/* roulang page: index */
:root{
            --blue:#2463d4;
            --blue-dark:#17479d;
            --blue-soft:#eaf2ff;
            --cyan:#52b9c9;
            --purple:#7567d8;
            --ink:#17263f;
            --text:#53647c;
            --muted:#8b9ab0;
            --line:#dce6f2;
            --paper:#ffffff;
            --fog:#f5f8fc;
            --warm:#fffaf1;
            --radius:18px;
            --radius-sm:11px;
            --shadow:0 18px 50px rgba(35,76,137,.10);
            --shadow-sm:0 8px 24px rgba(35,76,137,.08);
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--fog);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:15px;line-height:1.75}
        a{color:inherit;text-decoration:none;transition:.25s ease}
        a:hover{color:var(--blue)}
        img{max-width:100%;display:block}
        button,input,select,textarea{font:inherit}
        button:focus,input:focus,select:focus,textarea:focus,a:focus-visible{outline:3px solid rgba(36,99,212,.22);outline-offset:3px}
        .container{width:min(1160px,calc(100% - 40px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(220,230,242,.9);backdrop-filter:blur(16px)}
        .nav-shell{min-height:76px;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:17px;font-weight:800;white-space:nowrap}
        .brand-mark{width:35px;height:35px;border-radius:12px;background:linear-gradient(145deg,var(--blue),#5e8ce8);position:relative;box-shadow:0 7px 16px rgba(36,99,212,.22)}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.8);border-radius:50%}
        .brand-mark:before{width:17px;height:17px;left:9px;top:9px}
        .brand-mark:after{width:5px;height:5px;left:15px;top:15px;background:#fff;border:0}
        .main-nav{display:flex;align-items:center;gap:5px;margin-right:auto}
        .nav-link{padding:9px 14px;border-radius:9px;color:#66758c;font-weight:600}
        .nav-link:hover,.nav-link.active{background:var(--blue-soft);color:var(--blue)}
        .nav-actions{display:flex;align-items:center;gap:10px}
        .command-search{height:40px;width:190px;display:flex;align-items:center;gap:8px;padding:0 11px;border:1px solid var(--line);border-radius:10px;background:#fbfdff;box-shadow:inset 0 1px 3px rgba(39,78,125,.04)}
        .command-search span{color:var(--muted);font-size:16px}
        .command-search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:13px}
        .command-search input::placeholder{color:#9baabd}
        .btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:43px;padding:0 20px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:.25s ease;cursor:pointer}
        .btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(36,99,212,.2)}
        .btn-main:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(36,99,212,.25)}
        .btn-ghost{background:#fff;color:var(--blue);border-color:#bdd0ee}
        .btn-ghost:hover{background:var(--blue-soft);color:var(--blue-dark);transform:translateY(-2px)}
        .mobile-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;padding:7px 10px;color:var(--blue)}
        .hero{padding:72px 0 64px;position:relative;overflow:hidden;background:linear-gradient(135deg,#f8fbff 0%,#eef5ff 64%,#f9f8ff 100%)}
        .hero:before{content:"";position:absolute;width:560px;height:560px;right:-170px;top:-270px;border:1px solid #dbe8fa;border-radius:50%;box-shadow:0 0 0 30px rgba(219,232,250,.35),0 0 0 62px rgba(219,232,250,.18)}
        .hero:after{content:"";position:absolute;width:8px;height:8px;right:23%;top:31%;background:var(--cyan);border-radius:50%;box-shadow:40px 80px 0 var(--purple),-70px 150px 0 #9fc5ee}
        .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative;z-index:1}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--cyan)}
        h1,h2,h3{color:var(--ink);margin:0;font-weight:800;letter-spacing:-.035em}
        h1{font-size:clamp(38px,5vw,64px);line-height:1.16;margin:18px 0 20px;max-width:680px}
        .hero-copy{font-size:17px;line-height:1.95;max-width:650px;color:#5b6c83;margin:0 0 28px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .privacy-note{display:flex;gap:8px;align-items:center;margin-top:19px;color:#8391a5;font-size:12px}
        .coupon-stage{position:relative;min-height:360px;display:flex;align-items:center;justify-content:center}
        .orbit{position:absolute;width:340px;height:340px;border:1px dashed #bfd3ef;border-radius:50%;transform:rotate(-18deg)}
        .coupon{width:min(390px,100%);background:#fff;border:1px solid #d9e6f5;border-radius:22px;box-shadow:var(--shadow);padding:25px;position:relative;overflow:hidden}
