/* roulang page: index */
:root{
    --primary:#1B5E4B;
    --primary-dark:#123E32;
    --primary-light:#2E7D66;
    --accent:#F59C17;
    --accent-dark:#D97F06;
    --bg:#FAF9F5;
    --surface:#FFFFFF;
    --text:#1A2420;
    --text-secondary:#5C6B66;
    --text-muted:#8A9892;
    --border:#E3E8E2;
    --success:#2F9E6E;
    --warning:#EAB308;
    --danger:#D64545;
    --radius-lg:16px;
    --radius-md:12px;
    --radius-sm:8px;
    --shadow-sm:0 1px 3px rgba(20,30,26,.06), 0 4px 12px rgba(20,30,26,.04);
    --shadow-md:0 4px 12px rgba(20,30,26,.10), 0 12px 28px rgba(20,30,26,.08);
    --shadow-lg:0 4px 20px rgba(20,30,26,.12);
    --transition:all .3s ease;
    --nav-width:72px;
    --container-max:1240px;
    --section-space:96px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",-apple-system,sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.75;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-light)}
ul,ol{list-style:none}
button{border:none;background:none;cursor:pointer;font-family:inherit}
.container{max-width:var(--container-max);margin:0 auto;padding:0 28px;width:100%}
body{min-height:100vh}
::selection{background:rgba(245,156,23,.25)}

/* ===== App Shell Nav ===== */
.app-shell{display:flex;min-height:100vh}
.side-nav{
    width:var(--nav-width);
    background:linear-gradient(180deg,#0E3529 0%,#103B30 55%,#0C2C22 100%);
    position:fixed;
    top:0;left:0;bottom:0;
    z-index:1000;
    display:flex;flex-direction:column;
    align-items:center;
    padding:16px 0 18px;
    transition:width .35s cubic-bezier(.4,0,.2,1);
    box-shadow:4px 0 20px rgba(0,0,0,.15);
}
.side-nav:hover{width:200px}
.side-nav:hover .nav-label{opacity:1;transform:translateX(0)}
.side-nav:hover .nav-link{justify-content:flex-start;padding-left:16px}
.side-nav .nav-brand{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:center;
    margin-bottom:32px;
    flex-shrink:0;
}
.side-nav:hover .nav-brand{justify-content:flex-start;padding-left:12px}
.nav-brand-logo{
    width:44px;height:44px;
    background:var(--accent);
    border-radius:12px;
    display:flex;align-items:center;justify-content:center;
    font-weight:800;font-size:20px;
    color:#1A2420;
    flex-shrink:0;
    transform:rotate(-4deg);
    transition:var(--transition);
    box-shadow:0 4px 12px rgba(245,156,23,.35);
}
.side-nav:hover .nav-brand-logo{transform:rotate(0)}
.nav-brand-text{
    display:flex;
    flex-direction:column;
    margin-left:10px;
    white-space:nowrap;
    opacity:0;
    transform:translateX(12px);
    transition:opacity .3s ease,transform .3s ease;
    color:#FFF;font-weight:600;font-size:14px;line-height:1.3;
}
.side-nav:hover .nav-brand-text{opacity:1;transform:translateX(0)}
.nav-brand-text small{font-size:10px;color:rgba(255,255,255,.55);font-weight:400}
.nav-links{
    flex:1;
    width:100%;
    display:flex;
    flex-direction:column;
    gap:4px;
}
.nav-link{
    position:relative;
    display:flex;align-items:center;
    width:100%;
    height:52px;
    color:rgba(255,255,255,.72);
    font-size:14px;font-weight:500;
    transition:var(--transition);
    justify-content:center;
    border-radius:10px;
    margin:0 8px;
    width:calc(100% - 16px);
}
.side-nav:hover .nav-link{margin:0 8px;width:calc(100% - 16px)}
.nav-link .nav-icon{
    flex-shrink:0;
    font-size:18px;
    transition:var(--transition);
    width:24px;text-align:center;
}
.nav-link .nav-label{
    margin-left:12px;
    white-space:nowrap;
    opacity:0;
    transform:translateX(-8px);
    transition:opacity .3s ease,transform .3s ease;
    font-size:14px;
}
.side-nav:hover .nav-label{opacity:1;transform:translateX(0)}
.nav-link:hover{
    color:#FFF;
    background:rgba(245,156,23,.14);
}
.nav-link.active{
    color:var(--accent);
    background:rgba(245,156,23,.10);
}
.nav-link.active::before{
    content:"";
    position:absolute;
    left:0;top:50%;
    transform:translateY(-50%);
    width:3px;height:26px;
    background:var(--accent);
    border-radius:0 4px 4px 0;
}
.nav-bottom{
    display:flex;
    align-items:center;
    justify-content:center;
    width:100%;
    padding-top:12px;
    border-top:1px solid rgba(255,255,255,.08);
}
.nav-bottom-btn{
    width:40px;height:40px;
    border-radius:10px;
    color:rgba(255,255,255,.6);
    display:flex;align-items:center;justify-content:center;
    font-size:16px;
    transition:var(--transition);
}
.side-nav:hover .nav-bottom-btn{justify-content:flex-start;padding-left:12px;width:100%}
.nav-bottom-btn:hover{color:var(--accent);background:rgba(245,156,23,.12)}
.main-area{
    flex:1;
    margin-left:var(--nav-width);
    min-width:0;
}

/* ===== Mobile Header ===== */
.mobile-header{
    display:none;
    position:sticky;top:0;z-index:900;
    background:var(--primary-dark);
    padding:0 16px;
    height:60px;
    align-items:center;
    justify-content:space-between;
}
.mobile-brand{
    display:flex;align-items:center;
    color:#FFF;
    font-size:15px;font-weight:700;
    letter-spacing:.02em;
}
.mobile-brand i{
    margin-right:8px;
    font-size:20px;
    color:var(--accent);
}
.mobile-burger{
    width:44px;height:44px;
    border-radius:10px;
    color:#FFF;
    display:flex;align-items:center;justify-content:center;
    font-size:20px;
}
.mobile-burger:hover{background:rgba(255,255,255,.1)}
.mobile-drawer{
    position:fixed;
    top:0;left:0;bottom:0;
    width:260px;
    background:var(--primary-dark);
    z-index:1100;
    padding:24px 20px;
    transform:translateX(-100%);
    transition:transform .35s cubic-bezier(.4,0,.2,1);
    overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-overlay{
    position:fixed;
    top:0;left:0;right:0;bottom:0;
    background:rgba(0,0,0,.5);
    z-index:1050;
    opacity:0;
    visibility:hidden;
    transition:var(--transition);
}
.drawer-overlay.active{opacity:1;visibility:visible}
.mobile-drawer-brand{
    display:flex;align-items:center;
    color:#FFF;
    font-size:16px;font-weight:700;
    padding-bottom:20px;
    border-bottom:1px solid rgba(255,255,255,.1);
    margin-bottom:16px;
}
.mobile-drawer-brand i{
    color:var(--accent);
    margin-right:10px;
    font-size:22px;
}
.drawer-link{
    display:block;
    color:rgba(255,255,255,.75);
    font-size:15px;
    font-weight:600;
    padding:14px 12px;
    border-radius:10px;
    margin-bottom:4px;
    transition:var(--transition);
}
.drawer-link:hover,.drawer-link.active{color:var(--accent);background:rgba(245,156,23,.12)}
.drawer-footer{
    margin-top:32px;
    padding-top:16px;
    border-top:1px solid rgba(255,255,255,.1);
    color:rgba(255,255,255,.4);
    font-size:12px;
    text-align:center;
}
body.drawer-locked{overflow:hidden}

/* ===== Base Sections ===== */
.section{padding:var(--section-space) 0}
.section-tight{padding:56px 0}
.section-dark{background:var(--primary-dark);color:#FFF}
.section-gray{background:#F0F3EF}
.section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:44px;
}
.section-head-center{justify-content:center;text-align:center}
.section-head h2{
    font-size:30px;
    font-weight:700;
    line-height:1.3;
    color:var(--text);
    letter-spacing:-.01em;
}
.section-dark .section-head h2{color:#FFF}
.section-head p{
    color:var(--text-secondary);
    font-size:15px;
    margin-top:6px;
    max-width:560px;
}
.section-dark .section-head p{color:rgba(255,255,255,.65)}
.more-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--primary);
    padding:10px 16px;
    border-radius:var(--radius-sm);
    transition:var(--transition);
    white-space:nowrap;
}
.more-link:hover{
    background:rgba(27,94,75,.08);
    color:var(--primary);
    gap:10px;
}
.section-head-center .more-link{margin-top:8px}

/* ===== Buttons ===== */
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:46px;
    padding:0 24px;
    border-radius:10px;
    font-size:15px;
    font-weight:600;
    transition:var(--transition);
    border:1.5px solid transparent;
    white-space:nowrap;
    cursor:pointer;
    line-height:1.2;
    text-align:center;
}
.btn-primary{
    background:var(--accent);
    color:#1A2420;
    box-shadow:0 4px 14px rgba(245,156,23,.25);
}
.btn-primary:hover{
    background:var(--accent-dark);
    color:#1A2420;
    transform:translateY(-2px);
    box-shadow:0 8px 20px rgba(245,156,23,.35);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(245,156,23,.2)}
.btn-secondary{
    background:transparent;
    color:#FFF;
    border-color:rgba(255,255,255,.6);
}
.btn-secondary:hover{
    background:rgba(255,255,255,.12);
    color:#FFF;
    transform:translateY(-2px);
}
.btn-secondary:active{transform:translateY(0)}
.btn-dark{
    background:var(--primary);
    color:#FFF;
}
.btn-dark:hover{
    background:var(--primary-light);
    color:#FFF;
    transform:translateY(-2px);
    box-shadow:0 6px 16px rgba(27,94,75,.3);
}
.btn-dark:active{transform:translateY(0)}
.btn-sm{min-height:38px;padding:0 18px;font-size:13px}
.btn-block{width:100%}
.btn:focus-visible,.nav-link:focus-visible,.mobile-burger:focus-visible,.drawer-link:focus-visible,.more-link:focus-visible{
    outline:3px solid rgba(245,156,23,.5);
    outline-offset:2px;
}

