/* roulang page: index */
:root{
      --blue:#1769e8;
      --blue-deep:#104cab;
      --blue-soft:#eaf3ff;
      --cyan:#18b7c9;
      --ink:#11213b;
      --text:#33445e;
      --muted:#6e7f98;
      --line:#dce6f3;
      --white:#fff;
      --canvas:#f6f9fd;
      --warm:#ffb648;
      --green:#19a974;
      --shadow:0 16px 42px rgba(30,76,140,.11);
      --shadow-sm:0 8px 20px rgba(27,69,126,.08);
      --radius:22px;
      --radius-sm:14px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--canvas);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(24,183,201,.42);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.91);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,230,243,.86)}
    .nav-row{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;white-space:nowrap;color:var(--ink);font-size:22px;font-weight:800;letter-spacing:-.8px}
    .brand-mark{width:35px;height:35px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:0 8px 18px rgba(23,105,232,.25);color:#fff;font-size:19px}
    .nav-links{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}
    .nav-links a{padding:9px 10px;border-radius:9px;color:#586a83;font-size:14px;font-weight:650;transition:.22s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--blue-soft)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .command-search{width:155px;height:38px;display:flex;align-items:center;gap:7px;padding:0 10px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--muted);font-size:12px}
    .command-search span{font-size:16px;color:var(--blue)}
    .command-search kbd{margin-left:auto;padding:1px 5px;border:1px solid var(--line);border-radius:4px;background:#f6f9fd;color:#8694a8;font-size:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:14px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(23,105,232,.2)}
    .btn-primary{background:var(--blue);color:#fff}
    .btn-primary:hover{background:var(--blue-deep)}
    .btn-light{background:#fff;color:var(--blue);border-color:#cde0fc}
    .btn-soft{background:var(--blue-soft);color:var(--blue)}
    .menu-toggle{display:none;border:0;background:transparent;font-size:24px;color:var(--ink)}
    .hero{position:relative;overflow:hidden;padding:72px 0 58px;background:#0f4fbb url("/assets/images/backpic/back-1.webp") center/cover no-repeat;color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(98deg,rgba(8,46,112,.93),rgba(18,105,204,.80) 52%,rgba(18,130,190,.55))}
    .hero .container{position:relative}
    .hero-topline{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:38px}
    .hero-brand{font-size:17px;font-weight:800;letter-spacing:1px}
    .group-pill{display:inline-flex;align-items:center;gap:9px;padding:9px 14px;border:1px solid rgba(255,255,255,.25);border-radius:99px;background:rgba(255,255,255,.13);font-size:13px}
    .avatars{display:flex;padding-left:8px}
    .avatar{width:24px;height:24px;margin-left:-8px;border:2px solid #4788de;border-radius:50%;background:#d9eaff;color:#1c60bd;display:grid;place-items:center;font-size:10px;font-weight:800}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:end}
    .hero h1{max-width:690px;margin:0 0 18px;font-size:clamp(35px,5vw,62px);line-height:1.16;letter-spacing:-2px}
    .hero-copy{max-width:700px;margin:0;color:rgba(255,255,255,.9);font-size:17px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:29px}
    .hero .btn-primary{background:#fff;color:var(--blue)}
    .hero .btn-primary:hover{background:#eaf3ff}
    .hero .btn-light{color:#fff;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.45)}
    .hero-mini{display:flex;gap:25px;flex-wrap:wrap;margin-top:34px}
    .hero-mini strong{display:block;font-size:19px;line-height:1.2}
    .hero-mini span{display:block;margin-top:3px;color:rgba(255,255,255,.72);font-size:12px}
    .group-board{padding:22px;border:1px solid rgba(255,255,255,.25);border-radius:20px;background:rgba(5,42,99,.42);box-shadow:0 24px 50px rgba(1,28,74,.25);backdrop-filter:blur(10px)}
    .board-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;font-size:14px;font-weight:700}
    .status-dot{display:inline-block;width:8px;height:8px;margin-right:6px;border-radius:50%;background:#6ff0c3}
    .seat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .seat{padding:13px;border-radius:13px;background:rgba(255,255,255,.12);font-size:13px}
    .seat strong{display:block;font-size:15px}
    .seat small{color:rgba(255,255,255,.7)}
    .seat.ready{background:rgba(100,239,195,.18);border:1px solid rgba(111,240,195,.35)}
    main{overflow:hidden}
    .section{padding:82px 0}
    .section-white{background:#fff}
    .section-tint{background:linear-gradient(180deg,#f6f9fd,#edf5ff)}
    .eyebrow{display:inline-flex;align-items:center;gap:7px;margin-bottom:12px;color:var(--blue);font-size:13px;font-weight:800}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    .section-title{margin:0;color:var(--ink);font-size:clamp(27px,3vw,39px);line-height:1.28;letter-spacing:-1px}
    .section-intro{max-width:740px;margin:14px 0 0;color:var(--muted);font-size:15px}
    .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:32px}
    .rail{display:grid;grid-template-columns:1.15fr .85fr;gap:26px}
    .feature-story{position:relative;min-height:402px;overflow:hidden;border-radius:var(--radius);background:#123d7a}
    .feature-story img{width:100%;height:100%;object-fit:cover;opacity:.8}
    .feature-story:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,30,70,.91),rgba(10,30,70,.02) 68%)}
    .story-copy{position:absolute;z-index:1;left:30px;right:30px;bottom:27px;color:#fff}
    .story-copy h3{margin:10px 0 8px;font-size:28px;line-height:1.25}
    .story-copy p{margin:0;color:rgba(255,255,255,.82);font-size:14px}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:7px;background:rgba(255,255,255,.18);font-size:12px;font-weight:700}
    .rail-list{display:grid;gap:14px}
    .rail-item{display:flex;gap:15px;align-items:center;padding:13px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow-sm);transition:.2s}
    .rail-item:hover{transform:translateX(4px);border-color:#b9d4fb}
    .rail-item img{width:112px;height:86px;object-fit:cover;border-radius:11px}
    .rail-item h3{margin:0 0 4px;color:var(--ink);font-size:16px;line-height:1.4}
    .rail-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}
    .triple{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .benefit{padding:27px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);transition:.25s}
    .benefit:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .benefit-icon{width:48px;height:48px;display:grid;place-items:center;margin-bottom:19px;border-radius:15px;background:var(--blue-soft);color:var(--blue);font-size:24px}
    .benefit h3{margin:0 0 9px;color:var(--ink);font-size:19px}
    .benefit p{margin:0;color:var(--muted);font-size:14px}
    .hot-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:19px}
    .hot-card{position:relative;min-height:310px;overflow:hidden;border-radius:var(--radius);color:#fff;background:#163e79}
    .hot-card img{width:100%;height:100%;object-fit:cover;opacity:.78;transition:transform .5s ease}
    .hot-card:hover img{transform:scale(1.06)}
    .hot-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,27,61,.87),rgba(8,27,61,.04))}
    .hot-card.small{min-height:310px}
    .hot-content{position:absolute;z-index:1;left:22px;right:22px;bottom:20px}
    .hot-content h3{margin:10px 0 7px;font-size:23px;line-height:1.3}
    .hot-card.small h3{font-size:18px}
    .hot-content p{margin:0;color:rgba(255,255,255,.82);font-size:13px;line-height:1.6}
    .topic-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:52px;align-items:center}
    .topic-image{overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow)}
    .topic-image img{width:100%;min-height:400px;object-fit:cover}
    .topic-list{display:grid;gap:11px;margin-top:25px}
    .topic-item{display:flex;gap:15px;align-items:flex-start;padding:15px 16px;border-radius:14px;background:#fff;border:1px solid var(--line)}
    .topic-num{flex:none;width:28px;height:28px;display:grid;place-items:center;border-radius:8px;background:var(--blue-soft);color:var(--blue);font-size:13px;font-weight:800}
    .topic-item strong{display:block;color:var(--ink);font-size:15px}
    .topic-item span{display:block;margin-top:2px;color:var(--muted);font-size:13px}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:42px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:93px 1fr auto;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
    .news-date{color:var(--blue);font-size:13px;font-weight:800}
    .news-date small{display:block;color:var(--muted);font-weight:500}
    .news-item h3{margin:0 0 5px;color:var(--ink);font-size:17px}
    .news-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .more-link{white-space:nowrap;color:var(--blue);font-size:13px;font-weight:750}
    .news-aside{padding:27px;border-radius:var(--radius);background:#123f86;color:#fff}
    .news-aside h3{margin:0 0 14px;font-size:23px}
    .news-aside p{color:rgba(255,255,255,.79);font-size:14px}
    .news-aside ul{padding:0;margin:22px 0;list-style:none}
    .news-aside li{padding:10px 0;border-top:1px solid rgba(255,255,255,.18);font-size:14px}
    .news-aside .btn{background:#fff;color:var(--blue)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:35px}
    .step{position:relative;padding:0 25px 0 0}
    .step:not(:last-child):after{content:"";position:absolute;top:23px;right:10px;width:calc(100% - 68px);height:1px;background:#c2d5ee}
    .step-no{width:47px;height:47px;display:grid;place-items:center;margin-bottom:15px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800}
    .step h3{margin:0 0 7px;color:var(--ink);font-size:17px}
    .step p{margin:0;color:var(--muted);font-size:13px}
    .quote-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote{padding:23px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow-sm)}
    .quote p{margin:0;color:#455873;font-size:14px}
    .quote footer{display:flex;align-items:center;gap:10px;margin-top:17px;color:var(--ink);font-size:13px;font-weight:750}
    .quote-avatar{width:31px;height:31px;display:grid;place-items:center;border-radius:50%;background:#dcecff;color:var(--blue)}
    .brand-story{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
    .brand-story p{margin:0 0 16px;color:#53657d}
    .data-strip{display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;border:1px solid #cce0fc;border-radius:18px;background:#fff}
    .data-cell{padding:24px;border-right:1px solid #dce6f3;text-align:center}
    .data-cell:last-child{border:0}
    .data-cell strong{display:block;color:var(--blue);font-size:27px;line-height:1.2}
    .data-cell span{color:var(--muted);font-size:13px}
    .plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .plan{position:relative;padding:27px;border:1px solid var(--line);border-radius:20px;background:#fff}
    .plan.recommended{border:2px solid var(--blue);box-shadow:var(--shadow)}
    .plan-tag{position:absolute;top:-13px;left:22px;padding:4px 11px;border-radius:99px;background:var(--blue);color:#fff;font-size:12px;font-weight:750}
    .plan h3{margin:0;color:var(--ink);font-size:20px}
    .plan p{min-height:48px;color:var(--muted);font-size:13px}
    .plan ul{padding:0;margin:20px 0;list-style:none}
    .plan li{padding:7px 0;color:#52647c;font-size:13px}
    .plan li:before{content:"✓";margin-right:8px;color:var(--green);font-weight:900}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:58px}
    .faq-list{display:grid;gap:11px}
    .faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}
    .faq-q{display:flex;justify-content:space-between;gap:15px;width:100%;padding:17px 18px;border:0;background:#fff;color:var(--ink);text-align:left;font-weight:750;font-size:15px}
    .faq-q span:last-child{color:var(--blue);font-size:21px;line-height:1}
    .faq-a{display:none;padding:0 18px 18px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q{color:var(--blue)}
    .cta-band{padding:43px 0;background:linear-gradient(110deg,#0f4ead,#1475df);color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta-inner h2{margin:0 0 6px;font-size:31px;line-height:1.3}
    .cta-inner p{margin:0;color:rgba(255,255,255,.8);font-size:14px}
    .cta-inner .btn{background:#fff;color:var(--blue)}
    .safety{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:21px 25px;border-radius:16px;background:#ecf6ff;color:#36516f;font-size:13px}
    .safety strong{color:var(--ink)}
    footer{background:#0d1f3b;color:#afbdd2}
    .footer-main{display:grid;grid-template-columns:1.2fr 2fr;gap:60px;padding:55px 0 35px}
    .footer-brand{color:#fff}
    .footer-brand .brand{color:#fff}
    .footer-brand p{max-width:350px;margin:16px 0 0;font-size:13px;line-height:1.8}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
    .footer-links h3{margin:0 0 13px;color:#fff;font-size:14px}
    .footer-links a{display:block;margin:7px 0;color:#afbdd2;font-size:13px;transition:.2s}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0 86px;border-top:1px solid rgba(255,255,255,.12);font-size:12px}
    .footer-bottom a{color:#d7e5f9}
    .fixed-cta{position:fixed;z-index:45;left:50%;bottom:16px;display:flex;align-items:center;gap:18px;width:min(680px,calc(100% - 30px));padding:10px 11px 10px 19px;border:1px solid rgba(255,255,255,.7);border-radius:16px;background:rgba(255,255,255,.94);box-shadow:0 16px 36px rgba(16,53,103,.22);transform:translateX(-50%);backdrop-filter:blur(12px)}
    .fixed-cta span{flex:1;color:#455873;font-size:13px}
    .fixed-cta strong{color:var(--ink)}
    @media(max-width:1024px){
      .nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:12px}.command-search{display:none}
      .hero-grid,.topic-layout,.brand-story,.faq-layout{grid-template-columns:1fr;gap:32px}
      .group-board{max-width:560px}.hot-grid{grid-template-columns:1.2fr .8fr}.hot-card:last-child{display:none}
