/* roulang page: index */
:root{
--clr-primary:#0f1b2d;
--clr-primary-light:#1a2d4a;
--clr-accent:#d4a843;
--clr-accent-hover:#c49a35;
--clr-accent-light:rgba(212,168,67,0.12);
--clr-bg:#f4f6fa;
--clr-card:#ffffff;
--clr-text:#121926;
--clr-text-light:#4a5568;
--clr-text-muted:#8896a8;
--clr-border:#e2e7f0;
--clr-shadow:rgba(15,27,45,0.07);
--clr-success:#2a9d8f;
--radius-sm:6px;
--radius-md:12px;
--radius-lg:20px;
--radius-xl:28px;
--shadow-sm:0 2px 8px var(--clr-shadow);
--shadow-md:0 6px 24px var(--clr-shadow);
--shadow-lg:0 16px 48px var(--clr-shadow);
--shadow-hover:0 12px 36px rgba(15,27,45,0.13);
--transition:0.25s cubic-bezier(0.4,0,0.2,1);
--sidebar-w:260px;
--font-base:'Segoe UI','Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{
font-family:var(--font-base);
background:var(--clr-bg);
color:var(--clr-text);
line-height:1.7;
-webkit-font-smoothing:antialiased;
overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--clr-primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--clr-accent)}
button,input,textarea,select{font-family:inherit;font-size:inherit}
ul{list-style:none;padding:0;margin:0}
.container-custom{max-width:1240px;margin:0 auto;padding:0 24px}
@media(max-width:768px){.container-custom{padding:0 16px}}
/* 左侧导航 */
.sidebar{
position:fixed;
top:0;left:0;
width:var(--sidebar-w);
height:100vh;
background:var(--clr-primary);
color:#fff;
z-index:1050;
display:flex;
flex-direction:column;
padding:0;
overflow-y:auto;
transition:transform var(--transition);
}
.sidebar-brand{
padding:36px 28px 20px;
border-bottom:1px solid rgba(255,255,255,0.07);
}
.sidebar-brand .logo-text{
font-size:1.6rem;
font-weight:700;
letter-spacing:0.02em;
color:#fff;
display:flex;
align-items:center;
gap:10px;
}
.sidebar-brand .logo-text i{color:var(--clr-accent);font-size:1.5rem}
.sidebar-brand .logo-sub{
font-size:0.75rem;
color:rgba(255,255,255,0.5);
margin-top:2px;
letter-spacing:0.06em;
}
.sidebar-nav{padding:24px 16px;flex:1}
.sidebar-nav .nav-item{display:block;margin-bottom:4px}
.sidebar-nav .nav-link{
display:flex;
align-items:center;
gap:14px;
padding:12px 20px;
border-radius:var(--radius-md);
color:rgba(255,255,255,0.7);
font-size:0.95rem;
font-weight:500;
transition:var(--transition);
position:relative;
}
.sidebar-nav .nav-link i{width:20px;text-align:center;font-size:1.05rem}
.sidebar-nav .nav-link:hover{
background:rgba(255,255,255,0.08);
color:#fff;
transform:translateX(4px);
}
.sidebar-nav .nav-link.active{
background:var(--clr-accent-light);
color:var(--clr-accent);
font-weight:600;
}
.sidebar-nav .nav-link.active::before{
content:'';
position:absolute;
left:0;top:50%;
transform:translateY(-50%);
width:4px;height:24px;
background:var(--clr-accent);
border-radius:0 4px 4px 0;
}
.sidebar-footer{
padding:20px 28px;
border-top:1px solid rgba(255,255,255,0.07);
font-size:0.7rem;
color:rgba(255,255,255,0.35);
text-align:center;
line-height:1.5;
}
.sidebar-footer a{color:rgba(255,255,255,0.5)}
.sidebar-footer a:hover{color:var(--clr-accent)}
/* 主内容区 */
.main-content{margin-left:var(--sidebar-w);min-height:100vh}
/* 移动端导航 */
.mobile-topbar{display:none}
@media(max-width:991.98px){
.sidebar{transform:translateX(-100%)}
.sidebar.open{transform:translateX(0)}
.main-content{margin-left:0}
.mobile-topbar{
display:flex;
align-items:center;
justify-content:space-between;
position:sticky;top:0;z-index:1040;
background:var(--clr-primary);
padding:12px 16px;
color:#fff;
box-shadow:var(--shadow-sm);
}
.mobile-topbar .logo-text-m{
font-size:1.25rem;font-weight:700;
display:flex;align-items:center;gap:8px;
color:#fff;
}
.mobile-topbar .logo-text-m i{color:var(--clr-accent)}
.mobile-topbar .menu-toggle{
background:none;border:none;color:#fff;
font-size:1.5rem;padding:4px 8px;
cursor:pointer;border-radius:var(--radius-sm);
}
.mobile-topbar .menu-toggle:hover{background:rgba(255,255,255,0.1)}
.sidebar-overlay{
position:fixed;top:0;left:0;width:100%;height:100%;
background:rgba(0,0,0,0.5);z-index:1045;
display:none;
}
.sidebar-overlay.show{display:block}
}
/* 板块通用 */
.section{padding:80px 0}
@media(max-width:768px){.section{padding:48px 0}}
.section-label{
display:inline-block;
font-size:0.8rem;
font-weight:600;
letter-spacing:0.08em;
color:var(--clr-accent);
text-transform:uppercase;
margin-bottom:8px;
}
.section-title{
font-size:2rem;
font-weight:700;
line-height:1.3;
color:var(--clr-text);
margin-bottom:16px;
}
@media(max-width:768px){.section-title{font-size:1.5rem}}
.section-desc{
font-size:1.05rem;
color:var(--clr-text-light);
max-width:680px;
line-height:1.8;
}
/* Hero */
.hero{
position:relative;
padding:120px 0 100px;
background:linear-gradient(135deg,var(--clr-primary) 0%,var(--clr-primary-light) 70%,#1f3a5c 100%);
overflow:hidden;
min-height:70vh;
display:flex;
align-items:center;
}
.hero::before{
content:'';
position:absolute;
inset:0;
background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
opacity:0.15;
mix-blend-mode:overlay;
}
.hero::after{
content:'';
position:absolute;
bottom:0;left:0;right:0;
height:120px;
background:linear-gradient(to top,var(--clr-bg),transparent);
}
.hero .container-custom{position:relative;z-index:2}
.hero-content{max-width:800px}
.hero-badge{
display:inline-flex;
align-items:center;
gap:8px;
background:rgba(212,168,67,0.15);
color:var(--clr-accent);
padding:8px 20px;
border-radius:30px;
font-size:0.85rem;
font-weight:600;
letter-spacing:0.04em;
margin-bottom:20px;
border:1px solid rgba(212,168,67,0.25);
}
.hero h1{
font-size:3.2rem;
font-weight:800;
line-height:1.2;
color:#fff;
margin-bottom:20px;
letter-spacing:-0.01em;
}
.hero h1 span{color:var(--clr-accent)}
.hero p{
font-size:1.15rem;
color:rgba(255,255,255,0.75);
max-width:620px;
line-height:1.8;
margin-bottom:32px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-actions .btn{
padding:14px 36px;
border-radius:50px;
font-weight:600;
font-size:1rem;
transition:var(--transition);
display:inline-flex;align-items:center;gap:10px;
}
.hero-actions .btn-primary{
background:var(--clr-accent);
border:none;
color:var(--clr-primary);
}
