/* roulang page: index */
:root{
      --navy:#0b1d36;
      --navy-2:#122b4b;
      --blue:#1769e0;
      --blue-2:#3289f4;
      --cyan:#57d3ef;
      --orange:#ff9d53;
      --paper:#f4f7fb;
      --white:#fff;
      --ink:#14243a;
      --muted:#6b7b91;
      --line:#e1e8f1;
      --soft:#edf4fc;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 55px rgba(25,56,96,.12);
      --shadow-sm:0 9px 28px rgba(25,56,96,.08);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(23,105,224,.3);outline-offset:3px}
    .page-shell{min-height:100vh}
    .side-nav{position:fixed;z-index:20;left:0;top:0;width:252px;height:100vh;background:var(--navy);color:#dce9f8;padding:28px 18px;display:flex;flex-direction:column;overflow-y:auto}
    .brand{display:flex;align-items:center;gap:12px;padding:4px 12px 30px;color:var(--white)}
    .brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(145deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#071931;font-weight:900;font-size:21px;box-shadow:0 8px 20px rgba(50,137,244,.28)}
    .brand strong{display:block;font-size:21px;letter-spacing:1px;line-height:1.25}
    .brand small{display:block;color:#87a5c5;font-size:11px;margin-top:2px;letter-spacing:1px}
    .nav-caption{padding:16px 14px 9px;color:#6f8eaf;font-size:11px;letter-spacing:2px}
    .main-nav{display:grid;gap:5px}
    .main-nav a{display:flex;align-items:center;gap:11px;padding:11px 13px;border:1px solid transparent;border-radius:13px;color:#b8cbe0;font-size:14px}
    .main-nav a span:first-child{width:23px;height:23px;display:grid;place-items:center;border-radius:7px;background:rgba(255,255,255,.07);font-size:12px;color:#a5d9ff}
    .main-nav a:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(3px)}
    .main-nav a.active{background:linear-gradient(90deg,rgba(50,137,244,.27),rgba(87,211,239,.08));border-color:rgba(87,211,239,.22);color:#fff;box-shadow:inset 3px 0 var(--cyan)}
    .nav-bottom{margin-top:auto;padding:16px 12px 4px}
    .nav-tip{padding:15px;border:1px solid rgba(255,255,255,.1);border-radius:16px;background:rgba(255,255,255,.045);font-size:12px;color:#9eb4ce}
    .nav-tip b{display:block;color:#fff;font-size:14px;margin-bottom:5px}
    .content{margin-left:252px;min-width:0}
    .topbar{height:70px;background:rgba(244,247,251,.88);backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,5vw,72px);position:relative;z-index:5;border-bottom:1px solid rgba(225,232,241,.8)}
    .crumb{font-size:13px;color:var(--muted)}
    .crumb b{color:var(--ink)}
    .top-actions{display:flex;align-items:center;gap:11px}
    .search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:30px;padding:7px 13px;color:var(--muted)}
    .search input{border:0;outline:0;width:140px;color:var(--ink);background:transparent;font-size:13px}
    .round-action{width:34px;height:34px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--blue)}
    .round-action:hover{background:var(--blue);color:#fff}
    .container{width:min(1180px,calc(100% - 48px));margin:auto}
    .hero{min-height:650px;position:relative;color:#fff;display:flex;align-items:center;overflow:hidden;background:#09182d url("/assets/images/backpic/back-1.webp") center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,17,34,.94) 0%,rgba(7,26,50,.72) 45%,rgba(7,24,47,.22) 100%)}
    .hero:after{content:"";position:absolute;right:-10%;bottom:-38%;width:70%;height:80%;border-radius:50%;background:rgba(49,150,233,.19);filter:blur(10px)}
    .hero-inner{position:relative;z-index:1;width:min(1180px,calc(100% - 48px));margin:auto;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
    .hero-copy{padding:54px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(150,223,255,.34);background:rgba(100,190,244,.12);padding:6px 12px;border-radius:30px;color:#aeeaff;font-size:12px;letter-spacing:1px}
    .pulse{width:7px;height:7px;border-radius:50%;background:#68e8bb;box-shadow:0 0 0 5px rgba(104,232,187,.13)}
    .hero h1{font-size:clamp(38px,5vw,70px);line-height:1.13;letter-spacing:-2px;margin:24px 0 22px;max-width:680px}
    .hero h1 em{font-style:normal;color:#77e0ff}
    .hero p{font-size:17px;line-height:1.9;color:#d4e2f0;max-width:600px}
    .hero-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border-radius:12px;font-weight:700;font-size:14px;border:1px solid transparent;transition:var(--ease)}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(23,105,224,.28)}
    .btn-primary:hover{background:#0e58c4;transform:translateY(-2px);box-shadow:0 14px 28px rgba(23,105,224,.34)}
    .btn-light{background:#fff;color:var(--navy)}
    .btn-light:hover{background:#dff6ff;transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);background:#fff;color:var(--blue)}
    .btn-outline:hover{border-color:var(--blue);background:var(--soft)}
    .hero-metrics{display:flex;gap:28px;margin-top:38px;padding-top:21px;border-top:1px solid rgba(255,255,255,.18)}
    .metric strong{display:block;font-size:25px;color:#fff;line-height:1.2}
    .metric span{font-size:12px;color:#9fb5cc}
    .hero-poster{position:relative;min-height:440px;display:flex;align-items:center;justify-content:center}
    .poster-main{position:relative;width:min(330px,75%);height:425px;border-radius:24px;overflow:hidden;box-shadow:22px 25px 70px rgba(0,0,0,.4);transform:rotate(3deg);border:6px solid rgba(255,255,255,.16)}
    .poster-main img{height:100%;filter:saturate(1.1)}
    .poster-main:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(4,14,29,.88))}
    .poster-label{position:absolute;z-index:2;left:24px;right:22px;bottom:24px}
    .poster-label small{color:#7de1fc;letter-spacing:2px}
    .poster-label b{display:block;font-size:26px;line-height:1.25;margin-top:6px}
    .heat-badge{position:absolute;z-index:3;top:39px;right:5%;background:var(--orange);color:#40200a;border-radius:14px;padding:12px 15px;box-shadow:0 12px 24px rgba(0,0,0,.22);transform:rotate(-6deg)}
    .heat-badge strong{display:block;font-size:20px;line-height:1.2}
    .heat-badge span{font-size:11px}
    .float-note{position:absolute;z-index:3;left:0;bottom:52px;background:rgba(10,30,55,.8);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.17);border-radius:16px;padding:13px 16px;width:190px}
    .float-note b{display:block;color:#fff;font-size:13px}.float-note span{color:#a7c2da;font-size:12px}
    main{overflow:hidden}
    section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:34px}
    .section-head h2{font-size:clamp(26px,3vw,40px);line-height:1.25;letter-spacing:-1px}
    .section-head p{max-width:570px;color:var(--muted);font-size:15px}
    .kicker{display:block;color:var(--blue);font-size:12px;letter-spacing:2px;font-weight:800;margin-bottom:11px}
    .light-band{background:#fff}
    .benefit-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .benefit-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);min-height:205px;transition:var(--ease)}
    .benefit-card:first-child{background:linear-gradient(145deg,#0d2c52,#165a9c);color:#fff;border:0}
    .benefit-card:hover,.topic-card:hover,.news-item:hover,.quote:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .icon-box{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--soft);color:var(--blue);font-size:20px;margin-bottom:20px}
    .benefit-card:first-child .icon-box{background:rgba(255,255,255,.13);color:#87e8ff}
    .benefit-card h3{font-size:18px;margin-bottom:8px}.benefit-card p{color:var(--muted);font-size:13px}.benefit-card:first-child p{color:#c8dded}
    .band{background:#eaf3fb;position:relative}
    .band:before{content:"";position:absolute;left:-8%;top:0;width:43%;height:100%;background:rgba(255,255,255,.4);clip-path:polygon(0 0,78% 0,100% 100%,0 100%)}
    .qualification{position:relative;z-index:1;display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
    .qualification-intro h2{font-size:37px;line-height:1.3;margin-bottom:16px}.qualification-intro p{color:var(--muted)}
    .check-list{display:grid;gap:14px}
    .check-item{display:grid;grid-template-columns:38px 1fr;gap:14px;align-items:start;padding:18px;background:#fff;border-radius:16px;border:1px solid rgba(204,220,235,.8)}
    .check-item i{font-style:normal;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#d8f6ed;color:#13966d;font-weight:900}
    .check-item b{display:block;font-size:15px;margin-bottom:3px}.check-item span{font-size:13px;color:var(--muted)}
    .topic-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:20px}
    .topic-card{position:relative;min-height:285px;border-radius:var(--radius);overflow:hidden;color:#fff;transition:var(--ease)}
    .topic-card img{height:100%;position:absolute;inset:0}
    .topic-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,21,40,.92),rgba(5,21,40,.05) 75%)}
    .topic-card-content{position:absolute;z-index:2;left:27px;right:27px;bottom:24px}
    .topic-card h3{font-size:24px;margin:8px 0 5px}.topic-card p{font-size:13px;color:#d9e8f4}
    .topic-side{display:grid;gap:20px}.topic-side .topic-card{min-height:132px}.topic-side .topic-card h3{font-size:18px}
    .label{display:inline-block;border-radius:20px;padding:4px 9px;background:rgba(103,218,245,.17);color:#a9edff;border:1px solid rgba(144,225,248,.25);font-size:11px}
    .data-section{background:var(--navy);color:#fff}.data-section .section-head p{color:#9eb5ce}.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .data-box{border:1px solid rgba(255,255,255,.13);border-radius:18px;padding:23px;background:rgba(255,255,255,.05)}
    .data-box strong{font-size:32px;color:#7ee5fc;display:block;line-height:1.2}.data-box span{color:#a6bdd4;font-size:13px}.data-box small{display:block;color:#6e8ba8;margin-top:9px;font-size:11px}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
    .flow:before{content:"";position:absolute;left:8%;right:8%;top:26px;border-top:1px dashed #b8cfe5}
    .flow-item{position:relative;text-align:center;padding:0 17px}.flow-num{margin:0 auto 19px;width:53px;height:53px;border-radius:50%;display:grid;place-items:center;color:#fff;background:var(--blue);border:7px solid #dcecff;font-size:15px;font-weight:800}.flow-item h3{font-size:16px;margin-bottom:7px}.flow-item p{color:var(--muted);font-size:13px}
    .latest{background:#fff}.latest-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:28px}.release-list{border-top:1px solid var(--line)}.release-row{display:grid;grid-template-columns:95px 1fr auto;align-items:center;gap:15px;padding:18px 0;border-bottom:1px solid var(--line)}.release-row time{font-size:12px;color:var(--blue);font-weight:700}.release-row b{font-size:14px}.release-row span{color:#35a77c;font-size:11px;background:#e8faf3;border-radius:12px;padding:3px 8px}
    .side-update{border-radius:var(--radius);padding:27px;background:#f0f6fc;border:1px solid #dae8f4}.side-update h3{font-size:20px;margin-bottom:13px}.side-update p{color:var(--muted);font-size:13px;margin-bottom:19px}.mini-stat{display:flex;justify-content:space-between;padding:13px 0;border-top:1px solid #d8e5f0;font-size:13px}.mini-stat b{color:var(--blue)}
    .news-section{background:#f7fafc}.news-layout{display:grid;grid-template-columns:1fr 310px;gap:25px}.news-list{display:grid;gap:12px}.news-item{display:grid;grid-template-columns:125px 1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:17px;padding:13px;transition:var(--ease)}.news-item img{height:92px;border-radius:11px}.news-item time{font-size:11px;color:var(--blue)}.news-item h3{font-size:16px;margin:3px 0 4px}.news-item p{font-size:12px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.read-more{font-size:12px;color:var(--blue);white-space:nowrap;font-weight:700}.recommend{background:var(--navy);color:#fff;border-radius:20px;padding:25px;align-self:start}.recommend h3{font-size:20px;margin-bottom:17px}.recommend article{padding:15px 0;border-top:1px solid rgba(255,255,255,.15)}.recommend article b{font-size:14px;display:block}.recommend article span{font-size:11px;color:#91abc5}
    .brand-story{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}.story-image{height:360px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.story-image img{height:100%}.story-copy h2{font-size:35px;line-height:1.3;margin-bottom:16px}.story-copy p{color:var(--muted);margin-bottom:16px}.story-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}.story-points div{padding:14px;background:#fff;border:1px solid var(--line);border-radius:13px;font-size:13px}.story-points b{display:block;color:var(--blue);font-size:18px}
