/* roulang page: index */
:root{
  --primary:#0E5A47;
  --primary-deep:#0A3F31;
  --primary-soft:#E8F5EF;
  --accent:#F3622A;
  --accent-light:#FF8A5C;
  --bg:#F6F8F7;
  --card:#FFFFFF;
  --text:#1E2A28;
  --text-sub:#66736E;
  --border:#E3EBE8;
  --success:#2E7D5B;
  --font-main:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Roboto","Montserrat","Inter",sans-serif;
  --radius-lg:24px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-sm:0 2px 8px rgba(14,90,71,.06);
  --shadow-lg:0 12px 32px rgba(14,90,71,.12);
  --shadow-accent:0 8px 24px rgba(243,98,42,.2);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);background:var(--bg);color:var(--text);font-size:1rem;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:var(--primary);transition:color .2s ease}
a:hover{color:var(--accent)}
button{font-family:inherit;cursor:pointer}
ul,ol{list-style:none}
.container{max-width:1200px}
.bi{font-size:1em}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.btn{border-radius:50px;font-weight:600;font-size:.95rem;padding:.75rem 1.75rem;min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;transition:all .25s ease}
.btn-brand{background:linear-gradient(135deg,#F3622A,#FF8A5C);color:#fff;box-shadow:0 4px 14px rgba(243,98,42,.25)}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(243,98,42,.32);color:#fff}
.btn-brand:active{transform:translateY(0)}
.btn-outline-primary{border:1px solid var(--primary);background:transparent;color:var(--primary)}
.btn-outline-primary:hover{background:var(--primary-soft);color:var(--primary)}
.btn-outline-light{border:1px solid rgba(255,255,255,.65);color:#fff;background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-white{background:#fff;color:var(--accent)}
.btn-white:hover{background:#fff;transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,0,0,.15);color:var(--accent)}
.section-gap{padding:96px 0}
.section-head{margin-bottom:48px}
.section-head h2{font-size:1.9rem;font-weight:700;line-height:1.3;margin-bottom:8px}
.section-head .section-sub{color:var(--text-sub);font-size:.95rem}
.view-all{font-size:.9rem;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:4px;white-space:nowrap}
.view-all:hover{color:var(--accent);gap:7px}
.view-all .bi{font-size:.85rem}
.img-placeholder{position:absolute;inset:0;display:none;align-items:center;justify-content:center;font-size:2.2rem;color:var(--primary);background:var(--primary-soft)}

/* top bar */
.top-bar{background:var(--primary-deep);color:rgba(255,255,255,.7);font-size:.8rem;height:36px;display:flex;align-items:center}
.top-bar .container{display:flex;align-items:center;justify-content:space-between}
.top-bar .tip{letter-spacing:.02em}
.top-bar .top-right{display:flex;align-items:center;gap:14px}
.top-bar .domain{letter-spacing:.08em;color:rgba(255,255,255,.6)}
.top-bar .btn-mini{background:linear-gradient(135deg,#F3622A,#FF8A5C);color:#fff;border-radius:50px;font-size:.72rem;font-weight:600;padding:.2rem .9rem;min-height:24px;display:inline-flex;align-items:center;gap:4px;transition:opacity .2s}
.top-bar .btn-mini:hover{opacity:.85;color:#fff}

/* main nav */
.main-nav{background:#fff;border-bottom:1px solid var(--border);padding:0;min-height:72px}
.main-nav .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap;gap:20px}
.navbar-brand{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:800;color:var(--primary);line-height:1;padding:0}
.navbar-brand:hover{color:var(--primary)}
.navbar-brand svg{flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:32px;margin:0 auto 0 48px}
.nav-links a{font-size:.95rem;font-weight:600;color:var(--text);position:relative;padding:24px 0;transition:color .2s}
.nav-links a:hover{color:var(--primary)}
.nav-links a.active{color:var(--primary)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--accent);border-radius:3px 3px 0 0}
.nav-cta{margin-left:auto}
.nav-cta .btn-brand{padding:.6rem 1.5rem;min-height:40px;font-size:.88rem}
.navbar-toggler{border:0;background:transparent;width:44px;height:44px;padding:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;box-shadow:none!important}
.toggler-bar{display:block;width:24px;height:2px;background:var(--primary);border-radius:2px}

/* offcanvas */
.offcanvas{background:#fff;max-width:280px;border-left:1px solid var(--border)}
.offcanvas-header{padding:20px 24px;border-bottom:1px solid var(--border)}
.offcanvas-title{font-weight:800;color:var(--primary);font-size:1.1rem}
.offcanvas-body{padding:24px}
.offcanvas-body .nav-links-mobile{display:flex;flex-direction:column;gap:18px}
.offcanvas-body .nav-links-mobile a{font-size:1rem;font-weight:600;color:var(--text);padding:6px 0;border-bottom:1px solid #f0f4f2;transition:all .2s}
.offcanvas-body .nav-links-mobile a:hover{color:var(--primary);padding-left:4px}
.offcanvas-body .nav-links-mobile a.active{color:var(--accent)}
.offcanvas-body .btn-brand{width:100%;margin-top:24px}

/* hero */
.hero{background:linear-gradient(135deg,#0E5A47,#0A3F31);position:relative;min-height:86vh;display:flex;align-items:center;overflow:hidden;padding:100px 0 80px}
.hero::before{content:"";position:absolute;top:-20%;right:-5%;width:680px;height:680px;background:radial-gradient(circle,rgba(255,255,255,.07) 0%,transparent 65%);pointer-events:none}
.hero::after{content:"";position:absolute;bottom:-30%;left:-10%;width:520px;height:520px;background:radial-gradient(circle,rgba(255,255,255,.04) 0%,transparent 65%);pointer-events:none}
.hero .container{position:relative;z-index:2}
.hero-left{padding-right:48px}
.hero-tag{display:inline-flex;align-items:center;gap:6px;background:linear-gradient(135deg,#F3622A,#FF8A5C);color:#fff;font-size:.78rem;font-weight:600;padding:.3rem 1rem;border-radius:50px;margin-bottom:22px;box-shadow:0 4px 12px rgba(243,98,42,.3)}
.hero-title{font-size:2.6rem;font-weight:800;line-height:1.2;color:#fff;margin-bottom:18px;letter-spacing:.01em}
.hero-title .highlight{color:#FF8A5C}
.hero-sub{font-size:1.15rem;line-height:1.7;color:rgba(255,255,255,.85);margin-bottom:32px;max-width:480px}
.hero-cta{display:flex;gap:24px;flex-wrap:wrap}
.hero-cta .btn-white{box-shadow:0 8px 24px rgba(0,0,0,.12)}
.hero-features{display:flex;align-items:center;gap:24px;margin-top:56px;color:rgba(255,255,255,.6);font-size:.8rem;flex-wrap:wrap}
.hero-features span{display:flex;align-items:center;gap:6px}
.hero-features .dot{width:3px;height:3px;background:rgba(255,255,255,.4);border-radius:50%}
.hero-visual{position:relative}
.hero-img-wrap{border-radius:24px;padding:6px;background:rgba(255,255,255,.18);box-shadow:0 24px 64px rgba(0,0,0,.25)}
.hero-img-wrap img{width:100%;border-radius:18px;aspect-ratio:4/3;object-fit:cover;background:var(--primary-soft)}
.hero-float-card{position:absolute;left:-24px;bottom:28px;background:#fff;border-radius:14px;padding:16px 22px;box-shadow:0 12px 32px rgba(0,0,0,.16);display:flex;align-items:center;gap:12px;min-width:180px}
.hero-float-card .num{font-family:var(--font-num);font-size:2rem;font-weight:800;color:var(--accent);line-height:1}
.hero-float-card .label{font-size:.8rem;color:var(--text-sub);line-height:1.3}