.hero-actions .btn-primary:hover{
background:var(--clr-accent-hover);
transform:translateY(-3px);
box-shadow:0 12px 32px rgba(212,168,67,0.35);
}
.hero-actions .btn-outline{
background:transparent;
border:2px solid rgba(255,255,255,0.25);
color:#fff;
}
.hero-actions .btn-outline:hover{
background:rgba(255,255,255,0.1);
border-color:rgba(255,255,255,0.5);
transform:translateY(-3px);
}
.hero-stats{
display:flex;gap:48px;margin-top:48px;
padding-top:36px;
border-top:1px solid rgba(255,255,255,0.1);
}
.hero-stats .stat-item{text-align:center}
.hero-stats .stat-num{
font-size:1.8rem;font-weight:800;color:#fff;
line-height:1.2;
}
.hero-stats .stat-num span{color:var(--clr-accent)}
.hero-stats .stat-label{
font-size:0.8rem;color:rgba(255,255,255,0.55);
margin-top:4px;letter-spacing:0.04em;
}
@media(max-width:768px){
.hero{padding:80px 0 60px;min-height:auto}
.hero h1{font-size:2rem}
.hero p{font-size:1rem}
.hero-stats{gap:24px;flex-wrap:wrap}
.hero-stats .stat-num{font-size:1.4rem}
}
/* 核心优势 */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
@media(max-width:991px){.features-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.features-grid{grid-template-columns:1fr}}
.feature-card{
background:var(--clr-card);
border-radius:var(--radius-lg);
padding:32px 24px;
text-align:center;
box-shadow:var(--shadow-sm);
border:1px solid var(--clr-border);
transition:var(--transition);
}
.feature-card:hover{
transform:translateY(-6px);
box-shadow:var(--shadow-hover);
border-color:transparent;
}
.feature-icon{
width:64px;height:64px;
margin:0 auto 18px;
border-radius:16px;
background:var(--clr-accent-light);
color:var(--clr-accent);
display:flex;align-items:center;justify-content:center;
font-size:1.6rem;
transition:var(--transition);
}
.feature-card:hover .feature-icon{
background:var(--clr-accent);
color:#fff;
transform:scale(1.05);
}
.feature-card h3{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.feature-card p{font-size:0.9rem;color:var(--clr-text-light);line-height:1.7}
/* 分类入口 */
.category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:40px}
@media(max-width:768px){.category-grid{grid-template-columns:1fr}}
.category-card{
position:relative;
border-radius:var(--radius-lg);
overflow:hidden;
background:var(--clr-card);
box-shadow:var(--shadow-sm);
border:1px solid var(--clr-border);
transition:var(--transition);
display:flex;flex-direction:column;
}
.category-card:hover{
transform:translateY(-6px);
box-shadow:var(--shadow-hover);
border-color:transparent;
}
.category-card .cat-img{
height:200px;
background:var(--clr-primary-light);
position:relative;
overflow:hidden;
}
.category-card .cat-img img{
width:100%;height:100%;object-fit:cover;
transition:transform 0.6s ease;
}
.category-card:hover .cat-img img{transform:scale(1.06)}
.category-card .cat-img .cat-overlay{
position:absolute;inset:0;
background:linear-gradient(to top,rgba(15,27,45,0.7),transparent 50%);
}
.category-card .cat-body{padding:24px 28px 28px;flex:1}
.category-card .cat-body h3{font-size:1.25rem;font-weight:700;margin-bottom:6px}
.category-card .cat-body .cat-meta{
font-size:0.85rem;color:var(--clr-text-muted);margin-bottom:10px;
display:flex;align-items:center;gap:8px;
}
.category-card .cat-body p{font-size:0.95rem;color:var(--clr-text-light);line-height:1.7;margin-bottom:16px}
.category-card .cat-body .btn-cat{
display:inline-flex;align-items:center;gap:8px;
font-weight:600;font-size:0.9rem;
color:var(--clr-accent);
transition:var(--transition);
}
.category-card .cat-body .btn-cat:hover{gap:14px;color:var(--clr-accent-hover)}
/* 最新资讯 */
.post-list{margin-top:40px;display:flex;flex-direction:column;gap:16px}
.post-item{
display:flex;
align-items:flex-start;
gap:20px;
background:var(--clr-card);
border-radius:var(--radius-md);
padding:20px 24px;
box-shadow:var(--shadow-sm);
border:1px solid var(--clr-border);
transition:var(--transition);
}
.post-item:hover{
box-shadow:var(--shadow-hover);
transform:translateX(4px);
border-color:transparent;
}
.post-item .post-num{
flex-shrink:0;
width:40px;height:40px;
border-radius:10px;
background:var(--clr-accent-light);
color:var(--clr-accent);
display:flex;align-items:center;justify-content:center;
font-weight:700;font-size:1rem;
}
.post-item .post-body{flex:1;min-width:0}
.post-item .post-body .post-title{
font-size:1.05rem;font-weight:600;
color:var(--clr-text);
margin-bottom:4px;
display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.post-item .post-body .post-title:hover{color:var(--clr-accent)}
.post-item .post-body .post-excerpt{
font-size:0.9rem;color:var(--clr-text-light);
display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.post-item .post-meta{
flex-shrink:0;
text-align:right;
min-width:140px;
}
.post-item .post-meta .post-cat{
display:inline-block;
font-size:0.72rem;
font-weight:600;
color:var(--clr-accent);
background:var(--clr-accent-light);
padding:3px 12px;
border-radius:20px;
margin-bottom:4px;
}
.post-item .post-meta .post-date{
display:block;
font-size:0.78rem;
color:var(--clr-text-muted);
}
.post-empty{
text-align:center;
padding:48px 20px;
background:var(--clr-card);
border-radius:var(--radius-lg);
border:1px dashed var(--clr-border);
color:var(--clr-text-muted);
font-size:1rem;
}
@media(max-width:768px){
.post-item{flex-direction:column;gap:12px;padding:16px}
.post-item .post-meta{text-align:left;min-width:auto}
}
/* 服务流程 */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px;position:relative}
@media(max-width:991px){.process-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media(max-width:520px){.process-grid{grid-template-columns:1fr}}
.process-step{
text-align:center;
position:relative;
padding:32px 16px;
background:var(--clr-card);
border-radius:var(--radius-lg);
box-shadow:var(--shadow-sm);
border:1px solid var(--clr-border);
transition:var(--transition);
}
.process-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.process-step .step-num{
width:48px;height:48px;
margin:0 auto 16px;
border-radius:50%;
background:var(--clr-primary);
color:#fff;
display:flex;align-items:center;justify-content:center;
