.3;
}
.story-copy p{
    margin-top:20px;
    color:#3E4D41;
}
.story-tags{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:24px;
}
.tag{
    display:inline-flex;
    align-items:center;
    padding:7px 15px;
    border-radius:999px;
    background:var(--color-primary-light);
    color:var(--color-primary-dark);
    font-size:.87rem;
    font-weight:600;
}
.story-media{
    position:relative;
}
.story-media img{
    border:1px solid var(--color-border);
    border-radius:26px;
    width:100%;
    height:420px;
    object-fit:cover;
    box-shadow:0 26px 60px rgba(21,122,59,.14);
}
.story-media-note{
    position:absolute;
    left:20px;
    bottom:20px;
    background:rgba(255,255,255,.94);
    border-radius:14px;
    padding:12px 16px;
    box-shadow:0 12px 30px rgba(0,0,0,.12);
    font-size:.9rem;
    color:var(--color-primary-dark);
    font-weight:600;
    display:flex;
    align-items:center;
    gap:8px;
}

.feature-grid{
    display:grid;
    grid-template-columns:repeat(12,1fr);
    gap:24px;
    margin-top:16px;
}
.feature-card{
    grid-column:span 6;
    background:var(--color-surface);
    border:1px solid rgba(224,234,223,.9);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-card);
    transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.feature-card-lg{
    grid-column:span 7;
}
.feature-card-panel{
    grid-column:span 5;
}
.feature-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hover);
    border-color:var(--color-primary);
}
.feature-card-inner{
    padding:27px 27px 29px;
    display:flex;
    flex-direction:column;
    height:100%;
}
.feature-card-lg .feature-card-media{
    height:180px;
    overflow:hidden;
}
.feature-card-media img{
    width:100%;
    height:100%;
    object-fit:cover;
}
.feature-icon{
    width:50px;
    height:50px;
    border-radius:16px;
    background:var(--color-primary-light);
    color:var(--color-primary-dark);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:1.2rem;
    margin-bottom:18px;
}
.feature-icon.orange{
    background:#FFF1E0;
    color:#A35E00;
}
.feature-card h3{
    font-size:1.18rem;
    color:#10281A;
    margin-bottom:10px;
}
.feature-card .card-desc{
    color:var(--color-text-soft);
    font-size:.97rem;
}
.feature-list{
    margin-top:16px;
    display:grid;
    gap:11px;
}
.feature-list li{
    display:flex;
    gap:11px;
    align-items:flex-start;
    color:#334038;
    font-size:.96rem;
}
.feature-list li i{
    color:var(--color-primary);
    margin-top:6px;
}
.card-link{
    margin-top:auto;
    padding-top:22px;
    font-weight:700;
    color:var(--color-primary);
    display:inline-flex;
    align-items:center;
    gap:8px;
}

.news-section{
    background:#F2F6F0;
    padding:92px 0;
}
.news-layout{
    display:grid;
    grid-template-columns:repeat(12,1fr);
    gap:22px;
    align-items:start;
}
.news-feature{
    grid-column:span 7;
    background:var(--color-surface);
    border:1px solid rgba(224,234,223,.9);
    border-radius:var(--radius-card);
    padding:28px;
    box-shadow:var(--shadow-card);
    display:block;
    transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.news-feature:hover{
    transform:translateY(-4px);
    border-color:var(--color-primary);
    box-shadow:var(--shadow-hover);
}
.news-topline{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    margin-bottom:20px;
}
.badge{
    display:inline-flex;
    align-items:center;
    background:var(--color-primary-light);
    color:var(--color-primary-dark);
    font-size:.82rem;
    font-weight:700;
    border-radius:999px;
    padding:6px 14px;
}
.badge.orange{
    background:#FFF1E0;
    color:#A35E00;
}
.news-date{
    color:var(--color-text-soft);
    font-size:.87rem;
}
.news-feature h3{
    font-size:1.35rem;
    color:#10281A;
    margin-bottom:10px;
}
.news-feature .news-summary{
    color:var(--color-text-soft);
    font-size:.99rem;
    display:-webkit-box;
    -webkit-line-clamp:3;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.news-more{
    display:inline-flex;
    align-items:center;
    gap:8px;
    margin-top:20px;
    color:var(--color-primary);
    font-weight:700;
}
.news-list{
    grid-column:span 5;
    display:grid;
    gap:14px;
}
.news-row{
    background:var(--color-surface);
    border:1px solid rgba(224,234,223,.9);
    border-radius:var(--radius-medium);
    padding:18px 18px 18px 20px;
    display:grid;
    grid-template-columns:auto 1fr auto;
    align-items:center;
    gap:14px;
    transition:border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.news-row:hover{
    border-color:var(--color-primary);
    box-shadow:0 10px 24px rgba(21,122,59,.08);
    transform:translateY(-2px);
}
.news-row .badge{
    min-width:52px;
    justify-content:center;
}
.news-row-main{
    min-width:0;
}
.news-row-main strong{
    display:block;
    font-size:.99rem;
    color:#17251B;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
    line-height:1.4;
}
.news-row-main span{
    display:block;
    color:var(--color-text-soft);
    font-size:.84rem;
    margin-top:4px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
}
.news-row time{
    color:#7A897A;
    font-size:.82rem;
    font-variant-numeric:tabular-nums;
    white-space:nowrap;
}
.news-row i{
    color:var(--color-primary);
    margin-left:2px;
}

.empty-state{
    grid-column:1/-1;
    background:var(--color-surface);
    border:1px dashed var(--color-border-deep);
    border-radius:var(--radius-card);
    text-align:center;
    padding:58px 24px;
    color:var(--color-text-soft);
}
.empty-state i{
    font-size:2.2rem;
    color:#9CAF9C;
    display:block;
    margin-bottom:14px;
}
.empty-state p{
    font-size:1.02rem;
    margin-bottom:18px;
}

.trust-section{
    background:#FFFFFF;
    padding:92px 0;
}
.trust-head{
    text-align:center;
    max-width:680px;
    margin:0 auto 42px;
}
.trust-head .section-label{
    justify-content:center;
}
.trust-head .section-label::before{
    display:none;
}
.trust-head h2{
    font-size:clamp(1.7rem, 3vw, 2.3rem);
}
.trust-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
}
.trust-card{
    background:#F7FAF6;
    border:1px solid rgba(220,231,220,.8);
    border-radius:var(--radius-card);
    padding:28px 24px;
    text-align:center;
    transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.trust-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hover);
    border-color:var(--color-primary);
}
.trust-card-icon{
    width:60px;
    height:60px;
    border-radius:18px;
    margin:0 auto 18px;
    background:var(--color-primary-light);
    color:var(--color-primary-dark);
    font-size:1.4rem;
    display:flex;
    align-items:center;
    justify-content:center;
}
.trust-card h3{
    font-size:1rem;
    margin-bottom:8px;
}
.trust-card p{
    color:var(--color-text-soft);
    font-size:.92rem;
}
.trust-note{
    margin-top:32px;
    background:var(--color-primary-light);
    color:var(--color-primary-dark);
    border-radius:var(--radius-medium);
    padding:16px 22px;
    display:flex;
    align-items:center;
    gap:12px;
    font-size:.96rem;
    font-weight:600;
}

.faq-section{
    padding:88px 0;
}
.faq-wrap{
    max-width:920px;
    margin:0 auto;
}
.faq-item{
    background:#FFFFFF;
    border:1px solid rgba(224,234,223,.9);
    border-radius:var(--radius-card);
    margin-bottom:16px;
    overflow:hidden;
    transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item.is-active{
    border-color:var(--color-primary);
    box-shadow:0 14px 34px rgba(21,122,59,.09);
}
.faq-question{
    width:100%;
    min-height:56px;
    padding:18px 24px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    text-align:left;
    background:transparent;
    font-weight:700;
    color:#17251B;
    font-size:1.02rem;
}
.faq-question .faq-arrow{
    flex-shrink:0;
    width:28px;
    height:28px;
    border-radius:50%;
    background:var(--color-primary-light);
    color:var(--color-primary-dark);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:.9rem;
    transition:transform .25s ease, background .25s ease;
}
.faq-item.is-active .faq-arrow{
    transform:rotate(45deg);
    background:var(--color-primary);
    color:#FFFFFF;
}
.faq-panel{
    max-height:0;
    overflow:hidden;
    transition:max-height .3s ease;
}
.faq-answer{
    padding:0 26px 22px;
    color:#445149;
    line-height:1.9;
    font-size:.98rem;
}

.cta-section{
    padding:20px 0 96px;
}
.cta-block{
    position:relative;
    background:
        radial-gradient(circle at 82% 20%, rgba(242,161,59,.28) 0 8%, transparent 8%),
        radial-gradient(circle at 78% 23%, rgba(255,255,255,.12) 0 4%, transparent 4%),
        radial-gradient(circle at 88% 84%, rgba(255,255,255,.08) 0 22%, transparent 22%),
        linear-gradient(112deg, #0E5027 0%, #1D8348 72%, #157A3B 100%);
    border-radius:28px;
    color:#FFFFFF;
    padding:62px 60px;
    overflow:hidden;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:36px;
    box-shadow:0 32px 80px rgba(21,122,59,.25);
}
.cta-block h2{
    color:#FFFFFF;
    font-size:clamp(1.7rem, 3vw, 2.3rem);
    line-height:1.4;
}
.cta-block .cta-text{
    color:#EAF6EB;
    margin-top:14px;
    max-width:640px;
    font-size:1.02rem;
}
.cta-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    flex-shrink:0;
}

