/* roulang page: index */
:root{
    --primary:#0B4F46;
    --primary-dark:#063C35;
    --primary-light:#E8F0EE;
    --accent:#D99E30;
    --accent-light:#F5E6C8;
    --bg-warm:#F6F4EF;
    --bg-white:#FFFFFF;
    --text-main:#22332F;
    --text-muted:#5A6B66;
    --text-light:#8A9A95;
    --border:#DDE5E2;
    --radius-sm:8px;
    --radius-md:12px;
    --radius-lg:24px;
    --shadow-sm:0 2px 8px rgba(6,60,53,0.06);
    --shadow-md:0 8px 24px rgba(6,60,53,0.14);
    --font-cn:'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
    --font-en:Inter,Helvetica,Arial,sans-serif;
    --transition:all 0.3s cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
    font-family:var(--font-cn);
    background:var(--bg-warm);
    color:var(--text-main);
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit;border:none;outline:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-head{margin-bottom:42px}
.section-title{
    font-size:clamp(26px,3vw,32px);
    font-weight:700;
    line-height:1.3;
    color:var(--primary-dark);
    margin-bottom:10px;
    padding-left:20px;
    position:relative;
}
.section-title::before{
    content:'';
    position:absolute;
    left:0;top:6px;bottom:6px;
    width:6px;
    border-radius:3px;
    background:var(--accent);
}
.section-sub{
    font-size:15px;
    color:var(--text-muted);
    max-width:520px;
    line-height:1.8;
    padding-left:20px;
}
/* Button */
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:14px 28px;
    border-radius:var(--radius-sm);
    font-size:15px;
    font-weight:600;
    line-height:1;
    cursor:pointer;
    transition:var(--transition);
    min-height:44px;
    border:2px solid transparent;
    text-align:center;
}
.btn-primary{
    background:var(--primary);
    color:#fff;
}
.btn-primary:hover{
    background:#0D6054;
    color:#fff;
    transform:translateY(-1px);
    box-shadow:0 6px 16px rgba(11,79,70,0.25);
}
.btn-accent{
    background:var(--accent);
    color:#fff;
}
.btn-accent:hover{
    background:#C28D26;
    color:#fff;
    transform:translateY(-1px);
    box-shadow:0 6px 16px rgba(217,158,48,0.3);
}
.btn-outline{
    background:transparent;
    color:var(--primary);
    border-color:var(--primary);
}
.btn-outline:hover{
    background:var(--primary-light);
    color:var(--primary-dark);
    border-color:var(--primary);
}
.btn-lg{padding:16px 40px;font-size:16px}
.btn-block{width:100%}
/* Header */
.site-header{
    position:fixed;
    top:0;left:0;right:0;
    z-index:1000;
    background:rgba(6,60,53,0.35);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(255,255,255,0.18);
    transition:var(--transition);
}
.site-header.is-scrolled{
    background:rgba(246,244,239,0.96);
    border-bottom-color:var(--border);
    box-shadow:0 6px 16px rgba(6,60,53,0.12);
}
.nav-wrap{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:72px;
    gap:20px;
}
.brand{
    font-size:20px;
    font-weight:700;
    color:#fff;
    letter-spacing:0.02em;
    white-space:nowrap;
    display:flex;
    align-items:baseline;
    gap:4px;
    transition:var(--transition);
}
.brand-sub{
    font-size:14px;
    font-weight:500;
    color:rgba(255,255,255,0.82);
}
.site-header.is-scrolled .brand{color:var(--primary-dark)}
.site-header.is-scrolled .brand-sub{color:var(--text-muted)}
.main-nav{
    display:flex;
    align-items:center;
    gap:4px;
    margin-left:auto;
}
.main-nav .nav-link{
    display:inline-block;
    padding:10px 14px;
    font-size:15px;
    font-weight:500;
    color:rgba(255,255,255,0.92);
    position:relative;
    transition:var(--transition);
    border-radius:var(--radius-sm);
}
.site-header.is-scrolled .main-nav .nav-link{color:var(--text-main)}
.main-nav .nav-link::after{
    content:'';
    position:absolute;
    left:14px;right:14px;bottom:6px;
    height:2px;
    background:var(--accent);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform 0.2s ease;
}
.main-nav .nav-link:hover::after,
.main-nav .nav-link.active::after{
    transform:scaleX(1);
}
.main-nav .nav-link:hover{color:#fff}
.site-header.is-scrolled .main-nav .nav-link:hover{color:var(--primary)}
.has-dropdown{
    position:relative;
}
.dropdown-menu{
    position:absolute;
    top:100%;
    left:0;
    min-width:220px;
    background:var(--bg-white);
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    box-shadow:var(--shadow-md);
    padding:8px;
    opacity:0;
    visibility:hidden;
    transform:translateY(10px);
    transition:var(--transition);
    z-index:100;
}
.has-dropdown:hover .dropdown-menu{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
}
.dropdown-menu a{
    display:block;
    padding:10px 14px;
    color:var(--text-main);
    font-size:14px;
    border-radius:var(--radius-sm);
    transition:var(--transition);
}
.dropdown-menu a:hover{
    background:var(--primary-light);
    color:var(--primary);
}
.nav-cta{
    margin-left:8px;
    background:var(--accent);
    color:#fff;
    padding:9px 20px;
    border-radius:var(--radius-sm);
    font-size:14px;
    font-weight:600;
    transition:var(--transition);
    white-space:nowrap;
}
.nav-cta:hover{
    background:#C28D26;
    color:#fff;
    transform:translateY(-1px);
    box-shadow:0 4px 12px rgba(217,158,48,0.35);
}
.menu-toggle{
    display:none;
    background:none;
    border:none;
    cursor:pointer;
    width:44px;height:44px;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:6px;
}
.menu-toggle span{
    display:block;
    width:22px;height:2px;
    background:#fff;
    border-radius:2px;
    transition:var(--transition);
}
.site-header.is-scrolled .menu-toggle span{background:var(--primary-dark)}
/* Mobile Menu */
.mobile-menu{
    position:fixed;
    top:0;left:0;right:0;bottom:0;
    background:var(--bg-warm);
    z-index:2000;
    padding:0 28px;
    display:flex;
    flex-direction:column;
    justify-content:center;
    opacity:0;
    visibility:hidden;
    transition:var(--transition);
}
.mobile-menu.is-open{
    opacity:1;
    visibility:visible;
}
.mobile-menu-close{
    position:absolute;
    top:18px;right:24px;
    width:44px;height:44px;
    background:var(--primary-light);
    border-radius:50%;
    border:none;
    font-size:26px;
    color:var(--primary-dark);
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    transition:var(--transition);
}
.mobile-menu-close:hover{transform:rotate(90deg)}
.mobile-menu-inner{
    max-width:400px;
    margin:0 auto;
    width:100%;
}
.mobile-menu-inner a.mobile-link{
    display:block;
    padding:15px 0;
    font-size:22px;
    font-weight:600;
    color:var(--primary-dark);
    border-bottom:1px solid var(--border);
    transition:var(--transition);
}
.mobile-menu-inner a.mobile-link:hover{
    color:var(--accent);
    padding-left:10px;
}
.mobile-menu-cats{
    display:flex;
    flex-direction:column;
    gap:0;
    margin:18px 0;
}
.mobile-menu-cats a{
    display:block;
    padding:12px 0;
    font-size:17px;
    font-weight:500;
    color:var(--text-muted);
    border-bottom:1px solid rgba(221,229,226,0.6);
    transition:var(--transition);
}
.mobile-menu-cats a:hover{color:var(--accent);padding-left:10px}
.mobile-menu-cta{
    margin-top:28px;
}
.mobile-menu-cta .btn{
    width:100%;
    padding:16px;
    font-size:17px;
}
/* Hero */
.hero-section{
    min-height:100vh;
    display:flex;
    align-items:center;
    position:relative;
    background:
        linear-gradient(115deg, rgba(6,60,53,0.94) 0%, rgba(11,79,70,0.85) 60%, rgba(11,79,70,0.72) 100%),
        url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    color:#fff;
    padding:120px 0 80px;
    overflow:hidden;
}
.hero-section::after{
    content:'';
    position:absolute;
    bottom:0;left:0;right:0;
    height:5px;
    background:linear-gradient(90deg,var(--accent),transparent 60%);
}
.hero-grid{
    display:grid;
    grid-template-columns:1.1fr 0.9fr;
    gap:60px;
    align-items:center;
}
.hero-badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:rgba(255,255,255,0.12);
    border:1px solid rgba(255,255,255,0.25);
    padding:8px 16px;
    border-radius:30px;
    font-size:13px;
    font-weight:500;
    margin-bottom:22px;
    color:#fff;
}
.hero-badge .badge-dot{
    width:8px;height:8px;
    border-radius:50%;
    background:var(--accent);
    box-shadow:0 0 0 3px rgba(217,158,48,0.25);
}
.hero-title{
    font-size:clamp(34px,5vw,44px);
    font-weight:700;
    line-height:1.25;
    margin-bottom:20px;
    color:#fff;
    letter-spacing:0.01em;
}
.hero-title .gold{
    color:var(--accent);
    position:relative;
}
.hero-desc{
    font-size:16px;
    line-height:1.85;
    color:rgba(255,255,255,0.88);
    max-width:480px;
    margin-bottom:34px;
}
.hero-actions{
    display:flex;
    align-items:center;
    gap:16px;
    flex-wrap:wrap;
}
.hero-actions .btn-primary{
    background:var(--accent);
    color:#fff;
}
.hero-actions .btn-primary:hover{background:#C28D26}
.hero-trust{
    display:flex;
    gap:24px;
    margin-top:44px;
    flex-wrap:wrap;
}
.trust-item{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:13px;
    color:rgba(255,255,255,0.75);
}
.trust-item svg{width:18px;height:18px;stroke:var(--accent);flex-shrink:0}
.hero-visual{
    position:relative;
    background:rgba(255,255,255,0.08);