      .news-layout{gap:25px}.footer-main{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--max))}.nav-row{height:65px}.menu-toggle{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;top:65px;left:0;right:0;padding:12px 16px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-wrap:wrap;justify-content:flex-start}
      .nav-links.show{display:flex}.nav-links a{font-size:13px}.nav-tools .btn{display:none}
      .hero{padding:46px 0}.hero-topline{margin-bottom:28px}.hero-grid{gap:25px}.hero h1{font-size:40px}.hero-copy{font-size:15px}
      .section{padding:58px 0}.section-head{display:block}.section-head .btn{margin-top:18px}.rail,.news-layout{grid-template-columns:1fr}.triple,.quote-wall,.plan-grid{grid-template-columns:1fr}
      .hot-grid{grid-template-columns:1fr 1fr}.hot-card,.hot-card.small{min-height:270px}.topic-image img{min-height:270px}
      .steps{grid-template-columns:1fr 1fr;gap:25px}.step:not(:last-child):after{display:none}.data-strip{grid-template-columns:1fr 1fr}.data-cell:nth-child(2){border-right:0}.data-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .footer-main{grid-template-columns:1fr}.cta-inner{display:block}.cta-inner .btn{margin-top:19px}.footer-bottom{display:block}.footer-bottom p{margin:5px 0}.news-item{grid-template-columns:70px 1fr}.news-item .more-link{grid-column:2}
    }
    @media(max-width:520px){
      .hero-topline{align-items:flex-start;flex-direction:column}.hero h1{font-size:34px;letter-spacing:-1px}.hero-actions .btn{width:100%}.hero-mini{gap:16px}.seat-grid{grid-template-columns:1fr}.hot-grid{grid-template-columns:1fr}.hot-card:last-child{display:block}.rail-item img{width:88px;height:76px}
      .steps,.data-strip{grid-template-columns:1fr}.data-cell{border-right:0!important;border-bottom:1px solid var(--line)}.data-cell:last-child{border-bottom:0}.footer-links{grid-template-columns:1fr 1fr}.fixed-cta{gap:10px;padding-left:13px}.fixed-cta span{font-size:12px}.fixed-cta .btn{padding:10px 13px;white-space:nowrap}.brand-story{gap:22px}
    }

/* roulang page: category3 */
:root{
 --blue:#1769e8;--blue-deep:#104cab;--blue-soft:#eaf3ff;--cyan:#18b7c9;
 --ink:#11213b;--text:#33445e;--muted:#6e7f98;--line:#dce6f3;
 --white:#fff;--canvas:#f6f9fd;--warm:#ffb648;--green:#19a974;
 --shadow:0 16px 42px rgba(30,76,140,.11);--shadow-sm:0 8px 20px rgba(27,69,126,.08);
 --radius:22px;--radius-sm:14px;--max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--canvas);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.91);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,230,243,.86)}
.nav-row{height:76px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;color:var(--ink);font-size:22px;font-weight:800;letter-spacing:-.8px}
.brand-mark{width:35px;height:35px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:0 8px 18px rgba(23,105,232,.25);color:#fff;font-size:19px}
.nav-links{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}
.nav-links a{padding:9px 10px;border-radius:9px;color:#586a83;font-size:14px;font-weight:650;transition:.22s ease}
.nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--blue-soft)}
.nav-tools{display:flex;align-items:center;gap:10px}
.command-search{width:155px;height:38px;display:flex;align-items:center;gap:7px;padding:0 10px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--muted);font-size:12px}
.command-search span{font-size:16px;color:var(--blue)}
.command-search kbd{margin-left:auto;padding:1px 5px;border:1px solid var(--line);border-radius:4px;background:#f6f9fd;color:#8694a8;font-size:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:14px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(23,105,232,.2)}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(24,183,201,.45);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-deep)}
.btn-light{background:#fff;color:var(--blue);border-color:#cde0fc}
.btn-soft{background:var(--blue-soft);color:var(--blue)}
.menu-toggle{display:none;border:0;background:transparent;font-size:24px;color:var(--ink)}
main{overflow:hidden}
.hero{position:relative;overflow:hidden;min-height:520px;padding:76px 0 64px;background:#102a57 url("/assets/images/backpic/back-3.webp") center/cover no-repeat;color:#fff}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,22,54,.94) 0%,rgba(11,46,99,.84) 52%,rgba(12,66,134,.55) 100%)}
.hero .container{position:relative}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:44px;color:rgba(255,255,255,.72);font-size:13px}
.crumb a:hover{color:#fff}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:50px;align-items:center}
.hero-copy{max-width:690px}
.hero-label,.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.3px}
.hero-label{padding:7px 12px;border:1px solid rgba(255,255,255,.24);border-radius:99px;background:rgba(255,255,255,.12);color:#dbeaff}
.hero-label i{width:7px;height:7px;border-radius:50%;background:var(--warm);box-shadow:0 0 0 4px rgba(255,182,72,.15)}
.hero h1{margin:18px 0;font-size:clamp(38px,5vw,61px);line-height:1.15;letter-spacing:-2px}
.hero-text{margin:0;max-width:655px;color:rgba(255,255,255,.88);font-size:17px;line-height:1.95}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:29px}
.hero .btn-primary{background:#fff;color:var(--blue)}
.hero .btn-primary:hover{background:var(--blue-soft)}
.hero .btn-light{color:#fff;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.42)}
.poster{position:relative;min-height:360px;overflow:hidden;border:1px solid rgba(255,255,255,.25);border-radius:25px;box-shadow:0 26px 60px rgba(3,20,57,.35)}
.poster img{width:100%;height:360px;object-fit:cover}
.poster:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,22,56,.83),transparent 60%)}
.poster-caption{position:absolute;z-index:1;left:24px;right:24px;bottom:22px}
.poster-caption strong{display:block;font-size:23px;color:#fff}
.poster-caption span{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.76)}
.heat-badge{position:absolute;z-index:2;top:18px;right:18px;padding:7px 11px;border-radius:9px;background:rgba(255,182,72,.94);color:#562d00;font-size:12px;font-weight:800}
.section{padding:82px 0}
.section-white{background:#fff}
.section-tint{background:linear-gradient(180deg,#f6f9fd,#edf5ff)}
.section-deep{background:#112d60;color:#fff}
.section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:34px}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
.section-title{margin:0;color:var(--ink);font-size:clamp(28px,3vw,40px);line-height:1.28;letter-spacing:-1px}
.section-deep .section-title{color:#fff}
.section-intro{max-width:760px;margin:13px 0 0;color:var(--muted);font-size:15px}
.section-deep .section-intro{color:#c3d5f3}
.intro-band{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px;align-items:start}
.intro-lead{margin:0;color:var(--ink);font-size:25px;font-weight:760;line-height:1.7;letter-spacing:-.5px}
.rich-copy p{margin:0 0 16px;color:var(--text)}
.rich-copy p:last-child{margin-bottom:0}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.value-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);transition:.25s ease}
.value-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.value-icon{width:46px;height:46px;display:grid;place-items:center;margin-bottom:17px;border-radius:14px;background:var(--blue-soft);color:var(--blue);font-size:23px;font-weight:800}
.value-card:nth-child(2) .value-icon{background:#e7f9f6;color:#159a80}
.value-card:nth-child(3) .value-icon{background:#fff4df;color:#dd8a12}
.value-card h3{margin:0 0 9px;color:var(--ink);font-size:19px}
.value-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
.scene-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:42px;align-items:center}
.scene-image{position:relative;overflow:hidden;min-height:450px;border-radius:var(--radius);box-shadow:var(--shadow)}
.scene-image img{width:100%;height:450px;object-fit:cover}
.scene-note{position:absolute;right:18px;bottom:18px;left:18px;padding:18px;border-radius:15px;background:rgba(255,255,255,.93);backdrop-filter:blur(8px);color:var(--ink);box-shadow:var(--shadow-sm)}
.scene-note strong{display:block;font-size:15px}
.scene-note span{display:block;margin-top:3px;color:var(--muted);font-size:13px}
.scene-list{display:grid;gap:15px}
.scene-item{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:19px 0;border-bottom:1px solid var(--line)}
.scene-item:last-child{border-bottom:0}
.scene-num{width:35px;height:35px;display:grid;place-items:center;border-radius:50%;background:var(--blue-soft);color:var(--blue);font-size:13px;font-weight:850}
.scene-item h3{margin:0 0 5px;color:var(--ink);font-size:18px}
.scene-item p{margin:0;color:var(--muted);font-size:14px}
.flow{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.flow:before{content:"";position:absolute;left:11%;right:11%;top:32px;border-top:1px dashed #78a9f1}
.flow-step{position:relative;z-index:1;padding:0 7px}
.flow-dot{width:65px;height:65px;display:grid;place-items:center;margin-bottom:16px;border:7px solid #e5f0ff;border-radius:50%;background:var(--blue);color:#fff;font-size:20px;font-weight:850}
.flow-step h3{margin:0 0 6px;color:var(--ink);font-size:17px}
.flow-step p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
.promise-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
.promise-card{padding:33px;border-radius:var(--radius);background:#fff;color:var(--text);box-shadow:0 18px 35px rgba(5,21,54,.2)}
.promise-card h3{margin:0 0 13px;color:var(--ink);font-size:25px}
.promise-card p{margin:0;color:var(--muted)}
.check-list{display:grid;gap:12px;margin-top:22px}
.check-list div{display:flex;gap:10px;align-items:flex-start;color:var(--text);font-size:14px}
.check-list b{display:grid;place-items:center;flex:0 0 21px;height:21px;border-radius:50%;background:#e5f8f1;color:var(--green);font-size:12px}
.quote-card{padding:32px;border:1px solid rgba(255,255,255,.17);border-radius:var(--radius);background:rgba(255,255,255,.08)}
.quote-mark{color:#72b7ff;font-size:52px;line-height:.7}
.quote-card p{margin:14px 0 22px;color:#edf5ff;font-size:18px;line-height:1.85}
.quote-person{display:flex;align-items:center;gap:10px;color:#d5e5ff;font-size:13px}
.quote-avatar{width:34px;height:34px;display:inline-grid;place-items:center;border-radius:50%;background:var(--cyan);color:#fff;font-weight:800}
.agreement{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.agreement-card{padding:24px;border:1px solid var(--line);border-radius:17px;background:#fff}
.agreement-card span{display:inline-flex;padding:4px 9px;border-radius:7px;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:800}
.agreement-card h3{margin:12px 0 7px;color:var(--ink);font-size:18px}
.agreement-card p{margin:0;color:var(--muted);font-size:14px}
.faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:52px;align-items:start}
.faq-list{display:grid;gap:11px}
.faq-list details{border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 5px 13px rgba(30,76,140,.04)}
.faq-list summary{position:relative;padding:17px 48px 17px 19px;color:var(--ink);font-weight:760;cursor:pointer;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";position:absolute;right:18px;top:11px;color:var(--blue);font-size:25px;font-weight:400}
.faq-list details[open] summary{color:var(--blue)}
.faq-list details[open] summary:after{content:"−"}
.faq-list p{margin:0;padding:0 19px 18px;color:var(--muted);font-size:14px;line-height:1.85}
.cta-box{position:relative;overflow:hidden;padding:45px 48px;border-radius:var(--radius);background:#1769e8;color:#fff;box-shadow:var(--shadow)}
.cta-box:before,.cta-box:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.17);border-radius:50%}
.cta-box:before{width:260px;height:260px;right:-80px;top:-120px}
.cta-box:after{width:180px;height:180px;left:-50px;bottom:-120px}
.cta-inner{position:relative;display:flex;justify-content:space-between;gap:26px;align-items:center}
.cta-inner h2{margin:0 0 8px;font-size:clamp(26px,3.2vw,38px);line-height:1.25}
.cta-inner p{max-width:720px;margin:0;color:#dceaff}
.cta-box .btn-light{flex:0 0 auto}
.site-footer{background:#0d1e3a;color:#bfcee7}
.footer-main{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:32px;padding:55px 0 32px}
.footer-brand{color:#fff}
.footer-brand .brand{color:#fff;margin-bottom:13px}
.footer-brand p{max-width:400px;margin:0;color:#a9bddb;font-size:14px}
.footer-title{margin:4px 0 12px;color:#fff;font-size:15px}
.footer-links{display:grid;gap:7px}
.footer-links a{font-size:14px;color:#b7c8e2;transition:.2s}
.footer-links a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:19px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#92a9ca}
.footer-bottom a:hover{color:#fff}
.mobile-cta{position:fixed;z-index:45;left:0;right:0;bottom:0;display:none;padding:10px 18px;background:rgba(255,255,255,.95);box-shadow:0 -7px 22px rgba(20,53,104,.12);backdrop-filter:blur(10px)}
.mobile-cta .btn{width:100%}
@media(max-width:1120px){
 .nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:13px}.command-search{display:none}
}
@media(max-width:900px){
 .menu-toggle{display:block;margin-left:auto}.nav-tools .btn{display:none}.nav-row{gap:14px}.nav-links{position:absolute;top:76px;left:0;right:0;display:none;max-height:calc(100vh - 76px);padding:14px 24px 22px;overflow:auto;align-items:stretch;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{padding:11px 13px}
 .hero-grid,.scene-layout,.faq-wrap,.intro-band{grid-template-columns:1fr}.hero{padding-top:54px}.hero-grid{gap:33px}.poster{max-width:570px}.value-grid{grid-template-columns:1fr 1fr}.flow{grid-template-columns:1fr 1fr;gap:28px}.flow:before{display:none}.promise-grid{grid-template-columns:1fr}.footer-main{grid-template-columns:1.2fr 1fr}
}
@media(max-width:600px){
