/* roulang page: index */
:root{
            --bg: #07111f;
            --bg-soft: #0b1728;
            --surface: rgba(15, 25, 42, .82);
            --surface-2: #102033;
            --surface-3: #132642;
            --line: rgba(255,255,255,.08);
            --line-strong: rgba(255,255,255,.16);
            --text: #eef5ff;
            --muted: #9eb2cb;
            --muted-2: #7f93ae;
            --primary: #6ee7ff;
            --primary-2: #8b5cf6;
            --accent: #f4b860;
            --success: #49d69f;
            --danger: #ff6b8b;
            --shadow: 0 20px 60px rgba(0,0,0,.30);
            --shadow-soft: 0 12px 30px rgba(0,0,0,.18);
            --radius: 18px;
            --radius-lg: 28px;
            --radius-sm: 12px;
            --container: 1280px;
            --gap: 24px;
        }
        *,
        *::before,
        *::after{ box-sizing: border-box; }
        html{
            scroll-behavior: smooth;
        }
        body{
            margin: 0;
            font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
            line-height: 1.7;
            color: var(--text);
            background:
                radial-gradient(1200px 600px at 8% 10%, rgba(110,231,255,.14), transparent 40%),
                radial-gradient(900px 500px at 92% 8%, rgba(139,92,246,.16), transparent 35%),
                radial-gradient(800px 500px at 50% 100%, rgba(244,184,96,.10), transparent 42%),
                linear-gradient(180deg, #08101b 0%, #07111f 36%, #06101c 100%);
            min-height: 100vh;
            padding-bottom: 110px;
            overflow-x: hidden;
        }
        body::before{
            content:"";
            position: fixed;
            inset: 0;
            pointer-events: none;
            background:
                linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
            background-size: 38px 38px;
            mask-image: linear-gradient(180deg, rgba(0,0,0,.55), transparent 85%);
            opacity: .22;
            z-index: -1;
        }
        a{
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, transform .2s ease, opacity .2s ease, border-color .2s ease, background-color .2s ease, box-shadow .2s ease;
        }
        a:hover{ color: var(--primary); }
        img{
            max-width: 100%;
            display: block;
        }
        button, input, textarea, select{
            font: inherit;
        }
        ::selection{
            background: rgba(110,231,255,.25);
            color: #fff;
        }
        :focus-visible{
            outline: 2px solid rgba(110,231,255,.65);
            outline-offset: 2px;
        }
        .container-xxl{
            max-width: var(--container);
        }
        .site-header{
            position: sticky;
            top: 0;
            z-index: 1035;
            backdrop-filter: blur(18px);
            background: linear-gradient(180deg, rgba(8,16,27,.95), rgba(8,16,27,.78));
            border-bottom: 1px solid var(--line);
        }
        .header-top{
            padding: 18px 0 10px;
        }
        .brand{
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            letter-spacing: .02em;
            color: var(--text);
        }
        .brand:hover{ color: var(--text); transform: translateY(-1px); }
        .brand-mark{
            width: 42px;
            height: 42px;
            border-radius: 14px;
            display: grid;
            place-items: center;
            background:
                linear-gradient(135deg, rgba(110,231,255,.95), rgba(139,92,246,.95));
            color: #09111e;
            box-shadow: 0 12px 30px rgba(110,231,255,.18);
            flex: 0 0 auto;
        }
        .brand-text{
            font-size: 1.02rem;
            line-height: 1.2;
        }
        .brand-sub{
            display: block;
            font-size: .78rem;
            font-weight: 500;
            color: var(--muted);
            margin-top: 3px;
            letter-spacing: .02em;
        }
        .search-box{
            position: relative;
            flex: 1 1 520px;
            min-width: 280px;
        }
        .search-box .form-control{
            height: 50px;
            padding-left: 48px;
            padding-right: 120px;
            border-radius: 16px;
            border: 1px solid var(--line);
            background: rgba(255,255,255,.04);
            color: var(--text);
            box-shadow: inset 0 1px 0 rgba(255,255,255,.03);
        }
        .search-box .form-control::placeholder{
            color: rgba(158,178,203,.7);
        }
        .search-box .form-control:focus{
            border-color: rgba(110,231,255,.45);
            box-shadow: 0 0 0 .2rem rgba(110,231,255,.12);
            background: rgba(255,255,255,.05);