        .coupon:before{content:"";position:absolute;right:-46px;top:-55px;width:170px;height:170px;border-radius:50%;background:#edf5ff}
        .coupon-top{display:flex;justify-content:space-between;position:relative;z-index:1;color:var(--muted);font-size:12px}
        .coupon h3{font-size:25px;margin:28px 0 8px;position:relative;z-index:1}
        .coupon p{margin:0 0 20px;color:var(--text);font-size:14px;position:relative;z-index:1}
        .coupon-code{display:flex;align-items:center;justify-content:space-between;border:1px dashed #a7c1e7;background:#f7faff;border-radius:10px;padding:12px 14px;margin-bottom:16px;color:var(--blue);font-weight:800}
        .coupon-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:19px}
        .tag{display:inline-flex;align-items:center;border-radius:7px;background:#eef4ff;color:#4266a1;padding:4px 9px;font-size:12px;font-weight:700}
        .tag.cyan{background:#e9f8f8;color:#318590}.tag.purple{background:#f1efff;color:#665bc0}
        .section{padding:86px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
        .section-head h2{font-size:32px;margin-top:10px}
        .section-head p{max-width:540px;margin:0;color:#718198}
        .benefit-list{display:grid;gap:14px}
        .benefit{display:grid;grid-template-columns:78px 1fr 150px;align-items:center;gap:22px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow-sm);transition:.25s}
        .benefit:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
        .number{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;background:var(--blue-soft);color:var(--blue);font-weight:800;font-size:17px}
        .benefit h3{font-size:19px;margin-bottom:4px}.benefit p{margin:0;font-size:14px;color:#718198}
        .signal{justify-self:end;display:flex;align-items:center;gap:8px;color:#6f819a;font-size:12px}.signal i{width:9px;height:9px;background:#55c1b3;border-radius:50%;box-shadow:0 0 0 5px #e9f8f5}
        .eligibility{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .eligibility-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
        .info-panel{padding:30px;border-radius:var(--radius);background:var(--warm);border:1px solid #f2e7ca}
        .info-panel.blue{background:var(--blue-soft);border-color:#d7e6fb}
        .info-panel h3{font-size:20px;margin:13px 0 8px}.info-panel p{margin:0;color:#65758b;font-size:14px}
        .icon-badge{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#fff;color:var(--blue);font-size:20px;box-shadow:0 5px 15px rgba(50,80,120,.08)}
        .scene{background:#f0f5fb}
        .pathway{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}
        .path-step{min-height:220px;padding:22px 19px;position:relative;border-right:1px solid var(--line)}
        .path-step:last-child{border-right:0}.path-step:not(:last-child):after{content:"›";position:absolute;right:-9px;top:50%;width:18px;height:18px;line-height:15px;text-align:center;color:var(--blue);background:#fff;border:1px solid var(--line);border-radius:50%;z-index:2}
        .step-no{color:var(--blue);font-weight:800;font-size:12px}.path-step h3{font-size:18px;margin:15px 0 7px}.path-step p{font-size:13px;color:#718198;margin:0 0 18px}
        .preview{height:70px;border-radius:11px;background:linear-gradient(135deg,#dceaff,#f0edff);position:relative;overflow:hidden}
        .preview:after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:31px;height:31px;border:2px solid #fff;border-radius:50%;box-shadow:0 2px 8px #7998c5}
        .preview:before{content:"▶";position:absolute;z-index:1;left:50%;top:50%;transform:translate(-42%,-53%);color:#416fc2;font-size:12px}
        .updates{background:#fff}
        .update-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}
        .update-list,.feature-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
        .update-item{display:flex;gap:18px;align-items:center;padding:20px 24px;border-bottom:1px solid var(--line)}.update-item:last-child{border-bottom:0}
        .update-date{width:58px;text-align:center;color:var(--blue);font-weight:800;font-size:12px}.update-date strong{display:block;font-size:21px}
        .update-item h3{font-size:16px;margin-bottom:3px}.update-item p{font-size:13px;margin:0;color:#7b899b}
        .feature-box{padding:27px;background:linear-gradient(145deg,#f0f6ff,#fafaff)}.feature-box h3{font-size:21px;margin:14px 0 9px}.feature-box p{font-size:14px;margin:0 0 20px}
        .metrics{display:flex;gap:20px;margin-top:22px}.metric strong{display:block;color:var(--ink);font-size:23px}.metric span{font-size:12px;color:var(--muted)}
