/* roulang page: index */
:root{
    --primary:#0B3D2E;
    --primary-dark:#08251E;
    --accent:#C6A15B;
    --accent-dark:#b8914a;
    --bg:#F5F1EA;
    --card-bg:#FFFFFF;
    --text:#1E1D1A;
    --text-weak:#6B675F;
    --border:#E4DED3;
    --border-light:rgba(0,0,0,0.08);
    --success:#3E7E5F;
    --error:#B3452A;
    --radius-card:12px;
    --radius-btn:10px;
    --radius-img:16px;
    --radius-badge:999px;
    --shadow-card:0 10px 24px rgba(20,25,20,0.05);
    --shadow-hover:0 16px 36px rgba(20,25,20,0.09);
    --font-cn:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',sans-serif;
    --font-num:'Inter','DIN Alternate','Roboto','Helvetica Neue',sans-serif;
    --transition-base:all .25s ease-out;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:var(--font-cn);
    background:var(--bg);
    color:var(--text);
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
.container{
    max-width:1180px;
    margin:0 auto;
    padding:0 24px;
    position:relative;
    z-index:1;
}
.row{
    max-width:1180px;
    margin:0 auto;
}
.row .row{max-width:none}
.section-pad{padding:100px 0}
.section-head{
    display:flex;
    align-items:baseline;
    justify-content:space-between;
    gap:16px;
    margin-bottom:48px;
}
.section-head h2{
    font-size:36px;
    line-height:1.3;
    font-weight:800;
    color:var(--text);
    letter-spacing:-0.01em;
    position:relative;
}
.section-head .section-sub{
    color:var(--text-weak);
    font-size:1rem;
    font-weight:400;
}
.section-more{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--primary);
    font-size:0.92rem;
    font-weight:600;
    transition:var(--transition-base);
    white-space:nowrap;
}
.section-more:hover{
    color:var(--accent);
    gap:10px;
}
.section-more i{font-size:0.85rem}

/* Header */
.site-header{
    position:sticky;
    top:0;
    z-index:100;
    background:rgba(245,241,234,0.92);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border-light);
    transition:box-shadow .3s ease;
}
.site-header.scrolled{
    box-shadow:0 4px 24px rgba(20,25,20,0.06);
}
.header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:72px;
    gap:24px;
}
.brand-logo{
    display:flex;
    align-items:baseline;
    gap:4px;
    font-size:1.5rem;
    font-weight:800;
    color:var(--primary);
    letter-spacing:0.02em;
    white-space:nowrap;
    flex-shrink:0;
}
.brand-logo small{
    font-size:0.82rem;
    font-weight:600;
    color:var(--accent);
    letter-spacing:0.08em;
}
.main-nav{
    display:flex;
    align-items:center;
    gap:32px;
}
.main-nav a{
    position:relative;
    font-size:0.95rem;
    font-weight:500;
    color:var(--text-weak);
    padding:8px 2px;
    transition:color .2s ease;
}
.main-nav a::after{
    content:'';
    position:absolute;
    left:0;
    bottom:0;
    width:0;
    height:2px;
    background:var(--accent);
    border-radius:2px;
    transition:width .25s ease-out;
}
.main-nav a:hover,.main-nav a.active{
    color:var(--primary);
    font-weight:600;
}
.main-nav a:hover::after,.main-nav a.active::after{
    width:100%;
}
.header-cta{
    flex-shrink:0;
}
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:13px 30px;
    border-radius:var(--radius-btn);
    font-size:0.95rem;
    font-weight:600;
    line-height:1.4;
    border:2px solid transparent;
    transition:var(--transition-base);
    white-space:nowrap;
    position:relative;
    overflow:hidden;
}
.btn:focus-visible{
    outline:3px solid rgba(11,61,46,0.3);
    outline-offset:2px;
}
.btn-primary{
    background:var(--accent);
    color:#08251E;
    border-color:var(--accent);
}
.btn-primary::after{
    content:'';
    position:absolute;
    top:0;
    left:-100%;
    width:60%;
    height:100%;
    background:linear-gradient(90deg,transparent,rgba(255,255,255,0.35),transparent);
    transform:skewX(-20deg);
    transition:left .45s ease;
}
.btn-primary:hover::after{
    left:130%;
}
.btn-primary:hover{
    background:var(--accent-dark);
    border-color:var(--accent-dark);
    transform:translateY(-2px);
    box-shadow:0 8px 24px rgba(198,161,91,0.35);
}
.btn-primary:active{
    transform:translateY(0);
    box-shadow:0 4px 12px rgba(198,161,91,0.25);
}
.btn-outline{
    background:transparent;
    color:#fff;
    border-color:rgba(255,255,255,0.65);
}
.btn-outline:hover{
    background:rgba(255,255,255,0.1);
    border-color:#fff;
    transform:translateY(-2px);
}
.btn-outline:active{
    transform:translateY(0);
}
.btn-accent{
    background:var(--accent);
    color:#08251E;
    border-color:var(--accent);
}
.btn-accent:hover{
    background:var(--accent-dark);
    border-color:var(--accent-dark);
    transform:translateY(-2px);
    box-shadow:0 8px 24px rgba(198,161,91,0.4);
}
.btn-accent:active{
    transform:translateY(0);
}
.btn-outline-light{
    background:rgba(255,255,255,0.05);
    color:#fff;
    border-color:rgba(255,255,255,0.6);
}
.btn-outline-light:hover{
    background:rgba(255,255,255,0.15);
    border-color:#fff;
    transform:translateY(-2px);
}
.btn-sm{
    padding:8px 20px;
    font-size:0.86rem;
    border-radius:8px;
}

/* Mobile Tabbar */
.mobile-tabbar{
    display:none;
    position:fixed;
    bottom:0;
    left:0;
    right:0;
    z-index:200;
    height:64px;
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(255,255,255,0.96);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    border-top:1px solid var(--border);
    box-shadow:0 -4px 20px rgba(0,0,0,0.04);
}
.tabbar-inner{
    display:flex;
    height:100%;
}
.tab-item{
    flex:1;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:3px;
    font-size:0.7rem;
    font-weight:500;
    color:var(--text-weak);
    transition:color .2s ease;
}
.tab-item i{
    font-size:1.05rem;
    transition:transform .2s ease;
}
.tab-item.active{
    color:var(--primary);
    font-weight:700;
}
.tab-item.active i{
    color:var(--accent);
    transform:translateY(-1px);
}
.tab-cta{
    background:var(--accent);
    color:#08251E !important;
    border-radius:10px;
    margin:8px 10px;
    font-weight:700;
    font-size:0.75rem;
    box-shadow:0 4px 12px rgba(198,161,91,0.3);
}
.tab-cta i{
    color:inherit !important;
}

/* Hero */
.hero{
    position:relative;
    min-height:88vh;
    display:flex;
    align-items:center;
    overflow:hidden;
    background-color:var(--primary);
}
.hero-bg{
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
    opacity:0.28;
}
.hero-overlay{
    position:absolute;
    inset:0;
    background:linear-gradient(115deg,rgba(11,61,46,0.96) 20%,rgba(11,61,46,0.78) 60%,rgba(11,61,46,0.55) 100%);
}
.hero-content{
    position:relative;
    z-index:2;
    padding:100px 0 80px;
    max-width:760px;
}
.hero-badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:rgba(198,161,91,0.15);
    border:1px solid rgba(198,161,91,0.45);
    color:var(--accent);
    font-size:0.82rem;
    font-weight:600;
    padding:6px 18px;
    border-radius:999px;
    letter-spacing:0.05em;
    margin-bottom:28px;
}
.hero-badge::before{
    content:'';
    width:6px;
    height:6px;
    background:var(--accent);
    border-radius:50%;
    display:inline-block;
    animation:pulse 2s infinite;
}
@keyframes pulse{
    0%,100%{opacity:1;transform:scale(1)}
    50%{opacity:0.6;transform:scale(0.85)}
}
.hero h1{
    font-size:68px;
    line-height:1.12;
    font-weight:800;
    color:#fff;
    letter-spacing:0.01em;
    margin-bottom:22px;
}
.hero h1 .accent-text{
    color:var(--accent);
    position:relative;
    display:inline-block;
}
.hero h1 .accent-text::after{
    content:'';
    position:absolute;
    left:0;
    bottom:4px;
    width:100%;
    height:10px;
    background:rgba(198,161,91,0.15);
    z-index:-1;
    border-radius:4px;
}
.hero-desc{
    font-size:18px;
    line-height:1.85;
    color:rgba(255,255,255,0.85);
    margin-bottom:38px;
    max-width:540px;
    font-weight:400;
}
.hero-actions{
    display:flex;
    gap:16px;
    flex-wrap:wrap;
    margin-bottom:44px;
}
.hero-trust{
    display:flex;
    gap:32px;
    flex-wrap:wrap;
    padding-top:28px;
    border-top:1px solid rgba(255,255,255,0.12);
}
.hero-trust-item{
    display:flex;
    align-items:center;
    gap:8px;
    color:rgba(255,255,255,0.65);
    font-size:0.85rem;
    font-weight:500;
}
.hero-trust-item i{
    color:var(--accent);
    font-size:0.95rem;
}