/* ===== Hero ===== */
.hero{
    position:relative;
    background:linear-gradient(135deg,#123E32 0%,#1B5E4B 60%,#0C2C22 100%);
    min-height:calc(100vh - 0px);
    display:flex;
    align-items:center;
    overflow:hidden;
    isolation:isolate;
}
.hero::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center;
    opacity:.15;
    z-index:-1;
}
.hero::after{
    content:"";
    position:absolute;
    top:-30%;right:-10%;
    width:500px;height:500px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(245,156,23,.18),transparent 60%);
    z-index:-1;
}
.hero-inner{
    display:flex;
    align-items:center;
    gap:60px;
    padding:80px 0;
}
.hero-content{
    flex:1;
    max-width:640px;
}
.hero-badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:rgba(245,156,23,.15);
    color:var(--accent);
    font-size:13px;
    padding:6px 14px;
    border-radius:40px;
    margin-bottom:24px;
    font-weight:600;
    letter-spacing:.02em;
    border:1px solid rgba(245,156,23,.3);
}
.hero-badge .pulse-dot{
    width:8px;height:8px;
    background:var(--accent);
    border-radius:50%;
    animation:pulse 1.6s infinite;
}
@keyframes pulse{
    0%,100%{opacity:1;transform:scale(1)}
    50%{opacity:.5;transform:scale(.75)}
}
.hero h1{
    font-size:44px;
    line-height:1.25;
    color:#FFF;
    font-weight:700;
    letter-spacing:-.02em;
    margin-bottom:20px;
}
.hero h1 .highlight{
    color:var(--accent);
    position:relative;
    white-space:nowrap;
}
.hero-sub{
    font-size:18px;
    color:rgba(255,255,255,.78);
    line-height:1.8;
    margin-bottom:32px;
    max-width:540px;
}
.hero-ctas{
    display:flex;
    gap:16px;
    flex-wrap:wrap;
    margin-bottom:32px;
}
.hero-points{
    display:flex;
    gap:24px;
    flex-wrap:wrap;
    align-items:center;
}
.hero-point{
    display:flex;
    align-items:center;
    gap:6px;
    color:rgba(255,255,255,.7);
    font-size:13px;
}
.hero-point i{color:var(--accent);font-size:14px}
.hero-visual{
    flex:1;
    position:relative;
    min-height:430px;
    display:flex;
    align-items:center;
    justify-content:center;
}
.hero-visual-main{
    width:88%;
    border-radius:20px;
    overflow:hidden;
    box-shadow:0 24px 60px rgba(0,0,0,.35);
    border:1px solid rgba(255,255,255,.2);
    position:relative;
    aspect-ratio:4/3;
}
.hero-visual-main img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .8s ease;
}
.hero-visual-main:hover img{transform:scale(1.05)}
.hero-glass-card{
    position:absolute;
    bottom:40px;
    right:4%;
    background:rgba(255,255,255,.12);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border:1px solid rgba(255,255,255,.25);
    border-radius:14px;
    padding:16px 20px;
    display:flex;
    align-items:center;
    gap:12px;
    box-shadow:0 8px 30px rgba(0,0,0,.2);
    max-width:270px;
}
.hero-glass-icon{
    width:38px;height:38px;
    background:var(--accent);
    border-radius:10px;
    display:flex;align-items:center;justify-content:center;
    font-size:16px;
    color:#1A2420;
    flex-shrink:0;
}
.hero-glass-text span{
    display:block;
    color:#FFF;
    font-size:13px;
    font-weight:600;
    line-height:1.4;
}
.hero-glass-text small{
    color:rgba(255,255,255,.6);
    font-size:11px;
}

/* ===== Quick Bar ===== */
.quick-bar{
    background:var(--surface);
    border-bottom:1px solid var(--border);
    padding:18px 0;
}
.quick-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:16px;
}
.quick-item{
    display:flex;
    align-items:center;
    gap:12px;
    padding:10px 16px;
    border-radius:12px;
    transition:var(--transition);
    border:1px solid transparent;
}
.quick-item:hover{
    background:#F7F8F6;
    border-color:var(--border);
    box-shadow:var(--shadow-sm);
}
.quick-icon{
    width:42px;height:42px;
    background:rgba(27,94,75,.1);
    border-radius:10px;
    display:flex;align-items:center;justify-content:center;
    color:var(--primary);
    font-size:17px;
    flex-shrink:0;
    transition:var(--transition);
}
.quick-item:hover .quick-icon{background:var(--primary);color:#FFF}
.quick-text span{
    display:block;
    font-size:14px;
    font-weight:600;
    color:var(--text);
    line-height:1.4;
}
.quick-text small{
    font-size:12px;
    color:var(--text-muted);
    line-height:1.3;
}

/* ===== Numbers Feature ===== */
.feature-card{
    background:var(--surface);
    border-radius:var(--radius-lg);
    padding:36px 44px 32px;
    box-shadow:var(--shadow-sm);
    border:1px solid var(--border);
    position:relative;
    transition:var(--transition);
    display:flex;
    flex-direction:column;
    min-height:280px;
}
.feature-card:hover{
    box-shadow:var(--shadow-md);
    transform:translateY(-4px);
    border-color:rgba(27,94,75,.25);
}
.feature-card .feat-num{
    font-family:'Inter','Segoe UI',sans-serif;
    font-size:40px;
    font-weight:800;
    color:var(--accent);
    line-height:1;
    margin-bottom:20px;
    opacity:.85;
}
.feature-card .feat-icon{
    width:50px;height:50px;
    background:rgba(27,94,75,.09);
    border-radius:12px;
    display:flex;align-items:center;justify-content:center;
    color:var(--primary);
    font-size:20px;
    margin-bottom:18px;
    transition:var(--transition);
}
.feature-card:hover .feat-icon{background:var(--primary);color:#FFF}
.feature-card h3{
    font-size:19px;
    font-weight:600;
    margin-bottom:10px;
    color:var(--text);
}
.feature-card p{
    font-size:14px;
    color:var(--text-secondary);
    line-height:1.8;
    flex:1;
}
.feature-card .learn-link{
    display:inline-flex;
    align-items:center;
    gap:4px;
    font-size:13px;
    font-weight:600;
    color:var(--primary);
    margin-top:16px;
    transition:var(--transition);
}
.feature-card .learn-link:hover .arrow-icon{margin-left:4px}
.feature-card.middle{
    border:2px solid rgba(27,94,75,.2);
    transform:translateY(-8px);
    box-shadow:var(--shadow-md);
}
.feature-card.middle:hover{transform:translateY(-12px)}
.features-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
}

/* ===== Scene Demo ===== */
.scene-row{
    display:flex;
    align-items:center;
    gap:56px;
    margin-bottom:80px;
}
.scene-row:last-child{margin-bottom:0}
.scene-row.reverse .scene-media{order:2}
.scene-row.reverse .scene-text{order:1}
.scene-media{
    flex:1;
    position:relative;
}
.scene-media-main{
    border-radius:var(--radius-lg);
    overflow:hidden;
    box-shadow:var(--shadow-md);
    position:relative;
    aspect-ratio:4/3;
}
.scene-media-main img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .6s ease;
}
.scene-media-main:hover img{transform:scale(1.03)}
.scene-media-side{
    position:absolute;
    bottom:-24px;
    left:-24px;
    background:var(--surface);
    border-radius:var(--radius-md);
    padding:18px 22px;
    box-shadow:var(--shadow-md);
    border:1px solid var(--border);
    max-width:240px;
}
.scene-media-side span{
    font-size:12px;
    color:var(--text-muted);
    display:block;
    margin-bottom:4px;
}
.scene-media-side strong{
    font-size:16px;
    color:var(--text);
    font-weight:600;
    line-height:1.5;
    display:block;
}
.scene-text{flex:1}
.scene-text .kicker{
    display:inline-block;
    font-size:12px;
    font-weight:700;
    letter-spacing:.08em;
    text-transform:uppercase;
    color:var(--accent);
    margin-bottom:14px;
    background:rgba(245,156,23,.1);
    padding:4px 10px;
    border-radius:4px;
}
.scene-text h2{
    font-size:28px;
    font-weight:700;
    margin-bottom:14px;
    color:var(--text);
    line-height:1.3;
}
.scene-text p{
    font-size:15px;
    color:var(--text-secondary);
    line-height:1.85;
    margin-bottom:20px;
}
.scene-list{
    margin-bottom:24px;
}
.scene-list li{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:15px;
    color:var(--text);
    padding:7px 0;
    line-height:1.6;
}
.scene-list li i{
    color:var(--primary);
    font-size:16px;
    margin-top:2px;
    flex-shrink:0;
}

/* ===== Social Proof ===== */
.proof-stats{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:32px;
    margin-bottom:60px;
    text-align:center;
}
.proof-stat .stat-num{
    font-family:'Inter','Segoe UI',sans-serif;
    font-size:44px;
    font-weight:800;
    color:var(--accent);
    line-height:1.2;
    letter-spacing:-.02em;
}
.proof-stat .stat-num .unit{
    font-size:20px;
    margin-left:2px;
    color:var(--primary);
    font-weight:600;
}
.proof-stat span{
    font-size:14px;
    color:var(--text-secondary);
    display:block;
    margin-top:6px;
}
.proof-quotes{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:24px;
    margin-bottom:48px;
}
.proof-quote{
    background:var(--surface);
    border-radius:var(--radius-md);
    padding:28px 30px;
    box-shadow:var(--shadow-sm);
    border-left:3px solid var(--accent);
    position:relative;
}
.proof-quote .quote-mark{
    font-size:34px;
    color:var(--accent);
    font-family:'Georgia',serif;
    line-height:1;
    margin-bottom:10px;
}
.proof-quote p{
    font-size:15px;
    color:var(--text);
    line-height:1.85;
    margin-bottom:10px;
}
.proof-quote cite{
    font-size:13px;
    color:var(--text-muted);
    font-style:normal;
}
.proof-logos{
    display:flex;
    justify-content:center;
    align-items:center;
    gap:40px;
    flex-wrap:wrap;
    opacity:.6;
}
.proof-logos .logo-item{
    font-size:18px;
    font-weight:700;
    color:var(--text-secondary);
    letter-spacing:.05em;
    filter:grayscale(1);
    transition:var(--transition);
    cursor:default;
}
.proof-logos .logo-item:hover{
    filter:grayscale(0);
    color:var(--primary);
    transform:scale(1.05);
}