/* pain points */
.pain-points{background:var(--bg);padding:96px 0}
.pain-points .section-head{text-align:center;margin-bottom:52px}
.pain-points .section-head h2{font-size:1.9rem}
.pain-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px;height:100%;transition:all .25s ease;box-shadow:var(--shadow-sm)}
.pain-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--primary)}
.pain-icon{width:44px;height:44px;background:var(--primary-soft);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--primary);margin-bottom:18px}
.pain-card h3{font-size:1.15rem;font-weight:600;margin-bottom:10px}
.pain-card p{font-size:.875rem;color:var(--text-sub);line-height:1.6;margin:0}

/* solution */
.solution{padding:96px 0;background:linear-gradient(180deg,#E8F5EF,#F6F8F7)}
.solution-block{display:flex;align-items:center;gap:48px;margin-bottom:96px}
.solution-block:last-child{margin-bottom:0}
.solution-text{flex:1}
.solution-text h2{font-size:1.9rem;font-weight:700;line-height:1.3;margin-bottom:14px}
.solution-text .desc{color:var(--text-sub);font-size:1rem;margin-bottom:24px;max-width:480px}
.solution-list{display:flex;flex-direction:column;gap:18px}
.solution-list li{display:flex;gap:12px;align-items:flex-start}
.solution-list .check{width:20px;height:20px;background:var(--success);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.75rem;flex-shrink:0;margin-top:3px}
.solution-list .item-title{font-weight:600;font-size:.95rem}
.solution-list .item-desc{font-size:.875rem;color:var(--text-sub)}
.solution-link{display:inline-flex;align-items:center;gap:4px;font-weight:600;font-size:.9rem;margin-top:26px;color:var(--primary)}
.solution-link:hover{color:var(--accent);gap:7px}
.solution-visual{flex:1;position:relative}
.solution-img-card{border-radius:20px;box-shadow:var(--shadow-lg);overflow:hidden;background:var(--primary-soft);position:relative}
.solution-img-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.badge-float{position:absolute;bottom:20px;right:-14px;background:#fff;border-radius:12px;padding:14px 20px;box-shadow:0 12px 32px rgba(14,90,71,.16);display:flex;align-items:center;gap:10px}
.badge-float .num{font-family:var(--font-num);font-size:1.8rem;font-weight:800;color:var(--accent);line-height:1}
.badge-float .lbl{font-size:.78rem;color:var(--text-sub)}
.solution-block:nth-child(2) .solution-visual{order:-1}
.solution-block:nth-child(2) .solution-visual .badge-float{background:linear-gradient(135deg,#F3622A,#FF8A5C);color:#fff}
.solution-block:nth-child(2) .badge-float .num{color:#fff}
.solution-block:nth-child(2) .badge-float .lbl{color:rgba(255,255,255,.85)}
.solution-block:nth-child(2) .solution-img-card{background:#0A3F31}

/* stats */
.stats{background:linear-gradient(135deg,#0A3F31,#0E5A47);padding:64px 0;position:relative;overflow:hidden}
.stats::before{content:"";position:absolute;top:-80px;right:-60px;width:360px;height:360px;border-radius:50%;background:rgba(255,255,255,.04)}
.stats .container{position:relative;z-index:2}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat-item{display:flex;align-items:center;gap:16px}
.stat-icon{width:48px;height:48px;background:linear-gradient(135deg,#F3622A,#FFB45E);border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.3rem;flex-shrink:0;box-shadow:0 8px 24px rgba(243,98,42,.25)}
.stat-info .num{font-family:var(--font-num);font-size:2.1rem;font-weight:800;color:#fff;line-height:1.1;font-variant-numeric:tabular-nums}
.stat-info .label{color:rgba(255,255,255,.65);font-size:.875rem}

/* testimonials */
.testimonials{background:var(--bg);padding:96px 0}
.testimonials .section-head{text-align:center}
.tm-grid{display:flex;gap:24px;align-items:stretch}
.tm-main{flex:0 0 66.666%;max-width:66.666%}
.tm-side{flex:1;display:flex;flex-direction:column;gap:24px}
.testimonial-card{background:#fff;border-radius:20px;padding:32px;box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:all .25s ease}
.testimonial-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.tm-main .testimonial-card{padding:36px}
.tm-quote-icon{font-size:2.4rem;color:var(--accent);line-height:1;margin-bottom:16px;opacity:.7}
.tm-stars{display:flex;gap:3px;margin-bottom:14px;color:#FFB800;font-size:.95rem}
.tm-text{font-size:1.1rem;line-height:1.8;color:var(--text);margin-bottom:20px}
.tm-side .tm-text{font-size:.95rem;line-height:1.7}
.tm-person{display:flex;align-items:center;gap:12px}
.tm-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#0E5A47,#1A7A60);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}
.tm-name{font-weight:600;font-size:.9rem;color:var(--text)}
.tm-role{font-size:.8rem;color:var(--text-sub)}
.tm-side .tm-person{flex-wrap:wrap;gap:8px 12px}

/* news */
.news-list{background:#fff;padding:96px 0}
.news-list .section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:40px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;height:100%;display:flex;flex-direction:column;transition:all .25s ease;box-shadow:var(--shadow-sm)}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.news-cover{position:relative;aspect-ratio:16/9;background:var(--primary-soft);overflow:hidden}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.news-cat{background:rgba(243,98,42,.1);color:var(--accent);font-size:.75rem;font-weight:600;padding:.15rem .65rem;border-radius:999px}
.news-time{font-size:.8rem;color:var(--text-sub)}
.news-title{font-size:1.05rem;font-weight:600;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.9em}
.news-title a{color:var(--text)}
.news-title a:hover{color:var(--primary)}
.news-desc{font-size:.875rem;color:var(--text-sub);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.news-more{font-size:.85rem;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:4px;margin-top:auto}
.news-more:hover{color:var(--accent);gap:7px}
.news-empty{grid-column:1/-1;background:var(--primary-soft);border-radius:14px;padding:60px 24px;text-align:center;color:var(--text-sub)}
.news-empty .bi{font-size:2.4rem;color:var(--primary);opacity:.4;margin-bottom:12px}
.news-empty p{font-size:.95rem;margin:0}

/* cta banner */
.cta-banner{padding:96px 0}
.cta-inner{background:linear-gradient(135deg,#0E5A47,#0A3F31);border-radius:24px;padding:60px 48px;text-align:center;position:relative;overflow:hidden}
.cta-inner::before{content:"";position:absolute;top:-40%;right:-5%;width:400px;height:400px;border-radius:50%;background:rgba(255,255,255,.05)}
.cta-inner::after{content:"";position:absolute;bottom:-30%;left:10%;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.03)}
.cta-inner h2{font-size:2rem;font-weight:700;color:#fff;margin-bottom:12px;position:relative;z-index:2}
.cta-inner p{color:rgba(255,255,255,.75);font-size:.95rem;margin-bottom:28px;position:relative;z-index:2}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative;z-index:2}
.cta-btns .btn-white{font-weight:700}
.cta-btns .btn-outline-light{border-color:rgba(255,255,255,.5)}