/* Brand */
.brand-section{
    padding:110px 0;
    background:var(--bg);
}
.brand-row{
    display:flex;
    align-items:center;
    gap:60px;
}
.brand-row .columns{
    padding:0;
}
.brand-text .section-label{
    font-size:0.85rem;
    font-weight:700;
    color:var(--accent);
    letter-spacing:0.12em;
    text-transform:uppercase;
    display:inline-flex;
    align-items:center;
    gap:10px;
    margin-bottom:18px;
}
.brand-text .section-label::before{
    content:'';
    width:32px;
    height:2px;
    background:var(--accent);
    display:inline-block;
    border-radius:2px;
}
.brand-text h2{
    font-size:42px;
    line-height:1.25;
    font-weight:800;
    color:var(--text);
    margin-bottom:22px;
    letter-spacing:-0.01em;
}
.brand-text p{
    font-size:17px;
    line-height:1.9;
    color:var(--text-weak);
    max-width:520px;
}
.brand-text .brand-points{
    list-style:none;
    margin-top:24px;
    display:flex;
    flex-direction:column;
    gap:12px;
}
.brand-text .brand-points li{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:0.95rem;
    color:var(--text);
    font-weight:500;
}
.brand-text .brand-points li i{
    color:var(--accent);
    margin-top:4px;
    font-size:0.9rem;
}
.brand-mark{
    display:flex;
    align-items:center;
    justify-content:center;
    flex-shrink:0;
}
.brand-stamp{
    width:220px;
    height:220px;
    border:3px solid var(--accent);
    border-radius:50%;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    position:relative;
    background:var(--card-bg);
    box-shadow:0 10px 32px rgba(11,61,46,0.08);
    transform:rotate(-6deg);
    transition:transform .4s ease;
}
.brand-stamp:hover{
    transform:rotate(0deg) scale(1.02);
}
.brand-stamp::before{
    content:'';
    position:absolute;
    inset:10px;
    border:1px dashed rgba(198,161,91,0.5);
    border-radius:50%;
}
.brand-stamp::after{
    content:'';
    position:absolute;
    inset:22px;
    border:1px solid rgba(198,161,91,0.25);
    border-radius:50%;
}
.brand-stamp .stamp-main{
    font-size:1.8rem;
    font-weight:800;
    color:var(--primary);
    letter-spacing:0.1em;
    line-height:1.3;
    text-align:center;
}
.brand-stamp .stamp-sub{
    font-size:0.75rem;
    font-weight:600;
    color:var(--accent);
    letter-spacing:0.18em;
    margin-top:8px;
}

/* Featured */
.featured-section{
    padding:110px 0;
    background:#fff;
    border-top:1px solid var(--border-light);
}
.featured-row{
    display:flex;
    gap:24px;
}
.featured-row .columns{
    padding:0;
}
.featured-card{
    background:var(--card-bg);
    border-radius:var(--radius-card);
    overflow:hidden;
    border:1px solid var(--border);
    box-shadow:var(--shadow-card);
    transition:var(--transition-base);
    display:flex;
    flex-direction:column;
    height:100%;
}
.featured-card:hover{
    box-shadow:var(--shadow-hover);
    transform:translateY(-5px);
}
.featured-card .card-media{
    overflow:hidden;
    position:relative;
    aspect-ratio:16/9;
    background:#e8e2d8;
}
.featured-card .card-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .45s ease;
}
.featured-card:hover .card-media img{
    transform:scale(1.04);
}
.featured-card .card-body{
    padding:28px;
    display:flex;
    flex-direction:column;
    flex:1;
}
.card-tag{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:0.76rem;
    font-weight:600;
    color:var(--accent);
    background:rgba(198,161,91,0.12);
    border:1px solid rgba(198,161,91,0.2);
    border-radius:999px;
    padding:4px 14px;
    margin-bottom:14px;
    align-self:flex-start;
    letter-spacing:0.03em;
}
.featured-card h3{
    font-size:22px;
    font-weight:700;
    color:var(--text);
    margin-bottom:10px;
    line-height:1.4;
}
.featured-card p{
    font-size:0.93rem;
    color:var(--text-weak);
    line-height:1.75;
    flex:1;
}
.card-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--primary);
    font-weight:600;
    font-size:0.9rem;
    margin-top:18px;
    transition:var(--transition-base);
}
.card-link:hover{
    gap:12px;
    color:var(--accent);
}
.card-link i{
    font-size:0.8rem;
}
.featured-main{
    background:linear-gradient(150deg,#ffffff 0%,#fbf9f5 100%);
}
.featured-main .card-media{
    aspect-ratio:16/7;
}
.featured-small-col{
    display:flex;
    flex-direction:column;
    gap:24px;
    height:100%;
}
.featured-card.featured-small{
    flex-direction:row;
    min-height:150px;
}
.featured-card.featured-small .card-media{
    width:130px;
    min-width:130px;
    aspect-ratio:1/1;
    position:relative;
}
.featured-card.featured-small .card-body{
    padding:20px;
}
.featured-card.featured-small h3{
    font-size:16px;
    margin-bottom:6px;
    line-height:1.4;
}
.featured-card.featured-small p{
    font-size:0.82rem;
    line-height:1.6;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.featured-card.featured-small .card-tag{
    font-size:0.68rem;
    padding:3px 10px;
    margin-bottom:8px;
}

/* Trust */
.trust-section{
    padding:64px 0;
    background:var(--bg);
    border-top:1px solid var(--border-light);
    border-bottom:1px solid var(--border-light);
}
.trust-list{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:0;
    background:var(--card-bg);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);
    overflow:hidden;
}
.trust-item{
    text-align:center;
    padding:32px 20px;
    border-right:1px solid var(--border);
    transition:background .2s ease;
}
.trust-item:last-child{
    border-right:none;
}
.trust-item:hover{
    background:rgba(245,241,234,0.5);
}
.trust-item .trust-icon{
    width:48px;
    height:48px;
    border-radius:50%;
    background:rgba(198,161,91,0.12);
    display:flex;
    align-items:center;
    justify-content:center;
    margin:0 auto 16px;
    color:var(--accent);
    font-size:1.1rem;
}
.trust-item .trust-title{
    font-size:1.05rem;
    font-weight:700;
    color:var(--primary);
    margin-bottom:8px;
    letter-spacing:0.02em;
}
.trust-item .trust-desc{
    font-size:0.86rem;
    color:var(--text-weak);
    line-height:1.6;
}