/* ===== CMS Info List ===== */
.info-section{
    background:var(--bg);
}
.info-layout{
    display:grid;
    grid-template-columns:1.5fr 1fr;
    gap:24px;
    margin-bottom:24px;
}
.info-featured{
    grid-row:span 2;
    background:var(--surface);
    border-radius:var(--radius-lg);
    overflow:hidden;
    border:1px solid var(--border);
    box-shadow:var(--shadow-sm);
    transition:var(--transition);
    display:flex;
    flex-direction:column;
}
.info-featured:hover{
    box-shadow:var(--shadow-md);
    transform:translateY(-3px);
}
.info-featured .featured-thumb{
    background:var(--primary);
    min-height:240px;
    position:relative;
    overflow:hidden;
    display:flex;
    align-items:center;
    justify-content:center;
    color:rgba(255,255,255,.9);
}
.info-featured .featured-thumb img{
    width:100%;height:100%;
    object-fit:cover;
    transition:transform .6s ease;
}
.info-featured:hover .featured-thumb img{transform:scale(1.03)}
.featured-tag{
    position:absolute;
    top:16px;left:16px;
    background:var(--accent);
    color:#1A2420;
    font-size:12px;
    font-weight:600;
    padding:4px 12px;
    border-radius:20px;
    z-index:2;
}
.featured-body{
    padding:26px 28px;
    flex:1;
    display:flex;flex-direction:column;
}
.featured-body .meta-line{
    font-size:13px;
    color:var(--text-muted);
    margin-bottom:10px;
}
.featured-body h3{
    font-size:22px;
    font-weight:600;
    margin-bottom:12px;
    line-height:1.4;
    color:var(--text);
}
.featured-body h3 a{color:inherit}
.featured-body h3 a:hover{color:var(--primary)}
.featured-body p{
    font-size:14px;
    color:var(--text-secondary);
    line-height:1.8;
    flex:1;
}
.featured-body .read-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--primary);
    margin-top:16px;
}
.featured-body .read-link:hover .arrow{margin-left:6px}
.info-small{
    background:var(--surface);
    border-radius:var(--radius-md);
    border:1px solid var(--border);
    box-shadow:var(--shadow-sm);
    padding:24px 26px;
    display:flex;
    flex-direction:column;
    gap:8px;
    transition:var(--transition);
}
.info-small:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.info-small .small-tag{
    align-self:flex-start;
    background:rgba(27,94,75,.1);
    color:var(--primary);
    font-size:11px;
    font-weight:600;
    padding:2px 10px;
    border-radius:20px;
}
.info-small h4{font-size:16px;font-weight:600;line-height:1.5;color:var(--text)}
.info-small h4 a{color:inherit}
.info-small h4 a:hover{color:var(--primary)}
.info-small .meta-line{
    font-size:12px;
    color:var(--text-muted);
    margin-top:auto;
    padding-top:6px;
    border-top:1px solid var(--border);
}
.info-bottom-list{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:16px;
}
.info-bottom-item{
    background:var(--surface);
    border-radius:var(--radius-md);
    border:1px solid var(--border);
    padding:20px 22px;
    display:flex;
    align-items:center;
    gap:14px;
    transition:var(--transition);
}
.info-bottom-item:hover{
    box-shadow:var(--shadow-sm);
    border-color:rgba(27,94,75,.25);
}
.info-bottom-item .item-date{
    font-size:12px;
    color:var(--text-muted);
    white-space:nowrap;
    flex-shrink:0;
    font-weight:500;
}
.info-bottom-item .item-title{
    font-size:14px;
    font-weight:500;
    flex:1;
    color:var(--text);
    line-height:1.5;
    overflow:hidden;
    text-overflow:ellipsis;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
}
.info-bottom-item .item-link{
    color:var(--primary);
    font-size:16px;
    flex-shrink:0;
    transition:var(--transition);
}
.info-bottom-item:hover .item-link{margin-right:-4px}

/* ===== FAQ ===== */
.faq-list{
    max-width:820px;
    margin:0 auto;
}
.faq-item{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    margin-bottom:14px;
    overflow:hidden;
    transition:var(--transition);
}
.faq-item:hover{border-color:rgba(27,94,75,.3)}
.faq-item.active{border-color:rgba(27,94,75,.4);box-shadow:var(--shadow-sm)}
.faq-item-header{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:20px 24px;
    font-size:16px;
    font-weight:600;
    color:var(--text);
    text-align:left;
    transition:var(--transition);
}
.faq-item-toggle{
    width:32px;height:32px;
    border-radius:8px;
    background:rgba(27,94,75,.08);
    display:flex;align-items:center;justify-content:center;
    font-size:18px;
    color:var(--primary);
    transition:var(--transition);
    flex-shrink:0;
    font-weight:300;
}
.faq-item.active .faq-item-toggle{
    background:var(--primary);
    color:#FFF;
    transform:rotate(45deg);
}
.faq-item-body{
    max-height:0;
    overflow:hidden;
    transition:max-height .4s ease;
}
.faq-item-body-inner{
    padding:0 24px 20px;
    font-size:14px;
    color:var(--text-secondary);
    line-height:1.9;
    border-top:1px solid var(--border);
    padding-top:16px;
    margin:0 24px 20px;
    padding-left:0;
    padding-right:0;
}
.faq-item-body-inner p{margin-bottom:10px}
.faq-item-body-inner p:last-child{margin-bottom:0}

/* ===== Final CTA ===== */
.final-cta{
    background:linear-gradient(135deg,#0C2C22,#123E32);
    padding:68px 0;
    text-align:center;
    position:relative;
    overflow:hidden;
}
.final-cta::before{
    content:"";
    position:absolute;
    top:0;left:50%;
    transform:translateX(-50%);
    width:600px;height:300px;
    background:rgba(245,156,23,.08);
    border-radius:50%;
    filter:blur(60px);
    pointer-events:none;
}
.final-cta h2{
    font-size:32px;
    color:#FFF;
    font-weight:700;
    margin-bottom:16px;
    position:relative;
}
.final-cta p{
    font-size:16px;
    color:rgba(255,255,255,.7);
    max-width:600px;
    margin:0 auto 32px;
    line-height:1.8;
    position:relative;
}
.final-cta .btn{position:relative}

/* ===== Footer ===== */
.footer{
    background:#0B241C;
    color:rgba(255,255,255,.7);
    padding:56px 0 32px;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:40px;
    margin-bottom:40px;
}
.footer-brand .footer-logo{
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:16px;
}
.footer-logo-icon{
    width:36px;height:36px;
    background:var(--accent);
    border-radius:10px;
    display:flex;align-items:center;justify-content:center;
    font-size:16px;
    font-weight:800;
    color:#1A2420;
}
.footer-brand-text{
    font-size:16px;
    font-weight:700;
    color:#FFF;
}
.footer p{font-size:13px;line-height:1.8;margin-bottom:12px;color:rgba(255,255,255,.5)}
.footer h4{
    color:#FFF;
    font-size:15px;
    font-weight:600;
    margin-bottom:18px;
    position:relative;
    padding-bottom:10px;
}
.footer h4::after{
    content:"";
    position:absolute;
    bottom:0;left:0;
    width:24px;height:2px;
    background:var(--accent);
    border-radius:2px;
}
.footer-links li{margin-bottom:10px}
.footer-links a{
    color:rgba(255,255,255,.55);
    font-size:14px;
    transition:var(--transition);
    display:inline-block;
}
.footer-links a:hover{
    color:var(--accent);
    padding-left:6px;
}
.footer-contact p{
    display:flex;
    gap:8px;
    align-items:flex-start;
    color:rgba(255,255,255,.6);
    font-size:13px;
    line-height:1.7;
}
.footer-contact i{
    color:var(--accent);
    margin-top:4px;
    font-size:14px;
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.08);
    padding-top:24px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:16px;
    flex-wrap:wrap;
    font-size:13px;
    color:rgba(255,255,255,.4);
}
.footer-bottom a{color:rgba(255,255,255,.45)}
.footer-bottom a:hover{color:var(--accent)}

/* ===== Fixed Bar ===== */
.fixed-convert{
    position:fixed;
    bottom:0;
    left:var(--nav-width);
    right:0;
    z-index:800;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    border-top:1px solid var(--border);
    box-shadow:0 -4px 20px rgba(20,30,26,.12);
    padding:12px 20px;
    transition:transform .4s ease;
}
.fixed-convert.hidden{transform:translateY(100%)}
.fixed-convert-inner{
    max-width:1000px;
    margin:0 auto;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:20px;
    flex-wrap:wrap;
}
.fixed-convert-text{
    font-size:14px;
    font-weight:600;
    color:var(--text);
    white-space:nowrap;
}
.fixed-convert-text span{color:var(--primary)}
.fixed-convert .btn-sm{min-height:38px}
.fixed-convert-close{
    width:32px;height:32px;
    border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    color:var(--text-muted);
    font-size:16px;
    transition:var(--transition);
    flex-shrink:0;
}
.fixed-convert-close:hover{background:var(--border);color:var(--text)}

/* ===== Responsive ===== */
@media screen and (max-width:1024px){
    :root{--section-space:76px}
    .side-nav{display:none}
    .mobile-header{display:flex}
    .mobile-drawer{display:block}
    .main-area{margin-left:0}
    .fixed-convert{left:0}
    .hero-inner{flex-direction:column;gap:40px;padding:60px 0}
    .hero h1{font-size:36px}
    .hero-visual{min-height:340px}
    .hero-visual-main{width:100%}
    .hero-glass-card{right:0;bottom:20px}
    .scene-row{flex-direction:column;gap:40px}
    .scene-row.reverse .scene-media{order:1}
    .scene-row.reverse .scene-text{order:2}
    .scene-media-side{left:0;bottom:-20px}
    .info-layout{grid-template-columns:1fr}
    .info-featured{grid-row:auto}
    .proof-quotes{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
}

@media screen and (max-width:768px){
    :root{--section-space:64px}
    .container{padding:0 20px}
    .section-head{flex-direction:column;align-items:flex-start;gap:12px}
    .quick-grid{grid-template-columns:repeat(2,1fr)}
    .quick-item{padding:8px 12px}
    .quick-item:last-child{display:none}
    .features-grid{grid-template-columns:1fr;gap:20px}
    .feature-card{min-height:auto;padding:28px}
    .feature-card.middle{transform:none}
    .feature-card.middle:hover{transform:translateY(-4px)}
    .proof-stats{grid-template-columns:repeat(2,1fr);gap:24px}
    .proof-stat .stat-num{font-size:34px}
    .info-bottom-list{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;text-align:center}
    .hero h1{font-size:30px}
    .hero-sub{font-size:16px}
    .hero-ctas .btn{width:100%}
    .hero-points{justify-content:flex-start;gap:12px}
    .hero-visual{min-height:260px}
    .scene-media-side{max-width:200px;padding:14px 16px}
    .fixed-convert-inner{gap:10px}
    .fixed-convert-text{font-size:13px}
}

@media screen and (max-width:520px){
    .container{padding:0 16px}
    .hero-inner{padding:48px 0}
    .hero h1{font-size:26px;line-height:1.3}
    .hero-badge{font-size:12px;padding:5px 10px}
    .hero-visual{min-height:220px}
    .hero-glass-card{max-width:210px;padding:12px 14px}
    .hero-glass-text span{font-size:12px}
    .quick-grid{grid-template-columns:1fr 1fr;gap:10px}
    .quick-item{flex-direction:column;text-align:center;padding:12px 8px}
    .quick-icon{margin-bottom:6px}
    .quick-text small{display:none}
    .section-head h2{font-size:24px}
    .section-head p{font-size:14px}
    .scene-text h2{font-size:22px}
    .proof-logos{gap:24px}
    .proof-logos .logo-item{font-size:15px}
    .final-cta h2{font-size:26px}
    .final-cta p{font-size:14px}
    .fixed-convert-text span{display:none}
}