/* footer */
.footer{background:var(--primary-deep);color:rgba(255,255,255,.65);padding:64px 0 32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .f-icon{width:34px;height:34px;border:2px solid rgba(255,255,255,.5);border-radius:50%;position:relative;flex-shrink:0}
.footer-brand .f-icon::after{content:"";position:absolute;width:8px;height:8px;background:var(--accent);border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%)}
.footer-brand span{font-size:1.15rem;font-weight:800;color:#fff}
.footer-desc{font-size:.875rem;line-height:1.7;max-width:300px}
.footer h4{font-size:.95rem;font-weight:600;color:#fff;margin-bottom:18px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.6);font-size:.875rem;transition:all .2s}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-contact li{display:flex;gap:8px;font-size:.875rem;margin-bottom:12px;align-items:flex-start}
.footer-contact .bi{color:var(--accent);margin-top:3px}
.footer-domain{margin-top:16px;font-size:.85rem;color:rgba(255,255,255,.45);letter-spacing:.04em}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:24px;margin-top:48px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:.8rem;color:rgba(255,255,255,.5)}

/* responsive */
@media(max-width:1199.98px){
  .container{max-width:960px}
  .hero-title{font-size:2.2rem}
  .hero-left{padding-right:24px}
  .solution-block{gap:32px}
}
@media(max-width:991.98px){
  .section-gap{padding:72px 0}
  .hero{min-height:auto;padding:72px 0}
  .hero .row{flex-direction:column;gap:40px}
  .hero-left{padding-right:0;text-align:center}
  .hero-sub{margin-left:auto;margin-right:auto}
  .hero-cta{justify-content:center}
  .hero-features{justify-content:center;margin-top:36px}
  .hero-visual{margin-top:8px}
  .hero-float-card{left:10px;bottom:10px}
  .nav-links{display:none}
  .nav-cta{display:none}
  .navbar-toggler{display:flex}
  .pain-grid .col-lg-3{flex:0 0 50%;max-width:50%}
  .solution-block{flex-direction:column;gap:40px;margin-bottom:72px}
  .solution-block:nth-child(2) .solution-visual{order:2}
  .solution-text{text-align:center}
  .solution-text .desc{margin-left:auto;margin-right:auto}
  .solution-list{text-align:left;max-width:420px;margin:0 auto}
  .solution-link{justify-content:center}
  .solution-img-card{max-width:520px;margin:0 auto}
  .badge-float{right:0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:40px 24px}
  .tm-grid{flex-direction:column}
  .tm-main{flex:0 0 100%;max-width:100%}
  .tm-side{flex-direction:row}
  .tm-side .testimonial-card{flex:1}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer .col-lg-3{margin-bottom:36px}
}
@media(max-width:767.98px){
  .section-gap{padding:56px 0}
  .top-bar .tip{display:none}
  .hero{padding:56px 0}
  .hero-title{font-size:1.9rem}
  .hero-sub{font-size:1rem}
  .hero-cta{gap:16px}
  .hero-cta .btn{padding:.7rem 1.4rem;font-size:.9rem}
  .hero-features{gap:14px;font-size:.75rem}
  .hero-float-card{padding:12px 16px;min-width:140px}
  .hero-float-card .num{font-size:1.4rem}
  .pain-grid .col-lg-3{flex:0 0 100%;max-width:100%}
  .solution-text h2{font-size:1.4rem}
  .testimonials{padding:56px 0}
  .tm-side{flex-direction:column}
  .tm-main .testimonial-card{padding:24px}
  .tm-text{font-size:.95rem}
  .news-grid{grid-template-columns:1fr}
  .cta-inner{padding:40px 24px}
  .cta-inner h2{font-size:1.5rem}
  .cta-btns .btn{width:100%}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:575.98px){
  .container{padding-left:20px;padding-right:20px}
  .top-bar .domain{font-size:.68rem}
  .hero-tag{font-size:.7rem}
  .hero-title{font-size:1.7rem}
  .hero-sub{font-size:.95rem}
  .section-head h2{font-size:1.5rem}
  .news-body{padding:16px}
  .news-empty{padding:40px 20px}
}

/* roulang page: category1 */
:root {
            --primary: #0E5A47;
            --primary-deep: #0A3F31;
            --primary-soft: #E8F5EF;
            --accent: #F3622A;
            --accent-light: #FF8A5C;
            --bg: #F6F8F7;
            --card: #FFFFFF;
            --text: #1E2A28;
            --text-sub: #66736E;
            --border: #E3EBE8;
            --success: #2E7D5B;
            --radius-lg: 24px;
            --radius-md: 14px;
            --radius-sm: 12px;
            --radius-pill: 50px;
            --shadow-sm: 0 2px 8px rgba(14, 90, 71, 0.06);
            --shadow-lg: 0 12px 32px rgba(14, 90, 71, 0.12);
            --shadow-accent: 0 8px 24px rgba(243, 98, 42, 0.2);
            --font-cn: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Roboto", "Montserrat", "Inter", sans-serif;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 顶部信息条 ===== */
        .top-bar {
            background: var(--primary-deep);
            height: 36px;
            display: flex;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
        }

        .top-bar .tip {
            letter-spacing: 0.02em;
        }

        .top-bar .top-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .top-bar .domain {
            letter-spacing: 0.08em;
            font-size: 0.75rem;
        }

        .btn-mini {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: linear-gradient(135deg, #F3622A, #FF8A5C);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            height: 24px;
            padding: 0 14px;
            border-radius: var(--radius-pill);
            transition: var(--transition);
        }

        .btn-mini:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-accent);
            color: #fff;
        }

        /* ===== 主导航 ===== */
        .main-nav {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
            min-height: 72px;
            box-shadow: 0 2px 12px rgba(10, 63, 49, 0.04);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            flex-wrap: nowrap;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
        }

        .navbar-brand svg {
            flex-shrink: 0;
        }

        .navbar-brand:hover {
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            padding: 8px 4px;
            position: relative;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 3px;
            border-radius: 4px;
            background: var(--accent);
            opacity: 0;
            transform: scaleX(0.4);
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            opacity: 1;
            transform: scaleX(1);
        }

        .nav-links a.active {
            color: var(--primary);
        }

        .nav-cta .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #F3622A, #FF8A5C);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-pill);
            border: none;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-cta .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-accent);
            color: #fff;
        }

        .nav-cta .btn-brand:active {
            transform: translateY(0);
        }

        .navbar-toggler {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: var(--primary-soft);
        }

        .toggler-bar {
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* ===== 页面英雄区 ===== */
        .page-hero {
            background: linear-gradient(135deg, var(--primary), var(--primary-deep));
            padding: 84px 0 96px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: 20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 138, 92, 0.08);
            pointer-events: none;
        }

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

        .page-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .page-hero .hero-sub {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 640px;
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 32px;
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.8);
        }

        .breadcrumb-custom a:hover {
            color: #fff;
        }

        .breadcrumb-custom .sep {
            opacity: 0.5;
        }

        .breadcrumb-custom .current {
            color: var(--accent-light);
            font-weight: 600;
        }

        /* ===== 核心优势区 ===== */
        .features {
            padding: 96px 0;
            background: #fff;
        }

        .features .feature-wrap {
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .feature-text {
            flex: 1;
        }