.site-footer{
    background:var(--color-deep-green);
    color:#D6E6D6;
    padding-top:64px;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.8fr 1fr 1fr 1.6fr;
    gap:46px;
    padding-bottom:46px;
}
.footer-brand .brand-name strong{
    color:#FFFFFF;
}
.footer-brand .brand-name span{
    color:#9ECDA9;
}
.footer-brand p{
    margin-top:20px;
    font-size:.92rem;
    color:#C3DAC6;
    max-width:340px;
    line-height:1.8;
}
.footer-col h4{
    color:#FFFFFF;
    font-size:1rem;
    margin-bottom:18px;
}
.footer-col ul li{
    margin-bottom:10px;
}
.footer-col a{
    color:#C3DAC6;
    font-size:.93rem;
    transition:color .2s ease;
}
.footer-col a:hover{
    color:#FFFFFF;
    text-decoration:underline;
    text-underline-offset:4px;
}
.footer-safety{
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.08);
    border-radius:14px;
    padding:14px 16px;
    font-size:.86rem;
    color:#CDE1D0;
    line-height:1.7;
    margin-top:6px;
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);
    padding:24px 0;
    font-size:.86rem;
    color:#A5C0AA;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    flex-wrap:wrap;
}

@media (max-width:1024px){
    .quickbar-panel{
        grid-template-columns:repeat(3,1fr);
    }
    .trust-grid{
        grid-template-columns:repeat(2,1fr);
    }
    .footer-grid{
        grid-template-columns:1fr 1fr;
        gap:40px;
    }
    .feature-grid{
        grid-template-columns:repeat(2,1fr);
    }
    .feature-card,.feature-card-lg,.feature-card-panel{
        grid-column:span 1;
    }
    .menu-toggle{
        display:inline-flex;
    }
    .main-nav{
        position:absolute;
        top:calc(100% + 8px);
        left:24px;
        right:24px;
        background:#FFFFFF;
        border:1px solid var(--color-border);
        border-radius:20px;
        box-shadow:0 24px 60px rgba(21,122,59,.18);
        padding:16px;
        display:none;
        max-width:calc(100% - 48px);
    }
    .main-nav.is-open{
        display:block;
        animation:menuFade .2s ease;
    }
    .main-nav ul{
        flex-direction:column;
        align-items:stretch;
        gap:4px;
    }
    .main-nav .nav-link{
        padding:13px 16px;
        border-radius:14px;
    }
    .nav-cta-mobile{
        display:block;
        padding-top:12px;
        margin-top:6px;
        border-top:1px solid var(--color-border);
    }
    .header-entry{
        display:none;
    }
}
@keyframes menuFade{
    from{opacity:0;transform:translateY(-8px)}
    to{opacity:1;transform:translateY(0)}
}

@media (max-width:768px){
    .section{
        padding:64px 0;
    }
    .news-section{
        padding:64px 0;
    }
    .hero{
        padding:100px 0 150px;
    }
    .hero h1{
        font-size:clamp(1.9rem, 6vw, 2.7rem);
    }
    .hero-actions .btn{
        min-width:160px;
    }
    .story-copy{
        padding-right:0;
        margin-bottom:30px;
    }
    .story-media img{
        height:320px;
    }
    .news-layout{
        grid-template-columns:1fr;
    }
    .news-feature,.news-list{
        grid-column:span 1;
    }
    .cta-block{
        padding:40px 30px;
    }
    .footer-grid{
        grid-template-columns:1fr;
        gap:34px;
        padding-bottom:34px;
    }
}

@media (max-width:520px){
    .container,.site-header-inner,.quickbar{
        padding-left:16px;
        padding-right:16px;
    }
    .section-head{
        flex-direction:column;
        align-items:flex-start;
        gap:14px;
    }
    .quickbar-panel{
        grid-template-columns:repeat(2,1fr);
        padding:18px 14px;
    }
    .quick-card{
        padding:13px;
        gap:10px;
    }
    .feature-grid{
        grid-template-columns:1fr;
    }
    .feature-card,.feature-card-lg,.feature-card-panel{
        grid-column:span 1;
    }
    .trust-grid{
        grid-template-columns:1fr;
    }
    .footer-bottom{
        flex-direction:column;
        align-items:flex-start;
    }
    .news-row{
        grid-template-columns:1fr;
        gap:6px;
    }
    .news-row time{
        text-align:right;
    }
    .brand-name strong{
        font-size:1.02rem;
    }
    .brand-name span{
        font-size:.62rem;
    }
    .hero-actions .btn{
        width:100%;
        margin-bottom:4px;
    }
}

/* roulang page: article */
:root {
            --page-bg: #F7F8F4;
            --surface: #FFFFFF;
            --primary: #157A3B;
            --primary-dark: #0E5027;
            --primary-soft: #E4F2E4;
            --accent: #F2A13B;
            --accent-hover: #D98A26;
            --text: #1F241F;
            --text-muted: #5D6B5C;
            --line: #DCE7DC;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 10px 28px rgba(21, 122, 59, .08);
            --shadow-float: 0 16px 38px rgba(21, 122, 59, .14);
            --transition: all .2s ease;
            --container: 1200px;
            --footer-bg: #0D3D23;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            background: var(--page-bg);
            color: var(--text);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        ul,
        ol,
        p,
        figure,
        blockquote,
        pre {
            margin: 0 0 1em;
            padding: 0;
        }

        button,
        input,
        select,
        textarea {
            font: inherit;
        }

        .container {
            max-width: var(--container);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
            background: rgba(255, 255, 255, .94);
            backdrop-filter: blur(6px);
            border-bottom: 1px solid rgba(220, 231, 220, .86);
            transition: box-shadow .25s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 8px 26px rgba(14, 80, 39, .08);
        }

        .site-header-inner {
            max-width: var(--container);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 74px;
            padding: 0 24px;
            gap: 22px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #1E9550, #0E5027);
            color: #fff;
            font-size: 21px;
            border-radius: 14px;
            box-shadow: 0 5px 14px rgba(21, 122, 59, .24);
        }

        .brand-name {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-name strong {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: .5px;
            color: var(--primary-dark);
        }

        .brand-name span {
            margin-top: 4px;
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 2px;
            font-weight: 500;
        }

        .main-nav ul {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
        }

        .main-nav .nav-link {
            display: inline-block;
            padding: 9px 15px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            position: relative;
        }

        .main-nav .nav-link:hover {
            background: var(--primary-soft);
            color: var(--primary-dark);
        }

        .main-nav .nav-link.active {
            color: var(--primary-dark);
            background: var(--primary-soft);
        }

        .nav-cta-mobile {
            display: none;
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--line);
            background: #fff;
            border-radius: 12px;
            color: var(--primary-dark);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        .menu-toggle:focus-visible,
        .btn:focus-visible,
        .nav-link:focus-visible,
        .footer-col a:focus-visible {
            outline: 3px solid rgba(242, 161, 59, .6);
            outline-offset: 3px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1px solid transparent;
            min-height: 48px;
            padding: 0 24px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all .22s ease;
            text-align: center;
            white-space: nowrap;
        }

        .btn-amber {
            background: var(--accent);
            color: #241A0A;
            border-color: var(--accent);
            box-shadow: 0 6px 18px rgba(242, 161, 59, .32);
        }

        .btn-amber:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(217, 138, 38, .32);
        }

        .btn-green {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 6px 16px rgba(21, 122, 59, .26);
        }

        .btn-green:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-white {
            background: #fff;
            color: var(--primary-dark);
            border-color: #fff;
        }

        .btn-white:hover {
            background: var(--primary-soft);
            border-color: var(--primary-soft);
        }

        .btn-sm {
            min-height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

        .header-entry {
            flex-shrink: 0;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 72px 0 54px;
            background-color: #0c3820;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: .32;
        }

        .page-banner::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(110deg, rgba(13, 61, 35, .96) 0%, rgba(21, 122, 59, .78) 58%, rgba(21, 122, 59, .52) 100%);
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, .82);
            font-size: 14px;
            font-weight: 500;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .82);
            transition: color .2s;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, .55);
            font-size: 16px;
            line-height: 1;
        }

        .breadcrumb .crumb-current {
            color: #fff;
            max-width: 360px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            font-weight: 600;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .18);
            border: 1px solid rgba(255, 255, 255, .24);
            color: #fff;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        /* ===== Article Section ===== */
        .article-section {
            padding: 56px 0 30px;
        }

        .article-shell {
            max-width: 820px;
            margin: 0 auto;
            background: var(--surface);
            padding: 40px 48px 48px;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
        }

        .article-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 14px;
        }

        .article-cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            background: var(--primary-soft);
            border-radius: 999px;
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 700;
        }

        .article-source-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            background: #FDF3E3;
            border-radius: 999px;
            color: #AA6B12;
            font-size: 13px;
            font-weight: 700;
        }

        .article-shell h1 {
            font-size: clamp(28px, 4vw, 38px);
            line-height: 1.28;
            margin: 0 0 18px;
            color: var(--primary-dark);
            font-weight: 800;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            color: var(--text-muted);
            font-size: 14px;
            border-bottom: 1px dashed var(--line);
            padding-bottom: 22px;
            margin-bottom: 26px;
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .article-body {
            font-size: 16.5px;
            color: #2c312c;
        }

        .article-body h2,
        .article-body h3 {
            margin: 32px 0 14px;
            color: var(--primary-dark);
            font-weight: 800;
            line-height: 1.4;
        }

        .article-body h2 {
            font-size: 26px;
            padding-left: 14px;
            border-left: 4px solid var(--accent);
        }