        .trust{padding-top:68px}.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
        .trust-card{padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm)}.trust-card strong{display:block;color:var(--blue);font-size:22px;margin-bottom:3px}.trust-card span{font-size:13px;color:#728198}
        .feedback{margin-top:18px;padding:20px 25px;background:#f8fbff;border-left:3px solid var(--cyan);color:#5e7088;font-size:14px;border-radius:0 12px 12px 0}
        .faq{background:#fff}.accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:10px;overflow:hidden}.accordion-button{color:var(--ink);font-weight:700;background:#fff;box-shadow:none!important}.accordion-button:not(.collapsed){color:var(--blue);background:var(--blue-soft)}.accordion-body{color:#68798f;font-size:14px}
        .apply{padding:78px 0;background:linear-gradient(110deg,#edf5ff,#f8f6ff)}.apply-box{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center}.apply-copy h2{font-size:34px;margin:12px 0}.apply-copy p{color:#66778e}.form-card{background:#fff;padding:27px;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.form-label{font-size:13px;font-weight:700;color:var(--ink)}.form-control,.form-select{border:1px solid var(--line);border-radius:9px;min-height:44px;color:var(--text);box-shadow:none}.form-control:focus,.form-select:focus{border-color:#7da3e4;box-shadow:0 0 0 4px rgba(36,99,212,.1)}
        .site-footer{padding:55px 0 105px;background:#fff;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}.footer-brand p{max-width:300px;color:#7c8ba0;font-size:13px}.footer-title{color:var(--ink);font-size:14px;font-weight:800;margin-bottom:14px}.footer-links{display:grid;gap:9px;color:#74849a;font-size:13px}.footer-links a:hover{color:var(--blue)}.copyright{margin-top:35px;padding-top:20px;border-top:1px solid var(--line);font-size:12px;color:#97a4b5;display:flex;justify-content:space-between;gap:20px}
        .fixed-cta{position:fixed;z-index:90;bottom:18px;left:50%;transform:translateX(-50%);width:min(920px,calc(100% - 40px));display:flex;justify-content:space-between;align-items:center;gap:20px;padding:12px 15px 12px 21px;background:rgba(255,255,255,.96);border:1px solid #cadbef;border-radius:15px;box-shadow:0 13px 35px rgba(34,71,120,.18);backdrop-filter:blur(12px)}.fixed-cta p{margin:0;color:#536780;font-size:13px}.fixed-cta p strong{color:var(--ink);margin-right:7px}.close-cta{border:0;background:transparent;color:#a0adbc;font-size:19px;cursor:pointer}
        @media(max-width:992px){.nav-shell{gap:14px}.main-nav{display:none}.mobile-toggle{display:block;order:2}.brand{margin-right:auto}.nav-actions{order:3}.command-search{width:170px}.hero-grid{gap:35px}.pathway{grid-template-columns:repeat(2,1fr)}.path-step:nth-child(2){border-right:0}.path-step:nth-child(-n+2){border-bottom:1px solid var(--line)}.path-step:nth-child(2):after{display:none}.apply-box{gap:28px}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}}
        @media(max-width:768px){.container{width:min(100% - 30px,600px)}.nav-shell{min-height:65px}.brand{font-size:14px}.brand-mark{width:31px;height:31px}.nav-actions .btn-main{display:none}.command-search{width:145px;height:38px}.hero{padding:53px 0 45px}.hero-grid,.apply-box,.update-layout{grid-template-columns:1fr}.coupon-stage{min-height:315px}.section{padding:60px 0}.section-head{display:block}.section-head h2{font-size:27px;margin-bottom:10px}.benefit{grid-template-columns:54px 1fr;gap:15px;padding:20px}.signal{grid-column:2;justify-self:start}.eligibility-grid,.trust-row{grid-template-columns:1fr}.pathway{grid-template-columns:1fr}.path-step{border-right:0!important;border-bottom:1px solid var(--line)}.path-step:last-child{border-bottom:0}.path-step:after{display:none!important}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}.fixed-cta{bottom:10px;width:calc(100% - 22px);padding:11px 12px 11px 15px}.fixed-cta p{font-size:12px}.fixed-cta p strong{display:block}}
        @media(max-width:520px){h1{font-size:37px}.hero-copy{font-size:15px}.hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}.nav-actions{gap:6px}.command-search{width:125px}.brand{max-width:170px;overflow:hidden;text-overflow:ellipsis}.coupon{padding:20px}.coupon h3{font-size:21px}.footer-grid{grid-template-columns:1fr}.footer-links{gap:7px}.fixed-cta .btn-main{min-height:39px;padding:0 13px;font-size:12px}}

/* roulang page: category1 */
:root{
 --blue:#2463d4;--blue-dark:#17479d;--blue-soft:#eaf2ff;--cyan:#52b9c9;