/* News */
.news-section{
    padding:110px 0;
    background:var(--bg);
}
.news-first-card{
    background:var(--card-bg);
    border-radius:var(--radius-card);
    border:1px solid var(--border);
    box-shadow:var(--shadow-card);
    padding:0;
    margin-bottom:20px;
    overflow:hidden;
    transition:var(--transition-base);
}
.news-first-card:hover{
    box-shadow:var(--shadow-hover);
    transform:translateY(-3px);
}
.news-first-card a{
    display:flex;
    align-items:center;
    gap:28px;
    padding:30px 32px;
    text-decoration:none;
}
.news-first-card .news-cat{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:0.76rem;
    font-weight:600;
    color:var(--accent);
    background:rgba(198,161,91,0.12);
    border:1px solid rgba(198,161,91,0.2);
    border-radius:999px;
    padding:4px 12px;
    flex-shrink:0;
}
.news-first-card h3{
    font-size:20px;
    font-weight:700;
    color:var(--text);
    margin:10px 0 6px;
    line-height:1.4;
}
.news-first-card p{
    font-size:0.92rem;
    color:var(--text-weak);
    line-height:1.7;
    margin-bottom:12px;
}
.news-first-card .news-meta{
    display:flex;
    align-items:center;
    gap:16px;
}
.news-first-card .news-date{
    font-size:0.82rem;
    color:var(--text-weak);
    display:inline-flex;
    align-items:center;
    gap:6px;
}
.news-first-card .news-read{
    font-size:0.85rem;
    font-weight:600;
    color:var(--primary);
    margin-left:auto;
    display:inline-flex;
    align-items:center;
    gap:6px;
    transition:var(--transition-base);
}
.news-first-card a:hover .news-read{
    color:var(--accent);
    gap:10px;
}
.news-list{
    background:var(--card-bg);
    border-radius:var(--radius-card);
    border:1px solid var(--border);
    box-shadow:var(--shadow-card);
    overflow:hidden;
}
.news-item{
    border-bottom:1px solid var(--border);
}
.news-item:last-child{
    border-bottom:none;
}
.news-item a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:18px 24px;
    text-decoration:none;
    transition:background .2s ease;
}
.news-item a:hover{
    background:rgba(245,241,234,0.5);
}
.news-item-main{
    display:flex;
    align-items:center;
    gap:16px;
    flex:1;
    min-width:0;
}
.news-item-title{
    font-size:0.95rem;
    font-weight:600;
    color:var(--text);
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
    flex-shrink:0;
    max-width:280px;
    transition:color .2s ease;
}
.news-item a:hover .news-item-title{
    color:var(--primary);
}
.news-item-excerpt{
    font-size:0.84rem;
    color:var(--text-weak);
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
    flex:1;
}
.news-item-meta{
    display:flex;
    align-items:center;
    gap:14px;
    flex-shrink:0;
}
.news-item-cat{
    font-size:0.72rem;
    font-weight:600;
    color:var(--accent);
    background:rgba(198,161,91,0.12);
    border-radius:999px;
    padding:3px 10px;
}
.news-item-date{
    font-size:0.78rem;
    color:var(--text-weak);
    display:inline-flex;
    align-items:center;
    gap:5px;
    font-family:var(--font-num);
}
.empty-state{
    text-align:center;
    padding:56px 24px;
    background:var(--card-bg);
    border-radius:var(--radius-card);
    border:1px dashed var(--border);
    color:var(--text-weak);
    font-size:0.95rem;
}
.empty-state i{
    display:block;
    font-size:2rem;
    color:var(--border);
    margin-bottom:12px;
}

/* FAQ */
.faq-section{
    padding:110px 0;
    background:#fff;
    border-top:1px solid var(--border-light);
}
.faq-list{
    max-width:780px;
    margin:0 auto;
}
.faq-item{
    border-bottom:1px solid var(--border);
}
.faq-item:first-child{
    border-top:1px solid var(--border);
}
.faq-question{
    width:100%;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:22px 8px;
    font-size:1rem;
    font-weight:600;
    color:var(--text);
    text-align:left;
    font-family:inherit;
    transition:color .2s ease;
    gap:16px;
}
.faq-question:hover{
    color:var(--primary);
}
.faq-icon{
    width:28px;
    height:28px;
    border-radius:50%;
    background:rgba(198,161,91,0.12);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:1rem;
    color:var(--accent);
    flex-shrink:0;
    transition:transform .3s ease,background .2s ease;
}
.faq-item.active .faq-icon{
    transform:rotate(45deg);
    background:var(--accent);
    color:#fff;
}
.faq-answer{
    display:none;
    padding:0 8px 24px;
    font-size:0.93rem;
    line-height:1.85;
    color:var(--text-weak);
}
.faq-item.active .faq-answer{
    display:block;
    animation:fadeIn .3s ease-out;
}
@keyframes fadeIn{
    from{opacity:0;transform:translateY(-4px)}
    to{opacity:1;transform:translateY(0)}
}

/* CTA */
.cta-section{
    background:var(--primary-dark);
    padding:90px 0;
    border-top:2px solid var(--accent);
    text-align:center;
    position:relative;
    overflow:hidden;
}
.cta-section::before{
    content:'';
    position:absolute;
    top:-80px;
    right:-80px;
    width:300px;
    height:300px;
    border-radius:50%;
    background:rgba(198,161,91,0.06);
}
.cta-section::after{
    content:'';
    position:absolute;
    bottom:-100px;
    left:-60px;
    width:260px;
    height:260px;
    border-radius:50%;
    background:rgba(198,161,91,0.05);
}
.cta-section .container{
    position:relative;
    z-index:2;
}
.cta-section h2{
    font-size:40px;
    line-height:1.3;
    font-weight:800;
    color:#fff;
    margin-bottom:16px;
    letter-spacing:-0.01em;
}
.cta-section p{
    font-size:1.05rem;
    color:rgba(255,255,255,0.7);
    margin-bottom:36px;
    max-width:480px;
    margin-left:auto;
    margin-right:auto;
}
.cta-actions{
    display:flex;
    justify-content:center;
    gap:16px;
    flex-wrap:wrap;
}

/* Footer */
.site-footer{
    background:var(--primary-dark);
    color:rgba(255,255,255,0.75);
    padding:70px 0 28px;
}
.footer-top{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    gap:40px;
    padding-bottom:40px;
    border-bottom:1px solid rgba(255,255,255,0.08);
    margin-bottom:28px;
}
.footer-brand{
    max-width:360px;
}
.footer-logo{
    font-size:1.5rem;
    font-weight:800;
    color:#fff;
    display:flex;
    align-items:baseline;
    gap:4px;
    margin-bottom:12px;
}
.footer-logo small{
    font-size:0.8rem;
    color:var(--accent);
    font-weight:600;
    letter-spacing:0.08em;
}
.footer-desc{
    font-size:0.9rem;
    line-height:1.7;
    opacity:0.6;
}
.footer-nav{
    display:flex;
    gap:36px;
    flex-wrap:wrap;
}
.footer-nav a{
    color:rgba(255,255,255,0.6);
    font-size:0.92rem;
    transition:color .2s ease;
    padding:4px 0;
    position:relative;
}
.footer-nav a:hover{
    color:var(--accent);
}
.footer-nav a::after{
    content:'';
    position:absolute;
    left:0;
    bottom:0;
    width:0;
    height:1px;
    background:var(--accent);
    transition:width .25s ease;
}
.footer-nav a:hover::after{
    width:100%;
}
.footer-bottom{
    display:flex;
    justify-content:center;
    align-items:center;
    text-align:center;
}
.footer-copy{
    font-size:0.8rem;
    opacity:0.5;
    line-height:1.6;
}
.footer-copy a{
    color:rgba(255,255,255,0.6);
    transition:color .2s;
}
.footer-copy a:hover{
    color:var(--accent);
}