font-weight:700;font-size:1.2rem;
position:relative;
z-index:1;
}
.process-step .step-num::after{
content:'';position:absolute;inset:-4px;
border-radius:50%;
border:2px dashed var(--clr-accent);
opacity:0.3;
}
.process-step h4{font-size:1.05rem;font-weight:700;margin-bottom:6px}
.process-step p{font-size:0.88rem;color:var(--clr-text-light);line-height:1.6}
/* FAQ */
.faq-list{margin-top:36px;max-width:860px}
.faq-item{
background:var(--clr-card);
border-radius:var(--radius-md);
margin-bottom:12px;
box-shadow:var(--shadow-sm);
border:1px solid var(--clr-border);
overflow:hidden;
transition:var(--transition);
}
.faq-item:hover{box-shadow:var(--shadow-md)}
.faq-question{
padding:18px 24px;
display:flex;align-items:center;justify-content:space-between;
cursor:pointer;
font-weight:600;font-size:1rem;
color:var(--clr-text);
transition:var(--transition);
user-select:none;
}
.faq-question:hover{color:var(--clr-accent)}
.faq-question i{font-size:0.85rem;color:var(--clr-text-muted);transition:var(--transition)}
.faq-item.active .faq-question i{transform:rotate(180deg);color:var(--clr-accent)}
.faq-answer{
padding:0 24px 0;
max-height:0;
overflow:hidden;
transition:max-height 0.35s ease,padding 0.35s ease;
}
.faq-item.active .faq-answer{
padding:0 24px 18px;
max-height:300px;
}
.faq-answer p{font-size:0.95rem;color:var(--clr-text-light);line-height:1.8}
/* CTA */
.cta-section{
background:linear-gradient(135deg,var(--clr-primary) 0%,var(--clr-primary-light) 100%);
position:relative;
overflow:hidden;
padding:80px 0;
}
.cta-section::before{
content:'';
position:absolute;inset:0;
background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
opacity:0.08;
mix-blend-mode:overlay;
}
.cta-section .container-custom{position:relative;z-index:1;text-align:center}
.cta-section h2{font-size:2rem;font-weight:700;color:#fff;margin-bottom:12px}
.cta-section p{font-size:1.05rem;color:rgba(255,255,255,0.7);max-width:560px;margin:0 auto 28px;line-height:1.8}
.cta-section .btn-cta{
display:inline-flex;align-items:center;gap:12px;
padding:16px 44px;
border-radius:50px;
font-weight:700;font-size:1.05rem;
background:var(--clr-accent);
color:var(--clr-primary);
border:none;
transition:var(--transition);
}
.cta-section .btn-cta:hover{
background:var(--clr-accent-hover);
transform:translateY(-3px);
box-shadow:0 16px 40px rgba(212,168,67,0.35);
}
/* 页脚 */
.site-footer{
background:var(--clr-primary);
color:rgba(255,255,255,0.6);
padding:56px 0 32px;
}
.site-footer .footer-grid{
display:grid;grid-template-columns:2fr 1fr 1fr 1fr;
gap:40px;margin-bottom:40px;
}
@media(max-width:991px){.site-footer .footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:520px){.site-footer .footer-grid{grid-template-columns:1fr;gap:24px}}
.site-footer .footer-brand .logo-text-f{
font-size:1.3rem;font-weight:700;color:#fff;
display:flex;align-items:center;gap:8px;margin-bottom:10px;
}
.site-footer .footer-brand .logo-text-f i{color:var(--clr-accent)}
.site-footer .footer-brand p{font-size:0.9rem;line-height:1.8;max-width:320px}
.site-footer h5{font-size:0.95rem;font-weight:600;color:#fff;margin-bottom:16px}
.site-footer .footer-links li{margin-bottom:8px}
.site-footer .footer-links a{
font-size:0.88rem;color:rgba(255,255,255,0.55);
transition:var(--transition);
}
.site-footer .footer-links a:hover{color:var(--clr-accent);padding-left:4px}
.site-footer .footer-bottom{
border-top:1px solid rgba(255,255,255,0.07);
padding-top:20px;
margin-top:20px;
display:flex;justify-content:space-between;align-items:center;
flex-wrap:wrap;gap:12px;
font-size:0.8rem;
}
.site-footer .footer-bottom a{color:rgba(255,255,255,0.5)}
.site-footer .footer-bottom a:hover{color:var(--clr-accent)}
@media(max-width:520px){.site-footer .footer-bottom{flex-direction:column;text-align:center}}
/* 通用 */
.bg-accent-light{background:var(--clr-accent-light)}
.text-accent{color:var(--clr-accent)}
/* 按钮通用 */
.btn-solid{
display:inline-flex;align-items:center;gap:8px;
padding:12px 32px;border-radius:50px;
font-weight:600;font-size:0.95rem;
background:var(--clr-accent);color:var(--clr-primary);
border:none;transition:var(--transition);
}
.btn-solid:hover{background:var(--clr-accent-hover);transform:translateY(-2px);box-shadow:0 8px 24px rgba(212,168,67,0.3);color:var(--clr-primary)}
.btn-outline-accent{
display:inline-flex;align-items:center;gap:8px;
padding:12px 32px;border-radius:50px;
font-weight:600;font-size:0.95rem;
background:transparent;color:var(--clr-accent);
border:2px solid var(--clr-accent);transition:var(--transition);
}
.btn-outline-accent:hover{background:var(--clr-accent);color:var(--clr-primary);transform:translateY(-2px)}
/* 滚动条 */
.sidebar::-webkit-scrollbar{width:4px}
.sidebar::-webkit-scrollbar-track{background:transparent}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.15);border-radius:4px}
/* 动画 */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.animate-fade-up{animation:fadeUp 0.6s ease forwards}
/* 背景图区 */
.bg-section-alt{background:var(--clr-bg)}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0a2540;
            --primary-light: #1a3a5c;
            --primary-dark: #051625;
            --accent: #d4a843;
            --accent-light: #e8c76a;
            --accent-dark: #b8922e;
            --bg-body: #f8f7f4;
            --bg-card: #ffffff;
            --bg-section-alt: #f0ede8;
            --bg-dark: #0a2540;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-light: #8a8a9a;
            --text-white: #f5f0eb;
            --border-color: #e0dcd6;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(10, 37, 64, 0.06);
            --shadow-md: 0 6px 24px rgba(10, 37, 64, 0.08);
            --shadow-lg: 0 16px 48px rgba(10, 37, 64, 0.12);
            --shadow-accent: 0 8px 32px rgba(212, 168, 67, 0.25);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --sidebar-width: 240px;
            --header-height: 0px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            padding-left: var(--sidebar-width);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 0.5em;
        }

