/* roulang page: index */
:root{
            --primary:#2B1B5A;
            --primary-2:#312064;
            --accent:#FF8A3D;
            --accent-2:#FF9F43;
            --violet:#6C4CEB;
            --bg:#F8F6F2;
            --bg-soft:#FFFDF8;
            --card:#FFFFFF;
            --card-warm:#FFFCF7;
            --text:#1E1A2B;
            --muted:#6D667A;
            --line:rgba(49,32,100,.12);
            --line-strong:#E7E0D7;
            --success:#28A678;
            --shadow:0 24px 70px rgba(43,27,90,.10);
            --shadow-hover:0 18px 45px rgba(43,27,90,.14);
            --radius-xl:32px;
            --radius-lg:24px;
            --radius-md:18px;
            --radius-sm:14px;
            --container:1200px;
            --grad:linear-gradient(135deg,#2B1B5A 0%,#6C4CEB 52%,#FF8A3D 100%);
            --grad-soft:linear-gradient(135deg,rgba(108,76,235,.14),rgba(255,138,61,.16));
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
            color:var(--text);
            background:
                radial-gradient(circle at 8% 8%,rgba(108,76,235,.18),transparent 34%),
                radial-gradient(circle at 92% 18%,rgba(255,138,61,.16),transparent 30%),
                linear-gradient(180deg,var(--bg-soft),var(--bg));
            line-height:1.75;
            overflow-x:hidden;
            padding-bottom:0;
        }
        a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,transform .22s ease}
        img{max-width:100%;display:block}
        button,input,textarea{font:inherit}
        button{border:0;cursor:pointer}
        ::selection{background:rgba(255,138,61,.28);color:var(--primary)}
        .container{width:min(100% - 40px,var(--container));margin:0 auto}
        .site-header{
            position:sticky;
            top:0;
            z-index:50;
            background:rgba(255,253,248,.88);
            backdrop-filter:blur(18px);
            border-bottom:1px solid var(--line);
            box-shadow:0 8px 28px rgba(43,27,90,.06);
        }
        .nav{
            height:78px;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:24px;
        }
        .brand{
            display:flex;
            align-items:center;
            gap:12px;
            min-width:max-content;
        }
        .brand-mark{
            width:44px;
            height:44px;
            border-radius:16px;
            background:var(--grad);
            color:#fff;
            display:grid;
            place-items:center;
            font-weight:900;
            box-shadow:0 14px 32px rgba(108,76,235,.24);
            position:relative;
            overflow:hidden;
        }
        .brand-mark:after{
            content:"";
            position:absolute;
            width:28px;
            height:10px;
            border-radius:99px;
            background:rgba(255,255,255,.32);
            transform:rotate(-35deg);
            right:-3px;
            top:10px;
        }
        .brand-title{font-size:18px;font-weight:800;line-height:1.15;color:var(--primary)}
        .brand-sub{font-size:12px;color:var(--muted);line-height:1.15;margin-top:3px}
        .nav-links{
            display:flex;
            align-items:center;
            justify-content:center;
            gap:8px;
            margin-left:auto;
        }
        .nav-link{
            padding:10px 16px;
            border-radius:999px;
            font-size:15px;
            font-weight:700;
            color:var(--muted);
            position:relative;
        }
        .nav-link:hover{color:var(--primary);background:rgba(108,76,235,.08)}
        .nav-link.active{
            color:var(--primary);
            background:linear-gradient(135deg,rgba(108,76,235,.12),rgba(255,138,61,.13));
        }
        .nav-cta{display:flex;align-items:center;gap:10px}
        .btn{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:8px;
            min-height:48px;
            padding:14px 22px;
            border-radius:999px;
            font-weight:800;
            font-size:15px;
            transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
            white-space:nowrap;
        }
        .btn-primary{
            background:var(--grad);
            color:#fff;
            box-shadow:0 16px 34px rgba(108,76,235,.22);
        }
        .btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 44px rgba(255,138,61,.24)}
        .btn-secondary{
            background:#fff;
            color:var(--primary);
            border:1px solid rgba(49,32,100,.16);
        }
        .btn-secondary:hover{border-color:rgba(255,138,61,.58);background:#FFF7EE;transform:translateY(-2px)}
        .btn-text{
            color:var(--primary);
            font-weight:800;
            display:inline-flex;
            gap:6px;
            align-items:center;
        }
        .btn-text:hover{color:var(--accent);transform:translateX(3px)}
        .hero{
            position:relative;
            padding:84px 0 46px;
            overflow:hidden;
        }
        .hero:before{
            content:"";
            position:absolute;
            inset:24px 0 auto;
            height:420px;
            background:
                linear-gradient(115deg,rgba(43,27,90,.08),transparent 36%),
                radial-gradient(circle at 78% 30%,rgba(255,138,61,.18),transparent 36%);
            pointer-events:none;
        }
        .hero-grid{
            position:relative;
            display:grid;
            grid-template-columns:1.12fr .88fr;
            gap:44px;
            align-items:center;
        }
        .eyebrow{
            display:inline-flex;
            align-items:center;
            gap:10px;
            padding:9px 14px;
            border-radius:999px;
            background:rgba(255,255,255,.74);
            border:1px solid var(--line);
            color:var(--primary);
            font-weight:800;
            font-size:14px;
            box-shadow:0 10px 28px rgba(43,27,90,.07);
        }
        .eyebrow:before{
            content:"";
            width:8px;
            height:8px;
            border-radius:50%;
            background:var(--accent);
            box-shadow:0 0 0 6px rgba(255,138,61,.16);
        }
        h1{
            margin-top:24px;
            font-size:clamp(36px,5vw,56px);
            line-height:1.14;
            letter-spacing:-.5px;
            color:var(--primary);
            font-weight:900;
        }
        .hero-lead{
            margin-top:22px;
            font-size:18px;
            color:var(--muted);
            max-width:650px;
        }
        .hero-actions{
            display:flex;
            gap:14px;
            flex-wrap:wrap;
            margin-top:30px;
        }
        .trust-line{
            margin-top:22px;
            display:flex;
            flex-wrap:wrap;
            gap:10px;
            color:var(--muted);
            font-size:14px;
        }
        .trust-line span{
            padding:8px 12px;
            border-radius:999px;
            background:rgba(255,255,255,.72);
            border:1px solid var(--line);
        }
        .hero-visual{
            position:relative;
            border-radius:var(--radius-xl);
            overflow:hidden;
            min-height:500px;
            background:
                linear-gradient(160deg,rgba(43,27,90,.54),rgba(108,76,235,.2)),
                url("/assets/images/backpic/back-1.webp") center/cover;
            box-shadow:var(--shadow);
            border:1px solid rgba(255,255,255,.58);
        }
        .hero-visual:after{
            content:"";
            position:absolute;
            inset:0;
            background:linear-gradient(180deg,transparent 20%,rgba(30,22,58,.72));
        }
        .status-card{
            position:absolute;
            left:26px;
            right:26px;
            bottom:26px;
            z-index:2;
            padding:24px;
            border-radius:26px;
            background:rgba(255,253,248,.92);
            border:1px solid rgba(255,255,255,.72);
            box-shadow:0 20px 58px rgba(30,22,58,.18);
        }
        .status-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
        .status-title{font-weight:900;color:var(--primary);font-size:20px}
        .status-dot{
            display:inline-flex;
            align-items:center;
            gap:7px;
            color:var(--success);
            font-weight:800;
            font-size:13px;
        }
        .status-dot:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--success)}
        .domain-line{
            padding:13px 14px;
            border-radius:16px;
            background:#fff;
            border:1px solid var(--line);
            color:var(--primary);
            font-weight:800;
            word-break:break-all;
        }
        .badge-stack{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:10px;
            margin-top:14px;
        }
        .data-badge{
            padding:12px 10px;
            border-radius:16px;
            background:var(--grad-soft);
            color:var(--primary);
            font-weight:800;
            text-align:center;
            font-size:13px;
        }
        .float-badge{
            position:absolute;
            z-index:3;
            right:22px;
            top:22px;
            border-radius:999px;
            padding:10px 14px;
            background:rgba(255,255,255,.88);
            border:1px solid rgba(255,255,255,.78);
            color:var(--primary);
            font-weight:900;
            box-shadow:0 12px 28px rgba(43,27,90,.14);
        }
        .keyword-strip{
            position:relative;
            margin-top:44px;
            padding:14px;
            border:1px solid var(--line);
            border-radius:999px;
            background:rgba(255,255,255,.62);
            overflow:hidden;
        }
        .strip-inner{
            display:flex;
            gap:10px;
            flex-wrap:wrap;
            justify-content:center;
        }
        .tag{
            display:inline-flex;
            align-items:center;
            padding:8px 13px;
            border-radius:999px;
            background:#fff;
            border:1px solid var(--line);
            color:var(--muted);
            font-size:14px;
            font-weight:700;
        }
        .section{padding:88px 0}
        .section-head{
            display:flex;
            align-items:flex-end;
            justify-content:space-between;
            gap:28px;
            margin-bottom:34px;
        }
        .section-kicker{
            color:var(--accent);
            font-size:14px;
            font-weight:900;
            letter-spacing:.04em;
            margin-bottom:8px;
        }
        h2{
            font-size:clamp(28px,3.5vw,40px);
            line-height:1.22;
            color:var(--primary);
            font-weight:900;
        }
        .section-desc{
            max-width:520px;
            color:var(--muted);
            font-size:16px;
        }
        .feature-grid{
            display:grid;
            grid-template-columns:1.1fr .9fr .9fr;
            grid-template-rows:auto auto;
            gap:18px;
        }
        .feature-card{
            background:var(--card);
            border:1px solid var(--line);
            border-radius:var(--radius-lg);
            padding:26px;
            box-shadow:0 14px 38px rgba(43,27,90,.06);
            transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
            position:relative;
            overflow:hidden;
        }
        .feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(255,138,61,.45)}
        .feature-card.large{
            grid-row:span 2;
            padding:34px;
            background:
                linear-gradient(150deg,rgba(255,255,255,.92),rgba(255,252,247,.96)),
                url("/assets/images/coverpic/cover-2.webp") center/cover;
        }
        .feature-card.large:before{
            content:"";
            position:absolute;
            inset:auto -50px -70px auto;
            width:190px;
            height:190px;
            border-radius:50%;
            background:rgba(255,138,61,.18);
        }
        .card-num{
            display:inline-flex;
            width:42px;
            height:42px;
            align-items:center;
            justify-content:center;
            border-radius:15px;
            background:var(--grad-soft);
            color:var(--primary);
            font-weight:900;
            margin-bottom:18px;
        }
        .feature-card h3,.masonry-card h3,.compare-card h3,.flow-card h3{font-size:22px;line-height:1.32;color:var(--primary);margin-bottom:10px}
        .feature-card p,.masonry-card p,.compare-card p,.flow-card p{color:var(--muted);font-size:15px}
        .feature-list{margin-top:22px;display:grid;gap:10px}
        .feature-list li{
            list-style:none;
            padding-left:26px;
            position:relative;
            color:var(--text);
            font-weight:700;
        }
        .feature-list li:before{
            content:"";
            position:absolute;
            left:0;
            top:10px;
            width:10px;
            height:10px;
            border-radius:50%;
            background:var(--accent);
        }
        .entry-panel{
            display:grid;
            grid-template-columns:.86fr 1.14fr;
            gap:26px;
            align-items:stretch;
        }
        .entry-cover{
            border-radius:var(--radius-xl);
            min-height:420px;
            overflow:hidden;
            position:relative;
            background:url("/assets/images/coverpic/cover-1.webp") center/cover;
            box-shadow:var(--shadow);
        }
        .entry-cover:after{
            content:"";
            position:absolute;
            inset:0;
            background:linear-gradient(180deg,rgba(43,27,90,.1),rgba(43,27,90,.76));
        }
        .entry-cover-text{
            position:absolute;
            z-index:2;
            left:28px;
            right:28px;
            bottom:28px;
            color:#fff;
        }
        .entry-cover-text strong{display:block;font-size:26px;line-height:1.25;margin-bottom:10px}
        .entry-cards{
            display:grid;
            gap:16px;
        }
        .entry-card{
            display:grid;
            grid-template-columns:92px 1fr;
            gap:18px;
            align-items:center;
            padding:20px;
            border-radius:24px;
            background:#fff;
            border:1px solid var(--line);
            box-shadow:0 12px 34px rgba(43,27,90,.06);
            transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
        }
        .entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(108,76,235,.28)}
        .entry-icon{
            width:92px;
            height:92px;
            border-radius:22px;
            background:var(--grad);
            color:#fff;
            display:grid;
            place-items:center;
            font-size:28px;
            font-weight:900;
        }
        .entry-card h3{font-size:20px;color:var(--primary);line-height:1.3;margin-bottom:5px}
        .entry-card p{color:var(--muted);font-size:15px}
        .masonry{
            columns:3 300px;
            column-gap:18px;
        }
        .masonry-card{
            break-inside:avoid;
            display:inline-block;
            width:100%;
            margin:0 0 18px;
            background:#fff;
            border:1px solid var(--line);
            border-radius:var(--radius-lg);
            overflow:hidden;
            box-shadow:0 14px 38px rgba(43,27,90,.06);
            transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
        }
        .masonry-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(255,138,61,.42)}
        .masonry-img{
            aspect-ratio:16/10;
            overflow:hidden;
            background:var(--grad-soft);
        }
        .masonry-img img{
            width:100%;
            height:100%;
            object-fit:cover;
            transition:transform .35s ease;
        }
        .masonry-card:hover .masonry-img img{transform:scale(1.05)}
        .masonry-body{padding:22px}
        .pill{
            display:inline-flex;
            padding:6px 10px;
            border-radius:999px;
            background:rgba(255,138,61,.12);
            color:#9A4A14;
            font-size:12px;
            font-weight:900;
            margin-bottom:12px;
        }
        .proof{
            background:#1E163A;
            color:#FFF7EE;
            position:relative;
            overflow:hidden;
        }
        .proof:before{
            content:"";
            position:absolute;
            width:440px;
            height:440px;
            border-radius:50%;
            background:radial-gradient(circle,rgba(255,138,61,.22),transparent 68%);
            right:-120px;
            top:-160px;
        }
        .proof-grid{
            position:relative;
            display:grid;
            grid-template-columns:.92fr 1.08fr;
            gap:34px;
            align-items:center;
        }
        .proof h2{color:#fff}
        .proof .section-desc{color:rgba(255,247,238,.74)}
        .metric-wrap{
            display:grid;
            grid-template-columns:repeat(2,1fr);
            gap:16px;
        }
        .metric{
            padding:24px;
            border-radius:24px;
            background:rgba(255,255,255,.08);
            border:1px solid rgba(255,255,255,.14);
        }
        .metric strong{
            display:block;
            font-size:34px;
            line-height:1.1;
            color:#fff;
            margin-bottom:8px;
        }
        .metric span{color:rgba(255,247,238,.72);font-size:14px}
        .compare-wrap{
            display:grid;
            grid-template-columns:.78fr 1.22fr;
            gap:26px;
            align-items:start;
        }
        .compare-intro{
            padding:34px;
            border-radius:var(--radius-xl);
            background:var(--card-warm);
            border:1px solid var(--line);
            box-shadow:var(--shadow);
            position:sticky;
            top:104px;
        }
        .compare-intro p{color:var(--muted);margin-top:14px}
        .compare-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
        .compare-cards{display:grid;gap:18px}
        .compare-card{
            padding:30px;
            border-radius:var(--radius-xl);
            border:1px solid var(--line);
