/* roulang page: index */
:root{
      --primary:#2457d6;
      --primary-dark:#173da8;
      --blue-soft:#eaf2ff;
      --cyan:#5fafc4;
      --ink:#172743;
      --muted:#66748c;
      --line:#dce5f2;
      --bg:#f6f9fd;
      --white:#fff;
      --orange:#f28b55;
      --shadow:0 18px 48px rgba(39,75,135,.10);
      --shadow-sm:0 8px 24px rgba(39,75,135,.08);
      --radius:20px;
      --max:1220px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;max-width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(36,87,214,.28);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .topline{height:4px;background:var(--primary)}
    header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .nav{height:76px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:22px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 7px 16px rgba(36,87,214,.24)}
    .channels{display:flex;align-items:center;gap:21px;flex:1}
    .channels a{font-size:14px;color:#56657d;white-space:nowrap;padding:8px 0;position:relative}
    .channels a:hover,.channels a.active{color:var(--primary)}
    .channels a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;border-radius:4px;background:var(--primary)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search{width:174px;background:#f5f8fc;border:1px solid var(--line);border-radius:12px;padding:10px 13px;color:var(--ink);transition:.25s}
    .search::placeholder{color:#9aa8bb}
    .search:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,87,214,.09);background:#fff;outline:0}
    .nav-link{padding:9px 8px;color:var(--muted);white-space:nowrap}
    .menu-btn{display:none;background:var(--blue-soft);color:var(--primary);padding:9px 12px;border-radius:10px}
    .btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:700;transition:.25s;white-space:nowrap}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 9px 19px rgba(36,87,214,.2)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
    .btn-secondary{background:#fff;color:var(--primary);border:1px solid #cbdaf3}
    .btn-secondary:hover{background:var(--blue-soft);border-color:var(--primary)}
    .btn-disabled{opacity:.5;cursor:not-allowed}
    .hero{padding:34px 0 22px}
    .hero-banner{min-height:285px;border-radius:26px;overflow:hidden;position:relative;background:#dcecff url('/assets/images/backpic/back-1.webp') center/cover no-repeat;display:flex;align-items:center}
    .hero-banner:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,249,253,.98) 0%,rgba(246,249,253,.9) 43%,rgba(246,249,253,.18) 100%)}
    .hero-content{position:relative;z-index:1;width:62%;padding:38px 48px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:700;margin-bottom:12px}
    .eyebrow i{width:8px;height:8px;background:var(--orange);border-radius:50%;display:inline-block}
    h1{font-size:clamp(32px,4vw,55px);line-height:1.2;letter-spacing:-2px;margin-bottom:16px}
    .hero-copy{font-size:16px;color:#53647e;max-width:650px;margin-bottom:22px}
    .hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
    .hero-points{display:flex;gap:26px;margin-top:25px;color:#596a83;font-size:13px}
    .hero-points strong{display:block;color:var(--ink);font-size:21px;line-height:1.2}
    .section{padding:76px 0 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:27px}
    .section-head h2{font-size:30px;letter-spacing:-1px;line-height:1.3}
    .section-head p{color:var(--muted);max-width:620px}
    .label{font-size:12px;color:var(--primary);font-weight:800;letter-spacing:1px;margin-bottom:8px;text-transform:uppercase}
    .stats{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.35fr;gap:14px}
    .stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px 24px;box-shadow:var(--shadow-sm);min-height:120px}
    .stat strong{font-size:32px;color:var(--primary);display:block;line-height:1.2;margin-bottom:6px}
    .stat span{color:var(--muted);font-size:13px}
    .stat small{display:block;color:#49a2a2;margin-top:8px}
    .coupon-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:16px}
    .coupon{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow-sm);min-height:185px;position:relative;overflow:hidden}
    .coupon.large{background:var(--primary);color:#fff;padding:34px}
    .coupon.large p,.coupon.large .muted{color:#d8e5ff}
    .coupon:before{content:"28";position:absolute;right:18px;bottom:-18px;color:rgba(36,87,214,.06);font-size:110px;font-weight:900}
    .coupon.large:before{color:rgba(255,255,255,.12)}
    .coupon h3{font-size:21px;margin:6px 0 9px;position:relative}
    .coupon p{color:var(--muted);font-size:14px;position:relative}
    .coupon .tag{position:relative}
    .tag{display:inline-flex;padding:4px 9px;border-radius:7px;background:var(--blue-soft);color:var(--primary);font-size:12px;font-weight:700}
    .coupon.large .tag{background:rgba(255,255,255,.16);color:#fff}
    .coupon .btn{margin-top:18px;position:relative}
    .rules{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .rule-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm)}
    .rule-panel h3{font-size:23px;margin-bottom:12px}
    .rule-panel>p{color:var(--muted);margin-bottom:20px}
    .steps{display:flex;flex-direction:column;gap:15px}
    .step{display:grid;grid-template-columns:38px 1fr;gap:14px;align-items:start}
    .step-no{width:32px;height:32px;border-radius:10px;background:var(--blue-soft);color:var(--primary);display:grid;place-items:center;font-weight:800}
    .step strong{display:block;margin-bottom:3px}
    .step span{font-size:13px;color:var(--muted)}
    .feature-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch}
    .feature-image{border-radius:var(--radius);overflow:hidden;min-height:390px;position:relative}
    .feature-image img{height:100%;min-height:390px}
    .image-caption{position:absolute;bottom:0;left:0;right:0;padding:28px;color:#fff;background:linear-gradient(transparent,rgba(12,35,77,.8))}
    .image-caption h3{font-size:25px}
    .feature-copy{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:35px;box-shadow:var(--shadow-sm)}
    .feature-copy h3{font-size:25px;margin-bottom:15px}
    .feature-copy p{color:var(--muted);margin-bottom:17px}
    .checklist{list-style:none;display:grid;gap:11px;margin-top:22px}
    .checklist li{padding-left:27px;position:relative;color:#43536d}
    .checklist li:before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:800}
    .matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .matrix-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:23px;min-height:175px;transition:.25s}
    .matrix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .matrix-card:first-child{grid-column:span 2;background:#eef5ff}
    .matrix-card h3{font-size:18px;margin:12px 0 7px}
    .matrix-card p{font-size:13px;color:var(--muted)}
    .icon{width:38px;height:38px;border-radius:12px;background:#fff;color:var(--primary);display:grid;place-items:center;font-weight:800;border:1px solid #d8e5f6}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}
    .compare-card.highlight{border-color:#9ab8f4;box-shadow:var(--shadow)}
    .compare-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
    .compare-title h3{font-size:21px}
    .status{font-size:12px;padding:5px 9px;border-radius:7px;background:#edf7f4;color:#258d80}
    .bar{height:9px;background:#edf1f7;border-radius:10px;overflow:hidden;margin:8px 0 17px}
    .bar i{height:100%;display:block;border-radius:10px;background:var(--primary)}
    .compare-list{list-style:none;color:var(--muted);font-size:14px;display:grid;gap:11px}
    .compare-list li{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding-bottom:8px}
    .compare-list b{color:var(--ink)}
    .deep{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;margin-top:20px}
    .deep-text,.timeline{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm)}
    .deep-text h3{font-size:24px;margin-bottom:15px}
    .deep-text p{color:var(--muted);margin-bottom:15px}
    .timeline{display:grid;gap:17px}
    .time-item{border-left:2px solid #c9dbfb;padding-left:18px}
    .time-item b{color:var(--primary);font-size:13px}
    .time-item h4{margin:2px 0}
    .time-item p{color:var(--muted);font-size:13px}
    .news-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
    .main-news{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
    .main-news img{height:220px}
    .news-body{padding:26px}
    .date{color:var(--primary);font-size:12px;font-weight:700}
    .news-body h3{font-size:23px;margin:7px 0 9px}
    .news-body p,.news-item p{color:var(--muted);font-size:14px}
    .news-list{display:grid;gap:10px}
    .news-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px 19px;display:grid;grid-template-columns:72px 1fr;gap:14px}
    .news-item h4{font-size:16px;margin:2px 0 4px}
    .news-item .btn-text{color:var(--primary);font-size:13px;font-weight:700;display:inline-block;margin-top:5px}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:30px}
    .faq-intro{background:var(--primary);color:#fff;border-radius:var(--radius);padding:32px;min-height:280px}
    .faq-intro p{color:#dbe7ff;margin-top:12px}
    .faq-intro .btn{margin-top:28px;background:#fff;color:var(--primary)}
    .faq-list{display:grid;gap:11px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden}
    .faq-q{width:100%;background:#fff;color:var(--ink);display:flex;justify-content:space-between;text-align:left;padding:18px 20px;font-weight:700}
    .faq-q:hover{background:#f8fbff}
    .faq-q span:last-child{color:var(--primary);font-size:22px;line-height:1}
    .faq-a{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q{color:var(--primary)}
    .brand-story{display:grid;grid-template-columns:.7fr 1.3fr;gap:25px;align-items:stretch}
    .story-aside{background:#eaf2ff;border-radius:var(--radius);padding:32px;display:flex;flex-direction:column;justify-content:space-between}
    .story-aside strong{font-size:58px;color:var(--primary);line-height:1}
    .story-aside span{color:#5e7497}
    .story-copy{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:35px;box-shadow:var(--shadow-sm)}
    .story-copy h2{font-size:27px;margin-bottom:14px}