    .quotes{background:#eaf3fb}.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.quote{background:#fff;border-radius:18px;padding:25px;border:1px solid var(--line);transition:var(--ease)}.stars{color:#ff9e3d;letter-spacing:3px;margin-bottom:13px}.quote p{font-size:14px;color:#50657d;min-height:80px}.quote footer{display:flex;align-items:center;gap:10px;margin-top:17px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.avatar{width:32px;height:32px;border-radius:50%;background:#d9ecff;color:var(--blue);display:grid;place-items:center;font-weight:800}
    .faq-section{background:#fff}.faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:65px}.faq-intro h2{font-size:35px;line-height:1.3}.faq-intro p{color:var(--muted);margin-top:13px}.faq-list{display:grid;gap:11px}.faq-item{border:1px solid var(--line);border-radius:14px;padding:17px 19px;background:#fff}.faq-item summary{cursor:pointer;list-style:none;font-weight:700;display:flex;justify-content:space-between;gap:15px}.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{color:var(--muted);font-size:13px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
    .form-section{background:linear-gradient(120deg,#e7f3ff,#f6fbff)}.form-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}.form-copy h2{font-size:38px;line-height:1.3}.form-copy p{color:var(--muted);margin:14px 0 20px}.contact-pills{display:grid;gap:10px}.contact-pills span{font-size:13px;color:#466078}.contact-pills b{color:var(--blue);margin-right:7px}.lead-form{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:28px;display:grid;gap:14px}.lead-form label{font-size:12px;color:#566d84;font-weight:700}.lead-form input,.lead-form textarea,.lead-form select{width:100%;margin-top:6px;border:1px solid var(--line);border-radius:10px;padding:11px 12px;color:var(--ink);background:#fbfdff;outline:0}.lead-form textarea{resize:vertical;min-height:86px}.lead-form input:focus,.lead-form textarea:focus,.lead-form select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,105,224,.09)}.form-note{font-size:11px;color:#8a99aa}
    .cta{padding:62px 0;background:var(--blue);color:#fff;position:relative;overflow:hidden}.cta:after{content:"";position:absolute;width:420px;height:420px;border:70px solid rgba(255,255,255,.08);border-radius:50%;right:-120px;top:-200px}.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{font-size:32px;line-height:1.3}.cta p{color:#cce5ff;margin-top:5px}.cta .btn-light{flex-shrink:0}
    footer{background:#08172b;color:#9cb2c9;padding:46px 0 25px}.footer-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr .9fr;gap:35px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand{color:#fff;font-size:22px;font-weight:800;margin-bottom:10px}.footer-grid p{font-size:12px;line-height:1.8}.footer-col h3{font-size:13px;color:#fff;margin-bottom:13px}.footer-col a{display:block;font-size:12px;margin:8px 0;color:#9cb2c9}.footer-col a:hover{color:#7ce1fa}.footer-bottom{display:flex;justify-content:space-between;gap:15px;align-items:center;padding-top:20px;font-size:11px}.footer-bottom a{color:#a9d7f4;margin-left:10px}.mobile-toggle{display:none}
    @media(max-width:1100px){.side-nav{width:220px}.content{margin-left:220px}.hero-inner{gap:25px}.container{width:min(100% - 38px,1100px)}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-grid .footer-col:last-child{grid-column:2}}
    @media(max-width:820px){.side-nav{position:relative;width:100%;height:auto;padding:12px 18px;display:block}.brand{padding:4px 0 12px}.nav-caption,.nav-tip{display:none}.main-nav{display:flex;overflow-x:auto;padding-bottom:3px}.main-nav a{white-space:nowrap;padding:9px 11px;font-size:12px}.main-nav a span:first-child{display:none}.content{margin-left:0}.topbar{height:58px;padding:0 20px}.search{display:none}.hero{min-height:auto}.hero-inner{grid-template-columns:1fr;padding:45px 0}.hero-copy{padding:0}.hero h1{font-size:45px}.hero-poster{min-height:350px}.poster-main{height:330px}.float-note{left:7%;bottom:20px}.qualification,.brand-story,.faq-grid,.form-wrap{grid-template-columns:1fr;gap:30px}.benefit-grid{grid-template-columns:1fr 1fr}.benefit-card:first-child{grid-column:span 2}.topic-layout,.latest-layout,.news-layout{grid-template-columns:1fr}.data-grid{grid-template-columns:repeat(2,1fr)}.flow{grid-template-columns:repeat(2,1fr);gap:28px}.flow:before{display:none}.quote-grid{grid-template-columns:1fr}.story-image{height:280px}.cta-inner{display:block}.cta .btn{margin-top:22px}}
    @media(max-width:520px){body{font-size:14px}.container,.hero-inner{width:calc(100% - 30px)}section{padding:58px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:12px}.hero h1{font-size:36px;letter-spacing:-1px}.hero p{font-size:15px}.hero-metrics{gap:16px}.metric strong{font-size:20px}.hero-poster{min-height:300px}.poster-main{height:290px;width:72%}.heat-badge{right:0;top:25px}.benefit-grid,.data-grid,.story-points{grid-template-columns:1fr}.benefit-card:first-child{grid-column:auto}.topic-card{min-height:240px}.news-item{grid-template-columns:82px 1fr;gap:12px}.news-item img{height:78px}.news-item .read-more{grid-column:2}.release-row{grid-template-columns:75px 1fr}.release-row span{display:none}.flow{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid .footer-col:last-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:10px}.footer-bottom a{margin-left:0;margin-right:10px}.form-copy h2,.faq-intro h2{font-size:29px}.cta h2{font-size:26px}}

/* roulang page: category3 */
:root{
      --navy:#0b1d36;
      --navy-2:#122b4b;
      --blue:#1769e0;
      --blue-2:#3289f4;
      --cyan:#57d3ef;
      --orange:#ff9d53;
      --paper:#f4f7fb;
      --white:#fff;
      --ink:#14243a;
      --muted:#6b7b91;
      --line:#e1e8f1;
      --soft:#edf4fc;
      --green:#18a878;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 55px rgba(25,56,96,.12);
      --shadow-sm:0 9px 28px rgba(25,56,96,.08);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    .side-nav{position:fixed;z-index:20;left:0;top:0;width:252px;height:100vh;background:var(--navy);color:#dce9f8;padding:28px 18px;display:flex;flex-direction:column;overflow-y:auto}
    .brand{display:flex;align-items:center;gap:12px;padding:4px 12px 30px;color:var(--white)}
    .brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(145deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#071931;font-weight:900;font-size:21px;box-shadow:0 8px 20px rgba(50,137,244,.28)}
    .brand strong{display:block;font-size:21px;letter-spacing:1px;line-height:1.25}
    .brand small{display:block;color:#87a5c5;font-size:11px;margin-top:2px;letter-spacing:1px}
    .nav-caption{padding:16px 14px 9px;color:#6f8eaf;font-size:11px;letter-spacing:2px}
    .main-nav{display:grid;gap:5px}
    .main-nav a{display:flex;align-items:center;gap:11px;padding:11px 13px;border:1px solid transparent;border-radius:13px;color:#b8cbe0;font-size:14px}
    .main-nav a span:first-child{width:23px;height:23px;display:grid;place-items:center;border-radius:7px;background:rgba(255,255,255,.07);font-size:12px;color:#a5d9ff}
    .main-nav a:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(3px)}
    .main-nav a.active{background:linear-gradient(90deg,rgba(50,137,244,.27),rgba(87,211,239,.08));border-color:rgba(87,211,239,.22);color:#fff;box-shadow:inset 3px 0 var(--cyan)}
    .nav-bottom{margin-top:auto;padding:16px 12px 4px}
    .nav-tip{padding:15px;border:1px solid rgba(255,255,255,.1);border-radius:16px;background:rgba(255,255,255,.045);font-size:12px;color:#9eb4ce}
    .nav-tip b{display:block;color:#fff;font-size:14px;margin-bottom:5px}
    .page-shell{margin-left:252px;min-height:100vh}
    .topbar{height:70px;background:rgba(244,247,251,.88);backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,5vw,72px);position:relative;z-index:5;border-bottom:1px solid rgba(225,232,241,.8)}
    .crumb{color:var(--muted);font-size:13px}
    .crumb strong{color:var(--ink);font-weight:700}
    .search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:30px;padding:7px 13px;color:var(--muted)}
    .search input{border:0;outline:0;width:140px;color:var(--ink);background:transparent;font-size:13px}
    .container{width:min(1180px,calc(100% - 48px));margin:auto}
    .hero-sub{position:relative;color:#fff;min-height:430px;display:flex;align-items:center;overflow:hidden;background:#0b203b url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
    .hero-sub:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,22,43,.95),rgba(10,43,79,.72) 56%,rgba(10,29,54,.3))}
    .hero-sub .container{position:relative;z-index:1}
    .hero-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(150,223,255,.34);background:rgba(100,190,244,.12);padding:6px 12px;border-radius:30px;color:#aeeaff;font-size:12px;letter-spacing:1px}
    h1{font-size:clamp(38px,5vw,64px);line-height:1.15;letter-spacing:-2px;margin:20px 0 18px}
    .hero-sub h1 em{font-style:normal;color:#77e0ff}
    .hero-sub p{max-width:650px;color:#d5e4f3;font-size:17px;margin:0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border-radius:12px;font-weight:700;font-size:14px;border:1px solid transparent;transition:var(--ease)}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(23,105,224,.28)}
    .btn-primary:hover{background:#0e58c4;transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--navy)}
    .btn-light:hover{background:#dff6ff;transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);background:#fff;color:var(--blue)}
    .btn-outline:hover{border-color:var(--blue);background:var(--soft)}
    .icon-board{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:390px;margin-left:auto}
    .icon-tile{min-height:100px;padding:17px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);border-radius:18px;backdrop-filter:blur(12px)}
    .icon-tile b{display:block;color:#fff;font-size:26px;margin-bottom:5px}
    .icon-tile span{font-size:12px;color:#c6d9ea}
    section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:32px}
    .section-head h2{font-size:clamp(26px,3vw,40px);line-height:1.25;letter-spacing:-1px;margin:0}
    .section-head p{max-width:570px;color:var(--muted);font-size:15px;margin:0}
    .kicker{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:2px;margin-bottom:9px;text-transform:uppercase}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-38px;position:relative;z-index:2}
    .metric{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow-sm)}
    .metric strong{font-size:31px;color:var(--blue);line-height:1.2}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
    .metric small{display:block;color:var(--green);font-size:12px;margin-top:10px}
    .intro-grid{display:grid;grid-template-columns:.84fr 1.16fr;gap:44px;align-items:center}
    .intro-image{height:385px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .intro-image img{height:100%}
    .intro-copy p{color:var(--muted);margin:0 0 16px}
    .quote-line{border-left:4px solid var(--cyan);padding:12px 0 12px 20px;color:var(--navy);font-size:19px;font-weight:700;margin:23px 0}
    .matrix{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
    .matrix-main,.matrix-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:30px}
    .matrix-main{background:linear-gradient(145deg,#0d2c52,#165a9c);color:#fff}
    .matrix-main p{color:#c9deef}
    .service-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
    .service-item{padding:17px;border-radius:15px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16)}
    .service-item b{display:block;font-size:16px;margin-bottom:4px}
    .service-item span{color:#c6d9ea;font-size:13px}
    .matrix-side h3{margin-top:0}
    .status-row{padding:14px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;font-size:14px}
    .status-row:last-child{border-bottom:0}
    .status{color:var(--green);font-weight:700}
    .status.wait{color:var(--orange)}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--ease)}
    .scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .scene-card img{height:180px}
    .scene-card div{padding:22px}
    .scene-card h3{margin:0 0 8px;font-size:19px}
    .scene-card p{color:var(--muted);font-size:14px;margin:0}
    .compare{background:var(--navy);color:#fff}
    .compare .section-head p{color:#a9bed5}
    .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-card{padding:27px;border-radius:20px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06)}
    .compare-card.highlight{background:linear-gradient(145deg,rgba(23,105,224,.56),rgba(18,43,75,.9));border-color:rgba(87,211,239,.4)}
    .compare-card h3{margin-top:0;font-size:21px}
    .compare-card ul{list-style:none;padding:0;margin:18px 0 0}
    .compare-card li{padding:11px 0;border-top:1px solid rgba(255,255,255,.14);color:#c7d9ea}
    .compare-card li:before{content:"✓";color:var(--cyan);font-weight:800;margin-right:9px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
    .process-step{padding:26px 22px;position:relative;border-right:1px solid var(--line)}
