/* roulang page: index */
:root {
    --brand-400: #34D399;
    --brand-500: #10B981;
    --brand-600: #059669;
    --accent: #F59E0B;
    --ink: #0B1220;
    --surface: #F6F7F9;
    --card: #FFFFFF;
    --text-primary: #0F172A;
    --text-secondary: #4B5A6A;
    --text-on-dark: #E2E8F0;
    --border-light: #E3E8EF;
    --border-dark: rgba(255,255,255,0.08);
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;
    --shadow-card: 0 4px 24px rgba(15,23,42,0.06);
    --shadow-hover: 0 16px 40px rgba(15,23,42,0.12);
    --font-display: 'Archivo','Arial Narrow',sans-serif;
    --font-sans: -apple-system,'PingFang SC','HarmonicOS Sans SC','Microsoft YaHei',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:var(--font-sans);
    background:var(--surface);
    color:var(--text-primary);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea{font-family:inherit;font-size:inherit}
.container{max-width:1280px;margin:0 auto;padding:0 1.25rem}
@media(min-width:768px){.container{padding:0 2rem}}
@media(min-width:1200px){.container{max-width:1280px}}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{
    position:fixed;top:12px;left:0;right:0;z-index:100;padding:0 16px;
    pointer-events:none;
}
.dock-inner{
    max-width:1024px;margin:0 auto;pointer-events:auto;
}
.dock-nav{
    display:flex;align-items:center;justify-content:space-between;
    background:rgba(11,18,32,0.88);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border:1px solid rgba(255,255,255,0.10);
    border-radius:999px;
    padding:8px 10px 8px 18px;
    box-shadow:0 12px 40px rgba(0,0,0,0.35);
    transition:box-shadow .3s ease;
}
.dock-logo{
    display:flex;align-items:center;gap:10px;
    color:#fff;font-weight:800;font-size:1.05rem;letter-spacing:-0.01em;
    white-space:nowrap;
}
.dock-logo .logo-badge{
    width:10px;height:28px;border-radius:3px;
    background:repeating-linear-gradient(135deg,var(--brand-500) 0 4px,#065f46 4px 8px);
    display:inline-block;transform:skewX(-8deg);
    box-shadow:0 2px 8px rgba(16,185,129,0.4);
}
.dock-links{display:flex;align-items:center;gap:4px}
.dock-links a{
    color:rgba(226,232,240,0.85);font-size:14px;font-weight:500;
    padding:8px 14px;border-radius:999px;
    transition:color .2s,background .2s;position:relative;
}
.dock-links a:hover{color:var(--brand-400);background:rgba(16,185,129,0.10)}
.dock-links a.active{color:#fff;font-weight:600}
.dock-links a.active::after{
    content:'';position:absolute;left:16px;right:16px;bottom:4px;height:2px;
    background:var(--brand-500);border-radius:2px;
}
.dock-cta{
    background:var(--brand-500);color:#fff;font-weight:600;font-size:14px;
    padding:9px 22px;border-radius:999px;white-space:nowrap;
    transition:background .25s,transform .2s,box-shadow .25s;
    box-shadow:0 4px 16px rgba(16,185,129,0.35);
}
.dock-cta:hover{background:var(--brand-600);transform:scale(1.03);box-shadow:0 6px 20px rgba(16,185,129,0.45)}
.dock-toggle{
    display:flex;flex-direction:column;justify-content:center;gap:4px;
    width:44px;height:44px;border-radius:999px;border:none;background:transparent;
    cursor:pointer;padding:10px;align-items:center;
}
.dock-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .3s,opacity .3s}
.dock-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.dock-toggle.open span:nth-child(2){opacity:0}
.dock-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.dock-mobile{
    background:rgba(11,18,32,0.95);
    backdrop-filter:blur(14px);
    border:1px solid rgba(255,255,255,0.10);
    border-radius:24px;margin-top:8px;padding:10px;
    box-shadow:0 16px 48px rgba(0,0,0,0.4);
}
.dock-mobile a{
    display:block;color:rgba(226,232,240,0.9);font-size:15px;font-weight:500;
    padding:14px 16px;border-radius:16px;transition:background .2s,color .2s;
}
.dock-mobile a:hover{background:rgba(16,185,129,0.12);color:var(--brand-400)}
.dock-mobile a.active{color:var(--brand-400);font-weight:700}
.dock-mobile a.dock-cta{
    text-align:center;background:var(--brand-500);color:#fff;
    margin:8px 12px 10px;padding:12px 20px;border-radius:999px;
}
.dock-mobile a.dock-cta:hover{background:var(--brand-600);color:#fff}
@media(min-width:768px){
    .dock-mobile{display:none!important}
}

/* ---------- Hero ---------- */
.hero-section{
    position:relative;
    background:linear-gradient(105deg,rgba(11,18,32,0.92) 20%,rgba(11,18,32,0.78) 60%,rgba(11,18,32,0.88) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    color:#fff;padding:150px 0 90px;overflow:hidden;
}
.hero-section::after{
    content:'';position:absolute;bottom:0;left:0;right:0;height:120px;
    background:linear-gradient(transparent,rgba(11,18,32,0.8));
    pointer-events:none;
}
.hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    background:rgba(245,158,11,0.16);border:1px solid rgba(245,158,11,0.35);
    color:#FCD34D;font-family:var(--font-display);font-style:italic;
    font-size:13px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;
    padding:6px 16px;border-radius:999px;margin-bottom:24px;
}
.hero-title{
    font-size:2rem;line-height:1.25;font-weight:900;letter-spacing:-0.02em;
    max-width:880px;margin-bottom:18px;
}
.hero-title .highlight{
    color:var(--brand-400);position:relative;
    display:inline-block;
}
.hero-title .highlight::after{
    content:'';position:absolute;left:0;bottom:2px;width:100%;height:8px;
    background:rgba(16,185,129,0.25);border-radius:4px;z-index:-1;
}
.hero-sub{
    font-size:1.1rem;color:rgba(226,232,240,0.85);max-width:640px;
    margin-bottom:36px;line-height:1.7;
}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:64px}
.btn-primary{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--brand-500);color:#fff;font-weight:600;
    padding:13px 30px;border-radius:999px;font-size:15px;
    transition:background .3s,transform .25s,box-shadow .3s;
    box-shadow:0 8px 28px rgba(16,185,129,0.35);
    min-height:44px;
}
.btn-primary:hover{background:var(--brand-600);transform:scale(1.03);box-shadow:0 10px 32px rgba(16,185,129,0.45)}
.btn-ghost{
    display:inline-flex;align-items:center;gap:8px;
    background:transparent;color:#fff;font-weight:500;
    padding:13px 26px;border-radius:999px;font-size:15px;
    border:1px solid rgba(255,255,255,0.35);
    transition:border-color .3s,background .3s,color .3s,transform .25s;
    min-height:44px;
}
.btn-ghost:hover{border-color:var(--brand-400);color:var(--brand-400);background:rgba(16,185,129,0.08);transform:translateX(3px)}
.hero-stats{
    display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:720px;
}
.hero-stat{position:relative;padding-left:20px}
.hero-stat::before{
    content:'';position:absolute;left:0;top:8px;bottom:8px;width:3px;
    background:var(--brand-500);border-radius:4px;
}
.hero-stat .num{
    font-family:var(--font-display);font-size:1.9rem;font-weight:900;
    color:var(--brand-400);line-height:1.1;font-style:italic;
}
.hero-stat .label{font-size:13px;color:rgba(226,232,240,0.7);margin-top:4px}

@media(max-width:768px){
    .hero-section{padding:130px 0 70px}
    .hero-title{font-size:1.55rem}
    .hero-sub{font-size:0.98rem;margin-bottom:28px}
    .hero-stats{grid-template-columns:repeat(3,1fr);gap:10px}
    .hero-stat .num{font-size:1.3rem}
}
@media(max-width:520px){
    .hero-title{font-size:1.4rem}
    .hero-stats{grid-template-columns:1fr;gap:14px;max-width:260px}
}

/* ---------- 通用板块 ---------- */
.section-padding{padding:88px 0}
@media(max-width:768px){.section-padding{padding:60px 0}}
.eyebrow{
    display:inline-block;font-family:var(--font-display);font-style:italic;
    font-size:13px;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;
    color:var(--brand-600);margin-bottom:10px;
}
.eyebrow.light{color:var(--brand-400)}
.section-title{
    font-size:2rem;font-weight:900;letter-spacing:-0.02em;line-height:1.2;
    color:var(--text-primary);margin-bottom:14px;
}
.section-desc{color:var(--text-secondary);font-size:1rem;max-width:620px;line-height:1.7}
@media(max-width:768px){.section-title{font-size:1.6rem}}

/* ---------- 服务编号行 ---------- */
.service-rows{display:flex;flex-direction:column;gap:16px;margin-top:48px}
.service-row{
    display:flex;align-items:center;gap:24px;
    background:var(--card);border-radius:var(--radius-xl);
    border:1px solid var(--border-light);border-left:4px solid transparent;
    padding:26px 30px;position:relative;
    transition:transform .3s,box-shadow .3s,border-color .3s;
    box-shadow:var(--shadow-card);
}
.service-row:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-hover);
    border-left-color:var(--brand-500);
}
.service-row .srv-num{
    font-family:var(--font-display);font-style:italic;font-weight:900;
    font-size:2.6rem;color:var(--brand-500);line-height:1;min-width:72px;
    opacity:0.85;letter-spacing:-0.03em;
}
.service-row .srv-info{flex:1}
.service-row .srv-info h3{font-size:1.2rem;font-weight:800;margin-bottom:4px;color:var(--text-primary)}
.service-row .srv-info p{color:var(--text-secondary);font-size:15px;line-height:1.65}
.service-row .srv-arrow{
    width:42px;height:42px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    color:var(--text-secondary);background:#F1F5F9;
    transition:background .3s,color .3s,transform .3s;
    flex-shrink:0;
}
.service-row:hover .srv-arrow{
    background:var(--brand-500);color:#fff;transform:translateX(4px);
}
@media(max-width:768px){
    .service-row{padding:20px;gap:14px;flex-wrap:wrap}
    .service-row .srv-num{font-size:2rem;min-width:52px}
    .service-row .srv-info{flex:1 1 calc(100% - 70px)}
    .service-row .srv-arrow{display:none}
}
@media(max-width:520px){
    .service-row .srv-num{min-width:44px;font-size:1.7rem}
}

/* ---------- 数据深色卡带 ---------- */
.stats-band{
    background:linear-gradient(135deg,#0B1220 0%,#111C33 55%,#0B1220 100%);
    border-radius:var(--radius-2xl);
    position:relative;overflow:hidden;
    padding:56px 48px;margin-top:88px;
}
.stats-band::before{
    content:'';position:absolute;top:0;right:0;width:220px;height:220px;
    background:repeating-linear-gradient(135deg,rgba(16,185,129,0.08) 0 8px,transparent 8px 16px);
    border-radius:50%;transform:translate(40%,-40%);
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative;z-index:2}
.stat-item{padding-top:16px;border-top:2px solid rgba(255,255,255,0.10)}
.stat-item .num{
    font-family:var(--font-display);font-style:italic;font-weight:900;
    font-size:2.8rem;color:var(--brand-400);line-height:1.05;letter-spacing:-0.02em;
}
.stat-item .tag{font-size:13px;color:rgba(226,232,240,0.65);margin-top:6px;letter-spacing:0.02em}
@media(max-width:1024px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}}
@media(max-width:768px){
    .stats-band{padding:40px 24px;margin-top:50px}
    .stat-item .num{font-size:2rem}
}
@media(max-width:520px){.stats-grid{grid-template-columns:1fr 1fr}}
@media(max-width:400px){.stats-grid{grid-template-columns:1fr}}

/* ---------- 案例卡 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:48px}
.case-card{
    background:var(--card);border-radius:var(--radius-xl);overflow:hidden;
    border:1px solid var(--border-light);box-shadow:var(--shadow-card);
    transition:transform .35s,box-shadow .35s,border-color .35s;
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(16,185,129,0.4)}
.case-cover{overflow:hidden;aspect-ratio:16/8.5;position:relative}
.case-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.case-card:hover .case-cover img{transform:scale(1.05)}
.case-tag{
    position:absolute;top:14px;left:14px;
    background:rgba(245,158,11,0.90);color:#78350F;
    font-size:12px;font-weight:800;padding:4px 12px;border-radius:999px;
    letter-spacing:0.02em;
}
.case-body{padding:24px}
.case-body h3{font-size:1.1rem;font-weight:800;margin-bottom:6px;color:var(--text-primary)}
.case-body p{font-size:14px;color:var(--text-secondary);line-height:1.6}
@media(max-width:768px){.case-grid{grid-template-columns:1fr;gap:20px}}
@media(max-width:520px){.case-body{padding:18px}}

/* ---------- 方案双栏 ---------- */
.solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;margin-top:48px}
.solution-list{display:flex;flex-direction:column;gap:22px}
.solution-item{display:flex;gap:14px;align-items:flex-start}
.solution-item .check{
    flex-shrink:0;width:26px;height:26px;border-radius:50%;
    background:rgba(16,185,129,0.12);color:var(--brand-500);
    display:flex;align-items:center;justify-content:center;font-size:12px;
    margin-top:2px;
}
.solution-item h4{font-size:1.05rem;font-weight:700;margin-bottom:3px;color:var(--text-primary)}
.solution-item p{font-size:14px;color:var(--text-secondary);line-height:1.6}
.solution-img{
    border-radius:var(--radius-2xl);overflow:hidden;position:relative;
    min-height:380px;
    background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    box-shadow:0 20px 48px rgba(11,18,32,0.18);
}
.solution-img .img-bar{
    position:absolute;bottom:0;left:0;right:0;padding:20px 24px;
    background:linear-gradient(transparent,rgba(11,18,32,0.85));
    color:#fff;display:flex;justify-content:space-between;align-items:flex-end;
}
.solution-img .img-bar .b1{font-size:14px;font-weight:600;color:rgba(255,255,255,0.9)}
.solution-img .img-bar .b2{font-family:var(--font-display);font-style:italic;font-weight:900;color:var(--brand-400);font-size:1.3rem}
@media(max-width:1024px){
    .solution-grid{grid-template-columns:1fr;gap:36px}
    .solution-img{min-height:320px}
}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:0.9fr 1.2fr;gap:56px;margin-top:48px}
.faq-left h2{margin-bottom:12px}
.faq-left .faq-note{color:var(--text-secondary);font-size:15px;line-height:1.7;margin-bottom:20px}
.faq-contact{
    display:inline-flex;align-items:center;gap:8px;
    color:var(--brand-600);font-weight:600;font-size:15px;
    transition:gap .3s,color .3s;
}
.faq-contact:hover{color:var(--brand-500);gap:12px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
    background:var(--card);border:1px solid var(--border-light);
    border-radius:var(--radius-lg);padding:20px 22px;
    transition:border-color .3s,box-shadow .3s;
}
.faq-item[open]{border-left:3px solid var(--brand-500);box-shadow:var(--shadow-card)}
.faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
    font-size:15px;font-weight:700;color:var(--text-primary);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-icon{
    flex-shrink:0;width:22px;height:22px;border-radius:50%;
    background:rgba(16,185,129,0.12);color:var(--brand-500);
    display:flex;align-items:center;justify-content:center;
    font-size:10px;transition:transform .3s,background .3s,color .3s;
}
.faq-item[open] summary .faq-icon{transform:rotate(45deg);background:var(--brand-500);color:#fff}
.faq-item .faq-answer{
    padding:14px 16px 4px;margin-left:-14px;margin-top:10px;
    border-left:2px solid rgba(16,185,129,0.35);
    color:var(--text-secondary);font-size:14px;line-height:1.75;
    background:#F8FAFC;border-radius:0 10px 10px 0;
}
@media(max-width:900px){.faq-grid{grid-template-columns:1fr;gap:32px}}
@media(max-width:520px){
    .faq-item{padding:16px 14px}
    .faq-item summary{font-size:14px}
}

/* ---------- 资讯卡片 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}
.news-card{
    background:var(--card);border-radius:var(--radius-xl);overflow:hidden;
    border:1px solid var(--border-light);box-shadow:var(--shadow-card);
    display:block;transition:transform .35s,box-shadow .35s,border-color .35s;
    position:relative;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(16,185,129,0.4)}
.news-cover{aspect-ratio:16/9;overflow:hidden;background:#E2E8F0}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.news-card:hover .news-cover img{transform:scale(1.06)}
.news-body{padding:18px;display:flex;flex-direction:column;gap:8px}
.news-cat{
    align-self:flex-start;
    background:rgba(245,158,11,0.14);color:#B45309;
    font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;
}
.news-body h3{
    font-size:15px;font-weight:800;color:var(--text-primary);line-height:1.4;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    min-height:42px;
}
.news-body p{
    font-size:13px;color:var(--text-secondary);line-height:1.5;
    display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.news-time{font-size:12px;color:#94A3B8;margin-top:4px}
.news-empty{
    grid-column:1/-1;background:var(--card);border:1px dashed var(--border-light);
    border-radius:var(--radius-xl);padding:56px 24px;text-align:center;
    color:var(--text-secondary);
}
.news-empty .empty-icon{font-size:2.2rem;margin-bottom:10px;opacity:0.5}
.news-empty p{font-size:15px}
@media(max-width:1200px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.news-grid{grid-template-columns:1fr}}

/* ---------- CTA / 表单 ---------- */
.cta-section{
    position:relative;
    background:linear-gradient(135deg,rgba(11,18,32,0.93) 0%,rgba(11,18,32,0.85) 100%),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    color:#fff;padding:90px 0;overflow:hidden;
}
.cta-inner{max-width:760px;margin:0 auto;text-align:center;position:relative;z-index:2}
.cta-inner h2{font-size:2.2rem;font-weight:900;letter-spacing:-0.02em;margin-bottom:12px}
.cta-inner .cta-sub{color:rgba(226,232,240,0.8);font-size:1rem;margin-bottom:42px}
.cta-form{
    background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);
    backdrop-filter:blur(8px);
    border-radius:var(--radius-2xl);padding:36px 32px;text-align:left;
}
.cta-form .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cta-form label{display:block;font-size:13px;font-weight:600;color:rgba(226,232,240,0.85);margin-bottom:6px}
.cta-form input,.cta-form textarea{
    width:100%;padding:13px 16px;border-radius:12px;
    background:rgba(255,255,255,0.10);border:1px solid rgba(255,255,255,0.15);
    color:#fff;font-size:14px;outline:none;transition:border-color .3s,background .3s,box-shadow .3s;
}
.cta-form input:focus,.cta-form textarea:focus{
    border-color:var(--brand-400);background:rgba(255,255,255,0.14);
    box-shadow:0 0 0 3px rgba(16,185,129,0.15);
}
.cta-form input::placeholder,.cta-form textarea::placeholder{color:rgba(226,232,240,0.35)}
.cta-form textarea{min-height:100px;resize:vertical}
.cta-form .form-full{grid-column:1/-1}
.cta-form .btn-submit{
    width:100%;margin-top:16px;background:var(--brand-500);color:#fff;
    font-size:15px;font-weight:700;padding:14px 30px;border-radius:999px;border:none;
    cursor:pointer;transition:background .3s,transform .25s,box-shadow .3s;
    box-shadow:0 8px 28px rgba(16,185,129,0.35);min-height:48px;
}
.cta-form .btn-submit:hover{background:var(--brand-600);transform:scale(1.02);box-shadow:0 10px 32px rgba(16,185,129,0.45)}
@media(max-width:600px){
    .cta-form{padding:24px 18px}
    .cta-form .form-grid{grid-template-columns:1fr}
    .cta-inner h2{font-size:1.7rem}
    .cta-section{padding:64px 0}
}

/* ---------- 页脚 ---------- */
.site-footer{
    background:var(--ink);color:rgba(226,232,240,0.75);
    border-top:1px solid rgba(255,255,255,0.08);padding:72px 0 0;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px}
.footer-brand .f-logo{
    display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:1.15rem;
    margin-bottom:14px;
}
.footer-brand .f-logo .logo-badge{
    width:10px;height:28px;border-radius:3px;
    background:repeating-linear-gradient(135deg,var(--brand-500) 0 4px,#065f46 4px 8px);
    display:inline-block;transform:skewX(-8deg);
}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(226,232,240,0.6);max-width:260px}
.footer-col h4{
    color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;
    position:relative;padding-bottom:8px;
}
.footer-col h4::after{
    content:'';position:absolute;left:0;bottom:0;width:24px;height:2px;
    background:var(--brand-500);border-radius:2px;
}
.footer-col a{
    display:block;font-size:14px;color:rgba(226,232,240,0.65);
    padding:4px 0;transition:color .25s,padding-left .25s;
}
.footer-col a:hover{color:var(--brand-400);padding-left:4px}
.footer-contact p{font-size:14px;color:rgba(226,232,240,0.65);line-height:2}
.footer-contact i{color:var(--brand-500);width:22px}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,0.07);padding:22px 0;
}
.footer-bottom .footer-bottom-inner{
    display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;
}
.footer-bottom p{font-size:13px;color:rgba(226,232,240,0.45)}
.footer-bottom .social-links{display:flex;gap:10px}
.footer-bottom .social-links a{
    width:34px;height:34px;border-radius:50%;
    background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.10);
    display:flex;align-items:center;justify-content:center;
    color:rgba(226,232,240,0.6);font-size:14px;
    transition:background .3s,color .3s,border-color .3s,transform .25s;
}
.footer-bottom .social-links a:hover{
    background:rgba(16,185,129,0.15);color:var(--brand-400);border-color:var(--brand-500);
    transform:translateY(-2px);
}
@media(max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr 1fr;gap:32px}}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}
@media(max-width:520px){
    .footer-bottom .footer-bottom-inner{flex-direction:column;text-align:center}
}

/* ---------- 通用按钮 hover ---------- */
.text-link{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--brand-600);font-weight:600;font-size:14px;
    transition:gap .3s,color .3s;min-height:40px;
}
.text-link:hover{color:var(--brand-500);gap:10px}

/* ---------- section head 通用 ---------- */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:8px}
.section-head-right{flex-shrink:0}
@media(max-width:640px){.section-head{flex-direction:column;align-items:flex-start;gap:10px}}

/* ---------- 背景浅色深色交替 ---------- */
.bg-surface{background:var(--surface)}
.bg-white{background:var(--card)}
.bg-dark{background:var(--ink)}

/* ---------- 移动端菜单显示 ---------- */
@media(max-width:767px){
    .dock-links{display:none!important}
    .dock-right{display:none!important}
    .dock-toggle{display:flex!important}
}
@media(min-width:768px){
    .dock-toggle{display:none!important}
}

/* roulang page: category1 */
:root {
            --brand-500: #10B981;
            --brand-600: #059669;
            --accent: #F59E0B;
            --ink: #0B1220;
            --surface: #F6F7F9;
            --card: #FFFFFF;
            --text-primary: #0F172A;
            --text-secondary: #4B5A6A;
            --text-on-dark: #E2E8F0;
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-light: #E3E8EF;
            --radius-card: 1rem;
            --shadow-card: 0 4px 20px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 16px 40px rgba(15, 23, 42, 0.12);
            --font-sans: -apple-system, "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei", sans-serif;
            --font-display: "Archivo", "Bebas Neue", "Arial Narrow", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--surface);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        body.no-scroll {
            overflow: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 80rem;
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        @media (min-width: 640px) {
            .container {
                padding: 0 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 2rem;
            }
        }

        /* ===== Dock Navigation ===== */
        .dock-nav {
            position: fixed;
            top: 0.75rem;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 1.5rem);
            max-width: 66rem;
            background: rgba(11, 18, 32, 0.86);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.6rem 0.9rem;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .dock-nav.scrolled {
            top: 0.4rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
        }

        .dock-logo {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 800;
            font-size: 1.05rem;
            letter-spacing: -0.01em;
            color: #ffffff;
            white-space: nowrap;
            padding-right: 0.5rem;
        }

        .logo-badge {
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, var(--brand-500) 0%, var(--brand-600) 100%);
            border-radius: 10px 10px 10px 3px;
            display: inline-block;
            flex-shrink: 0;
            position: relative;
        }

        .logo-badge::after {
            content: '';
            position: absolute;
            top: 7px;
            right: 7px;
            width: 8px;
            height: 8px;
            background: #fff;
            border-radius: 2px;
            opacity: 0.85;
        }

        .dock-links {
            display: none;
            align-items: center;
            gap: 0.15rem;
        }

        .dock-links a {
            color: rgba(255, 255, 255, 0.82);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 0.95rem;
            border-radius: 999px;
            position: relative;
            transition: all 0.2s ease;
        }

        .dock-links a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }

        .dock-links a.active {
            color: #ffffff;
            font-weight: 700;
        }

        .dock-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 2px;
            background: var(--brand-500);
            border-radius: 999px;
        }

        .dock-right {
            display: flex;
            align-items: center;
        }

        .dock-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-500);
            color: #ffffff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 0.5rem 1.2rem;
            border-radius: 999px;
            transition: all 0.2s ease;
            white-space: nowrap;
            min-height: 36px;
        }

        .dock-cta:hover {
            background: var(--brand-600);
            transform: scale(1.02);
            color: #fff;
        }

        .dock-toggle {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 0.5rem 0.6rem;
            border-radius: 10px;
            min-height: 40px;
            min-width: 40px;
            align-items: center;
        }

        .dock-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: #ffffff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .dock-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .dock-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .dock-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            position: fixed;
            top: 4.5rem;
            left: 1rem;
            right: 1rem;
            z-index: 999;
            background: rgba(11, 18, 32, 0.98);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 1.2rem;
            padding: 1rem;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-12px);
            transition: all 0.3s ease;
        }

        .mobile-menu.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mobile-menu a {
            display: block;
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.75rem 0.9rem;
            border-radius: 0.75rem;
            transition: all 0.2s ease;
        }

        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #fff;
        }

        .mobile-menu a.active {
            color: var(--brand-400);
            font-weight: 700;
            background: rgba(16, 185, 129, 0.08);
        }

        @media (min-width: 768px) {
            .dock-nav {
                padding: 0.5rem 0.6rem 0.5rem 1.1rem;
            }

            .dock-links {
                display: flex;
            }

            .dock-cta {
                padding: 0.55rem 1.4rem;
            }

            .dock-toggle {
                display: none;
            }

            .mobile-menu {
                display: none;
            }
        }

        main {
            padding-top: 0;
        }

        /* ===== Hero ===== */
        .hero-banner {
            background: var(--ink);
            position: relative;
            overflow: hidden;
            padding: 8rem 0 4.5rem;
        }

        .hero-banner .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.45;
        }

        .hero-banner .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(11, 18, 32, 0.78) 0%, rgba(11, 18, 32, 0.88) 100%);
        }

        .hero-banner .hero-content {
            position: relative;
            z-index: 2;
            max-width: 52rem;
            margin: 0 auto;
            text-align: center;
            padding: 0 1.25rem;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(245, 158, 11, 0.18);
            border: 1px solid rgba(245, 158, 11, 0.3);
            color: #FCD34D;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            margin-bottom: 1.2rem;
            font-family: var(--font-display);
        }

        .hero-banner h1 {
            color: #fff;
            font-size: 2rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }

        .hero-banner h1 .accent-green {
            color: var(--brand-400);
        }

        .hero-banner .hero-sub {
            color: rgba(255, 255, 255, 0.78);
            font-size: 1.05rem;
            line-height: 1.7;
            max-width: 40rem;
            margin: 0 auto 1.8rem;
        }

        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            justify-content: center;
            align-items: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--brand-500);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.75rem 1.6rem;
            border-radius: 999px;
            border: none;
            box-shadow: 0 8px 20px rgba(16, 185, 129, 0.25);
            transition: all 0.2s ease;
            min-height: 44px;
        }

        .btn-primary:hover {
            background: var(--brand-600);
            color: #fff;
            transform: scale(1.02);
            box-shadow: 0 10px 28px rgba(16, 185, 129, 0.3);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.75rem 1.5rem;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.35);
            transition: all 0.2s ease;
            min-height: 44px;
        }

        .btn-outline-light:hover {
            border-color: var(--brand-500);
            color: var(--brand-400);
            background: rgba(16, 185, 129, 0.06);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 1rem;
            justify-content: center;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.65);
        }

        .breadcrumb a:hover {
            color: var(--brand-400);
        }

        .breadcrumb i {
            font-size: 0.6rem;
            opacity: 0.5;
        }

        /* ===== Section ===== */
        .section {
            padding: 4rem 0;
        }

        .section-head {
            text-align: center;
            max-width: 44rem;
            margin: 0 auto 2.8rem;
        }

        .section-eyebrow {
            display: inline-block;
            background: rgba(16, 185, 129, 0.1);
            color: var(--brand-600);
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            padding: 0.3rem 0.9rem;
            border-radius: 999px;
            margin-bottom: 0.85rem;
            font-family: var(--font-display);
            text-transform: uppercase;
        }

        .section-head h2 {
            font-size: 1.75rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.25;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-top: 0.8rem;
        }

        /* ===== Numbered rows ===== */
        .numbered-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .numbered-item {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            background: var(--card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1.2rem 1.2rem;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
            border-left: 4px solid transparent;
        }

        .numbered-item:hover {
            border-left-color: var(--brand-500);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .numbered-item .num {
            font-family: var(--font-display);
            font-style: italic;
            font-size: 2rem;
            font-weight: 700;
            color: var(--brand-500);
            line-height: 1;
            min-width: 2.5rem;
            text-align: center;
            flex-shrink: 0;
        }

        .numbered-item .item-body {
            flex: 1;
            min-width: 0;
        }

        .numbered-item .item-body h3 {
            font-size: 1rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.25rem;
        }

        .numbered-item .item-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .numbered-item .item-link {
            color: var(--brand-500);
            font-size: 1.2rem;
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(16, 185, 129, 0.08);
            transition: all 0.2s ease;
        }

        .numbered-item:hover .item-link {
            background: var(--brand-500);
            color: #fff;
            transform: translateX(3px);
        }

        @media (min-width: 768px) {
            .numbered-item {
                padding: 1.5rem 1.8rem;
                gap: 1.6rem;
            }

            .numbered-item .num {
                font-size: 2.6rem;
                min-width: 3rem;
            }

            .numbered-item .item-body h3 {
                font-size: 1.1rem;
            }

            .numbered-item .item-body p {
                font-size: 0.9rem;
            }
        }

        /* ===== Dark stat band ===== */
        .stat-band {
            background: var(--ink);
            position: relative;
            overflow: hidden;
        }

        .stat-band::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--brand-500), transparent);
        }

        .stat-band .stat-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
        }

        .stat-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.2rem;
            padding: 2.5rem 0;
        }

        .stat-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-dark);
            border-radius: 1.2rem;
            padding: 1.6rem 1.4rem;
            text-align: center;
            transition: all 0.25s ease;
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(16, 185, 129, 0.4);
        }

        .stat-item .stat-num {
            font-family: var(--font-display);
            font-style: italic;
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--brand-400);
            line-height: 1;
        }

        .stat-item .stat-label {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.82rem;
            margin-top: 0.5rem;
            font-weight: 500;
        }

        .stat-item .stat-line {
            width: 28px;
            height: 2px;
            background: var(--accent);
            margin: 0.7rem auto 0;
            border-radius: 2px;
        }

        @media (min-width: 640px) {
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .stat-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.5rem;
                padding: 3.5rem 0;
            }
        }

        /* ===== Image cards ===== */
        .card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        .spot-card {
            background: var(--card);
            border: 1px solid var(--border-light);
            border-radius: 1.25rem;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .spot-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(16, 185, 129, 0.5);
        }

        .spot-card .spot-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
            background: #E8ECF1;
        }

        .spot-card .spot-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

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

        .spot-card .spot-body {
            padding: 1.3rem 1.3rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .spot-card .spot-tag {
            display: inline-block;
            background: rgba(245, 158, 11, 0.14);
            color: #B45309;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.2rem 0.7rem;
            border-radius: 999px;
            margin-bottom: 0.6rem;
            align-self: flex-start;
        }

        .spot-card h3 {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 0.4rem;
        }

        .spot-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }

        @media (min-width: 640px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.8rem;
            }
        }

        /* ===== Timeline / process ===== */
        .process-section {
            background: #fff;
        }

        .process-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            padding: 0.5rem 0;
        }

        .process-step {
            position: relative;
            background: var(--surface);
            border-radius: 1.1rem;
            padding: 1.5rem 1.4rem 1.5rem 3.2rem;
            border: 1px solid var(--border-light);
            transition: all 0.25s ease;
        }

        .process-step:hover {
            border-color: rgba(16, 185, 129, 0.4);
            box-shadow: var(--shadow-card);
        }

        .process-step .step-dot {
            position: absolute;
            left: 1.1rem;
            top: 1.6rem;
            width: 12px;
            height: 12px;
            background: var(--brand-500);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15);
        }

        .process-step .step-dot::after {
            content: '';
            position: absolute;
            top: 14px;
            left: 5px;
            width: 2px;
            height: calc(100% + 1rem);
            background: rgba(16, 185, 129, 0.2);
        }

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

        .process-step .step-num {
            font-family: var(--font-display);
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--brand-600);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 0.3rem;
            display: block;
        }

        .process-step h3 {
            font-size: 1rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.35rem;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        @media (min-width: 768px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.2rem;
            }
        }

        @media (min-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

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

        .faq-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }

        .faq-left {
            max-width: 24rem;
        }

        .faq-left h2 {
            font-size: 1.6rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 0.8rem;
        }

        .faq-left p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .faq-contact-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--brand-600);
            font-weight: 600;
            font-size: 0.88rem;
            margin-top: 1.2rem;
            transition: gap 0.2s ease;
        }

        .faq-contact-link:hover {
            gap: 0.7rem;
            color: var(--brand-500);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border-light);
            border-radius: 0.8rem;
            overflow: hidden;
            transition: border-color 0.2s ease;
        }

        .faq-item[open] {
            border-left: 3px solid var(--brand-500);
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1rem 1.1rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text-primary);
            min-height: 48px;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-icon {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
            border-radius: 6px;
            background: rgba(16, 185, 129, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--brand-600);
            transition: all 0.3s ease;
            position: relative;
        }

        .faq-item summary .faq-icon::before {
            content: '+';
            font-size: 0.9rem;
            font-weight: 700;
            line-height: 1;
        }

        .faq-item[open] summary .faq-icon {
            background: var(--brand-500);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item .faq-body {
            padding: 0 1.1rem 1.1rem;
            font-size: 0.87rem;
            color: var(--text-secondary);
            line-height: 1.7;
            border-top: 1px solid transparent;
        }

        .faq-item[open] .faq-body {
            border-top-color: var(--border-light);
            padding-top: 0.8rem;
            background: #FAFBFC;
        }

        @media (min-width: 1024px) {
            .faq-layout {
                grid-template-columns: 1fr 1.4fr;
                gap: 4rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--ink);
            position: relative;
            overflow: hidden;
            padding: 4rem 0;
        }

        .cta-section .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.3;
        }

        .cta-section .cta-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(11, 18, 32, 0.5) 0%, rgba(11, 18, 32, 0.92) 100%);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 40rem;
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        .cta-content h2 {
            color: #fff;
            font-size: 1.7rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 0.9rem;
        }

        .cta-content h2 .text-green {
            color: var(--brand-400);
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 1.6rem;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.8rem;
        }

        .cta-note {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.75rem;
            margin-top: 1.2rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink);
            border-top: 1px solid var(--border-dark);
            padding: 3.5rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding-bottom: 2.5rem;
        }

        .footer-brand .f-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.1rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 20rem;
        }

        .footer-col h4 {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 0.9rem;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
            padding: 0.25rem 0;
            transition: all 0.2s ease;
        }

        .footer-col a:hover {
            color: var(--brand-400);
            transform: translateX(3px);
        }

        .footer-contact h4 {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 0.9rem;
        }

        .footer-contact p {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
            padding: 0.25rem 0;
            line-height: 1.6;
        }

        .footer-contact p i {
            color: var(--brand-500);
            margin-right: 0.3rem;
            width: 1.2rem;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 1.2rem 0;
        }

        .footer-bottom-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.8rem;
        }

        .footer-bottom-inner p {
            color: rgba(255, 255, 255, 0.38);
            font-size: 0.78rem;
        }

        .social-links {
            display: flex;
            gap: 0.5rem;
        }

        .social-links a {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
            transition: all 0.2s ease;
        }

        .social-links a:hover {
            background: rgba(16, 185, 129, 0.15);
            color: var(--brand-400);
        }

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.6fr 0.8fr 0.8fr 1.2fr;
                gap: 3rem;
            }

            .footer-bottom-inner {
                flex-direction: row;
                justify-content: space-between;
            }
        }

        /* ===== Focus & Misc ===== */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--brand-500);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .section-divider {
            height: 1px;
            background: var(--border-light);
            max-width: 80rem;
            margin: 0 auto;
        }

/* roulang page: article */
:root {
            --brand-500: #10B981;
            --brand-600: #059669;
            --brand-400: #34D399;
            --accent: #F59E0B;
            --ink: #0B1220;
            --surface: #F6F7F9;
            --card: #FFFFFF;
            --text-primary: #0F172A;
            --text-secondary: #4B5A6A;
            --text-on-dark: #E2E8F0;
            --border-light: #E3E8EF;
            --border-dark: rgba(255, 255, 255, 0.08);
            --radius: 1rem;
            --radius-lg: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
            --font-sans: -apple-system, "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei", sans-serif;
            --font-display: 'Archivo', 'Arial Narrow', var(--font-sans);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--surface);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        /* ===== Dock 导航 ===== */
        .dock-nav {
            position: fixed;
            top: 12px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 100;
            width: calc(100% - 24px);
            max-width: 1024px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 20px;
            background: rgba(11, 18, 32, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: 999px;
            border: 1px solid var(--border-dark);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.28);
            transition: all 0.3s ease;
        }

        .dock-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .logo-badge {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--brand-500), var(--brand-600));
            display: inline-block;
            position: relative;
            flex-shrink: 0;
            clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
        }

        .logo-badge::after {
            content: '';
            position: absolute;
            top: 4px;
            left: 4px;
            width: 20px;
            height: 20px;
            background: repeating-linear-gradient(45deg, #fff 0, #fff 2px, transparent 2px, transparent 4px);
            opacity: 0.35;
            border-radius: 4px;
        }

        .dock-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .dock-links a {
            color: var(--text-on-dark);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 999px;
            transition: all 0.2s ease;
            position: relative;
        }

        .dock-links a:hover {
            color: var(--brand-400);
            background: rgba(255, 255, 255, 0.06);
        }

        .dock-links a.active {
            color: var(--brand-400);
            font-weight: 700;
        }

        .dock-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 4px;
            background: var(--brand-500);
        }

        .dock-right {
            display: flex;
            align-items: center;
        }

        .dock-cta {
            background: var(--brand-500);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 999px;
            transition: all 0.2s ease;
            box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
        }

        .dock-cta:hover {
            background: var(--brand-600);
            transform: scale(1.03);
        }

        .dock-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            z-index: 110;
        }

        .dock-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .dock-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

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

        .dock-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @media (max-width: 768px) {
            .dock-nav {
                padding: 8px 14px;
            }

            .dock-links {
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                background: rgba(11, 18, 32, 0.95);
                backdrop-filter: blur(16px);
                border: 1px solid var(--border-dark);
                border-radius: 20px;
                padding: 12px;
                display: flex;
                flex-direction: column;
                gap: 6px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-10px);
                transition: all 0.3s ease;
            }

            .dock-links.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }

            .dock-links a {
                width: 100%;
                text-align: center;
                padding: 10px 14px;
                font-size: 0.95rem;
            }

            .dock-links a.active::after {
                bottom: 4px;
            }

            .dock-cta {
                font-size: 0.8rem;
                padding: 7px 14px;
            }

            .dock-toggle {
                display: flex;
            }
        }

        /* ===== 文章头 ===== */
        .article-header-section {
            padding: 150px 0 60px;
            background: var(--surface);
            position: relative;
            border-bottom: 1px solid var(--border-light);
            overflow: hidden;
        }

        .article-header-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.2s;
        }

        .breadcrumb a:hover {
            color: var(--brand-600);
        }

        .breadcrumb .sep {
            color: #b0b8c4;
            font-size: 0.75rem;
        }

        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 600;
            max-width: 260px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-head {
            max-width: 820px;
        }

        .article-badge {
            display: inline-block;
            background: rgba(245, 158, 11, 0.14);
            color: #b45309;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .article-title {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--text-primary);
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            color: var(--text-secondary);
            font-size: 0.875rem;
        }

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

        .meta-item i {
            color: var(--brand-500);
            font-size: 0.85rem;
        }

        @media (max-width: 640px) {
            .article-header-section {
                padding: 130px 0 40px;
            }

            .article-title {
                font-size: 1.75rem;
                line-height: 1.35;
            }

            .article-meta {
                gap: 10px;
                font-size: 0.8rem;
            }
        }

        /* ===== 正文 ===== */
        .article-content-section {
            padding: 56px 0 24px;
        }

        .article-container {
            max-width: 780px;
            margin: 0 auto;
        }

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

        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            margin: 2.2rem 0 1rem;
            padding-left: 0.875rem;
            border-left: 4px solid var(--brand-500);
            line-height: 1.4;
            letter-spacing: -0.01em;
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 1.8rem 0 0.875rem;
        }

        .article-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 1.4rem 0 0.6rem;
        }

        .article-content p {
            font-size: 1.0625rem;
            line-height: 1.85;
            color: var(--text-secondary);
            margin-bottom: 1.5em;
        }

        .article-content blockquote {
            border-left: 4px solid var(--brand-500);
            background: #f0fdf4;
            padding: 1rem 1.25rem;
            border-radius: 0 0.75rem 0.75rem 0;
            margin: 1.75rem 0;
            color: var(--text-primary);
            font-style: italic;
        }

        .article-content img {
            border-radius: 0.75rem;
            margin: 1.75rem 0;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .article-content ul,
        .article-content ol {
            padding-left: 1.25rem;
            margin: 1rem 0 1.5rem;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 1.0625rem;
        }

        .article-content li {
            margin-bottom: 0.4rem;
        }

        .article-content a {
            color: var(--brand-600);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

        .article-content a:hover {
            color: var(--brand-500);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.9375rem;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border-light);
            padding: 10px 12px;
            text-align: left;
        }

        .article-content table th {
            background: var(--surface);
            font-weight: 700;
            color: var(--text-primary);
        }

        .article-content code {
            background: #f1f5f9;
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 0.9em;
        }

        @media (max-width: 640px) {
            .article-content-section {
                padding: 32px 0 12px;
            }

            .article-content {
                padding: 24px 20px;
                border-radius: 1rem;
            }

            .article-content p {
                font-size: 1rem;
                line-height: 1.75;
            }

            .article-content h2 {
                font-size: 1.35rem;
            }

            .article-content h3 {
                font-size: 1.15rem;
            }
        }

        /* ===== 文章底部 ===== */
        .article-footer {
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--border-light);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 24px;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--surface);
            color: var(--text-secondary);
            font-size: 0.8rem;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: 999px;
            border: 1px solid var(--border-light);
            transition: all 0.2s;
        }

        .tag-chip:hover {
            background: rgba(16, 185, 129, 0.08);
            color: var(--brand-600);
            border-color: rgba(16, 185, 129, 0.3);
        }

        .article-back {
            display: flex;
            justify-content: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-500);
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 600;
            padding: 11px 28px;
            border-radius: 999px;
            transition: all 0.25s ease;
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
            min-height: 44px;
        }

        .btn-primary:hover {
            background: var(--brand-600);
            transform: scale(1.02);
            box-shadow: 0 8px 24px rgba(5, 150, 105, 0.35);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-secondary);
            font-size: 0.9375rem;
            font-weight: 500;
            padding: 10px 24px;
            border-radius: 999px;
            border: 1.5px solid var(--border-light);
            transition: all 0.25s ease;
            min-height: 44px;
        }

        .btn-secondary:hover {
            color: var(--brand-600);
            border-color: var(--brand-500);
            background: rgba(16, 185, 129, 0.05);
        }

        /* ===== 空态 ===== */
        .article-empty-section {
            padding: 180px 0 120px;
        }

        .article-empty {
            text-align: center;
            max-width: 420px;
            margin: 0 auto;
            background: var(--card);
            border-radius: var(--radius-lg);
            padding: 56px 32px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
        }

        .article-empty i {
            font-size: 3rem;
            color: var(--brand-400);
            margin-bottom: 20px;
            display: block;
        }

        .article-empty h2 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

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

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 64px 0 40px;
            background: var(--surface);
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 36px;
            gap: 16px;
        }

        .eyebrow {
            display: inline-block;
            font-family: var(--font-display);
            font-size: 0.8rem;
            font-weight: 700;
            font-style: italic;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--brand-500);
            margin-bottom: 6px;
        }

        .section-head h2 {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.2;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand-600);
            font-size: 0.875rem;
            font-weight: 600;
            transition: all 0.2s;
        }

        .text-link i {
            transition: transform 0.2s;
        }

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

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

        .related-card {
            display: block;
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            height: 100%;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(16, 185, 129, 0.5);
        }

        .card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #e2e8f0;
        }

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

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

        .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(245, 158, 11, 0.92);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        .card-body {
            padding: 20px;
        }

        .card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-body p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .card-arrow {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--surface);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-600);
            font-size: 0.8rem;
            transition: all 0.25s;
        }

        .related-card:hover .card-arrow {
            background: var(--brand-500);
            color: #fff;
        }

        @media (max-width: 768px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }

            .section-head h2 {
                font-size: 1.5rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 72px 0 80px;
            background: var(--surface);
        }

        .cta-box {
            position: relative;
            background: var(--ink);
            border-radius: 2rem;
            padding: 72px 40px;
            text-align: center;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 18, 32, 0.85) 0%, rgba(11, 18, 32, 0.65) 60%, rgba(16, 185, 129, 0.2) 100%);
        }

        .cta-box>* {
            position: relative;
            z-index: 1;
        }

        .cta-box h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-box p {
            color: var(--text-on-dark);
            font-size: 1rem;
            margin-bottom: 32px;
            max-width: 420px;
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 640px) {
            .cta-section {
                padding: 48px 0 56px;
            }

            .cta-box {
                padding: 48px 24px;
                border-radius: 1.5rem;
            }

            .cta-box h2 {
                font-size: 1.5rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--ink);
            border-top: 1px solid var(--border-dark);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid var(--border-dark);
        }

        .footer-brand .f-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: #94a3b8;
            font-size: 0.875rem;
            line-height: 1.7;
            max-width: 260px;
        }

        .footer-col h4,
        .footer-contact h4 {
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: #94a3b8;
            font-size: 0.875rem;
            margin-bottom: 10px;
            transition: color 0.2s;
        }

        .footer-col a:hover {
            color: var(--brand-400);
        }

        .footer-contact p {
            color: #94a3b8;
            font-size: 0.875rem;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            width: 20px;
            text-align: center;
            color: var(--brand-500);
        }

        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            color: #64748b;
            font-size: 0.8rem;
        }

        .social-links {
            display: flex;
            gap: 12px;
        }

        .social-links a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #94a3b8;
            font-size: 0.9rem;
            transition: all 0.2s;
        }

        .social-links a:hover {
            background: var(--brand-500);
            color: #fff;
            border-color: var(--brand-500);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

/* roulang page: category2 */
/* ===== 设计变量 ===== */
    :root {
        --brand-500: #10B981;
        --brand-600: #059669;
        --accent: #F59E0B;
        --ink: #0B1220;
        --surface: #F6F7F9;
        --card: #FFFFFF;
        --text-primary: #0F172A;
        --text-secondary: #4B5A6A;
        --text-on-dark: #E2E8F0;
        --border-light: #E3E8EF;
        --border-dark: rgba(255, 255, 255, 0.08);
        --radius-lg: 1.5rem;
        --radius-md: 1rem;
        --shadow-card: 0 8px 24px rgba(15, 23, 42, 0.08);
        --shadow-hover: 0 16px 40px rgba(15, 23, 42, 0.12);
    }

    /* ===== 基础 reset ===== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        margin: 0;
        font-family: -apple-system, "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei", sans-serif;
        font-size: 16px;
        line-height: 1.6;
        color: var(--text-primary);
        background: #FFFFFF;
        -webkit-font-smoothing: antialiased;
    }
    img {
        max-width: 100%;
        display: block;
    }
    a {
        color: inherit;
        text-decoration: none;
    }
    button {
        font-family: inherit;
    }

    /* ===== 容器 ===== */
    .container {
        max-width: 80rem;
        margin: 0 auto;
        padding-left: 1rem;
        padding-right: 1rem;
    }
    @media (min-width: 640px) {
        .container {
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
    }
    @media (min-width: 1024px) {
        .container {
            padding-left: 2rem;
            padding-right: 2rem;
        }
    }

    /* ===== 浮动导航 ===== */
    .dock-nav {
        position: fixed;
        top: 0.75rem;
        left: 50%;
        transform: translateX(-50%);
        width: calc(100% - 2rem);
        max-width: 72rem;
        z-index: 100;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        padding: 0.55rem 0.9rem;
        border-radius: 9999px;
        background: rgba(11, 18, 32, 0.88);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border: 1px solid rgba(255, 255, 255, 0.09);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    }
    .dock-logo {
        display: inline-flex;
        align-items: center;
        gap: 0.55rem;
        color: #FFFFFF;
        font-weight: 800;
        font-size: 1.05rem;
        white-space: nowrap;
        letter-spacing: -0.01em;
    }
    .logo-badge {
        width: 12px;
        height: 12px;
        border-radius: 3px;
        background: linear-gradient(135deg, var(--brand-500), var(--brand-600));
        transform: skew(-10deg);
        flex-shrink: 0;
        display: inline-block;
    }
    .dock-links {
        display: none;
        align-items: center;
        gap: 0.15rem;
    }
    .dock-links a {
        color: rgba(255, 255, 255, 0.82);
        font-size: 0.88rem;
        font-weight: 500;
        padding: 0.4rem 0.8rem;
        border-radius: 9999px;
        transition: color 0.2s, background 0.2s;
        position: relative;
        white-space: nowrap;
    }
    .dock-links a:hover {
        color: var(--brand-500);
    }
    .dock-links a.active {
        color: var(--brand-500);
        background: rgba(16, 185, 129, 0.12);
    }
    .dock-links a.active::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 2px;
        background: var(--brand-500);
        border-radius: 2px;
    }
    .dock-right {
        display: none;
        align-items: center;
    }
    .dock-cta {
        display: inline-flex;
        align-items: center;
        background: var(--brand-500);
        color: #FFFFFF;
        font-size: 0.88rem;
        font-weight: 600;
        padding: 0.5rem 1.25rem;
        border-radius: 9999px;
        transition: background 0.2s, transform 0.2s;
        white-space: nowrap;
        box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    }
    .dock-cta:hover {
        background: var(--brand-600);
        transform: scale(1.03);
    }
    .dock-toggle {
        display: inline-flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        width: 40px;
        height: 40px;
        border-radius: 9999px;
        border: 1px solid rgba(255, 255, 255, 0.18);
        background: transparent;
        cursor: pointer;
        transition: background 0.2s, border-color 0.2s;
    }
    .dock-toggle:hover {
        background: rgba(255, 255, 255, 0.06);
        border-color: rgba(255, 255, 255, 0.3);
    }
    .dock-toggle span {
        width: 18px;
        height: 2px;
        background: #FFFFFF;
        border-radius: 2px;
        transition: transform 0.2s, opacity 0.2s;
    }
    .dock-mobile-menu {
        position: absolute;
        top: calc(100% + 8px);
        left: 0;
        right: 0;
        background: rgba(11, 18, 32, 0.96);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-radius: 22px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        padding: 0.65rem;
        display: none;
        flex-direction: column;
        gap: 0.2rem;
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
    }
    .dock-nav.is-open .dock-mobile-menu {
        display: flex;
    }
    .dock-mobile-menu a {
        color: rgba(255, 255, 255, 0.85);
        font-size: 0.95rem;
        padding: 0.65rem 1rem;
        border-radius: 14px;
        transition: background 0.2s, color 0.2s;
    }
    .dock-mobile-menu a:hover {
        background: rgba(16, 185, 129, 0.1);
        color: var(--brand-500);
    }
    .dock-mobile-menu a.active {
        color: var(--brand-500);
        background: rgba(16, 185, 129, 0.12);
    }
    .dock-mobile-menu .m-cta {
        margin-top: 0.4rem;
        background: var(--brand-500);
        color: #FFFFFF;
        text-align: center;
        font-weight: 600;
    }
    .dock-mobile-menu .m-cta:hover {
        background: var(--brand-600);
        color: #FFFFFF;
    }
    @media (min-width: 768px) {
        .dock-links {
            display: flex;
        }
        .dock-right {
            display: flex;
        }
        .dock-toggle {
            display: none;
        }
        .dock-mobile-menu {
            display: none !important;
        }
    }

    /* ===== Hero ===== */
    .category-hero {
        position: relative;
        background: var(--ink);
        padding: 7.5rem 0 4.5rem;
        color: #FFFFFF;
        overflow: hidden;
    }
    .category-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center;
        opacity: 0.4;
    }
    .category-hero::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(115deg, rgba(11, 18, 32, 0.94) 0%, rgba(11, 18, 32, 0.72) 55%, rgba(5, 150, 105, 0.35) 100%);
    }
    .hero-content {
        position: relative;
        z-index: 2;
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.5);
        margin-bottom: 1.6rem;
    }
    .breadcrumb a {
        color: rgba(255, 255, 255, 0.7);
        transition: color 0.2s;
    }
    .breadcrumb a:hover {
        color: var(--brand-500);
    }
    .breadcrumb .current {
        color: var(--brand-500);
    }
    .hero-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        background: rgba(245, 158, 11, 0.14);
        border: 1px solid rgba(245, 158, 11, 0.25);
        color: #FBBF24;
        font-size: 0.78rem;
        font-weight: 700;
        letter-spacing: 0.08em;
        padding: 0.35rem 0.9rem;
        border-radius: 9999px;
        margin-bottom: 1.2rem;
    }
    .category-hero h1 {
        font-size: clamp(1.9rem, 5vw, 3.3rem);
        font-weight: 900;
        line-height: 1.18;
        letter-spacing: -0.02em;
        max-width: 820px;
        margin: 0;
    }
    .category-hero h1 .highlight {
        color: var(--brand-500);
    }
    .hero-content .hero-desc {
        color: rgba(255, 255, 255, 0.78);
        font-size: 1.1rem;
        line-height: 1.7;
        max-width: 580px;
        margin-top: 1.2rem;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 0.8rem;
        margin-top: 2rem;
    }

    /* ===== 按钮 ===== */
    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        background: var(--brand-500);
        color: #FFFFFF;
        font-weight: 600;
        font-size: 0.95rem;
        padding: 0.8rem 1.75rem;
        border-radius: 9999px;
        box-shadow: 0 8px 20px rgba(16, 185, 129, 0.25);
        transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
        cursor: pointer;
        border: none;
        min-height: 44px;
    }
    .btn-primary:hover {
        background: var(--brand-600);
        transform: scale(1.02);
        box-shadow: 0 10px 28px rgba(16, 185, 129, 0.3);
    }
    .btn-primary i {
        font-size: 0.85em;
    }
    .btn-outline {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        border: 1.5px solid rgba(255, 255, 255, 0.45);
        color: #FFFFFF;
        font-weight: 600;
        font-size: 0.95rem;
        padding: 0.78rem 1.65rem;
        border-radius: 9999px;
        background: transparent;
        transition: border-color 0.2s, color 0.2s, background 0.2s;
        cursor: pointer;
        min-height: 44px;
    }
    .btn-outline:hover {
        border-color: var(--brand-500);
        color: var(--brand-500);
        background: rgba(16, 185, 129, 0.06);
    }
    .link-arrow {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        color: var(--brand-500);
        font-weight: 600;
        font-size: 0.95rem;
        transition: gap 0.2s;
    }
    .link-arrow:hover {
        gap: 0.75rem;
    }

    /* ===== 板块通用 ===== */
    .section-pad {
        padding: 4.5rem 0;
    }
    @media (min-width: 1024px) {
        .section-pad {
            padding: 6.5rem 0;
        }
    }
    .bg-surface {
        background: var(--surface);
    }
    .section-eyebrow {
        display: inline-block;
        font-size: 0.78rem;
        font-weight: 700;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: var(--brand-500);
        background: rgba(16, 185, 129, 0.1);
        padding: 0.3rem 0.9rem;
        border-radius: 9999px;
    }
    .section-title {
        font-size: 1.8rem;
        font-weight: 800;
        line-height: 1.22;
        letter-spacing: -0.02em;
        margin-top: 0.8rem;
        margin-bottom: 0;
    }
    @media (min-width: 768px) {
        .section-title {
            font-size: 2.2rem;
        }
    }
    .section-sub {
        color: var(--text-secondary);
        font-size: 0.98rem;
        line-height: 1.7;
        margin-top: 0.75rem;
        max-width: 640px;
    }

    /* ===== 权益卡片 ===== */
    .benefit-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 3rem;
    }
    @media (min-width: 768px) {
        .benefit-grid {
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
    }
    @media (min-width: 1024px) {
        .benefit-grid {
            gap: 2rem;
        }
    }
    .benefit-card {
        background: var(--card);
        border-radius: var(--radius-lg);
        border: 1px solid var(--border-light);
        overflow: hidden;
        transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
        display: flex;
        flex-direction: column;
    }
    .benefit-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(16, 185, 129, 0.5);
    }
    .benefit-card .card-img {
        height: 190px;
        overflow: hidden;
        position: relative;
    }
    .benefit-card .card-img::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(11, 18, 32, 0.25), transparent 60%);
    }
    .benefit-card .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.6s ease;
    }
    .benefit-card:hover .card-img img {
        transform: scale(1.06);
    }
    .benefit-card .card-body {
        padding: 1.6rem 1.6rem 1.8rem;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .card-icon {
        width: 48px;
        height: 48px;
        background: rgba(16, 185, 129, 0.12);
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--brand-500);
        font-size: 1.3rem;
        margin-bottom: 1.1rem;
    }
    .benefit-card h3 {
        font-size: 1.25rem;
        font-weight: 700;
        margin: 0 0 0.5rem;
        letter-spacing: -0.01em;
    }
    .benefit-card p {
        color: var(--text-secondary);
        font-size: 0.95rem;
        line-height: 1.65;
        margin: 0;
    }
    .benefit-card .card-tag {
        display: inline-block;
        margin-top: 1.2rem;
        align-self: flex-start;
        background: rgba(245, 158, 11, 0.14);
        color: #B45309;
        font-size: 0.75rem;
        font-weight: 600;
        padding: 0.25rem 0.7rem;
        border-radius: 9999px;
    }

    /* ===== 数据带 ===== */
    .stats-section {
        padding: 2.5rem 0;
        background: #FFFFFF;
    }
    @media (min-width: 768px) {
        .stats-section {
            padding: 3rem 0;
        }
    }
    .stats-band {
        background: var(--ink);
        border-radius: 2rem;
        padding: 2.8rem 1.5rem;
        position: relative;
        overflow: hidden;
        border: 1px solid rgba(255, 255, 255, 0.06);
    }
    .stats-band::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(16, 185, 129, 0.16) 0%, transparent 55%);
        z-index: 0;
    }
    .stats-grid {
        position: relative;
        z-index: 1;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    @media (min-width: 1024px) {
        .stats-grid {
            grid-template-columns: repeat(4, 1fr);
        }
    }
    .stat-item {
        text-align: center;
        padding: 0.5rem 0.75rem;
        border-top: 2px solid rgba(16, 185, 129, 0.35);
    }
    .stat-num {
        font-family: "Arial Narrow", Arial, sans-serif;
        font-size: 2.6rem;
        font-weight: 900;
        font-style: italic;
        line-height: 1;
        color: #34D399;
        letter-spacing: -0.02em;
    }
    .stat-label {
        color: rgba(255, 255, 255, 0.6);
        font-size: 0.9rem;
        margin-top: 0.6rem;
    }

    /* ===== 流程时间线 ===== */
    .process-layout {
        display: grid;
        grid-template-columns: 1fr;
        gap: 2.5rem;
        align-items: center;
    }
    @media (min-width: 1024px) {
        .process-layout {
            grid-template-columns: 1.1fr 0.9fr;
            gap: 4rem;
        }
    }
    .timeline {
        position: relative;
        padding-left: 2.4rem;
        margin-top: 2.2rem;
    }
    .timeline::before {
        content: '';
        position: absolute;
        left: 12px;
        top: 10px;
        bottom: 10px;
        width: 2px;
        background: rgba(16, 185, 129, 0.25);
    }
    .timeline-step {
        position: relative;
        margin-bottom: 2.2rem;
    }
    .timeline-step:last-child {
        margin-bottom: 0;
    }
    .timeline-step::before {
        content: '';
        position: absolute;
        left: -2.4rem;
        top: 4px;
        width: 18px;
        height: 18px;
        border-radius: 50%;
        background: var(--brand-500);
        border: 3px solid #FFFFFF;
        box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    }
    .timeline-tag {
        font-family: "Arial Narrow", Arial, sans-serif;
        font-size: 1.5rem;
        font-weight: 900;
        font-style: italic;
        line-height: 1;
        color: var(--brand-500);
        margin-bottom: 0.45rem;
    }
    .timeline-step h3 {
        font-size: 1.1rem;
        font-weight: 700;
        margin: 0 0 0.35rem;
    }
    .timeline-step p {
        color: var(--text-secondary);
        font-size: 0.93rem;
        line-height: 1.65;
        margin: 0;
        max-width: 420px;
    }
    .process-visual img {
        border-radius: 1.8rem;
        box-shadow: 0 20px 48px rgba(15, 23, 42, 0.14);
        border: 1px solid var(--border-light);
        width: 100%;
        object-fit: cover;
    }

    /* ===== FAQ ===== */
    .faq-layout {
        display: grid;
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    @media (min-width: 1024px) {
        .faq-layout {
            grid-template-columns: 1fr 1.4fr;
            gap: 3.5rem;
        }
    }
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
    }
    .faq-item {
        background: var(--card);
        border: 1px solid var(--border-light);
        border-radius: 18px;
        overflow: hidden;
        transition: border-color 0.2s, box-shadow 0.2s;
    }
    .faq-item:hover {
        border-color: rgba(16, 185, 129, 0.35);
    }
    .faq-item[open] {
        border-color: rgba(16, 185, 129, 0.4);
        box-shadow: 0 6px 20px rgba(16, 185, 129, 0.08);
    }
    .faq-item summary {
        list-style: none;
        cursor: pointer;
        padding: 1.1rem 1.25rem;
        font-weight: 600;
        font-size: 0.98rem;
        color: var(--text-primary);
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
        user-select: none;
    }
    .faq-item summary::-webkit-details-marker {
        display: none;
    }
    .faq-item summary .faq-icon {
        color: var(--brand-500);
        font-size: 0.9rem;
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: rgba(16, 185, 129, 0.1);
        transition: transform 0.3s, background 0.2s;
    }
    .faq-item[open] summary .faq-icon {
        transform: rotate(45deg);
        background: rgba(16, 185, 129, 0.2);
    }
    .faq-answer {
        margin: 0 1.25rem 1.2rem 1.25rem;
        padding: 0.8rem 1rem 0.8rem 1.2rem;
        border-left: 3px solid var(--brand-500);
        background: #F8FAFC;
        border-radius: 0 12px 12px 0;
        color: var(--text-secondary);
        font-size: 0.92rem;
        line-height: 1.7;
    }
    .faq-side .link-arrow {
        margin-top: 1.5rem;
    }

    /* ===== CTA ===== */
    .cta-band {
        position: relative;
        background: var(--ink);
        border-radius: 2.2rem;
        overflow: hidden;
        padding: 4rem 1.5rem;
        text-align: center;
        border: 1px solid rgba(255, 255, 255, 0.08);
    }
    @media (min-width: 768px) {
        .cta-band {
            padding: 4.5rem 3rem;
        }
    }
    .cta-band::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
        opacity: 0.35;
    }
    .cta-band::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(11, 18, 32, 0.9) 0%, rgba(5, 150, 105, 0.4) 100%);
    }
    .cta-content {
        position: relative;
        z-index: 2;
    }
    .cta-content h2 {
        color: #FFFFFF;
        font-size: 1.8rem;
        font-weight: 800;
        margin: 0 0 0.6rem;
        letter-spacing: -0.02em;
    }
    @media (min-width: 768px) {
        .cta-content h2 {
            font-size: 2.4rem;
        }
    }
    .cta-content p {
        color: rgba(255, 255, 255, 0.75);
        font-size: 1rem;
        margin-bottom: 1.8rem;
        max-width: 460px;
        margin-left: auto;
        margin-right: auto;
    }

    /* ===== 页脚 ===== */
    .site-footer {
        background: var(--ink);
        border-top: 1px solid var(--border-dark);
        padding: 3.5rem 0 0;
        color: rgba(255, 255, 255, 0.65);
        margin-top: 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    @media (min-width: 768px) {
        .footer-grid {
            grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
            gap: 2rem;
        }
    }
    .footer-brand .f-logo {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        color: #FFFFFF;
        font-weight: 800;
        font-size: 1.05rem;
        margin-bottom: 0.9rem;
    }
    .footer-brand p {
        font-size: 0.9rem;
        line-height: 1.7;
        max-width: 300px;
        margin: 0;
        color: rgba(255, 255, 255, 0.55);
    }
    .footer-col h4,
    .footer-contact h4 {
        color: #FFFFFF;
        font-size: 0.95rem;
        font-weight: 700;
        margin: 0 0 1rem;
    }
    .footer-col a {
        display: block;
        color: rgba(255, 255, 255, 0.6);
        font-size: 0.9rem;
        margin-bottom: 0.55rem;
        transition: color 0.2s, padding-left 0.2s;
    }
    .footer-col a:hover {
        color: var(--brand-500);
        padding-left: 3px;
    }
    .footer-contact p {
        font-size: 0.9rem;
        margin-bottom: 0.55rem;
        color: rgba(255, 255, 255, 0.6);
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    .footer-contact i {
        color: var(--brand-500);
        width: 18px;
        text-align: center;
    }
    .footer-bottom {
        border-top: 1px solid var(--border-dark);
        margin-top: 3rem;
        padding: 1.2rem 0;
    }
    .footer-bottom-inner {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 0.8rem;
    }
    .footer-bottom-inner p {
        font-size: 0.85rem;
        margin: 0;
        color: rgba(255, 255, 255, 0.45);
    }
    .social-links {
        display: flex;
        gap: 0.7rem;
    }
    .social-links a {
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.06);
        color: rgba(255, 255, 255, 0.6);
        font-size: 0.95rem;
        transition: color 0.2s, background 0.2s, transform 0.2s;
    }
    .social-links a:hover {
        color: #FFFFFF;
        background: var(--brand-500);
        transform: translateY(-2px);
    }

    /* ===== 响应式细节 ===== */
    @media (max-width: 640px) {
        .section-title {
            font-size: 1.6rem;
        }
        .category-hero {
            padding-top: 6.8rem;
        }
        .benefit-card .card-img {
            height: 160px;
        }
        .cta-band {
            padding: 3rem 1.2rem;
        }
        .stats-band {
            padding: 2rem 1rem;
        }
    }
    @media (max-width: 420px) {
        .dock-logo {
            font-size: 0.95rem;
        }
        .dock-nav {
            padding: 0.5rem 0.7rem;
        }
        .hero-actions .btn-primary,
        .hero-actions .btn-outline {
            width: 100%;
            justify-content: center;
        }
    }