 body{font-size:15px}.container{width:min(100% - 32px,var(--max))}.nav-row{height:68px}.brand{font-size:20px}.site-header .nav-links{top:68px}.hero{min-height:auto;padding:42px 0 50px}.crumb{margin-bottom:28px}.hero h1{font-size:38px;letter-spacing:-1.3px}.hero-text{font-size:15px}.hero-actions .btn{width:100%}.poster,.poster img{min-height:290px;height:290px}.section{padding:58px 0}.section-head{display:block;margin-bottom:25px}.section-intro{font-size:14px}.intro-lead{font-size:21px}.value-grid,.agreement{grid-template-columns:1fr}.value-card{padding:23px}.scene-image,.scene-image img{min-height:330px;height:330px}.flow{grid-template-columns:1fr 1fr;gap:22px}.flow-dot{width:54px;height:54px;border-width:5px;font-size:17px}.flow-step p{font-size:13px}.promise-card,.quote-card{padding:24px}.cta-box{padding:33px 25px}.cta-inner{display:block}.cta-inner .btn{width:100%;margin-top:22px}.footer-main{grid-template-columns:1fr;padding:42px 0 25px;gap:26px}.footer-bottom{padding-bottom:75px}.mobile-cta{display:block}
}

/* roulang page: category1 */
:root{
      --blue:#1769e8;--blue-deep:#104cab;--blue-soft:#eaf3ff;--cyan:#18b7c9;
      --ink:#11213b;--text:#33445e;--muted:#6e7f98;--line:#dce6f3;
      --white:#fff;--canvas:#f6f9fd;--warm:#ffb648;--green:#19a974;
      --red:#e64b57;--shadow:0 16px 42px rgba(30,76,140,.11);
      --shadow-sm:0 8px 20px rgba(27,69,126,.08);--radius:22px;
      --radius-sm:14px;--max:1180px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--canvas);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(24,183,201,.42);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.91);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,230,243,.86)}
    .nav-row{height:76px;display:flex;align-items:center;gap:20px}
    .brand{display:flex;align-items:center;gap:10px;white-space:nowrap;color:var(--ink);font-size:22px;font-weight:800;letter-spacing:-.8px}
    .brand-mark{width:35px;height:35px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:0 8px 18px rgba(23,105,232,.25);color:#fff;font-size:18px}
    .nav-links{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}
    .nav-links a{padding:9px 10px;border-radius:9px;color:#586a83;font-size:14px;font-weight:650;white-space:nowrap;transition:.22s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--blue-soft)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .command-search{width:155px;height:38px;display:flex;align-items:center;gap:7px;padding:0 10px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--muted);font-size:12px}
    .command-search span{font-size:16px;color:var(--blue)}
    .command-search kbd{margin-left:auto;padding:1px 5px;border:1px solid var(--line);border-radius:4px;background:#f6f9fd;color:#8694a8;font-size:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:14px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(23,105,232,.2)}
    .btn:active{transform:translateY(0)}
    .btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-deep)}
    .btn-light{background:#fff;color:var(--blue);border-color:#cde0fc}.btn-soft{background:var(--blue-soft);color:var(--blue)}
    .menu-toggle{display:none;border:0;background:transparent;font-size:24px;color:var(--ink)}
    main{overflow:hidden}
    .section{padding:80px 0}.section-white{background:#fff}.section-tint{background:linear-gradient(180deg,#f6f9fd,#edf5ff)}
    .eyebrow{display:inline-flex;align-items:center;gap:7px;margin-bottom:12px;color:var(--blue);font-size:13px;font-weight:800}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    .section-title{margin:0;color:var(--ink);font-size:clamp(27px,3vw,39px);line-height:1.28;letter-spacing:-1px}
    .section-intro{max-width:760px;margin:14px 0 0;color:var(--muted);font-size:15px}
    .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:32px}
    .inner-hero{position:relative;overflow:hidden;padding:72px 0;background:#104cab url("/assets/images/backpic/back-2.webp") center/cover no-repeat;color:#fff}
    .inner-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(95deg,rgba(8,43,104,.94),rgba(16,91,189,.83),rgba(20,145,198,.52))}
    .inner-hero .container{position:relative}
    .crumb{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.73);font-size:13px}.crumb a:hover{color:#fff}
    .hero-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;margin-top:29px}
    .hero-tag{display:inline-flex;padding:6px 11px;border:1px solid rgba(255,255,255,.28);border-radius:99px;background:rgba(255,255,255,.12);font-size:13px;font-weight:700}
    h1{max-width:700px;margin:14px 0 16px;font-size:clamp(36px,5vw,58px);line-height:1.17;letter-spacing:-2px}
    .hero-copy{max-width:680px;margin:0;color:rgba(255,255,255,.9);font-size:17px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:27px}.inner-hero .btn-primary{background:#fff;color:var(--blue)}.inner-hero .btn-primary:hover{background:var(--blue-soft)}
    .hero-panel{padding:21px;border:1px solid rgba(255,255,255,.25);border-radius:var(--radius);background:rgba(6,43,105,.34);box-shadow:0 18px 40px rgba(6,32,76,.18);backdrop-filter:blur(7px)}
    .hero-panel h2{margin:0 0 12px;font-size:20px}.hero-panel p{margin:0;color:rgba(255,255,255,.8);font-size:13px}
    .quick-form{display:grid;grid-template-columns:1fr auto;gap:9px;margin-top:17px}.quick-form input{min-width:0;padding:12px;border:1px solid rgba(255,255,255,.24);border-radius:10px;background:rgba(255,255,255,.95);color:var(--ink);outline:none}.quick-form input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(24,183,201,.25)}
    .form-note{margin-top:10px!important;font-size:12px!important;color:rgba(255,255,255,.65)!important}
    .rule-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:24px;align-items:stretch}
    .lead-card{padding:34px;border-radius:var(--radius);background:var(--ink);color:#fff;box-shadow:var(--shadow)}
    .lead-card .eyebrow{color:#72dce7}.lead-card h2{margin:0;font-size:30px;line-height:1.35}.lead-card p{color:#ced9ed;font-size:15px}.lead-card ul{padding:0;margin:24px 0 0;list-style:none}.lead-card li{display:flex;gap:10px;padding:9px 0;border-top:1px solid rgba(255,255,255,.13);font-size:14px}.check{color:#72dce7;font-weight:900}
    .steps{display:grid;gap:13px}.step{display:grid;grid-template-columns:54px 1fr;gap:17px;align-items:start;padding:19px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;box-shadow:var(--shadow-sm);transition:.2s}.step:hover{transform:translateX(5px);border-color:#b9d4fb}.step-num{display:grid;place-items:center;width:44px;height:44px;border-radius:13px;background:var(--blue-soft);color:var(--blue);font-size:18px;font-weight:850}.step h3{margin:0 0 4px;color:var(--ink);font-size:17px}.step p{margin:0;color:var(--muted);font-size:14px}
    .split-media{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}.media-wrap{position:relative}.media-wrap img{width:100%;height:430px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.float-note{position:absolute;right:-20px;bottom:24px;width:205px;padding:17px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow-sm)}.float-note strong{display:block;color:var(--blue);font-size:25px}.float-note span{font-size:12px;color:var(--muted)}
    .copy-block p{color:var(--text);margin:0 0 16px}.callout{margin-top:24px;padding:18px 20px;border-left:4px solid var(--cyan);border-radius:0 14px 14px 0;background:#effaff;color:#28526d;font-size:14px}
    .compare-layout{display:grid;grid-template-columns:1fr .72fr;gap:24px}.rank-list{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}.rank-row{display:grid;grid-template-columns:65px 1fr auto;gap:16px;align-items:center;padding:19px 22px;border-bottom:1px solid var(--line)}.rank-row:last-child{border-bottom:0}.rank-row b{color:var(--blue);font-size:14px}.rank-row h3{margin:0;color:var(--ink);font-size:16px}.rank-row p{margin:2px 0 0;color:var(--muted);font-size:13px}.rank-icon{padding:5px 9px;border-radius:8px;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:700}
    .notice-card{padding:30px;border-radius:var(--radius);background:linear-gradient(155deg,#1769e8,#1050b9);color:#fff;box-shadow:var(--shadow)}.notice-card h3{margin:0;font-size:25px}.notice-card p{color:rgba(255,255,255,.84);font-size:14px}.notice-card ol{padding-left:20px;margin:21px 0 0}.notice-card li{padding:7px 0;border-bottom:1px solid rgba(255,255,255,.17);font-size:14px}.notice-card li:last-child{border:0}
    .scene-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:21px}.scene-main{position:relative;min-height:385px;overflow:hidden;border-radius:var(--radius);background:#123d7a;color:#fff}.scene-main img{width:100%;height:100%;object-fit:cover;opacity:.64}.scene-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,30,68,.92),rgba(8,30,68,.03) 70%)}.scene-copy{position:absolute;z-index:1;left:30px;right:30px;bottom:25px}.scene-copy h3{margin:8px 0;font-size:27px}.scene-copy p{margin:0;color:#dceaff;font-size:14px}.scene-stack{display:grid;gap:21px}.scene-card{padding:23px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}.scene-card h3{margin:0 0 8px;color:var(--ink);font-size:18px}.scene-card p{margin:0;color:var(--muted);font-size:14px}.mini-label{display:inline-flex;padding:4px 8px;border-radius:7px;background:#effaff;color:#198196;font-size:12px;font-weight:750}
    .agreement{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.agree-item{padding:22px 18px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:.2s}.agree-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c6dbfa}.agree-icon{display:grid;place-items:center;width:42px;height:42px;margin-bottom:14px;border-radius:13px;background:var(--blue-soft);color:var(--blue);font-size:19px;font-weight:800}.agree-item h3{margin:0 0 6px;color:var(--ink);font-size:16px}.agree-item p{margin:0;color:var(--muted);font-size:13px}
    .quote-band{padding:42px;border-radius:var(--radius);background:#eaf3ff;display:grid;grid-template-columns:auto 1fr;gap:19px;align-items:start}.quote-avatar{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800}.quote-band blockquote{margin:0;color:var(--ink);font-size:20px;line-height:1.65}.quote-band cite{display:block;margin-top:11px;color:var(--muted);font-size:13px;font-style:normal}
    .faq-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:50px;align-items:start}.faq-note{padding:25px;border-radius:var(--radius);background:var(--ink);color:#fff}.faq-note p{color:#cbd8ed;font-size:14px}.faq-list{display:grid;gap:11px}.faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden;transition:.2s}.faq-item:hover{border-color:#b9d4fb}.faq-question{width:100%;display:flex;justify-content:space-between;gap:15px;padding:18px 20px;border:0;background:#fff;color:var(--ink);text-align:left;font-weight:800;font-size:16px}.faq-question span{color:var(--blue);font-size:21px;line-height:1}.faq-answer{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span{transform:rotate(45deg)}
    .cta{padding:70px 0;background:#0f4fbb url("/assets/images/backpic/back-3.webp") center/cover no-repeat;position:relative;color:#fff}.cta:before{content:"";position:absolute;inset:0;background:rgba(8,52,128,.84)}.cta .container{position:relative}.cta-row{display:flex;justify-content:space-between;align-items:center;gap:35px}.cta h2{max-width:700px;margin:0;font-size:clamp(28px,3vw,41px);line-height:1.3}.cta p{margin:13px 0 0;color:rgba(255,255,255,.83)}.cta .btn-primary{background:#fff;color:var(--blue)}
    footer{background:#0d1d35;color:#bdcbe0;padding:48px 0 88px;font-size:13px}footer .quote-avatar{display:inline-grid;width:30px;height:30px;margin-right:8px;vertical-align:middle;background:var(--cyan);font-size:12px}.footer-grid{display:grid;grid-template-columns:1.35fr .65fr .8fr;gap:35px;padding-bottom:29px;border-bottom:1px solid rgba(198,215,238,.16)}.footer-brand{color:#fff;font-size:21px;font-weight:800}.footer-desc{max-width:400px;margin:10px 0 0;color:#9eb0ca}.footer-title{margin:0 0 10px;color:#fff;font-size:14px}.footer-links{display:grid;gap:7px}.footer-links a:hover{color:#fff}.filing{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:20px;color:#8ea1bd}.filing a:hover{color:#fff}
    .bottom-bar{position:fixed;z-index:40;left:0;right:0;bottom:0;padding:10px 0;border-top:1px solid #c9ddfb;background:rgba(255,255,255,.94);box-shadow:0 -8px 25px rgba(23,64,122,.10);backdrop-filter:blur(12px)}.bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}.bottom-inner p{margin:0;color:var(--text);font-size:13px}.bottom-inner strong{color:var(--blue)}
    @media(max-width:1080px){.nav-links{justify-content:flex-start;overflow:auto}.nav-tools .command-search{display:none}.nav-row{gap:13px}.nav-links a{font-size:13px;padding:8px}.hero-layout{gap:27px}.agreement{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 32px,var(--max))}.nav-row{height:66px}.menu-toggle{display:block;margin-left:auto}.nav-tools{display:none}.nav-links{display:none;position:absolute;top:66px;left:0;right:0;padding:12px 16px 18px;border-bottom:1px solid var(--line);background:#fff;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:10px 12px}.inner-hero{padding:47px 0 54px}.hero-layout,.rule-grid,.split-media,.compare-layout,.scene-grid,.faq-layout{grid-template-columns:1fr;gap:28px}.hero-panel{max-width:520px}.section{padding:59px 0}.section-head{display:block}.section-intro{margin-bottom:25px}.media-wrap img{height:330px}.float-note{right:12px;bottom:14px}.scene-main{min-height:340px}.cta-row{display:block}.cta .btn{margin-top:23px}.footer-grid{grid-template-columns:1fr 1fr}.bottom-inner p{display:none}}
    @media(max-width:520px){body{font-size:15px}.brand{font-size:20px}.brand-mark{width:32px;height:32px}.section-title{font-size:27px}.hero-copy{font-size:15px}.quick-form{grid-template-columns:1fr}.quick-form .btn{width:100%}.lead-card{padding:25px}.step{grid-template-columns:45px 1fr;padding:16px}.rank-row{grid-template-columns:48px 1fr;padding:16px}.rank-icon{display:none}.agreement{grid-template-columns:1fr}.quote-band{padding:25px;grid-template-columns:1fr}.quote-band blockquote{font-size:18px}.footer-grid{grid-template-columns:1fr}.filing{display:block}.filing span,.filing a{display:block;margin:7px 0}.bottom-inner{justify-content:center}.bottom-inner .btn{width:100%}}

/* roulang page: category2 */