        /* ===== 容器 ===== */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .container-narrow {
            max-width: 880px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 左侧竖向导航 ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--primary);
            color: var(--text-white);
            display: flex;
            flex-direction: column;
            z-index: 1050;
            box-shadow: 2px 0 24px rgba(10, 37, 64, 0.2);
            transition: transform 0.35s ease, box-shadow 0.35s ease;
        }

        .sidebar-brand {
            padding: 28px 20px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .sidebar-brand .logo-icon {
            font-size: 28px;
            color: var(--accent);
            flex-shrink: 0;
        }

        .sidebar-brand .logo-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--text-white);
            line-height: 1.2;
        }
        .sidebar-brand .logo-text span {
            color: var(--accent);
        }

        .sidebar-nav {
            flex: 1;
            padding: 20px 12px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            text-decoration: none;
        }
        .sidebar-nav .nav-link i {
            font-size: 18px;
            width: 22px;
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .sidebar-nav .nav-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-white);
        }
        .sidebar-nav .nav-link:hover i {
            color: var(--accent-light);
        }
        .sidebar-nav .nav-link.active {
            background: rgba(212, 168, 67, 0.18);
            color: var(--accent-light);
            font-weight: 600;
        }
        .sidebar-nav .nav-link.active i {
            color: var(--accent);
        }

        .sidebar-footer {
            padding: 16px 20px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }
        .sidebar-footer a {
            color: rgba(255, 255, 255, 0.5);
        }
        .sidebar-footer a:hover {
            color: var(--accent-light);
        }

        /* 移动端菜单切换 */
        .sidebar-toggle {
            display: none;
            position: fixed;
            top: 12px;
            left: 12px;
            z-index: 1060;
            background: var(--primary);
            color: var(--text-white);
            border: none;
            border-radius: var(--radius-sm);
            width: 44px;
            height: 44px;
            font-size: 20px;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }
        .sidebar-toggle:hover {
            background: var(--primary-light);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.45);
            z-index: 1045;
            backdrop-filter: blur(4px);
        }

        /* ===== 主内容区 ===== */
        .main-content {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== Hero / 横幅 ===== */
        .hero-banner {
            position: relative;
            padding: 80px 0 72px;
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
            background-blend-mode: overlay;
            min-height: 320px;
            display: flex;
            align-items: center;
            isolation: isolate;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 37, 64, 0.88) 0%, rgba(10, 37, 64, 0.6) 100%);
            z-index: 0;
        }
        .hero-banner>* {
            position: relative;
            z-index: 1;
        }
        .hero-banner .hero-title {
            font-size: 48px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.15;
        }
        .hero-banner .hero-title .highlight {
            color: var(--accent);
        }
        .hero-banner .hero-sub {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            line-height: 1.6;
            margin-bottom: 28px;
        }
        .hero-banner .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 32px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
        }
        .hero-banner .hero-meta i {
            color: var(--accent);
            margin-right: 6px;
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 64px 0;
        }
        .section-block-alt {
            background: var(--bg-section-alt);
        }
        .section-block-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.6;
        }
        .section-title-light {
            color: var(--text-white);
        }
        .section-subtitle-light {
            color: rgba(255, 255, 255, 0.7);
        }

        .title-divider {
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 16px 0 24px;
        }
        .title-divider.center {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 卡片 ===== */
        .card-modern {
            background: var(--bg-card);
            border: none;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-modern:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .card-modern .card-img-top {
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            height: 200px;
            object-fit: cover;
            width: 100%;
        }
        .card-modern .card-body {
            padding: 24px 20px 20px;
        }
        .card-modern .card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .card-modern .card-title a {
            color: var(--text-primary);
        }
        .card-modern .card-title a:hover {
            color: var(--accent-dark);
        }
        .card-modern .card-text {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .card-modern .card-meta {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .card-modern .card-meta i {
            color: var(--accent);
            margin-right: 4px;
        }
        .card-modern .card-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(212, 168, 67, 0.12);
            color: var(--accent-dark);
            margin-bottom: 10px;
        }