        .feature-text .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .feature-text h2 {
            font-size: 1.9rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--text);
        }

        .feature-text .lead-text {
            color: var(--text-sub);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .feature-list .feature-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .feature-list .check-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--success);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 4px;
        }

        .feature-list .check-icon svg {
            width: 12px;
            height: 12px;
            color: #fff;
        }

        .feature-list .feature-title {
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .feature-list .feature-desc {
            font-size: 0.875rem;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 0;
        }

        .feature-visual {
            flex: 1;
            position: relative;
        }

        .feature-visual img {
            border-radius: 20px;
            box-shadow: 0 16px 48px rgba(10, 63, 49, 0.18);
            width: 100%;
            height: 340px;
            object-fit: cover;
            background: var(--primary-soft);
        }

        .feature-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: #fff;
            border-radius: var(--radius-sm);
            padding: 14px 20px;
            box-shadow: 0 8px 24px rgba(14, 90, 71, 0.18);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .feature-badge .num {
            font-family: var(--font-num);
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .feature-badge .label {
            font-size: 0.875rem;
            color: var(--text-sub);
            line-height: 1.3;
        }

        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            margin-top: 28px;
            border-bottom: 2px solid var(--primary);
            padding-bottom: 4px;
            transition: var(--transition);
        }

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

        /* ===== 服务内容卡片区 ===== */
        .service-grid-section {
            padding: 96px 0;
            background: var(--bg);
        }

        .section-head {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-head .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: 1.9rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-head .section-sub {
            color: var(--text-sub);
            font-size: 0.95rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .service-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(14, 90, 71, 0.2);
        }

        .service-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            background: var(--primary-soft);
            aspect-ratio: 16/10;
        }

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

        .service-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .service-card .tag-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: linear-gradient(135deg, #F3622A, #FFB45E);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            box-shadow: 0 4px 12px rgba(243, 98, 42, 0.3);
        }

        .service-card .card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .service-card .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .service-card .card-desc {
            font-size: 0.875rem;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 20px;
            flex: 1;
        }

        .service-card .card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.875rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            padding: 8px 0;
            min-height: 44px;
        }

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

        .service-card .card-link i {
            font-size: 0.85rem;
            transition: transform 0.3s;
        }

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

        /* ===== 服务流程区 ===== */
        .process-section {
            padding: 96px 0;
            background: linear-gradient(180deg, #E8F5EF, #F6F8F7);
            position: relative;
            overflow: hidden;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-top: 40px;
        }

        .process-step {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            position: relative;
            height: 100%;
            transition: var(--transition);
        }

        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #F3622A, #FF8A5C);
            color: #fff;
            font-family: var(--font-num);
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 16px;
            box-shadow: 0 8px 20px rgba(243, 98, 42, 0.25);
        }

        .process-step h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 0.875rem;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== 适用场景区 ===== */
        .scenario-section {
            padding: 96px 0;
            background: #fff;
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
            margin-top: 48px;
        }

        .scenario-card {
            display: flex;
            gap: 24px;
            padding: 32px;
            background: var(--bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            transition: var(--transition);
            align-items: flex-start;
        }

        .scenario-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .scenario-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.5rem;
            color: var(--primary);
        }

        .scenario-content h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .scenario-content p {
            font-size: 0.875rem;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== FAQ区 ===== */
        .faq-section {
            padding: 96px 0;
            background: var(--bg);
        }

        .faq-wrap {
            max-width: 880px;
            margin: 48px auto 0;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(14, 90, 71, 0.3);
        }

        .faq-item:last-child {
            margin-bottom: 0;
        }

        .faq-item .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: none;
            border: none;
            font-family: inherit;
            line-height: 1.5;
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
            transition: var(--transition);
        }

        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        .faq-item .faq-answer-inner {
            border-top: 1px solid var(--border);
            padding: 16px 0 20px;
            font-size: 0.875rem;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* ===== CTA横幅 ===== */
        .cta-banner {
            padding: 80px 0;
        }

        .cta-card {
            background: linear-gradient(135deg, var(--primary), var(--primary-deep));
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -40px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 10%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(243, 98, 42, 0.15);
        }

        .cta-card h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }

        .cta-card p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 32px;
            position: relative;
            z-index: 2;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .btn-primary-solid {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #F3622A, #FF8A5C);
            color: #fff;
            font-weight: 600;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-pill);
            border: none;
            transition: var(--transition);
            min-height: 44px;
        }

        .btn-primary-solid:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-accent);
            color: #fff;
        }

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

        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-weight: 600;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-pill);
            background: transparent;
            transition: var(--transition);
            min-height: 44px;
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #0A3F31;
            color: rgba(255, 255, 255, 0.65);
            padding-top: 64px;
            padding-bottom: 32px;
            font-size: 0.875rem;
        }

        .footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer .f-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, #F3622A, #FF8A5C);
            position: relative;
            flex-shrink: 0;
        }

        .footer .f-icon::after {
            content: '';
            position: absolute;
            inset: 6px;
            border-radius: 50%;
            border: 2px solid #fff;
            opacity: 0.7;
        }

        .footer .footer-desc {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.875rem;
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 280px;
        }

        .footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            margin-top: 8px;
        }

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

        .footer .footer-links li {
            margin-bottom: 8px;
        }

        .footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            line-height: 1.6;
        }

        .footer .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

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

        .footer .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.5;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 48px;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom span {
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== 移动端导航 ===== */
        .offcanvas {
            width: 280px !important;
        }

        .offcanvas .offcanvas-header {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border);
        }

        .offcanvas .btn-close {
            background: none;
            border: none;
            font-size: 1.2rem;
            color: var(--text);
            opacity: 0.6;
        }

        .offcanvas .offcanvas-body {
            padding: 24px;
        }

        .offcanvas .nav-links-mobile {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 24px;
        }

        .offcanvas .nav-links-mobile a {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            padding: 12px 16px;
            border-radius: 10px;
            transition: var(--transition);
        }

        .offcanvas .nav-links-mobile a:hover,
        .offcanvas .nav-links-mobile a.active {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .offcanvas .btn-brand-mobile {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #F3622A, #FF8A5C);
            color: #fff;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            width: 100%;
            min-height: 44px;
            transition: var(--transition);
        }

        .offcanvas .btn-brand-mobile:hover {
            box-shadow: var(--shadow-accent);
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991.98px) {
            .nav-links,
            .nav-cta {
                display: none;
            }

            .navbar-toggler {
                display: flex;
            }

            .feature-wrap {
                flex-direction: column;
            }

            .feature-visual img {
                height: 300px;
            }

            .page-hero {
                padding: 60px 0 72px;
            }

            .page-hero h1 {
                font-size: 2rem;
            }

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

            .features,
            .service-grid-section,
            .process-section,
            .scenario-section,
            .faq-section {
                padding: 64px 0;
            }

            .process-steps {
                gap: 20px;
            }
        }

        @media (max-width: 767.98px) {
            .top-bar .tip {
                display: none;
            }

            .top-bar .container {
                justify-content: flex-end;
            }

            .main-nav .container {
                min-height: 64px;
            }

            .main-nav {
                min-height: 64px;
            }

            .navbar-brand {
                font-size: 1.1rem;
            }

            .page-hero {
                padding: 48px 0 56px;
            }

            .page-hero h1 {
                font-size: 1.75rem;
            }

            .page-hero .hero-sub {
                font-size: 0.875rem;
            }

            .section-head h2 {
                font-size: 1.4rem;
            }

            .feature-text h2,
            .cta-card h2 {
                font-size: 1.4rem;
            }