            background:#fff;
            box-shadow:0 14px 38px rgba(43,27,90,.06);
        }
        .compare-card.recommend{
            border:2px solid transparent;
            background:
                linear-gradient(#fff,#fff) padding-box,
                var(--grad) border-box;
            position:relative;
        }
        .recommend-label{
            position:absolute;
            top:22px;
            right:22px;
            padding:7px 12px;
            border-radius:999px;
            background:var(--grad);
            color:#fff;
            font-size:12px;
            font-weight:900;
        }
        .compare-list{display:grid;gap:10px;margin-top:18px}
        .compare-list li{
            list-style:none;
            display:flex;
            gap:10px;
            color:var(--muted);
            align-items:flex-start;
        }
        .compare-list li:before{
            content:"✓";
            flex:0 0 22px;
            width:22px;height:22px;border-radius:50%;
            display:grid;place-items:center;
            background:rgba(40,166,120,.12);
            color:var(--success);
            font-size:13px;
            font-weight:900;
            margin-top:3px;
        }
        .flow-grid{
            display:grid;
            grid-template-columns:1fr 1fr 1fr 1fr;
            gap:16px;
        }
        .flow-card{
            padding:24px;
            border-radius:24px;
            background:#fff;
            border:1px solid var(--line);
            box-shadow:0 12px 34px rgba(43,27,90,.06);
            position:relative;
        }
        .flow-step{
            width:38px;
            height:38px;
            border-radius:14px;
            display:grid;
            place-items:center;
            color:#fff;
            background:var(--grad);
            font-weight:900;
            margin-bottom:16px;
        }
        .faq-wrap{
            display:grid;
            grid-template-columns:.82fr 1.18fr;
            gap:28px;
            align-items:start;
        }
        .faq-intro{
            padding:30px;
            border-radius:var(--radius-xl);
            background:linear-gradient(145deg,rgba(108,76,235,.1),rgba(255,138,61,.12));
            border:1px solid var(--line);
        }
        .faq-intro p{color:var(--muted);margin-top:12px}
        .faq-list{display:grid;gap:14px}
        .faq-item{
            background:#fff;
            border:1px solid var(--line);
            border-radius:22px;
            overflow:hidden;
            box-shadow:0 12px 32px rgba(43,27,90,.05);
        }
        .faq-question{
            width:100%;
            text-align:left;
            background:#fff;
            color:var(--primary);
            font-weight:900;
            padding:20px 22px;
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:16px;
        }
        .faq-question:hover{background:#FFF8F0}
        .faq-question:focus-visible,.btn:focus-visible,.nav-link:focus-visible,input:focus-visible,textarea:focus-visible{
            outline:0;
            box-shadow:0 0 0 4px rgba(108,76,235,.14);
        }
        .faq-icon{
            width:28px;
            height:28px;
            border-radius:50%;
            background:var(--grad-soft);
            display:grid;
            place-items:center;
            color:var(--primary);
            flex:0 0 auto;
        }
        .faq-answer{
            display:none;
            padding:0 22px 20px 22px;
            color:var(--muted);
            border-left:4px solid var(--accent);
            margin-left:18px;
        }
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-icon{background:var(--grad);color:#fff}
        .cta-card{
            display:grid;
            grid-template-columns:.95fr 1.05fr;
            gap:28px;
            align-items:center;
            padding:42px;
            border-radius:36px;
            background:
                linear-gradient(135deg,rgba(43,27,90,.92),rgba(108,76,235,.78)),
                url("/assets/images/backpic/back-2.webp") center/cover;
            color:#fff;
            box-shadow:0 24px 70px rgba(43,27,90,.18);
            overflow:hidden;
            position:relative;
        }
        .cta-card:after{
            content:"";
            position:absolute;
            width:260px;height:260px;border-radius:50%;
            background:rgba(255,138,61,.24);
            right:-80px;bottom:-100px;
        }
        .cta-card > *{position:relative;z-index:2}
        .cta-card h2{color:#fff}
        .cta-card p{color:rgba(255,247,238,.78);margin-top:14px}
        .contact-form{
            display:grid;
            gap:12px;
            padding:24px;
            border-radius:28px;
            background:rgba(255,253,248,.94);
            border:1px solid rgba(255,255,255,.58);
        }
        .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
        .form-field label{
            display:block;
            color:var(--primary);
            font-weight:900;
            font-size:13px;
            margin-bottom:6px;
        }
        input,textarea{
            width:100%;
            border:1px solid rgba(49,32,100,.16);
            background:#fff;
            color:var(--text);
            border-radius:16px;
            padding:13px 15px;
            transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
        }
        input{height:52px}
        textarea{min-height:118px;resize:vertical}
        input::placeholder,textarea::placeholder{color:#9A94A6}
        input:focus,textarea:focus{
            outline:0;
            border-color:var(--violet);
            box-shadow:0 0 0 4px rgba(108,76,235,.12);
        }
        .form-note{font-size:13px;color:var(--muted)}
        .is-error{border-color:#D94A38!important;box-shadow:0 0 0 4px rgba(217,74,56,.1)!important}
        .is-success{border-color:var(--success)!important;box-shadow:0 0 0 4px rgba(40,166,120,.12)!important}
        .site-footer{
            margin-top:40px;
            background:#1E163A;
            color:rgba(255,247,238,.78);
            padding:58px 0 28px;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.2fr .8fr .9fr;
            gap:32px;
            align-items:start;
        }
        .footer-brand .brand-title{color:#fff}
        .footer-brand .brand-sub{color:rgba(255,247,238,.62)}
        .footer-text{margin-top:16px;max-width:430px;color:rgba(255,247,238,.72)}
        .footer-title{color:#fff;font-size:16px;font-weight:900;margin-bottom:14px}
        .footer-links{display:grid;gap:10px}
        .footer-links a:hover{color:var(--accent)}
        .footer-info{display:grid;gap:9px}
        .footer-bottom{
            margin-top:34px;
            padding-top:22px;
            border-top:1px solid rgba(255,255,255,.12);
            display:flex;
            justify-content:space-between;
            gap:16px;
            flex-wrap:wrap;
            font-size:13px;
            color:rgba(255,247,238,.58);
        }
        .mobile-tabs{
            display:none;
            position:fixed;
            left:0;right:0;bottom:0;
            z-index:60;
            background:rgba(255,253,248,.96);
            border-top:1px solid var(--line);
            box-shadow:0 -10px 28px rgba(43,27,90,.08);
            padding:7px 10px calc(7px + env(safe-area-inset-bottom));
        }
        .tab-grid{
            display:grid;
            grid-template-columns:repeat(2,1fr);
            gap:6px;
            max-width:520px;
            margin:0 auto;
        }
        .tab-item{
            min-height:52px;
            border-radius:18px;
            display:flex;
            flex-direction:column;
            align-items:center;
            justify-content:center;
            gap:2px;
            color:var(--muted);
            font-size:12px;
            font-weight:800;
        }
        .tab-icon{font-size:18px;line-height:1}
        .tab-item.active{
            color:var(--primary);
            background:linear-gradient(135deg,rgba(108,76,235,.12),rgba(255,138,61,.13));
        }
        @media (max-width:1100px){
            .hero-grid,.entry-panel,.proof-grid,.compare-wrap,.faq-wrap,.cta-card{grid-template-columns:1fr}
            .hero-visual{min-height:430px}
            .feature-grid{grid-template-columns:1fr 1fr}
            .feature-card.large{grid-row:auto;grid-column:span 2}
            .flow-grid{grid-template-columns:1fr 1fr}
            .compare-intro{position:relative;top:auto}
        }
        @media (max-width:820px){
            body{padding-bottom:78px}
            .container{width:min(100% - 28px,var(--container))}
            .site-header{position:sticky}
            .nav{height:68px}
            .brand-mark{width:40px;height:40px;border-radius:14px}
            .brand-title{font-size:17px}
            .brand-sub{display:none}
            .nav-links{display:none}
            .nav-cta .btn{min-height:42px;padding:10px 15px;font-size:13px}
            .hero{padding:54px 0 30px}
            .hero-lead{font-size:16px}
            .hero-visual{min-height:390px;border-radius:28px}
            .status-card{left:16px;right:16px;bottom:16px;padding:18px;border-radius:22px}
            .badge-stack{grid-template-columns:1fr}
            .keyword-strip{border-radius:22px}
            .strip-inner{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;padding-bottom:2px}
            .tag{white-space:nowrap}
            .section{padding:62px 0}
            .section-head{display:block}
            .section-desc{margin-top:12px}
            .feature-grid{grid-template-columns:1fr}
            .feature-card.large{grid-column:auto}
            .entry-card{grid-template-columns:72px 1fr;padding:16px}
            .entry-icon{width:72px;height:72px;border-radius:18px}
            .metric-wrap,.flow-grid,.form-row,.footer-grid{grid-template-columns:1fr}
            .cta-card{padding:26px;border-radius:28px}
            .mobile-tabs{display:block}
            .footer-bottom{display:block}
            .footer-bottom span{display:block;margin-top:8px}
        }
        @media (max-width:520px){
            .container{width:min(100% - 24px,var(--container))}
            h1{font-size:34px}
            h2{font-size:28px}
            .hero-actions{display:grid}
            .btn{width:100%}
            .hero-visual{min-height:360px}
            .status-title{font-size:17px}
            .domain-line{font-size:13px}
            .feature-card,.compare-card,.faq-intro,.contact-form{padding:20px}
            .entry-cover{min-height:330px}
            .masonry{columns:1}
            .metric strong{font-size:30px}
            .float-badge{font-size:12px;right:14px;top:14px}
        }
        @media (prefers-reduced-motion:reduce){
            *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
        }

/* roulang page: category1 */
:root{
      --primary:#2B1B5A;
      --primary-2:#6C4CEB;
      --accent:#FF8A3D;
      --accent-2:#FFB067;
      --bg:#F8F6F2;
      --bg-soft:#FFFDF8;
      --card:#FFFFFF;
      --card-warm:#FFFCF7;
      --text:#1E1A2B;
      --muted:#6D667A;
      --line:rgba(49,32,100,.12);
      --line-strong:#E7E0D7;
      --success:#28A678;
      --shadow:0 24px 70px rgba(43,27,90,.10);
      --shadow-hover:0 18px 45px rgba(43,27,90,.14);
      --radius-lg:30px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1200px;
      --gradient:linear-gradient(135deg,#2B1B5A 0%,#6C4CEB 48%,#FF8A3D 100%);
      --gradient-soft:linear-gradient(135deg,rgba(108,76,235,.12),rgba(255,138,61,.14));
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 8% 5%,rgba(108,76,235,.16),transparent 32%),
        radial-gradient(circle at 92% 18%,rgba(255,138,61,.13),transparent 30%),
        linear-gradient(180deg,var(--bg-soft),var(--bg));
      line-height:1.75;
      min-width:320px;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(255,138,61,.25);color:var(--primary)}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,253,248,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
      box-shadow:0 8px 30px rgba(43,27,90,.05);
    }
    .nav{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:800;
      font-size:22px;
      background:var(--gradient);
      box-shadow:0 14px 30px rgba(108,76,235,.28);
      position:relative;
      overflow:hidden;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:28px;
      height:5px;
      border-radius:999px;
      background:rgba(255,255,255,.42);
      transform:rotate(-35deg);
      right:-5px;
      top:10px;
    }
    .brand-title{display:block;font-weight:800;font-size:18px;line-height:1.2;color:var(--primary)}
    .brand-sub{display:block;font-size:12px;color:var(--muted);line-height:1.2;margin-top:3px}
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      flex:1;
    }
    .nav-link{
      position:relative;
      padding:10px 15px;
      border-radius:999px;
      color:var(--muted);
      font-weight:700;
      font-size:15px;
      transition:color .22s ease,background .22s ease,transform .22s ease;
    }
    .nav-link:hover{color:var(--primary);background:rgba(108,76,235,.08);transform:translateY(-1px)}
    .nav-link.active{
      color:var(--primary);
      background:linear-gradient(135deg,rgba(108,76,235,.12),rgba(255,138,61,.12));
    }
    .nav-link.active:after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:4px;
      height:3px;
      border-radius:999px;
      background:var(--gradient);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border:0;
      border-radius:999px;
      padding:14px 22px;
      font-weight:800;
      font-size:15px;
      line-height:1;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:var(--gradient);
      box-shadow:0 14px 30px rgba(108,76,235,.25);
    }
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 42px rgba(43,27,90,.22)}
    .btn-secondary{
      color:var(--primary);
      background:#fff;
      border:1px solid rgba(49,32,100,.16);
    }
    .btn-secondary:hover{border-color:rgba(255,138,61,.55);background:#FFF7EF;transform:translateY(-2px)}
    .btn-text{
      color:var(--primary);
      font-weight:800;
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .btn-text:after{content:"→";transition:transform .22s ease}
    .btn-text:hover:after{transform:translateX(4px)}
    .section{padding:86px 0}
    .section-tight{padding:54px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border-radius:999px;
      background:rgba(255,138,61,.12);
      color:var(--primary);
      border:1px solid rgba(255,138,61,.22);
      font-weight:800;
      font-size:13px;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(255,138,61,.14);
    }
    .inner-hero{
      padding:58px 0 34px;
      position:relative;
      overflow:hidden;
    }
    .inner-hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg,rgba(43,27,90,.06),transparent 38%),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      opacity:.42;
      z-index:-2;
    }
    .inner-hero:after{
      content:"";
      position:absolute;
      width:420px;
      height:420px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,138,61,.18),transparent 62%);
      right:-120px;
      top:-110px;
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.05fr .72fr;
      gap:34px;
      align-items:center;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:14px;
      margin:18px 0 10px;
    }
    .breadcrumb a{font-weight:700;color:var(--primary)}
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:48px;
      line-height:1.14;
      letter-spacing:-.5px;
      margin:0 0 18px;
      color:var(--primary);
      font-weight:850;
    }
    h2{
      font-size:36px;
      line-height:1.24;
      margin:0 0 14px;
      color:var(--primary);
      font-weight:850;
    }
    h3{
      font-size:22px;
      line-height:1.35;
      margin:0 0 10px;
      color:var(--text);
      font-weight:820;
    }
    .lead{
      font-size:17px;
      color:var(--muted);
      max-width:760px;
      margin-bottom:22px;
    }
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
    .summary-card{
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.88);
      border:1px solid rgba(49,32,100,.12);
      box-shadow:var(--shadow);
      padding:28px;
      position:relative;
      overflow:hidden;
    }
    .summary-card:before{
      content:"";
      position:absolute;
      inset:0 0 auto 0;
      height:7px;
      background:var(--gradient);
    }
    .summary-top{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:flex-start;
      margin-bottom:18px;
    }
    .status-dot{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--success);
      font-weight:800;
      font-size:13px;
      background:rgba(40,166,120,.1);
      padding:7px 10px;
      border-radius:999px;
    }
    .status-dot:before{
      content:"";
      width:8px;height:8px;border-radius:50%;background:var(--success);
    }
    .metric-list{display:grid;gap:12px;margin-top:18px}
    .metric{
      display:flex;
      justify-content:space-between;
      gap:14px;
      padding:14px 16px;
      border-radius:18px;
      background:linear-gradient(135deg,rgba(108,76,235,.08),rgba(255,138,61,.08));
      border:1px solid rgba(49,32,100,.08);
    }
    .metric strong{color:var(--primary)}
    .metric span{color:var(--muted);font-size:14px}
    .tag-strip-wrap{
      margin-top:28px;
      overflow:hidden;
    }
    .tag-strip{
      display:flex;
      gap:10px;
      overflow-x:auto;
      padding:4px 2px 10px;
      scrollbar-width:none;
    }
    .tag-strip::-webkit-scrollbar{display:none}
    .filter-tag{
      border:1px solid var(--line);
      background:#fff;
      color:var(--primary);
      border-radius:999px;
      padding:10px 16px;
      font-weight:800;
      white-space:nowrap;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease;
    }
    .filter-tag:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(43,27,90,.10)}
    .filter-tag.active{background:var(--gradient);color:#fff;border-color:transparent}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:24px;
      margin-bottom:28px;
    }
    .section-head p{color:var(--muted);max-width:650px;margin:0}
    .magazine-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:28px;
      align-items:start;
    }
    .guide-stack{display:grid;gap:20px}
    .feature-guide{
      display:grid;
      grid-template-columns:42% 1fr;
      gap:0;
      border-radius:var(--radius-lg);
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .feature-guide:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(255,138,61,.36)}
    .image-box{
      position:relative;
      min-height:280px;
      overflow:hidden;
      background:var(--gradient-soft);
    }
    .image-box img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .5s ease;
    }
    .feature-guide:hover img,.guide-card:hover img{transform:scale(1.045)}
    .image-box .label{
      position:absolute;
      left:18px;
      top:18px;
      z-index:2;
    }
    .guide-body{padding:30px}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      font-size:12px;
      font-weight:850;
      color:var(--primary);
      background:rgba(108,76,235,.10);
      border:1px solid rgba(108,76,235,.14);
    }
    .badge.orange{background:rgba(255,138,61,.13);border-color:rgba(255,138,61,.2)}
    .guide-title{margin-top:14px}
    .guide-text{color:var(--muted);margin-bottom:18px}
    .meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      color:var(--muted);
      font-size:13px;
      margin-bottom:18px;
    }
    .meta span{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 9px;
      border-radius:999px;
      background:#F7F1EA;
    }
    .guide-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .guide-card{
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      overflow:hidden;
      box-shadow:0 16px 42px rgba(43,27,90,.07);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .guide-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(108,76,235,.25)}
    .guide-card .thumb{
      aspect-ratio:16/10;
      overflow:hidden;
      background:var(--gradient-soft);
    }
    .guide-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
    .guide-card .content{padding:22px}
    .guide-card p{color:var(--muted);margin-bottom:16px}
    .list-card{
      display:grid;
      grid-template-columns:86px 1fr;
      gap:18px;
      padding:22px;
      border-radius:24px;
      background:var(--card-warm);
      border:1px solid var(--line);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .list-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,138,61,.32)}
    .list-index{
      width:86px;
      height:86px;
      border-radius:24px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      font-size:22px;
      background:var(--gradient);
    }
    .sidebar{
      position:sticky;
      top:98px;
      display:grid;
      gap:18px;
    }
    .side-card{
      border-radius:26px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 16px 42px rgba(43,27,90,.07);
      padding:24px;
    }
    .domain-card{
      background:
        linear-gradient(135deg,rgba(43,27,90,.94),rgba(49,32,100,.9)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      color:#fff;
      overflow:hidden;
      position:relative;
    }
    .domain-card:after{
      content:"";
      position:absolute;
      right:-60px;
      bottom:-70px;
      width:180px;
      height:180px;
      border-radius:50%;
      background:rgba(255,138,61,.28);
    }
    .domain-card h3,.domain-card p{position:relative;z-index:1;color:#fff}
    .domain-card p{opacity:.82}
    .domain{
      position:relative;
      z-index:1;
      padding:13px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      font-weight:800;
      word-break:break-all;
    }
    .side-links{display:grid;gap:10px;margin-top:14px}
    .side-links a{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px 0;
      border-bottom:1px solid var(--line);
      color:var(--muted);
      font-weight:700;
      transition:color .22s ease,padding-left .22s ease;
    }
    .side-links a:last-child{border-bottom:0}
    .side-links a:hover{color:var(--primary);padding-left:5px}
    .keyword-cloud{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:14px;
    }
    .keyword-cloud span{
      padding:8px 11px;
      border-radius:999px;
      background:#F7F1EA;
      color:var(--primary);
      font-weight:750;
      font-size:13px;
    }
    .process{
      background:linear-gradient(180deg,rgba(255,255,255,.72),rgba(255,252,247,.92));
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .process-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:26px;
      align-items:start;
    }
    .step-panel{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      padding:30px;
    }
    .step-list{display:grid;gap:14px;margin-top:18px}
    .step-item{
      display:grid;
      grid-template-columns:44px 1fr;
      gap:14px;
      align-items:start;
      padding:16px;
      border-radius:20px;
      background:#FFF8F1;
      border:1px solid rgba(255,138,61,.14);
    }
    .step-num{
      width:44px;height:44px;border-radius:15px;
      display:grid;place-items:center;
      color:#fff;font-weight:900;
      background:var(--gradient);
    }
    .step-item p{margin:0;color:var(--muted)}
    .note-card{
      border-radius:var(--radius-lg);
      padding:30px;
      background:var(--primary);
      color:#fff;
      position:relative;
      overflow:hidden;
      min-height:100%;
    }
    .note-card:before{
      content:"";
      position:absolute;
      inset:auto -80px -110px auto;
      width:240px;height:240px;border-radius:50%;
      background:rgba(255,138,61,.34);
    }
    .note-card h3{color:#fff}
    .note-card p{color:rgba(255,255,255,.82)}
    .check-list{
      list-style:none;
      padding:0;
      margin:20px 0 0;
      display:grid;
      gap:12px;
      position:relative;
      z-index:1;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:rgba(255,255,255,.9);
    }
    .check-list li:before{
      content:"✓";
      width:22px;height:22px;flex:0 0 22px;
      border-radius:50%;
      display:grid;place-items:center;
      background:rgba(40,166,120,.95);
      font-size:13px;
      font-weight:900;
    }
    .data-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
      margin-top:24px;
    }
    .data-tile{
      padding:20px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 12px 34px rgba(43,27,90,.06);
    }
    .data-tile strong{
      display:block;
      font-size:26px;
      color:var(--primary);
      line-height:1.2;
      margin-bottom:8px;
    }