 --purple:#7567d8;--ink:#17263f;--text:#53647c;--muted:#8b9ab0;
 --line:#dce6f2;--paper:#fff;--fog:#f5f8fc;--warm:#fffaf1;
 --radius:18px;--radius-sm:11px;--shadow:0 18px 50px rgba(35,76,137,.10);
 --shadow-sm:0 8px 24px rgba(35,76,137,.08)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--fog);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:15px;line-height:1.75}
a{color:inherit;text-decoration:none;transition:.25s ease}
a:hover{color:var(--blue)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button:focus,input:focus,select:focus,textarea:focus,a:focus-visible{outline:3px solid rgba(36,99,212,.22);outline-offset:3px}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);border-bottom:1px solid rgba(220,230,242,.9);backdrop-filter:blur(16px)}
.nav-shell{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:17px;font-weight:800;white-space:nowrap}
.brand-mark{width:35px;height:35px;border-radius:12px;background:linear-gradient(145deg,var(--blue),#5e8ce8);position:relative;box-shadow:0 7px 16px rgba(36,99,212,.22)}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.8);border-radius:50%}
.brand-mark:before{width:17px;height:17px;left:9px;top:9px}.brand-mark:after{width:5px;height:5px;left:15px;top:15px;background:#fff;border:0}
.main-nav{display:flex;align-items:center;gap:5px;margin-right:auto}
.nav-link{padding:9px 14px;border-radius:9px;color:#66758c;font-weight:600}
.nav-link:hover,.nav-link.active{background:var(--blue-soft);color:var(--blue)}
.nav-actions{display:flex;align-items:center;gap:10px}
.command-search{height:40px;width:190px;display:flex;align-items:center;gap:8px;padding:0 11px;border:1px solid var(--line);border-radius:10px;background:#fbfdff;box-shadow:inset 0 1px 3px rgba(39,78,125,.04)}
.command-search span{color:var(--muted);font-size:16px}.command-search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:13px}.command-search input::placeholder{color:#9baabd}
.btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:43px;padding:0 20px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:.25s ease;cursor:pointer}
.btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(36,99,212,.2)}.btn-main:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(36,99,212,.25)}
.btn-ghost{background:#fff;color:var(--blue);border-color:#bdd0ee}.btn-ghost:hover{background:var(--blue-soft);color:var(--blue-dark);transform:translateY(-2px)}
.mobile-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;padding:7px 10px;color:var(--blue)}
.page-hero{padding:54px 0 48px;background:linear-gradient(135deg,#f8fbff,#eef5ff 67%,#faf9ff);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero:after{content:"";position:absolute;width:520px;height:220px;right:-90px;top:-60px;border:1px solid #d6e5fa;border-radius:50%;box-shadow:0 0 0 24px rgba(214,229,250,.35),0 0 0 54px rgba(214,229,250,.18)}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:22px;position:relative;z-index:1}.breadcrumb a{color:var(--blue)}
.hero-row{display:flex;justify-content:space-between;gap:35px;align-items:end;position:relative;z-index:1}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.06em}.eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--cyan)}
h1,h2,h3{color:var(--ink);line-height:1.3;margin-top:0}h1{font-size:clamp(31px,4vw,48px);letter-spacing:-.03em;margin:13px 0 13px}h2{font-size:30px;margin:10px 0}h3{font-size:18px;margin-bottom:7px}
.hero-summary{max-width:700px;margin:0;color:#64758c;font-size:16px}
.hero-stats{display:flex;gap:12px;flex-wrap:wrap}.stat-chip{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px;min-width:108px;box-shadow:var(--shadow-sm)}.stat-chip strong{display:block;color:var(--blue);font-size:20px;line-height:1.2}.stat-chip span{font-size:12px;color:var(--muted)}
.section{padding:62px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:26px}.section-head p{max-width:520px;margin:0;color:#718198}
.content-layout{display:grid;grid-template-columns:245px 1fr;gap:27px;align-items:start}
.filter-panel,.list-panel,.note-box,.faq-wrap{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.filter-panel{padding:22px;position:sticky;top:98px}.filter-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;color:var(--ink);font-weight:800}.filter-title small{font-size:12px;color:var(--muted);font-weight:500}
.filter-group{padding:17px 0;border-top:1px solid var(--line)}.filter-group:first-of-type{border-top:0;padding-top:0}.filter-label{display:block;color:var(--ink);font-weight:700;margin-bottom:10px;font-size:13px}