/* ===== Utility ===== */
.text-center{text-align:center}
.mt-20{margin-top:20px}
.mb-20{margin-bottom:20px}
.mb-40{margin-bottom:40px}
.mt-40{margin-top:40px}
.d-flex{display:flex}
.align-center{align-items:center}
.justify-between{justify-content:space-between}
.gap-12{gap:12px}
.gap-16{gap:16px}

/* ===== Arrow animation ===== */
.arrow{
    transition:margin-left .3s ease;
    font-style:normal;
}
.learn-link:hover .arrow,.read-link:hover .arrow{margin-left:5px}

/* roulang page: article */
:root {
            --main-green: #1B5E4B;
            --dark-green: #123E32;
            --light-green: #2E7D66;
            --accent-orange: #F59C17;
            --accent-orange-dark: #D97F06;
            --bg-warm: #FAF9F5;
            --surface-white: #FFFFFF;
            --text-primary: #1A2420;
            --text-secondary: #5C6B66;
            --text-muted: #8A9892;
            --border-light: #E3E8E2;
            --success-green: #2F9E6E;
            --warning-amber: #EAB308;
            --error-red: #D64545;
            --radius-card: 16px;
            --radius-small: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 1px 3px rgba(20, 30, 26, 0.06), 0 4px 12px rgba(20, 30, 26, 0.04);
            --shadow-hover: 0 4px 12px rgba(20, 30, 26, 0.10), 0 12px 28px rgba(20, 30, 26, 0.08);
            --transition-speed: 0.3s ease;
            --nav-width: 64px;
            --container-max: 1280px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            background: var(--bg-warm);
            color: var(--text-primary);
            -webkit-font-smoothing: antialiased;
        }

        #app-wrapper {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        #main-content {
            margin-left: var(--nav-width);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
        }

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

        a {
            color: var(--light-green);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 78px;
            height: 100vh;
            background: linear-gradient(180deg, #103B30 0%, #0B2B23 100%);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px 0 18px;
            transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 2px 0 24px rgba(16, 59, 48, 0.18);
        }

        .side-nav:hover {
            width: 200px;
        }

        .side-nav .nav-brand {
            display: flex;
            align-items: center;
            margin-bottom: 32px;
            width: 100%;
            padding: 0 12px;
            overflow: hidden;
            white-space: nowrap;
        }

        .nav-brand-logo {
            width: 42px;
            height: 42px;
            min-width: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent-orange), #ffbe5c);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 800;
            color: #1B2A20;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 14px rgba(245, 156, 23, 0.35);
        }

        .nav-brand-text {
            margin-left: 14px;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.5px;
            opacity: 0;
            transition: opacity 0.25s ease 0.05s;
            white-space: nowrap;
            line-height: 1.3;
        }

        .nav-brand-text small {
            display: block;
            font-size: 10px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.8px;
        }

        .side-nav:hover .nav-brand-text {
            opacity: 1;
        }

        .nav-links {
            flex: 1;
            width: 100%;
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding: 0 10px;
        }

        .nav-link {
            display: flex;
            align-items: center;
            padding: 10px 10px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            font-weight: 500;
            transition: background-color 0.2s, color 0.2s;
            position: relative;
            overflow: hidden;
            white-space: nowrap;
        }

        .nav-link .nav-icon {
            width: 34px;
            min-width: 34px;
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            border-radius: 8px;
            transition: background-color 0.2s;
        }

        .nav-link .nav-label {
            margin-left: 14px;
            opacity: 0;
            transition: opacity 0.2s ease 0.05s;
            white-space: nowrap;
            font-weight: 600;
            font-size: 14px;
        }

        .side-nav:hover .nav-link .nav-label {
            opacity: 1;
        }

        .nav-link:hover .nav-icon {
            background: rgba(245, 156, 23, 0.18);
        }

        .nav-link:hover,
        .nav-link.active {
            color: #fff;
        }

        .nav-link.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 20%;
            height: 60%;
            width: 3px;
            border-radius: 0 4px 4px 0;
            background: var(--accent-orange);
        }

        .nav-link.active .nav-icon {
            color: var(--accent-orange);
            background: rgba(245, 156, 23, 0.12);
        }

        .nav-bottom {
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            width: calc(100% - 20px);
            display: flex;
            justify-content: flex-end;
        }

        .nav-bottom-btn {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background-color 0.2s, color 0.2s;
        }

        .nav-bottom-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent-orange);
        }

        .mobile-topbar {
            display: none;
            width: 100%;
            height: 56px;
            background: #103B30;
            position: sticky;
            top: 0;
            z-index: 999;
            padding: 0 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
        }

        .mobile-topbar .mobile-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 16px;
        }

        .mobile-topbar .mobile-logo .mobile-logo-icon {
            width: 30px;
            height: 30px;
            background: var(--accent-orange);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 800;
            color: #1B2A20;
        }

        .mobile-menu-btn {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            left: -280px;
            width: 260px;
            height: 100vh;
            background: #103B30;
            z-index: 1050;
            padding: 24px;
            display: flex;
            flex-direction: column;
            transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .mobile-drawer.open {
            left: 0;
        }

        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1040;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .drawer-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .drawer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 30px;
            color: #fff;
        }

        .drawer-brand .drawer-logo-icon {
            width: 38px;
            height: 38px;
            background: var(--accent-orange);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: #1B2A20;
        }

        .drawer-brand-text {
            font-size: 17px;
            font-weight: 700;
        }

        .drawer-links {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .drawer-links a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 12px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            font-weight: 600;
            transition: background-color 0.2s, color 0.2s;
        }

        .drawer-links a:hover,
        .drawer-links a.active {
            background: rgba(245, 156, 23, 0.12);
            color: var(--accent-orange);
        }

        .drawer-copyright {
            color: rgba(255, 255, 255, 0.4);
            font-size: 12px;
            text-align: center;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .article-header {
            padding: 60px 0 20px;
            background: linear-gradient(180deg, #0F3E32 0%, #1B5E4B 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .article-header::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 156, 23, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }

        .article-header .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 28px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
        }

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.35);
        }

        .article-title {
            font-size: 34px;
            line-height: 1.3;
            font-weight: 800;
            letter-spacing: 0.5px;
            max-width: 860px;
            margin-bottom: 16px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 20px;
        }

        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta .meta-item i {
            color: var(--accent-orange);
        }

        .article-excerpt {
            background: rgba(255, 255, 255, 0.07);
            border-left: 3px solid var(--accent-orange);
            padding: 18px 24px;
            border-radius: 0 10px 10px 0;
            margin-top: 24px;
            font-size: 15px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.85);
            max-width: 860px;
        }

        .article-main {
            padding: 50px 0 64px;
            flex: 1;
        }

        .article-layout {
            display: flex;
            gap: 48px;
            align-items: flex-start;
        }

        .article-body-col {
            flex: 0 0 70%;
            max-width: 70%;
            min-width: 0;
        }

        .article-single {
            background: var(--surface-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 48px 52px;
            border: 1px solid var(--border-light);
        }

        .article-single .article-content {
            font-size: 16px;
            line-height: 2;
            color: var(--text-primary);
        }

        .article-single .article-content>p {
            margin-bottom: 1.2em;
        }

        .article-single .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 2em 0 0.7em;
            color: var(--text-primary);
            line-height: 1.4;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-light);
        }

        .article-single .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 1.8em 0 0.6em;
            color: var(--text-primary);
        }

        .article-single .article-content p {
            margin-bottom: 1.1em;
        }

        .article-single .article-content ul {
            padding-left: 24px;
            margin-bottom: 1.3em;
        }

        .article-single .article-content ul li {
            margin-bottom: 0.5em;
            list-style: disc;
        }

        .article-single .article-content ol {
            padding-left: 24px;
            margin-bottom: 1.3em;
        }

        .article-single .article-content ol li {
            margin-bottom: 0.5em;
            list-style: decimal;
        }

        .article-single .article-content blockquote {
            border-left: 3px solid var(--accent-orange);
            background: var(--bg-warm);
            padding: 16px 24px;
            margin: 1.5em 0;
            border-radius: 0 10px 10px 0;
            color: var(--text-secondary);
            font-style: normal;
        }

        .article-single .article-content img {
            border-radius: 12px;
            margin: 1.5em auto;
            display: block;
        }

        .article-single .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 15px;
            border: 1px solid var(--border-light);
            border-radius: 10px;
            overflow: hidden;
        }

        .article-single .article-content table th {
            background: var(--main-green);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }

        .article-single .article-content table td {
            padding: 11px 16px;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-primary);
        }

        .article-single .article-content table tr:nth-child(odd) {
            background: #F8FAF8;
        }

        .article-single .article-content table tr:last-child td {
            border-bottom: none;
        }

        .article-not-found {
            padding: 80px 40px;
            text-align: center;
        }

        .article-not-found .icon-404 {
            font-size: 56px;
            color: var(--border-light);
            margin-bottom: 20px;
        }

        .article-not-found h2 {
            font-size: 24px;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .article-not-found p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .article-aside {
            flex: 0 0 30%;
            max-width: 30%;
            min-width: 0;
            position: sticky;
            top: 24px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .aside-card {
            background: var(--surface-white);
            border-radius: var(--radius-small);
            box-shadow: var(--shadow-card);
            padding: 24px;
            border: 1px solid var(--border-light);
        }

        .aside-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .aside-card h3 i {
            color: var(--accent-orange);
        }

        .aside-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .aside-links li {
            margin-bottom: 6px;
        }

        .aside-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            transition: background-color 0.2s, color 0.2s;
            border-left: 2px solid transparent;
        }

        .aside-links a:hover {
            background: var(--bg-warm);
            color: var(--main-green);
            border-left-color: var(--accent-orange);
        }

        .aside-related .rel-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
        }

        .aside-related .rel-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .rel-thumb {
            width: 64px;
            height: 64px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
        }

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

        .rel-text {
            flex: 1;
            min-width: 0;
        }

        .rel-text h4 {
            font-size: 13px;
            line-height: 1.5;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .rel-text h4 a {
            color: var(--text-primary);
        }

        .rel-text h4 a:hover {
            color: var(--accent-orange-dark);
        }

        .rel-text .rel-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        .back-home-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            padding: 12px 10px;
            background: var(--main-green);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            gap: 8px;
            border: 1px solid transparent;
            transition: background-color 0.25s, transform 0.2s, box-shadow 0.25s;
            box-shadow: 0 2px 8px rgba(27, 94, 75, 0.18);
        }