            color: var(--text);
        }
        .search-icon{
            position: absolute;
            left: 17px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--muted);
            font-size: .95rem;
        }
        .search-submit{
            position: absolute;
            right: 7px;
            top: 50%;
            transform: translateY(-50%);
            border: 0;
            border-radius: 12px;
            height: 36px;
            padding: 0 14px;
            color: #08111d;
            background: linear-gradient(135deg, #9beeff, #d8bcff);
            font-weight: 700;
            box-shadow: 0 10px 20px rgba(110,231,255,.10);
        }
        .search-submit:hover{
            transform: translateY(-50%) translateY(-1px);
            box-shadow: 0 14px 24px rgba(110,231,255,.16);
        }
        .meta-switches{
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .meta-chip{
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 14px;
            border-radius: 999px;
            border: 1px solid var(--line);
            background: rgba(255,255,255,.03);
            color: var(--muted);
            font-size: .9rem;
            white-space: nowrap;
        }
        .meta-chip strong{
            color: var(--text);
            font-weight: 700;
        }
        .main-nav{
            padding: 0 0 14px;
        }
        .main-nav .navbar{
            padding: 0;
        }
        .main-nav .navbar-toggler{
            border: 1px solid var(--line);
            border-radius: 14px;
            background: rgba(255,255,255,.03);
            box-shadow: none;
            padding: .55rem .8rem;
        }
        .main-nav .navbar-toggler-icon{
            filter: invert(1);
            opacity: .92;
        }
        .main-nav .navbar-nav{
            gap: 8px;
        }
        .main-nav .nav-link{
            color: var(--muted);
            padding: .7rem 1rem;
            border-radius: 999px;
            border: 1px solid transparent;
            background: transparent;
            font-weight: 600;
        }
        .main-nav .nav-link:hover,
        .main-nav .nav-link:focus{
            color: var(--text);
            background: rgba(255,255,255,.04);
            border-color: var(--line);
        }
        .main-nav .nav-link.active{
            color: #08111d;
            background: linear-gradient(135deg, rgba(110,231,255,.98), rgba(216,188,255,.98));
            border-color: transparent;
            box-shadow: 0 10px 24px rgba(110,231,255,.12);
        }
        .nav-inline-note{
            color: var(--muted-2);
            font-size: .93rem;
            border: 1px solid var(--line);
            border-radius: 999px;
            padding: .55rem .9rem;
            background: rgba(255,255,255,.025);
        }
        .hero{
            padding: 34px 0 24px;
            scroll-margin-top: 120px;
        }
        .hero-shell{
            position: relative;
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: 32px;
            background:
                linear-gradient(135deg, rgba(17,28,47,.92), rgba(10,19,35,.92)),
                radial-gradient(circle at top right, rgba(110,231,255,.08), transparent 30%);
            box-shadow: var(--shadow);
            padding: 32px;
        }
        .hero-shell::before{
            content:"";
            position:absolute;
            inset:-2px;
            background:
                radial-gradient(400px 180px at 14% 22%, rgba(110,231,255,.12), transparent 60%),
                radial-gradient(360px 200px at 85% 16%, rgba(139,92,246,.14), transparent 60%),
                radial-gradient(360px 180px at 70% 86%, rgba(244,184,96,.08), transparent 60%);
            pointer-events:none;
        }
        .hero-copy,
        .compare-panel{
            position: relative;
            z-index: 1;
        }
        .eyebrow{
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: 999px;
            border: 1px solid rgba(110,231,255,.20);
            background: rgba(110,231,255,.06);
            color: #caf8ff;
            font-size: .88rem;
            font-weight: 700;
            letter-spacing: .03em;
            margin-bottom: 18px;
        }
        .hero h1{
            font-size: clamp(2.2rem, 5vw, 4.3rem);
            line-height: 1.06;
            letter-spacing: -.03em;
            margin: 0 0 18px;
            max-width: 14ch;
        }
        .hero-lead{
            max-width: 42rem;
            font-size: 1.05rem;
            color: var(--muted);
            margin-bottom: 24px;
        }
        .btn-neo{
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 48px;
            padding: 0 18px;
            border-radius: 14px;
            border: 1px solid transparent;
            font-weight: 700;
            transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
        }
        .btn-neo:hover{
            transform: translateY(-1px);
        }
        .btn-accent{
            color: #06101b;
            background: linear-gradient(135deg, #8defff, #d9bdff);
            box-shadow: 0 14px 28px rgba(110,231,255,.14);
        }
        .btn-accent:hover{
            color: #06101b;
            box-shadow: 0 18px 34px rgba(110,231,255,.18);
        }
        .btn-ghost{
            color: var(--text);
            border-color: var(--line);
            background: rgba(255,255,255,.03);
        }
        .btn-ghost:hover{
            color: var(--text);
            border-color: rgba(110,231,255,.35);
            background: rgba(110,231,255,.06);
        }
        .btn-soft{
            color: var(--text);
            border-color: transparent;
            background: rgba(255,255,255,.05);
        }
        .btn-soft:hover{
            color: var(--text);
            background: rgba(255,255,255,.08);
        }
        .trust-strip{
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 14px;
        }
        .trust-item{
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 12px;
            border-radius: 999px;
            border: 1px solid var(--line);
            background: rgba(255,255,255,.03);
            color: var(--muted);
            font-size: .92rem;
        }
        .compare-panel{
            background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
            border: 1px solid var(--line);
            border-radius: 26px;
            padding: 18px;
            box-shadow: var(--shadow-soft);
        }
        .compare-title{
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            margin-bottom: 14px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--line);
        }
        .compare-title h2{
            font-size: 1.02rem;
            margin: 0;
            letter-spacing: -.01em;
        }
        .compare-title span{
            color: var(--muted);
            font-size: .9rem;
        }
        .compare-card{
            position: relative;
            padding: 16px;
            border-radius: 20px;
            border: 1px solid var(--line);
            background: rgba(255,255,255,.03);
            margin-bottom: 12px;
            transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
        }
        .compare-card:hover{
            transform: translateY(-2px);
            border-color: rgba(255,255,255,.16);
            background: rgba(255,255,255,.05);
            box-shadow: 0 16px 36px rgba(0,0,0,.18);
        }
        .compare-card.recommended{
            background:
                linear-gradient(180deg, rgba(110,231,255,.10), rgba(139,92,246,.08)),
                rgba(255,255,255,.04);
            border-color: rgba(110,231,255,.35);
            box-shadow: 0 18px 36px rgba(110,231,255,.08);
        }
        .compare-card:last-child{ margin-bottom: 0; }
        .compare-card .topline{
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin-bottom: 10px;
        }
        .card-tag{
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 10px;
            border-radius: 999px;
            border: 1px solid var(--line);
            color: var(--muted);
            font-size: .8rem;
            background: rgba(255,255,255,.03);
        }
        .compare-card h3{
            margin: 0;
            font-size: 1.12rem;
            line-height: 1.2;
        }
        .compare-card p{
            margin: 0 0 12px;
            color: var(--muted);
            font-size: .93rem;
        }
        .mini-list{
            list-style: none;
            padding: 0;
            margin: 0 0 14px;
            display: grid;
            gap: 8px;
        }
        .mini-list li{
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text);
            font-size: .92rem;
        }
        .mini-list li i{
            color: var(--success);
            font-size: .82rem;
        }
        .compare-action{
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #09111d;
            background: linear-gradient(135deg, #a3efff, #d8bcff);
            border-radius: 12px;
            padding: 10px 14px;
            font-weight: 700;
        }
        .section-gap{
            margin-top: 24px;
        }
        .toc-card{
            position: sticky;
            top: 118px;
            border-radius: 24px;
            border: 1px solid var(--line);
            background: rgba(12,20,34,.86);
            box-shadow: var(--shadow-soft);
            padding: 20px;
        }
        .toc-card h3{
            margin: 0 0 12px;
            font-size: 1rem;
        }
        .toc-card p{
            margin: 0 0 16px;
            color: var(--muted);
            font-size: .92rem;
        }
        .toc-list{
            display: grid;
            gap: 8px;
        }
        .toc-list a{
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding: 11px 12px;
            border-radius: 14px;
            background: rgba(255,255,255,.03);
            border: 1px solid transparent;
            color: var(--muted);
            font-size: .95rem;
        }
        .toc-list a:hover,
        .toc-list a:focus{
            border-color: var(--line);
            color: var(--text);
            background: rgba(255,255,255,.05);
        }
        .toc-list a.active{
            color: #09111d;
            background: linear-gradient(135deg, #9beeff, #d8bcff);
        }
        .content-section{
            scroll-margin-top: 118px;
            margin-bottom: 24px;
        }
        .panel{
            border: 1px solid var(--line);
            border-radius: 28px;
            background: var(--surface);
            box-shadow: var(--shadow-soft);
            overflow: hidden;
        }
        .panel-inner{
            padding: 28px;
        }
        .section-header{
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 22px;
            flex-wrap: wrap;
        }
        .section-header h2{
            margin: 0;
            font-size: clamp(1.35rem, 2.2vw, 2rem);
            letter-spacing: -.02em;
        }
        .section-header p{
            margin: 0;
            color: var(--muted);
            max-width: 54rem;
            font-size: .98rem;
        }
        .section-badge{
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            border-radius: 999px;
            background: rgba(255,255,255,.04);
            border: 1px solid var(--line);
            color: var(--muted);
            font-size: .85rem;
            white-space: nowrap;
        }
        .directory-grid{
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 14px;
        }
        .directory-card{
            position: relative;
            padding: 18px;
            border-radius: 20px;
            border: 1px solid var(--line);
            background: rgba(255,255,255,.03);
            min-height: 160px;
            transition: transform .2s ease, background .2s ease, border-color .2s ease;
        }
        .directory-card:hover{
            transform: translateY(-2px);
            background: rgba(255,255,255,.05);
            border-color: rgba(255,255,255,.15);
        }
        .directory-icon{
            width: 46px;
            height: 46px;
            border-radius: 16px;
            display: grid;
            place-items: center;
            margin-bottom: 14px;
            color: #08111d;
            background: linear-gradient(135deg, #a3efff, #d8bcff);
            box-shadow: 0 12px 24px rgba(110,231,255,.12);
        }
        .directory-card h3{
            margin: 0 0 8px;
            font-size: 1.05rem;
        }
        .directory-card p{
            margin: 0;
            color: var(--muted);
            font-size: .93rem;
        }
        .directory-link{
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 12px;
            color: #d8f8ff;
            font-weight: 700;
            font-size: .92rem;
        }
        .directory-link:hover{
            color: #fff;
        }
        .note-box{
            height: 100%;
            border-radius: 24px;
            border: 1px solid var(--line);
            background:
                linear-gradient(180deg, rgba(110,231,255,.08), rgba(255,255,255,.03)),
                rgba(255,255,255,.02);
            padding: 22px;
        }
        .note-box h3{
            margin: 0 0 10px;
            font-size: 1.1rem;
        }
        .note-box p,
        .note-box li{
            color: var(--muted);
        }
        .note-box ul{
            margin: 14px 0 0;
            padding-left: 18px;
            display: grid;
            gap: 8px;
        }
        .value-grid{
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 14px;
        }
        .value-card{
            padding: 20px;
            border-radius: 22px;
            border: 1px solid var(--line);
            background: rgba(255,255,255,.03);
            transition: transform .2s ease, border-color .2s ease, background .2s ease;
        }
        .value-card:hover{
            transform: translateY(-2px);
            border-color: rgba(110,231,255,.24);
            background: rgba(255,255,255,.05);
        }
        .value-number{
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 52px;
            height: 52px;
            border-radius: 18px;
            margin-bottom: 14px;
            color: #08111d;
            background: linear-gradient(135deg, #a3efff, #d8bcff);
            font-weight: 900;
            font-size: 1.08rem;