    border:1px solid rgba(255,255,255,0.18);
    border-radius:var(--radius-lg);
    padding:20px;
    box-shadow:0 20px 60px rgba(0,0,0,0.15);
    backdrop-filter:blur(8px);
}
.hero-visual .sec-tag{
    position:absolute;
    top:-12px;right:20px;
    background:var(--accent);
    color:#fff;
    font-size:12px;
    font-weight:600;
    padding:6px 16px;
    border-radius:20px;
    box-shadow:0 4px 12px rgba(217,158,48,0.4);
}
.visual-card{
    background:rgba(255,255,255,0.92);
    border-radius:var(--radius-md);
    padding:24px;
    margin-bottom:12px;
}
.visual-card-title{
    font-size:15px;
    font-weight:700;
    color:var(--text-main);
    margin-bottom:14px;
    display:flex;
    align-items:center;
    gap:8px;
}
.visual-form-row{
    margin-bottom:14px;
}
.visual-form-row label{
    display:block;
    font-size:12px;
    color:var(--text-muted);
    margin-bottom:5px;
}
.visual-form-row .v-input{
    width:100%;
    padding:11px 14px;
    border:1px solid var(--border);
    border-radius:var(--radius-sm);
    font-size:14px;
    background:var(--bg-warm);
    color:var(--text-main);
}
.visual-form-row .v-input::placeholder{color:var(--text-light)}
.visual-login-btn{
    display:block;
    width:100%;
    background:var(--primary);
    color:#fff;
    text-align:center;
    padding:12px;
    border-radius:var(--radius-sm);
    font-size:14px;
    font-weight:600;
    margin-top:10px;
    transition:var(--transition);
}
.visual-login-btn:hover{background:var(--primary-dark);color:#fff}
.visual-foot{
    display:flex;
    justify-content:space-between;
    margin-top:14px;
    font-size:12px;
    color:var(--text-muted);
}
.visual-note{
    text-align:center;
    font-size:12px;
    color:rgba(255,255,255,0.7);
    padding-top:8px;
}
/* Feature Section */
.feature-section{
    background:var(--bg-warm);
}
.feature-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:24px;
}
.feature-card{
    background:var(--bg-white);
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    padding:36px;
    transition:var(--transition);
    position:relative;
    overflow:hidden;
}
.feature-card:hover{
    box-shadow:var(--shadow-md);
    transform:translateY(-3px);
    border-color:rgba(217,158,48,0.4);
}
.feature-card-full{
    grid-column:1 / -1;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:32px;
    align-items:center;
    padding:44px;
    background:var(--primary);
    border:none;
    color:#fff;
    overflow:hidden;
}
.feature-card-full:hover{
    transform:translateY(-3px);
    box-shadow:0 12px 30px rgba(6,60,53,0.25);
}
.feature-card-full .feature-tag{
    background:rgba(217,158,48,0.25);
    color:var(--accent);
    border:1px solid rgba(217,158,48,0.35);
}
.feature-card-full .feature-title{color:#fff}
.feature-card-full .feature-text{color:rgba(255,255,255,0.82)}
.feature-card-full .feature-icon{
    background:rgba(255,255,255,0.12) !important;
}
.feature-tag{
    display:inline-block;
    background:var(--accent-light);
    color:var(--primary);
    font-size:12px;
    font-weight:600;
    padding:5px 14px;
    border-radius:20px;
    margin-bottom:18px;
    letter-spacing:0.02em;
}
.feature-icon{
    width:58px;height:58px;
    background:var(--primary-light);
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    margin-bottom:18px;
    color:var(--primary);
}
.feature-icon svg{width:26px;height:26px}
.feature-title{
    font-size:20px;
    font-weight:700;
    color:var(--primary-dark);
    margin-bottom:10px;
    line-height:1.4;
}
.feature-text{
    font-size:15px;
    line-height:1.8;
    color:var(--text-muted);
}
/* Demo Section */
.demo-section{
    background:var(--primary-light);
    padding:88px 0;
}
.demo-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:60px;
    align-items:center;
}
.demo-steps{
    display:flex;
    flex-direction:column;
    gap:0;
}
.demo-step{
    display:flex;
    gap:20px;
    padding-bottom:34px;
    position:relative;
}
.demo-step::before{
    content:'';
    position:absolute;
    left:26px;top:52px;bottom:0;
    width:2px;
    background:var(--primary);
    opacity:0.2;
}
.demo-step:last-child::before{display:none}
.demo-step:last-child{padding-bottom:0}
.step-num{
    width:52px;height:52px;
    background:var(--primary);
    color:#fff;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:18px;
    font-weight:700;
    flex-shrink:0;
    box-shadow:0 4px 12px rgba(11,79,70,0.3);
    z-index:1;
}
.step-content{
    padding-top:2px;
}
.step-title{
    font-size:18px;
    font-weight:700;
    color:var(--primary-dark);
    margin-bottom:6px;
}
.step-text{
    font-size:15px;
    color:var(--text-muted);
    line-height:1.7;
}
.demo-visual{
    position:relative;
}
.demo-visual img{
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-md);
    width:100%;
    object-fit:cover;
}
.demo-visual .demo-note{
    position:absolute;
    bottom:-16px;
    left:50%;
    transform:translateX(-50%);
    background:var(--accent);
    color:#fff;
    padding:10px 22px;
    border-radius:30px;
    font-size:13px;
    font-weight:600;
    box-shadow:0 8px 20px rgba(217,158,48,0.35);
    white-space:nowrap;
}
/* Proof Section */
.proof-section{
    background:var(--bg-warm);
}
.proof-stats{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
    margin-bottom:48px;
}
.p-stat{
    background:var(--bg-white);
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    padding:28px 20px;
    text-align:center;
    transition:var(--transition);
}
.p-stat:hover{
    box-shadow:var(--shadow-sm);
    transform:translateY(-2px);
}
.p-stat-num{
    font-size:32px;
    font-weight:800;
    color:var(--primary);
    line-height:1.2;
    margin-bottom:6px;
    font-family:var(--font-en);
}
.p-stat-label{
    font-size:13px;
    color:var(--text-muted);
}
.proof-quotes{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:24px;
}
.p-quote{
    background:var(--bg-white);
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    padding:30px;
    position:relative;
    transition:var(--transition);
}
.p-quote:hover{
    box-shadow:var(--shadow-md);
    transform:translateY(-2px);
}
.p-quote::before{
    content:'“';
    position:absolute;
    top:16px;left:20px;
    font-size:52px;
    font-family:Georgia,serif;
    color:var(--accent);
    line-height:1;
    opacity:0.6;
}
.p-quote-q{
    font-size:15px;
    line-height:1.85;
    color:var(--text-main);
    padding-left:30px;
    margin-top:8px;
}
.p-quote-a{
    display:block;
    margin-top:16px;
    padding-left:30px;
    font-size:13px;
    color:var(--text-light);
}
/* Pricing Section */
.pricing-section{
    background:var(--bg-warm);
    padding-top:64px;
}
.pricing-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
    align-items:stretch;
}
.pricing-card{
    background:var(--bg-white);
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    padding:36px;
    display:flex;
    flex-direction:column;
    position:relative;
    transition:var(--transition);
}
.pricing-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-md);
}
.pricing-card.popular{
    background:var(--primary);
    border-color:var(--primary);
    color:#fff;
    padding:46px 36px;
    position:relative;
    overflow:hidden;
}
.pricing-card.popular .price-amount{
    color:var(--accent);
}
.popular-badge{
    position:absolute;
    top:18px;right:-30px;
    background:var(--accent);
    color:#fff;
    padding:7px 36px;
    font-size:12px;
    font-weight:700;
    transform:rotate(45deg);
    box-shadow:0 4px 10px rgba(217,158,48,0.4);
}
.pricing-name{
    font-size:18px;
    font-weight:700;
    margin-bottom:6px;
    color:var(--primary-dark);
}
.pricing-card.popular .pricing-name{color:#fff}
.pricing-desc{
    font-size:13px;
    color:var(--text-muted);
    margin-bottom:24px;
    line-height:1.6;
}
.pricing-card.popular .pricing-desc{color:rgba(255,255,255,0.75)}
.price-box{
    display:flex;
    align-items:baseline;
    gap:4px;
    margin-bottom:24px;
}
.price-currency{
    font-size:16px;
    font-weight:600;
    color:var(--text-muted);
}
.price-amount{
    font-size:40px;
    font-weight:800;
    color:var(--primary);
    line-height:1;
    font-family:var(--font-en);
}
.price-per{
    font-size:14px;
    color:var(--text-light);
}
.pricing-card.popular .price-currency{color:rgba(255,255,255,0.7)}
.pricing-card.popular .price-per{color:rgba(255,255,255,0.55)}
.pricing-features{
    margin:0 0 28px;
    flex-grow:1;
}
.pricing-features li{
    padding:7px 0;
    font-size:14px;
    color:var(--text-main);
    display:flex;
    align-items:center;
    gap:8px;
    line-height:1.6;
}
.pricing-features li::before{
    content:'✓';
    color:var(--primary);
    font-weight:700;
    font-size:13px;
    flex-shrink:0;
}
.pricing-card.popular .pricing-features li{color:rgba(255,255,255,0.92)}
.pricing-card.popular .pricing-features li::before{color:var(--accent)}
/* CMS News Section */
.news-section{
    background:var(--bg-warm);
    padding-top:64px;
}
.news-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:24px;
}
.news-card{
    background:var(--bg-white);
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    padding:28px;
    display:flex;
    flex-direction:column;