/* Responsive */
@media (max-width:1023px){
    .hero h1{
        font-size:50px;
    }
    .brand-text h2{
        font-size:34px;
    }
    .brand-row{
        gap:40px;
    }
    .brand-stamp{
        width:180px;
        height:180px;
    }
    .brand-stamp .stamp-main{
        font-size:1.4rem;
    }
    .trust-list{
        grid-template-columns:repeat(2,1fr);
    }
    .trust-item:nth-child(2){
        border-right:none;
    }
    .trust-item:nth-child(1),.trust-item:nth-child(2){
        border-bottom:1px solid var(--border);
    }
    .news-item-excerpt{
        display:none;
    }
    .featured-card h3{
        font-size:19px;
    }
    .featured-card.featured-small .card-media{
        width:100px;
        min-width:100px;
    }
    .featured-card.featured-small .card-body{
        padding:16px;
    }
    .featured-card.featured-small h3{
        font-size:14px;
    }
}
@media (max-width:767px){
    .site-header{
        position:sticky;
    }
    .header-inner{
        height:60px;
    }
    .main-nav{
        display:none;
    }
    .header-cta{
        display:none;
    }
    .mobile-tabbar{
        display:block;
    }
    .brand-logo{
        font-size:1.2rem;
    }
    .brand-logo small{
        font-size:0.7rem;
    }
    .hero{
        min-height:auto;
    }
    .hero-content{
        padding:72px 0 60px;
    }
    .hero h1{
        font-size:36px;
    }
    .hero-desc{
        font-size:16px;
        margin-bottom:28px;
    }
    .hero-actions{
        flex-direction:column;
        align-items:stretch;
        gap:12px;
    }
    .hero-actions .btn{
        width:100%;
    }
    .hero-trust{
        gap:16px;
        flex-direction:column;
        align-items:flex-start;
    }
    .section-pad{
        padding:64px 0;
    }
    .brand-section{
        padding:64px 0;
    }
    .brand-row{
        flex-direction:column-reverse;
        gap:36px;
    }
    .brand-row .columns{
        padding:0 !important;
        width:100% !important;
    }
    .brand-text h2{
        font-size:28px;
    }
    .brand-text p{
        font-size:15px;
    }
    .brand-stamp{
        width:140px;
        height:140px;
    }
    .brand-stamp .stamp-main{
        font-size:1.1rem;
    }
    .featured-section{
        padding:64px 0;
    }
    .featured-row{
        flex-direction:column;
        gap:20px;
    }
    .featured-row .columns{
        padding:0 !important;
        width:100% !important;
    }
    .featured-main .card-media{
        aspect-ratio:16/9;
    }
    .featured-small-col{
        gap:20px;
    }
    .featured-card.featured-small{
        min-height:120px;
    }
    .featured-card.featured-small .card-media{
        width:95px;
        min-width:95px;
    }
    .featured-card.featured-small .card-body{
        padding:14px;
    }
    .trust-item{
        padding:20px 12px;
    }
    .trust-item .trust-title{
        font-size:0.95rem;
    }
    .trust-item .trust-desc{
        font-size:0.78rem;
    }
    .news-section{
        padding:64px 0;
    }
    .news-first-card a{
        padding:20px;
        flex-direction:column;
        align-items:flex-start;
        gap:12px;
    }
    .news-item a{
        padding:14px 16px;
        flex-direction:column;
        align-items:flex-start;
        gap:8px;
    }
    .news-item-main{
        width:100%;
    }
    .news-item-title{
        max-width:100%;
        font-size:0.9rem;
    }
    .news-item-meta{
        width:100%;
        justify-content:flex-start;
    }
    .news-first-card h3{
        font-size:17px;
    }
    .section-head{
        margin-bottom:28px;
    }
    .section-head h2{
        font-size:26px;
    }
    .faq-section{
        padding:64px 0;
    }
    .faq-question{
        font-size:0.92rem;
        padding:18px 4px;
    }
    .cta-section{
        padding:64px 0;
    }
    .cta-section h2{
        font-size:28px;
    }
    .cta-actions{
        flex-direction:column;
        align-items:stretch;
    }
    .cta-actions .btn{
        width:100%;
    }
    .site-footer{
        padding:56px 0 90px;
    }
    .footer-top{
        flex-direction:column;
        gap:32px;
    }
    .footer-nav{
        gap:20px;
    }
    .footer-bottom{
        padding:0 16px;
    }
    .section-more{
        font-size:0.84rem;
    }
}
@media (max-width:520px){
    .hero h1{
        font-size:30px;
    }
    .brand-text h2{
        font-size:24px;
    }
    .featured-card .card-body{
        padding:20px;
    }
    .featured-card h3{
        font-size:17px;
    }
    .trust-list{
        grid-template-columns:1fr 1fr;
    }
    .news-item-cat{
        display:none;
    }
    .news-item-date{
        font-size:0.72rem;
    }
    .hero-desc{
        font-size:15px;
    }
    .brand-stamp{
        width:120px;
        height:120px;
    }
    .brand-stamp .stamp-main{
        font-size:0.95rem;
    }
    .brand-stamp .stamp-sub{
        font-size:0.6rem;
    }
}

/* roulang page: article */
:root {
            --primary: #0B3D2E;
            --primary-dark: #08251E;
            --accent: #C6A15B;
            --accent-light: #D8BC7E;
            --bg: #F5F1EA;
            --card-bg: #FFFFFF;
            --text: #1E1D1A;
            --text-weak: #6B675F;
            --border: #E4DED3;
            --success: #3E7E5F;
            --error: #B3452A;
            --radius-lg: 14px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 12px rgba(20, 25, 20, 0.04);
            --shadow-md: 0 10px 24px rgba(20, 25, 20, 0.05);
            --shadow-lg: 0 16px 36px rgba(20, 25, 20, 0.09);
            --font-cn: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "DIN Alternate", "Roboto", sans-serif;
            --transition: 0.18s ease-out;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }

        body.page-article { background: var(--bg); }

        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-dark); }

        img { max-width: 100%; height: auto; display: block; border-radius: 14px; }

        ul, ol { list-style-position: inside; }

        .container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 920px; }

        ::selection { background: rgba(198, 161, 91, 0.28); }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(245, 241, 234, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            height: 72px;
            display: flex;
            align-items: center;
            padding: 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .brand-logo {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: baseline;
            line-height: 1.2;
            flex-shrink: 0;
        }

        .brand-logo small {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            margin-left: 6px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            margin-left: auto;
        }

        .main-nav a {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 10px 0;
            line-height: 1;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
            border-radius: 2px;
        }

        .main-nav a:hover { color: var(--primary); }
        .main-nav a:hover::after { width: 100%; }
        .main-nav a.active { color: var(--primary); font-weight: 700; }
        .main-nav a.active::after { width: 100%; }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            line-height: 1;
            white-space: nowrap;
            overflow: hidden;
            position: relative;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(11, 61, 46, 0.18);
        }

        .btn-primary::before {
            content: "";
            position: absolute;
            top: 0;
            left: -80%;
            width: 50%;
            height: 100%;
            background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.14), transparent);
            transform: skewX(-20deg);
            transition: left 0.4s ease;
        }

        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(11, 61, 46, 0.24); color: #fff; }
        .btn-primary:hover::before { left: 130%; }

        .btn-gold {
            background: var(--accent);
            color: var(--primary-dark);
            box-shadow: 0 6px 16px rgba(198, 161, 91, 0.25);
        }

        .btn-gold:hover { background: var(--accent-light); color: var(--primary-dark); transform: translateY(-1px); }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); color: #fff; }

        .btn-sm { padding: 9px 20px; font-size: 14px; border-radius: 6px; }

        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(198, 161, 91, 0.15);
            color: #9C7A2E;
            letter-spacing: 0.5px;
        }

        .badge-green { background: rgba(11, 61, 46, 0.08); color: var(--primary); }

        .breadcrumb-wrap {
            border-bottom: 1px solid rgba(0, 0, 0, 0.04);
            padding: 24px 0 0;
        }

        .breadcrumb {
            font-size: 14px;
            color: var(--text-weak);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            padding: 0 0 18px;
        }

        .breadcrumb a {
            color: var(--text-weak);
            transition: color var(--transition);
        }

        .breadcrumb a:hover { color: var(--primary); }
        .bc-sep { color: rgba(0, 0, 0, 0.25); font-size: 14px; }
        .bc-current { color: var(--text); font-weight: 500; }

        .article-head {
            padding: 32px 0 42px;
            max-width: 760px;
            margin: 0 auto;
            text-align: left;
        }

        .article-meta-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
        }

        .article-meta-item {
            font-size: 13px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 5px;
            font-family: var(--font-num), var(--font-cn);
        }

        .article-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text);
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        .article-divider {
            width: 72px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            margin-top: 8px;
        }

        .article-body {
            max-width: 760px;
            margin: 0 auto;
            padding: 0 0 50px;
            font-size: 17px;
            line-height: 1.8;
            color: #2A2824;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .article-body h2 {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text);
            margin: 48px 0 18px;
            letter-spacing: -0.3px;
            position: relative;
            padding-left: 18px;
        }

        .article-body h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background: var(--accent);
            border-radius: 4px;
        }

        .article-body h3 {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin: 36px 0 14px;
        }

        .article-body h4 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text);
            margin: 28px 0 12px;
        }

        .article-body p {
            margin-bottom: 24px;
            line-height: 1.8;
            color: #2A2824;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 24px;
            padding-left: 8px;
            line-height: 1.8;
            color: #2A2824;
        }

        .article-body ul li,
        .article-body ol li {
            margin-bottom: 8px;
            position: relative;
        }

        .article-body ul {
            list-style: none;
        }

        .article-body ul li::before {
            content: "";
            position: absolute;
            left: -18px;
            top: 12px;
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
        }

        .article-body ol {
            list-style: decimal;
            padding-left: 24px;
        }

        .article-body ol li::marker {
            color: var(--primary);
            font-weight: 600;
        }