    .process-step:last-child{border-right:0}
    .process-step .num{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:var(--soft);color:var(--blue);font-weight:800;margin-bottom:18px}
    .process-step h3{font-size:17px;margin:0 0 8px}
    .process-step p{color:var(--muted);font-size:13px;margin:0}
    .data-strip{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;align-items:stretch}
    .data-panel{padding:27px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .data-panel h3{margin:0 0 15px}
    .bar{height:9px;border-radius:10px;background:#e9eff6;overflow:hidden;margin:12px 0 7px}
    .bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue),var(--cyan))}
    .data-panel small{color:var(--muted)}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:17px 20px;box-shadow:var(--shadow-sm)}
    summary{cursor:pointer;font-weight:700;color:var(--navy);list-style:none;display:flex;justify-content:space-between;gap:12px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";color:var(--blue);font-size:20px;line-height:1}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);font-size:14px;margin:12px 0 2px}
    .cta{padding:70px 0;background:linear-gradient(105deg,#e4f4ff,#f8fbff)}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:36px 42px;background:#fff;border:1px solid #d6e8f7;border-radius:var(--radius);box-shadow:var(--shadow)}
    .cta-box h2{margin:0 0 8px;font-size:30px}
    .cta-box p{color:var(--muted);margin:0;max-width:650px}
    .cta-box .btn{flex:none}
    footer{margin-left:252px;background:#fff;border-top:1px solid var(--line);padding:28px clamp(22px,5vw,72px);display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    footer .avatar{width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:var(--navy);color:#fff;font-weight:800}
    footer a{color:var(--blue)}
    footer a:hover{text-decoration:underline}
    .footer-links{margin-left:auto;display:flex;gap:16px;flex-wrap:wrap}
    :focus-visible{outline:3px solid rgba(23,105,224,.35);outline-offset:3px}
    @media(max-width:1100px){
      .side-nav{width:220px}
      .page-shell,footer{margin-left:220px}
      .hero-layout,.intro-grid,.matrix{grid-template-columns:1fr}
      .icon-board{margin:0;max-width:500px}
    }
    @media(max-width:768px){
      .side-nav{position:relative;width:100%;height:auto;padding:16px 18px}
      .brand{padding:4px 8px 14px}
      .nav-caption{display:none}
      .main-nav{display:flex;overflow-x:auto;padding-bottom:4px}
      .main-nav a{white-space:nowrap;padding:9px 11px}
      .nav-bottom{display:none}
      .page-shell,footer{margin-left:0}
      .topbar{height:58px;padding:0 24px}
      .search input{width:95px}
      .hero-sub{min-height:570px}
      .hero-sub .container{padding-top:48px;padding-bottom:48px}
      .metrics{grid-template-columns:1fr 1fr;margin-top:-25px}
      .scene-grid,.data-strip{grid-template-columns:1fr 1fr}
      .process{grid-template-columns:1fr 1fr}
      .process-step:nth-child(2){border-right:0}
      .process-step:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .faq-list{grid-template-columns:1fr}
      .cta-box{align-items:flex-start;flex-direction:column;padding:30px}
      footer{padding:24px}
      .footer-links{margin-left:0;width:100%}
    }
    @media(max-width:520px){
      .container{width:min(100% - 32px,1180px)}
      .topbar{padding:0 16px}
      .crumb{font-size:12px}
      .search{padding:6px 9px}
      .search input{width:70px}
      h1{font-size:39px}
      .hero-sub p{font-size:15px}
      section{padding:60px 0}
      .section-head{display:block;margin-bottom:24px}
      .section-head p{margin-top:12px}
      .icon-board,.metrics,.scene-grid,.service-list,.compare-grid,.data-strip,.process{grid-template-columns:1fr}
      .process-step{border-right:0;border-bottom:1px solid var(--line)}
      .process-step:last-child{border-bottom:0}
      .process-step:nth-child(2){border-bottom:1px solid var(--line)}
      .intro-image{height:270px}
      .matrix-main,.matrix-side{padding:23px}
      .cta-box h2{font-size:25px}
    }

/* roulang page: category2 */
:root{
 --navy:#0b1d36;
 --navy-2:#122b4b;
 --blue:#1769e0;
 --blue-2:#3289f4;
 --cyan:#57d3ef;
 --orange:#ff9d53;
 --paper:#f4f7fb;
 --white:#fff;
 --ink:#14243a;
 --muted:#6b7b91;
 --line:#e1e8f1;
 --soft:#edf4fc;
 --radius:22px;
 --radius-sm:14px;
 --shadow:0 18px 55px rgba(25,56,96,.12);
 --shadow-sm:0 9px 28px rgba(25,56,96,.08);
 --ease:all .28s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{display:block;width:100%;max-width:100%;object-fit:cover}
button,input,textarea{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(1180px,calc(100% - 48px));margin:auto}
.side-nav{position:fixed;z-index:20;left:0;top:0;width:252px;height:100vh;background:var(--navy);color:#dce9f8;padding:28px 18px;display:flex;flex-direction:column;overflow-y:auto}
.brand{display:flex;align-items:center;gap:12px;padding:4px 12px 30px;color:var(--white)}
.brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(145deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#071931;font-weight:900;font-size:21px;box-shadow:0 8px 20px rgba(50,137,244,.28)}
.brand strong{display:block;font-size:21px;letter-spacing:1px;line-height:1.25}
.brand small{display:block;color:#87a5c5;font-size:11px;margin-top:2px;letter-spacing:1px}
.nav-caption{padding:16px 14px 9px;color:#6f8eaf;font-size:11px;letter-spacing:2px}
.main-nav{display:grid;gap:5px}
.main-nav a{display:flex;align-items:center;gap:11px;padding:11px 13px;border:1px solid transparent;border-radius:13px;color:#b8cbe0;font-size:14px}
.main-nav a span:first-child{width:23px;height:23px;display:grid;place-items:center;border-radius:7px;background:rgba(255,255,255,.07);font-size:12px;color:#a5d9ff}
.main-nav a:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(3px)}
.main-nav a.active{background:linear-gradient(90deg,rgba(50,137,244,.27),rgba(87,211,239,.08));border-color:rgba(87,211,239,.22);color:#fff;box-shadow:inset 3px 0 var(--cyan)}
.nav-bottom{margin-top:auto;padding:16px 12px 4px}
.nav-tip{padding:15px;border:1px solid rgba(255,255,255,.1);border-radius:16px;background:rgba(255,255,255,.045);font-size:12px;color:#9eb4ce}
.nav-tip b{display:block;color:#fff;font-size:14px;margin-bottom:5px}
.topbar{height:70px;background:rgba(244,247,251,.88);backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,5vw,72px);position:relative;z-index:5;border-bottom:1px solid rgba(225,232,241,.8)}
.content-shell{margin-left:252px;min-height:100vh}
.search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:30px;padding:7px 13px;color:var(--muted)}
.search input{border:0;outline:0;width:140px;color:var(--ink);background:transparent;font-size:13px}
.topbar-note{font-size:13px;color:var(--muted)}
.hero{min-height:560px;position:relative;color:#fff;display:flex;align-items:center;overflow:hidden;background:#09182d url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,17,34,.95),rgba(7,26,50,.68) 54%,rgba(7,24,47,.25))}
.hero-inner{position:relative;z-index:1;width:min(1180px,calc(100% - 48px));margin:auto;display:grid;grid-template-columns:1.08fr .92fr;gap:55px;align-items:center}
.hero-copy{padding:60px 0}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(150,223,255,.34);background:rgba(100,190,244,.12);padding:6px 12px;border-radius:30px;color:#aeeaff;font-size:12px;letter-spacing:1px}
.hero h1{font-size:clamp(38px,5vw,68px);line-height:1.13;letter-spacing:-2px;margin:22px 0 20px;max-width:700px}
.hero h1 em{font-style:normal;color:#77e0ff}
.hero p{font-size:17px;line-height:1.9;color:#d4e2f0;max-width:630px}
.hero-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border-radius:12px;font-weight:700;font-size:14px;border:1px solid transparent;transition:var(--ease)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(23,105,224,.28)}
.btn-primary:hover{background:#0e58c4;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:#dff6ff;transform:translateY(-2px)}
.btn-outline{border-color:var(--line);background:#fff;color:var(--blue)}
.btn-outline:hover{border-color:var(--blue);background:var(--soft)}
.hero-stats{display:flex;gap:26px;margin-top:35px;padding-top:20px;border-top:1px solid rgba(255,255,255,.2)}
.hero-stats strong{display:block;color:#fff;font-size:25px;line-height:1.2}
.hero-stats span{font-size:12px;color:#aac2da}
.hero-panel{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(14px);border-radius:26px;padding:24px;box-shadow:0 22px 60px rgba(0,0,0,.25)}
.panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.panel-top b{font-size:17px}
.live{font-size:11px;color:#c4f5ff;background:rgba(87,211,239,.15);border-radius:20px;padding:4px 9px}
.match-card{background:#fff;color:var(--ink);border-radius:18px;padding:18px;margin-bottom:12px}
.match-card:last-child{margin-bottom:0}
.match-line{display:flex;justify-content:space-between;align-items:center;margin-bottom:11px;color:var(--muted);font-size:12px}
.match-teams{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;text-align:center;gap:10px}
.team b{display:block;font-size:14px}
.team small{color:var(--muted);font-size:11px}
.score{font-size:25px;font-weight:800;color:var(--blue)}
section{padding:82px 0}
.section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:32px}
.section-head h2{font-size:clamp(26px,3vw,40px);line-height:1.25;letter-spacing:-1px}
.section-head p{max-width:570px;color:var(--muted);font-size:15px}
.kicker{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:2px;margin-bottom:8px}
.dashboard{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:16px}
.metric-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow-sm)}
.metric-card.featured{background:var(--navy);color:#fff}
.metric-card h3{font-size:16px;margin-bottom:10px}
.metric-card strong{font-size:38px;line-height:1.2}
.metric-card p{color:var(--muted);font-size:13px;margin-top:9px}
.metric-card.featured p{color:#b7cce2}
.trend{display:flex;align-items:end;gap:7px;height:70px;margin-top:15px}
.trend i{display:block;width:13%;border-radius:6px 6px 2px 2px;background:linear-gradient(var(--cyan),var(--blue));opacity:.9}
.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.matrix-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;transition:var(--ease)}
.matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.icon{width:40px;height:40px;border-radius:12px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-weight:900;margin-bottom:17px}
.matrix-card h3{font-size:17px;margin-bottom:7px}
.matrix-card p{color:var(--muted);font-size:13px}
.feature-band{background:#eaf3fc}
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.image-wrap{position:relative}
.image-wrap img{height:390px;border-radius:26px;box-shadow:var(--shadow)}
.image-tag{position:absolute;left:20px;bottom:20px;background:#fff;border-radius:14px;padding:13px 16px;box-shadow:var(--shadow-sm);font-size:13px}
.copy h2{font-size:clamp(28px,3vw,42px);line-height:1.3;margin-bottom:17px}
.copy>p{color:var(--muted);margin-bottom:22px}
.check-list{display:grid;gap:12px}
.check-list li{list-style:none;display:flex;gap:11px;align-items:flex-start}
.check-list li:before{content:"✓";flex:0 0 23px;height:23px;border-radius:50%;display:grid;place-items:center;background:#d9f5f8;color:#087c9e;font-weight:bold;margin-top:2px}
.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.result-card{border-radius:var(--radius);padding:28px;background:#fff;border:1px solid var(--line)}
.result-card.dark{background:var(--navy);color:#fff}
.result-card h3{font-size:20px;margin-bottom:18px}
.compare{display:grid;gap:13px}
.compare-row{display:grid;grid-template-columns:110px 1fr 48px;gap:12px;align-items:center;font-size:13px}
.bar{height:9px;background:#eaf0f6;border-radius:20px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue),var(--cyan))}
.result-card.dark .bar{background:rgba(255,255,255,.14)}
.result-card.dark .bar i{background:linear-gradient(90deg,var(--cyan),#fff)}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.process-item{padding:25px 22px 10px;border-right:1px solid var(--line);position:relative}
.process-item:last-child{border-right:0}
.process-item b{display:grid;place-items:center;width:34px;height:34px;background:var(--blue);color:#fff;border-radius:10px;margin-bottom:16px}
.process-item h3{font-size:16px;margin-bottom:7px}
.process-item p{color:var(--muted);font-size:13px}
.scene-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.scene-card{min-height:210px;padding:27px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.scene-card.photo{color:#fff;background:linear-gradient(90deg,rgba(8,27,51,.92),rgba(8,27,51,.35)),url("/assets/images/coverpic/cover-5.webp") center/cover}