        /* ===== 特色内容卡片（大图+文字） ===== */
        .feature-card {
            display: flex;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .feature-card .feature-img {
            width: 240px;
            min-height: 220px;
            object-fit: cover;
            flex-shrink: 0;
            border-radius: 0;
        }
        .feature-card .feature-body {
            padding: 28px 28px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .feature-card .feature-body .feature-label {
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--accent-dark);
            margin-bottom: 6px;
        }
        .feature-card .feature-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card .feature-body p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .feature-card .feature-body .feature-link {
            font-weight: 600;
            color: var(--primary);
            font-size: 14px;
        }
        .feature-card .feature-body .feature-link i {
            transition: var(--transition);
            margin-left: 4px;
        }
        .feature-card .feature-body .feature-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 统计数字块 ===== */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            padding: 28px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-2px);
        }
        .stat-item .stat-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .stat-item .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
        }
        .stat-item .stat-icon {
            font-size: 28px;
            color: rgba(212, 168, 67, 0.3);
            margin-bottom: 12px;
        }

        /* ===== 标签 / 徽章 ===== */
        .badge-custom {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            background: rgba(212, 168, 67, 0.12);
            color: var(--accent-dark);
            border: 1px solid rgba(212, 168, 67, 0.2);
        }
        .badge-custom-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: rgba(255, 255, 255, 0.8);
        }

        /* ===== 按钮 ===== */
        .btn-accent {
            background: var(--accent);
            border: none;
            color: var(--primary-dark) !important;
            font-weight: 700;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: var(--shadow-accent);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(212, 168, 67, 0.35);
        }
        .btn-accent:active {
            transform: translateY(0);
        }

        .btn-outline-light-custom {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.35);
            color: var(--text-white);
            font-weight: 600;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: var(--accent);
            color: var(--accent-light);
        }

        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 18px 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            font-weight: 600;
            font-size: 17px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            color: var(--text-primary);
            transition: var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            padding: 4px 0;
        }
        .faq-question:hover {
            color: var(--accent-dark);
        }
        .faq-question i {
            color: var(--accent);
            font-size: 18px;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 8px 0 4px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
            max-width: 800px;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
            isolation: isolate;
            padding: 72px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 37, 64, 0.92) 0%, rgba(10, 37, 64, 0.7) 100%);
            z-index: 0;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin: 0 auto 28px;
        }

        /* ===== 分页 ===== */
        .pagination-custom {
            display: flex;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 40px;
        }
        .pagination-custom .page-item {
            list-style: none;
        }
        .pagination-custom .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 14px;
            background: var(--bg-card);
            transition: var(--transition);
            text-decoration: none;
        }
        .pagination-custom .page-link:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            background: rgba(212, 168, 67, 0.06);
        }
        .pagination-custom .page-item.active .page-link {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            box-shadow: var(--shadow-accent);
        }

        /* ===== 页脚 (复用共享片段) ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 52px 0 28px;
            margin-top: auto;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .site-footer .logo-text-f {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-footer .logo-text-f i {
            color: var(--accent);
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }
        .site-footer h5 {
            color: var(--text-white);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-links li {
            margin-bottom: 8px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }
        .footer-bottom i {
            color: var(--accent);
            margin-right: 4px;
        }

        /* ===== 响应式：平板 ===== */
        @media (max-width: 1024px) {
            body {
                padding-left: 0;
            }
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
                box-shadow: none;
            }
            .sidebar.open {
                transform: translateX(0);
                box-shadow: 4px 0 40px rgba(0, 0, 0, 0.3);
            }
            .sidebar-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .sidebar-overlay.active {
                display: block;
            }
            .hero-banner {
                padding: 60px 0 52px;
                min-height: 260px;
            }
            .hero-banner .hero-title {
                font-size: 36px;
            }
            .hero-banner .hero-sub {
                font-size: 17px;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .feature-card {
                flex-direction: column;
            }
            .feature-card .feature-img {
                width: 100%;
                height: 200px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .section-title {
                font-size: 28px;
            }
        }

        /* ===== 响应式：手机 ===== */
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .hero-banner {
                padding: 48px 0 40px;
                min-height: 200px;
            }
            .hero-banner .hero-title {
                font-size: 28px;
            }
            .hero-banner .hero-sub {
                font-size: 15px;
                margin-bottom: 20px;
            }
            .hero-banner .hero-meta {
                font-size: 12px;
                gap: 8px 16px;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 15px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-item .stat-number {
                font-size: 30px;
            }
            .stat-item .stat-label {
                font-size: 13px;
            }
            .card-modern .card-img-top {
                height: 160px;
            }
            .feature-card .feature-img {
                height: 160px;
            }
            .feature-card .feature-body {
                padding: 20px 18px;
            }
            .feature-card .feature-body h3 {
                font-size: 17px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section p {
                font-size: 15px;
            }
            .btn-accent,
            .btn-outline-light-custom {
                padding: 10px 24px;
                font-size: 14px;
            }
            .pagination-custom .page-link {
                width: 36px;
                height: 36px;
                font-size: 13px;
            }
            .sidebar {
                width: 260px;
            }
            .sidebar-brand {
                padding: 20px 16px 16px;
            }
            .sidebar-brand .logo-text {
                font-size: 18px;
            }
            .sidebar-nav .nav-link {
                padding: 10px 14px;
                font-size: 14px;
            }
        }