        .article-body blockquote {
            margin: 32px 0;
            padding: 20px 28px;
            background: rgba(198, 161, 91, 0.08);
            border-left: 4px solid var(--accent);
            border-radius: 0 10px 10px 0;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-weak);
        }

        .article-body blockquote p {
            margin-bottom: 0;
            color: var(--text-weak);
        }

        .article-body img {
            border-radius: 16px;
            margin: 28px 0;
            box-shadow: var(--shadow-sm);
        }

        .article-body hr {
            border: none;
            height: 1px;
            background: var(--border);
            margin: 40px 0;
        }

        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-decoration-color: rgba(11, 61, 46, 0.25);
            text-underline-offset: 3px;
            font-weight: 500;
            transition: all var(--transition);
        }

        .article-body a:hover {
            color: var(--accent);
            text-decoration-color: var(--accent);
        }

        .article-empty {
            padding: 80px 24px;
            text-align: center;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(0, 0, 0, 0.05);
            min-height: 260px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
        }

        .article-empty p {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-weak);
        }

        .related-wrap {
            padding: 56px 0 64px;
        }

        .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.3px;
        }

        .link-arrow {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .link-arrow i { transition: transform var(--transition); }
        .link-arrow:hover i { transform: translateX(4px); }

        .related-grid {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .related-card {
            flex: 1 1 calc(50% - 12px);
            min-width: 280px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(0, 0, 0, 0.05);
            overflow: hidden;
            display: flex;
            gap: 0;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(198, 161, 91, 0.25);
        }

        .related-thumb {
            width: 44%;
            min-width: 140px;
            background-size: cover;
            background-position: center;
            background-color: rgba(11, 61, 46, 0.06);
            position: relative;
        }

        .related-thumb::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.08));
            pointer-events: none;
        }

        .related-info {
            padding: 22px 22px 20px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
            flex: 1;
        }

        .related-info .badge { margin-bottom: 2px; }

        .related-info h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin: 0;
        }

        .related-info p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cta-section {
            background: linear-gradient(rgba(8, 37, 30, 0.9), rgba(8, 37, 30, 0.94)), url('/assets/images/backpic/back-1.png') center/cover;
            padding: 76px 0;
            margin-top: 16px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), transparent 40%, transparent 60%, var(--accent));
        }

        .cta-inner {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }

        .cta-inner h2 span { color: var(--accent); }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            margin-top: 30px;
            flex-wrap: wrap;
        }

        .cta-tags {
            display: flex;
            gap: 12px;
            justify-content: center;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .cta-tags span {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 999px;
        }

        .site-footer {
            background: var(--primary-dark);
            padding: 60px 0 28px;
            position: relative;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0.6;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-brand { max-width: 360px; }

        .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: baseline;
            margin-bottom: 10px;
            letter-spacing: 0.2px;
        }

        .footer-logo small {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            margin-left: 6px;
            letter-spacing: 1px;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            margin-top: 10px;
        }

        .footer-nav {
            display: flex;
            gap: 28px;
            padding-top: 24px;
            flex-wrap: wrap;
        }

        .footer-nav a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.4;
            transition: color var(--transition);
            position: relative;
        }

        .footer-nav a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 0;
            height: 1px;
            background: var(--accent);
            transition: width var(--transition);
        }

        .footer-nav a:hover { color: #fff; }
        .footer-nav a:hover::after { width: 100%; }

        .footer-bottom {
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-copy {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            font-family: var(--font-num), var(--font-cn);
        }

        .footer-copy a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

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

        .mobile-tabbar {
            display: none;
        }

        .back-top-wrap {
            padding: 24px 0 50px;
            text-align: center;
        }

        .back-top-wrap a {
            font-size: 14px;
            color: var(--text-weak);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
        }

        .back-top-wrap a:hover { color: var(--primary); }
        .back-top-wrap a i { transition: transform var(--transition); }
        .back-top-wrap a:hover i { transform: translateX(-4px); }

        @media (max-width: 1023px) {
            .main-nav { gap: 20px; }
            .article-title { font-size: 34px; }
            .related-card { flex: 1 1 100%; }
        }

        @media (max-width: 767px) {
            .site-header { height: 64px; }
            .header-inner { height: 64px; }
            .main-nav { display: none; }
            .header-cta { display: none; }

            .container { padding: 0 20px; }

            .breadcrumb-wrap { padding-top: 16px; }
            .breadcrumb { padding-bottom: 14px; }

            .article-head { padding: 24px 0 30px; }
            .article-title { font-size: 28px; line-height: 1.3; }
            .article-meta-top { gap: 10px; margin-bottom: 16px; }
            .article-meta-item { font-size: 12px; }
            .article-divider { width: 52px; }

            .article-body { font-size: 16px; line-height: 1.75; padding-bottom: 36px; }
            .article-body h2 { font-size: 22px; margin: 36px 0 14px; padding-left: 14px; }
            .article-body h3 { font-size: 19px; margin: 28px 0 12px; }
            .article-body h4 { font-size: 17px; }
            .article-body p { margin-bottom: 20px; line-height: 1.75; }
            .article-body blockquote { padding: 16px 20px; font-size: 15px; }

            .related-wrap { padding: 40px 0 48px; }
            .section-head h2 { font-size: 24px; }

            .related-card { flex-direction: column; }
            .related-thumb { width: 100%; height: 140px; min-width: 0; }
            .related-info { padding: 18px 18px 20px; }
            .related-info h3 { font-size: 17px; }

            .cta-section { padding: 56px 0; }
            .cta-inner h2 { font-size: 26px; }
            .cta-inner p { font-size: 15px; }
            .cta-actions { flex-direction: column; align-items: center; }
            .cta-actions .btn { width: 100%; max-width: 280px; }

            .footer-top { flex-direction: column; gap: 20px; }
            .footer-nav { gap: 18px; padding-top: 0; }
            .footer-bottom { flex-direction: column; align-items: flex-start; }
            .footer-copy { font-size: 12px; }

            .site-footer { padding-bottom: 88px; }

            .back-top-wrap { padding-bottom: 80px; }

            .mobile-tabbar {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                height: 64px;
                background: rgba(255, 255, 255, 0.96);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
                border-top: 1px solid rgba(0, 0, 0, 0.06);
                z-index: 200;
                padding-bottom: env(safe-area-inset-bottom);
                align-items: stretch;
            }

            .tab-item {
                flex: 1;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 3px;
                color: var(--text-weak);
                font-size: 10px;
                font-weight: 500;
                transition: all var(--transition);
                padding: 4px 2px 6px;
                border: none;
                background: none;
                cursor: pointer;
                border-radius: 0;
            }

            .tab-item i {
                font-size: 19px;
                line-height: 1;
                transition: transform var(--transition);
            }

            .tab-item span { line-height: 1.2; }

            .tab-item:hover { color: var(--primary); }
            .tab-item:hover i { transform: translateY(-1px); }
            .tab-item.active { color: var(--primary); font-weight: 700; }
            .tab-item.active i { color: var(--accent); }
            .tab-item.tab-cta { color: var(--primary); }
            .tab-item.tab-cta i { color: var(--accent); }
        }

        @media (max-width: 520px) {
            .article-title { font-size: 25px; }
            .related-card { flex-direction: column; }
            .related-thumb { height: 130px; }
            .cta-actions { flex-direction: column; }
            .cta-actions .btn { width: 100%; }
            .section-head { flex-wrap: wrap; gap: 8px; }
            .footer-nav a { font-size: 13px; }
        }

        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category1 */
:root{
  --primary:#0B3D2E;
  --primary-dark:#08251E;
  --accent:#C6A15B;
  --bg:#F5F1EA;
  --card:#FFFFFF;
  --text:#1E1D1A;
  --text-weak:#6B675F;
  --border:#E4DED3;
  --success:#3E7E5F;
  --error:#B3452A;
  --radius:12px;
  --shadow:0 10px 24px rgba(20,25,20,0.05);
  --shadow-hover:0 16px 36px rgba(20,25,20,0.09);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Inter","DIN Alternate","Roboto",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
ul,ol{list-style:none}
button{background:none;border:none;font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:1rem}