.scene-card h3{font-size:21px;margin-bottom:9px}
.scene-card p{color:var(--muted);font-size:14px;max-width:520px}
.scene-card.photo p{color:#d7e5f3}
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:13px}
details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;transition:var(--ease)}
details:hover{border-color:#b7d3f4}
summary{cursor:pointer;font-weight:700;list-style:none;padding-right:25px;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:21px;top:-3px}
details[open] summary:after{content:"−"}
details p{color:var(--muted);font-size:14px;padding-top:12px}
.cta{padding:58px 0;background:var(--navy);color:#fff}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{font-size:clamp(27px,3vw,42px);line-height:1.3;margin-bottom:10px}
.cta p{color:#bcd0e3;max-width:650px}
.cta .btn{white-space:nowrap}
footer{background:#07172b;color:#b8cbe0;padding:28px max(24px,calc((100% - 1180px)/2));display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px}
.avatar{width:35px;height:35px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:bold}
.footer-links{margin-left:auto;display:flex;gap:17px;flex-wrap:wrap}
.footer-links a:hover{color:#fff}
.notice{padding:15px 18px;background:#fff7ed;border:1px solid #ffe0be;border-radius:14px;color:#9a5c25;font-size:13px}
@media(max-width:1100px){
 .side-nav{width:220px}.content-shell{margin-left:220px}
 .dashboard{grid-template-columns:1fr 1fr}.metric-card.featured{grid-column:span 2}
 .matrix{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .side-nav{position:relative;width:100%;height:auto;padding:16px 18px}
 .brand{padding:2px 5px 15px}.nav-caption{display:none}
 .main-nav{display:flex;overflow-x:auto;padding-bottom:3px}.main-nav a{flex:0 0 auto;padding:9px 11px}
 .nav-bottom{display:none}.content-shell{margin-left:0}
 .topbar{height:58px;padding:0 20px}.topbar-note{display:none}
 .hero{min-height:auto}.hero-inner{grid-template-columns:1fr;gap:10px}.hero-copy{padding:70px 0 28px}.hero-panel{margin-bottom:55px}
 section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:10px}
 .split,.scene-grid{grid-template-columns:1fr;gap:28px}.image-wrap img{height:300px}
 .process{grid-template-columns:1fr 1fr;border-top:0;gap:10px}.process-item{border:1px solid var(--line);border-radius:16px;padding:20px}
 .faq-list,.result-grid{grid-template-columns:1fr}.cta-inner{display:block}.cta .btn{margin-top:24px}
 footer{padding:25px 24px}.footer-links{margin-left:0;width:100%}
}
@media(max-width:520px){
 .container,.hero-inner{width:min(100% - 32px,1180px)}
 .search input{width:95px}.hero h1{font-size:39px}.hero p{font-size:15px}
 .hero-stats{gap:15px}.hero-stats strong{font-size:21px}
 .dashboard,.matrix{grid-template-columns:1fr}.metric-card.featured{grid-column:auto}
 .process{grid-template-columns:1fr}.compare-row{grid-template-columns:80px 1fr 40px}
 .section-head h2{font-size:29px}
}

/* roulang page: category4 */
:root{
      --navy:#0b1d36;
      --navy-2:#122b4b;
      --blue:#1769e0;
      --blue-2:#3289f4;
      --cyan:#57d3ef;
      --orange:#ff9d53;
      --paper:#f4f7fb;
      --white:#fff;
      --ink:#14243a;
      --muted:#6b7b91;
      --line:#e1e8f1;
      --soft:#edf4fc;
      --green:#24b47e;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 55px rgba(25,56,96,.12);
      --shadow-sm:0 9px 28px rgba(25,56,96,.08);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(50,137,244,.35);outline-offset:3px}
    .side-nav{position:fixed;z-index:20;left:0;top:0;width:252px;height:100vh;background:var(--navy);color:#dce9f8;padding:28px 18px;display:flex;flex-direction:column;overflow-y:auto}
    .brand{display:flex;align-items:center;gap:12px;padding:4px 12px 30px;color:var(--white)}
    .brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(145deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#071931;font-weight:900;font-size:21px;box-shadow:0 8px 20px rgba(50,137,244,.28)}
    .brand strong{display:block;font-size:21px;letter-spacing:1px;line-height:1.25}
    .brand small{display:block;color:#87a5c5;font-size:11px;margin-top:2px;letter-spacing:1px}
    .nav-caption{padding:16px 14px 9px;color:#6f8eaf;font-size:11px;letter-spacing:2px}
    .main-nav{display:grid;gap:5px}
    .main-nav a{display:flex;align-items:center;gap:11px;padding:11px 13px;border:1px solid transparent;border-radius:13px;color:#b8cbe0;font-size:14px}
    .main-nav a span:first-child{width:23px;height:23px;display:grid;place-items:center;border-radius:7px;background:rgba(255,255,255,.07);font-size:12px;color:#a5d9ff}
    .main-nav a:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(3px)}
    .main-nav a.active{background:linear-gradient(90deg,rgba(50,137,244,.27),rgba(87,211,239,.08));border-color:rgba(87,211,239,.22);color:#fff;box-shadow:inset 3px 0 var(--cyan)}
    .nav-bottom{margin-top:auto;padding:16px 12px 4px}
    .nav-tip{padding:15px;border:1px solid rgba(255,255,255,.1);border-radius:16px;background:rgba(255,255,255,.045);font-size:12px;color:#9eb4ce}
    .nav-tip b{display:block;color:#fff;font-size:14px;margin-bottom:5px}
    .page{margin-left:252px;min-height:100vh}
    .topbar{height:70px;background:rgba(244,247,251,.9);backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,5vw,72px);position:relative;z-index:5;border-bottom:1px solid rgba(225,232,241,.8)}
    .crumb{color:var(--muted);font-size:13px}
    .crumb b{color:var(--blue);font-weight:700}
    .search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:30px;padding:7px 13px;color:var(--muted)}
    .search input{border:0;outline:0;width:145px;color:var(--ink);background:transparent;font-size:13px}
    .container{width:min(1180px,calc(100% - 48px));margin:auto}
    section{padding:84px 0}
    .page-banner{position:relative;min-height:420px;color:#fff;display:flex;align-items:center;overflow:hidden;background:#09182d url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
    .page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,17,34,.95),rgba(7,26,50,.73) 54%,rgba(7,24,47,.25))}
    .banner-inner{position:relative;z-index:1;width:min(1180px,calc(100% - 48px));margin:auto;display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:50px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(150,223,255,.34);background:rgba(100,190,244,.12);padding:6px 12px;border-radius:30px;color:#aeeaff;font-size:12px;letter-spacing:1px}
    .page-banner h1{font-size:clamp(36px,5vw,66px);line-height:1.16;letter-spacing:-2px;margin:22px 0 16px}
    .page-banner h1 em{font-style:normal;color:#77e0ff}
    .page-banner p{max-width:650px;color:#d4e2f0;font-size:17px;margin:0}
    .banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border-radius:12px;font-weight:700;font-size:14px;border:1px solid transparent;transition:var(--ease)}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(23,105,224,.28)}
    .btn-primary:hover{background:#0e58c4;transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--navy)}
    .btn-light:hover{background:#dff6ff;transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);background:#fff;color:var(--blue)}
    .btn-outline:hover{border-color:var(--blue);background:var(--soft)}
    .count-panel{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(14px);border-radius:24px;padding:25px;box-shadow:0 20px 60px rgba(0,0,0,.18)}
    .count-panel h3{font-size:18px;margin:0 0 18px}
    .countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
    .count-box{background:rgba(3,17,36,.48);border-radius:14px;padding:13px 5px;text-align:center}
    .count-box strong{display:block;font-size:25px;color:#fff;line-height:1.2}
    .count-box span{font-size:11px;color:#a9c2db}
    .count-note{color:#bad0e5;font-size:12px;margin:16px 0 0}
    .section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:32px}
    .section-kicker{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase}
    .section-head h2{font-size:clamp(26px,3vw,40px);line-height:1.25;letter-spacing:-1px;margin:5px 0 0}
    .section-head p{max-width:570px;color:var(--muted);font-size:15px;margin:0}
    .metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .metric{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
    .metric:after{content:"";position:absolute;width:80px;height:80px;border-radius:50%;right:-30px;top:-30px;background:var(--soft)}
    .metric strong{display:block;color:var(--blue);font-size:32px;line-height:1.2;position:relative;z-index:1}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:8px}
    .matrix{display:grid;grid-template-columns:1fr 1.35fr;gap:22px;align-items:stretch}
    .matrix-intro{background:var(--navy);color:#fff;border-radius:var(--radius);padding:34px;display:flex;flex-direction:column;justify-content:space-between;min-height:390px}
    .matrix-intro h3{font-size:28px;line-height:1.35;margin:14px 0}
    .matrix-intro p{color:#b8cbe0;margin:0}
    .matrix-mark{width:58px;height:58px;display:grid;place-items:center;border-radius:18px;background:rgba(87,211,239,.15);color:var(--cyan);font-size:27px}
    .matrix-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .matrix-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;transition:var(--ease)}
    .matrix-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .matrix-item .icon{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:var(--soft);color:var(--blue);font-weight:900;margin-bottom:15px}
    .matrix-item h4{margin:0 0 7px;font-size:17px}
    .matrix-item p{margin:0;color:var(--muted);font-size:13px}
    .feature-band{background:#fff}
    .feature-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;align-items:center}
    .feature-image{height:390px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative}
    .feature-image img{height:100%}
    .image-label{position:absolute;left:20px;bottom:20px;background:rgba(11,29,54,.83);color:#fff;border-radius:12px;padding:10px 14px;font-size:13px}
    .feature-copy h2{font-size:36px;line-height:1.3;margin:8px 0 16px}
    .feature-copy>p{color:var(--muted);font-size:16px}
    .check-list{display:grid;gap:13px;margin:24px 0 0;padding:0;list-style:none}
    .check-list li{display:flex;gap:12px;align-items:flex-start}
    .check-list i{font-style:normal;color:var(--green);font-weight:900;font-size:18px}
    .check-list span{color:#40536d}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .compare-card{padding:28px;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
    .compare-card.highlight{background:linear-gradient(145deg,#0d2c52,#165a9c);color:#fff;border:0}
    .compare-card h3{margin:0 0 20px;font-size:21px}
    .compare-row{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
    .highlight .compare-row{border-color:rgba(255,255,255,.15);color:#d9e8f6}
    .compare-row b{color:var(--blue)}
    .highlight .compare-row b{color:#82e6ff}
    .scenes{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:16px}
    .scene{min-height:245px;border-radius:var(--radius);overflow:hidden;position:relative;color:#fff;background:#193554}
    .scene:first-child{grid-row:span 2;min-height:506px}
    .scene img{height:100%;position:absolute;inset:0;opacity:.78}
    .scene:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,17,34,.88),transparent 70%)}
    .scene-content{position:absolute;z-index:1;left:22px;right:22px;bottom:22px}
    .scene-content h3{margin:0 0 5px;font-size:20px}
    .scene-content p{margin:0;color:#d3e0ed;font-size:13px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
    .step{padding:28px 22px;position:relative;border-right:1px solid var(--line)}
    .step:last-child{border-right:0}
    .step-number{width:36px;height:36px;border-radius:11px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-weight:900;margin-bottom:16px}
    .step h3{font-size:17px;margin:0 0 8px}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:var(--ease)}
    .quote-mark{font-size:32px;color:var(--cyan);line-height:1}
    .quote p{color:#52647b;margin:11px 0 20px}
    .quote footer{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:13px}
    .avatar{width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:45px;align-items:start}
    .faq-intro h2{font-size:35px;line-height:1.3;margin:6px 0 14px}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:11px}
    details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:0 20px}
    summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:700;position:relative;padding-right:30px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:21px;font-weight:400}
    details[open] summary:after{content:"−"}
    details p{margin:0 0 18px;color:var(--muted);font-size:14px}
    .cta{padding:0 0 88px}
    .cta-box{background:linear-gradient(110deg,#0b1d36,#1769e0);border-radius:28px;padding:42px 48px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px;overflow:hidden;position:relative}
    .cta-box:after{content:"";position:absolute;width:330px;height:330px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:8%;top:-180px}
    .cta-box h2{font-size:30px;margin:0 0 8px;position:relative;z-index:1}
    .cta-box p{color:#c7daee;margin:0;position:relative;z-index:1}
    .cta-form{position:relative;z-index:1;display:flex;gap:9px;min-width:380px}
    .cta-form input{min-width:0;flex:1;border:0;border-radius:11px;padding:12px 14px;outline:0}
    .site-footer{background:var(--navy);color:#a7bdd5;padding:28px 0}
    .footer-inner{width:min(1180px,calc(100% - 48px));margin:auto;display:flex;justify-content:space-between;gap:25px;align-items:center;flex-wrap:wrap}
    .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800}
    .footer-brand .avatar{background:linear-gradient(145deg,var(--cyan),var(--blue));color:var(--navy)}
    .footer-meta{font-size:12px;line-height:2;color:#8da5bf}
    .footer-links{display:flex;gap:16px;flex-wrap:wrap;font-size:13px}
    .footer-links a:hover{color:#fff}
    .form-message{display:none;font-size:13px;color:#9ff0d0;margin-top:10px}
    @media(max-width:1100px){
      .side-nav{width:220px}
      .page{margin-left:220px}
      .banner-inner{gap:28px}
      .scenes{grid-template-columns:1fr 1fr}
      .scene:first-child{grid-row:auto;min-height:300px;grid-column:span 2}
    }
    @media(max-width:820px){
      .side-nav{position:relative;width:100%;height:auto;padding:15px 20px;display:block}
      .brand{padding:4px 0 15px}
      .nav-caption,.nav-bottom{display:none}
      .main-nav{display:flex;overflow-x:auto;padding-bottom:3px;gap:6px}
      .main-nav a{white-space:nowrap;padding:9px 11px}
      .page{margin-left:0}
      .topbar{height:60px;padding:0 20px}
      .banner-inner,.matrix,.feature-layout,.faq-wrap{grid-template-columns:1fr}
      .page-banner{min-height:620px}
      .count-panel{max-width:520px}
      .metric-strip{grid-template-columns:repeat(2,1fr)}
      .timeline{grid-template-columns:repeat(2,1fr)}
      .step:nth-child(2){border-right:0}
      .step:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .compare{grid-template-columns:1fr}
      .cta-box{display:block;padding:34px 28px}
      .cta-form{min-width:0;margin-top:22px}
    }
    @media(max-width:520px){
      .container,.banner-inner,.footer-inner{width:min(100% - 32px,1180px)}
      section{padding:62px 0}
      .topbar{padding:0 16px}
      .search input{width:100px}
      .page-banner h1{font-size:40px}
      .page-banner p{font-size:15px}
      .banner-actions,.cta-form{flex-direction:column}
      .banner-actions .btn,.cta-form .btn{width:100%}
      .metric-strip,.matrix-list,.quote-grid,.scenes,.timeline{grid-template-columns:1fr}
      .scene:first-child{grid-column:auto;min-height:260px}
      .step{border-right:0;border-bottom:1px solid var(--line)}
      .step:last-child{border-bottom:0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .feature-image{height:280px}
      .feature-copy h2,.faq-intro h2{font-size:29px}
      .footer-inner{align-items:flex-start;flex-direction:column}
    }

/* roulang page: category5 */
:root{
      --navy:#0b1d36;
      --navy-2:#122b4b;
      --blue:#1769e0;
      --blue-2:#3289f4;
      --cyan:#57d3ef;
      --orange:#ff9d53;
      --paper:#f4f7fb;
      --white:#fff;
      --ink:#14243a;
      --muted:#6b7b91;
      --line:#e1e8f1;
      --soft:#edf4fc;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 55px rgba(25,56,96,.12);
      --shadow-sm:0 9px 28px rgba(25,56,96,.08);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(23,105,224,.35);outline-offset:3px}
    .side-nav{position:fixed;z-index:20;left:0;top:0;width:252px;height:100vh;background:var(--navy);color:#dce9f8;padding:28px 18px;display:flex;flex-direction:column;overflow-y:auto}
    .brand{display:flex;align-items:center;gap:12px;padding:4px 12px 30px;color:var(--white)}
    .brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(145deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#071931;font-weight:900;font-size:21px;box-shadow:0 8px 20px rgba(50,137,244,.28)}
    .brand strong{display:block;font-size:21px;letter-spacing:1px;line-height:1.25}
    .brand small{display:block;color:#87a5c5;font-size:11px;margin-top:2px;letter-spacing:1px}
    .nav-caption{padding:16px 14px 9px;color:#6f8eaf;font-size:11px;letter-spacing:2px}
    .main-nav{display:grid;gap:5px}
    .main-nav a{display:flex;align-items:center;gap:11px;padding:11px 13px;border:1px solid transparent;border-radius:13px;color:#b8cbe0;font-size:14px}
    .main-nav a span:first-child{width:23px;height:23px;display:grid;place-items:center;border-radius:7px;background:rgba(255,255,255,.07);font-size:12px;color:#a5d9ff}
    .main-nav a:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(3px)}
    .main-nav a.active{background:linear-gradient(90deg,rgba(50,137,244,.27),rgba(87,211,239,.08));border-color:rgba(87,211,239,.22);color:#fff;box-shadow:inset 3px 0 var(--cyan)}
    .nav-bottom{margin-top:auto;padding:16px 12px 4px}
    .nav-tip{padding:15px;border:1px solid rgba(255,255,255,.1);border-radius:16px;background:rgba(255,255,255,.045);font-size:12px;color:#9eb4ce}
    .nav-tip b{display:block;color:#fff;font-size:14px;margin-bottom:5px}
    .topbar{height:70px;background:rgba(244,247,251,.88);backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,5vw,72px);position:relative;z-index:5;border-bottom:1px solid rgba(225,232,241,.8)}
    .page-area{margin-left:252px;min-height:100vh}
    .topbar-note{font-size:13px;color:var(--muted)}
    .search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:30px;padding:7px 13px;color:var(--muted)}
    .search input{border:0;outline:0;width:140px;color:var(--ink);background:transparent;font-size:13px}
    .mobile-menu{display:none;background:var(--navy);color:#fff;border-radius:10px;padding:8px 11px}
    .container{width:min(1180px,calc(100% - 48px));margin:auto}
    .hero{position:relative;min-height:520px;color:#fff;display:flex;align-items:center;overflow:hidden;background:#09182d url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,17,34,.95),rgba(7,26,50,.72) 51%,rgba(7,24,47,.28))}
    .hero-inner{position:relative;z-index:1;width:min(1180px,calc(100% - 48px));margin:auto;display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center}
    .hero-copy{padding:62px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(150,223,255,.34);background:rgba(100,190,244,.12);padding:6px 12px;border-radius:30px;color:#aeeaff;font-size:12px;letter-spacing:1px}
    .hero h1{font-size:clamp(38px,5vw,66px);line-height:1.13;letter-spacing:-2px;margin:24px 0 20px;max-width:680px}
    .hero h1 em{font-style:normal;color:#77e0ff}
    .hero p{font-size:17px;line-height:1.9;color:#d4e2f0;max-width:620px}
    .hero-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border-radius:12px;font-weight:700;font-size:14px;border:1px solid transparent;transition:var(--ease)}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(23,105,224,.28)}
    .btn-primary:hover{background:#0e58c4;transform:translateY(-2px);box-shadow:0 14px 28px rgba(23,105,224,.34)}
    .btn-light{background:#fff;color:var(--navy)}
    .btn-light:hover{background:#dff6ff;transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);background:#fff;color:var(--blue)}
    .btn-outline:hover{border-color:var(--blue);background:var(--soft)}
    .profile-card{background:rgba(255,255,255,.96);color:var(--ink);border-radius:26px;padding:25px;box-shadow:0 22px 70px rgba(0,0,0,.28);transform:rotate(2deg)}
    .profile-head{display:flex;align-items:center;gap:15px;padding-bottom:20px;border-bottom:1px solid var(--line)}
    .avatar-large{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;background:linear-gradient(145deg,var(--cyan),var(--blue));font-weight:900;font-size:28px;color:#062142}
    .profile-head strong{font-size:21px;display:block}
    .profile-head span{font-size:12px;color:var(--muted)}
    .follow-btn{margin-left:auto;padding:8px 13px;border-radius:10px;background:var(--blue);color:#fff;font-size:12px;font-weight:700}
    .data-badges{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:20px}
    .data-badge{padding:14px 9px;border-radius:14px;background:var(--soft);text-align:center}
    .data-badge b{display:block;font-size:22px;color:var(--blue);line-height:1.2}
    .data-badge span{font-size:11px;color:var(--muted)}
    .profile-image{margin-top:20px;border-radius:17px;height:150px;overflow:hidden;position:relative}
    .profile-image img{height:100%}
    .profile-image span{position:absolute;left:14px;bottom:12px;color:#fff;font-size:13px;font-weight:700}
    main{overflow:hidden}
    section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:32px}
    .section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.25;letter-spacing:-1px}
    .section-head p{max-width:580px;color:var(--muted);font-size:15px}
    .kicker{color:var(--blue);font-weight:800;font-size:12px;letter-spacing:1.5px;margin-bottom:9px}
    .metric-band{background:#fff;border-bottom:1px solid var(--line);padding:26px 0}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .metric{padding:6px 28px;border-right:1px solid var(--line)}
    .metric:first-child{padding-left:0}
    .metric:last-child{border:0}
    .metric b{font-size:31px;line-height:1.25;color:var(--navy)}
    .metric span{display:block;color:var(--muted);font-size:13px}
    .metric i{font-style:normal;color:#1c9b75;font-size:12px}
    .matrix{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:stretch}
    .matrix-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:31px;box-shadow:var(--shadow-sm)}
    .matrix-main h3{font-size:25px;margin-bottom:10px}
    .matrix-main>p{color:var(--muted);margin-bottom:24px}
    .matrix-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .matrix-item{display:flex;gap:12px;padding:15px;border:1px solid var(--line);border-radius:15px;background:#fbfdff}
    .matrix-icon{width:35px;height:35px;border-radius:10px;background:#e1f4ff;color:var(--blue);display:grid;place-items:center;font-weight:900;flex:none}
    .matrix-item strong{display:block;font-size:14px}
    .matrix-item span{font-size:12px;color:var(--muted)}
    .matrix-side{border-radius:var(--radius);overflow:hidden;min-height:350px;position:relative;box-shadow:var(--shadow)}
    .matrix-side img{height:100%}
    .matrix-side:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,24,46,.86),transparent 70%)}
    .matrix-side .overlay{position:absolute;z-index:1;left:27px;right:27px;bottom:25px;color:#fff}
    .overlay h3{font-size:24px;margin-bottom:7px}
    .overlay p{font-size:13px;color:#dceafa}
    .split-section{background:var(--navy);color:#fff}
    .split{display:grid;grid-template-columns:.86fr 1.14fr;gap:55px;align-items:center}
    .split-copy h2{font-size:clamp(28px,3vw,42px);line-height:1.28;margin-bottom:18px}
    .split-copy p{color:#b7cae0;max-width:470px}
    .signal-list{display:grid;gap:13px}
    .signal{display:grid;grid-template-columns:120px 1fr 70px;align-items:center;gap:15px;padding:16px 18px;border-radius:15px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1)}
    .signal label{font-size:13px;color:#dce9f8}
    .bar{height:8px;background:rgba(255,255,255,.12);border-radius:20px;overflow:hidden}
    .bar i{display:block;height:100%;border-radius:20px;background:linear-gradient(90deg,var(--cyan),var(--blue-2))}
    .signal b{font-size:13px;text-align:right;color:#8be5ff}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:19px}
    .compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}
    .compare-card.highlight{background:linear-gradient(145deg,#edf7ff,#fff);border-color:#b8daf6}
    .compare-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
    .compare-title h3{font-size:21px}
    .tag{display:inline-flex;padding:5px 9px;border-radius:20px;background:#e5f6ef;color:#18845f;font-size:11px;font-weight:700}
    .score-row{display:flex;align-items:end;gap:12px;padding-bottom:20px;border-bottom:1px solid var(--line)}
    .score-row strong{font-size:42px;color:var(--navy);line-height:1}
    .score-row span{font-size:12px;color:var(--muted)}
    .compare-lines{display:grid;gap:13px;margin-top:20px}
    .compare-line{display:flex;justify-content:space-between;font-size:13px}
    .compare-line span{color:var(--muted)}
    .compare-line b{color:var(--ink)}
    .table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
    .data-table{width:100%;border-collapse:collapse}
    .data-table th,.data-table td{text-align:left;padding:16px 20px;border-bottom:1px solid var(--line);font-size:13px}