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

            .scenario-card {
                padding: 24px;
                flex-direction: column;
                gap: 16px;
            }

            .cta-card {
                padding: 48px 24px;
            }

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

            .cta-actions .btn-primary-solid,
            .cta-actions .btn-ghost-light {
                width: 100%;
                justify-content: center;
            }

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

            .footer {
                padding-top: 48px;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .feature-visual img {
                height: 240px;
            }

            .feature-badge {
                padding: 10px 14px;
                bottom: 12px;
                left: 12px;
            }

            .feature-badge .num {
                font-size: 1.6rem;
            }

            .service-card .card-body {
                padding: 20px;
            }

            .top-bar .domain {
                letter-spacing: 0.04em;
                font-size: 0.7rem;
            }
        }

        /* ===== 图片占位兜底 ===== */
        img {
            background: var(--primary-soft);
        }

        /* ===== 通用 ===== */
        .text-accent {
            color: var(--accent);
        }

/* roulang page: article */
:root {
            --primary: #0E5A47;
            --primary-deep: #0A3F31;
            --primary-soft: #E8F5EF;
            --accent: #F3622A;
            --accent-light: #FF8A5C;
            --bg: #F6F8F7;
            --card: #FFFFFF;
            --text: #1E2A28;
            --text-sub: #66736E;
            --border: #E3EBE8;
            --success: #2E7D5B;
            --radius-lg: 24px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(14, 90, 71, 0.06);
            --shadow-lg: 0 12px 32px rgba(14, 90, 71, 0.12);
            --gradient-brand: linear-gradient(135deg, #0E5A47, #0A3F31);
            --gradient-accent: linear-gradient(135deg, #F3622A, #FF8A5C);
            --font-main: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Roboto", "Montserrat", "Inter", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            background: var(--primary-soft);
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .img-error {
            visibility: hidden;
        }

        .top-bar {
            background: var(--primary-deep);
            height: 36px;
            width: 100%;
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .top-bar .tip {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.8rem;
        }
        .top-bar .top-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .top-bar .domain {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.78rem;
            letter-spacing: 0.04em;
        }
        .top-bar .btn-mini {
            background: var(--gradient-accent);
            color: #fff;
            border-radius: 50px;
            height: 24px;
            padding: 0 0.85rem;
            font-size: 0.78rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            border: none;
            transition: opacity 0.25s ease;
        }
        .top-bar .btn-mini:hover {
            opacity: 0.88;
            color: #fff;
        }

        .main-nav {
            background: #fff;
            position: sticky;
            top: 0;
            z-index: 1030;
            border-bottom: 1px solid var(--border);
            height: 72px;
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            height: 100%;
            gap: 32px;
        }
        .main-nav .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
        }
        .main-nav .navbar-brand svg {
            flex-shrink: 0;
        }
        .main-nav .nav-links {
            display: flex;
            gap: 32px;
            margin-left: auto;
            align-items: center;
        }
        .main-nav .nav-links a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            padding: 6px 2px;
            position: relative;
        }
        .main-nav .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
            transition: width 0.3s ease;
        }
        .main-nav .nav-links a:hover::after,
        .main-nav .nav-links a.active::after {
            width: 100%;
        }
        .main-nav .nav-links a.active {
            color: var(--primary);
        }
        .main-nav .nav-cta {
            margin-left: 8px;
        }
        .btn-brand {
            background: var(--gradient-accent);
            color: #fff;
            border-radius: 50px;
            padding: 0.65rem 1.6rem;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }
        .btn-brand:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(243, 98, 42, 0.3);
        }
        .btn-brand:active {
            transform: translateY(0);
        }
        .btn-outline-light-custom {
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            background: transparent;
            border-radius: 50px;
            padding: 0.65rem 1.6rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: background 0.25s ease;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }
        .navbar-toggler {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 8px;
            cursor: pointer;
        }
        .navbar-toggler .toggler-bar {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        @media (max-width: 991px) {
            .main-nav {
                height: 64px;
            }
            .main-nav .nav-links,
            .main-nav .nav-cta {
                display: none;
            }
            .navbar-toggler {
                display: flex;
                margin-left: auto;
            }
        }

        .offcanvas {
            width: 280px !important;
            background: #fff;
        }
        .offcanvas .offcanvas-body .nav-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .offcanvas .offcanvas-body .nav-links a {
            padding: 12px 14px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
        }
        .offcanvas .offcanvas-body .nav-links a.active {
            background: var(--primary-soft);
            color: var(--primary);
        }
        .offcanvas .offcanvas-body .nav-cta {
            margin-top: 20px;
        }
        .offcanvas .offcanvas-body .nav-cta .btn-brand {
            width: 100%;
            justify-content: center;
        }

        /* ===== 文章头部区 ===== */
        .article-hero {
            background: linear-gradient(180deg, #F0F7F3, #FFFFFF 85%);
            border-bottom: 1px solid var(--border);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(14, 90, 71, 0.08), transparent 70%);
            pointer-events: none;
        }
        .article-hero .breadcrumb-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-sub);
            margin-bottom: 22px;
        }
        .article-hero .breadcrumb-nav a {
            color: var(--text-sub);
        }
        .article-hero .breadcrumb-nav a:hover {
            color: var(--accent);
        }
        .article-hero .breadcrumb-nav .sep {
            color: #B8C6C0;
        }
        .article-hero .breadcrumb-nav .current {
            color: var(--text);
            font-weight: 500;
            max-width: 420px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .article-hero h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            max-width: 900px;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 24px;
            color: var(--text-sub);
            font-size: 0.875rem;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta i {
            color: var(--primary);
            font-size: 1rem;
        }

        /* ===== 文章正文区 ===== */
        .article-body {
            background: #fff;
            padding: 64px 0 80px;
        }
        .article-wrap {
            max-width: 860px;
        }
        .article-content {
            max-width: 760px;
            margin: 0 auto;
            font-size: 17px;
            line-height: 1.9;
            color: #3A4A45;
        }
        .article-content h2 {
            font-size: 1.4rem;
            font-weight: 700;
            margin: 32px 0 14px;
            color: var(--text);
            border-left: 4px solid var(--primary);
            padding-left: 14px;
        }
        .article-content h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 26px 0 10px;
            color: var(--text);
        }
        .article-content p {
            margin-bottom: 18px;
        }
        .article-content img {
            border-radius: 12px;
            display: block;
            margin: 24px auto;
            max-width: 100%;
            background: var(--primary-soft);
        }
        .article-content ul,
        .article-content ol {
            padding-left: 24px;
            margin: 16px 0 20px;
        }
        .article-content li {
            margin-bottom: 8px;
            line-height: 1.8;
        }
        .article-content blockquote {
            border-left: 3px solid var(--primary);
            background: var(--primary-soft);
            padding: 16px 22px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
            color: #426055;
            font-size: 0.95rem;
        }
        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content a:hover {
            color: var(--accent);
        }

        .article-empty {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border);
        }
        .article-empty i {
            font-size: 3rem;
            color: #B8C6C0;
            margin-bottom: 16px;
        }
        .article-empty h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .article-empty p {
            color: var(--text-sub);
            margin-bottom: 24px;
        }