        .back-home-btn:hover {
            background: var(--dark-green);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(27, 94, 75, 0.3);
        }

        .article-footer-nav {
            margin-top: 40px;
            border-top: 1px solid var(--border-light);
            padding-top: 28px;
            display: flex;
            justify-content: space-between;
            gap: 20px;
        }

        .prev-next-item {
            flex: 1;
            max-width: 48%;
        }

        .prev-next-item a {
            display: block;
            padding: 16px 18px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-btn);
            background: var(--surface-white);
            transition: border-color 0.25s, box-shadow 0.25s, transform 0.2s;
        }

        .prev-next-item a:hover {
            border-color: var(--main-green);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .prev-next-item .direction {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
            margin-bottom: 4px;
        }

        .prev-next-item .title {
            font-size: 15px;
            color: var(--text-primary);
            font-weight: 600;
        }

        .prev-next-item.next {
            text-align: right;
        }

        .related-posts-section {
            padding: 0 0 60px;
        }

        .related-posts-section .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .related-posts-section .section-title i {
            color: var(--accent-orange);
        }

        .related-cards-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .related-card {
            display: flex;
            background: var(--surface-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-small);
            overflow: hidden;
            transition: border-color 0.25s, box-shadow 0.25s, transform 0.2s;
        }

        .related-card:hover {
            border-color: var(--main-green);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .related-card .related-card-img {
            width: 45%;
            min-height: 160px;
            overflow: hidden;
        }

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

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

        .related-card .related-card-body {
            flex: 1;
            padding: 20px 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .related-card .related-card-body h4 {
            font-size: 16px;
            line-height: 1.5;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .related-card .related-card-body h4 a {
            color: var(--text-primary);
        }

        .related-card .related-card-body h4 a:hover {
            color: var(--accent-orange-dark);
        }

        .related-card .related-card-body .related-date {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .related-card .related-card-body .related-date i {
            color: var(--accent-orange);
        }

        .article-cta {
            background: linear-gradient(135deg, #103B30 0%, #1B5E4B 100%);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .article-cta::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle at 80% 20%, rgba(245, 156, 23, 0.12) 0%, transparent 50%);
        }

        .article-cta .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .article-cta h2 {
            font-size: 28px;
            color: #fff;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .article-cta p {
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 28px;
        }

        .btn-main {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            background: var(--accent-orange);
            color: #1B2A20;
            font-size: 16px;
            font-weight: 700;
            border: 1px solid var(--accent-orange);
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(245, 156, 23, 0.35);
            letter-spacing: 0.5px;
        }

        .btn-main:hover {
            background: var(--accent-orange-dark);
            border-color: var(--accent-orange-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 156, 23, 0.4);
            color: #1B2A20;
        }

        .btn-main:active {
            transform: translateY(0);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: 1.5px solid rgba(255, 255, 255, 0.8);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            transition: background-color 0.3s, color 0.3s, transform 0.2s;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent-orange);
            transform: translateY(-1px);
        }

        .footer {
            background: #0B2B23;
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
            border-top: 3px solid var(--accent-orange);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.9fr 0.9fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--accent-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: #1B2A20;
        }

        .footer-brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

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

        .footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color 0.2s, padding-left 0.25s;
        }

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

        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 14px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--accent-orange);
            margin-top: 4px;
            min-width: 16px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .sticky-bar {
            position: fixed;
            bottom: 0;
            left: var(--nav-width);
            right: 0;
            z-index: 980;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            box-shadow: 0 -4px 20px rgba(20, 30, 26, 0.12);
            padding: 10px 0;
            border-top: 1px solid var(--border-light);
            transform: translateY(0);
            transition: transform 0.4s ease;
        }

        .sticky-bar.hidden {
            transform: translateY(120%);
        }

        .sticky-bar .sticky-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            padding: 4px 20px;
            flex-wrap: wrap;
        }

        .sticky-bar .sticky-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
        }

        .sticky-bar .sticky-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--main-green);
            color: #fff;
            padding: 10px 20px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            transition: background-color 0.2s, transform 0.2s;
        }

        .sticky-bar .sticky-btn:hover {
            background: var(--dark-green);
            transform: translateY(-1px);
            color: #fff;
        }

        .sticky-bar .sticky-close {
            color: var(--text-muted);
            font-size: 18px;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            transition: background-color 0.2s;
        }

        .sticky-bar .sticky-close:hover {
            background: var(--bg-warm);
            color: var(--error-red);
        }

        @media (max-width: 1024px) {
            :root {
                --nav-width: 56px;
            }

            .side-nav {
                width: 56px;
            }

            .side-nav:hover {
                width: 56px;
            }

            .nav-link .nav-label,
            .nav-brand-text {
                display: none;
            }

            .side-nav .nav-brand {
                justify-content: center;
                padding: 0;
            }

            .side-nav:hover .nav-brand-text,
            .side-nav:hover .nav-link .nav-label {
                display: none;
            }

            .nav-bottom {
                justify-content: center;
            }

            .article-layout {
                flex-direction: column;
                gap: 32px;
            }

            .article-body-col {
                flex: 1 1 auto;
                max-width: 100%;
            }

            .article-aside {
                flex: 1 1 auto;
                max-width: 100%;
                position: static;
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            }

            .article-single {
                padding: 36px 32px;
            }

            .article-title {
                font-size: 28px;
            }

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

            .sticky-bar {
                left: 56px;
            }
        }

        @media (max-width: 640px) {
            body.menu-open {
                overflow: hidden;
            }

            #main-content {
                margin-left: 0;
            }

            .side-nav {
                display: none;
            }

            .mobile-topbar {
                display: flex;
            }

            .container {
                padding: 0 18px;
            }

            .article-header {
                padding: 40px 0 16px;
            }

            .article-title {
                font-size: 24px;
                line-height: 1.4;
            }

            .article-excerpt {
                padding: 14px 16px;
                font-size: 14px;
            }

            .article-meta {
                gap: 12px;
                font-size: 12px;
                flex-direction: column;
                gap: 8px;
            }

            .article-single {
                padding: 24px 18px;
            }

            .article-single .article-content {
                font-size: 15px;
            }

            .article-single .article-content h2 {
                font-size: 22px;
            }

            .related-cards-row {
                grid-template-columns: 1fr;
            }

            .article-footer-nav {
                flex-direction: column;
                gap: 12px;
            }

            .prev-next-item {
                max-width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer {
                padding-top: 40px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
                font-size: 12px;
            }

            .sticky-bar {
                left: 0;
                padding: 8px 0;
                border-radius: 0;
            }

            .sticky-bar .sticky-inner {
                gap: 12px;
                padding: 4px 8px;
                justify-content: space-between;
            }

            .sticky-bar .sticky-text {
                font-size: 12px;
                flex: 1;
                padding-left: 4px;
            }

            .sticky-bar .sticky-btn {
                padding: 8px 12px;
                font-size: 13px;
                min-height: 36px;
            }

            .sticky-bar .sticky-close {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }

            .aside-card {
                padding: 18px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1B5E4B;
            --primary-dark: #123E32;
            --primary-light: #2E7D66;
            --accent: #F59C17;
            --accent-hover: #D97F06;
            --bg: #FAF9F5;
            --surface: #FFFFFF;
            --text: #1A2420;
            --text-secondary: #5C6B66;
            --text-muted: #8A9892;
            --border: #E3E8E2;
            --success: #2F9E6E;
            --warning: #EAB308;
            --danger: #D64545;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 1px 3px rgba(20, 30, 26, .06), 0 4px 12px rgba(20, 30, 26, .04);
            --shadow-hover: 0 4px 12px rgba(20, 30, 26, .10), 0 12px 28px rgba(20, 30, 26, .08);
            --shadow-bar: 0 -4px 20px rgba(20, 30, 26, .12);
            --transition: .3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover,
        a:focus {
            color: var(--primary-light);
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

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

        .main-content {
            margin-left: 64px;
        }

        .section {
            padding: 88px 0;
        }

        .section-tag {
            display: inline-block;
            background: rgba(27, 94, 75, .10);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .02em;
            padding: 6px 14px;
            border-radius: 4px;
            margin-bottom: 16px;
        }

        .section-head {
            margin-bottom: 48px;
        }

        .section-head.center {
            text-align: center;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 640px;
        }

        .section-head.center p {
            margin: 0 auto;
        }

        /* ===== 左侧导航 App Shell ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 64px;
            background: #103B30;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px 0 16px;
            transition: width var(--transition);
            box-shadow: 2px 0 12px rgba(0, 0, 0, .18);
        }

        .side-nav.expanded {
            width: 200px;
            align-items: flex-start;
            padding: 20px 12px 16px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 6px;
            margin-bottom: 32px;
            width: 100%;
        }

        .nav-brand-logo {
            width: 40px;
            height: 40px;
            min-width: 40px;
            border-radius: 10px;
            background: var(--accent);
            color: #1A2420;
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: Inter, "Segoe UI", sans-serif;
        }

        .nav-brand-text {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            line-height: 1.3;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition);
        }

        .side-nav.expanded .nav-brand-text {
            opacity: 1;
            pointer-events: auto;
        }

        .nav-brand-text small {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: rgba(255, 255, 255, .55);
            letter-spacing: .04em;
        }

        .nav-links {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
            width: 100%;
        }

        .nav-link {
            position: relative;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 10px;
            border-radius: 10px;
            color: rgba(255, 255, 255, .72);
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            transition: background var(--transition), color var(--transition);
            min-height: 44px;
        }

        .nav-link:hover {
            background: rgba(255, 255, 255, .08);
            color: var(--accent);
        }

        .nav-link:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, .06);
        }

        .nav-link.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 24px;
            background: var(--accent);
            border-radius: 0 3px 3px 0;
        }

        .nav-icon {
            font-size: 18px;
            width: 22px;
            text-align: center;
            min-width: 22px;
        }

        .nav-label {
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition);
            font-size: 14px;
        }

        .side-nav.expanded .nav-label {
            opacity: 1;
            pointer-events: auto;
        }

        .nav-bottom {
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, .10);
            width: 100%;
        }

        .nav-bottom-btn {
            width: 44px;
            height: 44px;
            border: none;
            background: transparent;
            color: rgba(255, 255, 255, .7);
            border-radius: 10px;
            cursor: pointer;
            font-size: 16px;
            transition: background var(--transition), color var(--transition), transform var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto;
        }

        .nav-bottom-btn:hover {
            background: rgba(255, 255, 255, .10);
            color: var(--accent);
        }

        .nav-bottom-btn:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .side-nav.expanded .nav-bottom-btn {
            margin-left: auto;
            margin-right: 0;
            transform: rotate(180deg);
        }

        /* ===== 移动端顶部 / 抽屉 ===== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: #103B30;
            z-index: 1100;
            padding: 0 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0, 0, 0, .15);
        }

        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-weight: 700;
            font-size: 16px;
        }

        .mobile-logo span {
            font-size: 14px;
            letter-spacing: .02em;
        }

        .mobile-menu-btn {
            width: 44px;
            height: 44px;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 20px;
            border-radius: 8px;
            cursor: pointer;
            transition: background var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, .10);
        }

        .mobile-menu-btn:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .mobile-drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, .5);
            z-index: 1190;
        }

        .mobile-drawer-overlay.open {
            display: block;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 280px;
            background: #103B30;
            z-index: 1200;
            transform: translateX(-100%);
            transition: transform .32s ease;
            display: flex;
            flex-direction: column;
            padding: 20px 16px;
        }

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

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

        .drawer-logo {
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .drawer-logo::before {
            content: 'bS';
            display: inline-flex;
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: #1A2420;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
        }

        .drawer-close {
            width: 44px;
            height: 44px;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 18px;
            border-radius: 8px;
            cursor: pointer;
            transition: background var(--transition);
        }

        .drawer-close:hover {
            background: rgba(255, 255, 255, .10);
        }

        .drawer-links {
            list-style: none;
            flex: 1;
        }

        .drawer-links li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 10px;
            color: rgba(255, 255, 255, .75);
            font-size: 16px;
            font-weight: 600;
            border-radius: 10px;
            transition: background var(--transition), color var(--transition);
            min-height: 48px;
        }

        .drawer-links li a:hover,
        .drawer-links li a.active {
            background: rgba(255, 255, 255, .08);
            color: var(--accent);
        }

        .drawer-footer {
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, .10);
            color: rgba(255, 255, 255, .45);
            font-size: 12px;
            line-height: 1.7;
            text-align: center;
        }

        body.drawer-open {
            overflow: hidden;
        }

        /* ===== 分类页 Hero ===== */
        .category-hero {
            position: relative;
            padding: 80px 0 72px;
            background: var(--primary-dark) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            color: #fff;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(16, 59, 48, .92) 30%, rgba(27, 94, 75, .72) 70%, rgba(245, 156, 23, .18) 100%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .85);
            transition: color var(--transition);
        }

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

        .crumb-sep {
            opacity: .5;
        }

        .category-hero h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            max-width: 820px;
        }

        .category-hero h1 .text-orange {
            color: var(--accent);
        }

        .category-hero .lead {
            font-size: 18px;
            color: rgba(255, 255, 255, .82);
            max-width: 680px;
            line-height: 1.8;
        }

        /* ===== 分类介绍区 ===== */
        .intro-section {
            background: var(--bg);
        }

        .intro-text h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 16px;
        }

        .intro-text>p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

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

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            color: var(--text);
            font-size: 15px;
            border-bottom: 1px solid var(--border);
        }

        .check-list li:last-child {
            border-bottom: none;
        }

        .check-list li i {
            color: var(--success);
            margin-top: 4px;
            font-size: 14px;
        }

        .intro-media {
            position: relative;
        }

        .intro-img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            width: 100%;
            height: 360px;
            object-fit: cover;
        }

        .intro-card {
            position: absolute;
            left: -18px;
            bottom: 30px;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-hover);
            padding: 18px 22px;
            max-width: 220px;
            border-left: 4px solid var(--accent);
        }

        .intro-card-num {
            display: block;
            font-size: 24px;
            font-weight: 800;
            color: var(--accent);
            font-family: Inter, "Segoe UI", sans-serif;
        }

        .intro-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 6px 0 0;
            line-height: 1.6;
        }

        /* ===== 核心入口方式 ===== */
        .ways-section {
            background: var(--surface);
        }

        .ways-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .way-card {
            position: relative;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 28px 32px;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            overflow: hidden;
        }

        .way-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: transparent;
            transition: background var(--transition);
        }

        .way-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }

        .way-card:hover::after {
            background: var(--accent);
        }

        .way-card.middle {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-10px);
        }

        .way-card.middle:hover {
            transform: translateY(-14px);
        }

        .way-num {
            font-family: Inter, "Segoe UI", sans-serif;
            font-size: 42px;
            font-weight: 800;
            color: rgba(27, 94, 75, .18);
            line-height: 1;
            margin-bottom: 20px;
        }

        .way-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: rgba(27, 94, 75, .10);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
        }

        .way-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .way-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 20px;
        }

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

        .text-link:hover {
            color: var(--accent-hover);
            gap: 10px;
        }

        .text-link i {
            font-size: 13px;
            transition: transform var(--transition);
        }

        /* ===== 适用场景 ===== */
        .scenario-section {
            background: #F0F3EF;
        }

        .scenario-media {
            position: relative;
        }

        .scenario-img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .scenario-text h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 14px;
        }

        .scenario-text>p {
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

        .scenario-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .scenario-list li {
            display: flex;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(227, 232, 226, .8);
        }

        .scenario-list li:last-child {
            border-bottom: none;
        }

        .scenario-list li i {
            width: 40px;
            height: 40px;
            min-width: 40px;
            border-radius: 10px;
            background: var(--surface);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            box-shadow: var(--shadow-card);
        }

        .scenario-list li strong {
            display: block;
            font-size: 16px;
            margin-bottom: 4px;
        }

        .scenario-list li span {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== 操作流程 ===== */
        .process-section {
            background: var(--surface);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
        }

        .process-item {
            position: relative;
            padding: 28px 24px;
            background: var(--bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .process-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }

        .process-dot {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-family: Inter, "Segoe UI", sans-serif;
            box-shadow: 0 0 0 5px rgba(27, 94, 75, .12);
        }

        .process-item h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .process-item p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== 数据信任点 ===== */
        .stats-section {
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(245, 156, 23, .12);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            position: relative;
            z-index: 2;
        }

        .stat-item {
            text-align: center;
            padding: 24px 16px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .08);
            transition: background var(--transition), transform var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, .08);
            transform: translateY(-4px);
        }

        .stat-num {
            font-size: 46px;
            font-weight: 800;
            color: var(--accent);
            font-family: Inter, "Segoe UI", sans-serif;
            line-height: 1.1;
        }

        .stat-unit {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-top: 10px;
        }

        .stat-item p {
            color: rgba(255, 255, 255, .55);
            font-size: 13px;
            margin: 8px 0 0;
            line-height: 1.6;
        }

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

        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
            list-style: none;
            background: transparent;
            border: none;
        }

        .faq-accordion .accordion-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-accordion .accordion-item:hover,
        .faq-accordion .accordion-item.is-active {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-hover);
        }

        .faq-accordion .accordion-title {
            position: relative;
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            padding: 20px 24px;
            background: transparent;
            border: none;
            min-height: 56px;
        }

        .faq-accordion .accordion-title::after {
            content: '+';
            font-size: 22px;
            color: var(--accent);
            margin-left: auto;
            font-weight: 400;
            transition: transform var(--transition);
        }

        .faq-accordion .accordion-item.is-active .accordion-title::after {
            content: '−';
        }

        .faq-accordion .accordion-content {
            padding: 0 24px 22px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid var(--border);
            background: var(--surface);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before,
        .cta-section::after {
            content: '';
            position: absolute;
            border-radius: 50%;
            background: rgba(245, 156, 23, .10);
        }

        .cta-section::before {
            width: 300px;
            height: 300px;
            top: -80px;
            left: -80px;
        }

        .cta-section::after {
            width: 200px;
            height: 200px;
            bottom: -60px;
            right: -40px;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, .72);
            font-size: 17px;
            margin-bottom: 32px;
        }

        .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid transparent;
            cursor: pointer;
            transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .btn:focus {
            outline: 3px solid rgba(245, 156, 23, .35);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--accent);
            color: #1A2420;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            color: #1A2420;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(245, 156, 23, .35);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, .7);
            color: #fff;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, .10);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #0E2E27;
            color: rgba(255, 255, 255, .72);
            padding: 64px 0 0;
            margin-left: 64px;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--accent);
            color: #1A2420;
            font-weight: 800;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: Inter, "Segoe UI", sans-serif;
        }

        .footer-brand-text {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
            max-width: 320px;
        }

        .footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: .03em;
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, .55);
            font-size: 14px;
            transition: color var(--transition), padding-left var(--transition);
        }

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

        .footer-contact p {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .55);
            margin-bottom: 12px;
        }

        .footer-contact i {
            color: var(--accent);
            margin-top: 4px;
        }

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        /* ===== 固定底部转化条 ===== */
        .fixed-bar {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 900;
            background: rgba(255, 255, 255, .95);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border);
            border-radius: 999px;
            box-shadow: var(--shadow-bar);
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 8px 8px 8px 24px;
            transition: opacity var(--transition), transform var(--transition), bottom var(--transition);
        }

        .fixed-bar.hidden {
            opacity: 0;
            pointer-events: none;
            transform: translateX(-50%) translateY(20px);
        }

        .fixed-bar p {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            white-space: nowrap;
            margin: 0;
        }

        .fixed-bar-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #1A2420;
            font-size: 14px;
            font-weight: 600;
            border-radius: 999px;
            padding: 0 20px;
            height: 36px;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .fixed-bar-btn:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(245, 156, 23, .4);
        }

        .fixed-bar-btn:focus {
            outline: 3px solid rgba(245, 156, 23, .35);
            outline-offset: 2px;
        }

        .fixed-bar-close {
            width: 32px;
            height: 32px;
            border: none;
            background: transparent;
            color: var(--text-muted);
            border-radius: 50%;
            cursor: pointer;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition), color var(--transition);
        }

        .fixed-bar-close:hover {
            background: rgba(0, 0, 0, .06);
            color: var(--text);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .side-nav {
                width: 56px;
            }

            .main-content {
                margin-left: 56px;
            }

            .footer {
                margin-left: 56px;
            }

            .ways-grid {
                gap: 16px;
            }

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

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

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .side-nav {
                display: none;
            }

            .mobile-topbar {
                display: flex;
            }

            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }

            .footer {
                margin-left: 0;
                padding-top: 48px;
            }

            .category-hero {
                padding: 48px 0 44px;
                background-position: 60% center;
            }

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

            .category-hero .lead {
                font-size: 16px;
            }

            .intro-media {
                margin-top: 32px;
            }

            .intro-img {
                height: 260px;
            }

            .intro-card {
                left: 12px;
                bottom: 16px;
                max-width: 200px;
            }

            .section-head h2 {
                font-size: 24px;
            }

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

            .way-card.middle {
                transform: none;
            }

            .way-card.middle:hover {
                transform: translateY(-4px);
            }