    transition:var(--transition);
    height:100%;
}
.news-card:hover{
    border-color:var(--primary);
    transform:translateY(-2px);
    box-shadow:var(--shadow-md);
}
.news-card-top{
    display:flex;
    align-items:center;
    justify-content:space-between;
    margin-bottom:14px;
}
.news-tag{
    background:var(--primary-light);
    color:var(--primary);
    font-size:12px;
    font-weight:600;
    padding:5px 14px;
    border-radius:20px;
}
.news-date{
    font-size:13px;
    color:var(--text-light);
}
.news-title{
    font-size:17px;
    font-weight:700;
    color:var(--primary-dark);
    line-height:1.45;
    margin-bottom:10px;
    transition:var(--transition);
}
.news-card:hover .news-title{color:var(--primary)}
.news-excerpt{
    font-size:14px;
    color:var(--text-muted);
    line-height:1.7;
    margin-bottom:16px;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    flex-grow:1;
}
.news-link{
    font-size:13px;
    font-weight:600;
    color:var(--primary);
    display:inline-flex;
    align-items:center;
    gap:6px;
}
.news-link:hover{color:var(--accent)}
.news-empty{
    grid-column:1/-1;
    text-align:center;
    padding:60px 30px;
    background:var(--bg-white);
    border:1px dashed var(--border);
    border-radius:var(--radius-md);
    color:var(--text-muted);
    font-size:15px;
}
.news-empty-icon{
    width:60px;height:60px;
    background:var(--primary-light);
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    margin:0 auto 16px;
    font-size:28px;
    color:var(--primary);
}
/* FAQ Section */
.faq-section{
    background:var(--bg-warm);
    padding-top:64px;
}
.faq-wrap{
    max-width:860px;
    margin:0 auto;
}
.faq-accordion{
    display:flex;
    flex-direction:column;
    gap:14px;
    background:transparent !important;
}
.faq-accordion .accordion-item{
    background:var(--bg-white);
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    overflow:hidden;
    transition:var(--transition);
    margin:0;
}
.faq-accordion .accordion-item:hover{
    border-color:rgba(11,79,70,0.35);
    box-shadow:var(--shadow-sm);
}
.faq-accordion .accordion-item.is-active{
    border-color:var(--accent);
    box-shadow:var(--shadow-sm);
}
.faq-accordion .accordion-title{
    background:transparent !important;
    border:none !important;
    color:var(--text-main) !important;
    font-size:16px;
    font-weight:600;
    padding:24px 52px 20px 28px !important;
    line-height:1.5;
    position:relative;
    display:flex;
    align-items:center;
    min-height:72px;
    transition:var(--transition);
}
.faq-accordion .accordion-item.is-active .accordion-title{
    color:var(--primary) !important;
    padding-left:32px;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{
    content:'';
    position:absolute;
    left:0;top:20px;bottom:20px;
    width:4px;
    background:var(--accent);
    border-radius:0 4px 4px 0;
}
.faq-accordion .accordion-title::after{
    content:'+';
    position:absolute;
    right:22px;top:50%;
    transform:translateY(-50%);
    font-size:22px;
    font-weight:300;
    color:var(--primary);
    transition:var(--transition);
    width:32px;height:32px;
    border-radius:50%;
    background:var(--primary-light);
    display:flex;
    align-items:center;
    justify-content:center;
    line-height:1;
    font-family:var(--font-en);
}
.faq-accordion .accordion-item.is-active .accordion-title::after{
    content:'−';
    background:var(--accent);
    color:#fff;
}
.faq-accordion .accordion-content{
    background:transparent !important;
    border:none !important;
    padding:0 28px 24px !important;
    color:var(--text-muted);
    font-size:14px;
    line-height:1.85;
    border-top:none !important;
}
/* CTA Section */
.cta-section{
    background:
        linear-gradient(135deg, rgba(6,60,53,0.94) 0%, rgba(11,79,70,0.9) 100%),
        url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    padding:90px 0;
    position:relative;
    text-align:center;
    color:#fff;
}
.cta-section::before{
    content:'';
    position:absolute;
    top:0;left:0;right:0;bottom:0;
    background:linear-gradient(180deg, rgba(6,60,53,0.3) 0%, rgba(6,60,53,0.1) 50%, rgba(6,60,53,0.4) 100%);
}
.cta-content{
    position:relative;
    z-index:1;
}
.cta-title{
    font-size:clamp(26px,3.4vw,36px);
    font-weight:700;
    margin-bottom:14px;
    line-height:1.35;
}
.cta-desc{
    font-size:16px;
    color:rgba(255,255,255,0.8);
    margin-bottom:32px;
    max-width:520px;
    margin-left:auto;
    margin-right:auto;
    line-height:1.8;
}
.cta-actions{
    display:flex;
    gap:16px;
    justify-content:center;
    flex-wrap:wrap;
}
/* Footer */
.site-footer{
    background:var(--primary-dark);
    color:rgba(255,255,255,0.8);
    padding:70px 0 22px;
}
.footer-grid{
    display:grid;
    grid-template-columns:1fr 1fr 1fr;
    gap:48px;
    margin-bottom:48px;
}
.footer-brand-txt{
    font-size:20px;
    font-weight:700;
    color:#fff;
    margin-bottom:14px;
}
.footer-desc{
    font-size:14px;
    line-height:1.8;
    color:rgba(255,255,255,0.65);
    max-width:300px;
}
.footer-heading{
    font-size:15px;
    font-weight:700;
    color:#fff;
    margin-bottom:18px;
    position:relative;
    padding-bottom:10px;
}
.footer-heading::after{
    content:'';
    position:absolute;
    left:0;bottom:0;
    width:32px;height:2px;
    background:var(--accent);
}
.footer-links li{
    margin-bottom:10px;
}
.footer-links a{
    color:rgba(255,255,255,0.65);
    font-size:14px;
    transition:var(--transition);
    display:inline-block;
}
.footer-links a:hover{
    color:var(--accent);
    padding-left:5px;
}
.footer-contact li{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:14px;
    margin-bottom:12px;
    color:rgba(255,255,255,0.65);
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,0.12);
    padding-top:22px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:12px;
    font-size:13px;
    color:rgba(255,255,255,0.5);
}
/* Floating CTA */
.floating-cta{
    position:fixed;
    right:24px;
    bottom:24px;
    z-index:900;
    background:var(--accent);
    color:#fff;
    width:56px;
    height:56px;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:15px;
    font-weight:700;
    box-shadow:0 8px 24px rgba(217,158,48,0.4);
    transition:var(--transition);
    opacity:0;
    visibility:hidden;
    transform:translateY(20px);
    cursor:pointer;
}
.floating-cta.visible{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
}
.floating-cta:hover{
    background:#C28D26;
    color:#fff;
    transform:translateY(-2px);
    box-shadow:0 12px 30px rgba(217,158,48,0.5);
}
.clearfix::before,.clearfix::after{content:'';display:table;clear:both}
/* focus-visible */
a:focus-visible,
button:focus-visible,
input:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:2px;
}
.btn:focus-visible{
    box-shadow:0 0 0 4px rgba(217,158,48,0.3);
}
/* Responsive */
@media screen and (max-width:1024px){
    .hero-grid{
        grid-template-columns:1fr;
        gap:40px;
    }
    .hero-visual{max-width:520px}
    .demo-grid{
        grid-template-columns:1fr;
        gap:48px;
    }
    .pricing-grid{
        grid-template-columns:1fr;
        max-width:480px;
        margin:0 auto;
    }
    .pricing-card.popular{
        order:-1;
    }
}
@media screen and (max-width:840px){
    .main-nav{display:none}
    .nav-cta{display:none}
    .menu-toggle{
        display:flex;
    }
    .footer-grid{
        grid-template-columns:1fr;
        gap:32px;
    }
    .feature-grid{
        grid-template-columns:1fr;
    }
    .feature-card-full{
        grid-template-columns:1fr;
        padding:28px;
    }
    .proof-stats{
        grid-template-columns:repeat(2,1fr);
    }
    .proof-quotes{
        grid-template-columns:1fr;
    }
    .news-grid{
        grid-template-columns:1fr;
    }
    .section{
        padding:60px 0;
    }
    .hero-title{
        font-size:clamp(28px,6vw,32px);
    }
}
@media screen and (max-width:520px){
    .container{
        padding:0 18px;
    }
    .proof-stats{
        grid-template-columns:repeat(2,1fr);
        gap:12px;
    }
    .p-stat{
        padding:18px 12px;
    }
    .p-stat-num{
        font-size:26px;
    }
    .hero-actions .btn{
        flex:1 1 100%;
    }
    .hero-trust{
        gap:12px;
        flex-direction:column;
    }
    .floating-cta{
        width:48px;
        height:48px;
        font-size:13px;
        right:14px;
        bottom:14px;
    }
    .news-card{
        padding:20px;
    }
    .section-title{
        font-size:24px;
    }
    .footer-bottom{
        flex-direction:column;
        align-items:flex-start;
    }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #0B4F46;
  --primary-dark: #063C35;
  --accent: #D99E30;
  --accent-soft: #E8C06E;
  --bg-warm: #F6F4EF;
  --bg-soft: #E8F0EE;
  --text-main: #22332F;
  --text-sub: #5A6B66;
  --border: #DDE5E2;
  --error: #B93E3E;
  --success: #2F7D5A;
  --radius: 12px;
  --radius-lg: 24px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(6,60,53,0.06);
  --shadow-hover: 0 8px 24px rgba(6,60,53,0.14);
  --transition: 0.2s ease;
  --font-main: "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-en: Inter,Helvetica,Arial,sans-serif;
}