        /* ===== 相关推荐 ===== */
        .recommend-section {
            background: var(--bg);
            padding: 80px 0;
        }
        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 36px;
            gap: 16px;
        }
        .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            margin: 0;
        }
        .section-title span {
            color: var(--accent);
        }
        .recommend-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .recommend-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .recommend-card .rc-cover {
            position: relative;
            display: block;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--primary-soft);
        }
        .recommend-card .rc-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .recommend-card .rc-tag {
            position: absolute;
            left: 14px;
            top: 14px;
            background: var(--gradient-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            box-shadow: 0 4px 12px rgba(243, 98, 42, 0.2);
        }
        .recommend-card .rc-body {
            padding: 20px 22px;
        }
        .recommend-card .rc-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .recommend-card .rc-body h3 a {
            color: var(--text);
        }
        .recommend-card .rc-body h3 a:hover {
            color: var(--primary);
        }
        .recommend-card .rc-body .rc-date {
            font-size: 0.8rem;
            color: var(--text-sub);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .recommend-section .back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            margin-top: 32px;
            transition: color 0.25s ease;
        }
        .recommend-section .back-link:hover {
            color: var(--accent);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
            padding: 80px 0;
        }
        .faq-wrap {
            max-width: 880px;
            margin: 0 auto;
        }
        .faq-item {
            margin-bottom: 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: #fff;
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            width: 100%;
            background: transparent;
            border: none;
            padding: 20px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            cursor: pointer;
        }
        .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease;
        }
        .faq-item[aria-expanded="true"] .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--text-sub);
            line-height: 1.7;
            border-top: 1px dashed var(--border);
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg);
        }
        .cta-banner {
            background: var(--gradient-brand);
            border-radius: var(--radius-lg);
            padding: 72px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            color: #fff;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.08);
            top: -100px;
            right: -60px;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.06);
            bottom: -60px;
            left: -30px;
        }
        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .cta-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn-cta-primary {
            background: #fff;
            color: var(--accent);
            border-radius: 50px;
            padding: 0.8rem 2rem;
            font-weight: 700;
            border: none;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }
        .cta-banner .btn-cta-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
            color: var(--accent);
        }
        .cta-banner .btn-cta-ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            border-radius: 50px;
            padding: 0.8rem 2rem;
            font-weight: 600;
            transition: background 0.25s ease;
        }
        .cta-banner .btn-cta-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.65);
            padding: 64px 0 32px;
        }
        .footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer .f-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid #fff;
            position: relative;
            flex-shrink: 0;
        }
        .footer .f-icon::after {
            content: '';
            position: absolute;
            inset: 8px;
            border-radius: 50%;
            background: var(--accent);
        }
        .footer .footer-desc {
            font-size: 0.875rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }
        .footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer .footer-links li {
            margin-bottom: 10px;
        }
        .footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.875rem;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }
        .footer .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer .footer-contact {
            list-style: none;
            padding: 0;
        }
        .footer .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer .footer-contact li i {
            color: var(--accent-light);
            font-size: 0.95rem;
            margin-top: 2px;
        }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 40px;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .article-hero {
                padding: 48px 0 40px;
            }
            .article-hero h1 {
                font-size: 1.9rem;
            }
            .article-body {
                padding: 48px 0 64px;
            }
            .recommend-section {
                padding: 64px 0;
            }
            .faq-section {
                padding: 64px 0;
            }
            .cta-section {
                padding: 64px 0;
            }
            .cta-banner {
                padding: 56px 32px;
            }
            .cta-banner h2 {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 767px) {
            .top-bar .tip {
                display: none;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-meta {
                gap: 14px;
                row-gap: 6px;
            }
            .article-content {
                font-size: 16px;
            }
            .article-content h2 {
                font-size: 1.2rem;
            }
            .recommend-section .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-banner {
                padding: 44px 20px;
                border-radius: 18px;
            }
            .cta-banner h2 {
                font-size: 1.45rem;
            }
            .cta-banner .cta-btns {
                flex-direction: column;
                width: 100%;
            }
            .cta-banner .btn-cta-primary,
            .cta-banner .btn-cta-ghost {
                width: 100%;
                text-align: center;
            }
            .footer {
                padding: 48px 0 24px;
            }
        }
        @media (max-width: 575px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .article-hero .breadcrumb-nav .current {
                max-width: 240px;
            }
            .recommend-card .rc-body h3 {
                font-size: 0.98rem;
            }
        }