        .article-body h3 {
            font-size: 20px;
        }

        .article-body p {
            margin-bottom: 1.15em;
        }

        .article-body a {
            color: var(--primary);
            font-weight: 600;
            border-bottom: 1px solid rgba(21, 122, 59, .4);
        }

        .article-body a:hover {
            color: var(--primary-dark);
            border-bottom-color: var(--primary-dark);
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 1.2em 1.2em;
        }

        .article-body li {
            margin-bottom: 6px;
        }

        .article-body blockquote {
            background: var(--primary-soft);
            border-left: 5px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 14px 14px 0;
            margin: 22px 0;
            color: #274a32;
            font-weight: 500;
        }

        .article-body blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-body img,
        .article-body figure img {
            border-radius: 16px;
            width: 100%;
            height: auto;
            margin: 14px 0;
            object-fit: cover;
        }

        .article-body figcaption {
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
            margin-top: -8px;
            margin-bottom: 16px;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 18px 0 24px;
            font-size: 15px;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
        }

        .article-body th,
        .article-body td {
            border: 1px solid var(--line);
            padding: 11px 14px;
            text-align: left;
        }

        .article-body th {
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-weight: 700;
        }

        .article-body pre {
            background: #16241b;
            color: #E8F2E9;
            border-radius: 14px;
            padding: 18px 20px;
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 22px;
        }

        .article-body code {
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
            background: #EDF1EA;
            color: #0c5027;
            border-radius: 5px;
            padding: 2px 7px;
            font-size: .92em;
        }

        .article-body pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }

        .article-page-divider {
            height: 1px;
            background: var(--line);
            margin: 30px 0 8px;
        }

        .article-bottom-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: center;
            padding-top: 20px;
        }

        .article-empty-state {
            padding: 50px 10px 20px;
            text-align: center;
        }

        .article-empty-state .empty-icon {
            width: 82px;
            height: 82px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-soft);
            border-radius: 30px;
            color: var(--primary);
            font-size: 36px;
            margin-bottom: 20px;
        }

        .article-empty-state h1 {
            margin: 0 0 12px;
            font-size: 26px;
            color: var(--primary-dark);
        }

        .article-empty-state p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 36px 0 60px;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 26px;
        }

        .section-head h2 {
            margin: 0;
            font-size: 28px;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.3;
        }

        .section-head p {
            margin: 4px 0 0;
            color: var(--text-muted);
            font-size: 15px;
        }

        .section-more {
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .section-more:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        .related-grid {
            margin-bottom: -24px;
        }

        .related-grid .cell {
            margin-bottom: 24px;
        }

        .related-card {
            display: flex;
            gap: 14px;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 12px;
            height: 100%;
            min-height: 108px;
            transition: transform .2s, box-shadow .2s, border-color .2s;
        }

        .related-card:hover {
            transform: translateY(-3px);
            border-color: rgba(21, 122, 59, .5);
            box-shadow: var(--shadow-card);
        }

        .related-thumb {
            width: 112px;
            height: 84px;
            flex-shrink: 0;
            border-radius: 10px;
            overflow: hidden;
            background: var(--primary-soft);
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .related-info {
            display: flex;
            flex-direction: column;
            min-width: 0;
            padding-top: 2px;
        }

        .related-info strong {
            font-size: 15px;
            line-height: 1.55;
            font-weight: 700;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }

        .related-card:hover .related-info strong {
            color: var(--primary);
        }

        .related-info time {
            font-size: 12.5px;
            color: var(--text-muted);
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== Article News CTA ===== */
        .article-cta {
            background: linear-gradient(115deg, #0E5027 0%, #157A3B 62%, #1E9550 100%);
            padding: 54px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .article-cta::after {
            content: "";
            position: absolute;
            right: -80px;
            bottom: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .06);
        }

        .cta-panel {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            position: relative;
            z-index: 2;
        }

        .cta-left h2 {
            font-size: clamp(24px, 2.6vw, 32px);
            color: #fff;
            margin: 0 0 10px;
            font-weight: 800;
            line-height: 1.35;
        }

        .cta-left p {
            color: rgba(255, 255, 255, .85);
            margin: 0;
            max-width: 620px;
        }

        .cta-action {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .cta-note {
            color: rgba(255, 255, 255, .7);
            width: 100%;
            font-size: 14px;
            margin-top: 16px;
            padding: 14px 18px;
            background: rgba(255, 255, 255, .1);
            border-radius: 14px;
            border: 1px solid rgba(255, 255, 255, .18);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer-bg);
            color: rgba(255, 255, 255, .78);
            padding-top: 56px;
            font-size: 14.5px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr .8fr 1fr 1.1fr;
            gap: 34px;
            padding-bottom: 42px;
        }

        .footer-brand .brand-name strong {
            color: #fff;
            font-size: 17px;
        }

        .footer-brand p {
            margin-top: 16px;
            font-size: 14px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .65);
        }

        .footer-col h4 {
            color: #fff;
            margin: 4px 0 16px;
            font-size: 16px;
            font-weight: 700;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col li {
            margin-bottom: 8px;
        }

        .footer-col a {
            display: inline-block;
            color: rgba(255, 255, 255, .68);
            padding: 3px 0;
            transition: all .2s;
        }

        .footer-col a:hover {
            color: #fff;
            padding-left: 5px;
        }

        .footer-safety {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            padding: 14px 16px;
            border-radius: 14px;
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .76);
        }

        .footer-safety strong {
            color: #F5C77C;
            font-weight: 700;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 18px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .article-shell {
                padding: 34px 30px 40px;
            }
        }

        @media (max-width: 768px) {
            .site-header-inner {
                min-height: 62px;
            }

            .menu-toggle {
                display: inline-flex;
                order: 3;
            }

            .main-nav {
                position: fixed;
                top: 62px;
                left: 0;
                right: 0;
                background: #fff;
                padding: 14px 20px 22px;
                box-shadow: 0 14px 24px rgba(14, 80, 39, .08);
                border-bottom: 1px solid var(--line);
                transform: translateY(-14px);
                opacity: 0;
                visibility: hidden;
                pointer-events: none;
                transition: all .24s ease;
                border-radius: 0 0 18px 18px;
            }

            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
            }

            .main-nav ul {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }

            .main-nav .nav-link {
                display: block;
                text-align: center;
                padding: 11px 12px;
                border-radius: 12px;
                font-size: 16px;
                background: #f8fbf7;
                margin: 2px 0;
            }

            .nav-cta-mobile {
                display: block;
                margin-top: 10px;
            }

            .header-entry {
                display: none;
            }

            .btn-sm {
                min-height: 42px;
            }

            .page-banner {
                padding: 46px 0 38px;
            }

            .article-section {
                padding: 36px 0 26px;
            }

            .article-shell {
                padding: 28px 18px 34px;
                border-radius: 16px;
            }

            .article-shell h1 {
                font-size: 24px;
                line-height: 1.35;
            }

            .article-meta {
                gap: 8px 12px;
                margin-bottom: 20px;
            }

            .article-meta span {
                width: 100%;
            }

            .article-body {
                font-size: 15.5px;
            }

            .article-body table {
                display: block;
                overflow-x: auto;
                width: 100%;
            }

            .cta-panel {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-header-inner {
                padding: 0 14px;
                gap: 10px;
            }

            .brand .logo-mark {
                width: 38px;
                height: 38px;
                font-size: 17px;
            }

            .brand-name strong {
                font-size: 15.5px;
            }

            .brand-name span {
                font-size: 11px;
            }

            .main-nav {
                top: 58px;
            }

            .article-section {
                padding: 24px 0 12px;
            }

            .article-shell {
                padding: 20px 14px 26px;
                border-radius: 14px;
            }

            .page-banner {
                padding: 36px 0 30px;
            }

            .breadcrumb a,
            .breadcrumb span {
                font-size: 13px;
            }

            .related-card {
                flex-direction: column;
                min-height: 0;
            }

            .related-thumb {
                width: 100%;
                height: 150px;
            }

            .related-info strong {
                -webkit-line-clamp: 3;
            }

            .section-head h2 {
                font-size: 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                line-height: 1.8;
            }

            .page-banner::after {
                background: linear-gradient(110deg, rgba(13, 61, 35, .98) 0%, rgba(21, 122, 59, .78) 80%, rgba(21, 122, 59, .52) 100%);
            }
        }

/* roulang page: category1 */
:root {
            --green-strong: #157a3b;
            --green-dark: #0e5027;
            --green-deeper: #0d3d23;
            --green-soft: #e4f2e4;
            --orange-strong: #f2a13b;
            --orange-deep: #d97b13;
            --bg-page: #f7f8f4;
            --surface: #ffffff;
            --ink: #1f241f;
            --muted: #5d6b5c;
            --line: #dce7dc;
            --radius-lg: 20px;
            --radius-md: 14px;
            --shadow-card: 0 10px 30px rgba(21, 91, 48, .08);
            --shadow-hover: 0 18px 40px rgba(21, 91, 48, .14);
            --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", Roboto, sans-serif;
            --font-num: "SF Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.8;
            color: var(--ink);
            background: var(--bg-page);
            -webkit-font-smoothing: antialiased;
        }
        body.menu-opened {
            overflow: hidden;
        }
        img {
            display: block;
            max-width: 100%;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, border-color .2s ease, background .2s ease, opacity .2s ease;
        }
        ul,
        ol,
        figure {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.25;
            font-weight: 800;
            letter-spacing: -0.01em;
        }
        p {
            margin: 0;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        button {
            border: 0;
            cursor: pointer;
        }