/* ===== Reset & Base ===== */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg-warm);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

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

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border: 2px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
  letter-spacing: 0.02em;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: #0F5F54;
  border-color: #0F5F54;
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}
.btn-primary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--bg-soft);
  border-color: var(--primary-dark);
}
.btn-accent {
  background: var(--accent);
  color: var(--primary-dark);
  border-color: var(--accent);
}
.btn-accent:hover {
  background: var(--accent-soft);
  border-color: var(--accent-soft);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}
.btn-light {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.btn-light:hover {
  background: var(--bg-soft);
  border-color: var(--bg-soft);
  transform: translateY(-1px);
}

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6,60,53,0.35);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.18);
  box-shadow: 0 4px 20px rgba(6,60,53,0.08);
  transition: background 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}
.site-header.scrolled {
  background: rgba(246,244,239,0.96);
  border-bottom-color: var(--border);
  box-shadow: 0 6px 16px rgba(6,60,53,0.12);
}
.site-header.scrolled .brand-logo,
.site-header.scrolled .nav-link {
  color: var(--primary-dark);
}
.site-header.scrolled .nav-cta {
  background: var(--primary);
  color: #fff;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  position: relative;
}
.brand-logo {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.brand-logo .brand-sub {
  color: var(--accent-soft);
  font-weight: 500;
}
.site-header.scrolled .brand-logo .brand-sub {
  color: var(--accent);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  display: inline-block;
  padding: 8px 16px;
  color: rgba(255,255,255,0.92);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition), background var(--transition);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.nav-link:hover {
  color: var(--accent-soft);
}
.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}
.has-dropdown {
  position: relative;
}
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s ease;
  border: 1px solid var(--border);
  z-index: 50;
}
.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  color: var(--text-main);
  border-left: 3px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.dropdown-menu a:hover {
  background: var(--bg-soft);
  border-left-color: var(--accent);
}
.dropdown-menu a.active {
  color: var(--primary);
  font-weight: 600;
  border-left-color: var(--accent);
  background: rgba(232,240,238,0.6);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 24px;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 600;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}
.nav-cta:hover {
  background: var(--accent-soft);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(217,158,48,0.35);
}
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  margin: 4px 0;
  border-radius: 2px;
  transition: all 0.3s ease;
}
.site-header.scrolled .nav-toggle span { background: var(--primary-dark); }
.nav-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 移动菜单 */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-warm);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 10px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}
.mobile-menu a {
  font-size: 22px;
  font-weight: 600;
  color: var(--primary);
  padding: 12px 20px;
  border-radius: var(--radius);
  transition: background 0.2s ease;
}
.mobile-menu a:hover {
  background: var(--bg-soft);
}
.mobile-menu .dropdown-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.mobile-menu .dropdown-section .drop-head {
  font-size: 18px;
  color: var(--text-sub);
  font-weight: 500;
  padding: 8px 20px;
}
.mobile-menu .dropdown-section a {
  font-size: 18px;
  font-weight: 500;
  padding: 8px 20px;
}
.mobile-menu .mobile-cta {
  margin-top: 20px;
  background: var(--primary);
  color: #fff;
  border-radius: 100px;
  padding: 12px 36px;
  font-size: 16px;
}

/* ===== Hero 窄横幅 ===== */
.hero-banner {
  min-height: 42vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 140px 24px 80px;
}
.hero-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(6,60,53,0.88), rgba(11,79,70,0.78));
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 18px;
  border: 1px solid var(--accent);
  border-radius: 100px;
  color: var(--accent-soft);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
  background: rgba(6,60,53,0.4);
}
.hero-banner h1 {
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.hero-banner p {
  font-size: 16px;
  color: rgba(255,255,255,0.9);
  line-height: 1.8;
  max-width: 640px;
  margin: 0 auto;
}

/* ===== 分区通用 ===== */
.section {
  padding: 72px 0;
}
.section-head {
  margin-bottom: 44px;
  text-align: left;
}
.section-head .section-kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: clamp(26px, 3vw, 32px);
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.3;
  position: relative;
  padding-left: 18px;
}
.section-head h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 5px;
  border-radius: 4px;
  background: var(--accent);
}
.section-head .section-sub {
  color: var(--text-sub);
  font-size: 15px;
  margin-top: 12px;
  max-width: 680px;
  line-height: 1.8;
}

.bg-soft { background: var(--bg-soft); }
.bg-warm { background: var(--bg-warm); }

/* ===== 概览区（左文右图） ===== */
.overview-wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.overview-text .lead {
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-main);
  margin-bottom: 24px;
}
.overview-text .lead strong {
  color: var(--primary);
  font-weight: 600;
}
.overview-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}
.overview-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.overview-list .ov-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 15px;
  font-weight: 700;
  flex-shrink: 0;
  border: 1px solid var(--border);
}
.overview-list .ov-text h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 2px;
}
.overview-list .ov-text p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.65;
}
.overview-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.overview-image img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}
.overview-image::after {
  content: '官方登录指引';
  position: absolute;
  left: 16px;
  bottom: 16px;
  background: rgba(6,60,53,0.82);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid var(--accent);
  letter-spacing: 0.04em;
}

/* ===== 步骤区 ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all var(--transition);
}
.step-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  border: 3px solid var(--bg-soft);
}
.step-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 8px;
}
.step-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== 方式对比 ===== */
.methods-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.method-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 36px 30px;
  transition: all var(--transition);
  position: relative;
}
.method-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.method-card .method-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(217,158,48,0.12);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.method-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 10px;
}
.method-card p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.75;
  margin-bottom: 16px;
}
.method-card ul {
  list-style: none;
  padding: 0;
}
.method-card ul li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-main);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.method-card ul li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== 问题排查 ===== */
.trouble-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.issue-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
  transition: all var(--transition);
  border-left: 4px solid transparent;
}
.issue-card:hover {
  border-left-color: var(--accent);
  box-shadow: var(--shadow-sm);
}
.issue-card h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 6px;
}
.issue-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== 分类入口 ===== */
.cat-card-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.cat-entry-card {
  display: flex;
  align-items: center;
  gap: 24px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.cat-entry-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.cat-entry-icon {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  border-radius: 18px;
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}
.cat-entry-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 4px;
}
.cat-entry-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}
.cat-entry-link {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.cat-entry-link:hover {
  color: var(--accent);
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item.open {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  transition: background 0.2s ease;
  position: relative;
}
.faq-question:hover {
  background: var(--bg-soft);
}
.faq-question .faq-arrow {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item.open .faq-question .faq-arrow {
  transform: rotate(45deg);
}
.faq-item.open .faq-question {
  color: var(--primary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.75;
  border-left: 3px solid var(--accent);
}
.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 4px 24px 20px;
}

/* ===== CTA 区 ===== */
.cta-section {
  background: var(--primary-dark);
  position: relative;
  padding: 72px 0;
  text-align: center;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}
.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: clamp(24px, 3vw, 30px);
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
}
.cta-inner p {
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  margin-bottom: 28px;
  line-height: 1.7;
}
.cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #052D28;
  color: rgba(255,255,255,0.78);
  padding: 56px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand-txt {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255,255,255,0.65);
  max-width: 360px;
}
.footer-heading {
  font-size: 16px;
  font-weight: 600;
  color: var(--accent-soft);
  margin-bottom: 14px;
}
.footer-links li,
.footer-contact li {
  margin-bottom: 8px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  transition: color 0.2s ease;
}
.footer-links a:hover {
  color: var(--accent-soft);
}
.footer-contact {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== 浮动 CTA ===== */
.float-cta {
  position: fixed;
  right: 24px;
  bottom: 32px;
  z-index: 900;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(6,60,53,0.3);
  border: 2px solid var(--accent);
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}
.float-cta.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.float-cta:hover {
  background: var(--primary-dark);
  transform: scale(1.06);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .overview-wrap { grid-template-columns: 1fr; gap: 40px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .methods-grid { grid-template-columns: 1fr; }
  .cat-card-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 56px 0; }
  .steps-grid { grid-template-columns: 1fr; }
  .trouble-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-banner { min-height: 50vh; padding: 120px 20px 60px; }
  .hero-banner h1 { font-size: 28px; }
  .overview-image img { height: 260px; }
  .cat-entry-card { flex-direction: column; text-align: center; }
  .cat-entry-card .cat-entry-icon { margin-bottom: 10px; }
  .cat-entry-link { justify-content: center; }
  .cta-btns { flex-direction: column; align-items: center; }
  .cta-btns .btn { width: 100%; max-width: 320px; }
  .float-cta {
    width: 48px;
    height: 48px;
    right: 16px;
    bottom: 20px;
    font-size: 13px;
  }
}

/* ===== 可访问性 ===== */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* roulang page: article */
/* ==========================================================================
           1. CSS 变量与设计令牌
           ========================================================================== */
        :root {
            --primary: #0B4F46;
            --primary-dark: #063C35;
            --primary-light: #E8F0EE;
            --accent: #D99E30;
            --accent-light: #F5E6C8;
            --bg: #F6F4EF;
            --bg-white: #FFFFFF;
            --text: #22332F;
            --text-light: #5A6B66;
            --border: #DDE5E2;
            --error: #B93E3E;
            --success: #2F7D5A;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(6, 60, 53, 0.06);
            --shadow-lg: 0 8px 24px rgba(6, 60, 53, 0.14);
            --transition: all 0.3s ease;
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", Helvetica, Arial, sans-serif;
            --font-en: "Inter", Helvetica, Arial, sans-serif;
            --header-height: 72px;
            --container-width: 1200px;
        }