    .story-copy p{color:var(--muted);margin-bottom:15px}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow-sm)}
    .stars{color:#ef9a57;letter-spacing:3px;margin-bottom:10px}
    .quote p{color:#56667e;font-size:14px;min-height:78px}
    .quote small{display:block;margin-top:15px;color:var(--primary);font-weight:700}
    .form-section{padding-bottom:82px}
    .cta-box{background:#edf4ff;border:1px solid #cfe0fc;border-radius:24px;padding:38px;display:grid;grid-template-columns:1fr 1.1fr;gap:40px}
    .cta-box h2{font-size:30px;margin-bottom:12px}
    .cta-box p{color:var(--muted)}
    .contact-points{list-style:none;margin-top:24px;display:grid;gap:13px;color:#53647e}
    .contact-points li:before{content:"•";color:var(--primary);font-size:22px;vertical-align:-2px;margin-right:10px}
    form{background:#fff;padding:24px;border-radius:17px;border:1px solid var(--line);display:grid;gap:14px}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    label{font-size:13px;font-weight:700;color:#40516b;display:grid;gap:6px}
    input,textarea{border:1px solid var(--line);background:#fafcff;border-radius:10px;padding:11px 13px;color:var(--ink);transition:.2s}
    input:focus,textarea:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,87,214,.08);background:#fff}
    textarea{resize:vertical;min-height:88px}
    .form-note{font-size:12px;color:#8996a9}
    .error{border-color:#df7272!important;background:#fff7f7!important}
    .form-message{font-size:13px;color:#258d80;display:none}
    footer{background:#eaf0f8;border-top:1px solid var(--line);padding:52px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px}
    footer h3{font-size:21px;margin-bottom:11px}
    footer h4{font-size:14px;margin-bottom:12px}
    footer p,footer a{color:#65748b;font-size:13px}
    footer a{display:block;margin:7px 0}
    footer a:hover{color:var(--primary)}
    .footer-bottom{border-top:1px solid #d5dfec;margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#76859a;font-size:12px}
    .footer-bottom a{display:inline;margin-left:14px}
    @media(max-width:1024px){
      .channels{gap:12px}.nav{gap:17px}.search{width:135px}
      .hero-content{width:75%}.matrix{grid-template-columns:repeat(2,1fr)}
      .matrix-card:first-child{grid-column:span 2}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,var(--max))}
      .nav{height:68px;flex-wrap:wrap}.menu-btn{display:block}.channels{display:none;position:absolute;top:68px;left:15px;right:15px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:2px}
      .channels.show{display:flex}.channels a{padding:10px 12px}.nav-actions{margin-left:auto}.nav-link{display:none}.search{width:125px}
      .hero{padding-top:18px}.hero-banner{min-height:430px;align-items:flex-start}.hero-content{width:100%;padding:34px 25px}.hero-banner:after{background:linear-gradient(180deg,rgba(246,249,253,.98) 0%,rgba(246,249,253,.84) 56%,rgba(246,249,253,.2) 100%)}
      h1{font-size:38px}.hero-points{gap:15px;flex-wrap:wrap}
      .section{padding-top:55px}.section-head{display:block}.section-head p{margin-top:10px}
      .stats{display:flex;overflow-x:auto;padding-bottom:6px}.stat{min-width:180px}
      .coupon-grid,.rules,.feature-layout,.compare,.deep,.news-wrap,.faq-layout,.brand-story,.cta-box{grid-template-columns:1fr}
      .coupon.large{min-height:210px}.feature-image{min-height:280px}.feature-image img{min-height:280px}
      .quote-grid{grid-template-columns:1fr}.quote p{min-height:auto}.footer-grid{grid-template-columns:1fr 1fr}
      .cta-box{padding:25px;gap:24px}
    }
    @media(max-width:520px){
      body{font-size:14px}.container{width:calc(100% - 24px)}.brand{font-size:19px}.brand-mark{width:30px;height:30px}
      .nav{gap:8px}.nav-actions{gap:5px}.search{width:108px;padding:9px 8px}.nav-actions .btn{padding:9px 11px;font-size:12px}
      .hero-banner{min-height:465px}.hero-content{padding:28px 19px}h1{font-size:32px;letter-spacing:-1px}
      .hero-copy{font-size:15px}.hero-points strong{font-size:18px}.section-head h2{font-size:25px}
      .matrix{grid-template-columns:1fr}.matrix-card:first-child{grid-column:auto}.rule-panel,.feature-copy,.deep-text,.timeline{padding:23px}
      .form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:9px}.footer-bottom a{margin-left:0;margin-right:13px}
    }

/* roulang page: category2 */
:root{
 --primary:#2457d6;--primary-dark:#173da8;--blue-soft:#eaf2ff;--cyan:#5fafc4;
 --ink:#172743;--muted:#66748c;--line:#dce5f2;--bg:#f6f9fd;--white:#fff;
 --orange:#f28b55;--green:#318c73;--shadow:0 18px 48px rgba(39,75,135,.10);
 --shadow-sm:0 8px 24px rgba(39,75,135,.08);--radius:20px;--max:1220px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;max-width:100%;object-fit:cover}
button,input,textarea,select{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav{height:76px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:22px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 7px 16px rgba(36,87,214,.24)}
.channels{display:flex;align-items:center;gap:20px;flex:1}
.channels a{font-size:14px;color:#56657d;white-space:nowrap;padding:8px 0;position:relative}
.channels a:hover,.channels a.active{color:var(--primary)}
.channels a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;border-radius:4px;background:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.search{width:174px;background:#f5f8fc;border:1px solid var(--line);border-radius:12px;padding:10px 13px;color:var(--ink);transition:.25s}
.search::placeholder{color:#9aa8bb}
.search:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,87,214,.09);background:#fff;outline:0}
.nav-link{padding:9px 8px;color:var(--muted);white-space:nowrap}
.menu-btn{display:none;background:var(--blue-soft);color:var(--primary);padding:9px 12px;border-radius:10px}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:700;transition:.25s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 9px 19px rgba(36,87,214,.2)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-secondary{background:#fff;color:var(--primary);border:1px solid #cbdaf3}
.btn-secondary:hover{background:var(--blue-soft);border-color:var(--primary)}
.btn:focus-visible,.channels a:focus-visible,.footer-grid a:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(36,87,214,.3);outline-offset:3px}
.hero{padding:42px 0 20px}
.hero-banner{min-height:320px;border-radius:26px;overflow:hidden;position:relative;background:#dcecff url('/assets/images/backpic/back-2.webp') center/cover no-repeat;display:flex;align-items:center}
.hero-banner:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,249,253,.98),rgba(246,249,253,.88) 46%,rgba(246,249,253,.18))}
.hero-content{position:relative;z-index:1;width:66%;padding:42px 52px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:700;margin-bottom:12px}
.eyebrow i{width:8px;height:8px;background:var(--orange);border-radius:50%;display:inline-block}
h1{font-size:clamp(32px,4vw,54px);line-height:1.2;letter-spacing:-2px;margin-bottom:15px}
.hero-copy{font-size:16px;color:#53647e;max-width:670px;margin-bottom:22px}
.hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
.hero-points{display:flex;gap:30px;margin-top:25px;color:#596a83;font-size:13px}
.hero-points strong{display:block;color:var(--ink);font-size:21px;line-height:1.2}
.section{padding:72px 0 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:25px}
.section-head h2{font-size:30px;letter-spacing:-1px;line-height:1.3}
.section-head p{color:var(--muted);max-width:650px}
.breadcrumb{padding:21px 0 0;color:#8190a6;font-size:13px}
.breadcrumb a{color:var(--primary)}
.filter-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:19px;box-shadow:var(--shadow-sm);display:grid;grid-template-columns:1.35fr .8fr .8fr auto;gap:12px;align-items:center}
.filter-panel input,.filter-panel select{width:100%;border:1px solid var(--line);border-radius:11px;background:#f8fafe;color:var(--ink);padding:11px 13px;outline:0}
.filter-panel input:focus,.filter-panel select:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,87,214,.08);background:#fff}
.filter-note{font-size:13px;color:var(--muted);margin-top:12px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{display:inline-flex;padding:5px 10px;border-radius:8px;background:var(--blue-soft);color:var(--primary);font-size:12px;font-weight:700}
.tag.orange{background:#fff0e9;color:#c96635}
.tag.green{background:#e8f7f2;color:var(--green)}
.news-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
.news-list{display:grid;gap:13px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px;display:grid;grid-template-columns:86px 1fr;gap:17px;transition:.25s}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#b7ccef}
.news-card.hidden{display:none}
.date-box{background:#f0f5ff;border-radius:12px;height:73px;text-align:center;padding-top:9px;color:var(--primary)}
.date-box b{display:block;font-size:24px;line-height:1.1}
.date-box span{font-size:12px}
.news-card h3{font-size:18px;line-height:1.45;margin:7px 0 5px}
.news-card p{font-size:13px;color:var(--muted);margin-bottom:8px}
.meta{display:flex;justify-content:space-between;align-items:center;gap:10px;color:#8a97aa;font-size:12px}
.text-link{color:var(--primary);font-weight:700}
.feature-news{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.feature-news img{height:245px}
.feature-body{padding:27px}
.feature-body h3{font-size:24px;line-height:1.4;margin:10px 0}
.feature-body p{color:var(--muted);margin-bottom:18px}
.data-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.data-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px 22px}
.data-item strong{display:block;font-size:27px;color:var(--primary);line-height:1.25}
.data-item span{font-size:13px;color:var(--muted)}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px}
.info-card h3{font-size:22px;margin-bottom:12px}
.info-card p{color:var(--muted);margin-bottom:14px}
.info-card img{height:210px;border-radius:14px;margin-bottom:20px}
.steps{display:grid;gap:14px}
.step{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start;padding:14px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:0}