.container{
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}

/* ====== Header ====== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(245,241,234,0.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(0,0,0,0.06);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
}
.brand-logo{
  font-size:22px;
  font-weight:800;
  color:var(--primary);
  letter-spacing:1px;
  display:flex;
  align-items:baseline;
  gap:6px;
  line-height:1.2;
}
.brand-logo small{
  font-size:13px;
  font-weight:400;
  color:var(--text-weak);
  letter-spacing:2px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:8px;
}
.main-nav a{
  padding:8px 16px;
  font-size:15px;
  color:var(--text);
  border-radius:8px;
  position:relative;
  font-weight:500;
  transition:color .2s ease;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:2px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transition:transform .25s ease-out;
  border-radius:2px;
}
.main-nav a:hover{color:var(--primary)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{
  color:var(--primary);
  font-weight:600;
}
.main-nav a.active::after{transform:scaleX(1)}
.header-cta{
  margin-left:8px;
}

/* ====== Buttons ====== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding:12px 28px;
  font-size:15px;
  font-weight:600;
  border-radius:10px;
  transition:all .25s ease-out;
  line-height:1.4;
  cursor:pointer;
}
.btn-sm{padding:8px 20px;font-size:13px;border-radius:8px}
.btn-primary{
  background:var(--accent);
  color:var(--primary-dark);
  box-shadow:0 4px 14px rgba(198,161,91,0.3);
}
.btn-primary:hover{
  background:#d4b06b;
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(198,161,91,0.4);
}
.btn-outline{
  background:transparent;
  color:#fff;
  border:1.5px solid rgba(255,255,255,0.7);
}
.btn-outline:hover{
  border-color:#fff;
  background:rgba(255,255,255,0.1);
  transform:translateY(-2px);
}
.btn-light{
  background:#fff;
  color:var(--primary);
  box-shadow:0 4px 14px rgba(0,0,0,0.1);
}
.btn-light:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(0,0,0,0.15);
}

/* ====== Mobile Tab Bar ====== */
.mobile-tabbar{
  position:fixed;
  bottom:0;
  left:0;
  right:0;
  z-index:999;
  display:none;
  background:#fff;
  border-top:1px solid var(--border);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -4px 20px rgba(0,0,0,0.06);
}
.mobile-tabbar .tab-inner{
  display:flex;
  justify-content:space-around;
  height:64px;
  align-items:center;
}
.mobile-tabbar .tab-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:11px;
  color:var(--text-weak);
  width:25%;
  height:100%;
  transition:color .2s ease;
  border-radius:8px;
}
.mobile-tabbar .tab-item i{
  font-size:18px;
  line-height:1;
}
.mobile-tabbar .tab-item.active{
  color:var(--primary);
  font-weight:600;
}
.mobile-tabbar .tab-item.active i{
  color:var(--accent);
}

/* ====== Breadcrumb ====== */
.breadcrumb-bar{
  background:transparent;
  padding:20px 0 4px;
}
.breadcrumb-bar .crumb-list{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-weak);
}
.breadcrumb-bar .crumb-list a:hover{color:var(--accent)}
.breadcrumb-bar .crumb-list .sep{color:var(--border)}
.breadcrumb-bar .crumb-list .current{color:var(--text);font-weight:500}

/* ====== Category Banner ====== */
.cat-banner{
  position:relative;
  background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 70%);
  border-radius:20px;
  overflow:hidden;
  padding:64px 56px;
  margin-top:16px;
  color:#fff;
}
.cat-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  opacity:0.25;
  z-index:0;
}
.cat-banner > *{
  position:relative;
  z-index:1;
}
.cat-banner .banner-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 16px;
  background:rgba(198,161,91,0.2);
  border:1px solid rgba(198,161,91,0.4);
  border-radius:999px;
  font-size:13px;
  letter-spacing:2px;
  color:var(--accent);
  margin-bottom:20px;
}
.cat-banner h1{
  font-size:44px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:2px;
  margin-bottom:16px;
}
.cat-banner .banner-desc{
  font-size:16px;
  max-width:540px;
  color:rgba(255,255,255,0.85);
  line-height:1.8;
  margin-bottom:28px;
}
.cat-banner .banner-badges{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.cat-banner .banner-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.18);
  border-radius:999px;
  font-size:13px;
  color:rgba(255,255,255,0.9);
}
.cat-banner .banner-badge i{
  color:var(--accent);
}

/* ====== Section Base ====== */
.section{
  padding:80px 0;
}
.section-title{
  font-size:34px;
  font-weight:800;
  color:var(--text);
  line-height:1.3;
  margin-bottom:8px;
  position:relative;
  letter-spacing:1px;
}
.section-title::before{
  content:"";
  display:inline-block;
  width:4px;
  height:28px;
  background:var(--accent);
  border-radius:2px;
  margin-right:14px;
  vertical-align:-3px;
}
.section-subtitle{
  font-size:15px;
  color:var(--text-weak);
  margin-bottom:48px;
  line-height:1.6;
}
.section-head-line{
  width:60px;
  height:2px;
  background:var(--accent);
  margin-top:16px;
  margin-bottom:32px;
}

/* ====== Steps Timeline ====== */
.steps-wrap{
  position:relative;
  margin:40px 0 12px;
}
.steps-wrap::before{
  content:"";
  position:absolute;
  left:27px;
  top:8px;
  bottom:8px;
  width:1px;
  background:linear-gradient(to bottom,var(--accent) 0%,var(--border) 100%);
}
.step-item{
  position:relative;
  padding:0 0 54px 80px;
}
.step-item:last-child{padding-bottom:0}
.step-dot{
  position:absolute;
  left:0;
  top:2px;
  width:56px;
  height:56px;
  border-radius:50%;
  background:var(--primary);
  border:2px solid var(--accent);
  color:var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-num);
  font-size:18px;
  font-weight:700;
  box-shadow:0 6px 18px rgba(11,61,46,0.25);
}
.step-content{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px 32px;
  transition:box-shadow .25s ease,transform .25s ease;
}
.step-content:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
}
.step-content h3{
  font-size:20px;
  font-weight:700;
  color:var(--text);
  margin-bottom:10px;
}
.step-content p{
  font-size:15px;
  color:var(--text-weak);
  line-height:1.7;
}

/* ====== Methods Section ====== */
.methods-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
}
.methods-img-col img{
  border-radius:16px;
  box-shadow:var(--shadow);
  width:100%;
  object-fit:cover;
}
.methods-list{
  display:flex;
  flex-direction:column;
}
.method-item{
  display:flex;
  gap:18px;
  padding:22px 0;
  border-bottom:1px solid var(--border);
}
.method-item:last-child{border-bottom:none}
.method-item .method-icon{
  width:44px;
  height:44px;
  min-width:44px;
  border-radius:10px;
  background:rgba(198,161,91,0.12);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  border:1px solid rgba(198,161,91,0.25);
}
.method-item .method-body h4{
  font-size:17px;
  font-weight:600;
  color:var(--text);
  margin-bottom:4px;
}
.method-item .method-body p{
  font-size:14px;
  color:var(--text-weak);
  line-height:1.6;
}

/* ====== Notes Section ====== */
.notes-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
  background:var(--card);
  border-radius:16px;
  border:1px solid var(--border);
  padding:48px;
  box-shadow:var(--shadow);
}
.notes-list{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.note-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:16px 18px;
  background:var(--bg);
  border-left:3px solid var(--accent);
  border-radius:0 10px 10px 0;
}
.note-item i{
  color:var(--primary);
  font-size:17px;
  margin-top:3px;
  min-width:18px;
}
.note-item .note-body h5{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  margin-bottom:3px;
}
.note-item .note-body p{
  font-size:14px;
  color:var(--text-weak);
  line-height:1.6;
}
.notes-img-col img{
  border-radius:14px;
  width:100%;
  object-fit:cover;
  box-shadow:var(--shadow);
}

/* ====== FAQ ====== */
.faq-wrap{
  max-width:820px;
  margin:0 auto;
}
.faq-item{
  border-bottom:1px solid var(--border);
}
.faq-item:first-child{
  border-top:1px solid var(--border);
}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:22px 8px;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  transition:color .2s ease;
  text-align:left;
  width:100%;
}
.faq-q:hover{color:var(--primary)}
.faq-q .faq-icon{
  width:28px;
  height:28px;
  min-width:28px;
  border-radius:50%;
  border:1.5px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  color:var(--text-weak);
  transition:all .25s ease;
}
.faq-item.open .faq-q{color:var(--primary)}
.faq-item.open .faq-icon{
  border-color:var(--accent);
  background:var(--accent);
  color:var(--primary-dark);
  transform:rotate(45deg);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease-out;
}
.faq-a .faq-a-inner{
  padding:0 8px 22px;
  font-size:15px;
  color:var(--text-weak);
  line-height:1.7;
}