        /* ==========================================================================
           2. Reset 与基础样式
           ========================================================================== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        a:hover,
        a:focus-visible {
            color: var(--accent);
        }

        ul, ol {
            list-style: none;
        }

        button {
            border: none;
            background: none;
            font-family: inherit;
            cursor: pointer;
        }

        input, textarea {
            font-family: inherit;
        }

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

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ==========================================================================
           3. 按钮
           ========================================================================== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: var(--transition);
            border: 2px solid transparent;
            min-height: 44px;
            cursor: pointer;
            white-space: nowrap;
            gap: 6px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:hover,
        .btn-primary:focus-visible {
            background: #0e6054;
            border-color: #0e6054;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-secondary:hover,
        .btn-secondary:focus-visible {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-accent:hover,
        .btn-accent:focus-visible {
            background: #c88f28;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-large {
            padding: 16px 36px;
            font-size: 16px;
        }

        .btn:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ==========================================================================
           4. 导航
           ========================================================================== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 16px 0;
            background: rgba(6, 60, 53, 0.35);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.18);
            box-shadow: 0 4px 20px rgba(6, 60, 53, 0.08);
            transition: var(--transition);
        }

        .site-header.scrolled {
            padding: 8px 0;
            background: rgba(246, 244, 239, 0.96);
            border-bottom: 1px solid rgba(221, 229, 226, 0.8);
            box-shadow: 0 6px 16px rgba(6, 60, 53, 0.12);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            flex-shrink: 0;
            line-height: 1.3;
        }

        .brand-logo span {
            color: var(--accent);
            font-weight: 500;
            margin-left: 4px;
        }

        .site-header.scrolled .brand-logo {
            color: var(--primary-dark);
        }

        .site-header.scrolled .brand-logo span {
            color: var(--accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.92);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 6px 2px;
            transition: var(--transition);
        }

        .nav-link::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.2s ease;
        }

        .nav-link:hover::after,
        .nav-link:focus-visible::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }

        .site-header.scrolled .nav-link {
            color: var(--text);
        }

        .nav-link:hover,
        .nav-link:focus-visible {
            color: var(--accent);
        }

        .has-dropdown {
            position: relative;
        }

        .has-dropdown .dropdown-menu {
            position: absolute;
            top: calc(100% + 12px);
            left: 50%;
            transform: translateX(-50%);
            min-width: 220px;
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            padding: 8px;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 100;
        }

        .has-dropdown:hover .dropdown-menu,
        .has-dropdown:focus-within .dropdown-menu {
            opacity: 1;
            visibility: visible;
            top: calc(100% + 8px);
        }

        .dropdown-menu a {
            display: block;
            padding: 10px 16px;
            color: var(--text);
            font-size: 14px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .dropdown-menu a:hover,
        .dropdown-menu a:focus-visible {
            background: var(--primary-light);
            color: var(--primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-nav {
            padding: 10px 20px;
            font-size: 14px;
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
            box-shadow: none;
        }

        .btn-nav:hover,
        .btn-nav:focus-visible {
            background: #c88f28;
            border-color: #c88f28;
            color: #fff;
        }

        .site-header.scrolled .btn-nav {
            background: var(--primary);
            border-color: var(--primary);
        }

        .site-header.scrolled .btn-nav:hover {
            background: #0e6054;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.2);
            transition: var(--transition);
        }

        .menu-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            margin: 3px 0;
            border-radius: 2px;
            transition: var(--transition);
        }

        .site-header.scrolled .menu-toggle span {
            background: var(--primary);
        }

        .menu-toggle.active span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        /* 移动端抽屉菜单 */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 100%;
            max-width: 320px;
            background: var(--bg);
            z-index: 999;
            padding: 100px 32px 40px;
            transform: translateX(100%);
            transition: transform 0.4s ease;
            overflow-y: auto;
            box-shadow: -8px 0 32px rgba(6, 60, 53, 0.16);
        }

        .mobile-menu.open {
            transform: translateX(0);
        }

        body.menu-open {
            overflow: hidden;
        }

        .mobile-menu-link {
            display: block;
            padding: 14px 8px;
            font-size: 17px;
            font-weight: 500;
            color: var(--text);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .mobile-menu-link:hover,
        .mobile-menu-link:focus-visible {
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 8px;
        }

        .mobile-dropdown {
            margin-top: 8px;
        }

        .mobile-dropdown-toggle {
            position: relative;
            cursor: pointer;
        }

        .mobile-dropdown-menu {
            display: none;
            padding: 8px 0 8px 16px;
        }

        .mobile-dropdown-menu.open {
            display: block;
        }

        .mobile-dropdown-menu a {
            display: block;
            padding: 10px 8px;
            font-size: 15px;
            color: var(--text-light);
            border-left: 2px solid var(--border);
            margin-left: 8px;
            transition: var(--transition);
        }

        .mobile-dropdown-menu a:hover {
            color: var(--primary);
            border-left-color: var(--accent);
        }

        .btn-mobile-login {
            margin-top: 24px;
            width: 100%;
        }

        /* ==========================================================================
           5. 面包屑
           ========================================================================== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            padding: 12px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: var(--transition);
        }

        .breadcrumb a:hover,
        .breadcrumb a:focus-visible {
            color: var(--accent);
        }

        .breadcrumb-sep {
            opacity: 0.6;
            font-size: 13px;
        }

        .breadcrumb .current {
            color: var(--accent);
            font-weight: 500;
            max-width: 320px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ==========================================================================
           6. 文章头部 Hero
           ========================================================================== */
        .article-hero {
            background: linear-gradient(135deg, rgba(11, 79, 70, 0.94), rgba(6, 60, 53, 0.88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 140px 0 56px;
            position: relative;
            color: #fff;
        }

        .article-hero::after {
            content: "";
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg), transparent);
            z-index: 0;
            pointer-events: none;
        }

        .article-hero .container {
            position: relative;
            z-index: 1;
            max-width: 920px;
        }

        .article-meta-top {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .article-category {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 30px;
            letter-spacing: 0.3px;
        }

        .article-date {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            display: inline-flex;
            align-items: center;
        }

        .article-hero h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #fff;
        }

        .article-desc {
            font-size: 16px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.82);
            max-width: 780px;
            margin-bottom: 24px;
        }

        .article-meta-bottom {
            display: flex;
            align-items: center;
            gap: 24px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            flex-wrap: wrap;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        /* ==========================================================================
           7. 正文区
           ========================================================================== */
        .article-body {
            padding: 48px 0 64px;
            background: var(--bg);
        }

        .article-body .container {
            max-width: 840px;
        }

        .article-content {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .article-content p {
            font-size: 16px;
            line-height: 1.85;
            margin-bottom: 24px;
            color: var(--text);
        }

        .article-content h2 {
            font-size: clamp(22px, 2.4vw, 27px);
            font-weight: 700;
            color: var(--primary-dark);
            margin: 40px 0 16px;
            position: relative;
            padding-left: 16px;
        }

        .article-content h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--accent);
            border-radius: 4px;
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--primary);
            margin: 32px 0 12px;
        }

        .article-content h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin: 24px 0 8px;
        }

        .article-content img {
            border-radius: var(--radius);
            margin: 28px auto;
            box-shadow: var(--shadow-sm);
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0 24px;
            padding-left: 24px;
        }

        .article-content ul li,
        .article-content ol li {
            margin-bottom: 10px;
            line-height: 1.8;
            font-size: 16px;
            position: relative;
        }

        .article-content ul li::marker {
            color: var(--accent);
        }

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

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 20px;
            background: var(--primary-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            color: var(--text-light);
            font-size: 15px;
        }

        .article-content blockquote p {
            margin-bottom: 0;
        }

        .article-content a {
            color: var(--primary);
            border-bottom: 1px solid var(--accent);
        }

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

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 12px 16px;
            text-align: left;
        }

        .article-content table th {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 600;
        }

        .article-content table tr:nth-child(even) {
            background: var(--bg);
        }

        /* ==========================================================================
           8. 内容未找到
           ========================================================================== */
        .content-not-found {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .content-not-found-image {
            width: 180px;
            height: 140px;
            margin: 0 auto 24px;
            overflow: hidden;
            border-radius: var(--radius);
        }

        .content-not-found-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .content-not-found h2 {
            font-size: 28px;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }

        .content-not-found p {
            font-size: 16px;
            color: var(--text-light);
            max-width: 420px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        /* ==========================================================================
           9. 上一篇 / 下一篇
           ========================================================================== */
        .post-navigation {
            padding: 48px 0 24px;
            background: var(--bg);
        }

        .post-navigation .container {
            max-width: 840px;
        }

        .post-nav-card {
            display: flex;
            flex-direction: column;
            padding: 20px 24px;
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            min-height: 100px;
        }

        .post-nav-card:hover,
        .post-nav-card:focus-visible {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--primary-light);
        }

        .post-nav-label {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .post-nav-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
        }

        .post-nav-card:hover .post-nav-title {
            color: var(--primary);
        }

        .post-nav-card.disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        /* ==========================================================================
           10. 相关推荐
           ========================================================================== */
        .related-posts {
            padding: 32px 0 48px;
            background: var(--bg);
        }

        .related-posts .container {
            max-width: 1080px;
        }

        .related-posts .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 28px;
            position: relative;
            padding-left: 16px;
            display: inline-block;
        }

        .related-posts .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--accent);
            border-radius: 4px;
        }

        .related-card {
            display: flex;
            align-items: stretch;
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
        }

        .related-card:hover,
        .related-card:focus-visible {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }

        .related-card-thumb {
            width: 120px;
            min-height: 100px;
            flex-shrink: 0;
            overflow: hidden;
            background: var(--primary-light);
        }

        .related-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .related-card:hover .related-card-thumb img {
            transform: scale(1.05);
        }

        .related-card-body {
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 4px;
            flex: 1;
        }

        .related-card-label {
            font-size: 12px;
            color: var(--accent);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .related-card-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-link {
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
            margin-top: 4px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .related-card-link:hover {
            color: var(--accent);
            gap: 8px;
        }

        /* ==========================================================================
           11. 返回入口
           ========================================================================== */
        .return-actions {
            padding: 16px 0 64px;
            background: var(--bg);
        }