.step-num{width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800}
.step h4{margin-bottom:3px}
.step p{font-size:13px;color:var(--muted)}
.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:34px;align-items:start}
.faq-intro{background:#eaf2ff;border-radius:20px;padding:30px}
.faq-intro h3{font-size:24px;margin-bottom:10px}
.faq-intro p{color:#53647e}
.faq-list{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-question{width:100%;background:#fff;color:var(--ink);padding:18px 20px;text-align:left;display:flex;justify-content:space-between;align-items:center;font-weight:700}
.faq-question span:last-child{font-size:22px;color:var(--primary);transition:.2s}
.faq-answer{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta{margin:78px 0 0;background:var(--primary);border-radius:24px;padding:38px 42px;color:#fff;display:flex;justify-content:space-between;gap:24px;align-items:center}
.cta h2{font-size:29px;margin-bottom:7px}
.cta p{color:#dbe7ff}
.cta .btn-secondary{background:#fff;border-color:#fff}
.form-wrap{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow-sm)}
.form-grid{display:grid;grid-template-columns:1fr 1fr 1.4fr auto;gap:12px;align-items:end}
.field label{display:block;color:#53647e;font-size:13px;margin-bottom:5px}
.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:11px;padding:11px 13px;outline:0;background:#fbfcff}
.field input:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,87,214,.08)}
.privacy{font-size:12px;color:#8b98aa;margin-top:12px}
.form-status{font-size:13px;color:var(--green);margin-top:9px;min-height:22px}
footer{margin-top:80px;background:#edf3fb;border-top:1px solid var(--line);padding:45px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
.footer-grid h3{font-size:22px;margin-bottom:10px}
.footer-grid h4{font-size:15px;margin-bottom:12px}
.footer-grid p{color:var(--muted);max-width:280px;font-size:13px}
.footer-grid a{display:block;color:#66758b;font-size:13px;margin:7px 0}
.footer-grid a:hover,.footer-bottom a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid #d7e1ef;margin-top:32px;padding-top:18px;display:flex;justify-content:space-between;gap:14px;color:#8491a5;font-size:12px}
.footer-bottom span:last-child{display:flex;gap:15px}
@media(max-width:1100px){.nav{gap:18px}.channels{gap:13px}.nav-actions .search{width:140px}.channels a{font-size:13px}}
@media(max-width:900px){.channels{display:none}.menu-btn{display:block;margin-left:auto}.nav-actions{display:none}.nav.menu-open{height:auto;flex-wrap:wrap;padding:14px 0}.nav.menu-open .channels{display:flex;order:4;flex-basis:100%;overflow:auto;padding:8px 0}.nav.menu-open .nav-actions{display:flex;order:5;flex-basis:100%;padding-bottom:8px}.hero-content{width:80%}.filter-panel{grid-template-columns:1fr 1fr}.filter-panel .btn{grid-column:span 2}.news-layout,.info-grid,.faq-layout{grid-template-columns:1fr}.data-strip{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.container{width:min(var(--max),calc(100% - 30px))}.nav{height:66px}.brand{font-size:20px}.hero{padding-top:24px}.hero-banner{min-height:390px}.hero-content{width:100%;padding:30px 24px;align-self:end}.hero-points{gap:18px;flex-wrap:wrap}.section{padding-top:52px}.section-head{display:block}.section-head h2{font-size:25px;margin-bottom:9px}h1{font-size:34px}.filter-panel{grid-template-columns:1fr}.filter-panel .btn{grid-column:auto}.news-card{grid-template-columns:64px 1fr;padding:15px;gap:11px}.date-box{height:65px}.date-box b{font-size:21px}.meta{display:block}.meta .text-link{display:block;margin-top:5px}.data-strip{grid-template-columns:1fr 1fr;gap:9px}.data-item{padding:15px}.data-item strong{font-size:22px}.cta{display:block;padding:28px 24px}.cta .btn{margin-top:18px;width:100%}.form-grid{grid-template-columns:1fr}.form-grid .btn{width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:10px}.footer-bottom span:last-child{display:flex;flex-wrap:wrap}.feature-news img{height:190px}}
@media(max-width:400px){.footer-grid{grid-template-columns:1fr}.hero-buttons .btn{width:100%}}

/* roulang page: category1 */
:root{
 --primary:#2457d6;--primary-dark:#173da8;--blue-soft:#eaf2ff;--cyan:#5fafc4;
 --ink:#172743;--muted:#66748c;--line:#dce5f2;--bg:#f6f9fd;--white:#fff;
 --orange:#f28b55;--green:#3a9b79;--shadow:0 18px 48px rgba(39,75,135,.10);
 --shadow-sm:0 8px 24px rgba(39,75,135,.08);--radius:20px;--max:1220px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;max-width:100%;object-fit:cover}
button,input,textarea,select{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav{min-height:76px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:22px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 7px 16px rgba(36,87,214,.24)}
.channels{display:flex;align-items:center;gap:20px;flex:1}
.channels a{font-size:14px;color:#56657d;white-space:nowrap;padding:8px 0;position:relative}
.channels a:hover,.channels a.active{color:var(--primary)}
.channels a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;border-radius:4px;background:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.search{width:174px;background:#f5f8fc;border:1px solid var(--line);border-radius:12px;padding:10px 13px;color:var(--ink);transition:.25s}
.search::placeholder{color:#9aa8bb}
.search:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,87,214,.09);background:#fff;outline:0}
.nav-link{padding:9px 8px;color:var(--muted);white-space:nowrap}
.menu-btn{display:none;background:var(--blue-soft);color:var(--primary);padding:9px 12px;border-radius:10px}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:700;transition:.25s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 9px 19px rgba(36,87,214,.2)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-secondary{background:#fff;color:var(--primary);border:1px solid #cbdaf3}
.btn-secondary:hover{background:var(--blue-soft);border-color:var(--primary)}
.btn:focus-visible,.channels a:focus-visible,.footer-grid a:focus-visible{outline:3px solid rgba(36,87,214,.28);outline-offset:3px}
.hero{padding:34px 0 0}
.hero-banner{min-height:330px;border-radius:26px;overflow:hidden;position:relative;background:#dcecff url('/assets/images/backpic/back-2.webp') center/cover no-repeat;display:flex;align-items:center}
.hero-banner:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,249,253,.99) 0%,rgba(246,249,253,.94) 45%,rgba(246,249,253,.22) 100%)}
.hero-content{position:relative;z-index:1;width:67%;padding:48px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:700;margin-bottom:12px}
.eyebrow i{width:8px;height:8px;background:var(--orange);border-radius:50%;display:inline-block}
h1{font-size:clamp(34px,5vw,58px);letter-spacing:-2px;line-height:1.16;margin-bottom:18px}
.hero-copy{font-size:16px;color:#53647e;max-width:680px;margin-bottom:24px}
.hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
.hero-points{display:flex;gap:30px;margin-top:27px;color:#596a83;font-size:13px}
.hero-points strong{display:block;color:var(--ink);font-size:21px;line-height:1.2}
.section{padding:78px 0 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:27px}
.section-head h2{font-size:30px;letter-spacing:-1px;line-height:1.3}
.section-head p{color:var(--muted);max-width:650px}
.tag{display:inline-flex;padding:4px 9px;border-radius:7px;background:var(--blue-soft);color:var(--primary);font-size:12px;font-weight:700}
.metrics{display:grid;grid-template-columns:1.15fr .8fr 1fr .75fr;gap:14px}
.metric{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px 24px;box-shadow:var(--shadow-sm)}
.metric strong{display:block;font-size:30px;line-height:1.2;color:var(--primary)}
.metric span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
.layout-main{display:grid;grid-template-columns:1.18fr .82fr;gap:24px;align-items:stretch}
.feature-card,.side-card,.guide-card,.timeline-card,.notice,.form-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.feature-card{overflow:hidden}
.feature-card img{height:285px}
.feature-body{padding:30px}
.feature-body h3{font-size:26px;margin:10px 0}
.feature-body p,.side-card p,.guide-card p,.notice p{color:var(--muted)}
.side-stack{display:grid;gap:14px}
.side-card{padding:23px}
.side-card h3{font-size:18px;margin:9px 0 6px}
.icon-dot{width:36px;height:36px;border-radius:11px;background:var(--blue-soft);color:var(--primary);display:grid;place-items:center;font-weight:800}
.list{list-style:none;display:grid;gap:12px}
.list li{display:flex;gap:13px;padding:14px 0;border-bottom:1px dashed var(--line)}
.list li:last-child{border-bottom:0}
.list b{font-size:15px}
.list small{display:block;color:var(--muted);font-size:12px}
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.guide-card{padding:24px;transition:.25s}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.guide-card h3{margin:12px 0 7px;font-size:19px}
.guide-card .tag{margin-top:14px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.step{padding:25px;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:0}
.step-number{color:var(--primary);font-size:13px;font-weight:800}
.step h3{font-size:18px;margin:8px 0}
.step p{color:var(--muted);font-size:13px}
.split-copy{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;align-items:start}
.copy-panel{padding:4px 0}
.copy-panel h2{font-size:30px;line-height:1.35;margin-bottom:16px}
.copy-panel p{color:var(--muted);margin-bottom:15px}
.notice{padding:27px;background:#eef5ff;border-color:#cfe0fb}
.notice h3{font-size:20px;margin-bottom:12px}
.notice ul{list-style:none;display:grid;gap:12px;margin-top:15px}
.notice li{padding-left:25px;position:relative}
.notice li:before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:800}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.timeline-card{padding:24px}
.timeline-card .date{font-weight:800;color:var(--primary);font-size:13px}
.timeline-card h3{font-size:18px;margin:9px 0}
.timeline-card p{color:var(--muted);font-size:13px}
.faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:28px;align-items:start}
.faq-intro{padding:10px 0}
.faq-intro h2{font-size:30px;line-height:1.3;margin-bottom:14px}
.faq-intro p{color:var(--muted)}