        .grid-container {
            max-width: 1200px;
            width: 100%;
            margin-inline: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            min-height: 48px;
            padding: .72rem 1.55rem;
            border-radius: 999px;
            border: 1px solid transparent;
            font-weight: 700;
            line-height: 1.2;
            text-align: center;
            transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
        }
        .btn:hover {
            transform: translateY(-2px);
        }
        .btn:focus-visible,
        .nav-link:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(242, 161, 59, .55);
            outline-offset: 3px;
        }
        .btn-amber {
            background: var(--orange-strong);
            color: #20301f !important;
            box-shadow: 0 8px 22px rgba(242, 161, 59, .3);
        }
        .btn-amber:hover {
            background: #ffb453;
            box-shadow: 0 12px 28px rgba(242, 161, 59, .4);
        }
        .btn-white {
            background: #ffffff;
            color: var(--green-strong) !important;
            box-shadow: 0 8px 22px rgba(0, 0, 0, .08);
        }
        .btn-white:hover {
            background: #f4fff6;
        }
        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, .75);
            color: #ffffff !important;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
        }
        .btn-sm {
            min-height: 42px;
            padding: .45rem 1.15rem;
            font-size: .9rem;
        }
        .btn-block-md {
            width: auto;
        }

        .section {
            padding: 90px 0;
        }
        .section-light {
            background: var(--bg-page);
        }
        .section-white {
            background: var(--surface);
        }

        .section-head {
            max-width: 820px;
            margin-bottom: 42px;
        }
        .section-head.section-center {
            margin-inline: auto;
            text-align: center;
        }
        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            font-size: .86rem;
            font-weight: 700;
            color: var(--green-strong);
            background: var(--green-soft);
            border-radius: 999px;
            padding: .35rem .95rem;
            margin-bottom: 18px;
            letter-spacing: .02em;
        }
        .section-head h2 {
            font-size: clamp(1.7rem, 3vw, 2.25rem);
            line-height: 1.35;
        }
        .section-head .section-sub {
            margin-top: 14px;
            color: var(--muted);
            font-size: 1.04rem;
        }

        /* Header ============================ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(220, 231, 220, .8);
        }
        .site-header-inner {
            max-width: 1280px;
            min-height: 76px;
            margin-inline: auto;
            padding: 12px 24px;
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: .65rem;
            flex-shrink: 0;
        }
        .brand .logo-mark {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--green-strong);
            color: #fff;
            font-size: 1.25rem;
            border-radius: 14px;
            box-shadow: 0 8px 20px rgba(21, 122, 59, .2);
        }
        .brand .brand-name {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .brand .brand-name strong {
            font-size: 1.2rem;
            font-weight: 900;
            color: var(--ink);
            letter-spacing: -.01em;
        }
        .brand .brand-name span {
            font-size: .75rem;
            color: var(--green-strong);
            font-weight: 600;
            letter-spacing: .14em;
        }

        .menu-toggle {
            display: none;
            width: 46px;
            height: 46px;
            align-items: center;
            justify-content: center;
            background: var(--green-soft);
            color: var(--green-strong);
            border-radius: 14px;
            font-size: 1.2rem;
            margin-left: auto;
            flex-shrink: 0;
        }
        .main-nav {
            flex: 1;
            display: flex;
            justify-content: center;
        }
        .main-nav ul {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav .nav-link {
            display: inline-block;
            padding: .55rem .9rem;
            border-radius: 999px;
            color: #334037;
            font-weight: 600;
            font-size: .98rem;
        }
        .main-nav .nav-link:hover {
            background: var(--green-soft);
            color: var(--green-strong);
        }
        .main-nav .nav-link.active {
            background: var(--green-strong);
            color: #fff;
        }
        .header-entry {
            flex-shrink: 0;
            margin-left: auto;
        }
        .nav-cta-mobile {
            display: none;
        }

        /* Category hero */
        .cat-hero {
            position: relative;
            color: #fff;
            background-image: linear-gradient(100deg, rgba(10, 62, 33, .95) 0%, rgba(13, 63, 36, .88) 38%, rgba(14, 63, 38, .55) 100%), url("/assets/images/backpic/back-1.png");
            background-size: cover;
            background-position: center;
            padding: 76px 0 92px;
            overflow: hidden;
        }
        .cat-hero .grid-x {
            position: relative;
            z-index: 2;
        }
        .cat-hero::after {
            content: "";
            position: absolute;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .12);
            left: -180px;
            bottom: -260px;
            z-index: 1;
        }
        .cat-crumb {
            display: flex;
            flex-wrap: wrap;
            gap: .5rem;
            align-items: center;
            font-size: .9rem;
            color: rgba(255, 255, 255, .78);
            margin-bottom: 30px;
        }
        .cat-crumb a:hover {
            color: #fff;
        }
        .cat-crumb .divider {
            opacity: .5;
        }
        .cat-hero-tag {
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 999px;
            padding: .32rem 1rem;
            font-size: .82rem;
            font-weight: 600;
            letter-spacing: .06em;
            color: #ffe7bd;
            margin-bottom: 20px;
        }
        .cat-hero h1 {
            font-size: clamp(2rem, 4vw, 3.05rem);
            line-height: 1.2;
            margin-bottom: 20px;
            max-width: 600px;
        }
        .cat-hero h1 span {
            color: #ffc873;
        }
        .cat-hero .hero-lead {
            max-width: 600px;
            font-size: 1.08rem;
            color: rgba(255, 255, 255, .85);
            line-height: 1.9;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-visual {
            position: relative;
            max-width: 540px;
            margin-left: auto;
            border-radius: 26px;
            overflow: visible;
            box-shadow: 0 30px 60px rgba(0, 0, 0, .25);
        }
        .hero-visual img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 26px;
            border: 2px solid rgba(255, 255, 255, .35);
        }
        .hero-visual-card {
            position: absolute;
            background: rgba(255, 255, 255, .95);
            color: var(--ink);
            padding: 14px 18px;
            border-radius: 18px;
            box-shadow: 0 18px 36px rgba(0, 0, 0, .18);
            display: flex;
            align-items: center;
            gap: 12px;
            right: -22px;
            bottom: 26px;
        }
        .hero-visual-card i {
            width: 48px;
            height: 48px;
            background: var(--green-soft);
            color: var(--green-strong);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 15px;
            font-size: 1.2rem;
        }
        .hero-visual-card strong {
            display: block;
            font-size: 1.05rem;
            line-height: 1.3;
        }
        .hero-visual-card span {
            font-size: .8rem;
            color: var(--muted);
        }
        .hero-flag {
            position: absolute;
            left: -16px;
            top: 24px;
            background: var(--orange-strong);
            color: #202a1d;
            font-weight: 800;
            border-radius: 999px;
            padding: .55rem 1.2rem;
            box-shadow: 0 12px 26px rgba(242, 161, 59, .45);
            font-size: .9rem;
            letter-spacing: .04em;
            transform: rotate(-2deg);
        }

        /* Check cards */
        .check-grid .cell {
            margin-bottom: 20px;
        }
        .check-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: all .2s ease;
            position: relative;
            overflow: hidden;
        }
        .check-card::before {
            content: "";
            position: absolute;
            right: -26px;
            top: -26px;
            width: 90px;
            height: 90px;
            background: var(--green-soft);
            border-radius: 50%;
            opacity: .7;
        }
        .check-card:hover {
            transform: translateY(-5px);
            border-color: #aed3b4;
            box-shadow: var(--shadow-hover);
        }
        .check-card .check-num {
            font-family: var(--font-num);
            color: var(--orange-strong);
            font-weight: 800;
            font-size: .86rem;
            letter-spacing: .1em;
        }
        .check-card h3 {
            font-size: 1.2rem;
            margin: 16px 0 10px;
            display: flex;
            align-items: center;
            gap: .45rem;
        }
        .check-card h3 i {
            color: var(--green-strong);
            font-size: 1.1rem;
        }
        .check-card p {
            color: var(--muted);
            line-height: 1.8;
            font-size: .94rem;
        }

        /* Steps */
        .steps-section {
            background: linear-gradient(140deg, #0b3c22 0%, #0f5530 100%);
            color: #fff;
            overflow: hidden;
        }
        .steps-section .section-head h2 {
            color: #fff;
        }
        .steps-section .section-sub {
            color: rgba(255, 255, 255, .72);
        }
        .steps-grid .step-item {
            position: relative;
            padding: 6px 6px 6px 6px;
            height: 100%;
        }
        .step-card {
            position: relative;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: var(--radius-lg);
            padding: 34px 22px 26px;
            height: 100%;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            transition: all .2s ease;
        }
        .step-card:hover {
            background: rgba(255, 255, 255, .11);
            transform: translateY(-4px);
            border-color: rgba(255, 255, 255, .35);
        }
        .step-index {
            font-family: var(--font-num);
            font-size: 2rem;
            font-weight: 900;
            color: transparent;
            -webkit-text-stroke: 1px rgba(255, 255, 255, .4);
            line-height: 1;
            margin-bottom: 18px;
        }
        .step-card h3 {
            font-size: 1.12rem;
            margin-bottom: 12px;
            color: #fff;
        }
        .step-card p {
            font-size: .92rem;
            color: rgba(255, 255, 255, .78);
            line-height: 1.85;
        }