/* roulang page: category2 */
:root{
  --primary:#0E5A47;
  --primary-deep:#0A3F31;
  --primary-soft:#E8F5EF;
  --accent:#F3622A;
  --accent-light:#FF8A5C;
  --bg:#F6F8F7;
  --card:#FFFFFF;
  --text:#1E2A28;
  --text-sub:#66736E;
  --border:#E3EBE8;
  --success:#2E7D5B;
  --radius-lg:24px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-card:0 2px 8px rgba(14,90,71,0.06);
  --shadow-hover:0 12px 32px rgba(14,90,71,0.12);
  --shadow-accent:0 8px 24px rgba(243,98,42,0.2);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Roboto","Montserrat","Inter",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{max-width:100%;display:block}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.3}
p{margin:0}
button{font-family:inherit}
i{line-height:1}
.container{max-width:1200px}
/* 顶部信息条 */
.top-bar{
  background:var(--primary-deep);
  height:36px;
  font-size:.8rem;
  color:rgba(255,255,255,.7);
}
.top-bar .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.top-bar .tip{letter-spacing:.02em}
.top-right{display:flex;align-items:center;gap:16px}
.top-right .domain{letter-spacing:.08em;font-family:var(--font-num)}
.btn-mini{
  display:inline-flex;align-items:center;gap:4px;
  background:linear-gradient(135deg,#F3622A,#FF8A5C);
  color:#fff;font-size:.75rem;font-weight:600;
  border-radius:50px;height:24px;padding:.2rem .75rem;
  box-shadow:var(--shadow-accent);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-mini:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(243,98,42,.3);color:#fff}
/* 主导航 */
.main-nav{
  background:#fff;
  border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:1020;
  height:72px;
}
.main-nav .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.navbar-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:1.25rem;font-weight:800;color:var(--primary);
  letter-spacing:.02em;
}
.navbar-brand svg{flex-shrink:0}
.navbar-brand:hover{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{
  position:relative;
  font-size:.95rem;font-weight:600;color:var(--text);
  padding:8px 2px;letter-spacing:.01em;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;
  height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent-light));
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--primary)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-cta .btn-brand{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,#F3622A,#FF8A5C);
  color:#fff;border:none;border-radius:50px;
  font-weight:600;font-size:.95rem;
  padding:.6rem 1.4rem;
  box-shadow:var(--shadow-accent);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta .btn-brand:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(243,98,42,.32);filter:brightness(1.05);color:#fff}
.nav-cta .btn-brand:active{transform:translateY(0)}
.navbar-toggler{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border:none;background:transparent;padding:0;
}
.toggler-bar{display:block;width:22px;height:2px;background:var(--primary);border-radius:2px}
.navbar-toggler:focus{outline:none;box-shadow:0 0 0 4px rgba(14,90,71,.1)}
/* Offcanvas 移动端 */
.offcanvas{background:#fff;width:280px!important;}
.offcanvas-header{background:var(--primary-deep);color:#fff;padding:20px}
.offcanvas-header .offcanvas-title{font-weight:800;font-size:1.15rem}
.offcanvas-header .btn-close{filter:invert(1) brightness(2)}
.offcanvas-body{padding:24px;display:flex;flex-direction:column;gap:6px}
.offcanvas-body .m-link{
  display:block;padding:14px 16px;border-radius:12px;
  font-size:1rem;font-weight:600;color:var(--text);
  transition:background .2s ease,color .2s ease;
}
.offcanvas-body .m-link:hover{background:var(--primary-soft);color:var(--primary)}
.offcanvas-body .m-link.active{background:var(--primary-soft);color:var(--primary)}
/* 通用按钮 */
.btn{
  border-radius:50px;font-weight:600;transition:all .2s ease;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
}
.btn-lg{padding:.85rem 2rem;font-size:1rem}
.btn-brand{
  background:linear-gradient(135deg,#F3622A,#FF8A5C);
  color:#fff;border:none;box-shadow:var(--shadow-accent);
}
.btn-brand:hover{transform:translateY(-2px);color:#fff;box-shadow:0 12px 30px rgba(243,98,42,.32)}
.btn-brand:active{transform:translateY(0)}
.btn-white{
  background:#fff;color:var(--accent);border:none;box-shadow:var(--shadow-card);
}
.btn-white:hover{transform:translateY(-2px);color:var(--accent);box-shadow:var(--shadow-hover)}
.btn-ghost{
  background:transparent;border:1px solid rgba(255,255,255,.7);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.btn-outline-green{
  background:transparent;border:1px solid var(--primary);color:var(--primary);
}
.btn-outline-green:hover{background:var(--primary-soft);color:var(--primary)}
/* 分类Hero */
.cat-hero{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,#0A3F31,#0E5A47);
  padding:88px 0 72px;
  color:#fff;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.22;pointer-events:none;
}
.cat-hero::after{
  content:"";
  position:absolute;bottom:-80px;right:-60px;
  width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,138,92,.2),transparent 65%);
  pointer-events:none;
}
.hero-content{position:relative;z-index:2}
.hero-crumb{
  display:flex;align-items:center;gap:8px;
  font-size:.875rem;color:rgba(255,255,255,.7);margin-bottom:20px;
}
.hero-crumb a{color:rgba(255,255,255,.7)}
.hero-crumb a:hover{color:#fff}
.hero-crumb .sep{opacity:.6}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:linear-gradient(135deg,#F3622A,#FF8A5C);
  border-radius:50px;padding:.35rem 1rem;
  font-size:.8rem;font-weight:600;letter-spacing:.04em;
  box-shadow:var(--shadow-accent);margin-bottom:18px;
}
.cat-hero h1{
  font-size:2.4rem;font-weight:800;line-height:1.2;
  letter-spacing:.02em;margin-bottom:16px;
}
.hero-sub{
  max-width:640px;font-size:1rem;color:rgba(255,255,255,.88);
  line-height:1.8;margin-bottom:28px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-platform{
  display:flex;gap:24px;margin-top:40px;
  font-size:.8rem;color:rgba(255,255,255,.6);
}
.hero-platform span{display:inline-flex;align-items:center;gap:6px}
/* 通用板块 */
.section-block{padding:96px 0}
.section-block.alt-bg{background:linear-gradient(180deg,#E8F5EF,#F6F8F7)}
.section-head{text-align:center;max-width:680px;margin:0 auto 56px}
.section-eyebrow{
  display:inline-block;font-family:var(--font-num);
  font-size:.8rem;font-weight:700;letter-spacing:.14em;
  color:var(--accent);text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{font-size:1.9rem;font-weight:700;color:var(--text);margin-bottom:12px}
.section-head p{color:var(--text-sub);font-size:.95rem;line-height:1.7}
/* 等级区 */
.levels{background:var(--bg)}
.level-intro{
  display:flex;align-items:center;justify-content:center;gap:12px;
  background:var(--primary-soft);border:1px solid rgba(14,90,71,.12);
  border-radius:var(--radius-md);padding:14px 24px;
  font-size:.9rem;color:var(--text-sub);
  margin-bottom:32px;text-align:center;flex-wrap:wrap;
}
.level-intro .badge{
  background:linear-gradient(135deg,#F3622A,#FF8A5C);
  color:#fff;border-radius:50px;padding:.3rem .8rem;font-weight:600;
}
.level-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:28px 24px;
  height:100%;box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  position:relative;overflow:hidden;
}
.level-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(243,98,42,.3);
}
.level-card .level-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.level-num{
  font-family:var(--font-num);font-size:1.9rem;font-weight:800;
  color:var(--primary);line-height:1;
}
.level-name{font-size:1.05rem;font-weight:700;color:var(--text)}
.level-threshold{
  display:inline-block;background:var(--primary-soft);color:var(--primary);
  font-family:var(--font-num);font-size:.8rem;font-weight:600;
  border-radius:50px;padding:.25rem .8rem;margin-bottom:16px;
}
.level-list li{
  display:flex;align-items:flex-start;gap:8px;
  font-size:.875rem;color:var(--text-sub);line-height:1.6;
  padding:6px 0;border-bottom:1px dashed var(--border);
}
.level-list li:last-child{border-bottom:none}
.level-list i{color:var(--success);font-size:.8rem;transform:translateY(4px)}
.level-card.hot{background:linear-gradient(135deg,#0A3F31,#0E5A47);color:#fff;border:none}
.level-card.hot .level-num{color:#FF8A5C}
.level-card.hot .level-name{color:#fff}