.faq-list{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;text-align:left;background:#fff;color:var(--ink);padding:18px 20px;font-weight:700}
.faq-q:hover{background:#f5f8ff}
.faq-q span:last-child{color:var(--primary);font-size:22px;line-height:1}
.faq-a{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q{color:var(--primary)}
.cta{margin:78px 0;background:var(--primary);border-radius:24px;padding:40px;color:#fff;display:grid;grid-template-columns:1fr .95fr;gap:36px;align-items:center}
.cta h2{font-size:32px;line-height:1.35;margin-bottom:12px}
.cta p{color:#dbe6ff}
.form-box{padding:24px;background:#fff}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field{display:grid;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:700}
.field input,.field textarea,.field select{border:1px solid var(--line);border-radius:10px;padding:11px 13px;background:#f8faff;color:var(--ink);outline:0;transition:.2s}
.field textarea{min-height:82px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,87,214,.1);background:#fff}
.form-note{font-size:12px;color:#8491a4;margin-top:10px}
.form-status{font-size:13px;color:var(--green);margin-top:9px;display:none}
footer{margin-top:30px;background:#eaf1fa;border-top:1px solid var(--line);padding:50px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footer-grid h3{font-size:22px;margin-bottom:10px}
.footer-grid h4{font-size:15px;margin-bottom:12px}
.footer-grid p,.footer-grid a{display:block;color:var(--muted);font-size:13px;margin:7px 0}
.footer-grid a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid #d4e0ef;margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#7c899d;font-size:12px}
.footer-bottom a{margin-left:18px;color:var(--primary)}
@media(max-width:1100px){.channels{gap:12px}.nav{gap:18px}.search{width:145px}.channels a{font-size:13px}}
@media(max-width:900px){.menu-btn{display:block}.channels{display:none;position:absolute;left:24px;right:24px;top:70px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:15px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}.channels.open{display:flex}.nav-actions{margin-left:auto}.metrics{grid-template-columns:repeat(2,1fr)}.layout-main,.split-copy,.faq-wrap,.cta{grid-template-columns:1fr}.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:600px){.container{width:min(var(--max),calc(100% - 30px))}.nav{min-height:68px}.brand{font-size:19px}.nav-link{display:none}.nav-actions .btn{padding:10px 12px;font-size:13px}.search{display:none}.hero{padding-top:18px}.hero-banner{min-height:470px;align-items:flex-start}.hero-content{width:100%;padding:32px 24px}.hero-banner:after{background:linear-gradient(180deg,rgba(246,249,253,.98) 0%,rgba(246,249,253,.87) 55%,rgba(246,249,253,.2) 100%)}h1{font-size:38px}.hero-points{gap:16px;flex-wrap:wrap}.section{padding-top:55px}.section-head{display:block}.section-head h2{font-size:26px;margin-bottom:9px}.metrics,.guide-grid,.timeline,.steps,.form-grid{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.field.full{grid-column:auto}.feature-card img{height:215px}.feature-body{padding:23px}.cta{padding:27px 21px;margin-top:55px}.cta h2{font-size:26px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}.footer-bottom a{margin:0 16px 0 0}}

/* roulang page: category3 */
:root{
      --primary:#2457d6;
      --primary-dark:#173da8;
      --blue-soft:#eaf2ff;
      --cyan:#5fafc4;
      --ink:#172743;
      --muted:#66748c;
      --line:#dce5f2;
      --bg:#f6f9fd;
      --white:#fff;
      --orange:#f28b55;
      --green:#2b9b78;
      --shadow:0 18px 48px rgba(39,75,135,.10);
      --shadow-sm:0 8px 24px rgba(39,75,135,.08);
      --radius:20px;
      --max:1220px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;max-width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .nav{height:76px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:22px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 7px 16px rgba(36,87,214,.24)}
    .channels{display:flex;align-items:center;gap:22px;flex:1}
    .channels a{font-size:14px;color:#56657d;white-space:nowrap;padding:8px 0;position:relative}
    .channels a:hover,.channels a.active{color:var(--primary)}
    .channels a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;border-radius:4px;background:var(--primary)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search{width:174px;background:#f5f8fc;border:1px solid var(--line);border-radius:12px;padding:10px 13px;color:var(--ink);transition:.25s}
    .search::placeholder{color:#9aa8bb}
    .search:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,87,214,.09);background:#fff;outline:0}
    .nav-link{padding:9px 8px;color:var(--muted);white-space:nowrap}
    .menu-btn{display:none;background:var(--blue-soft);color:var(--primary);padding:9px 12px;border-radius:10px}
    .btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:700;transition:.25s;white-space:nowrap}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 9px 19px rgba(36,87,214,.2)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
    .btn-secondary{background:#fff;color:var(--primary);border:1px solid #cbdaf3}
    .btn-secondary:hover{background:var(--blue-soft);border-color:var(--primary)}
    .btn:focus-visible,.nav a:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(36,87,214,.25);outline-offset:3px}
    .hero{padding:34px 0 24px}
    .hero-banner{min-height:330px;border-radius:26px;overflow:hidden;position:relative;background:#dcecff url('/assets/images/backpic/back-2.webp') center/cover no-repeat;display:flex;align-items:center}
    .hero-banner:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,249,253,.98) 0%,rgba(246,249,253,.91) 48%,rgba(246,249,253,.2) 100%)}
    .hero-content{position:relative;z-index:1;width:63%;padding:42px 52px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:700;margin-bottom:12px}
    .eyebrow i{width:8px;height:8px;background:var(--orange);border-radius:50%;display:inline-block}
    h1{font-size:clamp(34px,5vw,57px);line-height:1.16;letter-spacing:-2px;margin-bottom:17px}
    h2{font-size:30px;line-height:1.3;letter-spacing:-1px}
    h3{line-height:1.4}
    .hero-copy{font-size:16px;color:#53647e;max-width:650px;margin-bottom:23px}
    .hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
    .hero-points{display:flex;gap:28px;margin-top:25px;color:#596a83;font-size:13px}
    .hero-points strong{display:block;color:var(--ink);font-size:21px;line-height:1.2}
    .crumb{font-size:13px;color:var(--muted);margin:3px 0 18px}
    .crumb a{color:var(--primary)}
    .section{padding:72px 0 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:27px}
    .section-head p{color:var(--muted);max-width:650px}
    .section-kicker{color:var(--primary);font-weight:800;font-size:13px;letter-spacing:1px;margin-bottom:6px}
    .stats{display:grid;grid-template-columns:1.2fr .9fr 1fr .9fr;gap:14px}
    .stat{background:#fff;border:1px solid var(--line);border-radius:17px;padding:22px;box-shadow:var(--shadow-sm)}
    .stat strong{font-size:31px;line-height:1;color:var(--primary);display:block;margin-bottom:8px}
    .stat span{color:var(--muted);font-size:13px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px 25px;box-shadow:var(--shadow-sm)}
    .step{position:relative;padding:8px 24px 10px 20px;border-top:3px solid #d9e5f8}
    .step:not(:last-child):after{content:"›";position:absolute;right:-4px;top:25px;color:#a5bce8;font-size:28px}
    .step:first-child{border-color:var(--primary)}
    .step-number{width:30px;height:30px;border-radius:50%;background:var(--blue-soft);color:var(--primary);display:grid;place-items:center;font-weight:800;margin-bottom:13px}
    .step h3{font-size:18px;margin-bottom:7px}
    .step p{font-size:13px;color:var(--muted)}
    .entry-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:stretch}
    .entry-image{border-radius:var(--radius);overflow:hidden;min-height:395px;position:relative}
    .entry-image img{height:100%;min-height:395px}
    .image-note{position:absolute;left:22px;bottom:20px;background:#fff;padding:13px 16px;border-radius:12px;box-shadow:var(--shadow-sm);font-size:13px}
    .entry-copy,.notice,.guide-card,.faq-wrap,.cta-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .entry-copy{padding:35px}
    .entry-copy h3{font-size:26px;margin:9px 0 13px}
    .entry-copy p,.notice p{color:var(--muted);margin-bottom:15px}
    .checklist{list-style:none;display:grid;gap:12px;margin-top:22px}
    .checklist li{padding-left:28px;position:relative;color:#43536d}
    .checklist li:before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:800}
    .guide-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .guide-card{padding:27px}
    .guide-card h3{font-size:20px;margin-bottom:10px}
    .guide-card p{color:var(--muted);font-size:14px}
    .guide-card ol{padding-left:21px;color:#50617a;display:grid;gap:8px;margin-top:14px}
    .guide-card.featured{background:#edf5ff;border-color:#c8dbfa}
    .tag{display:inline-flex;padding:4px 9px;border-radius:7px;background:var(--blue-soft);color:var(--primary);font-size:12px;font-weight:700}
    .status-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:17px}
    .notice{padding:27px;display:grid;grid-template-columns:70px 1fr;gap:20px;align-items:center}
    .notice-icon{width:62px;height:62px;border-radius:18px;background:#fff1e9;color:var(--orange);display:grid;place-items:center;font-weight:900;font-size:25px}
    .notice h3{font-size:21px;margin-bottom:5px}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}
    .compare-card.highlight{border-color:#9ab8f4;box-shadow:var(--shadow)}
    .compare-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
    .compare-title h3{font-size:21px}
    .compare-list{list-style:none;color:var(--muted);font-size:14px;display:grid;gap:11px}
    .compare-list li{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding-bottom:8px}
    .compare-list b{color:var(--ink)}
    .faq-wrap{padding:10px 25px}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item:last-child{border-bottom:0}