        /* OS version cards */
        .os-grid .cell {
            margin-bottom: 24px;
        }
        .os-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 34px 32px;
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: all .2s ease;
        }
        .os-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: #a9d3ae;
        }
        .os-card .os-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 22px;
        }
        .os-icon {
            width: 62px;
            height: 62px;
            border-radius: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
            background: var(--green-strong);
        }
        .os-icon.apple {
            background: #222;
        }
        .os-ver {
            font-family: var(--font-num);
            font-size: .78rem;
            background: var(--green-soft);
            color: var(--green-strong);
            padding: .3rem .8rem;
            border-radius: 999px;
            font-weight: 700;
        }
        .os-card h3 {
            font-size: 1.45rem;
            margin-bottom: 10px;
        }
        .os-card ul {
            margin: 12px 0 22px;
            display: grid;
            gap: 8px;
        }
        .os-card li {
            display: flex;
            gap: .7rem;
            color: var(--muted);
            font-size: .96rem;
        }
        .os-card li i {
            color: var(--green-strong);
            margin-top: .3rem;
        }
        .os-card .btn {
            margin-top: auto;
            align-self: flex-start;
        }

        /* Security panel */
        .safety-block {
            background-image: linear-gradient(120deg, rgba(13, 61, 35, .95), rgba(15, 72, 42, .92)), url("/assets/images/backpic/back-2.webp");
            background-size: cover;
            background-position: center;
            border-radius: 28px;
            color: #fff;
            padding: 54px;
            display: grid;
            grid-template-columns: 1.15fr .85fr;
            gap: 48px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .safety-block::after {
            content: "";
            position: absolute;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(242, 161, 59, .18);
            right: -70px;
            bottom: -70px;
        }
        .safety-copy h2 {
            color: #fff;
            font-size: clamp(1.5rem, 2.6vw, 2.05rem);
            line-height: 1.4;
            margin-bottom: 16px;
        }
        .safety-copy p {
            color: rgba(255, 255, 255, .75);
            max-width: 520px;
        }
        .safety-list {
            display: grid;
            gap: 14px;
        }
        .safety-list li {
            display: flex;
            gap: 14px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .13);
            border-radius: 16px;
            padding: 16px 18px;
            line-height: 1.6;
            font-size: .95rem;
            align-items: flex-start;
        }
        .safety-list li i {
            color: #ffc873;
            margin-top: .2rem;
            font-size: 1.2rem;
        }
        .safety-list li strong {
            color: #fff;
        }

        /* FAQ */
        .faq-wrap {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 26px;
            box-shadow: var(--shadow-card);
            padding: 20px 30px;
        }
        .faq-item {
            border-bottom: 1px solid var(--line);
            padding: 8px 0;
        }
        .faq-item:last-child {
            border-bottom: 0;
        }
        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            min-height: 62px;
            background: transparent;
            color: var(--ink);
            font-weight: 700;
            font-size: 1.02rem;
            width: 100%;
            text-align: left;
            padding: 6px 0;
            gap: 18px;
            transition: color .2s ease;
        }
        .faq-q:hover {
            color: var(--green-strong);
        }
        .faq-q .fa-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--green-soft);
            color: var(--green-strong);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform .2s ease, background .2s ease;
        }
        .faq-item.is-open .faq-q .fa-icon {
            transform: rotate(45deg);
            background: var(--green-strong);
            color: #fff;
        }
        .faq-a {
            display: none;
            padding: 0 54px 22px 0;
            color: var(--muted);
            line-height: 1.85;
        }
        .faq-item.is-open .faq-a {
            display: block;
        }
        .faq-a p+p {
            margin-top: .8rem;
        }

        /* CTA */
        .cta-box {
            background: linear-gradient(135deg, #0b562b 0%, #157a3b 55%, #0d5e32 100%);
            border-radius: 30px;
            padding: 72px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: "";
            position: absolute;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            border: 48px solid rgba(255, 255, 255, .05);
            left: -120px;
            top: -140px;
        }
        .cta-box::after {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            border: 34px solid rgba(255, 255, 255, .04);
            right: -90px;
            bottom: -130px;
        }
        .cta-box h2 {
            color: #fff;
            font-size: clamp(1.7rem, 3vw, 2.25rem);
            line-height: 1.45;
            margin-bottom: 20px;
        }
        .cta-box p {
            color: rgba(255, 255, 255, .82);
            max-width: 680px;
            margin: 0 auto 32px;
        }
        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        /* Footer */
        .site-footer {
            background: var(--green-deeper);
            color: rgba(255, 255, 255, .78);
            padding-top: 72px;
            margin-top: 90px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.35fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 46px;
        }
        .footer-brand .brand-name strong {
            color: #fff;
        }
        .footer-brand p {
            margin-top: 18px;
            font-size: .92rem;
            line-height: 1.9;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 18px;
        }
        .footer-col ul {
            display: grid;
            gap: 10px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, .72);
            font-size: .93rem;
        }
        .footer-col a:hover {
            color: #ffc873;
        }
        .footer-safety {
            background: rgba(255, 255, 255, .06);
            border-radius: 16px;
            padding: 16px 18px;
            line-height: 1.8;
            font-size: .88rem;
            color: rgba(255, 255, 255, .82);
        }
        .footer-safety strong {
            color: #ffc873;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 22px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            font-size: .84rem;
            color: rgba(255, 255, 255, .52);
        }

        /* responsive */
        @media screen and (min-width: 1024px) {
            .hero-visual-card {
                right: -34px;
            }
        }
        @media screen and (max-width: 1023px) {
            .cat-hero {
                padding: 60px 0 80px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px 28px;
            }
            .safety-block {
                grid-template-columns: 1fr;
                padding: 42px;
                gap: 32px;
            }
            .step-card {
                padding: 28px 18px 22px;
            }
            .os-card {
                padding: 28px 24px;
            }
            .header-entry {
                margin-left: 0;
            }
        }
        @media screen and (max-width: 900px) {
            .site-header-inner {
                min-height: 70px;
                flex-wrap: nowrap;
            }
            .menu-toggle {
                display: inline-flex;
            }
            .main-nav {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #ffffff;
                border-bottom: 1px solid var(--line);
                box-shadow: 0 24px 45px rgba(20, 50, 30, .13);
                display: block;
                max-height: 0;
                overflow: hidden;
                transition: max-height .3s ease;
                border-radius: 0 0 20px 20px;
            }
            .header.is-open .main-nav,
            .site-header.is-open .main-nav {
                max-height: 360px;
                overflow-y: auto;
            }
            .main-nav ul {
                display: grid;
                gap: 2px;
                padding: 14px 20px 22px;
            }
            .main-nav .nav-link {
                display: block;
                padding: .8rem 1rem;
                border-radius: 14px;
            }
            .nav-cta-mobile {
                display: block;
                margin-top: 10px;
            }
            .header-entry {
                display: none;
            }
            .brand .brand-name strong {
                font-size: 1.1rem;
            }
        }
        @media screen and (max-width: 767px) {
            .section {
                padding: 60px 0;
            }
            .cat-hero {
                padding: 44px 0 58px;
            }
            .hero-visual {
                margin-top: 44px;
                margin-left: 0;
            }
            .hero-visual img {
                height: 300px;
            }
            .hero-visual-card {
                right: 8px;
                bottom: 20px;
                left: 20px;
            }
            .cat-crumb {
                margin-bottom: 22px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .faq-wrap {
                padding: 12px 18px;
            }
            .faq-a {
                padding-right: 20px;
            }
            .cta-box {
                padding: 48px 24px;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .safety-block {
                padding: 32px 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .site-footer {
                margin-top: 60px;
                padding-top: 54px;
            }
            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }
        @media screen and (max-width: 520px) {
            .grid-container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .brand .brand-name span {
                display: none;
            }
            .cat-hero h1 {
                font-size: 1.85rem;
            }
            .hero-vidual-card strong {
                font-size: .95rem;
            }
            .check-card {
                padding: 24px 20px;
            }
            .os-card .os-top {
                align-items: flex-start;
            }
            .os-card .btn {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
        --page-bg: #F7F8F4;
        --surface: #FFFFFF;
        --primary: #157A3B;
        --primary-dark: #0E5027;
        --primary-light: #E4F2E4;
        --accent: #F2A13B;
        --accent-dark: #DA8A24;
        --text: #1F241F;
        --muted: #5D6B5C;
        --line: #DCE7DC;
        --deep-green: #0D3D23;
        --shadow-card: 0 12px 28px -18px rgba(21, 122, 59, 0.28);
        --shadow-hover: 0 18px 34px -20px rgba(21, 122, 59, 0.34);
        --radius: 18px;
        --section-space: 88px;
    }

    * {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        background: var(--page-bg);
        color: var(--text);
        font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", Roboto, sans-serif;
        font-size: 16px;
        line-height: 1.8;
        -webkit-font-smoothing: antialiased;
        text-rendering: optimizeLegibility;
    }

    body.no-scroll {
        overflow: hidden;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color .2s ease;
    }

    button {
        font-family: inherit;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }

    .grid-container {
        max-width: 1200px;
        padding-left: 24px;
        padding-right: 24px;
    }

    /* Header */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(247, 248, 244, 0.88);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(220, 231, 220, 0.8);
        transition: box-shadow .25s ease, background .3s ease;
    }

    .site-header.scrolled {
        box-shadow: 0 8px 26px -20px rgba(14, 80, 39, 0.35);
        background: rgba(255, 255, 255, 0.94);
    }

    .site-header-inner {
        max-width: 1240px;
        margin: 0 auto;
        padding: 0 24px;
        height: 76px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 18px;
    }

    .brand {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        white-space: nowrap;
    }

    .logo-mark {
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background: linear-gradient(140deg, #1C8A47, #0B5429);
        color: #fff;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        flex: 0 0 42px;
        box-shadow: 0 8px 18px -8px rgba(21, 122, 59, 0.5);
    }