        .return-actions .container {
            max-width: 840px;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        /* ==========================================================================
           12. 页脚
           ========================================================================== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 0;
            margin-top: auto;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand-txt {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }

        .footer-heading {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-heading::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 32px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-links li,
        .footer-contact li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
        }

        .footer-links a:hover,
        .footer-links a:focus-visible {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-contact li {
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ==========================================================================
           13. 浮动 CTA
           ========================================================================== */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 32px;
            z-index: 900;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 24px rgba(217, 158, 48, 0.45);
            transition: var(--transition);
            opacity: 0;
            transform: translateY(20px);
            visibility: hidden;
        }

        .float-cta.visible {
            opacity: 1;
            transform: translateY(0);
            visibility: visible;
        }

        .float-cta:hover,
        .float-cta:focus-visible {
            background: #c88f28;
            color: #fff;
            transform: translateY(-4px) scale(1.05);
            box-shadow: 0 12px 32px rgba(217, 158, 48, 0.55);
        }

        /* ==========================================================================
           14. 响应式断点
           ========================================================================== */
        @media (max-width: 1023px) {
            .main-nav {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .nav-actions {
                margin-left: auto;
            }

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

        @media (max-width: 639px) {
            .article-hero {
                padding: 120px 0 48px;
            }

            .article-body {
                padding: 32px 0 48px;
            }

            .article-content {
                padding: 28px 20px;
                border-radius: var(--radius);
            }

            .article-content p {
                font-size: 15px;
                line-height: 1.8;
            }

            .article-content h2 {
                font-size: 21px;
                margin: 32px 0 12px;
            }

            .article-content h3 {
                font-size: 18px;
            }

            .post-navigation {
                padding: 32px 0 16px;
            }

            .related-card {
                flex-direction: row;
            }

            .related-card-thumb {
                width: 96px;
            }

            .related-card-body {
                padding: 12px 14px;
            }

            .related-card-title {
                font-size: 14px;
            }

            .return-actions {
                padding: 16px 0 48px;
            }

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

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                padding: 16px 0;
            }

            .float-cta {
                right: 16px;
                bottom: 20px;
                width: 48px;
                height: 48px;
                font-size: 14px;
            }

            .nav-actions .btn-nav {
                display: none;
            }

            .mobile-menu {
                max-width: 100%;
                padding-top: 90px;
            }

            .breadcrumb .current {
                max-width: 180px;
            }

            .article-meta-bottom {
                gap: 12px;
                font-size: 13px;
            }
        }

        @media (max-width: 420px) {
            .article-hero h1 {
                font-size: 26px;
            }

            .article-desc {
                font-size: 15px;
            }

            .article-content {
                padding: 24px 16px;
            }
        }

/* roulang page: category2 */
:root{
    --primary:#0B4F46;
    --primary-dark:#063C35;
    --accent:#D99E30;
    --bg-warm:#F6F4EF;
    --bg-mint:#E8F0EE;
    --text:#22332F;
    --text-weak:#5A6B66;
    --line:#DDE5E2;
    --error:#B93E3E;
    --success:#2F7D5A;
    --white:#FFFFFF;
    --radius:12px;
    --radius-lg:24px;
    --shadow-sm:0 2px 8px rgba(6,60,53,0.06);
    --shadow-hover:0 8px 24px rgba(6,60,53,0.14);
    --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    --font-en:"Inter",Helvetica,Arial,sans-serif;
    --header-h:72px;
    --container-w:1200px;
}
*,*::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:1.78;
    color:var(--text);
    background:var(--bg-warm);
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{width:100%;max-width:var(--container-w);margin:0 auto;padding:0 clamp(16px,4vw,32px)}
.section{padding:clamp(64px,8vw,112px) 0}
.section-alt{background:var(--bg-mint)}

/* 节标题 */
.section-head{max-width:720px;margin:0 auto clamp(36px,5vw,56px);text-align:center}
.section-tag{
    display:inline-block;font-size:13px;font-weight:600;letter-spacing:.12em;
    color:var(--accent);background:rgba(217,158,48,.12);
    padding:4px 14px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{
    font-size:clamp(26px,3vw,32px);
    line-height:1.3;
    font-weight:700;
    color:var(--primary-dark);
    margin-bottom:12px;
}
.section-head h2::before{
    content:"";display:inline-block;width:5px;height:22px;border-radius:3px;
    background:var(--accent);margin-right:12px;vertical-align:-3px;
}
.section-head p{color:var(--text-weak);font-size:15px}

/* 按钮 */
.btn{
    display:inline-flex;align-items:center;justify-content:center;
    min-height:44px;padding:10px 28px;border-radius:8px;
    font-size:15px;font-weight:600;border:2px solid transparent;
    transition:all .25s ease;cursor:pointer;line-height:1.2;
    font-family:var(--font-cn);
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover,.btn-primary:focus-visible{background:#0d5f55;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.65);color:#fff}
.btn-outline-light:hover,.btn-outline-light:focus-visible{background:rgba(255,255,255,.16);border-color:#fff}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover,.btn-outline:focus-visible{background:var(--bg-mint)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#c98e28;box-shadow:var(--shadow-hover)}
.btn:focus-visible,.nav-link:focus-visible,.footer-links a:focus-visible,.related-card:focus-visible{
    outline:2px solid var(--accent);outline-offset:2px;
}

/* 导航 */
.site-header{
    position:fixed;top:0;left:0;right:0;z-index:1000;
    background:rgba(6,60,53,.35);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(255,255,255,.18);
    transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
    background:rgba(246,244,239,.96);
    border-bottom-color:var(--line);
    box-shadow:0 6px 16px rgba(6,60,53,.12);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.brand-logo{font-size:20px;font-weight:700;color:#fff;white-space:nowrap;letter-spacing:.02em}
.brand-logo span{color:var(--accent)}
.site-header.scrolled .brand-logo{color:var(--primary-dark)}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
    position:relative;color:rgba(255,255,255,.92);font-size:15px;font-weight:500;
    padding:10px 14px;border-radius:6px;transition:color .2s;
}
.site-header.scrolled .nav-link{color:var(--text)}
.nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
    background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
    transition:transform .2s ease;
}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link:hover{color:var(--accent)}
.has-dropdown{position:relative}
.dropdown-menu{
    position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(10px);
    min-width:240px;background:#fff;border-radius:12px;padding:8px;
    box-shadow:0 12px 32px rgba(6,60,53,.16);opacity:0;visibility:hidden;
    transition:opacity .25s ease,transform .25s ease;z-index:100;
}
.has-dropdown:hover .dropdown-menu,
.has-dropdown.open .dropdown-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown-menu a{
    display:block;padding:10px 14px;border-radius:8px;font-size:14px;
    color:var(--text);font-weight:500;transition:background .2s,color .2s;
}
.dropdown-menu a:hover{background:var(--bg-mint);color:var(--primary)}
.dropdown-menu a.active{background:var(--primary);color:#fff}
.nav-cta{
    min-height:40px;padding:6px 20px;font-size:14px;
    background:var(--accent);color:#fff;border-radius:8px;
    transition:background .2s,transform .2s;
}
.nav-cta:hover{background:#c98e28;transform:translateY(-1px)}
.hamburger{
    display:none;background:none;border:none;width:44px;height:44px;border-radius:8px;
    color:#fff;font-size:24px;cursor:pointer;align-items:center;justify-content:center;
}
.site-header.scrolled .hamburger{color:var(--primary-dark)}
.hamburger span{display:block;width:22px;height:2px;background:currentColor;margin:5px auto;transition:all .3s}

/* 页面横幅 Hero */
.page-hero{
    position:relative;min-height:40vh;padding:calc(var(--header-h) + 48px) 0 56px;
    background-size:cover;background-position:center;
    display:flex;align-items:center;
}
.hero-overlay{
    position:absolute;inset:0;z-index:1;
    background:linear-gradient(115deg,rgba(6,60,53,.94) 0%,rgba(6,60,53,.78) 60%,rgba(11,79,70,.62) 100%);
}
.hero-content{position:relative;z-index:2;color:#fff;max-width:720px}
.hero-badge{
    display:inline-block;font-size:13px;font-weight:600;letter-spacing:.1em;
    color:var(--accent);border:1px solid rgba(217,158,48,.6);padding:4px 14px;
    border-radius:999px;margin-bottom:18px;background:rgba(217,158,48,.08);
}
.hero-content h1{
    font-size:clamp(30px,4.4vw,46px);line-height:1.25;font-weight:700;
    margin-bottom:14px;letter-spacing:.01em;
}
.hero-content p{font-size:17px;line-height:1.75;color:rgba(255,255,255,.88);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.breadcrumb-line{
    position:relative;z-index:2;margin-top:28px;padding-top:16px;
    border-top:1px solid rgba(255,255,255,.18);font-size:13px;color:rgba(255,255,255,.72);
}
.breadcrumb-line a{color:rgba(255,255,255,.88)}
.breadcrumb-line a:hover{color:var(--accent)}
.breadcrumb-line span{margin:0 6px;opacity:.6}

/* 服务卡片 */
.services-list{display:flex;flex-direction:column;gap:28px}
.service-card{
    display:flex;align-items:stretch;background:#fff;border-radius:var(--radius-lg);
    overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--line);
    transition:box-shadow .3s ease,transform .3s ease;
}
.service-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.service-media{flex:0 0 46%;min-height:300px;overflow:hidden;background:var(--bg-mint)}
.service-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.service-card:hover .service-media img{transform:scale(1.03)}
.service-body{padding:48px 44px;flex:1;display:flex;flex-direction:column;justify-content:center}
.service-body .tag{
    align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.08em;
    color:var(--primary);background:var(--bg-mint);padding:4px 12px;border-radius:999px;margin-bottom:14px;
}
.service-body h3{font-size:22px;font-weight:700;color:var(--primary-dark);margin-bottom:10px}
.service-body p{color:var(--text-weak);font-size:15px}
.service-card:nth-child(even){flex-direction:row-reverse}