    .faq-question{width:100%;background:transparent;text-align:left;padding:20px 4px;color:var(--ink);font-weight:700;display:flex;justify-content:space-between;align-items:center}
    .faq-question span:last-child{font-size:24px;color:var(--primary);font-weight:400;transition:.25s}
    .faq-answer{max-height:0;overflow:hidden;color:var(--muted);transition:max-height .3s ease;padding:0 35px 0 4px}
    .faq-item.open .faq-answer{max-height:180px;padding-bottom:20px}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-box{padding:34px;display:flex;justify-content:space-between;align-items:center;gap:25px;background:#eef5ff}
    .cta-box p{color:var(--muted);margin-top:7px}
    .footer{margin-top:90px;background:#edf3fb;border-top:1px solid var(--line)}
    footer .container{padding:48px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    footer h3{font-size:22px;margin-bottom:10px}
    footer h4{font-size:15px;margin-bottom:12px}
    footer p,footer a{display:block;color:var(--muted);font-size:13px}
    footer a{margin:7px 0;transition:.2s}
    footer a:hover{color:var(--primary);transform:translateX(2px)}
    .footer-bottom{border-top:1px solid var(--line);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#738198;font-size:12px}
    .footer-bottom span:last-child{display:flex;gap:16px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    label{font-size:13px;font-weight:700}
    input,textarea{width:100%;border:1px solid var(--line);border-radius:11px;background:#f9fbfe;padding:12px 14px;color:var(--ink);outline:0;transition:.2s}
    textarea{min-height:110px;resize:vertical}
    input:focus,textarea:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,87,214,.09)}
    input.error,textarea.error{border-color:#d95c61;background:#fff8f8}
    .form-note{font-size:12px;color:var(--muted);margin-top:10px}
    .submit-state{font-size:13px;color:var(--green);margin-top:10px;min-height:22px}
    @media(max-width:1100px){
      .nav{gap:18px}.channels{gap:13px}.search{width:140px}
      .hero-content{width:72%}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 30px))}
      .nav{height:68px;flex-wrap:wrap;position:relative}.brand{font-size:20px}.menu-btn{display:block;margin-left:auto}
      .channels{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:15px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;gap:4px}
      .channels.open{display:flex}.channels a{width:100%;padding:9px 5px}.nav-actions{margin-left:auto}.nav-actions .search{display:none}.nav-actions .nav-link{font-size:13px}
      .nav-actions .btn{padding:10px 13px;font-size:13px}
      .hero{padding-top:20px}.hero-banner{min-height:440px;align-items:flex-start}.hero-content{width:100%;padding:35px 25px}.hero-banner:after{background:linear-gradient(180deg,rgba(246,249,253,.98) 0%,rgba(246,249,253,.82) 58%,rgba(246,249,253,.2) 100%)}
      h1{font-size:39px}.hero-points{gap:15px;flex-wrap:wrap}
      .section{padding-top:55px}.section-head{display:block}.section-head p{margin-top:10px}
      .stats{grid-template-columns:1fr 1fr;overflow:hidden}.timeline{grid-template-columns:1fr 1fr;gap:18px}.step:not(:last-child):after{display:none}
      .entry-layout,.guide-grid,.compare{grid-template-columns:1fr}.entry-image,.entry-image img{min-height:270px}.notice{grid-template-columns:1fr;padding:22px}
      .cta-box{display:block}.cta-box .btn{margin-top:18px}
      .footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}.footer-bottom span:last-child{display:flex}
    }
    @media(max-width:480px){
      .container{width:calc(100% - 24px)}.nav-actions .nav-link{display:none}.nav-actions .btn{display:none}
      h1{font-size:33px;letter-spacing:-1px}.hero-copy{font-size:15px}.hero-buttons .btn{width:100%}
      .stats{grid-template-columns:1fr}.timeline{grid-template-columns:1fr;padding:20px}.step{border-top:0;border-left:3px solid #d9e5f8;padding:4px 0 4px 18px}.step:first-child{border-left-color:var(--primary)}
      .entry-copy,.guide-card,.compare-card{padding:23px}.footer-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}
      .footer-bottom span:last-child{gap:10px;flex-wrap:wrap}
    }

/* roulang page: category6 */
:root{
 --primary:#2457d6;--primary-dark:#173da8;--blue-soft:#eaf2ff;--cyan:#5fafc4;
 --ink:#172743;--muted:#66748c;--line:#dce5f2;--bg:#f6f9fd;--white:#fff;
 --orange:#f28b55;--shadow:0 18px 48px rgba(39,75,135,.10);
 --shadow-sm:0 8px 24px rgba(39,75,135,.08);--radius:20px;--max:1220px
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none}img{display:block;width:100%;max-width:100%;object-fit:cover}
button,input,textarea{font:inherit}button{border:0;cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav{height:76px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:22px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 7px 16px rgba(36,87,214,.24)}
.channels{display:flex;align-items:center;gap:21px;flex:1}
.channels a{font-size:14px;color:#56657d;white-space:nowrap;padding:8px 0;position:relative}
.channels a:hover,.channels a.active{color:var(--primary)}
.channels a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;border-radius:4px;background:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px}.search{width:174px;background:#f5f8fc;border:1px solid var(--line);border-radius:12px;padding:10px 13px;color:var(--ink);transition:.25s}
.search::placeholder{color:#9aa8bb}.search:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,87,214,.09);background:#fff;outline:0}
.nav-link{padding:9px 8px;color:var(--muted);white-space:nowrap}.menu-btn{display:none;background:var(--blue-soft);color:var(--primary);padding:9px 12px;border-radius:10px}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:700;transition:.25s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 9px 19px rgba(36,87,214,.2)}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-secondary{background:#fff;color:var(--primary);border:1px solid #cbdaf3}.btn-secondary:hover{background:var(--blue-soft);border-color:var(--primary)}
.btn:focus-visible,.nav a:focus-visible,.menu-btn:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(36,87,214,.28);outline-offset:3px}
.hero{padding:58px 0 30px}.crumb{font-size:13px;color:var(--muted);margin-bottom:22px}.crumb a{color:var(--primary)}
.hero-layout{display:grid;grid-template-columns:1.16fr .84fr;gap:55px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:700;margin-bottom:13px}.eyebrow i{width:8px;height:8px;background:var(--orange);border-radius:50%;display:inline-block}
h1{font-size:clamp(36px,5vw,64px);line-height:1.16;letter-spacing:-2px;margin-bottom:20px}
.hero-copy{font-size:17px;color:#53647e;max-width:650px;margin-bottom:26px}.hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
.status-panel{background:#fff;border:1px solid var(--line);border-radius:25px;padding:24px;box-shadow:var(--shadow);position:relative}
.status-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:17px;border-bottom:1px solid var(--line)}.status-head strong{font-size:18px}
.online{font-size:12px;color:#278b70;background:#e7f8f1;padding:5px 10px;border-radius:20px}.online:before{content:"";display:inline-block;width:7px;height:7px;background:#27aa7c;border-radius:50%;margin-right:6px}
.icon-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin-top:18px}.icon-tile{padding:17px 10px;text-align:center;background:#f4f8ff;border-radius:15px;color:var(--primary);font-weight:700;font-size:13px}.icon-tile b{display:block;font-size:22px;margin-bottom:5px}.status-note{font-size:13px;color:var(--muted);margin-top:18px;padding:12px;background:#fff8f3;border-radius:11px}
.section{padding:68px 0 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:26px}.section-head h2{font-size:30px;line-height:1.3;letter-spacing:-1px}.section-head p{color:var(--muted);max-width:650px}
.guide-grid{display:grid;grid-template-columns:280px 1fr;gap:24px}.side-nav,.card,.notice,.step-card,.faq-item,.cta,.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.side-nav{padding:20px;height:max-content;position:sticky;top:100px}.side-nav h3{font-size:17px;margin-bottom:13px}.side-nav a{display:block;padding:11px 12px;color:var(--muted);border-radius:10px;margin:4px 0}.side-nav a:hover,.side-nav a.active{background:var(--blue-soft);color:var(--primary);font-weight:700}
.guide-content{display:grid;gap:18px}.card{padding:27px}.card h3{font-size:21px;margin-bottom:11px}.card p{color:var(--muted);margin-bottom:13px}.tag{display:inline-flex;padding:4px 9px;border-radius:7px;background:var(--blue-soft);color:var(--primary);font-size:12px;font-weight:700;margin-right:6px}
.checklist{list-style:none;display:grid;gap:12px;margin-top:17px}.checklist li{padding:12px 14px 12px 39px;background:#f8fbff;border-radius:12px;position:relative;color:#43536d}.checklist li:before{content:"✓";position:absolute;left:15px;color:var(--primary);font-weight:800}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step-card{padding:22px}.step-no{color:var(--primary);font-size:27px;font-weight:800}.step-card h3{font-size:17px;margin:6px 0}.step-card p{font-size:13px;color:var(--muted)}
.notice{padding:24px 28px;background:#eef5ff;border-color:#cfe0fb}.notice h2{font-size:21px;margin-bottom:8px}.notice p{color:#53647e}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}.risk{padding:23px;border-left:4px solid var(--orange);background:#fff8f3;border-radius:14px}.risk h3{font-size:18px;margin-bottom:6px}.risk p{color:var(--muted);font-size:14px}
.faq-list{display:grid;gap:10px}.faq-item{overflow:hidden}.faq-question{width:100%;padding:19px 22px;background:#fff;color:var(--ink);text-align:left;display:flex;justify-content:space-between;align-items:center;font-weight:700}.faq-question span{font-size:22px;color:var(--primary);transition:.2s}.faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span{transform:rotate(45deg)}
.cta{margin:75px 0;padding:38px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:25px;background:#edf4ff}.cta h2{font-size:27px;margin-bottom:7px}.cta p{color:var(--muted)}