        /* ===== 动画辅助 ===== */
        .fade-in-up {
            opacity: 0;
            transform: translateY(24px);
            animation: fadeInUp 0.6s ease forwards;
        }
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: article */
:root {
    --primary: #0a4b7a;
    --primary-dark: #063457;
    --primary-light: #1a7fc4;
    --secondary: #f0c040;
    --secondary-light: #f5d870;
    --accent: #e85d3a;
    --bg-light: #f6f9fc;
    --bg-dark: #0a1a2b;
    --bg-card: #ffffff;
    --text-dark: #1a2a3a;
    --text-body: #3a4a5a;
    --text-muted: #7a8a9a;
    --text-light: #f0f4f8;
    --border: #dfe5ec;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 4px 20px rgba(10, 75, 122, 0.08);
    --shadow-hover: 0 12px 40px rgba(10, 75, 122, 0.16);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --sidebar-width: 240px;
    --header-height: 64px;
    --font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-family);
    color: var(--text-body);
    background: var(--bg-light);
    line-height: 1.7;
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
.container-custom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}
/* ===== 左侧竖向导航 ===== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-dark);
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    z-index: 1050;
    transition: transform var(--transition);
    overflow-y: auto;
    border-right: 1px solid rgba(255,255,255,0.05);
}
.sidebar-brand {
    padding: 24px 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    gap: 12px;
}
.logo-text {
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-text i { color: var(--secondary); font-size: 1.6rem; }
.sidebar-nav {
    padding: 16px 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    background: transparent;
}
.nav-link i { width: 20px; text-align: center; font-size: 1.1rem; color: rgba(255,255,255,0.4); transition: var(--transition); }
.nav-link:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-link:hover i { color: var(--secondary); }
.nav-link.active { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(10,75,122,0.4); }
.nav-link.active i { color: var(--secondary); }
.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.06);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.3);
    text-align: center;
}
/* ===== 主内容区 ===== */
.main-wrapper {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.main-content {
    flex: 1;
    padding: 40px 0 60px;
}
/* ===== 文章头部 ===== */
.article-header {
    background: var(--bg-dark);
    padding: 48px 0 40px;
    position: relative;
    overflow: hidden;
}
.article-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    opacity: 0.15;
    z-index: 0;
}
.article-header .container-custom { position: relative; z-index: 1; }
.breadcrumb-custom {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    margin-bottom: 20px;
}
.breadcrumb-custom a { color: rgba(255,255,255,0.6); }
.breadcrumb-custom a:hover { color: var(--secondary); }
.breadcrumb-custom span { color: rgba(255,255,255,0.8); }
.article-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}
.article-meta i { margin-right: 6px; }
.article-meta .badge-cat {
    background: var(--secondary);
    color: var(--text-dark);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
}
/* ===== 文章正文 ===== */
.article-body {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 48px;
    margin-top: -20px;
    position: relative;
    z-index: 2;
}
.article-body .content {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-body);
}
.article-body .content p { margin-bottom: 1.4em; }
.article-body .content h2, .article-body .content h3 { color: var(--text-dark); margin-top: 1.8em; margin-bottom: 0.8em; font-weight: 700; }
.article-body .content h2 { font-size: 1.6rem; }
.article-body .content h3 { font-size: 1.3rem; }
.article-body .content img { border-radius: var(--radius-sm); margin: 1.5em 0; box-shadow: var(--shadow); }
.article-body .content blockquote {
    border-left: 4px solid var(--primary);
    background: var(--bg-light);
    padding: 16px 24px;
    margin: 1.5em 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-muted);
    font-style: italic;
}
.article-body .content ul, .article-body .content ol { margin-bottom: 1.4em; padding-left: 1.6em; }
.article-body .content li { margin-bottom: 0.5em; }
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.tag-item {
    background: var(--bg-light);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid transparent;
}
.tag-item:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
/* ===== 文章不存在 ===== */
.not-found-box {
    text-align: center;
    padding: 80px 20px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.not-found-box i { font-size: 4rem; color: var(--text-muted); margin-bottom: 20px; }
.not-found-box h3 { font-size: 1.6rem; color: var(--text-dark); margin-bottom: 12px; }
.not-found-box p { color: var(--text-muted); margin-bottom: 24px; }
/* ===== 相关推荐 ===== */
.related-section {
    padding: 60px 0 0;
}
.section-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.section-title i { color: var(--primary); }
.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.related-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-card .card-img {
    height: 160px;
    background: var(--bg-light);
    overflow: hidden;
}
.related-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.related-card:hover .card-img img { transform: scale(1.05); }
.related-card .card-body { padding: 18px 20px 20px; }
.related-card .card-body h5 { font-size: 1rem; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card .card-body p { font-size: 0.85rem; color: var(--text-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 0; }
.related-card .card-footer { padding: 12px 20px; border-top: 1px solid var(--border); font-size: 0.8rem; color: var(--text-muted); display: flex; justify-content: space-between; align-items: center; background: var(--bg-light); }
/* ===== CTA区域 ===== */
.cta-section {
    background: var(--bg-dark);
    border-radius: var(--radius);
    padding: 48px 40px;
    margin-top: 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    opacity: 0.08;
}
.cta-section .container-custom { position: relative; z-index: 1; }
.cta-section h3 { color: #fff; font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; }
.cta-section p { color: rgba(255,255,255,0.7); font-size: 1.05rem; margin-bottom: 28px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary-custom {
    background: var(--secondary);
    color: var(--text-dark);
    border: none;
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}
.btn-primary-custom:hover { background: var(--secondary-light); color: var(--text-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(240,192,64,0.3); }
.btn-outline-custom {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.3);
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}
.btn-outline-custom:hover { border-color: var(--secondary); color: var(--secondary); transform: translateY(-2px); }
/* ===== 页脚 ===== */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.7);
    padding: 48px 0 0;
    margin-top: auto;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand .logo-text-f { font-size: 1.25rem; font-weight: 700; color: #fff; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.footer-brand .logo-text-f i { color: var(--secondary); }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.5); max-width: 320px; }
.footer-col h5 { color: #fff; font-size: 0.95rem; font-weight: 600; margin-bottom: 18px; letter-spacing: 0.5px; }
.footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-links li a { color: rgba(255,255,255,0.5); font-size: 0.9rem; transition: var(--transition); }
.footer-links li a:hover { color: var(--secondary); padding-left: 4px; }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--secondary); }
/* ===== Mobile Toggle ===== */
.mobile-toggle {
    display: none;
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 1060;
    background: var(--primary);
    color: #fff;
    border: none;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    align-items: center;
    justify-content: center;
}
.overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1045;
}
/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-wrapper { margin-left: 0; }
    .mobile-toggle { display: flex; }
    .overlay.show { display: block; }
    .article-title { font-size: 1.6rem; }
    .article-body { padding: 24px 20px; margin-top: -12px; }
    .article-header { padding: 32px 0 28px; }
    .section-title { font-size: 1.3rem; }
    .cta-section { padding: 36px 20px; }
    .cta-section h3 { font-size: 1.4rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .related-grid { grid-template-columns: 1fr; }
    .breadcrumb-custom { font-size: 0.8rem; }
}
@media (max-width: 520px) {
    .container-custom { padding: 0 16px; }
    .article-title { font-size: 1.3rem; }
    .article-body { padding: 16px; }
    .article-meta { gap: 12px; font-size: 0.8rem; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .btn-primary-custom, .btn-outline-custom { width: 100%; justify-content: center; }
    .related-card .card-img { height: 140px; }
}