/* 权益方案 */
.tiers-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;margin-top:12px}
.tier-card{
    position:relative;background:#fff;border-radius:var(--radius-lg);padding:36px 30px;
    border:1px solid var(--line);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
    transition:transform .3s ease,box-shadow .3s ease;
}
.tier-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.tier-card.tier-recommend{
    background:var(--primary);border-color:var(--primary);color:#fff;
    transform:scale(1.02);box-shadow:0 12px 36px rgba(11,79,70,.28);
}
.tier-card.tier-recommend:hover{transform:scale(1.02) translateY(-3px)}
.tier-badge{
    position:absolute;top:-12px;left:50%;transform:translateX(-50%);
    background:var(--accent);color:#fff;font-size:12px;font-weight:700;
    padding:4px 16px;border-radius:999px;letter-spacing:.08em;white-space:nowrap;
}
.tier-name{font-size:20px;font-weight:700;margin-bottom:8px}
.tier-desc{font-size:14px;color:var(--text-weak);margin-bottom:24px;line-height:1.6}
.tier-card.tier-recommend .tier-desc{color:rgba(255,255,255,.75)}
.tier-price{font-size:38px;font-weight:700;color:var(--primary-dark);margin-bottom:4px}
.tier-price span{font-size:14px;font-weight:400;color:var(--text-weak);margin-left:4px}
.tier-card.tier-recommend .tier-price{color:#fff}
.tier-card.tier-recommend .tier-price span{color:rgba(255,255,255,.7)}
.tier-list{margin:20px 0 28px;display:grid;gap:10px}
.tier-list li{display:flex;align-items:flex-start;gap:8px;font-size:14px;line-height:1.5}
.tier-list li::before{content:"✓";color:var(--accent);font-weight:700;flex:none}
.tier-card.tier-recommend .tier-list li::before{color:var(--accent)}
.tier-cta{margin-top:auto}

/* 使用流程 */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;counter-reset:step}
.step-item{position:relative;text-align:center;background:#fff;border-radius:var(--radius-lg);padding:36px 22px;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.step-num{
    width:46px;height:46px;border-radius:50%;background:var(--primary);color:#fff;
    font-weight:700;font-size:18px;display:inline-flex;align-items:center;justify-content:center;
    margin-bottom:18px;position:relative;z-index:2;box-shadow:0 0 0 6px var(--bg-mint);
}
.step-item:not(:last-child)::after{
    content:"";position:absolute;top:58px;left:calc(50% + 52px);width:calc(100% - 104px);height:2px;
    background:var(--line);
}
.step-item h3{font-size:17px;color:var(--primary-dark);font-weight:700;margin-bottom:8px}
.step-item p{font-size:14px;color:var(--text-weak);line-height:1.6}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{
    background:#fff;border:1px solid var(--line);border-radius:12px;
    margin-bottom:12px;overflow:hidden;transition:border-color .3s ease,box-shadow .3s ease;
}
.faq-item.open{border-left:4px solid var(--accent);box-shadow:var(--shadow-sm)}
.faq-question{
    display:flex;justify-content:space-between;align-items:center;gap:16px;
    width:100%;background:none;border:none;cursor:pointer;text-align:left;
    font-family:var(--font-cn);font-size:16px;font-weight:600;color:var(--text);
    padding:22px 24px;transition:color .2s;
}
.faq-question:hover{color:var(--primary)}
.faq-icon{font-size:22px;color:var(--accent);font-weight:300;transition:transform .3s;line-height:1}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-answer p{padding:0 24px 22px;font-size:15px;color:var(--text-weak);line-height:1.75}

/* 相关分类入口 */
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.related-card{
    display:block;background:#fff;border-radius:var(--radius-lg);padding:28px 30px;
    border:1px solid var(--line);box-shadow:var(--shadow-sm);
    transition:transform .3s ease,box-shadow .3s ease,border-color .3s;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#cbd9d5}
.related-card span{font-size:12px;font-weight:600;color:var(--accent);letter-spacing:.1em}
.related-card strong{display:block;font-size:18px;color:var(--primary-dark);margin:6px 0 8px}
.related-card p{font-size:14px;color:var(--text-weak)}

/* 页尾CTA */
.cta-section{
    background:
        linear-gradient(135deg, rgba(6,60,53,.94), rgba(11,79,70,.88)),
        repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255,255,255,.03) 10px, rgba(255,255,255,.03) 20px);
    color:#fff;text-align:center;
}
.cta-section h2{font-size:clamp(26px,3.4vw,36px);font-weight:700;margin-bottom:14px}
.cta-section p{color:rgba(255,255,255,.82);margin-bottom:30px;max-width:560px;margin-left:auto;margin-right:auto}
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.82);padding:60px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand-txt{font-size:20px;font-weight:700;color:#fff;margin-bottom:12px}
.footer-brand-txt span{color:var(--accent)}
.footer-desc{line-height:1.7;color:rgba(255,255,255,.65);max-width:340px}
.footer-heading{font-size:15px;color:#fff;font-weight:600;margin-bottom:14px}
.footer-links li,.footer-contact li{margin-bottom:8px}
.footer-links a{color:rgba(255,255,255,.65);transition:color .2s,padding-left .2s}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-contact li{color:rgba(255,255,255,.65)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:20px 0;font-size:13px;color:rgba(255,255,255,.5)}

/* 浮动按钮 */
.float-login{
    position:fixed;right:28px;bottom:28px;z-index:900;
    min-width:64px;height:48px;padding:0 22px;border-radius:999px;
    background:var(--accent);color:#fff;font-weight:700;font-size:15px;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 8px 24px rgba(217,158,48,.4);
    opacity:0;visibility:hidden;transform:translateY(20px);
    transition:all .35s ease;border:none;cursor:pointer;
}
.float-login.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-login:hover{background:#c98e28;transform:translateY(-2px)}

/* 响应式 */
@media screen and (max-width:1023px){
    .nav-wrap{height:64px}
    .main-nav,.nav-cta{display:none}
    .hamburger{display:flex}
    .main-nav.mobile-open{
        display:flex;flex-direction:column;align-items:flex-start;
        position:fixed;top:0;left:0;right:0;height:100vh;height:100dvh;
        background:var(--bg-warm);padding:88px 32px 40px;z-index:1001;gap:6px;overflow-y:auto;
    }
    .main-nav.mobile-open .nav-link{
        color:var(--text);font-size:18px;padding:14px 8px;width:100%;
        border-bottom:1px solid var(--line);
    }
    .main-nav.mobile-open .nav-link::after{display:none}
    .main-nav.mobile-open .has-dropdown{width:100%}
    .main-nav.mobile-open .has-dropdown > a{color:var(--text);font-size:18px;padding:14px 8px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
    .main-nav.mobile-open .dropdown-menu{
        position:static;transform:none;opacity:1;visibility:visible;background:transparent;
        box-shadow:none;padding:6px 0 6px 16px;min-width:0;
    }
    .main-nav.mobile-open .dropdown-menu a{
        padding:12px 8px;font-size:15px;color:var(--text-weak);
        border-bottom:1px dashed var(--line);
    }
    .main-nav.mobile-open .dropdown-menu a.active{background:var(--bg-mint);color:var(--primary)}
    .mobile-cta{margin-top:24px;width:100%}
    .mobile-cta .btn{width:100%}
    .tiers-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}
    .tier-card.tier-recommend{transform:scale(1)}
    .steps-grid{grid-template-columns:1fr 1fr;gap:20px}
    .step-item:not(:last-child)::after{display:none}
    .service-card,.service-card:nth-child(even){flex-direction:column}
    .service-media{flex:none;min-height:240px}
    .service-body{padding:32px 28px}
    .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media screen and (max-width:639px){
    body{font-size:15px}
    .page-hero{padding-top:calc(var(--header-h) + 24px);min-height:auto}
    .hero-content h1{font-size:28px}
    .hero-actions .btn{width:100%}
    .steps-grid{grid-template-columns:1fr}
    .related-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;text-align:center}
    .float-login{right:16px;bottom:16px;min-width:56px;height:44px;padding:0 18px}
}

/* roulang page: category3 */
:root {
            --primary: #0B4F46;
            --primary-dark: #063C35;
            --primary-light: #E8F0EE;
            --accent: #D99E30;
            --accent-light: #F5E3C3;
            --bg: #F6F4EF;
            --text: #22332F;
            --text-light: #5A6B66;
            --border: #DDE5E2;
            --white: #FFFFFF;
            --danger: #B93E3E;
            --success: #2F7D5A;
            --radius-lg: 24px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(6, 60, 53, 0.06);
            --shadow-hover: 0 8px 24px rgba(6, 60, 53, 0.14);
            --transition: all 0.2s ease;
            --container: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Inter, Helvetica, Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        ul {
            list-style: none;
        }

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

        .section {
            padding: 90px 0;
            position: relative;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(217, 158, 48, 0.1);
            padding: 6px 16px;
            border-radius: 100px;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }

        .section-tag::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
        }

        .section-head {
            max-width: 720px;
            margin-bottom: 56px;
        }

        .section-head h2 {
            font-size: clamp(28px, 3vw, 34px);
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 16px;
            position: relative;
            padding-left: 18px;
        }

        .section-head h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 4px;
            background: var(--accent);
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.8;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-head.center h2 {
            padding-left: 0;
        }

        .section-head.center h2::before {
            display: none;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            min-height: 48px;
            font-family: inherit;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white) !important;
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background: #0E6B5F;
            border-color: #0E6B5F;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(11, 79, 70, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary) !important;
            border-color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--primary-dark) !important;
            border-color: var(--accent);
        }