footer{margin-top:80px;background:#eaf1fa;border-top:1px solid var(--line);padding:45px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-grid h3{font-size:21px;margin-bottom:10px}.footer-grid h4{font-size:15px;margin-bottom:12px}.footer-grid p{color:var(--muted);max-width:280px}.footer-grid a{display:block;color:var(--muted);font-size:14px;margin:7px 0}.footer-grid a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid #d5e0ef;margin-top:30px;padding-top:19px;display:flex;justify-content:space-between;gap:15px;color:#7a899e;font-size:12px}.footer-bottom a{display:inline-block;margin-left:15px}
@media(max-width:1100px){.channels{gap:12px}.nav{gap:16px}.search{width:135px}}
@media(max-width:900px){.channels{display:none}.menu-btn{display:block;margin-left:auto}.nav-actions{display:none}.nav.open{flex-wrap:wrap;height:auto;padding:15px 0}.nav.open .channels{display:flex;order:4;flex-basis:100%;overflow:auto;padding-bottom:5px}.nav.open .nav-actions{display:flex;order:5;flex-basis:100%}.hero-layout,.guide-grid{grid-template-columns:1fr}.side-nav{position:static}.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.container{width:min(var(--max),calc(100% - 30px))}.hero{padding-top:34px}.hero-layout{gap:28px}h1{font-size:38px;letter-spacing:-1px}.section{padding-top:48px}.section-head{display:block}.section-head h2{font-size:25px;margin-bottom:9px}.steps,.two-col{grid-template-columns:1fr}.card,.cta{padding:23px}.cta{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}.footer-bottom a{margin:0 14px 0 0}}

/* roulang page: category4 */
:root{
 --primary:#2457d6;--primary-dark:#173da8;--blue-soft:#eaf2ff;--cyan:#5fafc4;
 --ink:#172743;--muted:#66748c;--line:#dce5f2;--bg:#f6f9fd;--white:#fff;
 --orange:#f28b55;--shadow:0 18px 48px rgba(39,75,135,.10);
 --shadow-sm:0 8px 24px rgba(39,75,135,.08);--radius:20px;--max:1220px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;max-width:100%;object-fit:cover}
button,input,textarea,select{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav{height:76px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:22px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 7px 16px rgba(36,87,214,.24)}
.channels{display:flex;align-items:center;gap:21px;flex:1}
.channels a{font-size:14px;color:#56657d;white-space:nowrap;padding:8px 0;position:relative}
.channels a:hover,.channels a.active{color:var(--primary)}
.channels a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;border-radius:4px;background:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.search{width:174px;background:#f5f8fc;border:1px solid var(--line);border-radius:12px;padding:10px 13px;color:var(--ink);transition:.25s}
.search::placeholder{color:#9aa8bb}
.search:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,87,214,.09);background:#fff;outline:0}
.nav-link{padding:9px 8px;color:var(--muted);white-space:nowrap}
.menu-btn{display:none;background:var(--blue-soft);color:var(--primary);padding:9px 12px;border-radius:10px}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:700;transition:.25s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 9px 19px rgba(36,87,214,.2)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-secondary{background:#fff;color:var(--primary);border:1px solid #cbdaf3}
.btn-secondary:hover{background:var(--blue-soft);border-color:var(--primary)}
.btn:focus-visible,.nav-link:focus-visible,.channels a:focus-visible,.footer-grid a:focus-visible{outline:3px solid rgba(36,87,214,.28);outline-offset:3px}
.hero{padding:34px 0 22px}
.hero-banner{min-height:300px;border-radius:26px;overflow:hidden;position:relative;background:#dcecff url('/assets/images/backpic/back-2.webp') center/cover no-repeat;display:flex;align-items:center}
.hero-banner:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,249,253,.98) 0%,rgba(246,249,253,.91) 46%,rgba(246,249,253,.2) 100%)}
.hero-content{position:relative;z-index:1;width:66%;padding:42px 52px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:700;margin-bottom:12px}
.eyebrow i{width:8px;height:8px;background:var(--orange);border-radius:50%;display:inline-block}
h1{font-size:clamp(34px,4vw,56px);letter-spacing:-2px;line-height:1.2;margin-bottom:17px}
.hero-copy{font-size:16px;color:#53647e;max-width:650px;margin-bottom:24px}
.hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
.hero-points{display:flex;gap:28px;margin-top:25px;color:#596a83;font-size:13px}
.hero-points strong{display:block;color:var(--ink);font-size:21px;line-height:1.2}
.section{padding:76px 0 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:27px}
.section-head h2{font-size:30px;letter-spacing:-1px;line-height:1.3}
.section-head p{color:var(--muted);max-width:650px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:28px;align-items:start}
.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:38px 42px;box-shadow:var(--shadow-sm)}
.article h2{font-size:25px;margin:0 0 17px}
.article h3{font-size:19px;margin:30px 0 9px;color:#20375d}
.article p{color:#596a83;margin:0 0 16px}
.article strong{color:var(--ink)}
.article figure{margin:25px 0;border-radius:16px;overflow:hidden}
.article figure img{height:250px}
.article ul{padding-left:21px;color:#596a83;margin:12px 0 20px}
.article li{margin:7px 0}
.sidebar{position:sticky;top:104px;display:grid;gap:16px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow-sm)}
.side-card h3{font-size:18px;margin-bottom:14px}
.side-card p{color:var(--muted);font-size:13px}
.toc{list-style:none;border-left:2px solid #d5e3fb}
.toc li{padding:7px 0 7px 15px;color:var(--muted);font-size:14px}
.toc li:hover,.toc li.active{color:var(--primary);border-left:2px solid var(--primary);margin-left:-2px}
.metric-stack{display:grid;gap:12px;margin-top:15px}
.metric{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-bottom:1px dashed var(--line)}
.metric:last-child{border:0}
.metric b{font-size:22px;color:var(--primary)}
.metric span{color:var(--muted);font-size:13px}
.status{display:inline-flex;padding:4px 9px;border-radius:7px;background:var(--blue-soft);color:var(--primary);font-size:12px;font-weight:700}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.flow-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;min-height:155px;transition:.25s}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.flow-card .num{font-size:26px;font-weight:800;color:#bed1f4}
.flow-card h3{font-size:17px;margin:7px 0}
.flow-card p{font-size:13px;color:var(--muted)}
.index-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
.index-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:24px;min-height:170px}
.index-card.feature{background:#eef5ff;grid-row:span 2}
.index-card img{height:145px;border-radius:12px;margin-bottom:17px}
.index-card h3{font-size:18px;margin:7px 0}
.index-card p{color:var(--muted);font-size:13px}
.index-card .tag{margin-top:15px}
.tag{display:inline-flex;padding:4px 9px;border-radius:7px;background:var(--blue-soft);color:var(--primary);font-size:12px;font-weight:700}
.notice{background:#fff8f3;border:1px solid #f5d7c5;border-radius:16px;padding:21px 24px;color:#785846}
.notice strong{color:#b65d2f}
.faq{display:grid;gap:12px;max-width:850px}
details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px 21px;transition:.2s}
details:hover{border-color:#aac4f2;box-shadow:var(--shadow-sm)}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:15px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--primary);font-size:22px;line-height:1}
details[open] summary:after{content:"−"}
details p{color:var(--muted);padding:13px 28px 0 0}
.cta{margin:82px 0 76px;background:#eaf2ff;border:1px solid #cfe0fb;border-radius:24px;padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-size:29px;margin-bottom:8px}
.cta p{color:var(--muted);max-width:650px}
footer{background:#edf3fa;border-top:1px solid var(--line);padding:48px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
.footer-grid h3{font-size:22px;margin-bottom:12px}
.footer-grid h4{font-size:15px;margin-bottom:12px}
.footer-grid p,.footer-grid a{display:block;color:var(--muted);font-size:13px;margin:7px 0}
.footer-grid a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid var(--line);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#7c8ba0;font-size:12px}
.footer-bottom a{margin-left:18px;color:var(--primary)}
@media(max-width:1024px){
 .nav{gap:17px}.channels{gap:12px}.channels a{font-size:13px}.search{width:140px}
 .layout{grid-template-columns:1fr}.sidebar{position:static;grid-template-columns:1fr 1fr}
 .flow{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(var(--max),calc(100% - 32px))}
 .nav{height:68px;flex-wrap:wrap}.menu-btn{display:block;margin-left:auto}
 .channels{display:none;position:absolute;top:68px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:2px}
 .channels.open{display:flex}.channels a{padding:10px 12px}
 .nav-actions{width:100%;display:none;position:absolute;top:136px;left:16px;right:16px;background:var(--bg);padding:12px;border-radius:12px}
 .nav-actions.open{display:flex}.search{flex:1;width:auto}.nav-link{display:none}
 .hero{padding-top:20px}.hero-banner{min-height:390px;align-items:flex-end}.hero-content{width:100%;padding:30px 25px}
 .hero-banner:after{background:linear-gradient(0deg,rgba(246,249,253,.98),rgba(246,249,253,.34))}
 h1{font-size:38px}.hero-points{gap:17px;flex-wrap:wrap}
 .section{padding-top:54px}.section-head{display:block}.section-head h2{font-size:26px;margin-bottom:8px}
 .article{padding:27px 23px}.article figure img{height:190px}
 .sidebar{grid-template-columns:1fr}.index-grid{grid-template-columns:1fr}.index-card.feature{grid-row:auto}
 .cta{display:block;padding:29px 25px;margin:58px 0}.cta .btn{margin-top:20px}
 .footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:9px}
}
@media(max-width:480px){
 body{font-size:14px}.brand{font-size:20px}.nav-actions.open{flex-wrap:wrap}.nav-actions .btn{width:100%}
 h1{font-size:32px;letter-spacing:-1px}.hero-copy{font-size:15px}.hero-buttons .btn{width:100%}
 .flow{grid-template-columns:1fr}.hero-points strong{font-size:19px}.article h2{font-size:22px}
 .footer-grid{grid-template-columns:1fr}.footer-bottom a{margin-left:0;margin-right:15px}
}

/* roulang page: category5 */