:root{
 --blue:#1769e8;
 --blue-deep:#104cab;
 --blue-soft:#eaf3ff;
 --cyan:#18b7c9;
 --ink:#11213b;
 --text:#33445e;
 --muted:#6e7f98;
 --line:#dce6f3;
 --white:#fff;
 --canvas:#f6f9fd;
 --warm:#ffb648;
 --green:#19a974;
 --red:#ef6262;
 --shadow:0 16px 42px rgba(30,76,140,.11);
 --shadow-sm:0 8px 20px rgba(27,69,126,.08);
 --radius:22px;
 --radius-sm:14px;
 --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--canvas);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible{outline:3px solid rgba(24,183,201,.42);outline-offset:3px}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.91);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,230,243,.86)}
.nav-row{height:76px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;color:var(--ink);font-size:22px;font-weight:800;letter-spacing:-.8px}
.brand-mark{width:35px;height:35px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:0 8px 18px rgba(23,105,232,.25);color:#fff;font-size:19px}
.nav-links{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}
.nav-links a{padding:9px 10px;border-radius:9px;color:#586a83;font-size:14px;font-weight:650;white-space:nowrap;transition:.22s ease}
.nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--blue-soft)}
.nav-tools{display:flex;align-items:center;gap:10px}
.command-search{width:155px;height:38px;display:flex;align-items:center;gap:7px;padding:0 10px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--muted);font-size:12px}
.command-search span{font-size:16px;color:var(--blue)}
.command-search kbd{margin-left:auto;padding:1px 5px;border:1px solid var(--line);border-radius:4px;background:#f6f9fd;color:#8694a8;font-size:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:14px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(23,105,232,.2)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-deep)}
.btn-light{background:#fff;color:var(--blue);border-color:#cde0fc}
.btn-light:hover{border-color:var(--blue)}
.btn-soft{background:var(--blue-soft);color:var(--blue)}
.menu-toggle{display:none;border:0;background:transparent;font-size:24px;color:var(--ink)}
main{overflow:hidden}
.hero{position:relative;overflow:hidden;padding:64px 0 58px;background:#0f4fbb url("/assets/images/backpic/back-2.webp") center/cover no-repeat;color:#fff}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,46,112,.94),rgba(18,105,204,.84) 54%,rgba(18,130,190,.58))}
.hero .container{position:relative}
.hero-topline{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:26px}
.hero-brand{font-size:17px;font-weight:800;letter-spacing:1px}
.group-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 13px;border:1px solid rgba(255,255,255,.26);border-radius:99px;background:rgba(255,255,255,.13);font-size:13px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:45px;align-items:center}
.hero h1{max-width:690px;margin:0 0 18px;font-size:clamp(35px,5vw,59px);line-height:1.18;letter-spacing:-2px}
.hero-copy{max-width:660px;margin:0;color:rgba(255,255,255,.9);font-size:17px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero .btn-primary{background:#fff;color:var(--blue)}
.hero .btn-primary:hover{background:#eaf3ff}
.hero .btn-light{color:#fff;background:rgba(255,255,255,.11);border-color:rgba(255,255,255,.43)}
.hero-mini{display:flex;gap:24px;flex-wrap:wrap;margin-top:31px}
.hero-mini strong{display:block;font-size:18px;line-height:1.2}
.hero-mini span{display:block;margin-top:4px;color:rgba(255,255,255,.72);font-size:12px}
.compare-panel{padding:18px;border:1px solid rgba(255,255,255,.26);border-radius:var(--radius);background:rgba(255,255,255,.13);box-shadow:0 20px 45px rgba(4,38,96,.24);backdrop-filter:blur(12px)}
.compare-panel h2{margin:0 0 12px;font-size:18px;line-height:1.4}
.compare-choice{display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:11px;padding:12px;border-top:1px solid rgba(255,255,255,.17)}
.compare-choice:first-of-type{border-top:0}
.compare-num{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:rgba(255,255,255,.17);font-weight:800}
.compare-choice strong{display:block;font-size:15px}
.compare-choice span{display:block;color:rgba(255,255,255,.74);font-size:12px}
.rank-dot{width:10px;height:10px;border-radius:50%;background:#aeeef5;box-shadow:0 0 0 5px rgba(174,238,245,.16)}
.section{padding:80px 0}
.section-white{background:#fff}
.section-tint{background:linear-gradient(180deg,#f6f9fd,#edf5ff)}
.eyebrow{display:inline-flex;align-items:center;gap:7px;margin-bottom:12px;color:var(--blue);font-size:13px;font-weight:800}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
.section-title{margin:0;color:var(--ink);font-size:clamp(27px,3vw,39px);line-height:1.28;letter-spacing:-1px}
.section-intro{max-width:770px;margin:14px 0 0;color:var(--muted);font-size:15px}
.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:31px}
.rank-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:28px;align-items:stretch}
.rank-story{position:relative;min-height:545px;overflow:hidden;border-radius:var(--radius);background:#123d7a;color:#fff;box-shadow:var(--shadow)}
.rank-story img{width:100%;height:100%;object-fit:cover;opacity:.78}
.rank-story:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,35,80,.93),rgba(9,35,80,.08) 70%)}
.rank-story-content{position:absolute;z-index:1;right:28px;bottom:26px;left:28px}
.rank-story-content h3{margin:12px 0 8px;font-size:28px;line-height:1.3}
.rank-story-content p{margin:0;color:rgba(255,255,255,.85);font-size:14px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:7px;background:rgba(255,255,255,.18);font-size:12px;font-weight:700}
.rank-stack{display:grid;gap:11px}
.rank-item{display:grid;grid-template-columns:51px 1fr auto;gap:15px;align-items:center;padding:15px 17px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow-sm);transition:.22s ease}
.rank-item:hover{transform:translateX(5px);border-color:#b7d4fd;box-shadow:var(--shadow)}
.rank-item.featured{border:2px solid #76adfa;background:linear-gradient(90deg,#f4f9ff,#fff)}
.rank-index{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:var(--blue-soft);color:var(--blue);font-weight:850;font-size:17px}
.rank-item.featured .rank-index{background:var(--blue);color:#fff}
.rank-item h3{margin:0;color:var(--ink);font-size:17px;line-height:1.35}
.rank-item p{margin:3px 0 0;color:var(--muted);font-size:13px;line-height:1.55}
.rank-label{padding:5px 9px;border-radius:99px;background:#f2f6fc;color:#5e718d;font-size:12px;font-weight:700;white-space:nowrap}
.note-strip{display:flex;gap:14px;align-items:flex-start;margin-top:21px;padding:15px 17px;border:1px solid #cde1fc;border-radius:15px;background:#f1f7ff;color:#527095;font-size:14px}
.note-icon{flex:0 0 auto;display:grid;place-items:center;width:27px;height:27px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800}
.split-content{display:grid;grid-template-columns:1fr .92fr;gap:65px;align-items:center}
.content-copy p{margin:0 0 17px;color:var(--text)}
.content-copy p:last-child{margin-bottom:0}
.check-list{display:grid;gap:13px;margin:26px 0 0;padding:0;list-style:none}
.check-list li{position:relative;padding:12px 12px 12px 46px;border-radius:13px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);font-size:14px}
.check-list li:before{content:"✓";position:absolute;left:14px;top:11px;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#dff7ef;color:var(--green);font-size:13px;font-weight:900}
.image-frame{position:relative;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow)}
.image-frame img{width:100%;min-height:425px;object-fit:cover}
.image-bubble{position:absolute;right:18px;bottom:18px;left:18px;padding:17px;border-radius:16px;background:rgba(255,255,255,.94);box-shadow:0 8px 28px rgba(11,53,114,.16)}
.image-bubble strong{display:block;color:var(--ink);font-size:16px}
.image-bubble span{display:block;margin-top:3px;color:var(--muted);font-size:13px}
.rule-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:20px}
.rule-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}
.rule-card h3{margin:0 0 11px;color:var(--ink);font-size:22px}
.rule-card p{margin:0;color:var(--muted);font-size:14px}
.compare-lines{display:grid;gap:0;margin-top:21px}
.compare-line{display:grid;grid-template-columns:30px 1fr;gap:12px;padding:13px 0;border-top:1px solid var(--line)}
.compare-line b{display:grid;place-items:center;width:25px;height:25px;border-radius:8px;background:var(--blue-soft);color:var(--blue);font-size:12px}
.compare-line strong{display:block;color:var(--ink);font-size:14px}
.compare-line span{display:block;margin-top:2px;color:var(--muted);font-size:13px;line-height:1.6}
.case-panel{padding:28px;border-radius:var(--radius);background:#103f89;color:#fff;box-shadow:var(--shadow)}
.case-panel .eyebrow{color:#aeeef5}
.case-panel .eyebrow:before{background:#aeeef5}
.case-panel h2{margin:0;font-size:30px;line-height:1.35}
.case-panel>p{margin:13px 0 0;color:rgba(255,255,255,.8);font-size:14px}
.case-list{display:grid;gap:11px;margin-top:23px}
.case-list div{padding:13px 14px;border-radius:12px;background:rgba(255,255,255,.1);font-size:14px}
.case-list b{display:block;margin-bottom:2px;color:#fff}
.case-list span{color:rgba(255,255,255,.73);font-size:13px}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.process-step{position:relative;padding:24px 20px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow-sm)}
.process-no{display:grid;place-items:center;width:35px;height:35px;margin-bottom:18px;border-radius:11px;background:var(--blue);color:#fff;font-size:13px;font-weight:850}
.process-step h3{margin:0 0 8px;color:var(--ink);font-size:17px}
.process-step p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
.people-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.quote-card{padding:31px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.quote-mark{color:var(--cyan);font-size:42px;line-height:.8;font-family:Georgia,serif}
.quote-card blockquote{margin:14px 0 24px;color:var(--ink);font-size:19px;line-height:1.8}
.quote-person{display:flex;align-items:center;gap:11px}
.quote-avatar{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-size:14px;font-weight:800}
.quote-person strong{display:block;color:var(--ink);font-size:14px}
.quote-person span{display:block;color:var(--muted);font-size:12px}
.pact-card{padding:31px;border-radius:var(--radius);background:linear-gradient(135deg,#e9f3ff,#f9fcff);border:1px solid #cce0fa}
.pact-card h3{margin:0;color:var(--ink);font-size:25px;line-height:1.4}
.pact-card p{margin:12px 0 17px;color:#58708d;font-size:14px}
.pact-list{display:grid;gap:9px;padding:0;margin:0;list-style:none}
.pact-list li{padding:10px 0 10px 29px;border-bottom:1px solid rgba(126,166,216,.28);position:relative;font-size:14px}
.pact-list li:before{content:"•";position:absolute;left:10px;color:var(--blue);font-weight:900}
.accordion{display:grid;gap:11px}
.faq-item{overflow:hidden;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:var(--shadow-sm)}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:18px 20px;border:0;background:#fff;color:var(--ink);font-size:16px;font-weight:760;text-align:left}
.faq-question span:last-child{display:grid;place-items:center;width:25px;height:25px;border-radius:8px;background:var(--blue-soft);color:var(--blue);font-size:19px;line-height:1;transition:.2s}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:var(--blue);color:#fff}
.faq-answer{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px;line-height:1.85}
.faq-item.open .faq-answer{display:block}
.cta-box{position:relative;overflow:hidden;padding:48px;border-radius:var(--radius);background:#103f89 url("/assets/images/backpic/back-3.webp") center/cover no-repeat;color:#fff;box-shadow:var(--shadow)}
.cta-box:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,54,124,.95),rgba(18,105,204,.79))}
.cta-box>*{position:relative}
.cta-box h2{max-width:650px;margin:0;font-size:clamp(27px,3.5vw,39px);line-height:1.3}
.cta-box p{max-width:700px;margin:14px 0 25px;color:rgba(255,255,255,.82);font-size:15px}
.cta-box .btn-primary{background:#fff;color:var(--blue)}
.cta-box .btn-light{background:transparent;border-color:rgba(255,255,255,.48);color:#fff}
.site-footer{padding:50px 0 92px;background:#0d1c35;color:#b5c2d6}
.footer-grid{display:grid;grid-template-columns:1.05fr .8fr .85fr;gap:42px}
.footer-brand{color:#fff;font-size:23px;font-weight:850}
.footer-brand span{color:#8fcbff}
.footer-copy{max-width:375px;margin:13px 0 0;font-size:13px;line-height:1.8}
.footer-title{margin:4px 0 12px;color:#fff;font-size:14px}
.footer-links{display:grid;gap:7px;font-size:13px}
.footer-links a{transition:.2s}
.footer-links a:hover{color:#8fcbff}
.footer-note{margin-top:12px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;line-height:2}
.footer-quote{display:flex;align-items:center;gap:9px;margin-top:18px;color:#d3e2f9;font-size:13px}
.fixed-bar{position:fixed;z-index:45;right:0;bottom:0;left:0;padding:10px 0;border-top:1px solid #cce0fa;background:rgba(255,255,255,.94);box-shadow:0 -8px 28px rgba(23,65,119,.1);backdrop-filter:blur(14px)}
.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.fixed-inner strong{display:block;color:var(--ink);font-size:14px}
.fixed-inner span{display:block;color:var(--muted);font-size:12px}
.fixed-actions{display:flex;gap:9px}
@media (max-width:1100px){
 .nav-row{gap:14px}.nav-links a{padding:8px 7px;font-size:13px}.command-search{display:none}
 .hero-grid,.split-content{gap:32px}.process-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
 .container{width:min(var(--max),calc(100% - 34px))}
 .nav-row{height:68px;justify-content:space-between}.menu-toggle{display:block}
 .nav-links{position:absolute;top:68px;right:0;left:0;display:none;max-height:calc(100vh - 68px);padding:15px 17px 22px;overflow:auto;align-items:stretch;flex-direction:column;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
 .nav-links.show{display:flex}.nav-links a{padding:11px 13px}.nav-tools .btn{display:none}
 .hero{padding:48px 0}.hero-grid,.rank-layout,.split-content,.rule-grid,.people-grid{grid-template-columns:1fr}
 .hero-grid{gap:28px}.hero h1{font-size:42px}.compare-panel{max-width:580px}.rank-story{min-height:350px}.section{padding:60px 0}
 .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}
}
@media (max-width:520px){
 body{font-size:15px}.container{width:min(var(--max),calc(100% - 28px))}
 .brand{font-size:20px}.brand-mark{width:32px;height:32px}.hero-topline{align-items:flex-start;flex-direction:column;margin-bottom:20px}
 .hero h1{font-size:34px;letter-spacing:-1.3px}.hero-copy{font-size:15px}.hero-actions,.fixed-actions{flex-direction:column;align-items:stretch}.hero-actions .btn{width:100%}
 .hero-mini{gap:16px}.section{padding:49px 0}.section-head{align-items:flex-start;flex-direction:column;gap:10px;margin-bottom:24px}
 .section-title{font-size:28px}.rank-item{grid-template-columns:42px 1fr;gap:10px;padding:13px}.rank-label{display:none}
 .rank-story-content{right:20px;bottom:20px;left:20px}.rank-story-content h3{font-size:23px}.rule-card,.case-panel,.quote-card,.pact-card{padding:22px}
 .process-grid{grid-template-columns:1fr}.image-frame img{min-height:340px}.cta-box{padding:29px 23px}.footer-grid{grid-template-columns:1fr;gap:26px}
 .fixed-inner{align-items:flex-start;flex-direction:column;gap:8px}.fixed-actions{width:100%;flex-direction:row}.fixed-actions .btn{flex:1;padding:11px 9px;font-size:13px}.site-footer{padding-bottom:148px}
}

/* roulang page: category4 */
:root{
 --blue:#1769e8;--blue-deep:#104cab;--blue-soft:#eaf3ff;--cyan:#18b7c9;
 --ink:#11213b;--text:#33445e;--muted:#6e7f98;--line:#dce6f3;--white:#fff;
 --canvas:#f6f9fd;--warm:#ffb648;--green:#19a974;
 --shadow:0 16px 42px rgba(30,76,140,.11);--shadow-sm:0 8px 20px rgba(27,69,126,.08);
 --radius:22px;--radius-sm:14px;--max:1180px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--canvas);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.91);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,230,243,.86)}
.nav-row{height:76px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;color:var(--ink);font-size:22px;font-weight:800;letter-spacing:-.8px}
.brand-mark{width:35px;height:35px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:0 8px 18px rgba(23,105,232,.25);color:#fff;font-size:19px}
.nav-links{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}
.nav-links a{padding:9px 10px;border-radius:9px;color:#586a83;font-size:14px;font-weight:650;white-space:nowrap;transition:.22s ease}
.nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--blue-soft)}
.nav-tools{display:flex;align-items:center;gap:10px}
.command-search{width:155px;height:38px;display:flex;align-items:center;gap:7px;padding:0 10px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--muted);font-size:12px}
.command-search span{font-size:16px;color:var(--blue)}
.command-search kbd{margin-left:auto;padding:1px 5px;border:1px solid var(--line);border-radius:4px;background:#f6f9fd;color:#8694a8;font-size:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:14px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(23,105,232,.2)}
.btn:focus,a:focus,button:focus{outline:3px solid rgba(24,183,201,.3);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-deep)}
.btn-light{background:#fff;color:var(--blue);border-color:#cde0fc}.btn-soft{background:var(--blue-soft);color:var(--blue)}
.menu-toggle{display:none;border:0;background:transparent;font-size:24px;color:var(--ink)}
.hero{position:relative;overflow:hidden;background:#0d3f94 url("/assets/images/backpic/back-2.webp") center/cover no-repeat;color:#fff}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(104deg,rgba(7,35,85,.96),rgba(15,78,173,.88) 55%,rgba(20,144,190,.55))}
.hero .container{position:relative}
.hero-inner{padding:68px 0 58px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}
.hero-brand{display:inline-flex;align-items:center;gap:8px;margin-bottom:17px;color:#bdeaff;font-size:14px;font-weight:800;letter-spacing:.7px}
.hero-brand:before{content:"";width:26px;height:2px;background:var(--cyan)}
.hero h1{max-width:680px;margin:0 0 18px;font-size:clamp(37px,5vw,61px);line-height:1.16;letter-spacing:-2px}
.hero-copy{max-width:650px;margin:0;color:rgba(255,255,255,.88);font-size:17px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:29px}
.hero .btn-primary{background:#fff;color:var(--blue)}.hero .btn-primary:hover{background:#eaf3ff}
.hero .btn-light{color:#fff;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.38)}
.hero-mini{display:flex;gap:26px;flex-wrap:wrap;margin-top:34px}
.hero-mini strong{display:block;font-size:18px;line-height:1.2}.hero-mini span{display:block;margin-top:4px;color:rgba(255,255,255,.7);font-size:12px}
.etiquette-panel{padding:24px;border:1px solid rgba(255,255,255,.25);border-radius:var(--radius);background:rgba(8,35,87,.4);box-shadow:0 22px 50px rgba(0,26,70,.23);backdrop-filter:blur(8px)}
.panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.panel-top b{font-size:16px}.live-dot{display:flex;align-items:center;gap:7px;color:#cdeeff;font-size:12px}.live-dot:before{content:"";width:8px;height:8px;border-radius:99px;background:#62dbad;box-shadow:0 0 0 5px rgba(98,219,173,.14)}
.rule-rank{display:grid;gap:10px}.rule-row{display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:12px;padding:12px;border-radius:13px;background:rgba(255,255,255,.1)}
.rule-num{width:28px;height:28px;display:grid;place-items:center;border-radius:9px;background:rgba(255,255,255,.16);font-weight:800;font-size:13px}.rule-row b{font-size:14px}.rule-row small{display:block;color:#c5ddff;font-size:11px}.rule-tag{padding:3px 8px;border-radius:99px;background:rgba(24,183,201,.25);color:#c5f8ff;font-size:11px}
main{overflow:hidden}.section{padding:78px 0}.section-white{background:#fff}.section-tint{background:linear-gradient(180deg,#f6f9fd,#edf5ff)}
.eyebrow{display:inline-flex;align-items:center;gap:7px;margin-bottom:12px;color:var(--blue);font-size:13px;font-weight:800}.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
.section-title{margin:0;color:var(--ink);font-size:clamp(27px,3vw,39px);line-height:1.28;letter-spacing:-1px}.section-intro{max-width:760px;margin:14px 0 0;color:var(--muted);font-size:15px}
.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:32px}
.notice{display:flex;gap:15px;align-items:flex-start;padding:22px 24px;border:1px solid #cfe3fd;border-radius:var(--radius-sm);background:var(--blue-soft)}.notice-icon{flex:0 0 auto;width:35px;height:35px;display:grid;place-items:center;border-radius:11px;background:var(--blue);color:#fff;font-weight:900}.notice p{margin:0;font-size:15px}
.triple-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.value-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);transition:.22s}.value-card:hover{transform:translateY(-5px);border-color:#b9d4fb;box-shadow:var(--shadow)}
.card-icon{width:48px;height:48px;display:grid;place-items:center;margin-bottom:18px;border-radius:15px;background:var(--blue-soft);color:var(--blue);font-size:22px;font-weight:800}.value-card h3{margin:0 0 9px;color:var(--ink);font-size:20px}.value-card p{margin:0;color:var(--muted);font-size:14px}
.split-story{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:center}.story-image{position:relative;min-height:410px;overflow:hidden;border-radius:var(--radius);background:#1d519a}.story-image img{width:100%;height:100%;object-fit:cover}.story-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,38,93,.52),transparent 55%)}.image-label{position:absolute;z-index:1;left:20px;bottom:19px;padding:9px 13px;border-radius:10px;background:rgba(255,255,255,.9);color:var(--blue-deep);font-size:13px;font-weight:800}
.check-list{display:grid;gap:13px;margin:24px 0 0;padding:0;list-style:none}.check-list li{position:relative;padding:13px 15px 13px 47px;border:1px solid var(--line);border-radius:13px;background:#fff;color:var(--text);font-size:14px}.check-list li:before{content:"✓";position:absolute;left:15px;top:12px;width:21px;height:21px;display:grid;place-items:center;border-radius:50%;background:#dcf7ed;color:var(--green);font-weight:900;font-size:12px}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;counter-reset:flow}.flow-card{position:relative;padding:25px 21px;border-radius:var(--radius-sm);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}.flow-card:before{counter-increment:flow;content:"0" counter(flow);display:block;margin-bottom:13px;color:var(--cyan);font-size:13px;font-weight:900;letter-spacing:1px}.flow-card h3{margin:0 0 7px;color:var(--ink);font-size:17px}.flow-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
.scene-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}.scene-main{position:relative;min-height:386px;overflow:hidden;border-radius:var(--radius);color:#fff}.scene-main img{width:100%;height:100%;object-fit:cover}.scene-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,31,71,.92),rgba(7,31,71,.06) 75%)}.scene-content{position:absolute;z-index:1;left:30px;right:30px;bottom:25px}.scene-content h3{margin:8px 0;color:#fff;font-size:28px}.scene-content p{margin:0;color:#d8eaff;font-size:14px}.scene-side{display:grid;gap:16px}.scene-note{padding:25px;border-radius:var(--radius-sm);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}.scene-note:nth-child(2){background:var(--blue);border-color:var(--blue);color:#fff}.scene-note h3{margin:0 0 8px;color:var(--ink);font-size:18px}.scene-note p{margin:0;color:var(--muted);font-size:14px}.scene-note:nth-child(2) h3,.scene-note:nth-child(2) p{color:#fff}.scene-note:nth-child(2) p{color:#d8eaff}
.quote-wrap{display:grid;grid-template-columns:.74fr 1.26fr;gap:22px}.quote-card{padding:30px;border-radius:var(--radius);background:var(--ink);color:#fff}.quote-card p{margin:0 0 22px;font-size:19px;line-height:1.8}.quote-person{display:flex;align-items:center;gap:10px;color:#bdd6fa;font-size:13px}.quote-avatar{width:35px;height:35px;display:inline-grid;place-items:center;border-radius:50%;background:var(--cyan);color:#fff;font-size:14px;font-weight:800}.data-card{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--line)}.data-item{padding:31px 23px;background:#fff}.data-item strong{display:block;color:var(--blue);font-size:31px;line-height:1.1;letter-spacing:-1px}.data-item span{display:block;margin-top:8px;color:var(--muted);font-size:13px}
.faq-list{display:grid;gap:12px;max-width:920px}.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;overflow:hidden;transition:.2s}.faq-item:hover{border-color:#bfd8fb}.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 22px;border:0;background:#fff;color:var(--ink);text-align:left;font-weight:800;font-size:16px}.faq-q span:last-child{width:24px;height:24px;display:grid;place-items:center;border-radius:50%;background:var(--blue-soft);color:var(--blue);font-size:19px;transition:.2s}.faq-a{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span:last-child{transform:rotate(45deg);background:var(--blue);color:#fff}
.cta-box{position:relative;overflow:hidden;padding:52px 54px;border-radius:var(--radius);background:#1054bd url("/assets/images/backpic/back-3.webp") center/cover no-repeat;color:#fff}.cta-box:before{content:"";position:absolute;inset:0;background:rgba(10,61,151,.87)}.cta-content{position:relative;display:flex;justify-content:space-between;gap:30px;align-items:center}.cta-content h2{max-width:630px;margin:0 0 10px;font-size:clamp(26px,3vw,37px);line-height:1.3}.cta-content p{max-width:670px;margin:0;color:#d9eaff;font-size:15px}.cta-content .btn{flex:0 0 auto;background:#fff;color:var(--blue)}
.site-footer{padding:50px 0 88px;background:#0c1d38;color:#b5c4da}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:35px;padding-bottom:31px;border-bottom:1px solid rgba(199,220,250,.15)}.footer-brand{color:#fff}.footer-brand .brand{color:#fff;margin-bottom:14px}.footer-brand p{max-width:390px;margin:0;color:#9db0c9;font-size:13px}.footer-title{margin:3px 0 12px;color:#fff;font-size:14px}.footer-links{display:grid;gap:7px}.footer-links a{color:#aebed2;font-size:13px;transition:.2s}.footer-links a:hover{color:#fff;transform:translateX(3px)}.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:22px;color:#8fa3c0;font-size:12px}.record-links{display:flex;flex-wrap:wrap;gap:12px}.record-links a:hover{color:#fff}.footer-quote{margin-top:22px;color:#9db0c9;font-size:13px}.footer-quote .quote-avatar{vertical-align:middle;margin-right:7px}
.fixed-bar{position:fixed;z-index:40;left:50%;bottom:18px;display:flex;align-items:center;gap:19px;width:min(620px,calc(100% - 28px));padding:10px 11px 10px 18px;border:1px solid rgba(255,255,255,.6);border-radius:17px;background:rgba(255,255,255,.93);box-shadow:0 15px 38px rgba(16,55,111,.2);backdrop-filter:blur(14px)}.fixed-bar p{flex:1;margin:0;color:var(--ink);font-size:13px;font-weight:700}.fixed-bar .btn{padding:10px 14px;font-size:13px}
@media(max-width:1120px){.nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:13px}.command-search{display:none}.hero-grid{gap:32px}}
@media(max-width:900px){.nav-row{gap:14px}.menu-toggle{display:block;margin-left:auto}.nav-links{position:absolute;top:76px;left:0;right:0;display:none;max-height:calc(100vh - 76px);padding:16px 24px 23px;overflow:auto;align-items:stretch;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{padding:11px 12px}.nav-tools{display:none}.hero-grid,.split-story,.scene-layout,.quote-wrap{grid-template-columns:1fr}.hero-inner{padding:57px 0}.etiquette-panel{max-width:620px}.triple-grid{grid-template-columns:repeat(3,1fr)}.flow{grid-template-columns:repeat(2,1fr)}.story-image{min-height:310px}.section{padding:64px 0}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){body{font-size:15px}.container{width:min(100% - 30px,var(--max))}.nav-row{height:68px}.brand{font-size:20px}.brand-mark{width:32px;height:32px}.nav-links{top:68px;padding-left:15px;padding-right:15px}.hero-inner{padding:48px 0 44px}.hero h1{font-size:36px;letter-spacing:-1.5px}.hero-copy{font-size:15px}.hero-mini{gap:18px}.section{padding:52px 0}.section-head{display:block;margin-bottom:24px}.section-title{font-size:28px}.triple-grid,.flow,.data-card{grid-template-columns:1fr}.value-card{padding:24px}.scene-main{min-height:335px}.scene-content{left:21px;right:21px;bottom:20px}.scene-content h3{font-size:24px}.cta-box{padding:35px 24px}.cta-content{display:block}.cta-content .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{align-items:flex-start;flex-direction:column}.fixed-bar{bottom:11px;gap:10px;padding-left:13px}.fixed-bar p{font-size:12px}.fixed-bar .btn{padding:10px 11px}.notice{padding:18px}.hero-actions .btn{width:100%}}