/* roulang page: category2 */
/* ===== :root 设计变量 ===== */
        :root {
            --clr-primary: #1a3a5c;
            --clr-primary-light: #2a5a8c;
            --clr-primary-dark: #0f2438;
            --clr-accent: #c9a84c;
            --clr-accent-light: #e0c878;
            --clr-accent-dark: #a88a30;
            --clr-bg: #f8f7f4;
            --clr-bg-alt: #f0ede8;
            --clr-bg-card: #ffffff;
            --clr-text: #1e2a3a;
            --clr-text-light: #5a6a7a;
            --clr-text-muted: #8a9aaa;
            --clr-border: #e2ddd6;
            --clr-border-light: #f0ece6;
            --clr-white: #ffffff;
            --clr-shadow: rgba(26, 58, 92, 0.08);
            --clr-shadow-hover: rgba(26, 58, 92, 0.16);
            --clr-success: #2d8f6f;
            --clr-info: #4a7a9c;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px var(--clr-shadow);
            --shadow-md: 0 6px 24px var(--clr-shadow);
            --shadow-lg: 0 12px 40px var(--clr-shadow-hover);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 240px;
            --header-h: 72px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-pad: 32px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--clr-text);
            background: var(--clr-bg);
        }
        a {
            color: var(--clr-primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--clr-accent-dark);
        }
        a:focus-visible {
            outline: 3px solid var(--clr-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--clr-primary);
        }

        /* ===== Container ===== */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        /* ===== 左侧竖向导航布局 ===== */
        .app-layout {
            display: flex;
            min-height: 100vh;
        }
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--clr-white);
            border-right: 1px solid var(--clr-border);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.04);
        }
        .sidebar-brand {
            padding: 24px 20px 16px;
            border-bottom: 1px solid var(--clr-border-light);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--clr-primary);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-text i {
            color: var(--clr-accent);
            font-size: 22px;
        }
        .logo-text span {
            color: var(--clr-accent);
        }
        .sidebar-nav {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--clr-text-light);
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
            position: relative;
        }
        .sidebar-nav .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--clr-text-muted);
            transition: var(--transition);
        }
        .sidebar-nav .nav-link:hover {
            background: var(--clr-bg-alt);
            color: var(--clr-primary);
        }
        .sidebar-nav .nav-link:hover i {
            color: var(--clr-primary-light);
        }
        .sidebar-nav .nav-link.active {
            background: var(--clr-primary);
            color: var(--clr-white);
            box-shadow: 0 4px 12px rgba(26, 58, 92, 0.2);
        }
        .sidebar-nav .nav-link.active i {
            color: var(--clr-white);
        }
        .sidebar-nav .nav-link.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background: var(--clr-accent);
            border-radius: 0 4px 4px 0;
        }
        .sidebar-footer {
            padding: 16px 20px 20px;
            border-top: 1px solid var(--clr-border-light);
            font-size: 12px;
            color: var(--clr-text-muted);
            text-align: center;
        }
        .sidebar-footer a {
            color: var(--clr-text-muted);
        }
        .sidebar-footer a:hover {
            color: var(--clr-primary);
        }

        /* ===== 主内容区 ===== */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
        }

        /* ===== 移动端顶部导航 ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: var(--clr-white);
            border-bottom: 1px solid var(--clr-border);
            z-index: 1035;
            padding: 0 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .mobile-header .logo-text {
            font-size: 18px;
        }
        .mobile-toggle {
            background: none;
            border: none;
            font-size: 24px;
            color: var(--clr-primary);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--clr-bg-alt);
        }
        .mobile-toggle:focus-visible {
            outline: 3px solid var(--clr-accent);
            outline-offset: 2px;
        }

        /* ===== 遮罩 ===== */
        .sidebar-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 1038;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.35s ease;
        }
        .sidebar-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* ===== Hero / Banner ===== */
        .page-banner {
            position: relative;
            padding: 80px 0 72px;
            background: linear-gradient(135deg, var(--clr-primary-dark) 0%, var(--clr-primary) 60%, var(--clr-primary-light) 100%);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--clr-bg);
            clip-path: ellipse(70% 100% at 50% 100%);
        }
        .page-banner .container-custom {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner .breadcrumb-custom {
            display: flex;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .page-banner .breadcrumb-custom a {
            color: var(--clr-accent-light);
        }
        .page-banner .breadcrumb-custom a:hover {
            color: var(--clr-white);
        }
        .page-banner .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.4);
        }
        .page-banner h1 {
            font-size: 42px;
            font-weight: 800;
            color: var(--clr-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }
        .page-banner p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 720px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: var(--clr-accent);
            color: var(--clr-primary-dark);
            padding: 4px 18px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-block.bg-alt {
            background: var(--clr-bg-alt);
        }
        .section-block.bg-white {
            background: var(--clr-white);
        }
        .section-label {
            display: inline-block;
            background: var(--clr-accent);
            color: var(--clr-primary-dark);
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            color: var(--clr-primary);
        }
        .section-sub {
            font-size: 17px;
            color: var(--clr-text-light);
            max-width: 680px;
            margin-bottom: 40px;
            line-height: 1.6;
        }
        .section-title-center {
            text-align: center;
        }
        .section-sub-center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 卡片 ===== */
        .card-custom {
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--clr-border);
        }
        .card-custom .card-img-top {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 1px solid var(--clr-border-light);
        }
        .card-custom .card-body {
            padding: 24px 20px 20px;
        }
        .card-custom .card-body .tag {
            display: inline-block;
            background: var(--clr-bg-alt);
            color: var(--clr-primary-light);
            font-size: 12px;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
        }
        .card-custom .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--clr-primary);
        }
        .card-custom .card-body p {
            font-size: 14px;
            color: var(--clr-text-light);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .card-custom .card-footer {
            padding: 12px 20px 16px;
            border-top: 1px solid var(--clr-border-light);
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .card-custom .card-footer .btn-sm-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--clr-primary-light);
        }
        .card-custom .card-footer .btn-sm-link i {
            transition: var(--transition);
            margin-left: 4px;
        }
        .card-custom .card-footer .btn-sm-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 服务特色卡片（大图标） ===== */
        .service-card {
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
            padding: 32px 24px 28px;
            text-align: center;
            transition: var(--transition);
            height: 100%;
        }
        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
            border-color: var(--clr-border);
        }
        .service-card .icon-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--clr-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 26px;
            color: var(--clr-primary);
            transition: var(--transition);
        }
        .service-card:hover .icon-circle {
            background: var(--clr-primary);
            color: var(--clr-white);
            box-shadow: 0 6px 20px rgba(26, 58, 92, 0.2);
        }
        .service-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--clr-primary);
        }
        .service-card p {
            font-size: 14px;
            color: var(--clr-text-light);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .service-card .badge-feature {
            display: inline-block;
            background: var(--clr-accent);
            color: var(--clr-primary-dark);
            font-size: 11px;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 20px;
            margin-top: 4px;
        }