/* ====== CTA ====== */
.site-cta{
  background:var(--primary-dark);
  border-radius:20px;
  padding:72px 56px;
  text-align:center;
  position:relative;
  overflow:hidden;
  color:#fff;
  margin-top:20px;
}
.site-cta::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
}
.site-cta h2{
  font-size:36px;
  font-weight:800;
  letter-spacing:2px;
  margin-bottom:12px;
}
.site-cta p{
  font-size:16px;
  color:rgba(255,255,255,0.7);
  margin-bottom:32px;
}
.site-cta .cta-btns{
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
}

/* ====== Footer ====== */
.site-footer{
  background:var(--primary-dark);
  color:rgba(255,255,255,0.8);
  margin-top:80px;
  padding:64px 0 32px;
  border-top:2px solid var(--accent);
}
.footer-top{
  display:grid;
  grid-template-columns:1fr auto;
  gap:48px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.footer-logo{
  font-size:22px;
  font-weight:800;
  color:#fff;
  display:flex;
  align-items:baseline;
  gap:6px;
  letter-spacing:1px;
}
.footer-logo small{
  font-size:13px;
  font-weight:400;
  color:rgba(255,255,255,0.5);
  letter-spacing:2px;
}
.footer-desc{
  margin-top:14px;
  font-size:14px;
  line-height:1.7;
  color:rgba(255,255,255,0.55);
  max-width:380px;
}
.footer-nav{
  display:flex;
  gap:12px;
  align-items:center;
  flex-wrap:wrap;
}
.footer-nav a{
  padding:6px 10px;
  font-size:14px;
  color:rgba(255,255,255,0.65);
  border-radius:6px;
  transition:all .2s ease;
}
.footer-nav a:hover{
  color:var(--accent);
  background:rgba(255,255,255,0.06);
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:28px;
  font-size:13px;
  color:rgba(255,255,255,0.4);
}
.footer-copy a{
  color:rgba(255,255,255,0.6);
}
.footer-copy a:hover{
  color:var(--accent);
}

/* ====== Section Alternate Background ====== */
.section-alt{
  background:var(--card);
  border-radius:20px;
  margin:20px 0;
  padding:56px;
  box-shadow:var(--shadow);
}

/* ====== Responsive ====== */
@media (max-width:1023px){
  .cat-banner{padding:48px 32px}
  .cat-banner h1{font-size:36px}
  .methods-wrap{grid-template-columns:1fr;gap:32px}
  .notes-wrap{grid-template-columns:1fr;gap:32px;padding:32px}
  .notes-img-col{order:-1}
}
@media (max-width:767px){
  .site-header{display:none}
  .mobile-tabbar{display:block}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-title{font-size:24px}
  .cat-banner{
    padding:36px 24px;
    border-radius:14px;
  }
  .cat-banner h1{font-size:28px}
  .cat-banner .banner-desc{font-size:14px}
  .cat-banner .banner-badges{gap:8px}
  .cat-banner .banner-badge{padding:6px 12px;font-size:12px}
  .steps-wrap::before{left:20px}
  .step-item{padding-left:56px}
  .step-dot{
    width:42px;
    height:42px;
    font-size:15px;
  }
  .step-content{padding:20px}
  .methods-img-col img{max-height:260px;object-fit:cover}
  .method-item{gap:12px}
  .notes-wrap{padding:20px;border-radius:12px}
  .note-item{padding:14px 16px}
  .site-cta{
    padding:48px 24px;
    border-radius:14px;
  }
  .site-cta h2{font-size:26px}
  .footer-top{
    grid-template-columns:1fr;
    gap:32px;
  }
  .footer-nav{
    gap:6px;
  }
  .footer-bottom{
    flex-direction:column;
    gap:12px;
    text-align:center;
  }
  .section-alt{padding:32px 20px;border-radius:14px}
  .btn{padding:11px 22px;font-size:14px}
}
@media (min-width:768px){
  .cat-banner h1{font-size:40px}
}

/* roulang page: category2 */
:root {
            --color-primary: #0B3D2E;
            --color-primary-dark: #08251E;
            --color-accent: #C6A15B;
            --color-bg: #F5F1EA;
            --color-card: #FFFFFF;
            --color-text: #1E1D1A;
            --color-text-weak: #6B675F;
            --color-border: #E4DED3;
            --color-success: #3E7E5F;
            --color-error: #B3452A;
            --radius-card: 12px;
            --radius-image: 16px;
            --radius-btn: 10px;
            --radius-badge: 999px;
            --shadow-card: 0 10px 24px rgba(20, 25, 20, 0.05);
            --shadow-card-hover: 0 16px 36px rgba(20, 25, 20, 0.09);
            --font-cn: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: Inter, "DIN Alternate", Roboto, sans-serif;
            --container: 1180px;
            --transition: 200ms ease-out;
            --space-section: 88px;
        }

        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.6;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
            border: none;
            background: none;
            outline: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .btn::before {
            content: "";
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.45s ease-out;
        }
        .btn:hover::before {
            left: 100%;
        }

        .btn-primary {
            background-color: var(--color-accent);
            color: var(--color-primary-dark);
        }
        .btn-primary:hover {
            background-color: #d4ad67;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(198, 161, 91, 0.28);
        }

        .btn-outline {
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
            background: transparent;
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
        }

        .btn-dark {
            background-color: var(--color-primary);
            color: #fff;
        }
        .btn-dark:hover {
            background-color: #10503c;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(11, 61, 46, 0.22);
        }

        .btn-sm {
            padding: 10px 22px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 16px 42px;
            font-size: 16px;
        }

        @media (max-width: 767px) {
            .btn-lg {
                padding: 14px 30px;
                font-size: 15px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(245, 241, 234, 0.82);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.04);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(20, 25, 20, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: baseline;
            gap: 8px;
            font-size: 24px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .brand-logo small {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-weak);
            letter-spacing: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 34px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 26px 0 22px;
            position: relative;
        }
        .main-nav a::after {
            content: "";
            position: absolute;
            bottom: 14px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
            transition: width 0.25s ease-out;
        }
        .main-nav a:hover {
            color: var(--color-primary);
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .header-cta {
            margin-left: 8px;
        }

        @media (max-width: 1023px) {
            .main-nav {
                gap: 20px;
            }
            .main-nav a {
                font-size: 14px;
            }
            .header-cta {
                display: none;
            }
        }

        @media (max-width: 767px) {
            .site-header {
                display: none;
            }
        }

        /* ===== Mobile Tabbar ===== */
        .mobile-tabbar {
            display: none;
        }

        @media (max-width: 767px) {
            .mobile-tabbar {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                width: 100%;
                height: calc(58px + env(safe-area-inset-bottom));
                padding-bottom: env(safe-area-inset-bottom);
                background-color: #fff;
                border-top: 1px solid var(--color-border);
                z-index: 100;
                box-shadow: 0 -4px 20px rgba(20, 25, 20, 0.04);
                align-items: center;
                justify-content: space-around;
            }
            .tab-item {
                flex: 1;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 3px;
                font-size: 11px;
                color: var(--color-text-weak);
                transition: color var(--transition);
            }
            .tab-item i {
                font-size: 18px;
                transition: color var(--transition), transform var(--transition);
            }
            .tab-item:hover,
            .tab-item.active {
                color: var(--color-primary);
            }
            .tab-item.active i {
                color: var(--color-accent);
                transform: translateY(-1px);
            }
            body {
                padding-bottom: calc(58px + env(safe-area-inset-bottom));
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text-weak);
            margin-bottom: 28px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb .sep {
            opacity: 0.4;
        }
        .breadcrumb span.current {
            color: #fff;
            font-weight: 500;
        }

        /* ===== Page Banner / Hero ===== */
        .page-banner {
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-color: var(--color-primary);
            background-blend-mode: multiply;
            padding: 160px 0 88px;
            position: relative;
            overflow: hidden;
        }
        .page-banner::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 420px;
            height: 100%;
            background: linear-gradient(135deg, transparent 0%, rgba(198, 161, 91, 0.18) 100%);
            pointer-events: none;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .banner-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 20px;
        }
        .banner-eyebrow::before {
            content: "";
            width: 34px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

        .banner-content h1 {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.15;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
        }
        .banner-content h1 .gold {
            color: var(--color-accent);
        }