/* roulang page: category5 */
:root{
 --blue:#1769e8;--blue-deep:#104cab;--blue-soft:#eaf3ff;--cyan:#18b7c9;--ink:#11213b;
 --text:#33445e;--muted:#6e7f98;--line:#dce6f3;--white:#fff;--canvas:#f6f9fd;
 --warm:#ffb648;--green:#19a974;--shadow:0 16px 42px rgba(30,76,140,.11);
 --shadow-sm:0 8px 20px rgba(27,69,126,.08);--radius:22px;--radius-sm:14px;--max:1180px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--canvas);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.91);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,230,243,.86)}
.nav-row{height:76px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;color:var(--ink);font-size:22px;font-weight:800;letter-spacing:-.8px}
.brand-mark{width:35px;height:35px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--cyan););box-shadow:0 8px 18px rgba(23,105,232,.25);color:#fff;font-size:19px}
.nav-links{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}
.nav-links a{padding:9px 10px;border-radius:9px;color:#586a83;font-size:14px;font-weight:650;transition:.22s ease;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--blue-soft)}
.nav-tools{display:flex;align-items:center;gap:10px}
.command-search{width:155px;height:38px;display:flex;align-items:center;gap:7px;padding:0 10px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--muted);font-size:12px}
.command-search span{font-size:16px;color:var(--blue)}
.command-search kbd{margin-left:auto;padding:1px 5px;border:1px solid var(--line);border-radius:4px;background:#f6f9fd;color:#8694a8;font-size:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:14px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(23,105,232,.2)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(24,183,201,.35);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-deep)}
.btn-light{background:#fff;color:var(--blue);border-color:#cde0fc}.btn-soft{background:var(--blue-soft);color:var(--blue)}
.menu-toggle{display:none;border:0;background:transparent;font-size:24px;color:var(--ink)}
main{overflow:hidden}.section{padding:78px 0}.section-white{background:#fff}.section-tint{background:linear-gradient(180deg,#f6f9fd,#edf5ff)}
.eyebrow{display:inline-flex;align-items:center;gap:7px;margin-bottom:12px;color:var(--blue);font-size:13px;font-weight:800}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
.section-title{margin:0;color:var(--ink);font-size:clamp(27px,3vw,39px);line-height:1.28;letter-spacing:-1px}
.section-intro{max-width:760px;margin:14px 0 0;color:var(--muted);font-size:15px}
.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:32px}
.inner-hero{position:relative;overflow:hidden;padding:78px 0 72px;color:#fff;background:#1458bb url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
.inner-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(11,49,112,.94),rgba(20,96,194,.76),rgba(24,183,201,.45))}
.inner-hero .container{position:relative}
.crumb{display:flex;gap:9px;align-items:center;color:rgba(255,255,255,.72);font-size:13px;margin-bottom:23px}.crumb b{color:#fff;font-weight:700}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.inner-hero h1{max-width:720px;margin:0;font-size:clamp(37px,5vw,59px);line-height:1.16;letter-spacing:-2px}
.hero-copy{max-width:700px;margin:19px 0 0;color:rgba(255,255,255,.9);font-size:17px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:29px}.inner-hero .btn-primary{background:#fff;color:var(--blue)}.inner-hero .btn-primary:hover{background:var(--blue-soft)}.inner-hero .btn-light{color:#fff;background:rgba(255,255,255,.11);border-color:rgba(255,255,255,.45)}
.ready-card{padding:24px;border:1px solid rgba(255,255,255,.3);border-radius:var(--radius);background:rgba(7,45,108,.34);backdrop-filter:blur(8px);box-shadow:0 20px 35px rgba(3,25,63,.18)}
.ready-card h2{margin:0 0 7px;font-size:21px}.ready-card p{margin:0;color:rgba(255,255,255,.75);font-size:13px}
.ready-list{display:grid;gap:9px;margin:19px 0 0;padding:0;list-style:none}.ready-list li{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:10px;background:rgba(255,255,255,.11);font-size:14px}.check{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--cyan);font-size:12px;font-weight:900}
.info-band{margin-top:-22px;position:relative;z-index:2}.info-band-inner{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow);overflow:hidden}.info-cell{padding:18px 23px;border-right:1px solid var(--line)}.info-cell:last-child{border:0}.info-cell strong{display:block;color:var(--ink);font-size:18px}.info-cell span{color:var(--muted);font-size:13px}
.start-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:40px;align-items:center}.image-card{overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow);background:#dceafe}.image-card img{width:100%;height:390px;object-fit:cover}.copy-block p{margin:0 0 16px;color:var(--text)}.note{padding:17px 18px;border-left:4px solid var(--cyan);border-radius:0 13px 13px 0;background:var(--blue-soft);color:#31567e;font-size:14px}
.step-list{display:grid;gap:14px;margin-top:25px}.step{display:grid;grid-template-columns:43px 1fr;gap:14px;align-items:start}.step-num{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;background:var(--blue);color:#fff;font-weight:800;box-shadow:0 8px 16px rgba(23,105,232,.22)}.step h3{margin:0 0 3px;color:var(--ink);font-size:17px}.step p{margin:0;color:var(--muted);font-size:14px}
.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.rule-card{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);transition:.22s ease}.rule-card:hover{transform:translateY(-5px);border-color:#b8d4fa;box-shadow:var(--shadow)}.card-icon{display:grid;place-items:center;width:46px;height:46px;margin-bottom:18px;border-radius:14px;background:var(--blue-soft);color:var(--blue);font-size:21px;font-weight:800}.rule-card h3{margin:0 0 9px;color:var(--ink);font-size:19px}.rule-card p{margin:0;color:var(--muted);font-size:14px}
.hand-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:stretch}.hand-side{padding:34px;border-radius:var(--radius);background:#103f8b;color:#fff}.hand-side .eyebrow{color:#9bdcff}.hand-side .eyebrow:before{background:#9bdcff}.hand-side h2{margin:0;font-size:31px;line-height:1.3}.hand-side p{margin:17px 0;color:rgba(255,255,255,.8);font-size:15px}.hand-side img{width:100%;height:185px;object-fit:cover;border-radius:15px;opacity:.9;margin-top:23px}
.hand-list{display:grid;gap:10px}.hand-item{display:grid;grid-template-columns:48px 1fr auto;gap:14px;align-items:center;padding:15px 18px;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:var(--shadow-sm)}.rank{color:var(--blue);font-size:20px;font-weight:850}.hand-item h3{margin:0;color:var(--ink);font-size:16px}.hand-item p{margin:2px 0 0;color:var(--muted);font-size:13px}.tag{padding:4px 8px;border-radius:7px;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:750}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}.flow:before{content:"";position:absolute;top:29px;left:10%;right:10%;height:2px;background:#cce0fb}.flow-card{position:relative;padding:0 12px;text-align:center}.flow-dot{position:relative;z-index:1;display:grid;place-items:center;width:58px;height:58px;margin:0 auto 15px;border:5px solid #f4f8fe;border-radius:50%;background:var(--blue);color:#fff;font-size:20px;font-weight:850;box-shadow:0 5px 14px rgba(23,105,232,.2)}.flow-card h3{margin:0 0 6px;color:var(--ink);font-size:16px}.flow-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
.scene-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.scene-feature{position:relative;min-height:390px;overflow:hidden;border-radius:var(--radius);background:#173e7c;color:#fff}.scene-feature img{width:100%;height:100%;object-fit:cover;opacity:.67}.scene-feature:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,31,72,.94),rgba(8,31,72,.03) 75%)}.scene-content{position:absolute;z-index:1;left:30px;right:30px;bottom:27px}.scene-content h3{margin:10px 0 7px;font-size:27px}.scene-content p{margin:0;color:rgba(255,255,255,.8);font-size:14px}.scene-stack{display:grid;gap:18px}.scene-small{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}.scene-small h3{margin:0 0 8px;color:var(--ink);font-size:19px}.scene-small p{margin:0;color:var(--muted);font-size:14px}.mini-link{display:inline-flex;margin-top:13px;color:var(--blue);font-size:14px;font-weight:750}.mini-link:hover{color:var(--blue-deep)}
.promise-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.promise{padding:24px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}.promise strong{display:block;margin-bottom:7px;color:var(--ink);font-size:18px}.promise p{margin:0;color:var(--muted);font-size:14px}.quote-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.quote{padding:24px;border-radius:var(--radius);background:#eaf3ff}.quote p{margin:0;color:#31567e;font-size:15px}.quote footer{display:flex;align-items:center;gap:10px;margin-top:17px;color:var(--ink);font-size:14px;font-weight:750}.quote-avatar{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--blue);color:#fff;font-size:13px}
.faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:48px}.faq-intro p{color:var(--muted);margin:14px 0}.faq-list{display:grid;gap:10px}.faq-item{border:1px solid var(--line);border-radius:15px;background:#fff;overflow:hidden}.faq-item summary{position:relative;padding:17px 48px 17px 19px;color:var(--ink);font-weight:750;cursor:pointer;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";position:absolute;right:18px;top:14px;color:var(--blue);font-size:22px;font-weight:400}.faq-item[open] summary:after{content:"−"}.faq-item p{padding:0 19px 18px;margin:0;color:var(--muted);font-size:14px}
.cta-box{position:relative;overflow:hidden;padding:48px;border-radius:var(--radius);background:#0f4fae url("/assets/images/backpic/back-3.webp") center/cover no-repeat;color:#fff;box-shadow:var(--shadow)}.cta-box:before{content:"";position:absolute;inset:0;background:rgba(11,56,133,.85)}.cta-box>*{position:relative}.cta-box h2{max-width:680px;margin:0;font-size:clamp(28px,4vw,42px);line-height:1.3}.cta-box p{max-width:690px;margin:13px 0 25px;color:rgba(255,255,255,.82)}.cta-box .btn-primary{background:#fff;color:var(--blue)}.cta-box .btn-light{color:#fff;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.45)}
.site-footer{padding:50px 0 92px;background:#0e1d36;color:#b5c3d7}.footer-top{display:flex;justify-content:space-between;gap:30px;padding-bottom:28px;border-bottom:1px solid rgba(181,195,215,.16)}.footer-brand{color:#fff;font-size:22px;font-weight:850}.footer-brand span{color:#72cde0}.footer-note{max-width:480px;margin:10px 0 0;font-size:13px;line-height:1.8}.footer-links{display:flex;flex-wrap:wrap;align-content:flex-start;justify-content:flex-end;gap:8px 18px}.footer-links a{font-size:13px;transition:.2s}.footer-links a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:24px;font-size:12px;line-height:1.9}.record-links a:hover{color:#fff}
.fixed-bar{position:fixed;z-index:45;bottom:16px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:17px;width:min(690px,calc(100% - 28px));padding:10px 11px 10px 19px;border:1px solid rgba(255,255,255,.72);border-radius:16px;background:rgba(255,255,255,.94);box-shadow:0 14px 38px rgba(17,62,123,.22);backdrop-filter:blur(14px)}.fixed-bar p{flex:1;margin:0;color:var(--ink);font-size:13px;font-weight:700}.fixed-bar p span{color:var(--muted);font-weight:500}.fixed-bar .btn{padding:10px 15px;white-space:nowrap}
@media(max-width:1100px){.nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:13px}.command-search{display:none}.hero-grid{gap:32px}.rule-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.nav-row{height:68px;gap:12px}.menu-toggle{display:block;margin-left:auto}.nav-tools{display:none}.nav-links{position:absolute;top:68px;left:0;right:0;display:none;max-height:calc(100vh - 68px);padding:14px 24px 22px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);overflow:auto}.nav-links.open{display:grid;grid-template-columns:repeat(2,1fr)}.nav-links a{padding:11px 10px}.inner-hero{padding:57px 0 65px}.hero-grid,.start-grid,.hand-layout,.scene-grid,.faq-wrap{grid-template-columns:1fr}.ready-card{max-width:520px}.info-band{margin-top:0}.info-band-inner{grid-template-columns:repeat(2,1fr);border-radius:0}.info-cell:nth-child(2){border-right:0}.info-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}.section{padding:62px 0}.section-head{display:block}.section-intro{margin-bottom:22px}.flow{grid-template-columns:1fr 1fr;gap:25px}.flow:before{display:none}.quote-row{grid-template-columns:1fr}.footer-top,.footer-bottom{display:block}.footer-links{justify-content:flex-start;margin-top:22px}.footer-bottom{padding-bottom:6px}.footer-bottom>div+div{margin-top:6px}}
@media(max-width:520px){.container{width:min(var(--max),calc(100% - 32px))}.brand{font-size:20px}.brand-mark{width:32px;height:32px}.nav-links.open{grid-template-columns:1fr}.inner-hero h1{font-size:36px;letter-spacing:-1.2px}.hero-copy{font-size:15px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn{width:100%}.ready-card{padding:20px}.info-band-inner{grid-template-columns:1fr}.info-cell,.info-cell:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}.info-cell:last-child{border-bottom:0}.image-card img{height:285px}.rule-grid,.promise-grid{grid-template-columns:1fr}.hand-side{padding:25px}.hand-item{grid-template-columns:36px 1fr}.hand-item .tag{display:none}.flow{grid-template-columns:1fr}.scene-feature{min-height:340px}.scene-content{left:22px;right:22px;bottom:22px}.cta-box{padding:30px 24px}.fixed-bar{bottom:9px;padding:9px 10px 9px 14px;gap:9px}.fixed-bar p{font-size:12px;line-height:1.45}.fixed-bar p span{display:none}.fixed-bar .btn{padding:10px 12px;font-size:13px}}