            .scenario-section .grid-x {
                flex-direction: column-reverse;
            }

            .scenario-media {
                margin-top: 28px;
            }

            .scenario-img {
                height: 240px;
            }

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

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .stat-num {
                font-size: 36px;
            }

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

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

            .fixed-bar {
                bottom: 12px;
                left: 12px;
                right: 44px;
                transform: none;
                border-radius: 12px;
                padding: 6px 6px 6px 16px;
                justify-content: space-between;
            }

            .fixed-bar.hidden {
                transform: translateY(20px);
                opacity: 0;
            }

            .fixed-bar p {
                font-size: 13px;
                white-space: normal;
            }

            .fixed-bar-btn {
                padding: 0 14px;
                height: 34px;
                font-size: 13px;
                white-space: nowrap;
            }

            .cta-btns {
                flex-direction: column;
            }

            .btn {
                width: 100%;
            }
        }

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

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

            .stat-item {
                padding: 18px;
            }

            .faq-accordion .accordion-title {
                font-size: 15px;
                padding: 16px 18px;
            }

            .faq-accordion .accordion-content {
                padding: 0 18px 18px;
                font-size: 14px;
            }

            .intro-img {
                height: 210px;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1B5E4B;
            --primary-dark: #123E32;
            --primary-deep: #0C2B23;
            --primary-light: #2E7D66;
            --accent: #F59C17;
            --accent-dark: #D97F06;
            --bg: #FAF9F5;
            --surface: #FFFFFF;
            --text: #1A2420;
            --text-2: #5C6B66;
            --text-3: #8A9892;
            --border: #E3E8E2;
            --muted: #F0F3EF;
            --success: #2F9E6E;
            --warning: #EAB308;
            --danger: #D64545;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-sm: 8px;
            --shadow-1: 0 1px 3px rgba(20, 30, 26, .06), 0 4px 12px rgba(20, 30, 26, .04);
            --shadow-2: 0 4px 12px rgba(20, 30, 26, .10), 0 12px 28px rgba(20, 30, 26, .08);
            --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --nav-w: 64px;
            --section-pad: 88px;
            --max-w: 1240px;
        }

        /* ===== Reset / Base ===== */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ===== App Shell ===== */
        .app-shell {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .main-content {
            margin-left: var(--nav-w);
            display: flex;
            flex-direction: column;
            flex: 1;
            min-width: 0;
        }

        /* ===== 侧边导航 ===== */
        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--nav-w);
            background: linear-gradient(180deg, #103B30 0%, #0C2B23 100%);
            z-index: 999;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px 0;
            transition: width .3s ease;
            border-right: 1px solid rgba(255, 255, 255, .06);
            box-shadow: 2px 0 16px rgba(10, 30, 24, .15);
        }
        .side-nav.nav-open {
            width: 200px;
            align-items: flex-start;
            padding-left: 10px;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            width: 100%;
            padding: 0 10px 22px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            margin-bottom: 14px;
        }
        .nav-brand-logo {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--accent);
            color: #152B22;
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            letter-spacing: -.03em;
        }
        .nav-brand-text {
            margin-left: 12px;
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            white-space: nowrap;
            display: none;
        }
        .side-nav.nav-open .nav-brand-text {
            display: block;
        }
        .nav-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
            width: 100%;
        }
        .nav-link {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            width: 100%;
            padding: 10px 0;
            color: rgba(255, 255, 255, .72);
            border-left: 3px solid transparent;
            transition: all .2s;
            min-height: 48px;
        }
        .side-nav.nav-open .nav-link {
            justify-content: flex-start;
            padding-left: 18px;
        }
        .nav-link:hover,
        .nav-link.active {
            color: #fff;
        }
        .nav-link.active {
            color: var(--accent);
            border-left-color: var(--accent);
            background: linear-gradient(90deg, rgba(245, 156, 23, .10), transparent);
        }
        .nav-icon {
            font-size: 18px;
            width: 40px;
            text-align: center;
            flex-shrink: 0;
        }
        .nav-label {
            display: none;
        }
        .side-nav.nav-open .nav-label {
            display: inline-block;
            margin-left: 10px;
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
        }
        .side-nav:not(.nav-open) .nav-link:hover .nav-label {
            display: block;
            position: absolute;
            left: 56px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--primary-dark);
            color: #fff;
            padding: 5px 12px;
            font-size: 13px;
            border-radius: 6px;
            white-space: nowrap;
            box-shadow: var(--shadow-2);
            z-index: 200;
        }
        .nav-bottom {
            margin-top: auto;
            width: 100%;
            display: flex;
            justify-content: center;
        }
        .nav-bottom-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            color: rgba(255, 255, 255, .75);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: .2s;
        }
        .nav-bottom-btn:hover {
            background: rgba(255, 255, 255, .08);
            color: var(--accent);
        }
        .side-nav.nav-open .nav-bottom-btn {
            transform: rotate(180deg);
        }

        /* ===== 移动端导航 ===== */
        .mobile-header {
            display: none;
        }
        .mobile-drawer-overlay {
            display: none;
        }
        .mobile-drawer {
            display: none;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 24px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            transition: all .2s;
            border: 1.5px solid transparent;
            line-height: 1;
        }
        .btn-primary {
            background: var(--accent);
            color: #152B22;
            box-shadow: 0 2px 6px rgba(245, 156, 23, .25);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(217, 127, 6, .3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, .8);
            color: #fff;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
            transform: translateY(-1px);
        }
        .btn-dark {
            background: var(--primary);
            color: #fff;
        }
        .btn-dark:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-2);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(245, 156, 23, .45);
            outline-offset: 2px;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-3);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-2);
            transition: .2s;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--border);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: var(--section-pad) 0;
        }
        .section-head {
            margin-bottom: 44px;
        }
        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .04em;
            color: var(--primary);
            background: rgba(27, 94, 75, .08);
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 30px;
            line-height: 1.3;
            color: var(--text);
            font-weight: 700;
        }
        .section-head p {
            color: var(--text-2);
            margin-top: 10px;
            max-width: 640px;
        }

        /* ===== 分类 Banner ===== */
        .cat-banner {
            position: relative;
            padding: 72px 0 64px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, #0F3A2C 60%, var(--primary) 100%);
            overflow: hidden;
            color: #fff;
            border-bottom: 4px solid var(--accent);
        }
        .cat-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: .14;
        }
        .cat-banner::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 156, 23, .28), transparent 70%);
        }
        .cat-banner .container {
            position: relative;
            z-index: 2;
        }
        .cat-banner .breadcrumb {
            color: rgba(255, 255, 255, .62);
        }
        .cat-banner .breadcrumb a {
            color: rgba(255, 255, 255, .78);
        }
        .cat-banner .breadcrumb a:hover {
            color: var(--accent);
        }
        .cat-banner h1 {
            font-size: 42px;
            line-height: 1.2;
            margin: 22px 0 16px;
            font-weight: 800;
            color: #fff;
            max-width: 820px;
        }
        .cat-banner h1 .hl {
            color: var(--accent);
        }
        .cat-banner .lead {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .85);
            max-width: 700px;
            margin-bottom: 32px;
        }
        .cat-banner .btn-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .cat-banner .banner-meta {
            display: flex;
            gap: 24px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .cat-banner .banner-meta span {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
        }
        .cat-banner .banner-meta i {
            color: var(--accent);
        }

        /* ===== 分类介绍 ===== */
        .cat-intro {
            padding: var(--section-pad) 0;
            background: var(--surface);
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 56px;
            align-items: center;
        }
        .intro-text h2 {
            font-size: 30px;
            line-height: 1.3;
            margin-bottom: 20px;
            color: var(--text);
        }
        .intro-text p {
            color: var(--text-2);
            margin-bottom: 16px;
        }
        .intro-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin: 22px 0 26px;
        }
        .intro-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text);
            font-weight: 500;
        }
        .intro-list i {
            color: var(--accent);
            margin-top: 4px;
        }
        .intro-img {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-2);
        }
        .intro-img img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .intro-img:hover img {
            transform: scale(1.03);
        }
        .intro-img .img-badge {
            position: absolute;
            left: 16px;
            bottom: 16px;
            background: rgba(12, 43, 35, .72);
            backdrop-filter: blur(6px);
            color: #fff;
            padding: 10px 18px;
            border-radius: 10px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, .14);
        }

        /* ===== 覆盖范围 ===== */
        .guide-scope {
            padding: var(--section-pad) 0;
            background: var(--bg);
        }
        .scope-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 44px;
            gap: 20px;
        }
        .scope-head h2 {
            font-size: 30px;
            font-weight: 700;
        }
        .scope-head .more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            white-space: nowrap;
        }
        .scope-head .more-link i {
            transition: transform .2s;
        }
        .scope-head .more-link:hover i {
            transform: translateX(4px);
        }
        .scope-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .scope-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-1);
            transition: all .3s ease;
            min-height: 230px;
            display: flex;
            flex-direction: column;
        }
        .scope-card:nth-child(2) {
            transform: translateY(-8px);
            border-color: rgba(245, 156, 23, .5);
            box-shadow: 0 8px 24px rgba(245, 156, 23, .12);
        }
        .scope-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-2);
            border-color: var(--primary);
        }
        .scope-card:nth-child(2):hover {
            transform: translateY(-10px);
        }
        .scope-num {
            font-family: "Inter", "Segoe UI", sans-serif;
            font-size: 52px;
            font-weight: 800;
            line-height: 1;
            color: var(--border);
            margin-bottom: 20px;
            letter-spacing: -.02em;
            transition: color .3s;
        }
        .scope-card:hover .scope-num {
            color: var(--accent);
        }
        .scope-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: rgba(27, 94, 75, .08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
        }
        .scope-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .scope-card p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
            flex: 1;
        }
        .scope-card .card-link {
            margin-top: 14px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .scope-card .card-link i {
            transition: transform .2s;
        }
        .scope-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 使用流程 ===== */
        .guide-steps {
            padding: var(--section-pad) 0;
            background: var(--primary-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .guide-steps::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 156, 23, .18), transparent 68%);
        }
        .guide-steps .section-head h2 {
            color: #fff;
        }
        .guide-steps .section-head p {
            color: rgba(255, 255, 255, .66);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }
        .step-item {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            padding: 30px 22px;
            text-align: center;
            transition: .3s;
            position: relative;
        }
        .step-item:hover {
            background: rgba(255, 255, 255, .08);
            transform: translateY(-4px);
        }
        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent);
            color: #152B22;
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-family: "Inter", sans-serif;
        }
        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }
        .step-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, .68);
            line-height: 1.7;
        }
        .step-arrow {
            position: absolute;
            right: -18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--accent);
            font-size: 18px;
            z-index: 3;
        }