.filter-option{display:flex;align-items:center;gap:9px;margin:9px 0;color:#718198;font-size:13px;cursor:pointer}.filter-option input{accent-color:var(--blue);width:15px;height:15px}
.filter-select{width:100%;border:1px solid var(--line);background:#fbfdff;border-radius:9px;padding:9px;color:var(--text);font-size:13px}
.list-panel{padding:8px 23px}.list-toolbar{display:flex;justify-content:space-between;align-items:center;padding:17px 0;border-bottom:1px solid var(--line);gap:16px}.result-count{color:var(--ink);font-weight:700}.result-count span{color:var(--muted);font-weight:500;font-size:13px;margin-left:7px}
.sort-select{border:1px solid var(--line);border-radius:8px;padding:7px 10px;color:var(--text);background:#fff;font-size:13px}
.content-item{display:grid;grid-template-columns:188px 1fr auto;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.content-item:last-child{border-bottom:0}
.thumb{height:112px;border-radius:12px;position:relative;overflow:hidden;background:linear-gradient(135deg,#dbeaff 0%,#a8c5f0 48%,#ddd9f5 100%);display:flex;align-items:center;justify-content:center;color:#fff}
.thumb:before{content:"";position:absolute;inset:0;background:linear-gradient(130deg,rgba(35,85,170,.15),rgba(117,103,216,.28));filter:blur(3px)}
.thumb-symbol{position:relative;width:47px;height:47px;border:1px solid rgba(255,255,255,.8);border-radius:50%;display:grid;place-items:center;font-size:21px;background:rgba(255,255,255,.16)}
.duration{position:absolute;right:9px;bottom:7px;background:rgba(23,38,63,.68);color:#fff;padding:2px 6px;border-radius:5px;font-size:11px}
.item-title{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.item-title h3{margin:0;font-size:17px}.item-desc{font-size:13px;color:#77869a;margin:8px 0 10px}.item-meta{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:12px}.tag{display:inline-flex;align-items:center;border-radius:7px;background:#eef4ff;color:#4266a1;padding:4px 9px;font-size:12px;font-weight:700}.tag.cyan{background:#e9f8f8;color:#318590}.tag.purple{background:#f1efff;color:#665bc0}.item-action{white-space:nowrap}
.note-box{padding:23px;background:linear-gradient(145deg,#f1f7ff,#fcfbff);margin-top:27px;display:flex;align-items:center;justify-content:space-between;gap:20px}.note-box h3{margin-bottom:5px}.note-box p{margin:0;color:#748399;font-size:13px}
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.quick-card{padding:21px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);transition:.25s}.quick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#bcd0ef}.quick-card strong{display:block;color:var(--ink);margin:12px 0 5px}.quick-card p{font-size:13px;color:#78879a;margin:0}.icon-badge{width:40px;height:40px;border-radius:11px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-size:19px}
.faq-wrap{padding:25px}.accordion-item{border:1px solid var(--line)!important;border-radius:11px!important;margin-bottom:10px;overflow:hidden}.accordion-button{color:var(--ink);font-weight:700;background:#fff;box-shadow:none!important}.accordion-button:not(.collapsed){color:var(--blue);background:var(--blue-soft)}.accordion-body{color:#68798f;font-size:14px}
.cta-box{padding:40px;border-radius:var(--radius);background:linear-gradient(115deg,#edf5ff,#f6f3ff);border:1px solid #d6e3f5;display:flex;align-items:center;justify-content:space-between;gap:25px}.cta-box p{margin:8px 0 0;color:#718198}.cta-actions{display:flex;gap:10px;flex-wrap:wrap}
.site-footer{background:#edf3fa;border-top:1px solid var(--line);padding:52px 0 104px}.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:35px}.footer-brand p{max-width:320px;color:#78879a;font-size:13px;margin:16px 0 0}.footer-title{color:var(--ink);font-weight:800;margin-bottom:12px}.footer-links{display:grid;gap:8px;color:#718198;font-size:13px}.footer-links a:hover{color:var(--blue);transform:translateX(2px)}.copyright{border-top:1px solid #d7e2ef;margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#8a99ab;font-size:12px}
.bottom-bar{position:fixed;bottom:0;left:0;right:0;z-index:90;background:rgba(255,255,255,.96);border-top:1px solid var(--line);box-shadow:0 -8px 25px rgba(35,76,137,.08)}.bottom-inner{min-height:67px;display:flex;align-items:center;justify-content:space-between;gap:18px}.bottom-copy{display:flex;align-items:center;gap:12px;color:#66778d;font-size:13px}.status-dot{width:9px;height:9px;background:#4db6a7;border-radius:50%;box-shadow:0 0 0 5px #e2f5f1}