/* roulang page: category6 */
:root{
      --blue:#1769e8;
      --blue-deep:#104cab;
      --blue-soft:#eaf3ff;
      --cyan:#18b7c9;
      --ink:#11213b;
      --text:#33445e;
      --muted:#6e7f98;
      --line:#dce6f3;
      --white:#fff;
      --canvas:#f6f9fd;
      --warm:#ffb648;
      --green:#19a974;
      --red:#e85858;
      --shadow:0 16px 42px rgba(30,76,140,.11);
      --shadow-sm:0 8px 20px rgba(27,69,126,.08);
      --radius:22px;
      --radius-sm:14px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--canvas);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.91);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,230,243,.86)}
    .nav-row{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;white-space:nowrap;color:var(--ink);font-size:22px;font-weight:800;letter-spacing:-.8px}
    .brand-mark{width:35px;height:35px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:0 8px 18px rgba(23,105,232,.25);color:#fff;font-size:19px}
    .nav-links{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}
    .nav-links a{padding:9px 10px;border-radius:9px;color:#586a83;font-size:14px;font-weight:650;white-space:nowrap;transition:.22s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--blue-soft)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .command-search{width:155px;height:38px;display:flex;align-items:center;gap:7px;padding:0 10px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--muted);font-size:12px}
    .command-search span{font-size:16px;color:var(--blue)}
    .command-search kbd{margin-left:auto;padding:1px 5px;border:1px solid var(--line);border-radius:4px;background:#f6f9fd;color:#8694a8;font-size:10px}
    .menu-toggle{display:none;border:0;background:transparent;font-size:24px;color:var(--ink)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:14px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(23,105,232,.2)}
    .btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(24,183,201,.38);outline-offset:3px}
    .btn-primary{background:var(--blue);color:#fff}
    .btn-primary:hover{background:var(--blue-deep)}
    .btn-light{background:#fff;color:var(--blue);border-color:#cde0fc}
    .btn-soft{background:var(--blue-soft);color:var(--blue)}
    main{overflow:hidden}
    .section{padding:78px 0}
    .section-white{background:var(--white)}
    .section-tint{background:linear-gradient(180deg,#f6f9fd,#edf5ff)}
    .eyebrow{display:inline-flex;align-items:center;gap:7px;margin-bottom:12px;color:var(--blue);font-size:13px;font-weight:800}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    .section-title{margin:0;color:var(--ink);font-size:clamp(27px,3vw,39px);line-height:1.28;letter-spacing:-1px}
    .section-intro{max-width:760px;margin:14px 0 0;color:var(--muted);font-size:15px}
    .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:32px}
    .flashbar{background:#0f4fbb;color:#fff;border-bottom:1px solid rgba(255,255,255,.2)}
    .flashbar-inner{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:13px}
    .flash-note{display:flex;align-items:center;gap:10px;font-weight:700}
    .flash-dot{width:8px;height:8px;border-radius:50%;background:var(--warm);box-shadow:0 0 0 5px rgba(255,182,72,.18)}
    .countdown{display:flex;align-items:center;gap:7px;color:rgba(255,255,255,.88)}
    .countdown strong{min-width:30px;padding:2px 5px;border-radius:5px;background:rgba(0,0,0,.22);color:#fff;text-align:center;font-variant-numeric:tabular-nums}
    .page-hero{position:relative;isolation:isolate;overflow:hidden;padding:58px 0 66px;background:#eaf3ff}
    .page-hero:after{content:"";position:absolute;z-index:-1;width:620px;height:620px;right:-200px;top:-250px;border-radius:50%;background:radial-gradient(circle,rgba(24,183,201,.21),rgba(23,105,232,.02) 67%)}
    .hero-layout{display:grid;grid-template-columns:1.04fr .96fr;gap:48px;align-items:center}
    .hero-kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border-radius:999px;background:#fff;color:var(--blue);box-shadow:var(--shadow-sm);font-size:13px;font-weight:800}
    .hero-kicker b{width:7px;height:7px;border-radius:50%;background:var(--green)}
    h1{margin:17px 0 16px;color:var(--ink);font-size:clamp(38px,5vw,57px);line-height:1.15;letter-spacing:-2px}
    .hero-copy{max-width:655px;margin:0;color:var(--text);font-size:17px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:27px}
    .hero-panel{overflow:hidden;border:1px solid rgba(202,220,245,.95);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
    .hero-panel img{width:100%;height:205px;object-fit:cover}
    .panel-body{padding:20px 22px 21px}
    .panel-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;color:var(--muted);font-size:12px}
    .panel-label span{padding:3px 8px;border-radius:7px;background:#ecf9f5;color:#168960;font-weight:800}
    .panel-body h2{margin:0;color:var(--ink);font-size:21px;line-height:1.4}
    .panel-body p{margin:8px 0 0;color:var(--muted);font-size:14px}
    .quick-data{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
    .quick-data div{padding:10px 8px;border-radius:11px;background:#f5f9ff;text-align:center}
    .quick-data strong{display:block;color:var(--blue);font-size:17px;line-height:1.2}
    .quick-data span{display:block;margin-top:3px;color:var(--muted);font-size:11px}
    .principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .principle{padding:26px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;box-shadow:var(--shadow-sm);transition:.22s ease}
    .principle:hover{transform:translateY(-5px);border-color:#b9d4fb;box-shadow:var(--shadow)}
    .principle-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:13px;background:var(--blue-soft);color:var(--blue);font-size:22px;font-weight:800}
    .principle h3{margin:17px 0 8px;color:var(--ink);font-size:19px}
    .principle p{margin:0;color:var(--muted);font-size:14px}
    .split-story{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:center}
    .story-image{position:relative;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow)}
    .story-image img{width:100%;height:420px;object-fit:cover}
    .story-chip{position:absolute;right:18px;bottom:18px;padding:10px 13px;border-radius:11px;background:rgba(17,33,59,.88);color:#fff;font-size:13px;font-weight:700}
    .check-list{display:grid;gap:13px;margin:25px 0 0;padding:0;list-style:none}
    .check-list li{position:relative;padding:13px 15px 13px 45px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--text);font-size:14px}
    .check-list li:before{content:"✓";position:absolute;left:14px;top:11px;width:21px;height:21px;display:grid;place-items:center;border-radius:50%;background:#eaf8f2;color:var(--green);font-weight:900}
    .agreement-board{display:grid;grid-template-columns:300px 1fr;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}
    .board-side{padding:31px;background:#123f87;color:#fff}
    .board-side h3{margin:0 0 14px;font-size:25px;line-height:1.35}
    .board-side p{margin:0;color:rgba(255,255,255,.78);font-size:14px}
    .board-number{display:inline-grid;place-items:center;width:44px;height:44px;margin-bottom:24px;border-radius:13px;background:rgba(255,255,255,.14);font-weight:800}
    .board-main{padding:20px 28px}
    .agreement-row{display:grid;grid-template-columns:138px 1fr;gap:20px;padding:17px 0;border-bottom:1px solid var(--line)}
    .agreement-row:last-child{border-bottom:0}
    .agreement-row strong{color:var(--ink);font-size:15px}
    .agreement-row span{color:var(--muted);font-size:14px}
    .scene-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .scene-main{position:relative;min-height:380px;overflow:hidden;border-radius:var(--radius);background:#123e7d;color:#fff}
    .scene-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.58}
    .scene-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,29,70,.92),rgba(8,29,70,.08))}
    .scene-content{position:absolute;z-index:1;left:31px;right:31px;bottom:28px}
    .scene-content h3{margin:10px 0 9px;font-size:27px;line-height:1.3}
    .scene-content p{margin:0;color:rgba(255,255,255,.82);font-size:14px}
    .scene-rail{display:grid;gap:20px}
    .scene-small{padding:25px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;box-shadow:var(--shadow-sm)}
    .scene-small span{display:block;color:var(--cyan);font-weight:800;font-size:13px}
    .scene-small h3{margin:7px 0;color:var(--ink);font-size:19px}
    .scene-small p{margin:0;color:var(--muted);font-size:14px}
    .timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .timeline:before{content:"";position:absolute;top:28px;left:11%;right:11%;height:2px;background:#cce0fc}
    .step{position:relative;padding:0 14px 19px}
    .step-num{position:relative;z-index:1;display:grid;place-items:center;width:57px;height:57px;margin-bottom:18px;border:5px solid #f6f9fd;border-radius:50%;background:var(--blue);box-shadow:0 5px 15px rgba(23,105,232,.24);color:#fff;font-size:18px;font-weight:900}
    .step h3{margin:0 0 8px;color:var(--ink);font-size:18px}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .quote-wrap{display:grid;grid-template-columns:1fr .8fr;gap:26px;align-items:stretch}
    .quote-card{padding:38px;border-radius:var(--radius);background:var(--blue);color:#fff;box-shadow:var(--shadow)}
    .quote-sign{font-size:54px;line-height:.7;color:rgba(255,255,255,.42);font-family:Georgia,serif}
    .quote-card blockquote{margin:15px 0 25px;font-size:20px;line-height:1.7;font-weight:700}
    .quote-person{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.8);font-size:14px}
    .quote-avatar{display:inline-grid;place-items:center;width:35px;height:35px;border-radius:50%;background:#d8ecff;color:var(--blue-deep);font-size:14px;font-weight:900}
    .evidence{display:grid;gap:14px}
    .evidence-item{display:flex;gap:15px;align-items:flex-start;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:#fff}
    .evidence-item b{display:grid;place-items:center;flex:0 0 36px;height:36px;border-radius:10px;background:#eaf8f2;color:var(--green)}
    .evidence-item h3{margin:0 0 3px;color:var(--ink);font-size:16px}
    .evidence-item p{margin:0;color:var(--muted);font-size:13px}
    .notice{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;padding:26px 30px;border:1px solid #f2d49f;border-radius:var(--radius-sm);background:#fffaf0}
    .notice-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:#fff0ce;color:#b5780d;font-size:20px;font-weight:900}
    .notice h3{margin:0 0 6px;color:#80570e;font-size:18px}
    .notice p{margin:0;color:#886b32;font-size:14px}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:start}
    .faq-list{display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:13px;background:#fff;overflow:hidden;transition:.2s ease}
    .faq-item:hover{border-color:#bdd6fb}
    .faq-q{width:100%;display:flex;justify-content:space-between;gap:20px;padding:18px 19px;border:0;background:#fff;color:var(--ink);text-align:left;font-weight:800;font-size:15px}
    .faq-q i{font-style:normal;color:var(--blue);font-size:20px;transition:.2s}
    .faq-a{display:none;padding:0 19px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q i{transform:rotate(45deg)}
    .cta-box{position:relative;overflow:hidden;padding:49px 52px;border-radius:var(--radius);background:#112f66;color:#fff}
    .cta-box:before{content:"";position:absolute;width:350px;height:350px;right:-100px;top:-190px;border-radius:50%;background:rgba(24,183,201,.35)}
    .cta-box>*{position:relative}
    .cta-box h2{max-width:720px;margin:0;font-size:clamp(27px,3vw,38px);line-height:1.35}
    .cta-box p{max-width:710px;margin:14px 0 25px;color:rgba(255,255,255,.8);font-size:15px}
    .cta-box .btn-primary{background:#fff;color:var(--blue)}
    .cta-box .btn-primary:hover{background:var(--blue-soft)}
    footer{background:#0d1f3a;color:#b9c7da}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:35px;padding:52px 0 34px}
    .footer-brand{color:#fff;font-size:22px;font-weight:850}
    .footer-brand span{color:var(--cyan)}
    .footer-copy{max-width:330px;margin:12px 0 0;color:#a8b8cd;font-size:13px;line-height:1.75}
    .footer-title{margin:2px 0 12px;color:#fff;font-size:14px}
    .footer-links{display:grid;gap:7px;font-size:13px}
    .footer-links a{transition:.2s}
    .footer-links a:hover{color:#fff}
    .footer-person{display:flex;align-items:center;gap:10px;color:#d8e4f3;font-size:14px}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;padding:19px 0;border-top:1px solid rgba(255,255,255,.12);font-size:12px;flex-wrap:wrap}
    .footer-bottom a{color:#d7e5f8}
    .footer-bottom a:hover{color:#fff}
    .fixed-cta{position:fixed;z-index:45;bottom:17px;left:50%;display:flex;align-items:center;gap:18px;width:min(690px,calc(100% - 28px));padding:10px 11px 10px 17px;border:1px solid rgba(255,255,255,.7);border-radius:16px;background:rgba(255,255,255,.94);box-shadow:0 12px 35px rgba(18,51,104,.21);backdrop-filter:blur(14px)}
    .fixed-cta p{flex:1;margin:0;color:var(--text);font-size:13px;line-height:1.4}
    .fixed-cta strong{display:block;color:var(--ink);font-size:14px}
    .fixed-cta .btn{padding:10px 14px;white-space:nowrap}
    @media (max-width:1080px){
      .nav-links{justify-content:flex-start;overflow:auto}
      .command-search{display:none}
      .hero-layout,.split-story{gap:30px}
      .timeline{grid-template-columns:repeat(2,1fr)}
      .timeline:before{display:none}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px,var(--max))}
      .nav-row{height:66px;gap:12px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-tools .btn{display:none}