    .data-table th{background:#f7faff;color:var(--muted);font-weight:700}
    .data-table tr:last-child td{border-bottom:0}
    .team{display:flex;align-items:center;gap:10px;font-weight:700}
    .team-mark{width:29px;height:29px;border-radius:9px;background:#dff2ff;color:var(--blue);display:grid;place-items:center;font-size:12px}
    .up{color:#159267;font-weight:700}
    .schedule{display:grid;grid-template-columns:1fr 1.15fr;gap:25px}
    .schedule-copy{padding:30px;background:linear-gradient(145deg,#0c2a4d,#1769e0);border-radius:var(--radius);color:#fff;position:relative;overflow:hidden}
    .schedule-copy:after{content:"";position:absolute;width:210px;height:210px;border-radius:50%;right:-85px;bottom:-105px;background:rgba(87,211,239,.2)}
    .schedule-copy h2{font-size:32px;line-height:1.3;margin-bottom:14px;position:relative;z-index:1}
    .schedule-copy p{color:#d5e8fa;position:relative;z-index:1}
    .schedule-list{display:grid;gap:10px}
    .schedule-item{display:grid;grid-template-columns:85px 1fr auto;align-items:center;gap:14px;padding:17px 19px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow-sm)}
    .schedule-item time{font-size:12px;color:var(--blue);font-weight:800}
    .schedule-item strong{font-size:14px}
    .schedule-item span{font-size:12px;color:var(--muted)}
    .schedule-item b{font-size:12px;color:#d67626;background:#fff1e7;padding:5px 8px;border-radius:8px}
    .trust{background:#eaf3fc}
    .trust-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .trust-card{background:#fff;padding:25px;border-radius:var(--radius-sm);border:1px solid rgba(225,232,241,.8)}
    .trust-card .num{font-size:30px;color:var(--blue);font-weight:900}
    .trust-card h3{font-size:18px;margin:7px 0}
    .trust-card p{font-size:13px;color:var(--muted)}
    .quote-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:22px}
    .quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:31px;box-shadow:var(--shadow-sm);transition:var(--ease)}
    .quote p{font-size:18px;line-height:1.85;color:var(--navy);margin-bottom:21px}
    .quote footer{padding:0;border:0;background:none;display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}
    .quote .avatar{width:34px;height:34px;border-radius:50%;background:#dff2ff;color:var(--blue);display:grid;place-items:center;font-weight:800}
    .small-quote{display:grid;gap:16px}
    .small-quote .quote{padding:21px}
    .small-quote p{font-size:14px;margin-bottom:12px}
    .faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px;align-items:start}
    .faq-intro h2{font-size:35px;line-height:1.3;margin-bottom:14px}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:11px}
    details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px 20px;box-shadow:var(--shadow-sm)}
    details[open]{border-color:#a9cef2}
    summary{cursor:pointer;font-weight:700;list-style:none;padding-right:20px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:20px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:13px;padding-top:12px}
    .cta{padding:30px 0 88px}
    .cta-box{border-radius:26px;background:linear-gradient(100deg,#0c2849,#1769e0);color:#fff;padding:43px 50px;display:flex;justify-content:space-between;align-items:center;gap:25px;position:relative;overflow:hidden}
    .cta-box:after{content:"";position:absolute;right:-80px;top:-110px;width:300px;height:300px;border-radius:50%;border:45px solid rgba(255,255,255,.08)}
    .cta-box h2{font-size:31px;line-height:1.3;margin-bottom:8px;position:relative;z-index:1}
    .cta-box p{color:#d7e9fa;position:relative;z-index:1}
    .cta-box .btn{position:relative;z-index:1;flex:none}
    .site-footer{background:var(--navy);color:#b4c6db;padding:38px 0 26px}
    .footer-main{display:flex;justify-content:space-between;gap:30px;align-items:center;padding-bottom:25px;border-bottom:1px solid rgba(255,255,255,.1)}
    .footer-brand{display:flex;align-items:center;gap:12px;color:#fff}
    .footer-brand .brand-mark{width:38px;height:38px;font-size:18px}
    .footer-brand strong{font-size:18px}
    .footer-links{display:flex;flex-wrap:wrap;gap:18px;font-size:13px}
    .footer-links a:hover{color:#fff}
    .footer-meta{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:20px;font-size:12px;color:#819bb7}
    .footer-meta a{color:#9fc5e9}
    .footer-meta a:hover{color:#fff}
    @media(max-width:1100px){
      .side-nav{width:220px}
      .page-area{margin-left:220px}
      .hero-inner{gap:25px}
      .signal{grid-template-columns:95px 1fr 55px}
    }
    @media(max-width:820px){
      .side-nav{position:relative;width:100%;height:auto;padding:15px 20px;display:block}
      .brand{padding:4px 0 14px}
      .nav-caption{display:none}
      .main-nav{display:flex;overflow-x:auto;gap:7px;padding-bottom:3px}
      .main-nav a{white-space:nowrap;padding:9px 11px}
      .nav-bottom{display:none}
      .page-area{margin-left:0}
      .topbar{height:60px;padding:0 22px}
      .topbar-note{display:none}
      .mobile-menu{display:block}
      .search input{width:100px}
      .hero-inner,.matrix,.split,.schedule,.quote-grid,.faq-grid{grid-template-columns:1fr}
      .hero{min-height:auto}
      .hero-copy{padding:70px 0 35px}
      .profile-card{margin:0 auto 55px;max-width:500px;transform:none}
      .metric-grid{grid-template-columns:repeat(2,1fr);gap:20px}
      .metric{padding:5px 15px;border-right:0}
      .metric:first-child{padding-left:15px}
      .benefit-grid,.trust-grid{grid-template-columns:1fr 1fr}
      .section-head{display:block}
      .section-head p{margin-top:10px}
    }
    @media(max-width:520px){
      body{font-size:14px}
      .container,.hero-inner{width:min(100% - 32px,1180px)}
      section{padding:60px 0}
      .hero h1{font-size:39px;letter-spacing:-1px}
      .hero p{font-size:15px}
      .hero-buttons .btn{width:100%}
      .data-badges{gap:7px}
      .data-badge{padding:11px 5px}
      .data-badge b{font-size:19px}
      .matrix-main{padding:21px}
      .matrix-list,.compare,.benefit-grid,.trust-grid{grid-template-columns:1fr}
      .signal{grid-template-columns:80px 1fr 45px;padding:13px 12px;gap:9px}
      .data-table{min-width:620px}
      .table-wrap{overflow-x:auto}
      .schedule-item{grid-template-columns:70px 1fr}
      .schedule-item b{grid-column:2;justify-self:start}
      .cta-box{padding:30px 24px;display:block}
      .cta-box h2{font-size:26px}
      .cta-box .btn{margin-top:20px;width:100%}
      .footer-main{display:block}
      .footer-links{margin-top:20px;gap:12px}
      .footer-meta{display:block}
      .footer-meta span{display:block;margin-bottom:9px}
    }

/* roulang page: category7 */
:root{
      --navy:#0b1d36;
      --navy-2:#122b4b;
      --blue:#1769e0;
      --blue-2:#3289f4;
      --cyan:#57d3ef;
      --orange:#ff9d53;
      --paper:#f4f7fb;
      --white:#fff;
      --ink:#14243a;
      --muted:#6b7b91;
      --line:#e1e8f1;
      --soft:#edf4fc;
      --green:#27ad83;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 55px rgba(25,56,96,.12);
      --shadow-sm:0 9px 28px rgba(25,56,96,.08);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;width:100%;max-width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(50,137,244,.4);outline-offset:3px}
    .side-nav{position:fixed;z-index:20;left:0;top:0;width:252px;height:100vh;background:var(--navy);color:#dce9f8;padding:28px 18px;display:flex;flex-direction:column;overflow-y:auto}
    .brand{display:flex;align-items:center;gap:12px;padding:4px 12px 30px;color:var(--white)}
    .brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(145deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#071931;font-weight:900;font-size:21px;box-shadow:0 8px 20px rgba(50,137,244,.28)}
    .brand strong{display:block;font-size:21px;letter-spacing:1px;line-height:1.25}
    .brand small{display:block;color:#87a5c5;font-size:11px;margin-top:2px;letter-spacing:1px}
    .nav-caption{padding:16px 14px 9px;color:#6f8eaf;font-size:11px;letter-spacing:2px}
    .main-nav{display:grid;gap:5px}
    .main-nav a{display:flex;align-items:center;gap:11px;padding:11px 13px;border:1px solid transparent;border-radius:13px;color:#b8cbe0;font-size:14px}
    .main-nav a span:first-child{width:23px;height:23px;display:grid;place-items:center;border-radius:7px;background:rgba(255,255,255,.07);font-size:12px;color:#a5d9ff}
    .main-nav a:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(3px)}
    .main-nav a.active{background:linear-gradient(90deg,rgba(50,137,244,.27),rgba(87,211,239,.08));border-color:rgba(87,211,239,.22);color:#fff;box-shadow:inset 3px 0 var(--cyan)}
    .nav-bottom{margin-top:auto;padding:16px 12px 4px}
    .nav-tip{padding:15px;border:1px solid rgba(255,255,255,.1);border-radius:16px;background:rgba(255,255,255,.045);font-size:12px;color:#9eb4ce}
    .nav-tip b{display:block;color:#fff;font-size:14px;margin-bottom:5px}
    .page{margin-left:252px;min-height:100vh}
    .topbar{height:70px;background:rgba(244,247,251,.88);backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,5vw,72px);position:relative;z-index:5;border-bottom:1px solid rgba(225,232,241,.8)}
    .crumb{color:var(--muted);font-size:13px}
    .crumb b{color:var(--blue);font-weight:700}
    .search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:30px;padding:7px 13px;color:var(--muted)}
    .search input{border:0;outline:0;width:140px;color:var(--ink);background:transparent;font-size:13px}
    .hero{position:relative;overflow:hidden;color:#fff;background:#09182d url("/assets/images/backpic/back-3.webp") center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(5,17,34,.96),rgba(7,26,50,.78) 54%,rgba(7,24,47,.24))}
    .hero-inner{position:relative;z-index:1;width:min(1180px,calc(100% - 48px));margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;padding:82px 0 88px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(150,223,255,.34);background:rgba(100,190,244,.12);padding:6px 12px;border-radius:30px;color:#aeeaff;font-size:12px;letter-spacing:1px}
    .hero h1{font-size:clamp(38px,5vw,68px);line-height:1.13;letter-spacing:-2px;margin:22px 0 18px;max-width:650px}
    .hero h1 em{font-style:normal;color:#77e0ff}
    .hero-copy p{font-size:17px;line-height:1.9;color:#d4e2f0;max-width:600px}
    .hero-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border-radius:12px;font-weight:700;font-size:14px;border:1px solid transparent;transition:var(--ease)}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(23,105,224,.28)}
    .btn-primary:hover{background:#0e58c4;transform:translateY(-2px);box-shadow:0 14px 28px rgba(23,105,224,.34)}
    .btn-light{background:#fff;color:var(--navy)}
    .btn-light:hover{background:#dff6ff;transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);background:#fff;color:var(--blue)}
    .btn-outline:hover{border-color:var(--blue);background:var(--soft)}
    .hero-stats{display:flex;gap:30px;margin-top:33px;padding-top:20px;border-top:1px solid rgba(255,255,255,.18)}
    .hero-stats strong{display:block;font-size:25px;color:#fff;line-height:1.2}
    .hero-stats span{color:#a8bed5;font-size:12px}
    .coupon-wall{position:relative;min-height:390px;display:flex;align-items:center;justify-content:center}
    .coupon-shadow{position:absolute;width:320px;height:320px;background:rgba(65,188,239,.2);filter:blur(15px);border-radius:50%}
    .coupon{position:relative;width:min(430px,100%);background:#fff;color:var(--ink);border-radius:24px;padding:28px 30px 25px;box-shadow:25px 25px 70px rgba(0,0,0,.32);overflow:hidden;transform:rotate(2deg)}
    .coupon:before,.coupon:after{content:"";position:absolute;top:58%;width:24px;height:24px;background:#102744;border-radius:50%;transform:translateY(-50%)}
    .coupon:before{left:-13px}.coupon:after{right:-13px}
    .coupon-top{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px dashed #cdd9e7;padding-bottom:21px}
    .coupon-label{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:1px}
    .coupon h2{font-size:30px;line-height:1.25;margin-top:7px}
    .coupon-mark{width:48px;height:48px;border-radius:15px;background:var(--soft);display:grid;place-items:center;color:var(--blue);font-size:24px;font-weight:900}
    .coupon-value{display:flex;align-items:baseline;gap:6px;margin:23px 0 2px;color:var(--navy)}
    .coupon-value b{font-size:58px;line-height:1;font-weight:900}
    .coupon-value span{font-size:16px;font-weight:700}
    .coupon p{font-size:13px;color:var(--muted);margin-bottom:19px}
    .coupon .btn{width:100%}
    .coupon-note{font-size:11px;color:#8999aa;text-align:center;margin-top:12px}
    section{padding:82px 0}
    .container{width:min(1180px,calc(100% - 48px));margin:auto}
    .section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:31px}