        .btn-accent:hover {
            background: #C8902A;
            border-color: #C8902A;
            transform: translateY(-2px);
        }

        .btn:focus-visible {
            outline: 3px solid rgba(217, 158, 48, 0.5);
            outline-offset: 2px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(6, 60, 53, 0.35);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.18);
            box-shadow: 0 4px 20px rgba(6, 60, 53, 0.08);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(246, 244, 239, 0.96);
            border-bottom-color: var(--border);
            box-shadow: 0 6px 16px rgba(6, 60, 53, 0.12);
        }

        .site-header.scrolled .brand-logo {
            color: var(--primary);
        }

        .site-header.scrolled .nav-link {
            color: var(--text);
        }

        .site-header.scrolled .header-cta.btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--white) !important;
        }

        .site-header.scrolled .hamburger span {
            background: var(--primary);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 20px;
        }

        .brand-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--white);
            letter-spacing: 0.5px;
            white-space: nowrap;
            line-height: 1.2;
            transition: var(--transition);
        }

        .brand-logo:hover {
            color: var(--accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            margin: 0;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.92);
            padding: 8px 2px;
            position: relative;
            transition: var(--transition);
            border-bottom: 2px solid transparent;
        }

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

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.2s ease;
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .has-dropdown {
            position: relative;
        }

        .has-dropdown .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(10px);
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: 0 12px 32px rgba(6, 60, 53, 0.18);
            padding: 10px;
            min-width: 230px;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 200;
            border: 1px solid var(--border);
        }

        .has-dropdown:hover .dropdown-menu,
        .has-dropdown:focus-within .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .dropdown-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }

        .dropdown-menu a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .dropdown-menu a.active {
            background: var(--primary);
            color: var(--white) !important;
        }

        .header-cta {
            padding: 12px 24px;
            min-height: 44px;
            font-size: 14px;
            white-space: nowrap;
        }

        .hamburger {
            display: none;
            background: transparent;
            border: none;
            width: 44px;
            height: 44px;
            cursor: pointer;
            padding: 10px;
            border-radius: var(--radius-sm);
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--white);
            margin: 5px auto;
            transition: var(--transition);
            border-radius: 2px;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg);
            z-index: 999;
            padding: 100px 32px 40px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-link {
            padding: 14px 16px;
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            border-radius: var(--radius-md);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .mobile-link:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .mobile-cta {
            margin-top: 20px;
            width: 100%;
        }

        .hamburger.close span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.close span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.close span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Floating CTA ===== */
        .floating-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            background: var(--primary);
            color: var(--white) !important;
            padding: 14px 28px;
            border-radius: 100px;
            font-size: 15px;
            font-weight: 600;
            box-shadow: 0 8px 24px rgba(6, 60, 53, 0.24);
            z-index: 800;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        .floating-cta.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .floating-cta:hover {
            background: #0E6B5F;
            transform: translateY(-4px);
            color: var(--white) !important;
        }

        /* ===== Hero ===== */
        .category-hero {
            min-height: 44vh;
            display: flex;
            align-items: center;
            background: linear-gradient(120deg, rgba(6, 60, 53, 0.92), rgba(11, 79, 70, 0.78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 140px 0 80px;
            position: relative;
            color: var(--white);
        }

        .category-hero .hero-content {
            max-width: 900px;
        }

        .category-hero .hero-breadcrumb {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .category-hero .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: underline;
        }

        .category-hero h1 {
            font-size: clamp(30px, 4.5vw, 44px);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 18px;
            color: var(--white);
            letter-spacing: 1px;
        }

        .category-hero .hero-sub {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 640px;
            margin-bottom: 32px;
        }

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

        /* ===== Service Overview ===== */
        .service-overview {
            background: var(--bg);
        }

        .overview-card {
            display: flex;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 40px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .overview-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .overview-card.reverse {
            flex-direction: row-reverse;
        }

        .overview-img {
            flex: 0 0 320px;
            max-width: 320px;
            min-height: 260px;
            background: var(--primary-light);
            overflow: hidden;
        }

        .overview-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .overview-card:hover .overview-img img {
            transform: scale(1.03);
        }

        .overview-content {
            flex: 1;
            padding: 40px 48px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .overview-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .overview-content p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-light);
            margin-bottom: 20px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            color: var(--accent);
            letter-spacing: 0.3px;
        }

        .text-link::after {
            content: "→";
            transition: transform 0.2s ease;
        }

        .text-link:hover::after {
            transform: translateX(4px);
        }

        /* ===== Member Levels ===== */
        .member-levels {
            background: var(--primary-light);
        }

        .level-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            align-items: stretch;
        }

        .level-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            position: relative;
        }

        .level-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .level-card.featured {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--white);
            transform: scale(1.03);
            z-index: 2;
            box-shadow: 0 16px 40px rgba(6, 60, 53, 0.25);
        }

        .level-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
        }

        .badge {
            position: absolute;
            top: -14px;
            right: 24px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 100px;
            letter-spacing: 1px;
            box-shadow: 0 4px 12px rgba(217, 158, 48, 0.3);
        }

        .level-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }

        .featured .level-name {
            color: var(--accent);
        }

        .level-price {
            font-size: 15px;
            color: var(--text-light);
            margin-bottom: 24px;
            display: flex;
            align-items: baseline;
            gap: 4px;
        }

        .featured .level-price {
            color: rgba(255, 255, 255, 0.75);
        }

        .price-num {
            font-size: 38px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
        }

        .featured .price-num {
            color: var(--accent);
        }

        .level-card ul {
            flex: 1;
            margin-bottom: 28px;
        }

        .level-card li {
            padding: 8px 0 8px 26px;
            position: relative;
            font-size: 15px;
            color: var(--text);
            line-height: 1.6;
        }

        .featured li {
            color: rgba(255, 255, 255, 0.92);
        }

        .level-card li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 17px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            border: 2px solid transparent;
        }

        .featured li::before {
            background: var(--accent);
            border-color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Member Benefits ===== */
        .member-benefits {
            background: var(--bg);
        }

        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .benefit-item {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .benefit-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            border-color: rgba(11, 79, 70, 0.2);
        }

        .benefit-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .benefit-icon svg {
            width: 28px;
            height: 28px;
            stroke: currentColor;
            fill: none;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .benefit-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .benefit-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
        }

        /* ===== Process ===== */
        .service-process {
            background: var(--primary-dark);
            color: var(--white);
            position: relative;
        }

        .service-process::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.1;
        }

        .service-process .section-head h2 {
            color: var(--white);
        }

        .service-process .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }

        .service-process .section-tag {
            background: rgba(217, 158, 48, 0.15);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            position: relative;
            z-index: 1;
        }

        .process-step {
            text-align: center;
            padding: 24px 16px;
            position: relative;
        }

        .process-step::before {
            content: "";
            position: absolute;
            top: 44px;
            right: -20px;
            width: 40px;
            height: 1px;
            background: rgba(255, 255, 255, 0.25);
        }

        .process-step:last-child::before {
            display: none;
        }

        .step-num {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid rgba(217, 158, 48, 0.6);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            font-weight: 700;
            color: var(--accent);
            margin: 0 auto 24px;
            box-shadow: 0 0 0 8px rgba(217, 158, 48, 0.1);
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
            position: relative;
        }

        .faq-item.active {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }

        .faq-item.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--accent);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 22px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: transparent;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-family: inherit;
        }

        .faq-question::after {
            content: "+";
            font-size: 22px;
            color: var(--accent);
            font-weight: 400;
            transition: transform 0.2s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-question::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            display: none;
            padding: 0 24px 24px;
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-light);
        }

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

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--primary);
            padding: 80px 0;
            color: var(--white);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 100% 24px;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--white);
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .cta-section .btn-accent {
            min-width: 200px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 70px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 60px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand-txt {
            font-size: 22px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }

        .footer-heading {
            font-size: 16px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 12px;
        }

        .footer-heading::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 32px;
            height: 2px;
            background: var(--accent);
        }

        .footer-links li,
        .footer-contact li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }

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

        .footer-contact {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 16px;
            }

            .nav-link {
                font-size: 14px;
            }

            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }

            .process-step::before {
                display: none;
            }

            .level-grid {
                gap: 24px;
            }

            .footer-grid {
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .main-nav,
            .header-cta {
                display: none;
            }

            .hamburger {
                display: block;
            }

            .section {
                padding: 60px 0;
            }

            .section-head {
                margin-bottom: 40px;
            }

            .category-hero {
                min-height: 50vh;
                padding: 120px 0 60px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .overview-card,
            .overview-card.reverse {
                flex-direction: column;
            }

            .overview-img {
                flex: none;
                max-width: 100%;
                min-height: 200px;
            }

            .overview-content {
                padding: 28px 24px;
            }

            .level-grid {
                grid-template-columns: 1fr;
            }

            .level-card.featured {
                transform: scale(1);
                order: -1;
            }

            .level-card.featured:hover {
                transform: translateY(-4px);
            }

            .benefits-grid {
                grid-template-columns: 1fr;
            }

            .process-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

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

            .floating-cta {
                right: 16px;
                bottom: 16px;
                padding: 12px 22px;
                font-size: 14px;
                opacity: 0.95;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .brand-logo {
                font-size: 18px;
            }

            .header-inner {
                height: 66px;
            }

            .overview-content {
                padding: 24px 20px;
            }

            .overview-content h3 {
                font-size: 19px;
            }

            .level-card {
                padding: 32px 24px;
            }

            .level-price .price-num {
                font-size: 30px;
            }

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

            .category-hero h1 {
                font-size: 28px;
            }

            .category-hero .hero-sub {
                font-size: 15px;
            }
        }