:root{--primary:#2457d6;--primary-dark:#173da8;--blue-soft:#eaf2ff;--cyan:#5fafc4;--ink:#172743;--muted:#66748c;--line:#dce5f2;--bg:#f6f9fd;--white:#fff;--orange:#f28b55;--green:#328b75;--shadow:0 18px 48px rgba(39,75,135,.10);--shadow-sm:0 8px 24px rgba(39,75,135,.08);--radius:20px;--max:1220px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:15px}a{color:inherit;text-decoration:none}img{display:block;width:100%;max-width:100%;object-fit:cover}button,input,textarea,select{font:inherit}button{border:0;cursor:pointer}.container{width:min(var(--max),calc(100% - 48px));margin:auto}
    header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.nav{height:76px;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:22px;white-space:nowrap}.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 7px 16px rgba(36,87,214,.24)}.channels{display:flex;align-items:center;gap:20px;flex:1}.channels a{font-size:14px;color:#56657d;white-space:nowrap;padding:8px 0;position:relative}.channels a:hover,.channels a.active{color:var(--primary)}.channels a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;border-radius:4px;background:var(--primary)}.nav-actions{display:flex;align-items:center;gap:10px}.search{width:174px;background:#f5f8fc;border:1px solid var(--line);border-radius:12px;padding:10px 13px;color:var(--ink);transition:.25s}.search::placeholder{color:#9aa8bb}.search:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,87,214,.09);background:#fff;outline:0}.nav-link{padding:9px 8px;color:var(--muted);white-space:nowrap}.menu-btn{display:none;background:var(--blue-soft);color:var(--primary);padding:9px 12px;border-radius:10px}.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:700;transition:.25s;white-space:nowrap}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 9px 19px rgba(36,87,214,.2)}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}.btn-secondary{background:#fff;color:var(--primary);border:1px solid #cbdaf3}.btn-secondary:hover{background:var(--blue-soft);border-color:var(--primary)}.btn:focus-visible,.nav a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(36,87,214,.27);outline-offset:3px}
    .hero{padding:34px 0 18px}.hero-banner{min-height:370px;border-radius:26px;overflow:hidden;position:relative;background:#dcecff url('/assets/images/backpic/back-2.webp') center/cover no-repeat;display:flex;align-items:center}.hero-banner:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,249,253,.98),rgba(246,249,253,.91) 44%,rgba(246,249,253,.18))}.hero-content{position:relative;z-index:1;width:60%;padding:48px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:700;margin-bottom:12px}.eyebrow i{width:8px;height:8px;background:var(--orange);border-radius:50%;display:inline-block}.hero h1{font-size:clamp(34px,4.3vw,58px);line-height:1.15;letter-spacing:-2px;margin:0 0 18px}.hero-copy{font-size:16px;color:#53647e;max-width:650px;margin-bottom:24px}.hero-buttons{display:flex;gap:12px;flex-wrap:wrap}.hero-points{display:flex;gap:28px;margin-top:28px;color:#596a83;font-size:13px}.hero-points strong{display:block;color:var(--ink);font-size:22px;line-height:1.2}
    .section{padding:72px 0 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:27px}.section-head h2{font-size:30px;letter-spacing:-1px;line-height:1.3;margin:0}.section-head p{color:var(--muted);max-width:650px;margin:0}.tag{display:inline-flex;padding:4px 9px;border-radius:7px;background:var(--blue-soft);color:var(--primary);font-size:12px;font-weight:700}.muted{color:var(--muted)}
    .cover-stage{position:relative;border-radius:24px;overflow:hidden;min-height:480px;box-shadow:var(--shadow)}.cover-stage img{height:480px}.cover-stage:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,40,87,.78),rgba(22,62,132,.18) 68%,rgba(22,62,132,.03))}.cover-copy{position:absolute;z-index:1;left:48px;top:50%;transform:translateY(-50%);max-width:540px;color:#fff}.cover-copy h2{font-size:42px;line-height:1.25;margin:16px 0 12px}.cover-copy p{color:#e2ebfb;font-size:16px}.cover-copy .tag{background:rgba(255,255,255,.18);color:#fff}
    .info-panels{position:absolute;z-index:2;right:32px;bottom:28px;width:280px;display:grid;gap:10px}.info-panel{background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.8);border-radius:15px;padding:15px 18px;box-shadow:var(--shadow-sm)}.info-panel small{color:var(--muted)}.info-panel strong{display:block;font-size:20px;color:var(--primary)}
    .notice{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch}.notice-copy,.status-box,.guide-card,.compare-card,.form-panel,.faq-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.notice-copy{padding:32px}.notice-copy h3{font-size:25px;margin:0 0 12px}.notice-copy p{color:var(--muted);margin:0 0 14px}.status-box{padding:28px;background:#eef5ff}.status-row{display:flex;justify-content:space-between;gap:15px;padding:15px 0;border-bottom:1px dashed #c8d8ef}.status-row:last-child{border:0}.status-row span{color:var(--muted)}.status-row b{color:var(--ink)}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);margin-right:6px}
    .benefit-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}.guide-card{padding:26px;min-height:205px;transition:.25s}.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.guide-card.feature{grid-row:span 2;background:#f0f6ff}.guide-card h3{font-size:20px;margin:14px 0 7px}.guide-card p{color:var(--muted);font-size:14px;margin:0 0 14px}.guide-card .number{font-size:13px;color:var(--primary);font-weight:800}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow-sm)}.step{position:relative;padding:8px 22px 8px 50px;border-right:1px solid var(--line)}.step:last-child{border:0}.step b{position:absolute;left:0;top:8px;width:32px;height:32px;border-radius:50%;background:var(--blue-soft);color:var(--primary);display:grid;place-items:center}.step h3{font-size:17px;margin:0 0 6px}.step p{color:var(--muted);font-size:13px;margin:0}
    .comparison{display:grid;grid-template-columns:1fr 1fr;gap:18px}.compare-card{padding:30px}.compare-card.highlight{border-color:#9ab8f4;box-shadow:var(--shadow)}.compare-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.compare-title h3{font-size:21px;margin:0}.compare-list{list-style:none;padding:0;margin:0;color:var(--muted);font-size:14px;display:grid;gap:12px}.compare-list li{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding-bottom:8px}.compare-list b{color:var(--ink)}.deep-copy{margin-top:20px;color:var(--muted);font-size:15px}.deep-copy p{margin:0 0 15px}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.time-item{border-top:3px solid #c9dbfb;padding:20px 4px 0 0}.time-item b{color:var(--primary);font-size:13px}.time-item h4{margin:5px 0;font-size:18px}.time-item p{color:var(--muted);font-size:13px;margin:0}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:24px}.faq-card{padding:27px}.faq-card h3{font-size:22px;margin:0 0 10px}.faq-card p{color:var(--muted)}details{border-bottom:1px solid var(--line);padding:17px 0}details:last-child{border-bottom:0}summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:15px}summary::-webkit-details-marker{display:none}summary:after{content:"+";color:var(--primary);font-size:21px;line-height:1}details[open] summary:after{content:"−"}details p{color:var(--muted);font-size:14px;margin:10px 0 0}
    .brand-story{display:grid;grid-template-columns:1fr 1.1fr;gap:24px;align-items:stretch}.story-image{border-radius:var(--radius);overflow:hidden;min-height:320px}.story-image img{height:100%}.story-copy{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-sm)}.story-copy h2{margin:0 0 15px;font-size:29px}.story-copy p{color:var(--muted);margin:0 0 14px}.story-points{display:flex;gap:25px;margin-top:22px}.story-points strong{display:block;font-size:24px;color:var(--primary)}.story-points span{font-size:13px;color:var(--muted)}
    .cta{margin:78px 0 0;background:#eaf2ff;border:1px solid #d1e1fa;border-radius:25px;padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:35px}.cta h2{font-size:31px;line-height:1.3;margin:0 0 12px}.cta p{color:var(--muted)}.form-panel{padding:24px;background:#fff;box-shadow:none}.field{margin-bottom:14px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;background:#f9fbfe;color:var(--ink)}.field textarea{min-height:92px;resize:vertical}.field input:focus,.field textarea:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,87,214,.1);background:#fff}.error{color:#c65d55;font-size:12px;display:none}.form-note{font-size:12px;color:var(--muted);margin:12px 0 0}.form-message{color:var(--green);font-size:13px;margin-top:10px;min-height:20px}
    footer{margin-top:85px;background:#edf3fb;border-top:1px solid var(--line);padding:48px 0 22px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px}.footer-grid h3,.footer-grid h4{margin:0 0 13px}.footer-grid h3{font-size:22px}.footer-grid h4{font-size:15px}.footer-grid p,.footer-grid a{display:block;color:var(--muted);font-size:13px}.footer-grid a{margin:7px 0;transition:.2s}.footer-grid a:hover{color:var(--primary);transform:translateX(2px)}.footer-bottom{border-top:1px solid var(--line);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#7d8ba0;font-size:12px}.footer-bottom a{margin-left:18px}
    @media(max-width:1100px){.channels{gap:13px}.channels a{font-size:13px}.nav{gap:18px}.search{width:145px}.benefit-grid{grid-template-columns:1fr 1fr}.guide-card.feature{grid-row:auto;grid-column:span 2}.hero-content{width:68%}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.nav{height:68px;gap:12px;flex-wrap:wrap}.menu-btn{display:block;margin-left:auto}.channels{display:none;position:absolute;top:68px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:3px}.channels.open{display:flex}.channels a{padding:10px 8px}.nav-actions{margin-left:auto}.nav-actions .search,.nav-actions .nav-link{display:none}.nav-actions .btn{padding:10px 13px;font-size:13px}.hero{padding-top:18px}.hero-banner{min-height:470px;align-items:flex-end}.hero-content{width:100%;padding:28px}.hero-banner:after{background:linear-gradient(0deg,rgba(246,249,253,.98),rgba(246,249,253,.72) 65%,rgba(246,249,253,.16))}.hero h1{font-size:39px}.section{padding-top:54px}.section-head{display:block}.section-head p{margin-top:9px}.cover-stage{min-height:540px}.cover-stage img{height:540px}.cover-copy{left:25px;right:25px;top:42%;transform:none}.cover-copy h2{font-size:32px}.info-panels{left:25px;right:25px;bottom:22px;width:auto;grid-template-columns:1fr 1fr}.info-panel{padding:11px 13px}.info-panel strong{font-size:17px}.notice,.brand-story,.faq-layout,.cta{grid-template-columns:1fr}.steps{grid-template-columns:1fr;gap:10px}.step{border-right:0;border-bottom:1px solid var(--line);padding-bottom:18px}.step:last-child{border:0}.comparison{grid-template-columns:1fr}.timeline{grid-template-columns:1fr}.story-image{min-height:240px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}.footer-bottom a{margin:0 14px 0 0}}