    .kicker{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase}
    .section-head h2{font-size:clamp(27px,3vw,42px);line-height:1.25;letter-spacing:-1px;margin-top:7px}
    .section-head p{max-width:570px;color:var(--muted);font-size:15px}
    .metric-strip{margin-top:-36px;position:relative;z-index:3;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}
    .metric{padding:25px 26px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:29px;color:var(--navy);line-height:1.25}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
    .matrix{background:#fff}
    .matrix-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:18px}
    .matrix-card{min-height:255px;padding:25px;border-radius:var(--radius);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm);transition:var(--ease)}
    .matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .matrix-card.featured{background:linear-gradient(145deg,#0d2c52,#165a9c);color:#fff;border:0}
    .matrix-icon{width:44px;height:44px;border-radius:13px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-size:21px;font-weight:900;margin-bottom:24px}
    .featured .matrix-icon{background:rgba(255,255,255,.14);color:#7be2ff}
    .matrix-card h3{font-size:21px;margin-bottom:10px}
    .matrix-card p{font-size:14px;color:var(--muted)}
    .featured p{color:#c6d8eb}
    .tag-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px}
    .tag{display:inline-flex;padding:5px 10px;border-radius:20px;background:var(--soft);color:var(--blue);font-size:12px}
    .featured .tag{background:rgba(255,255,255,.12);color:#dcf7ff}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;align-items:center}
    .image-frame{border-radius:24px;overflow:hidden;box-shadow:var(--shadow);position:relative;min-height:390px}
    .image-frame img{height:100%;min-height:390px}
    .image-frame:after{content:"综合赛事，一站查看";position:absolute;left:22px;bottom:20px;color:#fff;background:rgba(7,27,51,.78);border:1px solid rgba(255,255,255,.2);border-radius:10px;padding:8px 13px;font-size:13px}
    .copy-block h2{font-size:clamp(28px,3vw,42px);line-height:1.3;margin:8px 0 18px}
    .copy-block>p{color:var(--muted);font-size:16px}
    .check-list{display:grid;gap:12px;margin-top:24px}
    .check-list li{list-style:none;display:flex;gap:12px;align-items:flex-start;color:#40536b}
    .check-list li:before{content:"✓";flex:0 0 23px;width:23px;height:23px;border-radius:8px;background:#dff7ef;color:var(--green);display:grid;place-items:center;font-weight:900;font-size:13px}
    .data-board{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .board-panel{background:var(--navy);border-radius:var(--radius);padding:28px;color:#fff;box-shadow:var(--shadow)}
    .board-panel h3{font-size:22px;margin-bottom:20px}
    .board-list{display:grid;gap:9px}
    .board-row{display:grid;grid-template-columns:80px 1fr 62px;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:13px}
    .board-row:last-child{border-bottom:0}
    .board-row small{color:#8fa8c2}
    .score{font-weight:800;color:#8be9ff;text-align:right}
    .insight{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}
    .insight h3{font-size:21px;margin-bottom:12px}
    .insight p{color:var(--muted);font-size:14px}
    .progress-list{display:grid;gap:17px;margin-top:20px}
    .progress-line{display:flex;justify-content:space-between;font-size:13px;margin-bottom:6px}
    .progress-line b{color:var(--blue)}
    .progress-bar{height:8px;border-radius:20px;background:#eaf0f6;overflow:hidden}
    .progress-bar i{display:block;height:100%;border-radius:20px;background:linear-gradient(90deg,var(--blue),var(--cyan))}
    .timeline-wrap{background:#eaf3fc}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
    .timeline:before{content:"";position:absolute;top:23px;left:8%;right:8%;height:2px;background:#c4dcef}
    .time-item{position:relative;padding:0 20px;text-align:center}
    .time-dot{position:relative;z-index:1;margin:0 auto 22px;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:#fff;border:7px solid #dcecfb;color:var(--blue);font-weight:900;box-shadow:0 4px 12px rgba(25,56,96,.08)}
    .time-item h3{font-size:17px;margin-bottom:8px}
    .time-item p{font-size:13px;color:var(--muted)}
    .news-layout{display:grid;grid-template-columns:1fr .78fr;gap:22px}
    .feature-story{position:relative;min-height:360px;border-radius:24px;overflow:hidden;color:#fff;background:#0b1d36}
    .feature-story img{height:100%;position:absolute;inset:0;opacity:.68}
    .feature-story:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,16,31,.92),transparent 65%)}
    .story-copy{position:absolute;z-index:1;left:27px;right:27px;bottom:25px}
    .story-copy h3{font-size:26px;line-height:1.4;margin:10px 0 7px}
    .story-copy p{font-size:13px;color:#d4e1ee}
    .story-list{display:grid;gap:12px}
    .news-item{background:#fff;border:1px solid var(--line);border-radius:17px;padding:18px 20px;display:grid;grid-template-columns:1fr auto;gap:10px;transition:var(--ease)}
    .news-item time{font-size:12px;color:var(--blue);font-weight:700}
    .news-item h3{font-size:16px;line-height:1.5;margin:3px 0}
    .news-item p{font-size:12px;color:var(--muted)}
    .news-item .arrow{align-self:center;color:var(--blue);font-size:20px}
    .quote-section{background:#fff}
    .quote-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .quote{padding:27px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);transition:var(--ease)}
    .quote-mark{font-size:32px;color:var(--cyan);line-height:1}
    .quote p{color:#51657c;margin:10px 0 23px;font-size:14px}
    .person{display:flex;align-items:center;gap:11px;color:var(--navy);font-weight:700;font-size:13px}
    .avatar{width:35px;height:35px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#d7f5ff,#b9d8fb);color:var(--blue);font-weight:900}
    .faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:42px}
    .faq-intro h2{font-size:38px;line-height:1.3;margin:8px 0 15px}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:10px}
    details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:17px 20px;transition:var(--ease)}
    details[open]{border-color:#a9ccef;box-shadow:var(--shadow-sm)}
    summary{cursor:pointer;font-weight:700;list-style:none;padding-right:25px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;top:0;color:var(--blue);font-size:21px;font-weight:400}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;padding-top:10px}
    .cta{padding:0 0 85px}
    .cta-box{border-radius:26px;background:linear-gradient(105deg,#0b1d36,#14599a);color:#fff;padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:var(--shadow)}
    .cta-box h2{font-size:clamp(25px,3vw,37px);line-height:1.3;margin:7px 0}
    .cta-box p{color:#c6d9ec;max-width:650px}
    .cta-box .btn{white-space:nowrap}
    footer{margin-left:252px;background:#08182d;color:#9bb0c7;padding:28px clamp(22px,5vw,72px);display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px}
    footer .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700}
    footer .avatar{background:rgba(87,211,239,.16);color:#8deaff}
    .footer-meta{display:flex;gap:15px;align-items:center;flex-wrap:wrap}
    .footer-meta a{color:#b9cbe0}
    .footer-meta a:hover{color:#fff}
    .toast{position:fixed;z-index:50;left:50%;bottom:30px;transform:translate(-50%,20px);background:var(--navy);color:#fff;border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:12px 18px;opacity:0;pointer-events:none;transition:var(--ease);box-shadow:var(--shadow)}
    .toast.show{opacity:1;transform:translate(-50%,0)}
    @media(max-width:1100px){
      .side-nav{width:220px}
      .page{margin-left:220px}
      footer{margin-left:220px}
      .hero-inner{gap:25px}
      .metric-strip{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(2){border-right:0}
      .metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
    }
    @media(max-width:820px){
      .side-nav{position:relative;width:100%;height:auto;padding:15px 20px;display:block}
      .brand{padding:3px 0 14px}
      .nav-caption,.nav-bottom{display:none}
      .main-nav{display:flex;overflow-x:auto;gap:6px;padding-bottom:2px}
      .main-nav a{flex:0 0 auto;padding:9px 11px}
      .main-nav a span:first-child{display:none}
      .page{margin-left:0}
      footer{margin-left:0}
      .topbar{height:58px;padding:0 24px}
      .hero-inner,.split,.data-board,.news-layout,.faq-grid{grid-template-columns:1fr}
      .hero-inner{padding:65px 0 72px}
      .hero-poster{min-height:330px}
      .coupon{max-width:410px}
      .matrix-grid{grid-template-columns:1fr 1fr}
      .matrix-card.featured{grid-column:span 2}
      .timeline{grid-template-columns:repeat(2,1fr);gap:32px 10px}
      .timeline:before{display:none}
      .quote-grid{grid-template-columns:1fr}
      .image-frame{min-height:300px}
      .image-frame img{min-height:300px}
      .cta-box{display:block;padding:34px 28px}
      .cta-box .btn{margin-top:22px}
    }
    @media(max-width:520px){
      body{font-size:14px}
      .container,.hero-inner{width:min(100% - 32px,1180px)}
      .topbar{padding:0 16px}
      .search input{width:95px}
      section{padding:59px 0}
      .hero h1{font-size:38px;letter-spacing:-1px}
      .hero-copy p{font-size:15px}
      .hero-stats{gap:18px}
      .hero-stats strong{font-size:21px}
      .metric-strip{grid-template-columns:1fr}
      .metric{border-right:0!important;border-bottom:1px solid var(--line)}
      .metric:last-child{border-bottom:0}
      .matrix-grid{grid-template-columns:1fr}
      .matrix-card.featured{grid-column:auto}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .timeline{grid-template-columns:1fr}
      .time-item{text-align:left;padding-left:0;display:grid;grid-template-columns:50px 1fr;column-gap:15px}
      .time-dot{margin:0;grid-row:span 2}
      .news-item{grid-template-columns:1fr}
      .news-item .arrow{display:none}
      .coupon{padding:24px 22px}
      .coupon-value b{font-size:48px}
      .cta-box h2{font-size:27px}
      footer{padding:25px 18px}
      .footer-meta{gap:10px}
    }

/* roulang page: category1 */
:root{
      --navy:#0b1d36;
      --navy-2:#122b4b;
      --blue:#1769e0;
      --blue-2:#3289f4;
      --cyan:#57d3ef;
      --orange:#ff9d53;
      --paper:#f4f7fb;
      --white:#fff;
      --ink:#14243a;
      --muted:#6b7b91;
      --line:#e1e8f1;
      --soft:#edf4fc;
      --green:#27ad83;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 55px rgba(25,56,96,.12);
      --shadow-sm:0 9px 28px rgba(25,56,96,.08);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    .side-nav{position:fixed;z-index:20;left:0;top:0;width:252px;height:100vh;background:var(--navy);color:#dce9f8;padding:28px 18px;display:flex;flex-direction:column;overflow-y:auto}
    .brand{display:flex;align-items:center;gap:12px;padding:4px 12px 30px;color:var(--white)}
    .brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(145deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#071931;font-weight:900;font-size:21px;box-shadow:0 8px 20px rgba(50,137,244,.28)}
    .brand strong{display:block;font-size:21px;letter-spacing:1px;line-height:1.25}
    .brand small{display:block;color:#87a5c5;font-size:11px;margin-top:2px;letter-spacing:1px}
    .nav-caption{padding:16px 14px 9px;color:#6f8eaf;font-size:11px;letter-spacing:2px}
    .main-nav{display:grid;gap:5px}
    .main-nav a{display:flex;align-items:center;gap:11px;padding:11px 13px;border:1px solid transparent;border-radius:13px;color:#b8cbe0;font-size:14px}
    .main-nav a span:first-child{width:23px;height:23px;display:grid;place-items:center;border-radius:7px;background:rgba(255,255,255,.07);font-size:12px;color:#a5d9ff}
    .main-nav a:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(3px)}
    .main-nav a.active{background:linear-gradient(90deg,rgba(50,137,244,.27),rgba(87,211,239,.08));border-color:rgba(87,211,239,.22);color:#fff;box-shadow:inset 3px 0 var(--cyan)}
    .nav-bottom{margin-top:auto;padding:16px 12px 4px}
    .nav-tip{padding:15px;border:1px solid rgba(255,255,255,.1);border-radius:16px;background:rgba(255,255,255,.045);font-size:12px;color:#9eb4ce}
    .nav-tip b{display:block;color:#fff;font-size:14px;margin-bottom:5px}
    .page-shell{margin-left:252px;min-height:100vh}
    .topbar{height:70px;background:rgba(244,247,251,.9);backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,5vw,72px);position:relative;z-index:5;border-bottom:1px solid rgba(225,232,241,.8)}
    .crumb{color:var(--muted);font-size:13px}
    .crumb b{color:var(--ink);font-weight:700}
    .top-actions{display:flex;align-items:center;gap:14px}
    .search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:30px;padding:7px 13px;color:var(--muted)}