    .brand-name {
        display: inline-flex;
        flex-direction: column;
        line-height: 1.25;
    }

    .brand-name strong {
        font-size: 19px;
        font-weight: 800;
        letter-spacing: .5px;
        color: var(--text);
    }

    .brand-name span {
        font-size: 12px;
        color: var(--primary);
        font-weight: 600;
        letter-spacing: 2px;
    }

    .main-nav ul {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        align-items: center;
        gap: 30px;
    }

    .main-nav .nav-link {
        position: relative;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 16px;
        font-weight: 600;
        color: var(--text);
        padding: 12px 2px 10px;
        border-bottom: 2px solid transparent;
        transition: color .2s ease, border-color .2s ease;
    }

    .main-nav .nav-link:hover {
        color: var(--primary);
    }

    .main-nav .nav-link.active {
        color: var(--primary);
        border-bottom-color: var(--primary);
    }

    .nav-cta-mobile {
        display: none;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        min-height: 46px;
        padding: 0 26px;
        border-radius: 999px;
        border: 1px solid transparent;
        font-size: 15px;
        font-weight: 700;
        cursor: pointer;
        line-height: 1.2;
        transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
        white-space: nowrap;
    }

    .btn:focus-visible,
    .nav-link:focus-visible,
    .brand:focus-visible,
    .faq-btn:focus-visible {
        outline: 3px solid rgba(21, 122, 59, 0.25);
        outline-offset: 3px;
    }

    .btn-amber {
        background: var(--accent);
        color: #1F241F;
        box-shadow: 0 8px 20px -10px rgba(242, 161, 59, 0.7);
    }

    .btn-amber:hover {
        background: var(--accent-dark);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 14px 24px -12px rgba(242, 161, 59, 0.85);
    }

    .btn-outline-light {
        background: transparent;
        border-color: rgba(255, 255, 255, 0.75);
        color: #fff;
    }

    .btn-outline-light:hover {
        background: rgba(255, 255, 255, 0.14);
        border-color: #fff;
    }

    .btn-white {
        background: #fff;
        color: var(--primary-dark);
    }

    .btn-white:hover {
        background: #F0F8F0;
        color: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 14px 24px -16px rgba(0, 0, 0, 0.4);
    }

    .menu-toggle {
        display: none;
        width: 46px;
        height: 46px;
        border-radius: 12px;
        border: 1px solid var(--line);
        background: var(--surface);
        color: var(--primary);
        font-size: 19px;
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }

    /* Page hero */
    .category-hero {
        position: relative;
        background: linear-gradient(100deg, rgba(13, 61, 35, 0.92), rgba(14, 80, 39, 0.72)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        padding: 100px 0 88px;
        color: #fff;
        overflow: hidden;
        text-align: center;
    }

    .category-hero::before {
        content: "";
        position: absolute;
        width: 280px;
        height: 280px;
        right: -60px;
        top: -80px;
        border: 46px solid rgba(255, 255, 255, 0.06);
        border-radius: 50%;
    }

    .category-hero::after {
        content: "";
        position: absolute;
        width: 130px;
        height: 130px;
        left: 6%;
        bottom: 10px;
        border: 14px solid rgba(242, 161, 59, 0.15);
        border-radius: 50%;
    }

    .hero-box {
        position: relative;
        z-index: 2;
        max-width: 900px;
        margin: 0 auto;
        padding: 0 24px;
    }

    .hero-breadcrumb {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.7);
        margin-bottom: 20px;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.12);
        padding: 6px 14px;
        border-radius: 999px;
    }

    .hero-breadcrumb a {
        transition: color .2s ease;
    }

    .hero-breadcrumb a:hover {
        color: var(--accent);
    }

    .category-hero h1 {
        font-size: clamp(2rem, 5vw, 3.1rem);
        font-weight: 800;
        line-height: 1.25;
        letter-spacing: 1px;
        margin: 0 0 18px;
        color: #fff;
    }

    .category-hero .lead {
        font-size: 17px;
        line-height: 1.9;
        max-width: 680px;
        margin: 0 auto 32px;
        color: rgba(255, 255, 255, 0.86);
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 14px;
    }

    /* Main */
    main {
        overflow: hidden;
    }

    .section {
        padding: 88px 0;
    }

    .section-tight {
        padding-top: 48px;
    }

    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        font-weight: 700;
        color: var(--primary);
        background: var(--primary-light);
        border-radius: 999px;
        padding: 5px 15px;
        margin: 0 0 14px;
        letter-spacing: 1px;
    }

    .section-title {
        font-size: clamp(1.7rem, 3.4vw, 2.25rem);
        font-weight: 800;
        line-height: 1.3;
        margin: 0 0 16px;
        color: var(--text);
    }

    .section-desc {
        color: var(--muted);
        font-size: 16px;
        max-width: 680px;
        line-height: 1.9;
        margin-bottom: 0;
    }

    /* Quick service cards */
    .quick-cards {
        margin-top: -38px;
        position: relative;
        z-index: 3;
        padding-bottom: 0;
    }

    .service-grid {
        row-gap: 24px;
    }

    .service-card {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        height: 100%;
        padding: 26px 26px 22px;
        box-shadow: var(--shadow-card);
        transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
    }

    .service-card:hover {
        transform: translateY(-4px);
        border-color: rgba(21, 122, 59, 0.42);
        box-shadow: var(--shadow-hover);
    }

    .service-card .card-icon {
        width: 48px;
        height: 48px;
        border-radius: 14px;
        background: var(--primary-light);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        margin-bottom: 16px;
    }

    .service-card h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 8px;
    }

    .service-card p {
        margin: 0;
        color: var(--muted);
        font-size: 15px;
        line-height: 1.8;
    }

    /* Split security section */
    .security-split {
        display: flex;
        align-items: center;
        gap: 60px;
        flex-wrap: wrap;
    }

    .security-copy {
        flex: 0 0 46%;
        max-width: 520px;
    }

    .security-media {
        flex: 1;
        min-width: 340px;
    }

    .security-media .media-frame {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 24px;
        padding: 10px;
        box-shadow: var(--shadow-card);
        transform: rotate(-0.5deg);
    }

    .security-media img {
        width: 100%;
        height: 380px;
        object-fit: cover;
        border-radius: 18px;
    }

    .check-list {
        margin: 24px 0 0;
        padding: 0;
        list-style: none;
    }

    .check-list li {
        position: relative;
        padding: 9px 0 9px 38px;
        color: var(--text);
        font-size: 15.5px;
        line-height: 1.8;
    }

    .check-list li::before {
        content: "\f00c";
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        position: absolute;
        left: 0;
        top: 12px;
        width: 24px;
        height: 24px;
        background: var(--primary-light);
        color: var(--primary);
        border-radius: 50%;
        font-size: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .alert-panel {
        background: #FFF8E8;
        border-left: 4px solid var(--accent);
        border-radius: 12px;
        padding: 16px 18px;
        margin-top: 24px;
        color: #5F4526;
        font-size: 15px;
        line-height: 1.7;
    }

    .alert-panel strong {
        color: #7A4B0E;
    }

    /* Steps */
    .steps-section {
        background: var(--surface);
    }

    .steps-grid {
        margin-top: 44px;
    }

    .step-card {
        background: var(--page-bg);
        border: 1px solid var(--line);
        border-radius: 20px;
        padding: 28px 24px;
        height: 100%;
        position: relative;
    }

    .step-num {
        font-size: 34px;
        font-weight: 800;
        color: var(--primary);
        font-variant-numeric: tabular-nums;
        opacity: 0.85;
        line-height: 1;
        display: block;
        margin-bottom: 14px;
    }

    .step-card h3 {
        font-size: 18px;
        font-weight: 700;
        margin: 0 0 8px;
    }

    .step-card p {
        color: var(--muted);
        font-size: 15px;
        margin: 0;
        line-height: 1.8;
    }

    /* Trust strip */
    .trust-band {
        background: var(--deep-green);
        color: #EDF7EE;
        padding: 64px 0;
    }

    .trust-grid {
        margin-top: 32px;
    }

    .trust-item {
        padding: 6px 6px 12px;
        display: flex;
        flex-direction: column;
        gap: 5px;
    }

    .trust-item i {
        font-size: 22px;
        color: var(--accent);
        width: 44px;
        height: 44px;
        border-radius: 12px;
        background: rgba(242, 161, 59, 0.12);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 6px;
    }

    .trust-item h3 {
        color: #fff;
        font-size: 18px;
        font-weight: 700;
        margin: 0;
    }

    .trust-item p {
        color: rgba(237, 247, 238, 0.72);
        margin: 0;
        font-size: 14.5px;
    }

    /* Faq */
    .faq-wrap {
        max-width: 860px;
        margin: 0 auto;
    }

    .faq-list {
        margin-top: 38px;
    }

    .faq-item {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 14px;
        margin-bottom: 14px;
        transition: border-color .2s ease, box-shadow .2s ease;
        overflow: hidden;
    }

    .faq-item.open {
        border-color: rgba(21, 122, 59, 0.35);
        box-shadow: var(--shadow-card);
    }

    .faq-btn {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        background: none;
        border: 0;
        padding: 20px 26px;
        font-size: 16px;
        font-weight: 700;
        color: var(--text);
        cursor: pointer;
        text-align: left;
        line-height: 1.6;
        min-height: 54px;
    }

    .faq-btn .faq-arrow {
        flex: 0 0 28px;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: var(--primary-light);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: var(--primary);
        font-size: 14px;
        transition: transform .25s ease, background .25s ease;
    }