@media(max-width:992px){.nav-shell{gap:14px}.main-nav{display:none}.mobile-toggle{display:block;order:2}.nav-actions{margin-left:auto}.hero-row{display:block}.hero-stats{margin-top:25px}.content-layout{grid-template-columns:205px 1fr}.content-item{grid-template-columns:145px 1fr}.item-action{grid-column:2}.filter-panel{top:90px}}
@media(max-width:768px){.container{width:min(100% - 30px,620px)}.nav-shell{min-height:68px}.brand{font-size:14px}.brand-mark{width:32px;height:32px}.command-search{position:absolute;top:75px;left:15px;right:15px;width:auto;background:#fff}.site-header{margin-bottom:52px}.page-hero{padding-top:37px}.content-layout{display:block}.filter-panel{position:static;margin-bottom:18px}.list-panel{padding:8px 17px}.quick-grid{grid-template-columns:1fr}.section{padding:48px 0}.section-head{display:block}.section-head p{margin-top:9px}.note-box,.cta-box{display:block;padding:25px}.note-box .btn-main,.cta-box .btn-main{margin-top:18px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.copyright{display:block}.copyright span{display:block;margin-top:5px}.bottom-inner{padding:10px 0;min-height:70px}.bottom-copy{font-size:12px}}
@media(max-width:520px){h1{font-size:31px}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr)}.stat-chip{min-width:0;padding:10px 8px}.stat-chip strong{font-size:17px}.stat-chip span{font-size:11px}.content-item{grid-template-columns:1fr;gap:13px}.thumb{height:145px}.item-action{grid-column:auto;width:100%}.item-action .btn-ghost{width:100%}.list-toolbar{align-items:flex-start;flex-direction:column}.sort-select{width:100%}.footer-grid{grid-template-columns:1fr}.bottom-copy{max-width:58%}.bottom-copy span:last-child{display:none}.bottom-inner .btn-main{padding:0 14px;font-size:13px}}

/* roulang page: category2 */
:root{
 --blue:#2463d4;
 --blue-dark:#17479d;
 --blue-soft:#eaf2ff;
 --cyan:#52b9c9;
 --purple:#7567d8;
 --ink:#17263f;
 --text:#53647c;
 --muted:#8b9ab0;
 --line:#dce6f2;
 --paper:#fff;
 --fog:#f5f8fc;
 --warm:#fffaf1;
 --radius:18px;
 --radius-sm:11px;
 --shadow:0 18px 50px rgba(35,76,137,.10);
 --shadow-sm:0 8px 24px rgba(35,76,137,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--fog);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:15px;line-height:1.75}
a{color:inherit;text-decoration:none;transition:.25s ease}
a:hover{color:var(--blue)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button:focus,input:focus,select:focus,textarea:focus,a:focus-visible{outline:3px solid rgba(36,99,212,.22);outline-offset:3px}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);border-bottom:1px solid rgba(220,230,242,.9);backdrop-filter:blur(16px)}
.nav-shell{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:17px;font-weight:800;white-space:nowrap}
.brand-mark{width:35px;height:35px;border-radius:12px;background:linear-gradient(145deg,var(--blue),#5e8ce8);position:relative;box-shadow:0 7px 16px rgba(36,99,212,.22)}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.8);border-radius:50%}
.brand-mark:before{width:17px;height:17px;left:9px;top:9px}
.brand-mark:after{width:5px;height:5px;left:15px;top:15px;background:#fff;border:0}
.main-nav{display:flex;align-items:center;gap:5px;margin-right:auto}
.nav-link{padding:9px 14px;border-radius:9px;color:#66758c;font-weight:600}
.nav-link:hover,.nav-link.active{background:var(--blue-soft);color:var(--blue)}
.nav-actions{display:flex;align-items:center;gap:10px}
.command-search{height:40px;width:190px;display:flex;align-items:center;gap:8px;padding:0 11px;border:1px solid var(--line);border-radius:10px;background:#fbfdff;box-shadow:inset 0 1px 3px rgba(39,78,125,.04)}
.command-search span{color:var(--muted);font-size:16px}
.command-search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:13px}
.command-search input::placeholder{color:#9baabd}
.btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:43px;padding:0 20px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:.25s ease;cursor:pointer}
.btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(36,99,212,.2)}
.btn-main:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(36,99,212,.25)}
.btn-ghost{background:#fff;color:var(--blue);border-color:#bdd0ee}
.btn-ghost:hover{background:var(--blue-soft);color:var(--blue-dark);transform:translateY(-2px)}
.mobile-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;padding:7px 10px;color:var(--blue)}
.breadcrumb-wrap{padding:24px 0 0}
.breadcrumb{margin:0;padding:0;background:transparent;font-size:13px;color:var(--muted)}
.breadcrumb-item+.breadcrumb-item:before{color:#b2c0d3}
.breadcrumb-item a{color:var(--blue)}
.page-hero{position:relative;overflow:hidden;padding:54px 0 60px;background:linear-gradient(135deg,#f8fbff 0%,#eef5ff 65%,#faf9ff 100%);border-bottom:1px solid var(--line)}
.page-hero:before{content:"";position:absolute;width:480px;height:480px;right:-110px;top:-280px;border:1px solid #dbe8fa;border-radius:50%;box-shadow:0 0 0 28px rgba(219,232,250,.32),0 0 0 58px rgba(219,232,250,.17)}
.page-hero:after{content:"";position:absolute;right:20%;bottom:26px;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:45px -55px 0 var(--purple),-65px -22px 0 #a5c9ed}
.page-hero-inner{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:end;gap:35px}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.08em}
.eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--cyan)}
h1,h2,h3{color:var(--ink);line-height:1.3}
h1{font-size:clamp(32px,4vw,52px);letter-spacing:-.035em;margin:13px 0 15px}
h2{font-size:31px;letter-spacing:-.02em;margin:9px 0 12px}
h3{font-size:18px;margin:0 0 7px}
.page-summary{max-width:650px;margin:0;color:#66788f;font-size:16px}
.hero-stats{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
.stat-pill{min-width:126px;padding:14px 16px;background:rgba(255,255,255,.78);border:1px solid #d9e6f6;border-radius:13px}
.stat-pill strong{display:block;font-size:22px;color:var(--blue);line-height:1.2}
.stat-pill span{font-size:12px;color:var(--muted)}
.section{padding:74px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
.section-head p{max-width:540px;margin:0;color:#718198}
.content-layout{display:grid;grid-template-columns:245px 1fr;gap:28px;align-items:start}
.filter-panel{position:sticky;top:99px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.filter-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:19px;color:var(--ink);font-weight:800}
.filter-title small{font-size:11px;color:var(--muted);font-weight:600}
.filter-group{padding:17px 0;border-top:1px solid var(--line)}
.filter-group:first-of-type{border-top:0;padding-top:0}
.filter-label{display:block;margin-bottom:10px;color:var(--ink);font-size:13px;font-weight:700}
.form-select,.form-control{border-color:var(--line);border-radius:9px;color:var(--text);background-color:#fbfdff;font-size:13px;min-height:42px}
.form-select:focus,.form-control:focus{border-color:#8eb1e9;box-shadow:0 0 0 4px rgba(36,99,212,.1)}
.check-row{display:flex;align-items:center;gap:8px;margin:8px 0;font-size:13px;color:#6d7c91;cursor:pointer}
.check-row input{accent-color:var(--blue);width:15px;height:15px}
.filter-note{margin-top:18px;padding:12px;background:var(--blue-soft);border-radius:10px;color:#54709f;font-size:12px;line-height:1.6}
.matrix-area{min-width:0}
.result-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:18px;padding:13px 17px;background:#fff;border:1px solid var(--line);border-radius:12px}
.result-bar strong{color:var(--ink);font-size:14px}
.result-bar span{color:var(--muted);font-size:12px}
.feature-matrix{display:grid;grid-template-columns:1.35fr .82fr .82fr;gap:16px;margin-bottom:26px}
.content-card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.25s ease}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.thumb{position:relative;overflow:hidden;background:linear-gradient(135deg,#dceaff 0%,#b6d3fa 48%,#e7e2ff 100%)}
.thumb:before{content:"";position:absolute;inset:16px;border:1px solid rgba(255,255,255,.7);border-radius:14px;transform:rotate(-4deg)}
.thumb:after{content:"◇  ◌  ·";position:absolute;right:18px;bottom:12px;color:rgba(36,99,212,.45);font-size:22px;letter-spacing:8px}
.thumb-large{height:260px}
.thumb-small{height:142px}
.thumb-grid{height:148px}
.play-button{position:absolute;left:18px;bottom:17px;width:39px;height:39px;display:grid;place-items:center;border-radius:50%;background:#fff;color:var(--blue);box-shadow:0 7px 15px rgba(36,70,130,.16);font-size:15px}
.card-body{padding:19px 20px 21px}
.card-body.compact{padding:15px 16px 17px}
.card-tags{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:11px}
.tag{display:inline-flex;align-items:center;border-radius:7px;background:#eef4ff;color:#4266a1;padding:4px 9px;font-size:11px;font-weight:700}
.tag.cyan{background:#e9f8f8;color:#318590}
.tag.purple{background:#f1efff;color:#665bc0}
.card-title{color:var(--ink);font-weight:800;font-size:18px;margin:0 0 7px}
.compact .card-title{font-size:15px}
.card-desc{color:#718198;font-size:13px;line-height:1.7;margin:0 0 15px}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--muted);font-size:12px}
.card-foot a{color:var(--blue);font-weight:700}
.matrix-small{display:flex;flex-direction:column}
.matrix-small .card-body{flex:1}