    .data-tile span{color:var(--muted);font-size:14px}
    .faq-wrap{max-width:900px;margin:0 auto}
    .faq-list{display:grid;gap:14px;margin-top:26px}
    .faq-item{
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      overflow:hidden;
      box-shadow:0 14px 34px rgba(43,27,90,.06);
    }
    .faq-question{
      width:100%;
      text-align:left;
      display:flex;
      justify-content:space-between;
      gap:20px;
      align-items:center;
      padding:20px 22px;
      background:#fff;
      color:var(--primary);
      border:0;
      font-weight:850;
    }
    .faq-question:after{
      content:"+";
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(255,138,61,.13);
      color:var(--accent);
      font-size:20px;
      flex:0 0 28px;
    }
    .faq-item.active .faq-question{background:linear-gradient(135deg,rgba(108,76,235,.08),rgba(255,138,61,.08))}
    .faq-item.active .faq-question:after{content:"−";background:var(--accent);color:#fff}
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .25s ease;
      border-left:4px solid var(--accent);
      margin-left:22px;
    }
    .faq-answer p{
      color:var(--muted);
      margin:0;
      padding:0 22px 20px 18px;
    }
    .cta-band{
      border-radius:32px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.92),rgba(255,247,239,.92)),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      border:1px solid rgba(255,138,61,.22);
      box-shadow:var(--shadow);
      padding:34px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      overflow:hidden;
      position:relative;
    }
    .cta-band:before{
      content:"";
      position:absolute;
      width:150px;height:150px;border-radius:50%;
      background:rgba(108,76,235,.12);
      right:150px;top:-70px;
    }
    .cta-band h2,.cta-band p,.cta-band .cta-actions{position:relative;z-index:1}
    .cta-band p{color:var(--muted);margin:0;max-width:690px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .contact-mini{
      margin-top:18px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .field{
      width:100%;
      border:1px solid rgba(49,32,100,.16);
      background:#fff;
      border-radius:16px;
      padding:14px 15px;
      color:var(--text);
      outline:none;
      transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
    }
    .field::placeholder{color:#9A92A8}
    .field:focus{
      border-color:var(--primary-2);
      box-shadow:0 0 0 4px rgba(108,76,235,.12);
      background:#fff;
    }
    .field.is-error{border-color:#D94A4A}
    .field.is-success{border-color:var(--success)}
    .form-note{
      grid-column:1/-1;
      color:var(--muted);
      font-size:13px;
      margin:0;
    }
    .site-footer{
      background:#1E163A;
      color:rgba(255,255,255,.86);
      padding:58px 0 32px;
      margin-top:80px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .7fr 1fr;
      gap:34px;
      align-items:start;
    }
    .site-footer .brand-title{color:#fff}
    .site-footer .brand-sub{color:rgba(255,255,255,.62)}
    .footer-text{
      color:rgba(255,255,255,.68);
      max-width:430px;
      margin:18px 0 0;
    }
    .footer-title{
      color:#fff;
      font-weight:850;
      margin-bottom:14px;
      position:relative;
    }
    .footer-title:after{
      content:"";
      display:block;
      width:34px;height:3px;border-radius:999px;
      background:var(--accent);
      margin-top:8px;
    }
    .footer-links,.footer-info{display:grid;gap:10px}
    .footer-links a{
      color:rgba(255,255,255,.72);
      transition:color .22s ease,transform .22s ease;
    }
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-info span{color:rgba(255,255,255,.72)}
    .footer-bottom{
      margin-top:38px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.12);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.58);
      font-size:14px;
    }
    .mobile-tabs{
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:60;
      display:none;
      background:rgba(255,253,248,.96);
      backdrop-filter:blur(18px);
      border-top:1px solid var(--line);
      box-shadow:0 -12px 34px rgba(43,27,90,.12);
      padding:7px 14px calc(7px + env(safe-area-inset-bottom));
    }
    .mobile-tabs .tab{
      flex:1;
      display:grid;
      place-items:center;
      gap:2px;
      color:var(--muted);
      font-size:12px;
      font-weight:800;
      padding:6px 4px;
      border-radius:16px;
      position:relative;
    }
    .tab-icon{font-size:18px;line-height:1}
    .mobile-tabs .tab.active{color:var(--primary);background:rgba(108,76,235,.08)}
    .mobile-tabs .tab.active:before{
      content:"";
      position:absolute;
      top:4px;
      width:6px;height:6px;border-radius:50%;
      background:var(--accent);
    }
    @media (max-width:1100px){
      .hero-grid,.process-grid{grid-template-columns:1fr}
      .magazine-layout{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,1fr)}
      .domain-card{grid-column:1/-1}
      h1{font-size:42px}
    }
    @media (max-width:860px){
      .nav{min-height:70px}
      .nav-links,.nav-cta{display:none}
      .mobile-tabs{display:flex}
      body{padding-bottom:76px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:grid}
      .feature-guide{grid-template-columns:1fr}
      .image-box{min-height:220px}
      .guide-grid,.data-row,.sidebar{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head p{margin-top:10px}
      .cta-band{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
      .contact-mini{grid-template-columns:1fr}
    }
    @media (max-width:560px){
      .container{width:min(100% - 28px,var(--container))}
      h1{font-size:34px;letter-spacing:0}
      h2{font-size:28px}
      h3{font-size:20px}
      .section{padding:62px 0}
      .inner-hero{padding:38px 0 24px}
      .summary-card,.guide-body,.step-panel,.note-card,.cta-band{padding:22px}
      .brand-mark{width:42px;height:42px;border-radius:14px}
      .brand-title{font-size:17px}
      .hero-actions,.cta-actions{display:grid}
      .btn{width:100%;padding:15px 18px}
      .list-card{grid-template-columns:1fr}
      .list-index{width:64px;height:64px;border-radius:18px}
      .footer-text{max-width:100%}
    }