        /* ===== 流程步骤 ===== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .step-item {
            text-align: center;
            position: relative;
            padding: 28px 16px 20px;
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
            transition: var(--transition);
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .step-item .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--clr-primary);
            color: var(--clr-white);
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            box-shadow: 0 4px 12px rgba(26, 58, 92, 0.15);
        }
        .step-item h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--clr-primary);
        }
        .step-item p {
            font-size: 13px;
            color: var(--clr-text-light);
            margin-bottom: 0;
            line-height: 1.5;
        }
        .steps-row .step-connector {
            display: none;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
            transition: var(--transition);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-item .stat-number {
            font-size: 38px;
            font-weight: 800;
            color: var(--clr-primary);
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .stat-item .stat-number .accent {
            color: var(--clr-accent-dark);
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: var(--clr-text-light);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--clr-bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--clr-border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--clr-border);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 16px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 16px;
            font-weight: 600;
            color: var(--clr-primary);
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-question:hover {
            background: var(--clr-bg-alt);
        }
        .faq-question:focus-visible {
            outline: 3px solid var(--clr-accent);
            outline-offset: -2px;
        }
        .faq-question i {
            transition: var(--transition);
            color: var(--clr-text-muted);
            font-size: 14px;
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--clr-primary);
        }
        .faq-answer {
            padding: 0 20px 16px;
            font-size: 15px;
            color: var(--clr-text-light);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }
        .faq-answer p {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--clr-primary-dark) 0%, var(--clr-primary) 50%, var(--clr-primary-light) 100%);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container-custom {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--clr-white);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--clr-accent);
            color: var(--clr-primary-dark);
            font-weight: 700;
            font-size: 16px;
            padding: 14px 36px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(201, 168, 76, 0.35);
        }
        .btn-cta:hover {
            background: var(--clr-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 168, 76, 0.45);
            color: var(--clr-primary-dark);
        }
        .btn-cta:focus-visible {
            outline: 3px solid var(--clr-white);
            outline-offset: 3px;
        }
        .btn-cta i {
            font-size: 18px;
        }

        /* ===== 通用按钮 ===== */
        .btn-outline-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 26px;
            border-radius: 50px;
            border: 2px solid var(--clr-primary);
            color: var(--clr-primary);
            font-weight: 600;
            font-size: 14px;
            background: transparent;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-outline-primary-custom:hover {
            background: var(--clr-primary);
            color: var(--clr-white);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(26, 58, 92, 0.2);
        }
        .btn-outline-primary-custom:focus-visible {
            outline: 3px solid var(--clr-accent);
            outline-offset: 2px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--clr-primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-footer .logo-text-f {
            font-size: 20px;
            font-weight: 800;
            color: var(--clr-white);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }
        .site-footer .logo-text-f i {
            color: var(--clr-accent);
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 320px;
        }
        .site-footer .footer-col h5 {
            color: var(--clr-white);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .site-footer .footer-links a:hover {
            color: var(--clr-accent-light);
            transform: translateX(4px);
        }
        .site-footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            flex-wrap: wrap;
            gap: 12px;
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--clr-accent-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 820px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: var(--header-h);
            }
            .page-banner {
                padding: 60px 0 56px;
                min-height: 240px;
            }
            .page-banner h1 {
                font-size: 30px;
            }
            .page-banner p {
                font-size: 16px;
            }
            .section-block {
                padding: 56px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 30px;
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .service-card {
                padding: 24px 16px 20px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-banner h1 {
                font-size: 24px;
            }
            .page-banner p {
                font-size: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .section-sub {
                font-size: 15px;
                margin-bottom: 28px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-item .stat-number {
                font-size: 26px;
            }
            .steps-row {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .service-card {
                padding: 20px 14px 18px;
            }
            .service-card .icon-circle {
                width: 52px;
                height: 52px;
                font-size: 22px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .card-custom .card-img-top {
                height: 160px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .btn-cta {
                padding: 12px 28px;
                font-size: 14px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 13px;
                padding: 0 16px 12px;
            }
            .page-banner .breadcrumb-custom {
                font-size: 12px;
            }
        }

        @media (max-width: 380px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-item .stat-number {
                font-size: 22px;
            }
            .stat-item .stat-label {
                font-size: 12px;
            }
            .section-title {
                font-size: 20px;
            }
        }

        /* ===== 滚动条美化 ===== */
        .sidebar-nav::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .sidebar-nav::-webkit-scrollbar-thumb {
            background: var(--clr-border);
            border-radius: 8px;
        }
        .sidebar-nav::-webkit-scrollbar-thumb:hover {
            background: var(--clr-text-muted);
        }

        /* ===== 附加工具类 ===== */
        .text-accent {
            color: var(--clr-accent);
        }
        .text-primary-custom {
            color: var(--clr-primary);
        }
        .gap-row {
            gap: 24px;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }