/* roulang page: index */
:root{
            --blue:#1769d2;
            --blue-deep:#0d4fa8;
            --cyan:#32d6e7;
            --navy:#0b1830;
            --navy-2:#102442;
            --ink:#14243d;
            --muted:#66758d;
            --soft:#edf5fc;
            --page:#f7faff;
            --white:#fff;
            --line:#dce8f3;
            --success:#1e9b78;
            --warning:#d69128;
            --radius:18px;
            --radius-sm:12px;
            --shadow:0 12px 35px rgba(26,71,117,.08);
            --shadow-hover:0 18px 42px rgba(22,85,153,.16);
            --space:clamp(4rem,8vw,7.5rem);
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:var(--page);
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
            line-height:1.75;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{max-width:1180px}
        .site-header{
            position:sticky;top:0;z-index:1000;
            background:rgba(11,24,48,.97);
            box-shadow:0 8px 26px rgba(3,15,34,.18);
            border-bottom:1px solid rgba(50,214,231,.7);
        }
        .navbar{min-height:74px;padding:0}
        .brand{
            display:inline-flex;align-items:center;gap:11px;
            color:#fff!important;font-weight:800;letter-spacing:.02em;
            font-size:1.06rem;white-space:nowrap;
        }
        .brand-mark{
            width:30px;height:30px;border:2px solid var(--cyan);
            display:grid;place-items:center;border-radius:9px;
            color:var(--cyan);font-size:.72rem;font-weight:900;
            box-shadow:0 0 15px rgba(50,214,231,.3);
        }
        .navbar-nav{gap:5px}
        .nav-link{
            position:relative;color:#b8c8dd!important;
            padding:25px 15px!important;font-size:.94rem;
            transition:color .2s ease,background .2s ease;
        }
        .nav-link::after{
            content:"";position:absolute;left:15px;right:15px;bottom:14px;
            height:2px;background:var(--cyan);transform:scaleX(0);
            transform-origin:center;transition:transform .2s ease;
            box-shadow:0 0 10px var(--cyan);
        }
        .nav-link:hover,.nav-link.active{color:#fff!important}
        .nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
        .nav-action{
            background:var(--blue);color:#fff!important;border-radius:9px;
            padding:10px 17px!important;margin-left:12px;
            box-shadow:0 6px 18px rgba(23,105,210,.3);
        }
        .nav-action::after{display:none}
        .nav-action:hover{background:#2780ee;transform:translateY(-1px)}
        .navbar-toggler{border:1px solid rgba(255,255,255,.35);padding:8px}
        .navbar-toggler:focus{box-shadow:0 0 0 3px rgba(50,214,231,.25)}
        .navbar-toggler-icon{filter:invert(1)}
        .hero{
            position:relative;overflow:hidden;
            padding:clamp(4.5rem,9vw,8.5rem) 0 4rem;
            background:
                radial-gradient(circle at 83% 18%,rgba(50,214,231,.12),transparent 28%),
                linear-gradient(135deg,#f8fbff 0%,#edf6ff 100%);
        }
        .hero::before{
            content:"";position:absolute;inset:auto -8% -38% 45%;height:430px;
            border:1px solid rgba(23,105,210,.1);border-radius:50%;
            transform:rotate(-12deg);
        }
        .eyebrow,.section-kicker{
            display:inline-flex;align-items:center;gap:9px;
            color:var(--blue);font-weight:800;font-size:.78rem;
            letter-spacing:.12em;text-transform:uppercase;
        }
        .eyebrow::before,.section-kicker::before{
            content:"";width:25px;height:2px;background:var(--cyan);
            box-shadow:0 0 8px rgba(50,214,231,.6)
        }
        h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.035em}
        h1{font-size:clamp(2.5rem,5.5vw,5.1rem);line-height:1.12;max-width:760px}
        h2{font-size:clamp(1.8rem,3.2vw,3rem);line-height:1.2}
        h3{font-size:1.22rem;line-height:1.4}
        .hero-copy{position:relative;z-index:1}
        .hero-lead{max-width:650px;color:#52647d;font-size:1.08rem;margin:25px 0 30px}
        .btn-main,.btn-soft,.btn-darkline{
            display:inline-flex;align-items:center;justify-content:center;gap:9px;
            min-height:48px;padding:0 21px;border-radius:10px;
            font-weight:700;border:1px solid transparent;
            transition:all .22s ease;
        }
        .btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 22px rgba(23,105,210,.23)}
        .btn-main:hover{background:var(--blue-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(23,105,210,.3)}
        .btn-soft{background:#fff;color:var(--blue);border-color:#bfd5ed}
        .btn-soft:hover{background:#eaf4ff;color:var(--blue-deep);border-color:var(--blue);transform:translateY(-2px)}
        .btn-darkline{background:transparent;color:#d9faff;border-color:rgba(50,214,231,.6)}
        .btn-darkline:hover{background:rgba(50,214,231,.12);color:#fff;border-color:var(--cyan)}
        .btn-main:focus,.btn-soft:focus,.btn-darkline:focus,.form-control:focus,.nav-link:focus{outline:3px solid rgba(50,214,231,.35);outline-offset:3px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .hero-stage{position:relative;min-height:405px}
        .feature-poster{
            position:absolute;right:4%;top:8px;width:min(355px,80%);
            min-height:390px;padding:25px;color:#fff;border-radius:20px;
            overflow:hidden;background:
                linear-gradient(150deg,rgba(15,52,98,.15),rgba(5,17,38,.85)),
                repeating-linear-gradient(130deg,#184b88 0,#184b88 18px,#1c5b9d 19px,#1c5b9d 21px);
            box-shadow:0 25px 55px rgba(13,55,105,.25);
            transform:rotate(4deg);
        }
        .feature-poster::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 35%,rgba(5,14,31,.8))}
        .poster-top,.poster-bottom{position:relative;z-index:1}
        .poster-top{display:flex;justify-content:space-between;font-size:.75rem;color:#bfeaf2}
        .poster-number{font-size:5rem;line-height:1;font-weight:900;color:rgba(255,255,255,.14);margin-top:42px}
        .poster-title{font-size:2rem;font-weight:800;line-height:1.2;margin-top:82px}
        .poster-bottom{display:flex;justify-content:space-between;align-items:end;margin-top:35px;font-size:.78rem;color:#c8d8ec}
        .poster-progress{height:4px;background:rgba(255,255,255,.25);margin-top:9px}
        .poster-progress span{display:block;width:72%;height:100%;background:var(--cyan);box-shadow:0 0 9px var(--cyan)}
        .stage-note{
            position:absolute;left:0;bottom:25px;width:240px;padding:16px;
            background:#fff;border:1px solid var(--line);border-radius:14px;
            box-shadow:var(--shadow);z-index:2
        }
        .stage-note strong{display:block;font-size:1.3rem;color:var(--blue)}
        .stage-note small{color:var(--muted)}
        .index-strip{margin-top:54px;border-top:1px solid #cfe0ef;padding-top:18px;display:flex;gap:35px;flex-wrap:wrap}
        .index-item{display:flex;gap:10px;align-items:baseline}
        .index-item strong{font-size:1.35rem;color:var(--blue)}
        .index-item span{color:var(--muted);font-size:.85rem}
        .section{padding:var(--space) 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
        .section-head p{max-width:550px;margin:10px 0 0;color:var(--muted)}
        .section-link{color:var(--blue);font-weight:700;white-space:nowrap}
        .section-link:hover{color:var(--blue-deep)}
        .entry-zone{background:#fff}
        .entry-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:16px}
        .entry-card{
            min-height:225px;padding:25px;border:1px solid var(--line);
            border-radius:var(--radius);background:#fff;box-shadow:var(--shadow);
            position:relative;overflow:hidden;transition:all .25s ease;
        }
        .entry-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#9dc5ed}
        .entry-card.large{grid-row:span 2;min-height:466px;background:var(--navy);color:#fff}
        .entry-card.large h3{color:#fff;font-size:1.65rem;max-width:340px;margin-top:90px}
        .entry-card.large p{color:#b7c8dc;max-width:360px}
        .entry-card.large::after{content:"91";position:absolute;right:-8px;bottom:-47px;font-size:12rem;line-height:1;color:rgba(50,214,231,.1);font-weight:900}
        .entry-no{font-weight:900;color:var(--blue);font-size:.8rem;letter-spacing:.1em}
        .entry-card.large .entry-no{color:var(--cyan)}
        .entry-card h3{margin-top:30px}
        .entry-card p{color:var(--muted);font-size:.9rem;line-height:1.65}
        .entry-foot{position:absolute;bottom:22px;left:25px;right:25px;display:flex;justify-content:space-between;align-items:center}
        .tag{display:inline-flex;padding:4px 9px;border-radius:6px;background:#edf6ff;color:var(--blue);font-size:.74rem;font-weight:700}
        .tag.dark{background:rgba(50,214,231,.12);color:#a9f6fc}
        .arrow{font-size:1.25rem;color:var(--blue);transition:transform .2s}
        .entry-card:hover .arrow{transform:translateX(5px)}
        .metric-zone{background:#edf5fc}
        .metric-layout{display:grid;grid-template-columns:.85fr 1.4fr;gap:70px;align-items:center}
        .metric-copy p{color:var(--muted);margin:18px 0 0}
        .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
        .metric{background:#fff;border:1px solid var(--line);border-radius:14px;padding:23px;box-shadow:0 8px 22px rgba(27,76,120,.05)}
        .metric strong{font-size:2.2rem;color:var(--blue);display:block;line-height:1.1}
        .metric span{font-size:.82rem;color:var(--muted)}
        .meter{height:5px;background:#e6eef6;margin-top:17px;border-radius:5px;overflow:hidden}
        .meter i{display:block;height:100%;background:var(--cyan);border-radius:5px}
        .content-zone{background:#fff}
        .content-layout{display:grid;grid-template-columns:1.35fr .8fr;gap:18px}
        .main-feature{
            min-height:420px;border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;justify-content:end;
            color:#fff;position:relative;overflow:hidden;
            background:linear-gradient(180deg,rgba(13,48,92,.08),rgba(6,19,42,.88)),linear-gradient(135deg,#2879c5,#133e7b 60%,#0b1c3a);
        }
        .main-feature::before{content:"精选 01";position:absolute;right:25px;top:26px;color:rgba(255,255,255,.35);font-size:.8rem;letter-spacing:.15em}
        .main-feature h3{color:#fff;font-size:2rem;max-width:520px;margin:13px 0}
        .main-feature p{color:#c6d7eb;max-width:540px;margin:0 0 20px}
        .content-meta{display:flex;gap:10px;flex-wrap:wrap;color:#a9c1da;font-size:.78rem}
        .side-content{display:flex;flex-direction:column;gap:18px}
        .content-row{display:grid;grid-template-columns:112px 1fr;gap:17px;padding:15px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:.22s}
        .content-row:hover{border-color:#9dc5ed;box-shadow:var(--shadow);transform:translateX(3px)}
        .cover-mini{min-height:104px;border-radius:10px;background:linear-gradient(145deg,#d8eff7,#246bc1);position:relative;overflow:hidden}
        .cover-mini::after{content:"91";position:absolute;right:5px;bottom:-10px;font-size:3.5rem;font-weight:900;color:rgba(255,255,255,.35)}
        .content-row h4{font-size:1rem;margin:7px 0}
        .content-row p{font-size:.8rem;color:var(--muted);margin:0;line-height:1.55}
        .content-meta small{color:inherit}
        .content-row .content-meta{color:#7d8da2}
        .path-zone{background:var(--navy);color:#fff}
        .path-zone h2{color:#fff}.path-zone .section-kicker{color:#78ddea}
        .path-zone .section-head p{color:#aebfd4}
        .path-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
        .path-step{position:relative;padding:28px 30px 10px 0;border-top:1px solid rgba(151,191,226,.35);margin-right:25px}
        .path-step::before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 13px var(--cyan)}
        .path-step:last-child{margin-right:0}
        .step-number{font-size:.8rem;color:var(--cyan);font-weight:900;letter-spacing:.1em}
        .path-step h3{color:#fff;margin:12px 0 8px}
        .path-step p{color:#aebfd4;font-size:.88rem;line-height:1.65;min-height:56px}
        .path-step a{color:#7de7f0;font-size:.85rem;font-weight:700}
        .faq-zone{background:var(--page)}
        .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px}
        .faq-intro p{color:var(--muted);margin-top:16px}
        .accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:11px;overflow:hidden;background:#fff;box-shadow:0 4px 15px rgba(21,66,107,.04)}
        .accordion-button{font-weight:700;color:var(--ink);background:#fff;padding:19px 21px;box-shadow:none!important}
        .accordion-button:not(.collapsed){color:var(--blue);background:#f0f7ff}
        .accordion-button::after{background-size:13px}
        .accordion-body{color:var(--muted);font-size:.92rem;padding:0 21px 20px;background:#f0f7ff}
        .cta-zone{padding:55px 0;background:#dff3f7}
        .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:35px}
        .cta-inner p{color:#587184;margin:10px 0 0;max-width:620px}
        .subscribe{display:flex;gap:9px;min-width:min(100%,390px)}
        .form-control{height:49px;border:1px solid #bfd4e5;border-radius:9px;background:#fff;color:var(--ink)}
        .form-control::placeholder{color:#91a2b5}
        .form-control:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,105,210,.12)}
        .form-note{font-size:.76rem;color:#718597;margin-top:8px}
        .site-footer{background:var(--navy);color:#aebfd4;padding:52px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:50px}
        .footer-brand{color:#fff;font-weight:800;font-size:1.1rem}
        .footer-copy{font-size:.86rem;max-width:360px;margin:15px 0 0;line-height:1.8}
        .footer-title{color:#fff;font-size:.9rem;margin-bottom:13px}
        .footer-links{list-style:none;padding:0;margin:0}
        .footer-links li{margin:7px 0;font-size:.85rem}
        .footer-links a:hover{color:var(--cyan)}
        .footer-bottom{border-top:1px solid rgba(174,191,212,.18);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;font-size:.76rem}
        .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
        @media(max-width:991px){
            .nav-link{padding:13px 15px!important}.nav-link::after{bottom:5px}
            .nav-action{margin:8px 15px}
            .hero-stage{min-height:360px;margin-top:35px}
            .metric-layout,.faq-layout{grid-template-columns:1fr;gap:30px}
            .entry-grid{grid-template-columns:1fr 1fr}.entry-card.large{grid-row:auto;grid-column:span 2;min-height:300px}
            .entry-card.large h3{margin-top:35px}.path-list{grid-template-columns:1fr}
            .path-step{margin:0;padding-bottom:25px}.path-step:last-child{padding-bottom:0}
            .cta-inner{align-items:flex-start;flex-direction:column}
            .subscribe{width:100%;max-width:530px}
        }
        @media(max-width:767px){
            :root{--space:4.5rem}
            .hero{padding-top:4.5rem}.hero-lead{font-size:1rem}
            h1{font-size:2.65rem}.section-head{display:block}.section-link{display:inline-block;margin-top:14px}
            .entry-grid,.content-layout{grid-template-columns:1fr}.entry-card.large{grid-column:auto;min-height:320px}
            .metric-grid{grid-template-columns:1fr 1fr}.metric{padding:17px}.metric strong{font-size:1.8rem}
            .main-feature{min-height:360px}.content-row{grid-template-columns:96px 1fr}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
            .footer-grid>div:first-child{grid-column:span 2}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
        }
        @media(max-width:520px){
            .brand{font-size:.94rem}.hero-stage{min-height:335px}.feature-poster{right:0;width:78%;min-height:320px}
            .stage-note{width:190px;padding:12px;bottom:5px}.poster-title{font-size:1.55rem;margin-top:58px}.poster-number{font-size:4rem}
            .index-strip{gap:18px;margin-top:35px}.index-item strong{font-size:1.1rem}
            .metric-grid{grid-template-columns:1fr}.subscribe{display:block}.subscribe .btn-main{width:100%;margin-top:9px}
            .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
            .hero-actions .btn-main,.hero-actions .btn-soft{width:100%}
        }
        @media(prefers-reduced-motion:reduce){
            *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
        }

/* roulang page: category2 */
:root{
 --blue:#1769d2;--blue-deep:#0d4fa8;--cyan:#32d6e7;--navy:#0b1830;--navy-2:#102442;
 --ink:#14243d;--muted:#66758d;--soft:#edf5fc;--page:#f7faff;--white:#fff;
 --line:#dce8f3;--success:#1e9b78;--warning:#d69128;--danger:#c35d63;
 --radius:18px;--radius-sm:12px;--shadow:0 12px 35px rgba(26,71,117,.08);
 --shadow-hover:0 18px 42px rgba(22,85,153,.16);--space:clamp(4rem,8vw,7.5rem);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--page);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer}
.container{max-width:1180px}.site-header{position:sticky;top:0;z-index:1000;background:rgba(11,24,48,.97);box-shadow:0 8px 26px rgba(3,15,34,.18);border-bottom:1px solid rgba(50,214,231,.7)}
.navbar{min-height:74px;padding:0}.brand{display:inline-flex;align-items:center;gap:11px;color:#fff!important;font-weight:800;letter-spacing:.02em;font-size:1.06rem;white-space:nowrap}
.brand-mark{width:30px;height:30px;border:2px solid var(--cyan);display:grid;place-items:center;border-radius:9px;color:var(--cyan);font-size:.72rem;font-weight:900;box-shadow:0 0 15px rgba(50,214,231,.3)}
.navbar-nav{gap:5px}.nav-link{position:relative;color:#b8c8dd!important;padding:25px 15px!important;font-size:.94rem;transition:color .2s ease,background .2s ease}
.nav-link:after{content:"";position:absolute;left:15px;right:15px;bottom:14px;height:2px;background:var(--cyan);transform:scaleX(0);transition:transform .2s ease;box-shadow:0 0 10px var(--cyan)}
.nav-link:hover,.nav-link.active{color:#fff!important}.nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}
.nav-action{background:var(--blue);color:#fff!important;border-radius:9px;padding:10px 17px!important;margin-left:12px;box-shadow:0 6px 18px rgba(23,105,210,.3)}
.nav-action:after{display:none}.nav-action:hover{background:#2780ee;transform:translateY(-1px)}
.navbar-toggler{border:1px solid rgba(255,255,255,.35);padding:8px}.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(50,214,231,.25)}.navbar-toggler-icon{filter:invert(1)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.03em;line-height:1.22}
h1{font-size:clamp(2.25rem,5vw,4.45rem)}h2{font-size:clamp(1.8rem,3vw,2.8rem)}h3{font-size:1.18rem}
p{margin:0;color:var(--muted)}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-weight:800;font-size:.78rem;letter-spacing:.12em}
.eyebrow:before,.section-kicker:before{content:"";width:25px;height:2px;background:var(--cyan);box-shadow:0 0 8px rgba(50,214,231,.6)}
.btn-main,.btn-soft,.btn-darkline{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:all .22s ease}
.btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 22px rgba(23,105,210,.23)}.btn-main:hover{background:var(--blue-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(23,105,210,.3)}
.btn-soft{background:#fff;color:var(--blue);border-color:#bfd5ed}.btn-soft:hover{background:#eaf4ff;color:var(--blue-deep);border-color:var(--blue);transform:translateY(-2px)}
.btn-darkline{background:transparent;color:#d9faff;border-color:rgba(50,214,231,.6)}.btn-darkline:hover{background:rgba(50,214,231,.12);color:#fff;border-color:var(--cyan)}
.btn-main:focus,.btn-soft:focus,.btn-darkline:focus,.form-control:focus,.nav-link:focus{outline:3px solid rgba(50,214,231,.35);outline-offset:3px}
.hero-wide{padding:clamp(4rem,8vw,7rem) 0 3rem;background:linear-gradient(135deg,#f8fbff,#eaf5ff);position:relative;overflow:hidden}
.hero-wide:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(23,105,210,.12);border-radius:50%;right:-190px;top:-220px}
.breadcrumb-line{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:.88rem;margin:22px 0}.breadcrumb-line a{color:var(--blue)}.breadcrumb-line span{color:#a2b2c5}
.hero-summary{max-width:700px;font-size:1.08rem;margin-top:24px}.hero-tools{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.stat-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}.stat-chip{padding:9px 14px;border:1px solid #cfe0ef;background:rgba(255,255,255,.75);border-radius:9px;color:var(--muted);font-size:.86rem}.stat-chip strong{color:var(--blue);margin-right:5px}
.topic-banner{margin-top:35px;background:var(--navy);border-radius:var(--radius);padding:30px 34px;color:#fff;position:relative;overflow:hidden;box-shadow:0 20px 45px rgba(11,24,48,.2)}
.topic-banner:before{content:"更新轨迹";position:absolute;right:28px;top:18px;color:rgba(50,214,231,.18);font-size:4rem;font-weight:900;letter-spacing:.08em}
.banner-content{position:relative;z-index:1;max-width:690px}.banner-content h2{color:#fff;font-size:clamp(1.6rem,3vw,2.4rem);margin:12px 0}.banner-content p{color:#b8c8dd}.banner-tag{color:var(--cyan);font-size:.78rem;font-weight:800;letter-spacing:.12em}
.section{padding:var(--space) 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}.section-head p{max-width:560px}
.topic-layout{display:grid;grid-template-columns:1fr 1.55fr;gap:24px;align-items:start}.side-panel,.topic-card,.wide-card,.timeline-item,.tag-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.side-panel{padding:24px;position:sticky;top:100px}.side-panel h3{margin-bottom:18px}.filter-list{list-style:none;padding:0;margin:0}.filter-list li+li{border-top:1px solid var(--line)}.filter-list a{display:flex;justify-content:space-between;gap:12px;padding:13px 0;color:var(--muted);transition:color .2s ease,padding .2s ease}.filter-list a:hover,.filter-list a.active{color:var(--blue);padding-left:7px}.count{color:#9aacbf;font-size:.8rem}
.tag-box{padding:22px;margin-top:18px}.tag-box h4{font-size:1rem;margin-bottom:15px}.tag-cloud{display:flex;gap:8px;flex-wrap:wrap}.tag{display:inline-flex;padding:6px 10px;border-radius:7px;background:var(--soft);color:var(--blue);font-size:.8rem;border:1px solid transparent}.tag:hover{border-color:#9fc5e9;background:#fff}
.topic-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.topic-card{overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}.topic-card:hover,.wide-card:hover,.timeline-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#a8c9e9}
.topic-card.large{grid-row:span 2}.cover{height:148px;background:linear-gradient(135deg,#134883,#237bc0 58%,#32d6e7);position:relative;overflow:hidden}.large .cover{height:250px}.cover:after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(125deg,transparent 0 25px,rgba(255,255,255,.08) 26px 27px)}.cover-number{position:absolute;z-index:1;left:20px;top:18px;color:#fff;font-size:2rem;font-weight:900}.cover-status{position:absolute;z-index:1;right:16px;top:17px;background:rgba(11,24,48,.75);padding:5px 9px;border-radius:6px;color:#d9faff;font-size:.74rem}
.card-body-custom{padding:21px}.meta{display:flex;align-items:center;justify-content:space-between;gap:8px;color:#8a9aaf;font-size:.78rem;margin-bottom:11px}.meta b{color:var(--blue);font-weight:700}.card-body-custom h3{margin-bottom:9px}.card-body-custom p{font-size:.9rem;line-height:1.7}.entry-link{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-weight:700;font-size:.86rem;margin-top:17px}.entry-link span{transition:transform .2s}.entry-link:hover span{transform:translateX(5px)}
.timeline{position:relative;margin-top:18px;padding-left:28px}.timeline:before{content:"";position:absolute;left:8px;top:10px;bottom:12px;width:2px;background:linear-gradient(var(--cyan),#b9d8ee)}.timeline-item{position:relative;padding:23px 25px;margin-bottom:16px;transition:all .25s}.timeline-item:before{content:"";position:absolute;left:-26px;top:30px;width:12px;height:12px;border-radius:50%;background:var(--blue);border:3px solid var(--page);box-shadow:0 0 0 2px var(--cyan)}.timeline-head{display:flex;justify-content:space-between;gap:20px;align-items:start;margin-bottom:8px}.timeline-no{color:var(--blue);font-size:.77rem;font-weight:800;letter-spacing:.1em}.timeline-date{color:#8b9bad;font-size:.78rem;white-space:nowrap}.progress-line{height:5px;background:#e8f0f7;border-radius:5px;overflow:hidden;margin-top:16px}.progress-line i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:5px}
.theme-row{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.theme-item{padding:19px 16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);transition:all .2s}.theme-item:hover{border-color:#9fc5e9;box-shadow:var(--shadow);transform:translateY(-3px)}.theme-item strong{display:block;color:var(--blue);font-size:1.15rem;margin-bottom:5px}.theme-item span{font-size:.82rem;color:var(--muted)}
.faq-wrap{max-width:850px}.accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:12px;overflow:hidden;background:#fff;box-shadow:0 5px 18px rgba(26,71,117,.04)}.accordion-button{font-weight:700;color:var(--ink);background:#fff;padding:19px 22px;box-shadow:none!important}.accordion-button:not(.collapsed){color:var(--blue);background:#f1f7fd}.accordion-button:after{background-size:14px}.accordion-body{color:var(--muted);padding:0 22px 20px;font-size:.92rem}
.cta{padding:52px 0;background:var(--navy);color:#fff}.cta h2{color:#fff;font-size:clamp(1.7rem,3vw,2.6rem)}.cta p{color:#b8c8dd;max-width:590px;margin-top:12px}.subscribe-form{display:flex;gap:10px;margin-top:24px;max-width:590px}.form-control{min-height:48px;border:1px solid #c9d9e8;border-radius:10px;padding:0 15px;color:var(--ink);background:#fff}.form-control:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(50,214,231,.16)}.form-note{font-size:.78rem;color:#91a5bf;margin-top:10px}
.site-footer{background:#081426;color:#b8c8dd;padding:54px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:45px}.footer-brand{display:inline-block;color:#fff;font-size:1.15rem;font-weight:800;margin-bottom:13px}.footer-copy{max-width:360px;color:#8fa2bb;font-size:.88rem}.footer-title{color:#fff;font-weight:700;margin-bottom:14px}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:8px 0}.footer-links a{color:#9db0c8;font-size:.88rem;transition:color .2s}.footer-links a:hover{color:var(--cyan)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:18px;color:#7388a3;font-size:.78rem}
@media(max-width:991px){.nav-link{padding:14px 15px!important}.nav-link:after{bottom:5px}.nav-action{margin:8px 15px 15px}.topic-layout{grid-template-columns:1fr}.side-panel{position:static}.theme-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:767px){.hero-wide{padding-top:3.5rem}.topic-banner{padding:25px 22px}.topic-banner:before{font-size:2.4rem}.topic-grid{grid-template-columns:1fr}.large .cover{height:190px}.section{padding:4rem 0}.section-head{display:block}.section-head p{margin-top:13px}.subscribe-form{display:block}.subscribe-form .btn-main{width:100%;margin-top:10px}.footer-grid{grid-template-columns:1fr;gap:27px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}.timeline{padding-left:20px}.timeline:before{left:5px}.timeline-item:before{left:-21px}}
@media(max-width:520px){h1{font-size:2.35rem}.hero-tools a{width:100%}.stat-strip{display:grid;grid-template-columns:1fr 1fr}.topic-card .cover{height:150px}.theme-row{grid-template-columns:1fr}.timeline-head{display:block}.timeline-date{display:block;margin-top:5px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
 --blue:#1769d2;
 --blue-deep:#0d4fa8;
 --cyan:#32d6e7;
 --navy:#0b1830;
 --navy-2:#102442;
 --ink:#14243d;
 --muted:#66758d;
 --soft:#edf5fc;
 --page:#f7faff;
 --white:#fff;
 --line:#dce8f3;
 --success:#1e9b78;
 --warning:#d69128;
 --danger:#c65b65;
 --radius:18px;
 --radius-sm:12px;
 --shadow:0 12px 35px rgba(26,71,117,.08);
 --shadow-hover:0 18px 42px rgba(22,85,153,.16);
 --space:clamp(4rem,8vw,7.5rem);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;color:var(--ink);background:var(--page);
 font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
 line-height:1.75;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p{margin-top:0}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.03em}
h1{font-size:clamp(2.25rem,5vw,4.15rem);line-height:1.14}
h2{font-size:clamp(1.75rem,3vw,2.65rem);line-height:1.25}
h3{font-size:1.18rem;line-height:1.45}
a{color:inherit;text-decoration:none}
a:hover{color:var(--blue)}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
.container{max-width:1180px}
.site-header{
 position:sticky;top:0;z-index:1000;background:rgba(11,24,48,.97);
 box-shadow:0 8px 26px rgba(3,15,34,.18);
 border-bottom:1px solid rgba(50,214,231,.7)
}
.navbar{min-height:74px;padding:0}
.brand{
 display:inline-flex;align-items:center;gap:11px;color:#fff!important;
 font-weight:800;letter-spacing:.02em;font-size:1.06rem;white-space:nowrap
}
.brand-mark{
 width:30px;height:30px;border:2px solid var(--cyan);display:grid;
 place-items:center;border-radius:9px;color:var(--cyan);font-size:.72rem;
 font-weight:900;box-shadow:0 0 15px rgba(50,214,231,.3)
}
.navbar-nav{gap:5px}
.nav-link{
 position:relative;color:#b8c8dd!important;padding:25px 15px!important;
 font-size:.94rem;transition:color .2s ease,background .2s ease
}
.nav-link::after{
 content:"";position:absolute;left:15px;right:15px;bottom:14px;height:2px;
 background:var(--cyan);transform:scaleX(0);transform-origin:center;
 transition:transform .2s ease;box-shadow:0 0 10px var(--cyan)
}
.nav-link:hover,.nav-link.active{color:#fff!important}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-action{
 background:var(--blue);color:#fff!important;border-radius:9px;
 padding:10px 17px!important;margin-left:12px;
 box-shadow:0 6px 18px rgba(23,105,210,.3)
}
.nav-action::after{display:none}
.nav-action:hover{background:#2780ee;transform:translateY(-1px)}
.navbar-toggler{border:1px solid rgba(255,255,255,.35);padding:8px}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(50,214,231,.25)}
.navbar-toggler-icon{filter:invert(1)}
.hero{
 position:relative;overflow:hidden;padding:clamp(4.2rem,8vw,6.8rem) 0 4.2rem;
 background:linear-gradient(135deg,#f8fbff 0%,#edf6ff 100%)
}
.hero:before{
 content:"";position:absolute;right:-10%;bottom:-230px;width:650px;height:470px;
 border:1px solid rgba(23,105,210,.12);border-radius:50%;transform:rotate(-14deg)
}
.hero-copy{position:relative;z-index:1}
.eyebrow,.section-kicker{
 display:inline-flex;align-items:center;gap:9px;color:var(--blue);
 font-weight:800;font-size:.78rem;letter-spacing:.12em
}
.eyebrow:before,.section-kicker:before{
 content:"";width:25px;height:2px;background:var(--cyan);
 box-shadow:0 0 8px rgba(50,214,231,.6)
}
.hero h1{max-width:720px;margin:20px 0 18px}
.hero-lead{max-width:710px;color:#52647d;font-size:1.08rem;margin-bottom:28px}
.breadcrumb-wrap{margin-bottom:22px}
.breadcrumb{margin:0;font-size:.86rem}
.breadcrumb-item a{color:var(--blue)}
.breadcrumb-item+.breadcrumb-item:before{color:#9aaabd}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-main,.btn-soft,.btn-darkline{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 min-height:48px;padding:0 21px;border-radius:10px;font-weight:700;
 border:1px solid transparent;transition:all .22s ease
}
.btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 22px rgba(23,105,210,.23)}
.btn-main:hover{background:var(--blue-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(23,105,210,.3)}
.btn-soft{background:#fff;color:var(--blue);border-color:#bfd5ed}
.btn-soft:hover{background:#eaf4ff;color:var(--blue-deep);border-color:var(--blue);transform:translateY(-2px)}
.btn-darkline{background:transparent;color:#d9faff;border-color:rgba(50,214,231,.6)}
.btn-darkline:hover{background:rgba(50,214,231,.12);color:#fff;border-color:var(--cyan)}
.btn-main:focus,.btn-soft:focus,.btn-darkline:focus,.form-control:focus,.nav-link:focus,.filter-link:focus{outline:3px solid rgba(50,214,231,.35);outline-offset:3px}
.hero-visual{position:relative;min-height:290px}
.topic-cover{
 position:absolute;right:7%;top:0;width:245px;height:300px;padding:25px;
 color:#fff;border-radius:18px;overflow:hidden;transform:rotate(4deg);
 background:linear-gradient(145deg,rgba(25,104,177,.18),rgba(5,17,38,.92)),repeating-linear-gradient(135deg,#174b86 0,#174b86 17px,#1e5c9e 18px,#1e5c9e 20px);
 box-shadow:0 24px 48px rgba(13,55,105,.22)
}
.topic-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 35%,rgba(5,14,31,.88))}
.cover-content{position:relative;z-index:1}
.cover-number{font-size:.78rem;color:var(--cyan);letter-spacing:.16em}
.cover-title{font-size:1.65rem;line-height:1.25;margin-top:82px}
.cover-status{display:inline-block;margin-top:12px;padding:4px 9px;border:1px solid rgba(50,214,231,.65);border-radius:6px;font-size:.73rem;color:#d9faff}
.hero-float{
 position:absolute;left:2%;bottom:12px;width:220px;padding:15px 17px;
 background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)
}
.hero-float strong{display:block;color:var(--blue);font-size:1.45rem}
.hero-float span{font-size:.84rem;color:var(--muted)}
.stat-strip{
 position:relative;z-index:2;margin-top:45px;padding-top:22px;border-top:1px solid rgba(125,166,207,.35);
 display:grid;grid-template-columns:repeat(4,1fr);gap:18px
}
.stat-item{display:flex;gap:10px;align-items:baseline}
.stat-item strong{font-size:1.35rem;color:var(--blue)}
.stat-item span{font-size:.84rem;color:var(--muted)}
.section{padding:var(--space) 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
.section-head p{max-width:560px;margin:0;color:var(--muted)}
.index-layout{display:grid;grid-template-columns:245px 1fr;gap:34px;align-items:start}
.filter-panel{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow);position:sticky;top:100px
}
.filter-title{font-weight:800;font-size:1.08rem;margin-bottom:15px}
.filter-caption{font-size:.82rem;color:var(--muted);margin-bottom:16px}
.filter-list{list-style:none;padding:0;margin:0}
.filter-list li+li{border-top:1px solid #edf2f7}
.filter-link{
 display:flex;justify-content:space-between;gap:12px;padding:12px 4px;
 color:#50637c;font-size:.92rem;transition:color .2s ease,padding .2s ease
}
.filter-link:hover,.filter-link.active{color:var(--blue);padding-left:7px}
.filter-count{color:#9aaabd;font-size:.78rem}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:23px}
.tag{
 display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;
 background:var(--soft);color:#52729a;font-size:.76rem;transition:.2s ease
}
.tag:hover{background:#dceeff;color:var(--blue)}
.content-column{min-width:0}
.featured-index{
 display:grid;grid-template-columns:1.15fr .85fr;gap:22px;margin-bottom:28px
}
.featured-card,.mini-card,.index-card,.topic-panel{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease
}
.featured-card:hover,.mini-card:hover,.index-card:hover,.topic-panel:hover{
 transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#b7d4ee
}
.featured-card{overflow:hidden}
.cover-box{height:210px;position:relative;overflow:hidden;background:linear-gradient(135deg,#173f76,#1d7ab3)}
.cover-box:before{
 content:"";position:absolute;inset:0;opacity:.55;
 background:repeating-linear-gradient(120deg,transparent 0 22px,rgba(50,214,231,.16) 23px 24px)
}
.cover-box:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,22,48,.75),transparent 65%)}
.cover-label{position:absolute;z-index:1;left:20px;bottom:16px;color:#fff;font-weight:800}
.card-body-custom{padding:22px}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:.78rem}
.badge-blue,.badge-green,.badge-orange{
 display:inline-flex;padding:4px 9px;border-radius:6px;font-size:.72rem;font-weight:700
}
.badge-blue{background:#e5f1ff;color:var(--blue)}
.badge-green{background:#e5f7f0;color:var(--success)}
.badge-orange{background:#fff3df;color:var(--warning)}
.card-title{margin:12px 0 8px;font-size:1.32rem}
.card-desc{margin:0;color:var(--muted);font-size:.9rem}
.card-foot{display:flex;justify-content:space-between;align-items:center;margin-top:19px}
.arrow-link{color:var(--blue);font-weight:800;font-size:.86rem}
.arrow-link span{display:inline-block;margin-left:6px;transition:transform .2s ease}
.index-card:hover .arrow-link span,.featured-card:hover .arrow-link span{transform:translateX(5px)}
.mini-stack{display:grid;gap:16px}
.mini-card{padding:20px}
.mini-card .card-title{font-size:1.08rem;margin-top:10px}
.mini-card .card-desc{font-size:.84rem}
.mini-line{height:3px;background:#eaf1f7;margin-top:16px;overflow:hidden;border-radius:5px}
.mini-line i{display:block;width:72%;height:100%;background:var(--cyan)}
.list-heading{display:flex;justify-content:space-between;align-items:center;margin:35px 0 16px}
.list-heading h2{font-size:1.5rem;margin:0}
.list-heading span{color:var(--muted);font-size:.84rem}
.index-list{display:grid;gap:14px}
.index-card{display:grid;grid-template-columns:175px 1fr;overflow:hidden}
.index-thumb{
 min-height:145px;position:relative;background:linear-gradient(135deg,#d8eff7,#3979b4);
}
.index-thumb:before{content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.55);transform:rotate(-8deg)}
.index-thumb span{position:absolute;left:17px;bottom:13px;color:#fff;font-size:.76rem;font-weight:700}