    .faq-item.open .faq-arrow {
        transform: rotate(45deg);
        background: var(--primary);
        color: #fff;
    }

    .faq-answer {
        display: none;
        padding: 0 26px 22px;
        color: var(--muted);
        font-size: 15px;
        line-height: 1.85;
    }

    .faq-item.open .faq-answer {
        display: block;
    }

    /* CTA */
    .cta-panel {
        background: linear-gradient(120deg, var(--deep-green), #15582F);
        border-radius: 28px;
        overflow: hidden;
        color: #fff;
        text-align: center;
        padding: 64px 48px 62px;
        position: relative;
    }

    .cta-panel::before {
        content: "";
        position: absolute;
        width: 220px;
        height: 220px;
        border: 36px solid rgba(255, 255, 255, 0.05);
        border-radius: 50%;
        top: -80px;
        left: -60px;
    }

    .cta-panel h2 {
        font-size: clamp(1.7rem, 3.4vw, 2.4rem);
        font-weight: 800;
        margin: 0 auto 12px;
        color: #fff;
    }

    .cta-panel p {
        color: rgba(255, 255, 255, 0.82);
        max-width: 660px;
        margin: 0 auto 30px;
        font-size: 16px;
    }

    .cta-actions {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 14px;
        position: relative;
        z-index: 2;
    }

    /* Footer */
    .site-footer {
        background: var(--deep-green);
        color: rgba(237, 247, 238, 0.88);
        margin-top: 96px;
        padding-top: 68px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: minmax(240px, 1.4fr) 0.8fr 0.8fr 1fr;
        gap: 44px;
        padding-bottom: 40px;
    }

    .site-footer .brand .brand-name strong {
        color: #fff;
    }

    .site-footer .brand-name span {
        color: var(--accent);
    }

    .footer-brand p {
        margin: 20px 0 0;
        font-size: 14.5px;
        line-height: 1.85;
        color: rgba(237, 247, 238, 0.66);
    }

    .footer-col h4 {
        color: #fff;
        font-size: 16px;
        font-weight: 700;
        margin: 4px 0 18px;
    }

    .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .footer-col li {
        margin-bottom: 12px;
    }

    .footer-col a {
        color: rgba(237, 247, 238, 0.78);
        font-size: 15px;
        line-height: 1.7;
        transition: color .2s ease;
    }

    .footer-col a:hover {
        color: var(--accent);
    }

    .footer-safety {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.1);
        padding: 18px 18px 14px;
        border-radius: 14px;
        font-size: 13.5px;
        line-height: 1.9;
        color: rgba(237, 247, 238, 0.7);
    }

    .footer-safety strong {
        color: #fff;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding: 22px 0;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 8px;
        color: rgba(237, 247, 238, 0.55);
        font-size: 13px;
    }

    .footer-links a {
        color: rgba(237, 247, 238, 0.55);
        margin-left: 16px;
    }

    .footer-links a:hover {
        color: #fff;
    }

    /* Responsive */
    @media (max-width: 1100px) {
        .site-header-inner {
            padding: 0 20px;
        }

        .main-nav ul {
            gap: 20px;
        }

        .main-nav .nav-link {
            font-size: 15px;
        }
    }

    @media (max-width: 900px) {
        .menu-toggle {
            display: inline-flex;
        }

        .main-nav {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 22px 36px -28px rgba(14, 80, 39, 0.35);
            padding: 16px 20px 24px;
            display: none;
            backdrop-filter: blur(14px);
        }

        .main-nav.open {
            display: block;
        }

        .main-nav ul {
            flex-direction: column;
            align-items: flex-start;
            gap: 2px;
            width: 100%;
        }

        .main-nav .nav-link {
            display: flex;
            width: 100%;
            padding: 13px 8px;
            border-bottom: 0;
            font-size: 16px;
        }

        .main-nav .nav-link.active {
            color: var(--primary);
            border-left: 3px solid var(--primary);
            padding-left: 14px;
        }

        .nav-cta-mobile {
            display: block;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--line);
        }

        .header-entry {
            display: none;
        }

        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .security-copy {
            flex: 1 1 100%;
            max-width: 100%;
        }
    }

    @media (max-width: 640px) {
        .section {
            padding: 56px 0;
        }

        .site-footer {
            margin-top: 56px;
            padding-top: 48px;
        }

        .container {
            padding: 0 18px;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }

        .brand-name strong {
            font-size: 18px;
        }

        .category-hero {
            padding: 70px 0 64px;
        }

        .category-hero h1 {
            font-size: 1.7rem;
            line-height: 1.3;
        }

        .category-hero .lead {
            font-size: 15.5px;
        }

        .hero-actions .btn {
            width: 100%;
        }

        .steps-grid {
            margin-top: 24px;
        }

        .cta-panel {
            padding: 44px 20px;
            border-radius: 22px;
        }

        .cta-actions .btn {
            width: 100%;
        }

        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }

        .footer-links a {
            margin: 0 10px;
        }

        .service-card h3,
        .step-card h3 {
            font-size: 17px;
        }

        .check-list li {
            font-size: 15px;
        }

        .security-media img {
            height: 260px;
        }

        .faq-btn {
            padding: 17px 18px;
            font-size: 15px;
        }

        .faq-answer {
            padding: 0 18px 18px;
        }
    }

/* roulang page: category3 */
:root {
  --bg: #F7F8F4;
  --surface: #FFFFFF;
  --primary: #157A3B;
  --primary-dark: #0E5027;
  --primary-mist: #E4F2E4;
  --accent: #F2A13B;
  --accent-dark: #D9841D;
  --text: #1F241F;
  --muted: #5D6B5C;
  --line: #DCE7DC;
  --shadow-sm: 0 4px 14px rgba(22, 66, 35, 0.08);
  --shadow-md: 0 14px 34px rgba(22, 66, 35, 0.1);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 10px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--primary-dark); }
img { display: block; max-width: 100%; }
p { margin: 0 0 1em; }
h1, h2, h3, h4, h5 { margin: 0; line-height: 1.3; font-weight: 700; color: var(--text); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

ul { list-style: none; margin: 0; padding: 0; }

.section { padding: 96px 0; }
.section + .section { padding-top: 0; }

.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-mist);
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(1.75rem, 3vw, 2.6rem); letter-spacing: -0.02em; }
.section-head p { color: var(--muted); margin-top: 14px; font-size: 17px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 14px 28px;
  min-height: 48px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  line-height: 1;
  background: var(--surface);
  color: var(--text);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn i { font-size: 14px; }

.btn-amber { background: var(--accent); border-color: var(--accent); color: #2A2A1A; }
.btn-amber:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; box-shadow: 0 12px 24px rgba(242, 161, 59, 0.35); }

.btn-dark { background: var(--surface); border-color: var(--surface); color: var(--primary-dark); }
.btn-dark:hover { border-color: var(--surface); background: rgba(255, 255, 255, 0.9); color: var(--primary-dark); }

.btn-white-outline { background: transparent; border-color: rgba(255, 255, 255, 0.75); color: #fff; }
.btn-white-outline:hover { background: #fff; color: var(--primary-dark); border-color: #fff; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15); }

.btn-sm { padding: 8px 18px; min-height: 42px; font-size: 14px; }

.btn:focus-visible, .nav-link:focus-visible, .brand:focus-visible, .menu-toggle:focus-visible {
  outline: 3px solid rgba(21, 122, 59, 0.35);
  outline-offset: 3px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 251, 247, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(220, 231, 220, 0.7);
}
.site-header.scrolled { box-shadow: 0 6px 22px rgba(23, 68, 34, 0.08); }
.site-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  position: relative;
}

.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 6px 14px rgba(21, 122, 59, 0.22);
}
.brand-name { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name strong { font-size: 18px; font-weight: 800; color: var(--primary-dark); letter-spacing: 0.01em; }
.brand-name span { font-size: 12px; color: var(--muted); font-weight: 400; }

.main-nav ul { display: flex; align-items: center; gap: 2px; }
.main-nav .nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
}
.main-nav .nav-link:hover { background: var(--primary-mist); color: var(--primary-dark); }
.main-nav .nav-link.active { background: var(--primary-dark); color: #fff; }
.main-nav .nav-link.active:hover { background: var(--primary-dark); color: #fff; }

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--primary-dark);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.menu-toggle.active { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }

.nav-cta-mobile { display: block; }
.nav-cta-mobile .btn { width: 100%; }

@media (min-width: 921px) {
  .nav-cta-mobile { display: none; }
  .main-nav { margin-right: auto; margin-left: 48px; }
}

@media (max-width: 920px) {
  .site-header.bg-dark-header? block;
  .header-entry { display: none !important; }
  .menu-toggle { display: inline-flex; margin-left: auto; }
  .main-nav { display: none; width: 100%; order: 6; margin-top: 4px; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; padding: 12px 0 4px; border-top: 1px solid var(--line); }
  .main-nav .nav-link,
  .main-nav .btn { width: 100%; margin-top: 6px; padding: 12px 16px; white-space: normal; }
  .main-nav .nav-link.active { background: var(--primary-mist); color: var(--primary-dark); }
}

/* Category hero */
.cat-hero {
  position: relative;
  color: #fff;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  padding: 78px 0 140px;
}
.cat-hero:before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(7, 48, 27, 0.94) 0%, rgba(13, 66, 35, 0.82) 55%, rgba(18, 76, 40, 0.36) 100%);
}
.cat-hero .container { position: relative; z-index: 2; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 22px;
}
.breadcrumb i { font-size: 12px; }
.breadcrumb a { color: #fff; }
.breadcrumb a:hover { text-decoration: underline; color: #fff; }
.breadcrumb .current { color: rgba(255, 255, 255, 0.85); }