        .banner-content .banner-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.6;
            margin-bottom: 36px;
            max-width: 520px;
        }

        .banner-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .banner-trust {
            display: flex;
            gap: 28px;
            margin-top: 58px;
            flex-wrap: wrap;
        }
        .banner-trust span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.74);
        }
        .banner-trust span i {
            color: var(--color-accent);
            font-size: 14px;
        }

        @media (max-width: 1023px) {
            .page-banner {
                padding: 130px 0 64px;
            }
            .banner-content h1 {
                font-size: 44px;
            }
            .banner-content .banner-sub {
                font-size: 16px;
            }
        }

        @media (max-width: 767px) {
            .page-banner {
                padding: 72px 0 52px;
                background-position: 70% center;
            }
            .banner-content h1 {
                font-size: 32px;
            }
            .banner-content .banner-sub {
                font-size: 15px;
                margin-bottom: 28px;
            }
            .banner-trust {
                gap: 14px;
                margin-top: 36px;
            }
            .banner-trust span {
                font-size: 12px;
            }
        }

        /* ===== Section Spacing ===== */
        .section {
            padding: var(--space-section) 0;
        }
        .section-white {
            background-color: var(--color-card);
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 44px;
        }
        .section-head h2 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.01em;
            color: var(--color-text);
            position: relative;
            padding-bottom: 16px;
        }
        .section-head h2::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 48px;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 3px;
        }
        .section-head .section-desc {
            font-size: 15px;
            color: var(--color-text-weak);
            max-width: 380px;
            line-height: 1.7;
        }

        @media (max-width: 767px) {
            .section {
                padding: 56px 0;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                margin-bottom: 30px;
            }
            .section-head h2 {
                font-size: 28px;
            }
        }

        /* ===== Trust Strip ===== */
        .trust-strip {
            background-color: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            padding: 40px 0;
        }
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding-left: 20px;
            border-left: 2px solid var(--color-border);
            transition: border-color var(--transition);
        }
        .trust-item:hover {
            border-left-color: var(--color-accent);
        }
        .trust-item i {
            font-size: 28px;
            color: var(--color-primary);
            width: 42px;
            text-align: center;
        }
        .trust-item .trust-text strong {
            display: block;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .trust-item .trust-text span {
            font-size: 13px;
            color: var(--color-text-weak);
            line-height: 1.4;
        }

        @media (max-width: 1023px) {
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .trust-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Security Features ===== */
        .features-wrap {
            display: flex;
            flex-direction: column;
            gap: 72px;
        }
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .feature-row.reverse .feature-media {
            order: 2;
        }
        .feature-row.reverse .feature-content {
            order: 1;
        }

        .feature-media {
            position: relative;
            border-radius: var(--radius-image);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .feature-media img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius-image);
            transition: transform 0.4s ease-out;
        }
        .feature-media:hover img {
            transform: scale(1.03);
        }
        .feature-media::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(8, 37, 30, 0.28), transparent 55%);
            border-radius: var(--radius-image);
        }

        .feature-content {
            padding: 20px 0;
        }
        .feature-content .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(11, 61, 46, 0.08);
            border-radius: var(--radius-badge);
            padding: 6px 16px;
            letter-spacing: 0.06em;
            margin-bottom: 18px;
        }
        .feature-content h3 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .feature-content p {
            font-size: 15px;
            color: var(--color-text-weak);
            line-height: 1.75;
            margin-bottom: 20px;
        }
        .feature-content ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .feature-content ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text);
        }
        .feature-content ul li i {
            color: var(--color-success);
            font-size: 14px;
            margin-top: 3px;
        }

        @media (max-width: 1023px) {
            .feature-row {
                gap: 32px;
            }
            .feature-media img {
                height: 260px;
            }
        }
        @media (max-width: 767px) {
            .features-wrap {
                gap: 48px;
            }
            .feature-row,
            .feature-row.reverse {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feature-row.reverse .feature-media {
                order: 1;
            }
            .feature-row.reverse .feature-content {
                order: 2;
            }
            .feature-media img {
                height: 200px;
            }
            .feature-content h3 {
                font-size: 21px;
            }
        }

        /* ===== Scenarios ===== */
        .scenarios-wrap {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .scenario-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 28px 24px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            background-color: var(--color-card);
            transition: all var(--transition);
            position: relative;
        }
        .scenario-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(198, 161, 91, 0.5);
        }
        .scenario-num {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            color: transparent;
            -webkit-text-stroke: 1.5px var(--color-accent);
            line-height: 1;
            min-width: 60px;
            margin-top: 4px;
        }
        .scenario-body h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .scenario-body p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
        }
        .scenario-body a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-primary);
            font-weight: 500;
            margin-top: 12px;
        }
        .scenario-body a i {
            transition: transform var(--transition);
        }
        .scenario-body a:hover i {
            transform: translateX(4px);
        }

        @media (max-width: 767px) {
            .scenarios-wrap {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Steps ===== */
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            padding: 20px 0;
        }
        .step-item {
            position: relative;
            padding: 32px 28px;
            text-align: left;
            border-top: 2px solid var(--color-border);
            transition: border-color var(--transition);
        }
        .step-item:hover {
            border-top-color: var(--color-accent);
        }
        .step-item::after {
            content: "";
            position: absolute;
            top: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--color-accent);
            transition: width 0.35s ease-out;
        }
        .step-item:hover::after {
            width: 100%;
        }
        .step-index {
            font-family: var(--font-num);
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            display: block;
            margin-bottom: 16px;
            letter-spacing: 0.08em;
        }
        .step-item h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        @media (max-width: 1023px) {
            .steps-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .steps-wrap {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Tips ===== */
        .tips-wrap {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }
        .tip-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 22px 20px;
            border-radius: var(--radius-card);
            background-color: var(--color-bg);
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .tip-item:hover {
            background-color: var(--color-card);
            border-color: var(--color-border);
            box-shadow: var(--shadow-card);
        }
        .tip-item i {
            font-size: 16px;
            color: var(--color-accent);
            margin-top: 3px;
            width: 20px;
            text-align: center;
        }
        .tip-item div h5 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .tip-item div p {
            font-size: 13px;
            color: var(--color-text-weak);
            line-height: 1.6;
        }

        @media (max-width: 767px) {
            .tips-wrap {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            transition: background-color var(--transition);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 26px 8px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 500;
            color: var(--color-text);
            transition: color var(--transition);
            background: transparent;
            text-align: left;
            width: 100%;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--color-primary);
            transition: all 0.3s ease-out;
        }
        .faq-item.open .faq-icon {
            background-color: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }
        .faq-answer-inner {
            padding: 0 8px 26px;
            font-size: 15px;
            color: var(--color-text-weak);
            line-height: 1.75;
        }

        @media (max-width: 767px) {
            .faq-question {
                font-size: 15px;
                padding: 20px 4px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background-color: var(--color-primary-dark);
            position: relative;
            padding: 100px 0;
            text-align: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, transparent var(--color-accent), var(--color-accent), transparent);
        }
        .cta-section::before {
            background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 560px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 36px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media (max-width: 767px) {
            .cta-section {
                padding: 72px 0;
            }
            .cta-section h2 {
                font-size: 28px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
                padding: 0 24px;
            }
            .cta-actions .btn {
                width: 100%;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.78);
            padding: 60px 0 30px;
            border-top: 3px solid var(--color-accent);
        }
        .footer-top {
            display: flex;
            justify-content: space-between;
            gap: 48px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 30px;
        }
        .footer-brand {
            max-width: 400px;
        }
        .footer-logo {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: baseline;
            gap: 8px;
            margin-bottom: 14px;
        }
        .footer-logo small {
            font-size: 13px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .footer-nav {
            display: flex;
            flex-direction: column;
            gap: 14px;
            align-items: flex-start;
            padding-top: 6px;
        }
        .footer-nav a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            position: relative;
            padding-left: 18px;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-nav a::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--color-accent);
        }
        .footer-nav a:hover {
            color: #fff;
            padding-left: 24px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-copy {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-copy a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .footer-copy a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 767px) {
            .site-footer {
                padding: 44px 0 20px;
            }
            .footer-top {
                flex-direction: column;
                gap: 28px;
            }
            .footer-nav {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ===== Foundation Overrides ===== */
        .button,
        .button.primary,
        .button.hollow {
            font-family: var(--font-cn);
        }

        /* Focus state for accessibility */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }