/* roulang page: index */
:root{
      --blue:#1768b3;--blue-dark:#0b477f;--blue-soft:#eaf4fc;--cyan:#56b8c9;
      --ink:#183047;--muted:#657b8f;--line:#dbe7ef;--paper:#fff;--bg:#f5f9fc;
      --warm:#f6a64b;--green:#2d9b75;--radius:18px;--shadow:0 14px 38px rgba(29,76,112,.10);
      --shadow-hover:0 20px 44px rgba(29,76,112,.16)
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.8}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(23,104,179,.28);outline-offset:3px}.container{max-width:1240px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.navbar{min-height:76px}.brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:800;color:var(--blue-dark);letter-spacing:.04em}.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 7px 17px rgba(23,104,179,.25)}.nav-link{font-size:14px;font-weight:600;color:#50677b!important;padding:9px 13px!important;border-radius:9px;transition:.2s}.nav-link:hover,.nav-link.active{color:var(--blue)!important;background:var(--blue-soft)}.nav-flag{font-size:12px;color:var(--green);background:#eaf8f2;padding:4px 9px;border-radius:30px;margin-right:9px;white-space:nowrap}.btn-main,.btn-ghost{border-radius:10px;padding:11px 20px;font-weight:700;transition:.2s;border:1px solid var(--blue)}.btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,104,179,.2)}.btn-main:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,104,179,.28)}.btn-ghost{background:#fff;color:var(--blue)}.btn-ghost:hover{background:var(--blue-soft);color:var(--blue-dark);transform:translateY(-2px)}.navbar-toggler{border:1px solid var(--line);padding:8px 10px}.navbar-toggler:active{transform:scale(.96)}
    .hero{padding:54px 0 28px;background:#eaf5fc url('/assets/images/backpic/back-1.webp') center/cover no-repeat}.hero-inner{background:rgba(250,253,255,.78);border:1px solid rgba(255,255,255,.8);border-radius:28px;padding:39px 44px;box-shadow:var(--shadow);display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}.eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;color:var(--blue);font-weight:800}.hero h1{font-size:clamp(38px,5vw,68px);line-height:1.16;letter-spacing:-.045em;margin:14px 0 20px;font-weight:900;color:#123e68}.hero-copy{font-size:17px;color:#4b687e;max-width:650px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.hero-note{font-size:13px;color:var(--muted);display:flex;gap:18px;flex-wrap:wrap}.hero-visual{position:relative}.hero-visual img{width:100%;height:330px;object-fit:cover;border-radius:20px;border:8px solid rgba(255,255,255,.82);box-shadow:var(--shadow-hover)}.coupon{position:absolute;left:-20px;bottom:22px;background:#fff;border-left:5px solid var(--warm);padding:14px 18px;border-radius:12px;box-shadow:var(--shadow);min-width:205px}.coupon strong{display:block;color:var(--blue-dark);font-size:18px}.status{display:inline-flex;align-items:center;gap:6px;border-radius:30px;padding:5px 10px;font-size:12px;font-weight:700}.status.live{background:#e8f7f1;color:#21815f}.status.next{background:#fff4e4;color:#a86616}.status.done{background:#edf1f4;color:#667988}
    section{padding:74px 0}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}.section-head h2{font-size:clamp(27px,3vw,42px);line-height:1.25;margin:8px 0 0;color:#173f64;letter-spacing:-.03em}.section-head p{max-width:590px;color:var(--muted);margin:0}.surface{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.entry-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:18px}.entry{padding:27px;min-height:190px;transition:.25s}.entry:hover,.topic:hover,.news-item:hover,.guide:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#b9d5e8}.entry h3,.topic h3,.guide h3{font-size:20px;margin:17px 0 8px}.entry p,.topic p,.guide p{color:var(--muted);font-size:14px;margin:0}.entry-main{background:var(--blue);color:#fff}.entry-main p{color:#d8ebf8}.entry-main .section-kicker{color:#bdeaf0}.arrow{color:var(--blue);font-size:20px}.entry-main .arrow{color:#fff}
    .calendar{display:grid;grid-template-columns:245px 1fr;gap:28px}.calendar-menu{padding:25px;background:#eff7fc;border-radius:var(--radius)}.calendar-menu a{display:block;padding:13px 15px;border-bottom:1px solid #d6e7f1;color:#547085;font-weight:700}.calendar-menu a:first-child,.calendar-menu a:hover{color:var(--blue);background:#fff;border-radius:9px}.calendar-content{padding:31px}.calendar-content h3{font-size:27px;margin:0 0 12px}.calendar-content>p{color:var(--muted);max-width:760px}.timeline{position:relative;margin-top:28px;padding-left:27px}.timeline:before{content:"";position:absolute;left:5px;top:7px;bottom:8px;width:2px;background:#c9e0ed}.time-node{position:relative;margin-bottom:25px}.time-node:before{content:"";position:absolute;left:-27px;top:8px;width:12px;height:12px;border:3px solid var(--blue);background:#fff;border-radius:50%}.time-node time{font-size:13px;color:var(--blue);font-weight:800}.time-node h4{font-size:17px;margin:3px 0}.time-node p{font-size:14px;color:var(--muted);margin:0}
    .topics{display:grid;grid-template-columns:1.3fr .7fr .7fr;grid-template-rows:1fr 1fr;gap:18px}.topic{position:relative;overflow:hidden;min-height:220px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);transition:.25s}.topic:first-child{grid-row:span 2}.topic img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.topic:after{content:"";position:absolute;inset:30% 0 0;background:linear-gradient(transparent,rgba(11,45,75,.85))}.topic-body{position:absolute;z-index:1;bottom:20px;left:22px;right:22px;color:#fff}.topic-body h3{margin:8px 0 3px}.topic-body p{color:#e4f2fa}.topic-body .section-kicker{color:#bce8f0}
    .metrics{background:#123f68;color:#fff;padding:43px 0}.metric-wrap{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:25px;align-items:center}.metric-lead h2{font-size:32px;margin:8px 0}.metric-lead p{color:#c7ddeb;font-size:14px}.metric{border-left:1px solid rgba(255,255,255,.22);padding-left:25px}.metric b{font-size:42px;display:block;color:#fff}.metric span{font-size:13px;color:#b9d5e6}
    .trust{padding-top:36px;padding-bottom:36px}.trust-line{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.trust-item{padding:18px 20px;background:#f0f8fc;border-radius:13px;border:1px solid #d9ebf3}.trust-item b{display:block;color:var(--blue-dark);margin-bottom:4px}.trust-item span{font-size:13px;color:var(--muted)}
    .feature-story{display:grid;grid-template-columns:.9fr 1.1fr;gap:35px;align-items:center}.feature-story img{height:380px;width:100%;object-fit:cover;border-radius:22px;box-shadow:var(--shadow)}.story-copy{padding:10px 10px 10px 0}.story-copy h2{font-size:34px;line-height:1.3}.story-copy p{color:var(--muted);font-size:15px}.quote{border-left:4px solid var(--cyan);padding:12px 18px;background:#eef8fb;color:#31566c;margin:22px 0;font-size:16px}
    .rank-news{display:grid;grid-template-columns:.8fr 1.2fr;gap:25px}.ranking{padding:27px}.ranking h3,.news-panel h3{margin-top:0;font-size:23px}.rank-row{display:grid;grid-template-columns:36px 1fr auto;gap:12px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line);font-size:14px}.rank-num{color:var(--blue);font-weight:900;font-size:19px}.rank-row small{color:var(--muted)}.news-panel{padding:27px}.news-item{display:grid;grid-template-columns:86px 1fr 85px;gap:15px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line);transition:.2s}.news-date{font-size:13px;color:var(--blue);font-weight:800}.news-item h4{font-size:16px;margin:0 0 3px}.news-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.6}.read-more{font-size:13px;color:var(--blue);font-weight:700;white-space:nowrap}
    .guide-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:28px}.guide-intro{padding:31px;background:#dff2f5;border-radius:var(--radius)}.guide-intro h2{font-size:31px}.guide-intro p{color:#527184}.guide-list{display:grid;grid-template-columns:1fr 1fr;gap:17px}.guide{padding:24px;transition:.25s}.step{display:inline-grid;place-items:center;width:33px;height:33px;border-radius:9px;background:var(--blue);color:#fff;font-weight:800}.guide h3{margin-top:13px}.guide a{display:inline-block;margin-top:14px;color:var(--blue);font-size:13px;font-weight:800}
    .brand-section{background:#fff}.brand-text{max-width:920px;margin:auto;text-align:center}.brand-text h2{font-size:33px}.brand-text p{color:var(--muted);font-size:16px;text-align:left;margin-top:22px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.related{overflow:hidden}.related img{width:100%;height:170px;object-fit:cover}.related div{padding:20px}.related h3{font-size:18px;margin:0 0 6px}.related p{color:var(--muted);font-size:14px;margin:0}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px}.faq-intro p{color:var(--muted)}.accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:11px;overflow:hidden}.accordion-button{font-weight:700;color:var(--ink);background:#fff;box-shadow:none!important;padding:18px}.accordion-button:not(.collapsed){color:var(--blue);background:var(--blue-soft)}.accordion-body{font-size:14px;color:var(--muted);background:#fff}
    .contact{background:#eaf5fb}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px;align-items:start}.contact-copy h2{font-size:34px}.contact-copy p{color:var(--muted)}.contact-list{list-style:none;padding:0;margin-top:25px}.contact-list li{padding:10px 0;border-bottom:1px solid #d3e5ef;color:#486b81}.form-box{padding:30px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}.form-label{font-size:13px;font-weight:700;color:#456278}.form-control,.form-select{border:1px solid #cbdde8;border-radius:9px;padding:12px 14px}.form-control:focus,.form-select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,104,179,.11)}.form-hint{font-size:12px;color:var(--muted);margin-top:9px}.form-success{display:none;color:var(--green);font-size:14px;padding:10px;background:#eaf8f2;border-radius:8px}.cta{padding:45px 0;background:#d7edf6}.cta-box{display:flex;justify-content:space-between;gap:25px;align-items:center}.cta-box h2{font-size:31px;margin:0}.cta-box p{color:var(--muted);margin:5px 0 0}
    footer{background:#12334f;color:#c7d9e6;padding:42px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:30px;align-items:start}.footer-brand{color:#fff;font-size:21px;font-weight:800}.footer-brand p{font-size:13px;color:#a9c1d0;font-weight:400;max-width:420px}.footer-links{display:flex;gap:21px;flex-wrap:wrap}.footer-links a{font-size:13px;color:#d7e6ed}.footer-links a:hover{color:#fff;text-decoration:underline}.copyright{border-top:1px solid rgba(255,255,255,.15);margin-top:30px;padding-top:19px;font-size:12px;color:#9db8c9;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    @media(max-width:991px){.hero-inner,.feature-story,.contact-grid{grid-template-columns:1fr}.entry-grid,.topics{grid-template-columns:1fr 1fr}.topic:first-child{grid-row:auto}.metric-wrap{grid-template-columns:1fr 1fr}.metric-lead{grid-column:span 2}.rank-news,.guide-layout,.faq-grid{grid-template-columns:1fr}.hero-visual img{height:300px}.footer-top{flex-direction:column}}
    @media(max-width:767px){section{padding:52px 0}.hero{padding-top:25px}.hero-inner{padding:27px 22px;gap:25px}.hero h1{font-size:42px}.hero-copy{font-size:15px}.section-head{display:block}.section-head p{margin-top:12px}.calendar{grid-template-columns:1fr}.calendar-menu{display:flex;overflow:auto;gap:4px;padding:10px}.calendar-menu a{white-space:nowrap;border:0}.entry-grid,.topics,.trust-line,.related-grid,.guide-list{grid-template-columns:1fr}.entry-main{min-height:180px}.metric-wrap{grid-template-columns:1fr 1fr}.metric-lead{grid-column:span 2}.metric b{font-size:32px}.metric{padding-left:15px}.news-item{grid-template-columns:72px 1fr}.news-item .read-more{grid-column:2}.cta-box{display:block}.cta-box .btn-main{margin-top:20px}}
    @media(max-width:575px){.navbar{min-height:66px}.nav-flag{display:none}.hero h1{font-size:35px}.hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;text-align:center}.hero-visual img{height:240px}.coupon{left:12px;bottom:12px}.calendar-content,.ranking,.news-panel,.form-box{padding:21px}.metric-wrap{gap:17px}.metric span{font-size:12px}.story-copy h2,.contact-copy h2{font-size:28px}.footer-links{gap:13px}}

/* roulang page: category2 */
:root{
      --blue:#1768b3;--blue-dark:#0b477f;--blue-soft:#eaf4fc;--cyan:#56b8c9;
      --ink:#183047;--muted:#657b8f;--line:#dbe7ef;--paper:#fff;--bg:#f5f9fc;
      --warm:#f6a64b;--green:#2d9b75;--radius:18px;
      --shadow:0 14px 38px rgba(29,76,112,.10);--shadow-hover:0 20px 44px rgba(29,76,112,.16)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.8}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(23,104,179,.28);outline-offset:3px}
    .container{max-width:1240px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .navbar{min-height:76px}
    .brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:800;color:var(--blue-dark);letter-spacing:.04em}
    .brand-mark{width:36px;height:36px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 7px 17px rgba(23,104,179,.25)}
    .nav-link{font-size:14px;font-weight:600;color:#50677b!important;padding:9px 13px!important;border-radius:9px;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--blue)!important;background:var(--blue-soft)}
    .nav-flag{font-size:12px;color:var(--green);background:#eaf8f2;padding:4px 9px;border-radius:30px;margin-right:9px;white-space:nowrap}
    .btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:11px 20px;font-weight:700;transition:.2s;border:1px solid var(--blue);cursor:pointer}
    .btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,104,179,.2)}
    .btn-main:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,104,179,.28)}
    .btn-ghost{background:#fff;color:var(--blue)}
    .btn-ghost:hover{background:var(--blue-soft);color:var(--blue-dark);transform:translateY(-2px)}
    .btn-main:active,.btn-ghost:active{transform:translateY(1px)}
    .navbar-toggler{border:1px solid var(--line);padding:8px 10px}
    .navbar-toggler:active{transform:scale(.96)}
    .hero{padding:55px 0 38px;background:#eaf5fc url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .hero-inner{background:rgba(250,253,255,.86);border:1px solid rgba(255,255,255,.9);border-radius:28px;padding:42px 46px;box-shadow:var(--shadow);display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;color:var(--blue);font-weight:800}
    .hero h1{font-size:clamp(38px,5vw,65px);line-height:1.16;letter-spacing:-.045em;margin:14px 0 20px;font-weight:900;color:#123e68}
    .hero-copy{font-size:17px;color:#4b687e;max-width:650px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
    .hero-note{font-size:13px;color:var(--muted);display:flex;gap:18px;flex-wrap:wrap}
    .hero-visual{position:relative}
    .hero-visual img{width:100%;height:355px;object-fit:cover;border-radius:20px;border:8px solid rgba(255,255,255,.84);box-shadow:var(--shadow-hover)}
    .visual-note{position:absolute;bottom:20px;left:-18px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:12px 16px;box-shadow:var(--shadow);font-size:13px;color:var(--blue-dark)}
    section{padding:74px 0}
    .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:30px}
    .section-head h2{font-size:clamp(27px,3vw,42px);line-height:1.25;margin:8px 0 0;color:#173f64;letter-spacing:-.03em}
    .section-head p{max-width:600px;color:var(--muted);margin:0}
    .crumbs{padding:18px 0 0;color:var(--muted);font-size:13px}
    .crumbs a{color:var(--blue)}
    .guide-layout{display:grid;grid-template-columns:265px 1fr;gap:30px;align-items:start}
    .side-menu{position:sticky;top:100px;background:#eff7fc;border:1px solid #dcecf5;border-radius:var(--radius);padding:13px}
    .side-menu a{display:flex;justify-content:space-between;padding:14px 16px;border-radius:10px;color:#547085;font-weight:700;border-bottom:1px solid #d7e8f1}
    .side-menu a:hover,.side-menu a.active{background:#fff;color:var(--blue);box-shadow:0 6px 18px rgba(29,76,112,.07)}
    .content-paper{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:38px 44px;box-shadow:var(--shadow)}
    .content-paper h2{font-size:28px;color:var(--blue-dark);margin:0 0 16px}
    .content-paper h3{font-size:20px;color:#1c557d;margin:32px 0 10px}
    .content-paper p{color:#536b7d;margin:0 0 16px}
    .notice{padding:18px 20px;background:#fff8ed;border-left:4px solid var(--warm);border-radius:10px;color:#755b36;margin:22px 0}
    .notice strong{color:#a46318}
    .rule-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .rule-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:.2s}
    .rule-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#b9d5e8}
    .rule-card h3{margin:10px 0 8px;color:var(--blue-dark);font-size:21px}
    .rule-card p{color:var(--muted);font-size:14px;margin:0}
    .number{display:inline-grid;place-items:center;width:34px;height:34px;background:var(--blue-soft);color:var(--blue);border-radius:10px;font-weight:900}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
    .process-step{padding:28px 24px;min-height:190px;border-right:1px solid var(--line);position:relative}
    .process-step:last-child{border-right:0}
    .process-step b{display:block;color:var(--blue);font-size:13px;margin-bottom:18px}
    .process-step h3{font-size:19px;margin:0 0 8px;color:var(--blue-dark)}
    .process-step p{font-size:13px;color:var(--muted);margin:0}
    .check-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:35px;align-items:center}
    .check-layout img{width:100%;height:320px;object-fit:cover;border-radius:21px;box-shadow:var(--shadow)}
    .checklist{list-style:none;padding:0;margin:0}
    .checklist li{padding:15px 0 15px 33px;border-bottom:1px solid var(--line);position:relative;color:#506b7d}
    .checklist li:before{content:"✓";position:absolute;left:0;top:14px;width:22px;height:22px;border-radius:50%;background:#eaf8f2;color:var(--green);text-align:center;line-height:22px;font-weight:800}
    .quote-band{background:#dff2f7;padding:56px 0}
    .quote{max-width:850px;margin:auto;text-align:center;font-size:26px;line-height:1.55;color:#155578;font-weight:700}
    .quote small{display:block;font-size:13px;color:#628292;font-weight:400;margin-top:16px}
    .faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:35px}
    .faq-intro{background:var(--blue);color:#fff;border-radius:var(--radius);padding:30px}
    .faq-intro h2{font-size:30px;line-height:1.3}
    .faq-intro p{color:#d5eaf5;font-size:14px}
    .accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:11px;overflow:hidden}
    .accordion-button{font-weight:700;color:var(--ink);background:#fff;box-shadow:none!important;padding:18px}
    .accordion-button:not(.collapsed){color:var(--blue);background:var(--blue-soft)}
    .accordion-body{font-size:14px;color:var(--muted);background:#fff}
    .contact-section{background:#eef7fb}
    .contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px;align-items:start}
    .contact-list{list-style:none;padding:0;margin-top:25px}
    .contact-list li{padding:10px 0;border-bottom:1px solid #d3e5ef;color:#486b81}
    .form-box{padding:30px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}
    .form-label{font-size:13px;font-weight:700;color:#45647a}
    .form-control,.form-select{border:1px solid #cddfe9;border-radius:10px;padding:12px 14px;color:var(--ink)}
    .form-control:focus,.form-select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,104,179,.10)}
    .form-status{font-size:13px;color:var(--green);display:none;margin-top:14px}
    .cta-panel{padding:28px 32px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;align-items:center;box-shadow:var(--shadow)}
    .cta-panel h2{font-size:27px;margin:0 0 5px;color:var(--blue-dark)}
    .cta-panel p{margin:0;color:var(--muted)}
    footer{background:#123e68;color:#d6e7f1;padding:43px 0 22px}
    .footer-top{display:flex;justify-content:space-between;gap:40px;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:28px}
    .footer-brand{font-size:22px;font-weight:800;color:#fff}
    .footer-brand p{font-size:13px;font-weight:400;color:#b8d0df;max-width:310px;margin:8px 0 0}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px 20px;align-content:flex-start;max-width:650px}
    .footer-links a{font-size:13px;color:#c9dce7}
    .footer-links a:hover{color:#fff;text-decoration:underline}
    .copyright{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:20px;font-size:12px;color:#abc5d5}
    @media(max-width:991px){
      .hero-inner,.guide-layout,.rule-grid,.check-layout,.contact-grid,.faq-grid{grid-template-columns:1fr}
      .hero-visual img{height:300px}.side-menu{position:static;display:flex;overflow-x:auto;gap:5px}.side-menu a{min-width:150px;border:0}
      .process{grid-template-columns:repeat(2,1fr)}.process-step:nth-child(2){border-right:0}.process-step:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .footer-top{display:block}.footer-links{margin-top:25px}
    }
    @media(max-width:767px){
      .navbar{min-height:68px}.nav-flag{display:none}.hero{padding:30px 0 22px}.hero-inner{padding:28px 22px;border-radius:20px;gap:25px}.hero h1{font-size:42px}.hero-copy{font-size:15px}
      section{padding:52px 0}.section-head{display:block}.section-head p{margin-top:15px}.content-paper{padding:26px 22px}
      .process{grid-template-columns:1fr}.process-step{border-right:0!important;border-bottom:1px solid var(--line)!important;min-height:auto}.process-step:last-child{border-bottom:0!important}
      .cta-panel{display:block;padding:25px}.cta-panel .btn-main{margin-top:20px}
    }
    @media(max-width:575px){
      .container{padding-left:18px;padding-right:18px}.hero h1{font-size:36px}.hero-visual img{height:245px}.visual-note{left:10px;bottom:12px}
      .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}.content-paper h2{font-size:24px}.quote{font-size:21px}.form-box{padding:22px}
      .copyright{display:block}.copyright span{display:block;margin-bottom:8px}
    }

/* roulang page: category1 */
:root{
      --blue:#1768b3;--blue-dark:#0b477f;--blue-soft:#eaf4fc;--cyan:#56b8c9;
      --ink:#183047;--muted:#657b8f;--line:#dbe7ef;--paper:#fff;--bg:#f5f9fc;
      --warm:#f6a64b;--green:#2d9b75;--radius:18px;
      --shadow:0 14px 38px rgba(29,76,112,.10);--shadow-hover:0 20px 44px rgba(29,76,112,.16)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.8}
    a{color:inherit;text-decoration:none} img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(23,104,179,.28);outline-offset:3px}
    .container{max-width:1240px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .navbar{min-height:76px}.brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:800;color:var(--blue-dark);letter-spacing:.04em}
    .brand-mark{width:36px;height:36px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 7px 17px rgba(23,104,179,.25)}
    .nav-link{font-size:14px;font-weight:600;color:#50677b!important;padding:9px 13px!important;border-radius:9px;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--blue)!important;background:var(--blue-soft)}
    .nav-flag{font-size:12px;color:var(--green);background:#eaf8f2;padding:4px 9px;border-radius:30px;margin-right:9px;white-space:nowrap}
    .btn-main,.btn-ghost{display:inline-block;border-radius:10px;padding:11px 20px;font-weight:700;transition:.2s;border:1px solid var(--blue)}
    .btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,104,179,.2)}
    .btn-main:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,104,179,.28)}
    .btn-ghost{background:#fff;color:var(--blue)}.btn-ghost:hover{background:var(--blue-soft);color:var(--blue-dark);transform:translateY(-2px)}
    .navbar-toggler{border:1px solid var(--line);padding:8px 10px}.navbar-toggler:active{transform:scale(.96)}
    .page-hero{padding:58px 0 48px;background:#eaf5fc url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .hero-panel{background:rgba(250,253,255,.88);border:1px solid rgba(255,255,255,.9);border-radius:28px;padding:42px;box-shadow:var(--shadow);display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;color:var(--blue);font-weight:800}
    h1{font-size:clamp(38px,5vw,64px);line-height:1.16;letter-spacing:-.045em;margin:14px 0 18px;font-weight:900;color:#123e68}
    h2{font-size:clamp(28px,3vw,42px);line-height:1.25;color:#173f64;letter-spacing:-.03em}
    h3,h4{color:#173f64}.hero-copy{font-size:17px;color:#4b687e;max-width:650px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:27px 0}.hero-note{font-size:13px;color:var(--muted);display:flex;gap:18px;flex-wrap:wrap}
    .hero-visual{position:relative}.hero-visual img{width:100%;height:335px;object-fit:cover;border-radius:20px;border:8px solid rgba(255,255,255,.82);box-shadow:var(--shadow-hover)}
    .image-caption{position:absolute;left:25px;bottom:23px;background:#fff;color:var(--blue-dark);border-radius:10px;padding:9px 13px;font-size:13px;font-weight:700;box-shadow:var(--shadow)}
    section{padding:74px 0}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:30px}
    .section-head h2{margin:8px 0 0}.section-head p{max-width:610px;color:var(--muted);margin:0}
    .crumbs{padding:17px 0 0;font-size:13px;color:var(--muted)}.crumbs a{color:var(--blue)}
    .status-strip{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:20px 24px;display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:25px}
    .status-strip strong{color:var(--blue-dark);font-size:18px}.status{color:var(--green);font-weight:700;font-size:13px}
    .timeline-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:42px;align-items:start}
    .timeline-intro{background:var(--blue);color:#fff;border-radius:22px;padding:31px;position:sticky;top:105px}
    .timeline-intro h2{color:#fff;margin:10px 0 17px}.timeline-intro p{color:#d7e9f5;font-size:15px}
    .timeline{position:relative;padding-left:40px}.timeline:before{content:"";position:absolute;left:10px;top:8px;bottom:8px;width:2px;background:#c5ddea}
    .timeline-item{position:relative;padding:0 0 34px 24px}.timeline-item:before{content:"";position:absolute;left:-37px;top:8px;width:16px;height:16px;border:4px solid var(--blue);background:#fff;border-radius:50%;z-index:1}
    .timeline-item.current:before{background:var(--warm);border-color:var(--warm);box-shadow:0 0 0 6px #fff1df}
    .timeline-item:last-child{padding-bottom:0}.timeline-date{font-size:13px;color:var(--blue);font-weight:800;letter-spacing:.05em}
    .timeline-item h3{font-size:22px;margin:6px 0 8px}.timeline-item p{color:var(--muted);margin:0;max-width:680px}
    .badge-soft{display:inline-block;background:var(--blue-soft);color:var(--blue);border-radius:20px;padding:3px 10px;font-size:12px;font-weight:700;margin-left:8px}
    .badge-warm{background:#fff1df;color:#b66a16}.split-section{background:#fff}
    .split-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}.split-grid img{height:350px;width:100%;object-fit:cover;border-radius:22px;box-shadow:var(--shadow)}
    .reading p{color:var(--muted);font-size:15px}.reading p+p{margin-top:15px}
    .info-list{margin:24px 0 0;padding:0;list-style:none}.info-list li{display:flex;gap:14px;padding:13px 0;border-bottom:1px solid var(--line);color:#49677c}
    .info-list b{color:var(--blue);min-width:76px}.metrics{background:#f0f8fc}.metric-layout{display:grid;grid-template-columns:1fr 2fr;gap:34px;align-items:center}
    .metric-lead{background:var(--blue-dark);color:#fff;border-radius:22px;padding:28px}.metric-lead h2{color:#fff;margin:7px 0}.metric-lead p{color:#c9dce9}
    .metric-items{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.metric-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:23px;min-height:145px}.metric-item b{font-size:35px;color:var(--blue);display:block;line-height:1.2}.metric-item span{color:var(--muted);font-size:13px}
    .feature-grid{display:grid;grid-template-columns:1.22fr .78fr;gap:20px}.feature-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);transition:.2s}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .feature-card img{height:245px;width:100%;object-fit:cover}.feature-card.large img{height:355px}.feature-body{padding:23px}.feature-body p{color:var(--muted);font-size:14px}.small-stack{display:grid;gap:20px}.small-stack .feature-card{display:grid;grid-template-columns:135px 1fr}.small-stack img{height:100%;min-height:160px}.small-stack .feature-body{padding:18px}.small-stack h3{font-size:18px;margin:0 0 5px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}.step{padding:25px 22px 12px;border-right:1px solid var(--line);position:relative}.step:last-child{border:0}.step-num{color:var(--blue);font-size:13px;font-weight:900;letter-spacing:.1em}.step h3{font-size:19px;margin:10px 0 7px}.step p{color:var(--muted);font-size:14px;margin:0}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:38px}.faq-intro p{color:var(--muted)}.accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:11px;overflow:hidden}.accordion-button{font-weight:700;color:var(--ink);background:#fff;box-shadow:none!important;padding:18px}.accordion-button:not(.collapsed){color:var(--blue);background:var(--blue-soft)}.accordion-body{font-size:14px;color:var(--muted);background:#fff}
    .contact-section{background:#eaf5fc}.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:38px;align-items:start}.contact-list{list-style:none;padding:0;margin:24px 0}.contact-list li{padding:12px 0;border-bottom:1px solid #cfe1ec;color:#486b81}.form-box{padding:30px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}.form-label{font-size:13px;font-weight:700;color:#365870}.form-control,.form-select{border:1px solid #cbdde8;border-radius:10px;padding:11px 13px;color:var(--ink)}.form-control:focus,.form-select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,104,179,.1)}.form-tip{font-size:12px;color:var(--muted);margin-top:12px}.cta-band{padding:45px 0}.cta-box{background:var(--blue);color:#fff;border-radius:22px;padding:34px 40px;display:flex;align-items:center;justify-content:space-between;gap:25px}.cta-box h2{color:#fff;margin:0 0 7px}.cta-box p{color:#dcecf7;margin:0}.cta-box .btn-ghost{border-color:#fff}
    footer{background:#123e68;color:#d9e8f2;padding:43px 0 20px}.footer-top{display:flex;justify-content:space-between;gap:35px}.footer-brand{font-size:22px;font-weight:800;color:#fff}.footer-brand p{font-size:13px;font-weight:400;color:#bcd2e0;max-width:360px;margin-top:9px}.footer-links{display:flex;flex-wrap:wrap;gap:12px 21px;max-width:610px;justify-content:flex-end}.footer-links a{font-size:13px;color:#d9e8f2}.footer-links a:hover{color:#fff;text-decoration:underline}.copyright{border-top:1px solid rgba(255,255,255,.18);margin-top:28px;padding-top:16px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#abc4d4}
    @media(max-width:991px){.nav-flag{display:none}.hero-panel,.split-grid,.timeline-wrap,.metric-layout,.faq-grid,.contact-grid{grid-template-columns:1fr}.timeline-intro{position:static}.hero-visual img{height:290px}.steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}}
    @media(max-width:767px){section{padding:55px 0}.hero-panel{padding:28px 22px;gap:25px}.page-hero{padding:35px 0}.section-head{display:block}.section-head p{margin-top:15px}.metric-items{grid-template-columns:1fr 1fr}.feature-grid{grid-template-columns:1fr}.feature-card.large img{height:250px}.small-stack .feature-card{grid-template-columns:115px 1fr}.footer-top{display:block}.footer-links{justify-content:flex-start;margin-top:22px}.cta-box{display:block;padding:28px}.cta-box .btn-ghost{margin-top:20px}}
    @media(max-width:575px){h1{font-size:39px}.hero-actions a{width:100%;text-align:center}.status-strip{display:block}.status-strip .status{display:block;margin-top:8px}.timeline{padding-left:27px}.timeline-item{padding-left:15px}.metric-items{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.step,.step:nth-child(2){border-right:0;border-bottom:1px solid var(--line)!important}.step:last-child{border-bottom:0!important}.small-stack .feature-card{display:block}.small-stack img{height:170px}.form-box{padding:22px}.copyright{display:block}.copyright span{display:block;margin-top:6px}}

/* roulang page: category4 */
:root{
      --blue:#1768b3;--blue-dark:#0b477f;--blue-soft:#eaf4fc;--cyan:#56b8c9;
      --ink:#183047;--muted:#657b8f;--line:#dbe7ef;--paper:#fff;--bg:#f5f9fc;
      --warm:#f6a64b;--green:#2d9b75;--radius:18px;
      --shadow:0 14px 38px rgba(29,76,112,.10);
      --shadow-hover:0 20px 44px rgba(29,76,112,.16)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.8}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(23,104,179,.28);outline-offset:3px}
    .container{max-width:1240px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .navbar{min-height:76px}
    .brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:800;color:var(--blue-dark);letter-spacing:.04em}
    .brand-mark{width:36px;height:36px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 7px 17px rgba(23,104,179,.25)}
    .nav-link{font-size:14px;font-weight:600;color:#50677b!important;padding:9px 13px!important;border-radius:9px;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--blue)!important;background:var(--blue-soft)}
    .nav-flag{font-size:12px;color:var(--green);background:#eaf8f2;padding:4px 9px;border-radius:30px;margin-right:9px;white-space:nowrap}
    .btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:11px 20px;font-weight:700;transition:.2s;border:1px solid var(--blue);min-height:44px}
    .btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,104,179,.2)}
    .btn-main:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,104,179,.28)}
    .btn-ghost{background:#fff;color:var(--blue)}
    .btn-ghost:hover{background:var(--blue-soft);color:var(--blue-dark);transform:translateY(-2px)}
    .navbar-toggler{border:1px solid var(--line);padding:8px 10px}
    .navbar-toggler:active{transform:scale(.96)}
    .hero{padding:58px 0 34px;background:#eaf5fc url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .hero-inner{background:rgba(250,253,255,.84);border:1px solid rgba(255,255,255,.9);border-radius:28px;padding:42px 48px;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr .92fr;gap:48px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;color:var(--blue);font-weight:800}
    .hero h1{font-size:clamp(38px,5vw,66px);line-height:1.16;letter-spacing:-.045em;margin:14px 0 20px;font-weight:900;color:#123e68}
    .hero-copy{font-size:17px;color:#4b687e;max-width:650px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
    .hero-note{font-size:13px;color:var(--muted);display:flex;gap:18px;flex-wrap:wrap}
    .hero-visual{position:relative}
    .hero-visual img{width:100%;height:350px;object-fit:cover;border-radius:20px;border:8px solid rgba(255,255,255,.82);box-shadow:var(--shadow-hover)}
    .visual-caption{position:absolute;bottom:20px;left:22px;right:22px;background:rgba(12,55,91,.82);color:#fff;border-radius:12px;padding:12px 16px;font-size:13px}
    section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:30px}
    .section-head h2{font-size:clamp(27px,3vw,42px);line-height:1.25;margin:8px 0 0;color:#173f64;letter-spacing:-.03em}
    .section-head p{max-width:610px;color:var(--muted);margin:0}
    .breadcrumb-wrap{padding:19px 0 0}
    .breadcrumb{margin:0;font-size:13px;color:var(--muted)}
    .breadcrumb-item+.breadcrumb-item::before{color:#9bb2c2}
    .story-intro{background:#fff}
    .story-intro .lead-copy{max-width:920px;font-size:18px;color:#486579;line-height:2}
    .story-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:stretch}
    .story-photo{height:470px;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);position:relative}
    .story-photo img{width:100%;height:100%;object-fit:cover}
    .story-photo::after{content:"";position:absolute;inset:auto 0 0;height:42%;background:linear-gradient(transparent,rgba(12,52,83,.62))}
    .photo-label{position:absolute;z-index:1;bottom:23px;left:25px;color:#fff;font-size:15px;font-weight:700}
    .story-text{padding:15px 10px 10px 8px}
    .story-text h3{font-size:29px;line-height:1.35;margin:0 0 18px;color:var(--blue-dark)}
    .story-text p{color:var(--muted);margin-bottom:18px}
    .story-text .line{height:1px;background:var(--line);margin:24px 0}
    .story-points{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .story-points div{padding:17px;background:#f1f8fc;border-radius:14px;border:1px solid #dcebf2}
    .story-points strong{display:block;color:var(--blue-dark);font-size:18px}
    .story-points span{font-size:13px;color:var(--muted)}
    .quote-section{background:#eef7fb}
    .quote-box{max-width:1000px;margin:auto;border-left:5px solid var(--cyan);padding:15px 35px}
    blockquote{font-size:clamp(24px,3vw,39px);line-height:1.5;color:#16476d;margin:0 0 18px;font-weight:800}
    .quote-box p{color:var(--muted);margin:0;font-size:15px}
    .data-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:center}
    .data-lead{background:var(--blue);color:#fff;border-radius:22px;padding:34px;min-height:260px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:var(--shadow)}
    .data-lead .section-kicker{color:#bce8f0}
    .data-lead h2{font-size:34px;line-height:1.3;margin:8px 0}
    .data-lead p{color:#d4e8f4;margin:0}
    .data-list{display:grid;grid-template-columns:1fr 1fr;gap:0 28px}
    .data-item{padding:22px 0;border-bottom:1px solid var(--line)}
    .data-item b{font-size:35px;color:var(--blue-dark);line-height:1.1;margin-right:5px}
    .data-item span{color:var(--muted);font-size:14px}
    .data-item p{font-size:13px;color:var(--muted);margin:7px 0 0}
    .feature-section{background:#fff}
    .feature-layout{display:grid;grid-template-columns:.74fr 1.26fr;gap:34px}
    .feature-main{min-height:490px;border-radius:22px;overflow:hidden;position:relative;color:#fff}
    .feature-main img{width:100%;height:100%;object-fit:cover}
    .feature-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(9,47,78,.86))}
    .feature-main-content{position:absolute;z-index:1;left:28px;right:28px;bottom:27px}
    .feature-main-content h3{font-size:28px;line-height:1.35;margin:10px 0}
    .feature-main-content p{font-size:14px;color:#e2f0f7;margin:0}
    .feature-list{display:flex;flex-direction:column;gap:16px}
    .feature-row{display:grid;grid-template-columns:155px 1fr;gap:20px;padding:17px;border:1px solid var(--line);background:#fbfdfe;border-radius:16px;transition:.2s}
    .feature-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#b9d5e8}
    .feature-row img{width:155px;height:116px;border-radius:11px;object-fit:cover}
    .feature-row h3{font-size:19px;margin:5px 0 4px;color:var(--blue-dark)}
    .feature-row p{font-size:13px;color:var(--muted);margin:0 0 7px;line-height:1.7}
    .meta{font-size:12px;color:var(--blue);font-weight:700}
    .timeline-section{background:#f7fbfd}
    .timeline{max-width:980px;margin:auto;position:relative}
    .timeline::before{content:"";position:absolute;left:92px;top:8px;bottom:8px;width:2px;background:#c7dfeb}
    .timeline-row{display:grid;grid-template-columns:72px 40px 1fr;gap:20px;align-items:start;padding:0 0 31px}
    .timeline-date{text-align:right;color:var(--blue-dark);font-weight:800;font-size:14px;padding-top:6px}
    .timeline-dot{width:17px;height:17px;border-radius:50%;background:var(--cyan);border:4px solid #e8f7fb;box-shadow:0 0 0 1px #9ed5e1;position:relative;z-index:1;margin-top:7px}
    .timeline-content{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px 22px;box-shadow:0 7px 18px rgba(29,76,112,.05)}
    .timeline-content h3{font-size:18px;margin:0 0 5px;color:var(--blue-dark)}
    .timeline-content p{margin:0;color:var(--muted);font-size:14px}
    .numbers-section{padding-top:40px}
    .number-band{display:grid;grid-template-columns:1.25fr .75fr .75fr .75fr;gap:1px;background:#cfe3ed;border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
    .number-band div{background:#fff;padding:25px 24px;min-height:135px}
    .number-band .number-lead{background:#eaf5fc}
    .number-band strong{display:block;font-size:33px;color:var(--blue-dark);line-height:1.2}
    .number-band p{margin:6px 0 0;color:var(--muted);font-size:13px}
    .gallery-section{background:#fff}
    .gallery-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;grid-template-rows:190px 190px;gap:16px}
    .gallery-card{position:relative;border-radius:17px;overflow:hidden;min-height:150px}
    .gallery-card:first-child{grid-row:span 2}
    .gallery-card img{width:100%;height:100%;object-fit:cover;transition:.35s}
    .gallery-card:hover img{transform:scale(1.04)}
    .gallery-card::after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,rgba(5,40,68,.76))}
    .gallery-card figcaption{position:absolute;z-index:1;bottom:14px;left:17px;right:12px;color:#fff;font-size:14px;font-weight:700}
    .faq-section{background:#f4f9fc}
    .faq-grid{display:grid;grid-template-columns:.76fr 1.24fr;gap:38px}
    .faq-intro p{color:var(--muted);font-size:15px}
    .faq-note{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px;margin-top:23px;color:#527084;font-size:14px}
    .accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:11px;overflow:hidden}
    .accordion-button{font-weight:700;color:var(--ink);background:#fff;box-shadow:none!important;padding:18px}
    .accordion-button:not(.collapsed){color:var(--blue);background:var(--blue-soft)}
    .accordion-body{font-size:14px;color:var(--muted);background:#fff;line-height:1.9}
    .contact-section{padding-top:66px}
    .contact-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:35px;align-items:start}
    .contact-card{background:#eaf5fc;border-radius:22px;padding:32px;height:100%}
    .contact-card h2{font-size:32px;line-height:1.35;color:var(--blue-dark);margin:8px 0 15px}
    .contact-card p{color:#567286}
    .contact-list{list-style:none;padding:0;margin:24px 0 0}
    .contact-list li{padding:11px 0;border-bottom:1px solid #cfe3ed;color:#486b81;font-size:14px}
    .form-box{padding:31px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}
    .form-label{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:7px}
    .form-control,.form-select{border:1px solid #cddfe9;border-radius:10px;padding:12px 14px;color:var(--ink);background:#fbfdfe}
    .form-control::placeholder{color:#9aadb9}
    .form-control:hover,.form-select:hover{border-color:#9fc5dc}
    .form-control:focus,.form-select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,104,179,.11)}
    .form-status{font-size:13px;color:var(--green);display:none;margin-top:12px}
    footer{background:#123d62;color:#d5e7f1;padding:42px 0 22px}
    .footer-top{display:flex;justify-content:space-between;gap:35px;border-bottom:1px solid rgba(214,235,245,.2);padding-bottom:28px}
    .footer-brand{font-size:23px;font-weight:800;color:#fff;min-width:230px}
    .footer-brand p{font-size:13px;line-height:1.8;font-weight:400;color:#b8d1df;margin:9px 0 0;max-width:315px}
    .footer-links{display:flex;justify-content:flex-end;gap:15px 22px;flex-wrap:wrap;align-content:start}
    .footer-links a{font-size:13px;color:#c5dce8;transition:.2s}
    .footer-links a:hover{color:#fff}
    .copyright{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:20px;font-size:12px;color:#a9c4d3}
    .status-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:800;color:var(--green);background:#e9f8f1;border-radius:30px;padding:5px 11px}
    .status-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green)}
    @media (max-width:991px){
      .navbar-collapse{padding:16px 0 10px}
      .nav-flag{display:none}
      .hero-inner,.story-grid,.data-layout,.feature-layout,.faq-grid,.contact-grid{grid-template-columns:1fr}
      .hero-visual img{height:310px}
      .number-band{grid-template-columns:1.3fr 1fr 1fr}
      .number-band div:last-child{grid-column:span 1}
    }
    @media (max-width:767px){
      section{padding:55px 0}
      .hero{padding:30px 0 22px}
      .hero-inner{padding:28px 22px;gap:28px;border-radius:21px}
      .hero h1{font-size:42px}
      .hero-copy{font-size:15px}
      .hero-visual img{height:250px}
      .section-head{display:block}
      .section-head p{margin-top:13px}
      .story-photo{height:330px}
      .story-points,.data-list{grid-template-columns:1fr}
      .feature-main{min-height:350px}
      .feature-row{grid-template-columns:110px 1fr;gap:13px}
      .feature-row img{width:110px;height:100px}
      .gallery-grid{grid-template-columns:1fr 1fr;grid-template-rows:210px 150px}
      .gallery-card:first-child{grid-row:span 1;grid-column:span 2}
      .number-band{grid-template-columns:1fr 1fr}
      .number-band div:first-child{grid-column:span 2}
      .timeline::before{left:70px}
      .timeline-row{grid-template-columns:52px 35px 1fr;gap:10px}
      .timeline-content{padding:15px}
      .footer-top{display:block}
      .footer-links{justify-content:flex-start;margin-top:24px}
    }
    @media (max-width:575px){
      .container{padding-left:18px;padding-right:18px}
      .brand{font-size:19px}
      .brand-mark{width:33px;height:33px}
      .hero h1{font-size:36px}
      .hero-actions{display:grid}
      .hero-actions a{width:100%}
      .feature-row{grid-template-columns:1fr}
      .feature-row img{width:100%;height:150px}
      .gallery-grid{display:grid;grid-template-columns:1fr;grid-template-rows:210px 150px 150px}
      .gallery-card:first-child{grid-column:auto}
      .number-band{grid-template-columns:1fr}
      .number-band div:first-child{grid-column:auto}
      .timeline::before{left:16px}
      .timeline-row{grid-template-columns:32px 1fr;gap:14px}
      .timeline-date{grid-column:2;text-align:left;grid-row:1}
      .timeline-dot{grid-column:1;grid-row:1 / span 2}
      .timeline-content{grid-column:2;grid-row:2}
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:8px}
    }

/* roulang page: category3 */
:root{
      --blue:#1768b3;--blue-dark:#0b477f;--blue-soft:#eaf4fc;--cyan:#56b8c9;
      --ink:#183047;--muted:#657b8f;--line:#dbe7ef;--paper:#fff;--bg:#f5f9fc;
      --warm:#f6a64b;--green:#2d9b75;--radius:18px;--shadow:0 14px 38px rgba(29,76,112,.10);
      --shadow-hover:0 20px 44px rgba(29,76,112,.16)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.8}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(23,104,179,.28);outline-offset:3px}
    .container{max-width:1240px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .navbar{min-height:76px}
    .brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:800;color:var(--blue-dark);letter-spacing:.04em}
    .brand-mark{width:36px;height:36px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 7px 17px rgba(23,104,179,.25)}
    .nav-link{font-size:14px;font-weight:600;color:#50677b!important;padding:9px 13px!important;border-radius:9px;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--blue)!important;background:var(--blue-soft)}
    .nav-flag{font-size:12px;color:var(--green);background:#eaf8f2;padding:4px 9px;border-radius:30px;margin-right:9px;white-space:nowrap}
    .btn-main,.btn-ghost{display:inline-block;border-radius:10px;padding:11px 20px;font-weight:700;transition:.2s;border:1px solid var(--blue)}
    .btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,104,179,.2)}
    .btn-main:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,104,179,.28)}
    .btn-ghost{background:#fff;color:var(--blue)}
    .btn-ghost:hover{background:var(--blue-soft);color:var(--blue-dark);transform:translateY(-2px)}
    .navbar-toggler{border:1px solid var(--line);padding:8px 10px}
    .navbar-toggler:active{transform:scale(.96)}
    .page-hero{padding:64px 0 58px;background:#eaf5fc url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .hero-panel{background:#123e68;color:#fff;border-radius:26px;padding:42px 46px;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;box-shadow:var(--shadow-hover)}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;color:var(--cyan);font-weight:800}
    .hero-panel h1{font-size:clamp(38px,5vw,64px);line-height:1.18;letter-spacing:-.045em;margin:13px 0 18px;font-weight:900}
    .hero-panel p{color:#d7e9f5;font-size:17px;max-width:620px;margin:0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 0}
    .hero-panel .btn-main{background:#fff;color:var(--blue-dark);border-color:#fff}
    .hero-panel .btn-main:hover{background:#dff3f7;color:var(--blue-dark)}
    .hero-panel .btn-ghost{background:transparent;color:#fff;border-color:#9dc8df}
    .hero-panel .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
    .news-board{background:#f8fcfe;color:var(--ink);border-radius:18px;padding:24px 25px;border:1px solid rgba(255,255,255,.35)}
    .board-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-weight:800}
    .status{font-size:12px;padding:4px 9px;border-radius:20px;background:#eaf8f2;color:var(--green);font-weight:700}
    .rank-row{display:grid;grid-template-columns:32px 1fr auto;gap:11px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
    .rank-row:last-child{border:0}
    .rank-row b{color:var(--blue)}
    .rank-row small{display:block;color:var(--muted);font-size:12px}
    section{padding:72px 0}
    .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}
    .section-head h2{font-size:clamp(27px,3vw,42px);line-height:1.25;margin:8px 0 0;color:#173f64;letter-spacing:-.03em}
    .section-head p{max-width:590px;color:var(--muted);margin:0}
    .crumbs{font-size:13px;color:var(--muted);padding-top:22px}
    .crumbs a{color:var(--blue)}
    .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:34px;align-items:start}
    .feature-news{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s}
    .feature-news:hover,.news-card:hover,.topic-card:hover,.info-box:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .feature-news img{width:100%;height:310px;object-fit:cover}
    .feature-body{padding:27px 30px}
    .feature-body h3{font-size:27px;line-height:1.4;margin:10px 0}
    .feature-body p,.news-card p,.info-box p{color:var(--muted);margin:0}
    .date{font-size:13px;color:var(--blue);font-weight:800;letter-spacing:.04em}
    .badge-soft{display:inline-block;background:var(--blue-soft);color:var(--blue);border-radius:20px;padding:4px 11px;font-size:12px;font-weight:700}
    .side-note{background:#eff7fc;border-radius:var(--radius);padding:28px;position:sticky;top:104px}
    .side-note h3{font-size:22px;margin:0 0 12px;color:var(--blue-dark)}
    .side-note p{font-size:14px;color:var(--muted)}
    .side-note ul{padding-left:19px;margin:18px 0;color:#486b81;font-size:14px}
    .side-note li{margin:8px 0}
    .timeline-section{background:#fff}
    .timeline{position:relative;max-width:940px;margin:auto;padding-left:34px}
    .timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:#c8dfec}
    .timeline-item{position:relative;padding:0 0 28px 28px}
    .timeline-item:before{content:"";position:absolute;left:-1px;top:9px;width:18px;height:18px;border-radius:50%;background:var(--blue);border:4px solid #d9eef8}
    .timeline-item h3{font-size:20px;margin:5px 0 5px}
    .timeline-item p{color:var(--muted);margin:0;max-width:760px}
    .news-list{display:grid;gap:15px}
    .news-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:22px 24px;display:grid;grid-template-columns:110px 1fr 92px;gap:20px;align-items:center;transition:.2s}
    .news-card h3{font-size:18px;margin:5px 0 4px}
    .news-card p{font-size:14px;line-height:1.7}
    .news-card .btn-ghost{padding:7px 12px;font-size:13px;text-align:center}
    .topic-section{background:var(--blue-soft)}
    .topic-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .topic-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid #d5e7f0;transition:.2s}
    .topic-card:first-child{grid-column:span 2}
    .topic-card img{width:100%;height:190px;object-fit:cover}
    .topic-card:first-child img{height:245px}
    .topic-card .content{padding:22px}
    .topic-card h3{font-size:20px;margin:8px 0}
    .topic-card p{font-size:14px;color:var(--muted);margin:0}
    .read-link{color:var(--blue);font-size:13px;font-weight:800;display:inline-block;margin-top:15px}
    .quote-section{padding:55px 0}
    .quote-box{background:#fff;border-left:5px solid var(--cyan);padding:28px 35px;box-shadow:var(--shadow);border-radius:0 15px 15px 0;font-size:20px;color:#31566e}
    .quote-box span{display:block;font-size:13px;color:var(--muted);margin-top:10px}
    .info-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;align-items:stretch}
    .info-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:29px;transition:.2s}
    .info-box h3{font-size:23px;margin:0 0 13px;color:var(--blue-dark)}
    .info-box strong{font-size:42px;color:var(--blue);display:block;line-height:1.2;margin:12px 0}
    .update-list{list-style:none;padding:0;margin:0}
    .update-list li{padding:14px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:18px;color:#496b80}
    .update-list li:last-child{border-bottom:0}
    .update-list time{color:var(--muted);font-size:13px;white-space:nowrap}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:35px}
    .faq-intro p{color:var(--muted)}
    .accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:11px;overflow:hidden}
    .accordion-button{font-weight:700;color:var(--ink);background:#fff;box-shadow:none!important;padding:18px}
    .accordion-button:not(.collapsed){color:var(--blue);background:var(--blue-soft)}
    .accordion-body{font-size:14px;color:var(--muted);background:#fff}
    .contact-section{background:#eaf5fc}
    .contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px;align-items:start}
    .contact-copy p{color:var(--muted)}
    .contact-list{list-style:none;padding:0;margin-top:25px}
    .contact-list li{padding:10px 0;border-bottom:1px solid #cfe2ec;color:#486b81}
    .form-box{padding:30px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line)}
    .form-label{font-size:13px;font-weight:700;color:#35566d;margin-bottom:6px}
    .form-control,.form-select{border:1px solid #cbdde7;border-radius:10px;padding:11px 13px;color:var(--ink);background:#fbfdfe}
    .form-control::placeholder{color:#9aadb9}
    .form-control:hover,.form-select:hover{border-color:#a8c9db}
    .form-control:focus,.form-select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,104,179,.11)}
    .form-status{font-size:13px;color:var(--green);margin-top:12px;display:none}
    .cta-strip{padding:36px 0;background:#123e68;color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:24px}
    .cta-inner h2{margin:0;font-size:28px}
    .cta-inner p{margin:5px 0 0;color:#cfe3ef}
    footer{background:#102f4a;color:#c6dae7;padding:42px 0 22px}
    .footer-top{display:flex;justify-content:space-between;gap:45px;padding-bottom:29px;border-bottom:1px solid rgba(206,229,241,.18)}
    .footer-brand{font-size:22px;font-weight:800;color:#fff;min-width:260px}
    .footer-brand p{font-size:13px;font-weight:400;line-height:1.8;color:#a9c5d5;margin:10px 0 0;max-width:300px}
    .footer-links{display:flex;justify-content:flex-end;gap:15px 22px;flex-wrap:wrap;max-width:700px}
    .footer-links a{font-size:13px;color:#c6dae7;transition:.2s}
    .footer-links a:hover{color:#fff}
    .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#91b0c2;font-size:12px;flex-wrap:wrap}
    @media(max-width:991px){
      .nav-flag{display:none}.hero-panel{grid-template-columns:1fr;padding:34px}.news-layout,.info-grid,.faq-grid,.contact-grid{grid-template-columns:1fr}
      .side-note{position:static}.topic-grid{grid-template-columns:1fr 1fr}.topic-card:first-child{grid-column:span 2}
      .footer-top{display:block}.footer-links{justify-content:flex-start;margin-top:24px}
    }
    @media(max-width:767px){
      section{padding:54px 0}.page-hero{padding:35px 0 30px}.hero-panel{padding:28px 22px;border-radius:20px}.hero-panel h1{font-size:42px}
      .section-head{display:block}.section-head p{margin-top:14px}.news-card{grid-template-columns:1fr;gap:6px}.news-card .btn-ghost{width:max-content}
      .topic-grid{grid-template-columns:1fr}.topic-card:first-child{grid-column:auto}.topic-card img,.topic-card:first-child img{height:210px}
      .quote-box{padding:22px;font-size:17px}.cta-inner{display:block}.cta-inner .btn-main{margin-top:20px}
    }
    @media(max-width:575px){
      .navbar{min-height:68px}.brand{font-size:19px}.brand-mark{width:32px;height:32px}
      .hero-panel h1{font-size:35px}.hero-panel p{font-size:15px}.hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;text-align:center}
      .news-board{padding:18px}.feature-news img{height:220px}.feature-body{padding:22px}.feature-body h3{font-size:22px}
      .timeline{padding-left:20px}.timeline-item{padding-left:22px}.copyright{display:block}.copyright span{display:block;margin-bottom:7px}
      .form-box{padding:22px}
    }

/* roulang page: category6 */
:root{
      --blue:#1768b3;--blue-dark:#0b477f;--blue-soft:#eaf4fc;--cyan:#56b8c9;
      --ink:#183047;--muted:#657b8f;--line:#dbe7ef;--paper:#fff;--bg:#f5f9fc;
      --warm:#f6a64b;--green:#2d9b75;--radius:18px;
      --shadow:0 14px 38px rgba(29,76,112,.10);--shadow-hover:0 20px 44px rgba(29,76,112,.16)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.8}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(23,104,179,.28);outline-offset:3px}
    .container{max-width:1240px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .navbar{min-height:76px}
    .brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:800;color:var(--blue-dark);letter-spacing:.04em}
    .brand-mark{width:36px;height:36px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 7px 17px rgba(23,104,179,.25)}
    .nav-link{font-size:14px;font-weight:600;color:#50677b!important;padding:9px 13px!important;border-radius:9px;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--blue)!important;background:var(--blue-soft)}
    .nav-flag{font-size:12px;color:var(--green);background:#eaf8f2;padding:4px 9px;border-radius:30px;margin-right:9px;white-space:nowrap}
    .btn-main,.btn-ghost{border-radius:10px;padding:11px 20px;font-weight:700;transition:.2s;border:1px solid var(--blue);display:inline-block}
    .btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,104,179,.2)}
    .btn-main:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,104,179,.28)}
    .btn-ghost{background:#fff;color:var(--blue)}
    .btn-ghost:hover{background:var(--blue-soft);color:var(--blue-dark);transform:translateY(-2px)}
    .navbar-toggler{border:1px solid var(--line);padding:8px 10px}
    .navbar-toggler:active{transform:scale(.96)}
    .hero{padding:42px 0 30px;background:#eaf5fc url('/assets/images/backpic/back-3.webp') center/cover no-repeat}
    .hero-inner{background:rgba(250,253,255,.86);border:1px solid rgba(255,255,255,.9);border-radius:28px;padding:42px 46px;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr .9fr;gap:40px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;color:var(--blue);font-weight:800}
    .hero h1{font-size:clamp(38px,5vw,65px);line-height:1.16;letter-spacing:-.045em;margin:14px 0 20px;font-weight:900;color:#123e68}
    .hero-copy{font-size:17px;color:#4b687e;max-width:650px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
    .hero-note{font-size:13px;color:var(--muted);display:flex;gap:18px;flex-wrap:wrap}
    .hero-visual{position:relative}
    .hero-visual img{width:100%;height:350px;object-fit:cover;border-radius:20px;border:8px solid rgba(255,255,255,.84);box-shadow:var(--shadow-hover)}
    .visual-stamp{position:absolute;bottom:20px;left:-16px;background:#fff;padding:14px 18px;border-radius:13px;box-shadow:var(--shadow);font-size:13px;color:var(--blue-dark);font-weight:800}
    section{padding:70px 0}
    .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}
    .section-head h2{font-size:clamp(27px,3vw,42px);line-height:1.25;margin:8px 0 0;color:#173f64;letter-spacing:-.03em}
    .section-head p{max-width:610px;color:var(--muted);margin:0}
    .crumb{padding:18px 0 0;color:var(--muted);font-size:13px}
    .crumb a{color:var(--blue)}
    .status-panel{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px 20px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;box-shadow:0 8px 22px rgba(29,76,112,.06)}
    .badge-soft{display:inline-block;padding:5px 11px;border-radius:30px;background:#eaf8f2;color:#258062;font-size:12px;font-weight:800}
    .badge-warm{display:inline-block;padding:5px 11px;border-radius:30px;background:#fff3e4;color:#a96820;font-size:12px;font-weight:800}
    .status-panel span:last-child{color:var(--muted);font-size:14px}
    .split-info{display:grid;grid-template-columns:.78fr 1.22fr;gap:38px;align-items:start}
    .info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
    .info-card h3{color:var(--blue-dark);font-size:23px;margin:0 0 14px}
    .info-card p{color:var(--muted);margin:0 0 15px}
    .info-list{list-style:none;margin:20px 0 0;padding:0}
    .info-list li{padding:13px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:20px}
    .info-list strong{color:var(--blue-dark)}
    .info-list span{color:var(--muted);text-align:right;font-size:14px}
    .wide-copy{max-width:840px;color:var(--muted);font-size:16px}
    .wide-copy p{margin:0 0 18px}
    .highlight{border-left:4px solid var(--cyan);padding:16px 20px;background:#eef9fb;color:#396479;border-radius:0 12px 12px 0;margin-top:22px}
    .step-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .step{padding:25px 23px;border-right:1px solid var(--line);min-height:190px;position:relative}
    .step:last-child{border-right:0}
    .step-num{font-size:31px;color:var(--blue);font-weight:900;line-height:1}
    .step h3{font-size:18px;margin:17px 0 7px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .step a{display:inline-block;color:var(--blue);font-weight:800;font-size:13px;margin-top:14px}
    .story{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center}
    .story img{height:360px;width:100%;object-fit:cover;border-radius:22px;box-shadow:var(--shadow)}
    .story-copy h2{font-size:34px;line-height:1.3;color:#173f64}
    .story-copy p{color:var(--muted);margin:15px 0}
    .quote{font-size:21px;font-weight:800;color:var(--blue-dark);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;margin-top:24px}
    .data-strip{background:var(--blue-dark);color:#fff}
    .data-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr .9fr;gap:22px;align-items:center}
    .data-lead{padding-right:25px;border-right:1px solid rgba(255,255,255,.2)}
    .data-lead h2{margin:6px 0;font-size:29px}
    .data-lead p,.data-item small{color:#c8dbea;font-size:14px}
    .data-item b{display:block;font-size:34px;color:#fff;line-height:1.2}
    .data-item{padding:10px 0}
    .contact-section{background:#edf6fb}
    .contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px;align-items:start}
    .contact-list{list-style:none;padding:0;margin-top:25px}
    .contact-list li{padding:10px 0;border-bottom:1px solid #d3e5ef;color:#486b81}
    .form-box{padding:30px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}
    .form-label{font-size:14px;font-weight:700;color:var(--ink)}
    .form-control,.form-select{border:1px solid #cbdde8;border-radius:10px;padding:12px 14px;color:var(--ink)}
    .form-control:focus,.form-select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,104,179,.1)}
    .form-tip{color:var(--muted);font-size:12px;margin-top:12px}
    .success-note{display:none;color:var(--green);background:#eaf8f2;border-radius:9px;padding:10px 13px;margin-top:15px;font-size:14px}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:35px}
    .faq-intro p{color:var(--muted)}
    .accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:11px;overflow:hidden}
    .accordion-button{font-weight:700;color:var(--ink);background:#fff;box-shadow:none!important;padding:18px}
    .accordion-button:not(.collapsed){color:var(--blue);background:var(--blue-soft)}
    .accordion-body{font-size:14px;color:var(--muted);background:#fff}
    .cta-panel{background:#dff1f8;border:1px solid #c9e4ee;border-radius:23px;padding:35px 40px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta-panel h2{font-size:30px;color:var(--blue-dark);margin:0 0 8px}
    .cta-panel p{margin:0;color:#547085}
    footer{background:#123e68;color:#d7e6f0;padding:42px 0 25px}
    .footer-top{display:flex;justify-content:space-between;gap:40px}
    .footer-brand{font-size:23px;font-weight:800;color:#fff}
    .footer-brand p{font-size:13px;line-height:1.8;color:#b9cedd;max-width:330px;font-weight:400;margin:10px 0}
    .footer-links{display:flex;justify-content:flex-end;gap:14px 22px;flex-wrap:wrap;max-width:700px}
    .footer-links a{font-size:13px;color:#d7e6f0;transition:.2s}
    .footer-links a:hover{color:#fff;text-decoration:underline}
    .copyright{border-top:1px solid rgba(255,255,255,.17);margin-top:25px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12px;color:#abc2d2}
    @media(max-width:991px){
      .hero-inner,.story,.split-info,.contact-grid,.faq-grid{grid-template-columns:1fr}
      .hero-visual img{height:300px}
      .steps{grid-template-columns:repeat(2,1fr)}
      .step:nth-child(2){border-right:0}
      .step:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .data-grid{grid-template-columns:1fr 1fr}
      .data-lead{grid-column:1/-1;border-right:0;border-bottom:1px solid rgba(255,255,255,.2);padding-bottom:18px}
      .navbar-collapse{padding:14px 0}
    }
    @media(max-width:767px){
      section{padding:52px 0}
      .hero{padding-top:25px}
      .hero-inner{padding:29px 22px;border-radius:20px}
      .hero h1{font-size:42px}
      .section-head{display:block}
      .section-head p{margin-top:13px}
      .footer-top,.cta-panel{display:block}
      .footer-links{justify-content:flex-start;margin-top:20px}
      .cta-panel .btn-main{margin-top:22px}
    }
    @media(max-width:575px){
      .nav-flag{display:none}
      .hero h1{font-size:36px}
      .hero-copy{font-size:15px}
      .hero-visual img{height:230px}
      .visual-stamp{left:10px;bottom:10px}
      .steps,.data-grid{grid-template-columns:1fr}
      .step{border-right:0!important;border-bottom:1px solid var(--line)}
      .step:last-child{border-bottom:0}
      .data-lead{grid-column:auto}
      .info-card,.form-box{padding:22px}
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:7px}
    }

/* roulang page: category5 */
:root{
      --blue:#1768b3;--blue-dark:#0b477f;--blue-soft:#eaf4fc;--cyan:#56b8c9;
      --ink:#183047;--muted:#657b8f;--line:#dbe7ef;--paper:#fff;--bg:#f5f9fc;
      --warm:#f6a64b;--green:#2d9b75;--radius:18px;
      --shadow:0 14px 38px rgba(29,76,112,.10);--shadow-hover:0 20px 44px rgba(29,76,112,.16)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.8}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(23,104,179,.28);outline-offset:3px}
    .container{max-width:1240px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .navbar{min-height:76px}
    .brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:800;color:var(--blue-dark);letter-spacing:.04em}
    .brand-mark{width:36px;height:36px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 7px 17px rgba(23,104,179,.25)}
    .nav-link{font-size:14px;font-weight:600;color:#50677b!important;padding:9px 13px!important;border-radius:9px;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--blue)!important;background:var(--blue-soft)}
    .nav-flag{font-size:12px;color:var(--green);background:#eaf8f2;padding:4px 9px;border-radius:30px;margin-right:9px;white-space:nowrap}
    .btn-main,.btn-ghost{display:inline-block;border-radius:10px;padding:11px 20px;font-weight:700;transition:.2s;border:1px solid var(--blue)}
    .btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,104,179,.2)}
    .btn-main:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,104,179,.28)}
    .btn-ghost{background:#fff;color:var(--blue)}
    .btn-ghost:hover{background:var(--blue-soft);color:var(--blue-dark);transform:translateY(-2px)}
    .navbar-toggler{border:1px solid var(--line);padding:8px 10px}
    .navbar-toggler:active{transform:scale(.96)}
    .hero{padding:58px 0 42px;background:#eaf5fc url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .hero-inner{background:rgba(250,253,255,.86);border:1px solid rgba(255,255,255,.9);border-radius:28px;padding:42px 48px;box-shadow:var(--shadow);display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;color:var(--blue);font-weight:800}
    .hero h1{font-size:clamp(38px,5vw,65px);line-height:1.18;letter-spacing:-.045em;margin:14px 0 20px;font-weight:900;color:#123e68}
    .hero-copy{font-size:17px;color:#4b687e;max-width:650px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 0}
    .hero-visual{position:relative}
    .hero-visual img{width:100%;height:310px;object-fit:cover;border-radius:20px;border:8px solid rgba(255,255,255,.82);box-shadow:var(--shadow-hover)}
    .status-card{position:absolute;left:-22px;bottom:22px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px 17px;box-shadow:var(--shadow);font-size:13px}
    .status-card b{display:block;color:var(--green);font-size:16px}
    section{padding:72px 0}
    .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}
    .section-head h2{font-size:clamp(27px,3vw,42px);line-height:1.25;margin:8px 0 0;color:#173f64;letter-spacing:-.03em}
    .section-head p{max-width:610px;color:var(--muted);margin:0}
    .crumbs{padding:22px 0 0;color:var(--muted);font-size:13px}
    .crumbs a{color:var(--blue)}
    .search-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow)}
    .search-box{display:flex;gap:12px;max-width:760px}
    .search-box input,.form-control,.form-select{border:1px solid #cbdde8;border-radius:10px;padding:12px 15px;color:var(--ink);background:#fbfdff}
    .search-box input{flex:1}
    .search-hint{color:var(--muted);font-size:13px;margin:12px 0 0}
    .topic-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
    .topic-tabs button{border:1px solid #c8dce9;background:#fff;color:#547085;border-radius:9px;padding:9px 16px;cursor:pointer;transition:.2s}
    .topic-tabs button:hover,.topic-tabs button.active{background:var(--blue-soft);border-color:#9fc9e4;color:var(--blue);font-weight:700}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:34px;align-items:start}
    .faq-intro{background:var(--blue);border-radius:22px;padding:30px;color:#fff;position:sticky;top:105px}
    .faq-intro h3{font-size:26px;margin:9px 0 15px}
    .faq-intro p{color:#d9ebf7;font-size:14px}
    .faq-intro img{width:100%;height:175px;object-fit:cover;border-radius:14px;margin:22px 0}
    .faq-list .accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:11px;overflow:hidden;background:#fff}
    .accordion-button{font-weight:700;color:var(--ink);background:#fff;box-shadow:none!important;padding:18px}
    .accordion-button:not(.collapsed){color:var(--blue);background:var(--blue-soft)}
    .accordion-body{font-size:14px;color:var(--muted);background:#fff;padding:18px 20px 22px}
    .notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .notice{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);transition:.2s}
    .notice:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#b9d5e8}
    .notice h3{font-size:20px;color:var(--blue-dark);margin:8px 0}
    .notice p{color:var(--muted);font-size:14px;margin:0}
    .notice .num{color:var(--warm);font-size:26px;font-weight:900}
    .info-strip{background:#eff7fc;border-top:1px solid #dcecf5;border-bottom:1px solid #dcecf5}
    .info-columns{display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px}
    .info-columns article{padding:20px 0;border-right:1px solid #d4e6ef}
    .info-columns article:last-child{border:0}
    .info-columns h3{font-size:18px;color:var(--blue-dark);margin:0 0 8px}
    .info-columns p{font-size:14px;color:var(--muted);margin:0;padding-right:20px}
    .contact-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:34px;align-items:start}
    .contact-copy{padding:20px 0}
    .contact-copy h2{font-size:36px;line-height:1.3;color:#173f64}
    .contact-copy p{color:var(--muted)}
    .contact-list{list-style:none;padding:0;margin:24px 0 0}
    .contact-list li{padding:11px 0;border-bottom:1px solid #d3e5ef;color:#486b81}
    .contact-list strong{color:var(--blue-dark);margin-right:8px}
    .form-box{padding:30px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line)}
    .form-label{font-weight:700;font-size:14px;color:var(--ink)}
    textarea.form-control{min-height:125px;resize:vertical}
    .form-note{font-size:12px;color:var(--muted);margin:12px 0 0}
    .cta{padding:38px 0}
    .cta-box{background:#dff1f8;border:1px solid #c4e3ef;border-radius:24px;padding:32px 38px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta-box h2{font-size:28px;color:var(--blue-dark);margin:0 0 7px}
    .cta-box p{color:#547085;margin:0}
    footer{background:#123e68;color:#d9e9f3;padding:42px 0 22px}
    .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.17)}
    .footer-brand{font-size:22px;font-weight:800;color:#fff}
    .footer-brand p{font-size:13px;color:#b8d0df;font-weight:400;max-width:350px;margin:8px 0 0}
    .footer-links{display:flex;gap:15px;flex-wrap:wrap;justify-content:flex-end;align-content:flex-start}
    .footer-links a{font-size:13px;color:#c5dce9;transition:.2s}
    .footer-links a:hover{color:#fff}
    .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:19px;font-size:12px;color:#aac5d5;flex-wrap:wrap}
    .hidden{display:none!important}
    @media (max-width:991px){
      .hero-inner,.faq-layout,.contact-grid{grid-template-columns:1fr}
      .faq-intro{position:static}
      .hero-visual img{height:280px}
      .navbar-collapse{padding:14px 0}
      .nav-flag{display:none}
      .info-columns{grid-template-columns:1fr}
      .info-columns article{border-right:0;border-bottom:1px solid #d4e6ef;padding:17px 0}
    }
    @media (max-width:767px){
      section{padding:54px 0}
      .hero{padding:30px 0}
      .hero-inner{padding:28px 22px;border-radius:20px;gap:25px}
      .hero h1{font-size:41px}
      .hero-copy{font-size:15px}
      .section-head{display:block}
      .section-head p{margin-top:13px}
      .notice-grid{grid-template-columns:1fr}
      .cta-box{display:block;padding:27px 23px}
      .cta-box .btn-main{margin-top:20px}
      .footer-top{display:block}
      .footer-links{justify-content:flex-start;margin-top:22px}
    }
    @media (max-width:575px){
      .container{padding-left:18px;padding-right:18px}
      .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;text-align:center}
      .search-box{display:block}
      .search-box .btn-main{width:100%;margin-top:10px}
      .status-card{position:static;margin-top:12px}
      .hero-visual img{height:230px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:7px}
    }