        }
        .value-card h3{
            margin: 0 0 8px;
            font-size: 1.05rem;
        }
        .value-card p{
            margin: 0;
            color: var(--muted);
            font-size: .93rem;
        }
        .stat-strip{
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 12px;
            margin-top: 14px;
        }
        .stat-item{
            padding: 16px 18px;
            border-radius: 18px;
            border: 1px solid var(--line);
            background: rgba(255,255,255,.03);
        }
        .stat-item strong{
            display: block;
            font-size: 1.2rem;
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-item span{
            color: var(--muted);
            font-size: .88rem;
        }
        .news-layout{
            display: grid;
            grid-template-columns: minmax(0, 1.25fr) minmax(300px, .9fr);
            gap: 18px;
        }
        .news-list{
            margin: 0;
            padding: 0;
            list-style: none;
            display: grid;
            gap: 12px;
        }
        .news-item{
            display: grid;
            grid-template-columns: 112px minmax(0, 1fr);
            gap: 14px;
            align-items: start;
            padding: 16px;
            border-radius: 20px;
            border: 1px solid var(--line);
            background: rgba(255,255,255,.03);
            transition: transform .2s ease, background .2s ease, border-color .2s ease;
        }
        .news-item:hover{
            transform: translateY(-2px);
            border-color: rgba(110,231,255,.22);
            background: rgba(255,255,255,.05);
        }
        .news-meta{
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-tag{
            display: inline-flex;
            align-items: center;
            gap: 6px;
            width: fit-content;
            padding: 6px 10px;
            border-radius: 999px;
            background: rgba(110,231,255,.10);
            color: #d9fbff;
            font-size: .78rem;
            font-weight: 700;
        }
        .news-item h3{
            margin: 0;
            font-size: 1.02rem;
            line-height: 1.35;
        }
        .news-item h3 a{
            color: var(--text);
        }
        .news-item h3 a:hover{
            color: var(--primary);
        }
        .news-item p{
            margin: 0;
            color: var(--muted);
            font-size: .93rem;
        }
        .news-side{
            height: 100%;
            border-radius: 24px;
            padding: 22px;
            border: 1px solid var(--line);
            background:
                linear-gradient(180deg, rgba(139,92,246,.10), rgba(255,255,255,.03)),
                rgba(255,255,255,.02);
        }
        .news-side h3{
            margin: 0 0 10px;
            font-size: 1.1rem;
        }
        .news-side p{
            color: var(--muted);
            margin-bottom: 18px;
        }
        .bullet-list{
            list-style: none;
            padding: 0;
            margin: 0 0 18px;
            display: grid;
            gap: 10px;
        }
        .bullet-list li{
            display: flex;
            gap: 10px;
            align-items: flex-start;
            color: var(--text);
            font-size: .93rem;
        }
        .bullet-list i{
            color: var(--success);
            margin-top: 4px;
        }
        .matrix-grid{
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 14px;
        }
        .matrix-item{
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px;
            border-radius: 20px;
            border: 1px solid var(--line);
            background: rgba(255,255,255,.03);
            transition: transform .2s ease, background .2s ease, border-color .2s ease;
        }
        .matrix-item:hover{
            transform: translateY(-2px);
            border-color: rgba(255,255,255,.14);
            background: rgba(255,255,255,.05);
        }
        .matrix-icon{
            width: 46px;
            height: 46px;
            display: grid;
            place-items: center;
            border-radius: 16px;
            color: #08111d;
            background: linear-gradient(135deg, #a3efff, #d8bcff);
            flex: 0 0 auto;
        }
        .matrix-item strong{
            display: block;
            margin-bottom: 4px;
        }
        .matrix-item span{
            display: block;
            color: var(--muted);
            font-size: .9rem;
        }
        .hot-grid{
            display: grid;
            grid-template-columns: repeat(4, minmax(240px, 1fr));
            gap: 14px;
        }
        .hot-card{
            position: relative;
            min-height: 218px;
            padding: 20px;
            border-radius: 22px;
            border: 1px solid var(--line);
            background:
                linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)),
                rgba(255,255,255,.02);
        }
        .hot-card .rank{
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 14px;
            margin-bottom: 16px;
            color: #08111d;
            background: linear-gradient(135deg, #a3efff, #d8bcff);
            font-weight: 900;
        }
        .hot-card h3{
            margin: 0 0 8px;
            font-size: 1.02rem;
        }
        .hot-card p{
            margin: 0 0 16px;
            color: var(--muted);
            font-size: .93rem;
        }
        .tag-row{
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }
        .small-tag{
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 10px;
            border-radius: 999px;
            border: 1px solid var(--line);
            color: var(--muted);
            font-size: .8rem;
            background: rgba(255,255,255,.03);
        }
        .hot-card .card-action{
            position: absolute;
            left: 20px;
            right: 20px;
            bottom: 20px;
        }
        .hot-card .card-action a{
            display: inline-flex;
            align-items: center;
            gap: 8px;
            width: 100%;
            justify-content: center;
            min-height: 44px;
            border-radius: 14px;
            color: #08111d;
            background: linear-gradient(135deg, #9beeff, #d8bcff);
            font-weight: 800;
        }
        .steps-grid{
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 14px;
        }
        .step-card{
            padding: 20px;
            border-radius: 22px;
            border: 1px solid var(--line);
            background: rgba(255,255,255,.03);
            position: relative;
            overflow: hidden;
        }
        .step-card::after{
            content:"";
            position:absolute;
            inset:auto -20% -40% auto;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(110,231,255,.14), transparent 70%);
            pointer-events:none;
        }
        .step-no{
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 14px;
            margin-bottom: 12px;
            color: #08111d;
            background: linear-gradient(135deg, #a3efff, #d8bcff);
            font-weight: 900;
        }
        .step-card h3{
            margin: 0 0 8px;
            font-size: 1.02rem;
        }
        .step-card p{
            margin: 0;
            color: var(--muted);
            font-size: .93rem;
        }
        .review-head{
            display: grid;
            grid-template-columns: .8fr 1.2fr;
            gap: 16px;
            align-items: stretch;
            margin-bottom: 16px;
        }
        .review-summary,
        .review-note{
            border-radius: 24px;
            border: 1px solid var(--line);
            background: rgba(255,255,255,.03);
            padding: 22px;
        }
        .review-summary .score{
            display: flex;
            align-items: end;
            gap: 12px;
            margin-bottom: 14px;
        }
        .score strong{
            font-size: 3rem;
            line-height: 1;
            letter-spacing: -.04em;
        }
        .score span{
            color: var(--muted);
            font-size: .95rem;
        }
        .stars{
            color: #f7c86d;
            font-size: .92rem;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }
        .review-summary p,
        .review-note p{
            margin: 0;
            color: var(--muted);
        }
        .quote-grid{
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 14px;
        }
        .quote-card{
            padding: 20px;
            border-radius: 22px;
            border: 1px solid var(--line);
            background: rgba(255,255,255,.03);
            height: 100%;
        }
        .quote-card .label{
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 14px;
            color: #d9fbff;
            font-size: .8rem;
            font-weight: 700;
        }
        .quote-card p{
            margin: 0 0 14px;
            color: var(--text);
            font-size: .95rem;
        }
        .quote-card .who{
            color: var(--muted);
            font-size: .88rem;
        }
        .lead-grid{
            display: grid;
            grid-template-columns: 1fr .92fr;
            gap: 16px;
        }
        .lead-form-card,
        .lead-info-card{
            border-radius: 24px;
            border: 1px solid var(--line);
            background: rgba(255,255,255,.03);
            padding: 22px;
        }
        .lead-form-card h3,
        .lead-info-card h3{
            margin: 0 0 10px;
            font-size: 1.1rem;
        }
        .lead-form-card p,
        .lead-info-card p{
            color: var(--muted);
            margin-bottom: 16px;
        }
        .form-label{
            color: var(--text);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .form-control,
        .form-select,
        .form-control:focus,
        .form-select:focus{
            background: rgba(255,255,255,.04);
            color: var(--text);
            border-color: var(--line);
            box-shadow: none;
        }
        .form-control,
        .form-select{
            border-radius: 14px;
            min-height: 48px;
        }
        .form-control::placeholder{
            color: rgba(158,178,203,.65);
        }
        textarea.form-control{
            min-height: 120px;
            resize: vertical;
        }
        .form-control:focus,
        .form-select:focus{
            border-color: rgba(110,231,255,.35);
            background: rgba(255,255,255,.05);
            color: var(--text);
            box-shadow: 0 0 0 .2rem rgba(110,231,255,.12);
        }
        .form-hint{
            color: var(--muted);
            font-size: .9rem;
        }
        .lead-bullets{
            list-style: none;
            padding: 0;
            margin: 18px 0 0;
            display: grid;
            gap: 10px;
        }
        .lead-bullets li{
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text);
            font-size: .93rem;
        }
        .lead-bullets i{
            color: var(--success);
            margin-top: 4px;
        }
        .faq .accordion{
            display: grid;
            gap: 12px;
        }
        .faq .accordion-item{
            border: 1px solid var(--line);
            border-radius: 18px;
            overflow: hidden;
            background: rgba(255,255,255,.03);
        }
        .faq .accordion-button{
            background: transparent;
            color: var(--text);
            font-weight: 700;
            box-shadow: none;
            padding: 18px 20px;
        }
        .faq .accordion-button:not(.collapsed){
            color: var(--text);
            background: rgba(110,231,255,.05);
        }
        .faq .accordion-button::after{
            filter: invert(1) brightness(1.5);
        }
        .faq .accordion-body{
            color: var(--muted);
            padding: 0 20px 18px;
        }
        .footer{
            margin-top: 28px;
            padding: 34px 0 96px;
            border-top: 1px solid var(--line);
            background: linear-gradient(180deg, rgba(8,16,27,.15), rgba(8,16,27,.45));
        }
        .footer-top{
            display: grid;
            grid-template-columns: 1.2fr .8fr .8fr;
            gap: 18px;
        }
        .footer-box{
            padding: 6px 0;
        }
        .footer-box h3{
            font-size: 1rem;
            margin: 0 0 12px;
        }
        .footer-box p{
            color: var(--muted);
            margin: 0;
        }
        .footer-links{
            display: grid;
            gap: 8px;
        }
        .footer-links a{
            color: var(--muted);
        }
        .footer-links a:hover{
            color: var(--text);
        }
        .footer-bottom{
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
            color: var(--muted-2);
            font-size: .92rem;
        }
        .fixed-cta{
            position: fixed;
            left: 50%;
            transform: translateX(-50%);
            bottom: 16px;
            width: min(1200px, calc(100% - 24px));
            z-index: 1040;
            border-radius: 20px;
            border: 1px solid var(--line);
            background: rgba(10,18,31,.82);
            backdrop-filter: blur(18px);
            box-shadow: var(--shadow);
            padding: 12px 14px;
        }
        .fixed-cta-inner{
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
        }
        .fixed-cta p{
            margin: 0;
            color: var(--muted);
            font-size: .92rem;
        }
        .fixed-cta .actions{
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .badge-soft{
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 12px;
            border-radius: 999px;
            border: 1px solid var(--line);
            background: rgba(255,255,255,.03);
            color: var(--muted);
            font-size: .82rem;
        }
        .toc-mobile{
            display: none;
            margin-bottom: 18px;
        }
        .toc-mobile .toc-strip{
            display: flex;
            gap: 10px;
            overflow-x: auto;
            padding-bottom: 6px;
            scrollbar-width: none;
        }
        .toc-mobile .toc-strip::-webkit-scrollbar{ display: none; }
        .toc-mobile a{
            flex: 0 0 auto;
            padding: 10px 14px;