.index-card .card-body-custom{padding:18px 21px}
.index-card .card-title{font-size:1.08rem;margin:8px 0 5px}
.index-card .card-desc{font-size:.84rem}
.pagination-custom{display:flex;justify-content:center;gap:7px;margin-top:28px}
.page-link-custom{
 display:grid;place-items:center;width:39px;height:39px;border:1px solid var(--line);
 border-radius:9px;background:#fff;color:var(--muted);font-size:.84rem
}
.page-link-custom:hover,.page-link-custom.active{background:var(--blue);border-color:var(--blue);color:#fff}
.insight-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.insight-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:70px;align-items:center}
.insight-copy p{color:var(--muted);max-width:450px}
.data-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
.data-card{padding:20px;background:var(--soft);border-radius:var(--radius-sm);border:1px solid #dfedf8}
.data-card strong{display:block;color:var(--blue);font-size:1.7rem;line-height:1.2}
.data-card span{color:var(--muted);font-size:.82rem}
.progress-line{height:5px;background:#d9e8f4;border-radius:5px;margin-top:12px}
.progress-line i{display:block;height:100%;background:var(--blue);border-radius:5px}
.related-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.topic-panel{padding:25px}
.topic-panel.dark{background:var(--navy);color:#fff;border-color:var(--navy)}
.topic-panel.dark p{color:#b6c7dc}
.topic-panel h3{margin:12px 0 8px}
.topic-panel p{color:var(--muted);font-size:.9rem}
.topic-steps{display:grid;gap:14px;margin-top:17px}
.topic-step{display:flex;gap:15px;align-items:flex-start;padding:13px 0;border-top:1px solid rgba(220,232,243,.18)}
.step-no{color:var(--cyan);font-weight:800;font-size:.8rem;letter-spacing:.1em}
.accordion-custom{display:grid;gap:11px}
.accordion-item-custom{background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden}
.accordion-button-custom{
 width:100%;display:flex;align-items:center;gap:14px;background:#fff;color:var(--ink);
 border:0;padding:18px 20px;text-align:left;font-weight:700
}
.accordion-button-custom:hover{color:var(--blue);background:#f8fbff}
.accordion-button-custom[aria-expanded="true"]{color:var(--blue);background:#f1f8ff}
.faq-no{color:var(--cyan);font-size:.78rem}
.faq-icon{margin-left:auto;color:var(--blue);font-size:1.35rem;font-weight:400}
.accordion-answer{display:none;padding:0 55px 18px;color:var(--muted);font-size:.9rem}
.accordion-answer.show{display:block}
.cta-band{padding:38px 42px;background:var(--navy);border-radius:22px;color:#fff;box-shadow:0 18px 45px rgba(11,24,48,.16)}
.cta-band p{color:#b8c8dd;max-width:620px;margin-bottom:22px}
.subscribe-form{display:flex;gap:10px;max-width:620px}
.form-label{display:block;color:#dcecff;font-size:.82rem;margin-bottom:6px}
.form-control{
 min-height:48px;border:1px solid #cdddea;border-radius:10px;padding:0 14px;
 background:#fff;color:var(--ink);transition:border .2s ease,box-shadow .2s ease
}
.form-control:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,105,210,.12)}
.form-note{color:#91a7c1;font-size:.76rem;margin-top:9px}
.site-footer{padding:55px 0 22px;background:#08162d;color:#b7c7db}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:50px;padding-bottom:38px}
.footer-brand{display:inline-block;color:#fff;font-weight:800;font-size:1.14rem;margin-bottom:12px}
.footer-copy{max-width:390px;color:#91a7c1;font-size:.86rem;margin:0}
.footer-title{color:#fff;font-weight:700;margin-bottom:13px}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:.86rem}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;color:#7890ac;font-size:.75rem}
@media(max-width:991px){
 .nav-link{padding:13px 0!important}.nav-link:after{left:0;right:auto;width:28px;bottom:5px}
 .nav-action{display:inline-flex;margin:10px 0 15px;padding:10px 15px!important}
 .index-layout{grid-template-columns:1fr}.filter-panel{position:static}
 .filter-list{display:flex;gap:8px;overflow:auto}.filter-list li{border:0!important;white-space:nowrap}
 .filter-link{padding:8px 12px;background:var(--soft);border-radius:7px}
 .insight-grid{grid-template-columns:1fr;gap:30px}.related-grid{grid-template-columns:1fr}
}
@media(max-width:767px){
 .hero{padding-top:3.6rem}.hero-visual{min-height:350px;margin-top:30px}
 .topic-cover{right:8%;width:220px;height:275px}.hero-float{left:0;bottom:5px;width:190px}
 .stat-strip{grid-template-columns:repeat(2,1fr);gap:15px;margin-top:32px}
 .featured-index{grid-template-columns:1fr}.index-card{grid-template-columns:125px 1fr}
 .index-thumb{min-height:175px}.index-card .card-body-custom{padding:15px}
 .index-card .card-desc{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
 .section-head{display:block}.section-head p{margin-top:12px}
 .cta-band{padding:30px 22px}.subscribe-form{display:block}.subscribe-form .btn-main{width:100%;margin-top:10px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}
 .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
}
@media(max-width:520px){
 h1{font-size:2.2rem}.hero-actions a{width:100%}.stat-item strong{font-size:1.12rem}
 .index-card{grid-template-columns:1fr}.index-thumb{min-height:125px}
 .data-matrix{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}
 .footer-grid>div:first-child{grid-column:auto}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}