        /* ===== 实用提示 ===== */
        .guide-tips {
            padding: var(--section-pad) 0;
            background: var(--muted);
        }
        .tips-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .tips-content h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .tips-content .tips-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 28px;
        }
        .tips-content .tips-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--surface);
            border: 1px solid var(--border);
            padding: 16px 18px;
            border-radius: 12px;
            box-shadow: var(--shadow-1);
            transition: .2s;
        }
        .tips-content .tips-list li:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-2);
        }
        .tips-content .tips-list i {
            color: var(--accent);
            margin-top: 5px;
        }
        .tips-content .tips-list strong {
            display: block;
            font-size: 15px;
            color: var(--text);
        }
        .tips-content .tips-list span {
            font-size: 14px;
            color: var(--text-2);
        }
        .tips-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-2);
            min-height: 360px;
        }
        .tips-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            transition: transform .4s;
        }
        .tips-visual:hover img {
            transform: scale(1.03);
        }
        .tips-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(18, 62, 50, .15), rgba(18, 62, 50, .75));
            display: flex;
            align-items: flex-end;
            padding: 28px;
        }
        .tips-overlay-content {
            color: #fff;
            border-left: 3px solid var(--accent);
            padding-left: 16px;
        }
        .tips-overlay-content strong {
            font-size: 18px;
            display: block;
            margin-bottom: 6px;
        }
        .tips-overlay-content span {
            font-size: 14px;
            color: rgba(255, 255, 255, .8);
        }

        /* ===== FAQ 手风琴 ===== */
        .guide-faq {
            padding: var(--section-pad) 0;
            background: var(--surface);
        }
        .faq-wrap {
            max-width: 880px;
            margin: 0 auto;
        }
        .accordion.guide-faq-list {
            border: none;
            background: transparent;
        }
        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius) !important;
            margin-bottom: 14px;
            overflow: hidden;
            transition: .2s;
            background: var(--surface);
        }
        .accordion-item:hover {
            border-color: var(--primary) !important;
        }
        .accordion-item .accordion-title {
            background: var(--surface) !important;
            color: var(--text) !important;
            font-size: 17px;
            font-weight: 600;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            border: none !important;
            position: relative;
            transition: .2s;
            border-radius: 0 !important;
        }
        .accordion-item .accordion-title:hover {
            background: var(--muted) !important;
            color: var(--primary) !important;
        }
        .accordion-item .accordion-title::before {
            content: '+';
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(27, 94, 75, .08);
            color: var(--primary);
            font-size: 18px;
            font-weight: 700;
            order: 2;
            flex-shrink: 0;
            transition: .2s;
        }
        .accordion-item.is-active .accordion-title::before {
            content: '−';
            background: var(--primary);
            color: #fff;
        }
        .accordion-item .accordion-content {
            background: var(--muted) !important;
            border: none !important;
            padding: 0 24px 22px !important;
            color: var(--text-2);
            font-size: 15px;
            line-height: 1.8;
        }
        .accordion-item .accordion-content p {
            margin-bottom: 8px;
        }
        .accordion-item .accordion-content p:last-child {
            margin-bottom: 0;
        }

        /* ===== 底部 CTA ===== */
        .guide-cta {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            position: relative;
            overflow: hidden;
            text-align: center;
            color: #fff;
        }
        .guide-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: .12;
        }
        .guide-cta::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: 50%;
            transform: translateX(-50%);
            width: 520px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 156, 23, .26), transparent 70%);
        }
        .guide-cta .container {
            position: relative;
            z-index: 2;
        }
        .guide-cta h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .guide-cta p {
            font-size: 17px;
            color: rgba(255, 255, 255, .78);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .guide-cta .btn-row {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 底部固定转化条 ===== */
        .fixed-bar {
            position: fixed;
            bottom: 16px;
            left: calc(var(--nav-w) + 16px);
            right: 16px;
            z-index: 900;
            background: var(--primary-dark);
            color: #fff;
            border-radius: 14px;
            box-shadow: 0 -4px 20px rgba(20, 30, 26, .14), 0 8px 28px rgba(20, 30, 26, .2);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 16px 12px 22px;
            max-width: 1200px;
            margin: 0 auto;
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, .10);
        }
        .fixed-bar .fb-text {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .fixed-bar .fb-text i {
            color: var(--accent);
            font-size: 17px;
        }
        .fixed-bar .fb-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .fixed-bar .btn {
            min-height: 36px;
            padding: 0 18px;
            font-size: 14px;
            border-radius: 8px;
        }
        .fixed-bar .fb-close {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            color: rgba(255, 255, 255, .6);
            font-size: 15px;
            transition: .2s;
        }
        .fixed-bar .fb-close:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, .78);
            padding: 64px 0 30px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 44px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .footer-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--accent);
            color: #152B22;
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .footer-brand-text {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            max-width: 340px;
        }
        .footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .64);
            transition: .2s;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 3px;
        }
        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 10px;
            display: flex;
            gap: 8px;
            align-items: flex-start;
        }
        .footer-contact i {
            color: var(--accent);
            margin-top: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, .5);
            flex-wrap: wrap;
        }

        /* ===== 响应式 ===== */
        @media(max-width:1024px) {
            :root {
                --section-pad: 64px;
            }
            .scope-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .step-arrow {
                display: none;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .tips-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media(max-width:768px) {
            body {
                padding-top: 56px;
            }
            .mobile-header {
                display: flex;
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                height: 56px;
                background: var(--primary-dark);
                z-index: 999;
                align-items: center;
                justify-content: space-between;
                padding: 0 16px;
                box-shadow: 0 2px 12px rgba(20, 30, 26, .15);
            }
            .mobile-header .mh-logo {
                display: flex;
                align-items: center;
                gap: 10px;
                color: #fff;
                font-weight: 700;
                font-size: 15px;
            }
            .mobile-header .mh-logo .mh-logo-icon {
                width: 32px;
                height: 32px;
                border-radius: 9px;
                background: var(--accent);
                color: #152B22;
                display: flex;
                align-items: center;
                justify-content: center;
                font-weight: 800;
            }
            .mobile-header .mh-toggle {
                width: 44px;
                height: 44px;
                display: flex;
                align-items: center;
                justify-content: center;
                color: #fff;
                font-size: 20px;
                border-radius: 8px;
                transition: .2s;
            }
            .mobile-header .mh-toggle:hover {
                background: rgba(255, 255, 255, .08);
            }
            .mobile-drawer-overlay {
                display: block;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, .5);
                z-index: 1050;
                opacity: 0;
                pointer-events: none;
                transition: opacity .3s;
            }
            .mobile-drawer-overlay.show {
                opacity: 1;
                pointer-events: auto;
            }
            .mobile-drawer {
                display: flex;
                flex-direction: column;
                position: fixed;
                top: 0;
                bottom: 0;
                left: 0;
                width: 280px;
                background: linear-gradient(180deg, #103B30, #0C2B23);
                z-index: 1100;
                transform: translateX(-105%);
                transition: transform .3s ease;
                padding: 20px 0;
            }
            .mobile-drawer.open {
                transform: translateX(0);
            }
            .mobile-drawer .md-head {
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: 0 20px 18px;
                border-bottom: 1px solid rgba(255, 255, 255, .08);
                margin-bottom: 12px;
            }
            .mobile-drawer .md-brand {
                display: flex;
                align-items: center;
                gap: 10px;
                color: #fff;
                font-weight: 700;
                font-size: 15px;
            }
            .mobile-drawer .md-brand .md-brand-icon {
                width: 32px;
                height: 32px;
                border-radius: 9px;
                background: var(--accent);
                color: #152B22;
                display: flex;
                align-items: center;
                justify-content: center;
                font-weight: 800;
            }
            .mobile-drawer .md-close {
                width: 44px;
                height: 44px;
                display: flex;
                align-items: center;
                justify-content: center;
                color: rgba(255, 255, 255, .6);
                font-size: 18px;
                border-radius: 8px;
                transition: .2s;
            }
            .mobile-drawer .md-close:hover {
                background: rgba(255, 255, 255, .08);
                color: #fff;
            }
            .mobile-drawer .md-links {
                display: flex;
                flex-direction: column;
                padding: 0 12px;
                gap: 4px;
            }
            .mobile-drawer .md-link {
                display: flex;
                align-items: center;
                gap: 12px;
                color: rgba(255, 255, 255, .8);
                padding: 12px 14px;
                border-radius: 10px;
                font-size: 15px;
                font-weight: 500;
                min-height: 48px;
                transition: .2s;
            }
            .mobile-drawer .md-link:hover,
            .mobile-drawer .md-link.active {
                background: rgba(245, 156, 23, .12);
                color: var(--accent);
            }
            .mobile-drawer .md-bottom {
                margin-top: auto;
                padding: 20px;
                color: rgba(255, 255, 255, .45);
                font-size: 13px;
                border-top: 1px solid rgba(255, 255, 255, .06);
            }
            body.menu-open {
                overflow: hidden;
            }
            .side-nav {
                display: none;
            }
            .main-content {
                margin-left: 0;
            }
            .cat-banner {
                padding: 48px 0 44px;
            }
            .cat-banner h1 {
                font-size: 30px;
            }
            .cat-banner .lead {
                font-size: 16px;
            }
            .scope-grid {
                grid-template-columns: 1fr;
            }
            .scope-card:nth-child(2) {
                transform: none;
            }
            .scope-card:hover,
            .scope-card:nth-child(2):hover {
                transform: none;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .container {
                padding: 0 20px;
            }
            :root {
                --section-pad: 56px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
            }
            .fixed-bar {
                bottom: 10px;
                left: 10px;
                right: 10px;
                border-radius: 12px;
                padding: 10px 12px;
            }
            .fixed-bar .fb-text {
                font-size: 13px;
                gap: 6px;
                flex: 1;
            }
            .fixed-bar .fb-text i {
                font-size: 14px;
            }
            .fixed-bar .btn {
                min-height: 36px;
                padding: 0 12px;
                font-size: 13px;
            }
            .fixed-bar .fb-close {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }
            .cat-banner .btn-row {
                flex-direction: column;
                align-items: stretch;
            }
            .cat-banner .btn-row .btn {
                justify-content: center;
            }
            .faq-wrap .accordion-title {
                font-size: 15px !important;
                padding: 16px 18px !important;
            }
        }
        @media(max-width:520px) {
            .cat-banner h1 {
                font-size: 26px;
            }
            .scope-card {
                padding: 24px 18px;
            }
            .guide-cta h2 {
                font-size: 26px;
            }
            .btn {
                padding: 0 18px;
                font-size: 14px;
            }
            .cat-banner .banner-meta {
                gap: 14px;
            }
        }