            border-radius: 999px;
            border: 1px solid var(--line);
            background: rgba(255,255,255,.03);
            color: var(--muted);
            white-space: nowrap;
        }
        .toc-mobile a:hover{
            color: var(--text);
            background: rgba(255,255,255,.05);
        }
        @media (max-width: 1199.98px){
            .directory-grid,
            .value-grid,
            .matrix-grid,
            .quote-grid,
            .steps-grid,
            .footer-top{
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
            .news-layout,
            .lead-grid,
            .review-head{
                grid-template-columns: 1fr;
            }
            .hot-grid{
                grid-template-columns: repeat(4, minmax(240px, 1fr));
                overflow-x: auto;
                padding-bottom: 6px;
            }
        }
        @media (max-width: 991.98px){
            .header-top{
                gap: 14px;
                flex-wrap: wrap;
            }
            .search-box{
                order: 3;
                flex-basis: 100%;
            }
            .hero-shell{
                padding: 24px;
                border-radius: 28px;
            }
            .hero h1{
                max-width: 100%;
            }
            .toc-card{
                position: static;
            }
            .toc-mobile{
                display: block;
            }
            .content-section{
                scroll-margin-top: 106px;
            }
            .directory-grid,
            .value-grid,
            .matrix-grid,
            .quote-grid,
            .steps-grid,
            .footer-top{
                grid-template-columns: 1fr;
            }
            .stat-strip{
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
            .news-item{
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 767.98px){
            body{
                padding-bottom: 138px;
            }
            .header-top{
                padding-top: 14px;
            }
            .brand-text{
                font-size: .98rem;
            }
            .brand-mark{
                width: 40px;
                height: 40px;
            }
            .meta-switches{
                width: 100%;
            }
            .meta-chip{
                padding: 8px 11px;
                font-size: .84rem;
            }
            .hero{
                padding-top: 22px;
            }
            .hero-shell,
            .panel-inner{
                padding: 20px;
                border-radius: 24px;
            }
            .hero h1{
                font-size: clamp(2rem, 8vw, 3rem);
            }
            .hero-lead{
                font-size: .98rem;
            }
            .btn-neo{
                width: 100%;
            }
            .compare-card{
                padding: 14px;
            }
            .compare-action{
                width: 100%;
            }
            .section-header{
                margin-bottom: 18px;
            }
            .section-header h2{
                font-size: 1.28rem;
            }
            .section-header p{
                font-size: .94rem;
            }
            .fixed-cta{
                width: calc(100% - 14px);
                bottom: 8px;
                border-radius: 18px;
            }
            .fixed-cta-inner{
                gap: 10px;
            }
            .fixed-cta .actions{
                width: 100%;
            }
            .fixed-cta .actions .btn-neo{
                flex: 1 1 0;
            }
        }
        @media (max-width: 519.98px){
            .search-box .form-control{
                padding-right: 96px;
                height: 48px;
            }
            .search-submit{
                padding: 0 12px;
                font-size: .9rem;
            }
            .trust-strip,
            .tag-row{
                gap: 8px;
            }
            .trust-item,
            .small-tag,
            .badge-soft{
                font-size: .78rem;
            }
            .stat-strip{
                grid-template-columns: 1fr;
            }
            .news-item,
            .directory-card,
            .value-card,
            .step-card,
            .review-summary,
            .review-note,
            .lead-form-card,
            .lead-info-card{
                padding: 18px;
            }
            .footer{
                padding-bottom: 110px;
            }
        }
        @keyframes floatCard{
            0%,100%{ transform: translateY(0); }
            50%{ transform: translateY(-4px); }
        }
        .float-card{
            animation: floatCard 5s ease-in-out infinite;
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}