.cat-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 7px 16px;
  margin-bottom: 22px;
}
.cat-hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  color: #fff;
  line-height: 1.14;
  max-width: 880px;
  letter-spacing: -0.02em;
}
.cat-hero .hero-lead {
  margin-top: 22px;
  max-width: 680px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 18px;
}
.cat-hero .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

/* overlay utility cards */
.utility-bar {
  max-width: 1200px;
  margin: -64px auto 0;
  padding: 0 24px;
  position: relative;
  z-index: 5;
}
.utility-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-md);
}
.mini-card { display: flex; gap: 14px; align-items: flex-start; }
.mini-card .icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--primary-mist);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.mini-card h3 { font-size: 16px; color: var(--text); padding-top: 2px; }
.mini-card p { font-size: 14px; color: var(--muted); margin: 4px 0 0; line-height: 1.6; }

/* Feature split section */
.feature-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 36px;
  align-items: stretch;
}
.feat-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 44px;
}
.feat-panel.dark-panel {
  background: linear-gradient(150deg, var(--primary-dark), #0D3F22);
  border-color: transparent;
  color: #E7F2E6;
}
.dark-panel h3 { color: #fff; }
.feat-panel .panel-icon {
  font-size: 30px;
  color: var(--primary);
  margin-bottom: 20px;
}
.feat-panel h3 { font-size: 1.5rem; }

.check-list { margin-top: 24px; display: grid; gap: 18px; }
.check-list li { display: flex; gap: 12px; padding-left: 0; }
.check-list .fa-circle-check { color: var(--primary); margin-top: 4px; flex-shrink: 0; }
.dark-panel .check-list .fa-circle-check { color: var(--accent); }
.check-list b { display: block; font-weight: 700; }
.check-list span { color: var(--muted); font-size: 14.5px; line-height: 1.65; }
.dark-panel .check-list span { color: rgba(241, 248, 240, 0.8); }

.step-list { margin-top: 28px; counter-reset: step; display: grid; gap: 18px; }
.step-list li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  align-items: center;
  background: var(--primary-mist);
  border-radius: 16px;
  padding: 16px 18px;
}
.step-list li:before {
  content: counter(step, decimal-leading-zero);
  width: 42px;
  height: 42px;
  background: var(--primary);
  color: #fff;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}
.step-list li strong { display: block; font-size: 16px; padding-bottom: 4px; }
.step-list li span { font-size: 14px; color: var(--muted); line-height: 1.6; }

.link-entry { display: inline-flex; align-items: center; gap: 10px; margin-top: 30px; font-weight: 600; }
.link-entry .fa-arrow-right { margin-right: 0; }

/* Two column media article */
.media-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 34px; align-items: center; }
.media-grid img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}
.media-copy h2 { font-size: clamp(1.75rem, 3vw, 2.6rem); }
.media-copy .lead { color: var(--muted); margin-top: 18px; }
.media-list { margin-top: 24px; display: grid; gap: 14px; }
.media-list li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 15px 17px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.media-list li:hover {
  border-color: rgba(21, 122, 59, 0.4);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.media-list li i { color: var(--primary); margin-top: 5px; }
.media-list b { display: block; font-size: 15.5px; margin-bottom: 2px; }
.media-list span { color: var(--muted); font-size: 14px; }

/* Steps section dark */
.steps-wrap {
  background: linear-gradient(135deg, #0A4526 0%, #11723A 70%, #128442 100%);
  border-radius: 28px;
  position: relative;
  overflow: hidden;
  padding: 76px 60px;
  color: #fff;
  box-shadow: 0 22px 46px rgba(14, 67, 36, 0.25);
}
.steps-wrap:after {
  content: "";
  position: absolute;
  width: 460px;
  height: 460px;
  right: -170px;
  top: -220px;
  border: 54px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  pointer-events: none;
}
.steps-wrap .section-head h2 { color: #fff; }
.steps-wrap .section-head p { color: rgba(255, 255, 255, 0.78); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; position: relative; z-index: 2; }
.step-arrow { display: flex; align-items: center; color: #fff; font-size: 20px; }
.step-item {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 22px;
  padding: 28px;
  min-height: 210px;
  position: relative;
  transition: transform 0.25s ease, background 0.25s ease;
}
.step-item:hover { transform: translateY(-5px); background: rgba(255, 255, 255, 0.16); }
.step-item .step-num { font-size: 15px; color: var(--accent); letter-spacing: 0.05em; font-weight: 800; font-variant-numeric: tabular-nums; }
.step-item h3 { color: #fff; font-size: 20px; margin: 14px 0 10px; }
.step-item p { color: rgba(248, 250, 247, 0.8); font-size: 14.5px; margin: 0; }
.step-item i { position: absolute; right: 20px; bottom: 18px; font-size: 24px; color: rgba(255, 255, 255, 0.18); }

/* FAQ */
.faq-box { max-width: 900px; margin: 0 auto; }
.details-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.details-card:hover { border-color: rgba(21, 122, 59, 0.4); }
.details-card summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 17px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.details-card summary::-webkit-details-marker { display: none; }
.details-card summary .faq-arrow {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: var(--primary-mist);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.details-card[open] summary .faq-arrow { transform: rotate(45deg); background: var(--primary); color: #fff; }
.details-card .faq-body { padding: 0 22px 20px; color: var(--muted); border-top: 1px solid var(--line); margin-top: 0; }
.details-card .faq-body p { margin: 16px 0 0; line-height: 1.8; }

/* CTA */
.cta-panel {
  background: linear-gradient(120deg, #0E5027, #157A3B 70%, #1B8843);
  border-radius: 28px;
  padding: 66px 56px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(14, 80, 39, 0.18);
}
.cta-panel:before {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  right: -80px;
  bottom: -180px;
  border: 42px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}
.cta-panel h2 { color: #fff; font-size: clamp(1.9rem, 3.8vw, 3rem); max-width: 650px; line-height: 1.2; }
.cta-panel .cta-lead { color: rgba(255,255,255,0.85); margin-top: 20px; max-width: 620px; font-size: 17px; }
.cta-panel .cta-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; position: relative; z-index: 2; }
.cta-panel .cta-note { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255,255,255,0.78); margin-top: 22px; position: relative; z-index: 2; }
.cta-panel .cta-note i { color: var(--accent); }

/* Footer */
.site-footer { background: #0D3D23; color: #EFF6EC; margin-top: -1px; }
.site-footer a { color: #DDEBE0; }
.site-footer a:hover { color: #fff; text-decoration: none; }
.site-footer .container { padding-top: 72px; padding-bottom: 26px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 1fr 1.4fr;
  gap: 44px;
}
.footer-brand p { color: rgba(239,246,236,0.76); font-size: 14.5px; line-height: 1.8; margin-top: 16px; }
.footer-brand .brand .brand-name strong { color: #fff; }
.footer-brand .brand .brand-name span { color: rgba(255,255,255,0.6); }
.footer-brand .logo-mark { background: rgba(255,255,255,0.12); color: #ACEB9C; box-shadow: none; }

.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col li a { font-size: 14.5px; }
.footer-safety {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 14px;
  color: rgba(239,246,236,0.82);
  line-height: 1.7;
}
.footer-safety strong { color: #fff; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 22px;
  margin-top: 48px;
  color: rgba(255,255,255,0.6);
  font-size: 13.5px;
}

/* Responsive */
@media (max-width: 1024px) {
  .section { padding: 76px 0; }
  .utility-grid { grid-template-columns: repeat(2, 1fr); }
  .step-arrow { display: none; }
  .steps-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-split { gap: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  body { font-size: 16px; }
  .section { padding: 60px 0; }
  .cat-hero { padding-top: 56px; padding-bottom: 130px; }
  .cat-hero .hero-actions .btn { width: 100%; }

  .utility-grid { grid-template-columns: repeat(2,1fr); padding: 20px; }
  .feature-split { grid-template-columns: 1fr; }
  .feat-panel { padding: 30px; }

  .media-grid { grid-template-columns: 1fr; gap: 24px; }
  .media-grid img { height: 260px; }

  .steps-wrap { padding: 54px 28px; border-radius: 22px; }
  .steps-grid { grid-template-columns: 1fr; gap: 18px; }
  .step-item { min-height: auto; }

  .steps-wrap .section-head h2 { font-size: 2rem; }
  .cta-panel { padding: 42px 26px; border-radius: 22px; }
  .cta-panel .cta-actions .btn { width: 100%; }
  .footer-grid { padding-top: 12px; }
}

@media (max-width: 520px) {
  .section { padding: 48px 0; }
  .container { padding-left: 18px; padding-right: 18px; }
  .site-header-inner { padding-left: 16px; padding-right: 16px; }
  .brand-name strong { font-size: 16px; }
  .brand-name span { font-size: 11px; }

  .utility-grid { grid-template-columns: 1fr; }
  .mini-card { padding-bottom: 6px; }
  .media-grid { grid-template-columns: 1fr; }
  .media-grid img { height: auto; max-height: 220px; }

  .cat-hero { padding-bottom: 140px; }
  .cat-hero h1 { font-size: 2rem; }
  .cat-hero .hero-lead { font-size: 16px; }
  .cat-hero .hero-actions { margin-top: 24px; }
  .cat-hero .hero-actions .btn { width: 100%; }

  .step-list li { grid-template-columns: 38px 1fr; padding: 12px; }

  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .site-footer .container { padding-top: 52px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}