      .nav-links{position:absolute;top:66px;left:0;right:0;display:none;max-height:calc(100vh - 66px);padding:12px 16px 20px;border-bottom:1px solid var(--line);background:#fff;overflow:auto;flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px}
      .flashbar-inner{align-items:flex-start;padding:9px 0;flex-direction:column;gap:4px}
      .page-hero{padding:46px 0 52px}
      .hero-layout,.split-story,.scene-grid,.quote-wrap,.faq-grid{grid-template-columns:1fr}
      .hero-panel{max-width:560px}
      .principle-grid{grid-template-columns:1fr}
      .agreement-board{grid-template-columns:1fr}
      .board-side{padding:25px}
      .section{padding:60px 0}
      .section-head{display:block}
      .section-head .section-intro{margin-bottom:20px}
      .scene-main{min-height:320px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .brand{font-size:20px}
      .brand-mark{width:32px;height:32px}
      .hero-copy{font-size:15px}
      h1{font-size:37px}
      .quick-data{gap:7px}
      .agreement-row{grid-template-columns:1fr;gap:5px}
      .board-main{padding:15px 20px}
      .timeline{grid-template-columns:1fr}
      .step{padding:0 0 10px 70px}
      .step-num{position:absolute;left:0;top:0}
      .quote-card,.cta-box{padding:30px 24px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .fixed-cta{gap:9px;padding-left:12px}
      .fixed-cta p{font-size:11px}
      .fixed-cta .btn{padding:10px}
    }

/* roulang page: category7 */
:root{
      --blue:#1769e8;--blue-deep:#104cab;--blue-soft:#eaf3ff;--cyan:#18b7c9;
      --ink:#11213b;--text:#33445e;--muted:#6e7f98;--line:#dce6f3;--white:#fff;
      --canvas:#f6f9fd;--warm:#ffb648;--green:#19a974;--red:#e45e68;
      --shadow:0 16px 42px rgba(30,76,140,.11);--shadow-sm:0 8px 20px rgba(27,69,126,.08);
      --radius:22px;--radius-sm:14px;--max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--canvas);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(24,183,201,.42);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.91);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,230,243,.86)}
    .nav-row{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;white-space:nowrap;color:var(--ink);font-size:22px;font-weight:800;letter-spacing:-.8px}
    .brand-mark{width:35px;height:35px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:0 8px 18px rgba(23,105,232,.25);color:#fff;font-size:19px}
    .nav-links{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}
    .nav-links a{padding:9px 10px;border-radius:9px;color:#586a83;font-size:14px;font-weight:650;transition:.22s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--blue-soft)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .command-search{width:155px;height:38px;display:flex;align-items:center;gap:7px;padding:0 10px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--muted);font-size:12px}
    .command-search span{font-size:16px;color:var(--blue)}
    .command-search kbd{margin-left:auto;padding:1px 5px;border:1px solid var(--line);border-radius:4px;background:#f6f9fd;color:#8694a8;font-size:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:14px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(23,105,232,.2)}
    .btn:active{transform:translateY(0)}
    .btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-deep)}
    .btn-light{background:#fff;color:var(--blue);border-color:#cde0fc}.btn-soft{background:var(--blue-soft);color:var(--blue)}
    .menu-toggle{display:none;border:0;background:transparent;font-size:24px;color:var(--ink)}
    main{overflow:hidden}.section{padding:78px 0}.section-white{background:#fff}.section-tint{background:linear-gradient(180deg,#f6f9fd,#edf5ff)}
    .eyebrow{display:inline-flex;align-items:center;gap:7px;margin-bottom:12px;color:var(--blue);font-size:13px;font-weight:800}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    .section-title{margin:0;color:var(--ink);font-size:clamp(27px,3vw,39px);line-height:1.28;letter-spacing:-1px}
    .section-intro{max-width:760px;margin:14px 0 0;color:var(--muted);font-size:15px}
    .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:32px}
    .hero{position:relative;overflow:hidden;padding:74px 0 64px;background:#0f4fbb url("/assets/images/backpic/back-3.webp") center/cover no-repeat;color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,46,112,.94),rgba(18,105,204,.82) 52%,rgba(18,130,190,.55))}
    .hero .container{position:relative}.hero-topline{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:37px}
    .hero-brand{font-size:17px;font-weight:800;letter-spacing:1px}
    .group-pill{display:inline-flex;align-items:center;gap:9px;padding:9px 14px;border:1px solid rgba(255,255,255,.25);border-radius:99px;background:rgba(255,255,255,.13);font-size:13px}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
    .hero h1{max-width:710px;margin:0 0 18px;font-size:clamp(36px,5vw,60px);line-height:1.16;letter-spacing:-2px}
    .hero-copy{max-width:680px;margin:0;color:rgba(255,255,255,.91);font-size:17px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero .btn-primary{background:#fff;color:var(--blue)}.hero .btn-primary:hover{background:#eaf3ff}
    .hero .btn-light{color:#fff;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.45)}
    .hero-mini{display:flex;gap:26px;flex-wrap:wrap;margin-top:31px}.hero-mini strong{display:block;font-size:19px;line-height:1.2}.hero-mini span{display:block;margin-top:3px;color:rgba(255,255,255,.72);font-size:12px}
    .pledge-panel{padding:24px;border:1px solid rgba(255,255,255,.24);border-radius:22px;background:rgba(255,255,255,.13);box-shadow:0 20px 46px rgba(4,36,90,.21);backdrop-filter:blur(9px)}
    .pledge-panel h2{margin:0 0 12px;font-size:22px;line-height:1.35}.pledge-panel p{margin:0 0 15px;color:rgba(255,255,255,.82);font-size:14px}
    .pledge-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}.pledge-list li{display:flex;align-items:center;gap:10px;padding:10px 11px;border-radius:10px;background:rgba(255,255,255,.11);font-size:13px}.check{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#83ddcf;color:#075b5f;font-weight:900;font-size:12px}
    .notice{display:flex;gap:17px;padding:20px 23px;border:1px solid #cfe5ff;border-radius:var(--radius-sm);background:#eff7ff;color:#36577a}.notice b{color:var(--blue)}.notice-icon{font-size:24px;line-height:1.3}
    .split-story{display:grid;grid-template-columns:.88fr 1.12fr;gap:56px;align-items:center}.story-photo{min-height:430px;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow);background:#d7e8f9}.story-photo img{width:100%;height:430px;object-fit:cover}.story-copy p{margin:0 0 16px}.story-copy strong{color:var(--ink)}
    .rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.rule-card{position:relative;padding:26px 23px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;box-shadow:var(--shadow-sm);transition:.24s}.rule-card:hover{transform:translateY(-5px);border-color:#bcd7fc;box-shadow:var(--shadow)}.rule-no{display:grid;place-items:center;width:39px;height:39px;margin-bottom:18px;border-radius:12px;background:var(--blue-soft);color:var(--blue);font-weight:850}.rule-card h3{margin:0 0 9px;color:var(--ink);font-size:19px}.rule-card p{margin:0;color:var(--muted);font-size:14px}
    .scene-layout{display:grid;grid-template-columns:1fr .96fr;gap:28px}.scene-photo{overflow:hidden;border-radius:var(--radius);background:#173e76}.scene-photo img{width:100%;height:100%;min-height:390px;object-fit:cover}.scene-stack{display:grid;gap:15px}.scene-item{display:flex;gap:16px;align-items:flex-start;padding:20px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;transition:.2s}.scene-item:hover{border-color:#a8cffb;transform:translateX(4px)}.scene-tag{flex:0 0 42px;display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:#e9f8f8;color:#118899;font-size:18px}.scene-item h3{margin:0 0 4px;color:var(--ink);font-size:17px}.scene-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:flow}.step{position:relative;padding:27px 21px 23px;border-radius:var(--radius-sm);background:#fff;border:1px solid var(--line)}.step:before{counter-increment:flow;content:"0" counter(flow);display:block;margin-bottom:17px;color:var(--cyan);font-size:13px;font-weight:850;letter-spacing:1px}.step h3{margin:0 0 8px;color:var(--ink);font-size:18px}.step p{margin:0;color:var(--muted);font-size:13px}
    .quote-area{display:grid;grid-template-columns:.82fr 1.18fr;overflow:hidden;border-radius:var(--radius);background:var(--ink);color:#fff}.quote-area img{width:100%;height:100%;min-height:330px;object-fit:cover;opacity:.83}.quote-content{padding:48px}.quote-mark{color:#7bc5ff;font-size:52px;line-height:.7}.quote-content blockquote{margin:20px 0;color:#fff;font-size:22px;line-height:1.7;font-weight:650}.quote-content p{margin:0;color:#bcd2ed;font-size:14px}
    .guard-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:23px}.guard-card{padding:31px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}.guard-card h3{margin:0 0 13px;color:var(--ink);font-size:22px}.guard-card p{margin:0;color:var(--muted)}.checklist{display:grid;gap:12px;margin:22px 0 0;padding:0;list-style:none}.checklist li{display:flex;gap:10px;align-items:flex-start;padding-bottom:11px;border-bottom:1px dashed var(--line);font-size:14px}.checklist li:last-child{padding-bottom:0;border-bottom:0}.dot{margin-top:7px;flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:var(--green)}.guard-side{padding:31px;border-radius:var(--radius);background:linear-gradient(145deg,#1769e8,#1356be);color:#fff}.guard-side h3{margin:0 0 13px;font-size:22px}.guard-side p{margin:0;color:rgba(255,255,255,.84)}.guard-side .btn{margin-top:22px;background:#fff;color:var(--blue)}
    .faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px}.faq-list{display:grid;gap:11px}.faq-item{border:1px solid var(--line);border-radius:13px;background:#fff;overflow:hidden}.faq-item summary{display:flex;justify-content:space-between;gap:16px;padding:18px 20px;color:var(--ink);font-weight:750;cursor:pointer;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";color:var(--blue);font-size:20px;line-height:1}.faq-item[open] summary:after{content:"－"}.faq-item p{margin:0;padding:0 20px 18px;color:var(--muted);font-size:14px}
    .cta{padding:0 0 100px}.cta-box{position:relative;overflow:hidden;padding:49px 52px;border-radius:var(--radius);background:#0f4fbb url("/assets/images/backpic/back-2.webp") center/cover;color:#fff}.cta-box:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,56,139,.95),rgba(16,110,200,.74))}.cta-box>*{position:relative}.cta-box h2{max-width:650px;margin:0;font-size:clamp(28px,3.5vw,42px);line-height:1.3}.cta-box p{max-width:670px;margin:13px 0 25px;color:rgba(255,255,255,.86)}.cta-box .btn-primary{background:#fff;color:var(--blue)}.cta-box .btn-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
    .site-footer{padding:49px 0 94px;background:#0d1c32;color:#c1d0e1}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .9fr;gap:34px}.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:21px;font-weight:800}.footer-brand .brand-mark{box-shadow:none}.footer-text{margin:14px 0 0;max-width:360px;color:#90a5be;font-size:13px}.footer-title{margin:4px 0 13px;color:#fff;font-size:14px}.footer-links{display:grid;gap:8px;font-size:13px;color:#a8bbcf}.footer-links a:hover{color:#fff}.filing{margin-top:20px;color:#8399b2;font-size:12px;line-height:1.9}.footer-quote{padding:17px;border:1px solid rgba(179,207,238,.16);border-radius:14px;background:rgba(255,255,255,.04);font-size:13px;color:#b8cbe0}.quote-avatar{display:inline-grid;place-items:center;width:27px;height:27px;margin-right:8px;border-radius:50%;background:#1f6ee4;color:#fff;font-size:12px;font-weight:800;vertical-align:middle}
    .fixed-bar{position:fixed;z-index:45;right:20px;bottom:17px;display:flex;align-items:center;gap:14px;padding:10px 11px 10px 16px;border:1px solid #cce0fb;border-radius:16px;background:rgba(255,255,255,.95);box-shadow:0 14px 35px rgba(17,49,95,.18);backdrop-filter:blur(12px)}.fixed-bar span{color:var(--ink);font-size:13px;font-weight:750}.fixed-bar .btn{padding:10px 13px;font-size:13px}
    @media(max-width:1120px){.nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:13px}.command-search{display:none}.hero-grid{gap:32px}.steps{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:850px){.nav-row{height:68px;gap:12px}.menu-toggle{display:block;margin-left:auto}.nav-tools{display:none}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 24px 20px;border-bottom:1px solid var(--line);background:#fff;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:11px 12px}.hero{padding:53px 0}.hero-grid,.split-story,.scene-layout,.quote-area,.guard-grid,.faq-wrap{grid-template-columns:1fr}.hero-topline{margin-bottom:25px}.pledge-panel{max-width:580px}.split-story{gap:29px}.story-photo,.story-photo img{min-height:330px;height:330px}.rule-grid{grid-template-columns:repeat(2,1fr)}.scene-photo img{min-height:300px}.quote-area img{min-height:250px}.quote-content{padding:34px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
    @media(max-width:520px){body{font-size:15px}.container{width:min(var(--max),calc(100% - 32px))}.brand{font-size:20px}.hero h1{font-size:35px;letter-spacing:-1.2px}.hero-copy{font-size:15px}.hero-actions,.hero-actions .btn{width:100%}.hero-mini{gap:17px}.section{padding:56px 0}.section-head{display:block;margin-bottom:25px}.section-intro{font-size:14px}.rule-grid,.steps{grid-template-columns:1fr}.notice{padding:16px}.story-photo,.story-photo img{height:250px;min-height:250px}.scene-photo img{min-height:235px}.quote-content{padding:29px 22px}.quote-content blockquote{font-size:19px}.guard-card,.guard-side{padding:24px}.cta{padding-bottom:82px}.cta-box{padding:35px 24px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.fixed-bar{right:10px;left:10px;bottom:10px;justify-content:space-between}.fixed-bar span{font-size:12px}.fixed-bar .btn{padding:10px 11px}}