.level-card.hot .level-threshold{background:rgba(255,255,255,.15);color:#fff}
.level-card.hot .level-list li{color:rgba(255,255,255,.8);border-color:rgba(255,255,255,.15)}
.level-card.hot .level-list i{color:#FF8A5C}
.level-card .hot-flag{
  position:absolute;top:0;right:0;
  background:linear-gradient(135deg,#F3622A,#FF8A5C);
  color:#fff;font-size:.7rem;font-weight:600;
  border-radius:0 14px 0 14px;padding:.25rem .9rem;
  letter-spacing:.05em;
}
/* 权益区 */
.benefits{background:var(--bg)}
.benefit-row{
  margin-bottom:64px;align-items:center;
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:32px;
  box-shadow:var(--shadow-card);
}
.benefit-row:last-child{margin-bottom:0}
.benefit-tag{
  display:inline-block;background:var(--primary-soft);color:var(--primary);
  font-size:.8rem;font-weight:600;border-radius:50px;
  padding:.3rem .9rem;margin-bottom:16px;
}
.benefit-copy h3{font-size:1.5rem;font-weight:700;margin-bottom:12px;color:var(--text)}
.benefit-copy>p{color:var(--text-sub);font-size:.95rem;line-height:1.7;margin-bottom:20px}
.feature-list{display:flex;flex-direction:column;gap:16px}
.feature-list li{display:flex;align-items:flex-start;gap:12px}
.feature-list .check-icon{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  background:linear-gradient(135deg,#2E7D5B,#0E5A47);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:.75rem;font-weight:700;margin-top:2px;
}
.feature-list strong{font-size:.95rem;font-weight:600;display:block;color:var(--text)}
.feature-list span{font-size:.84rem;color:var(--text-sub);line-height:1.5}
.benefit-img{position:relative}
.benefit-img img{
  width:100%;border-radius:var(--radius-lg);
  background:var(--primary-soft);
  object-fit:cover;min-height:240px;
}
.float-badge{
  position:absolute;left:-8px;bottom:24px;
  background:#fff;border-radius:14px;box-shadow:var(--shadow-hover);
  padding:12px 18px;font-family:var(--font-num);
  font-size:1.1rem;font-weight:800;color:var(--accent);
  text-align:center;line-height:1.25;
}
.float-badge small{display:block;font-family:var(--font-cn);font-size:.72rem;color:var(--text-sub);font-weight:400;margin-top:2px}
.benefit-row.reverse .float-badge{
  background:linear-gradient(135deg,#F3622A,#FF8A5C);
  color:#fff;box-shadow:var(--shadow-accent);
}
.benefit-row.reverse .float-badge small{color:rgba(255,255,255,.85)}
/* 成长路径 */
.path-section{background:linear-gradient(180deg,#E8F5EF,#F6F8F7)}
.path-steps{margin-top:10px}
.path-step{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:28px 24px;height:100%;
  box-shadow:var(--shadow-card);text-align:center;
  transition:transform .25s ease,box-shadow .25s ease;
  position:relative;
}
.path-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:50%;
  background:linear-gradient(135deg,#F3622A,#FF8A5C);
  color:#fff;font-family:var(--font-num);font-weight:800;font-size:1.1rem;
  box-shadow:var(--shadow-accent);margin-bottom:18px;
}
.path-step h4{font-size:1.1rem;font-weight:700;margin-bottom:10px;color:var(--text)}
.path-step p{font-size:.875rem;color:var(--text-sub);line-height:1.6}
.path-line{position:relative}
/* 数据带 */
.stat-band{
  background:linear-gradient(135deg,#0A3F31,#0E5A47);
  padding:64px 0;position:relative;overflow:hidden;
}
.stat-band::before{
  content:"";position:absolute;top:-60px;left:10%;
  width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.04);
}
.stat-band::after{
  content:"";position:absolute;bottom:-40px;right:6%;
  width:200px;height:200px;border-radius:50%;
  background:rgba(255,255,255,.05);
}
.stat-wrap{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat-item{display:flex;align-items:center;gap:16px}
.stat-icon{
  flex-shrink:0;width:44px;height:44px;border-radius:14px;
  background:linear-gradient(135deg,#F3622A,#FF8A5C);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.15rem;
  box-shadow:var(--shadow-accent);
}
.stat-info .stat-num{
  font-family:var(--font-num);font-size:2.1rem;font-weight:800;
  color:#fff;line-height:1.1;font-variant-numeric:tabular-nums;
}
.stat-info .stat-label{font-size:.875rem;color:rgba(255,255,255,.65);margin-top:4px}
/* FAQ */
.faq-section{background:var(--bg)}
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-md);margin-bottom:12px;
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(14,90,71,.2);box-shadow:var(--shadow-card)}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;text-align:left;background:transparent;border:none;
  padding:20px;font-size:1rem;font-weight:600;color:var(--text);
  cursor:pointer;transition:color .2s ease;
}
.faq-question:hover{color:var(--primary)}
.faq-question:focus{outline:none;box-shadow:0 0 0 4px rgba(14,90,71,.1) inset}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:.9rem;transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-question[aria-expanded="true"] .faq-icon{transform:rotate(135deg);background:var(--primary);color:#fff}
.faq-answer{
  padding:0 20px 20px;
  font-size:.875rem;color:var(--text-sub);line-height:1.7;
  border-top:1px dashed var(--border);margin:0 20px;
  padding-top:16px;
}
/* CTA */
.cta-banner{padding:96px 0 56px;background:var(--bg)}
.cta-inner{
  background:linear-gradient(135deg,#0E5A47,#0A3F31);
  border-radius:var(--radius-lg);
  padding:56px 48px;text-align:center;position:relative;overflow:hidden;
  color:#fff;
}
.cta-inner::before{
  content:"";position:absolute;top:-70px;right:-40px;
  width:300px;height:300px;border-radius:50%;
  background:rgba(255,138,92,.12);
}
.cta-inner::after{
  content:"";position:absolute;bottom:-80px;left:-30px;
  width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.05);
}
.cta-inner h2{font-size:1.9rem;font-weight:700;margin-bottom:12px;position:relative;z-index:2}
.cta-inner p{color:rgba(255,255,255,.82);font-size:.95rem;margin-bottom:32px;position:relative;z-index:2}
.cta-actions{
  display:flex;justify-content:center;gap:16px;flex-wrap:wrap;
  position:relative;z-index:2;
}
/* 页脚 */
.footer{
  background:var(--primary-deep);
  color:rgba(255,255,255,.65);
  padding:64px 0 32px;
  font-size:.875rem;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.f-icon{
  width:32px;height:32px;border-radius:50%;
  background:radial-gradient(circle at center,#F3622A 32%,#0E5A47 33%,#0E5A47 100%);
  box-shadow:0 0 0 3px rgba(255,255,255,.1);
}
.footer-brand span{font-size:1.2rem;font-weight:800;color:#fff;letter-spacing:.02em}
.footer-desc{font-size:.84rem;line-height:1.7;color:rgba(255,255,255,.55);max-width:280px}
.footer h4{font-size:.95rem;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.6);transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;color:rgba(255,255,255,.55)}
.footer-contact i{color:var(--accent-light);font-size:.9rem;transform:translateY(3px)}
.footer-contact span{word-break:break-all}
.footer-bottom{
  margin-top:48px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
  font-size:.8rem;color:rgba(255,255,255,.5);
}
/* 图片占位 */
img{background:var(--primary-soft)}
img::before{
  content:"";display:block;width:100%;height:100%;
  background:linear-gradient(120deg,#E8F5EF,#F6F8F7);
}
/* 响应式 */
@media (max-width: 991.98px){
  .cat-hero{padding:64px 0 56px}
  .cat-hero h1{font-size:2rem}
  .section-block{padding:64px 0}
  .section-head{margin-bottom:40px}
  .nav-links,.nav-cta{display:none}
  .navbar-toggler{display:flex}
  .stat-wrap{grid-template-columns:repeat(2,1fr);gap:24px}
  .benefit-row{padding:24px}
  .benefit-img{margin-top:24px}
  .benefit-row.reverse .benefit-img{margin-top:24px}
}
@media (max-width: 767.98px){
  .top-bar .tip{display:none}
  .cat-hero{padding:48px 0}
  .cat-hero h1{font-size:1.8rem}
  .hero-sub{font-size:.95rem}
  .hero-actions .btn{width:100%}
  .hero-platform{flex-wrap:wrap;gap:12px}
  .section-block{padding:56px 0}
  .section-head h2{font-size:1.4rem}
  .benefit-row{padding:20px}
  .benefit-copy h3{font-size:1.25rem}
  .float-badge{left:12px;bottom:12px}
  .stat-wrap{grid-template-columns:repeat(2,1fr)}
  .stat-info .stat-num{font-size:1.6rem}
  .cta-inner{padding:40px 24px}
  .cta-inner h2{font-size:1.4rem}
  .cta-actions .btn{width:100%}
  .footer{padding:48px 0 24px}
  .footer-bottom{flex-direction:column;align-items:center}
  .level-card{padding:22px}
  .path-step{padding:22px}
}
@media (max-width: 575.98px){
  .stat-wrap{grid-template-columns:1fr}
  .stat-item{justify-content:center}
  .top-right .domain{display:none}
}