.grid-heading{display:flex;align-items:center;justify-content:space-between;margin:0 0 15px}
.grid-heading h3{font-size:20px;margin:0}
.grid-heading span{font-size:12px;color:var(--muted)}
.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.content-grid .content-card{border-radius:15px}
.empty-state{display:none;margin-top:18px;padding:35px;text-align:center;background:#fff;border:1px dashed #bfd0e8;border-radius:var(--radius);color:var(--muted)}
.ribbon{position:absolute;top:14px;left:14px;z-index:2;padding:5px 9px;border-radius:7px;background:var(--blue);color:#fff;font-size:11px;font-weight:800}
.update-panel{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.info-box{padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.info-box.soft{background:linear-gradient(145deg,#f0f6ff,#fafaff)}
.info-box p{margin:0;color:#708097;font-size:14px}
.info-list{list-style:none;padding:0;margin:17px 0 0}
.info-list li{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}
.info-list li:last-child{border:0}
.info-list b{color:var(--blue);font-size:16px;line-height:1.4}
.faq{background:#fff}
.accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:10px;overflow:hidden}
.accordion-button{color:var(--ink);font-weight:700;background:#fff;box-shadow:none!important}
.accordion-button:not(.collapsed){color:var(--blue);background:var(--blue-soft)}
.accordion-body{color:#68798f;font-size:14px}
.cta-panel{padding:38px 42px;background:linear-gradient(120deg,#eaf2ff,#f3f1ff);border:1px solid #cfdef3;border-radius:var(--radius);display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta-panel p{margin:0;color:#657792}
.site-footer{padding:58px 0 105px;background:#eef3f9;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand p{max-width:330px;margin:16px 0 0;color:#718198;font-size:13px}
.footer-title{margin-bottom:12px;color:var(--ink);font-weight:800;font-size:14px}
.footer-links{display:grid;gap:8px;color:#718198;font-size:13px}
.footer-links a:hover{color:var(--blue);transform:translateX(2px)}
.copyright{display:flex;justify-content:space-between;gap:20px;margin-top:38px;padding-top:20px;border-top:1px solid #d5e0ec;color:#8a99ab;font-size:12px}
.fixed-bar{position:fixed;z-index:90;bottom:0;left:0;right:0;background:rgba(255,255,255,.96);border-top:1px solid var(--line);box-shadow:0 -8px 28px rgba(45,78,125,.1);backdrop-filter:blur(14px)}
.fixed-inner{min-height:65px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.fixed-copy{display:flex;align-items:center;gap:12px;color:#62738b;font-size:13px}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px #e3f5f6}
.close-bar{border:0;background:none;color:var(--muted);font-size:20px;line-height:1;cursor:pointer}
@media(max-width:1050px){
 .nav-shell{gap:15px}.command-search{width:150px}.content-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:800px){
 .container{width:min(100% - 30px,680px)}
 .main-nav{display:none}.mobile-toggle{display:block;order:3}
 .nav-actions{margin-left:auto}.command-search{width:170px}
 .page-hero-inner{display:block}.hero-stats{justify-content:flex-start;margin-top:25px}
 .content-layout{grid-template-columns:1fr}.filter-panel{position:static}
 .feature-matrix{grid-template-columns:1fr 1fr}.feature-matrix .matrix-feature{grid-column:1/-1}
 .update-panel{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}
}
@media(max-width:560px){
 body{font-size:14px}.container{width:calc(100% - 28px)}
 .nav-shell{min-height:68px;flex-wrap:wrap;padding:10px 0}.brand{font-size:15px}
 .brand-mark{width:31px;height:31px;border-radius:10px}.brand-mark:before{left:8px;top:8px}.brand-mark:after{left:13px;top:13px}
 .nav-actions{order:2;width:100%;margin:0}.command-search{width:100%;height:38px}.nav-actions .btn-main{display:none}
 .mobile-toggle{position:absolute;right:0;top:17px}
 .breadcrumb-wrap{padding-top:18px}.page-hero{padding:34px 0 38px}
 h1{font-size:33px}.page-summary{font-size:14px}.section{padding:52px 0}
 .section-head{display:block}.section-head p{margin-top:10px}.feature-matrix{display:block}.matrix-small{margin-top:16px}
 .content-grid{grid-template-columns:1fr}.result-bar{align-items:flex-start;flex-direction:column;gap:3px}
 .info-box{padding:21px}.cta-panel{display:block;padding:27px 23px}.cta-panel .btn-main{margin-top:20px;width:100%}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}
 .copyright{display:block;line-height:2}.copyright span{display:block}
 .fixed-inner{min-height:76px;padding:10px 0}.fixed-copy{font-size:12px;line-height:1.45}.fixed-inner .btn-main{min-height:42px;padding:0 13px;font-size:13px}
}