    @media(max-width:480px){.brand{font-size:19px}.brand-mark{width:30px;height:30px}.nav-actions .btn{display:none}.hero h1{font-size:32px;letter-spacing:-1px}.hero-content{padding:23px}.hero-points{gap:16px}.hero-points strong{font-size:18px}.benefit-grid{grid-template-columns:1fr}.guide-card.feature{grid-column:auto}.cover-copy h2{font-size:28px}.info-panels{grid-template-columns:1fr}.cover-stage{min-height:625px}.cover-stage img{height:625px}.footer-grid{grid-template-columns:1fr}.cta{padding:24px}.cta h2{font-size:26px}}

/* roulang page: category7 */
:root{--primary:#2457d6;--primary-dark:#173da8;--blue-soft:#eaf2ff;--cyan:#5fafc4;--ink:#172743;--muted:#66748c;--line:#dce5f2;--bg:#f6f9fd;--white:#fff;--orange:#f28b55;--shadow:0 18px 48px rgba(39,75,135,.10);--shadow-sm:0 8px 24px rgba(39,75,135,.08);--radius:20px;--max:1220px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;max-width:100%;object-fit:cover}
button,input,textarea{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav{height:76px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:22px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 7px 16px rgba(36,87,214,.24)}
.channels{display:flex;align-items:center;gap:21px;flex:1}
.channels a{font-size:14px;color:#56657d;white-space:nowrap;padding:8px 0;position:relative}
.channels a:hover,.channels a.active{color:var(--primary)}
.channels a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;border-radius:4px;background:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.search{width:174px;background:#f5f8fc;border:1px solid var(--line);border-radius:12px;padding:10px 13px;color:var(--ink);transition:.25s}
.search::placeholder{color:#9aa8bb}
.search:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,87,214,.09);background:#fff;outline:0}
.nav-link{padding:9px 8px;color:var(--muted);white-space:nowrap}
.menu-btn{display:none;background:var(--blue-soft);color:var(--primary);padding:9px 12px;border-radius:10px}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:700;transition:.25s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 9px 19px rgba(36,87,214,.2)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-secondary{background:#fff;color:var(--primary);border:1px solid #cbdaf3}
.btn-secondary:hover{background:var(--blue-soft);border-color:var(--primary)}
.btn:focus-visible,.channels a:focus-visible,.nav-link:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(36,87,214,.25);outline-offset:3px}
.hero{padding:34px 0 0}
.hero-banner{min-height:330px;border-radius:26px;overflow:hidden;position:relative;background:#dcecff url('/assets/images/backpic/back-2.webp') center/cover no-repeat;display:flex;align-items:center}
.hero-banner:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,249,253,.98),rgba(246,249,253,.88) 47%,rgba(246,249,253,.25))}
.hero-content{position:relative;z-index:1;width:66%;padding:42px 50px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:700;margin-bottom:12px}
.eyebrow i{width:8px;height:8px;background:var(--orange);border-radius:50%;display:inline-block}
h1{font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-2px;margin-bottom:17px}
.hero-copy{font-size:17px;color:#53647e;max-width:650px;margin-bottom:24px}
.hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
.section{padding:78px 0 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}
.section-head h2{font-size:30px;letter-spacing:-1px;line-height:1.3}
.section-head p{color:var(--muted);max-width:630px}
.breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin:20px 0 12px}
.breadcrumb a{color:var(--primary)}
.topic-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:22px}
.topic-card,.side-card,.index-card,.guide-card,.form-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.topic-card{overflow:hidden}
.topic-card img{height:248px}
.topic-content{padding:29px}
.topic-content h3{font-size:25px;margin:9px 0 10px}
.topic-content p,.side-card p,.index-card p,.guide-card p{color:var(--muted)}
.tag{display:inline-flex;padding:4px 10px;border-radius:7px;background:var(--blue-soft);color:var(--primary);font-size:12px;font-weight:700}
.date{font-size:12px;color:#8a98ab;margin-left:10px}
.side-stack{display:grid;gap:14px}
.side-card{padding:22px;display:flex;gap:17px;align-items:flex-start;transition:.25s}
.side-card:hover,.index-card:hover,.guide-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.side-number{min-width:38px;height:38px;border-radius:12px;background:#edf4ff;color:var(--primary);display:grid;place-items:center;font-weight:800}
.side-card h3{font-size:17px;margin-bottom:4px}
.side-card p{font-size:13px;line-height:1.65}
.index-layout{display:grid;grid-template-columns:245px 1fr;gap:20px}
.index-nav{background:#edf4ff;border-radius:18px;padding:12px;height:max-content;position:sticky;top:100px}
.index-nav a{display:block;padding:13px 15px;border-radius:11px;color:#53647e;margin-bottom:4px}
.index-nav a:hover,.index-nav a.active{background:#fff;color:var(--primary);font-weight:700;box-shadow:0 5px 15px rgba(39,75,135,.07)}
.index-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.index-card{padding:23px;transition:.25s}
.index-card h3{font-size:19px;margin:12px 0 7px}
.index-card .status{float:right;color:#3d9b78;font-size:12px}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
.guide-card{padding:25px;transition:.25s}
.guide-card h3{font-size:19px;margin:12px 0 7px}
.guide-card strong{display:block;color:var(--primary);font-size:25px;margin-top:15px}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.compare-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}
.compare-card.highlight{border-color:#9ab8f4;box-shadow:var(--shadow)}
.compare-card h3{font-size:21px;margin-bottom:14px}
.compare-list{list-style:none;color:var(--muted);display:grid;gap:12px}
.compare-list li{display:flex;justify-content:space-between;gap:18px;border-bottom:1px dashed var(--line);padding-bottom:9px}
.compare-list b{color:var(--ink);white-space:nowrap}
.notice{padding:24px 28px;border-radius:17px;background:#f0f7fb;border:1px solid #d5eaf0;color:#53647e}
.notice strong{color:var(--ink)}
.faq-list{display:grid;gap:12px;max-width:930px}
details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:0 21px;transition:.2s}
details:hover{border-color:#a9c1ec}
summary{list-style:none;cursor:pointer;padding:19px 30px 19px 0;font-size:17px;font-weight:700;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:0;top:17px;color:var(--primary);font-size:24px;font-weight:400}
details[open] summary:after{content:"−"}
details p{color:var(--muted);padding:0 0 19px;max-width:820px}
.cta{margin-top:78px;padding:52px;border-radius:24px;background:#eaf2ff;display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center}
.cta h2{font-size:32px;line-height:1.3;margin-bottom:12px}
.cta p{color:var(--muted)}
.form-panel{padding:28px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.field{display:grid;gap:7px}
.field.full{grid-column:1/-1}
label{font-size:13px;font-weight:700;color:#53647e}
input,textarea{width:100%;border:1px solid var(--line);border-radius:11px;background:#f9fbfe;padding:12px 13px;color:var(--ink)}
textarea{min-height:105px;resize:vertical}
input.error,textarea.error{border-color:#db7777;background:#fff8f8}
.privacy{font-size:12px;color:#8491a4;margin-top:12px}
footer{margin-top:90px;background:#edf3fb;border-top:1px solid var(--line);padding:45px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:35px}
footer h3{font-size:22px;margin-bottom:10px}
footer h4{font-size:15px;margin-bottom:12px}
footer p,footer a{display:block;color:var(--muted);font-size:13px;margin:6px 0}
footer a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#7d8ba0;font-size:12px}
.footer-bottom span:last-child{display:flex;gap:16px}
@media(max-width:1100px){.channels{gap:12px}.channels a{font-size:13px}.nav{gap:18px}.search{width:140px}}
@media(max-width:900px){.nav{height:auto;min-height:72px;flex-wrap:wrap;padding:13px 0}.menu-btn{display:block;margin-left:auto}.channels{display:none;order:4;width:100%;overflow:auto;padding:8px 0 5px}.channels.open{display:flex}.nav-actions{margin-left:auto}.hero-content{width:78%}.topic-grid,.cta{grid-template-columns:1fr}.index-layout{grid-template-columns:1fr}.index-nav{position:static;display:flex;overflow:auto;gap:6px}.index-nav a{white-space:nowrap}.guide-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.container{width:min(var(--max),calc(100% - 30px))}.nav-actions{width:100%;order:3}.search{flex:1;width:auto}.nav-link{display:none}.hero{padding-top:18px}.hero-banner{min-height:430px}.hero-content{width:100%;padding:31px 24px;align-self:flex-start}.hero-banner:after{background:linear-gradient(180deg,rgba(246,249,253,.98),rgba(246,249,253,.74))}h1{font-size:39px;letter-spacing:-1px}.section{padding-top:57px}.section-head{display:block}.section-head h2{font-size:26px;margin-bottom:9px}.topic-card img{height:190px}.index-cards,.compare,.guide-grid,.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.cta{padding:28px 22px;margin-top:58px}.cta h2{font-size:27px}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-bottom{display:block;line-height:2}.footer-bottom span:last-child{margin-top:8px;flex-wrap:wrap;gap:11px}}
@media(max-width:400px){.footer-grid{grid-template-columns:1fr}.hero-buttons .btn{width:100%}}