    .search input{border:0;outline:0;width:145px;color:var(--ink);background:transparent;font-size:13px}
    .menu-toggle{display:none;background:var(--navy);color:#fff;border-radius:10px;padding:8px 12px}
    .container{width:min(1180px,calc(100% - 48px));margin:auto}
    .hero{position:relative;min-height:510px;color:#fff;display:flex;align-items:center;overflow:hidden;background:#09182d url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,17,34,.95),rgba(7,26,50,.7) 58%,rgba(7,24,47,.24))}
    .hero-inner{position:relative;z-index:1;width:min(1180px,calc(100% - 48px));margin:auto;display:grid;grid-template-columns:1.12fr .88fr;gap:55px;align-items:center}
    .hero-copy{padding:55px 0}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(150,223,255,.34);background:rgba(100,190,244,.12);padding:6px 12px;border-radius:30px;color:#aeeaff;font-size:12px;letter-spacing:1px}
    .hero h1{font-size:clamp(38px,5vw,66px);line-height:1.13;letter-spacing:-2px;margin:22px 0 18px;max-width:650px}
    .hero h1 em{font-style:normal;color:#77e0ff}
    .hero p{font-size:16px;line-height:1.9;color:#d4e2f0;max-width:650px}
    .hero-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border-radius:12px;font-weight:700;font-size:14px;border:1px solid transparent;transition:var(--ease)}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(23,105,224,.28)}
    .btn-primary:hover{background:#0e58c4;transform:translateY(-2px);box-shadow:0 14px 28px rgba(23,105,224,.34)}
    .btn-light{background:#fff;color:var(--navy)}
    .btn-light:hover{background:#dff6ff;transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);background:#fff;color:var(--blue)}
    .btn-outline:hover{border-color:var(--blue);background:var(--soft)}
    .hero-stats{display:flex;gap:28px;margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.2)}
    .hero-stats strong{display:block;color:#fff;font-size:24px;line-height:1.2}
    .hero-stats span{display:block;color:#aec2d9;font-size:12px;margin-top:3px}
    .recommend-card{background:#fff;color:var(--ink);border-radius:24px;padding:25px;box-shadow:0 20px 60px rgba(0,0,0,.22);position:relative}
    .recommend-card:before{content:"推荐关注";position:absolute;right:18px;top:18px;background:#fff1e7;color:#d8732c;border-radius:20px;padding:4px 9px;font-size:11px}
    .recommend-card h2{font-size:23px;line-height:1.35;margin:8px 0 12px;max-width:220px}
    .recommend-card p{font-size:13px;color:var(--muted);line-height:1.75}
    .match-row{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);margin-top:19px;padding-top:17px}
    .team{display:flex;align-items:center;gap:8px;font-weight:700}
    .team i{width:30px;height:30px;border-radius:50%;background:var(--soft);display:grid;place-items:center;color:var(--blue);font-style:normal;font-size:12px}
    .versus{font-size:12px;color:var(--muted)}
    .section{padding:82px 0}
    .section.compact{padding:60px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-head h2{font-size:32px;line-height:1.3;letter-spacing:-.7px}
    .section-head p{max-width:550px;color:var(--muted);font-size:14px}
    .kicker{color:var(--blue);font-weight:800;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:8px}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-34px;position:relative;z-index:2}
    .metric{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px 20px;box-shadow:var(--shadow-sm)}
    .metric strong{display:block;font-size:29px;color:var(--navy);line-height:1.2}
    .metric span{color:var(--muted);font-size:13px}
    .metric small{display:block;color:var(--green);font-size:12px;margin-top:8px}
    .matrix{display:grid;grid-template-columns:1fr 1.6fr;gap:24px;align-items:stretch}
    .matrix-intro{background:var(--navy);color:#fff;border-radius:var(--radius);padding:34px;display:flex;flex-direction:column;justify-content:space-between}
    .matrix-intro h3{font-size:27px;line-height:1.35;margin:8px 0 15px}
    .matrix-intro p{color:#b9cde3;font-size:14px}
    .matrix-intro .line-note{margin-top:35px;padding-top:18px;border-top:1px solid rgba(255,255,255,.15);color:#83dcf4;font-size:13px}
    .service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .service-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px;transition:var(--ease)}
    .service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .service-icon{width:38px;height:38px;border-radius:12px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-weight:900;margin-bottom:13px}
    .service-card h3{font-size:17px;margin-bottom:6px}
    .service-card p{font-size:13px;color:var(--muted);line-height:1.75}
    .feature-band{background:#eaf3fd}
    .feature-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}
    .feature-image{height:370px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .feature-image img{height:100%}
    .feature-copy h2{font-size:34px;line-height:1.35;margin-bottom:15px}
    .feature-copy>p{color:var(--muted);margin-bottom:20px}
    .check-list{display:grid;gap:11px}
    .check-list li{list-style:none;display:flex;gap:10px;align-items:flex-start;font-size:14px}
    .check-list li:before{content:"✓";flex:0 0 23px;height:23px;border-radius:50%;background:#d8f5eb;color:var(--green);display:grid;place-items:center;font-weight:800;line-height:1}
    .selection{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .selection-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:var(--ease)}
    .selection-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
    .selection-card img{height:170px}
    .selection-content{padding:20px}
    .selection-content .tag{border:0;background:var(--soft);color:var(--blue);padding:4px 9px;font-size:11px}
    .selection-content h3{font-size:19px;margin:11px 0 5px}
    .selection-content p{font-size:13px;color:var(--muted);line-height:1.7}
    .selection-meta{display:flex;justify-content:space-between;align-items:center;margin-top:17px;padding-top:13px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
    .comparison{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
    .comparison-head,.comparison-row{display:grid;grid-template-columns:1.35fr repeat(3,1fr);align-items:center}
    .comparison-head{background:var(--navy);color:#fff;padding:18px 25px;font-size:13px}
    .comparison-row{padding:18px 25px;border-top:1px solid var(--line);font-size:14px}
    .comparison-row>div:not(:first-child),.comparison-head>div:not(:first-child){text-align:center}
    .comparison-row b{color:var(--green);font-size:18px}
    .comparison-row span{color:var(--muted);font-size:13px}
    .process-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px}
    .process-copy{padding:17px 0}
    .process-copy h2{font-size:33px;line-height:1.35;margin-bottom:15px}
    .process-copy p{color:var(--muted)}
    .process-list{display:grid;gap:0}
    .process-item{display:grid;grid-template-columns:54px 1fr;gap:18px;padding:21px 0;border-bottom:1px solid var(--line)}
    .process-item:last-child{border-bottom:0}
    .process-no{width:42px;height:42px;border-radius:14px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800;box-shadow:0 8px 18px rgba(23,105,224,.22)}
    .process-item h3{font-size:17px;margin-bottom:4px}
    .process-item p{font-size:13px;color:var(--muted);line-height:1.7}
    .scenario-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .scenario{min-height:220px;border-radius:20px;padding:25px;color:#fff;background:var(--navy);position:relative;overflow:hidden}
    .scenario:after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;background:rgba(87,211,239,.12);right:-45px;bottom:-50px}
    .scenario:nth-child(2){background:#1769e0}
    .scenario:nth-child(3){background:#eaf3fd;color:var(--ink)}
    .scenario h3{font-size:20px;margin-bottom:8px;position:relative;z-index:1}
    .scenario p{font-size:13px;line-height:1.75;color:#c5d7ea;position:relative;z-index:1}
    .scenario:nth-child(3) p{color:var(--muted)}
    .scenario strong{display:block;font-size:32px;margin-top:25px;position:relative;z-index:1}
    .trust{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
    .quote-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:31px;box-shadow:var(--shadow-sm)}
    .quote-box p{font-size:18px;line-height:1.8;color:var(--navy);font-weight:600}
    .quote-box footer{margin-top:20px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
    .avatar{display:grid;place-items:center;width:35px;height:35px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800}
    .trust-points{background:var(--soft);border-radius:var(--radius);padding:28px;display:grid;gap:17px}
    .trust-point{display:flex;gap:13px}
    .trust-point b{display:block;font-size:15px}
    .trust-point span{display:block;color:var(--muted);font-size:13px;line-height:1.65}
    .dot{width:10px;height:10px;border-radius:50%;background:var(--orange);margin-top:9px;flex:0 0 10px}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:48px}
    .faq-wrap h2{font-size:33px;line-height:1.35}
    .faq-wrap>div>p{color:var(--muted);margin-top:12px}
    .faq-list{display:grid;gap:11px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}
    .faq-question{width:100%;background:#fff;padding:17px 20px;display:flex;justify-content:space-between;align-items:center;text-align:left;color:var(--ink);font-weight:700}
    .faq-question span:last-child{font-size:20px;color:var(--blue);transition:var(--ease)}
    .faq-answer{display:none;padding:0 20px 17px;color:var(--muted);font-size:13px;line-height:1.8}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:55px 0;background:linear-gradient(120deg,var(--navy),#174c8b);color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:32px;line-height:1.35;margin-bottom:8px}
    .cta p{color:#c8d9ec;font-size:14px}
    .cta .btn-primary{background:var(--cyan);color:var(--navy)}
    .site-footer{background:#08172b;color:#a6bad1;padding:34px 0 24px}
    .footer-top{display:flex;justify-content:space-between;gap:25px;align-items:center;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.1)}
    .footer-brand{color:#fff;font-size:20px;font-weight:800}
    .footer-links{display:flex;flex-wrap:wrap;gap:18px;font-size:13px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{padding-top:18px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12px;color:#7f98b5}
    :focus-visible{outline:3px solid rgba(87,211,239,.8);outline-offset:3px}
    @media(max-width:1100px){
      .side-nav{width:220px}.page-shell{margin-left:220px}
      .hero-inner{gap:28px}.container{width:min(100% - 38px,980px)}
      .scenario-grid{grid-template-columns:1fr 1fr}.scenario:first-child{grid-column:span 2}
    }
    @media(max-width:820px){
      .side-nav{position:fixed;left:-270px;width:260px;transition:var(--ease);box-shadow:15px 0 40px rgba(0,0,0,.18)}
      .side-nav.open{left:0}.page-shell{margin-left:0}
      .menu-toggle{display:block}.topbar{padding:0 19px}.crumb{display:none}
      .hero-inner,.feature-layout,.process-layout,.faq-wrap,.trust{grid-template-columns:1fr}
      .hero{min-height:auto}.hero-copy{padding:70px 0 45px}.recommend-card{margin:0 0 65px}
      .metrics{grid-template-columns:repeat(2,1fr);margin-top:-20px}
      .section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:9px}
      .selection{grid-template-columns:repeat(2,1fr)}
      .feature-image{height:300px;order:2}.feature-copy{order:1}
      .cta-inner{display:block}.cta .btn{margin-top:20px}
    }
    @media(max-width:520px){
      body{font-size:14px}.container,.hero-inner{width:calc(100% - 32px)}
      .topbar{height:62px}.search{display:none}.hero h1{font-size:39px;letter-spacing:-1px}
      .hero p{font-size:14px}.hero-stats{gap:16px}.hero-stats strong{font-size:20px}
      .metrics{gap:10px}.metric{padding:17px 14px}.metric strong{font-size:24px}
      .matrix,.service-grid,.selection,.scenario-grid{grid-template-columns:1fr}
      .scenario:first-child{grid-column:auto}.scenario{min-height:180px}
      .comparison{overflow-x:auto}.comparison-head,.comparison-row{min-width:620px}
      .comparison-head,.comparison-row{padding-left:17px;padding-right:17px}
      .section-head h2,.feature-copy h2,.process-copy h2,.faq-wrap h2,.cta h2{font-size:27px}
      .footer-top{display:block}.footer-links{margin-top:16px;gap:13px}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:5px}
    }

/* roulang page: category6 */
:root{
      --navy:#0b1d36;
      --navy-2:#122b4b;
      --blue:#1769e0;
      --blue-2:#3289f4;
      --cyan:#57d3ef;
      --orange:#ff9d53;
      --paper:#f4f7fb;
      --white:#fff;
      --ink:#14243a;
      --muted:#6b7b91;
      --line:#e1e8f1;
      --soft:#edf4fc;
      --green:#27ad83;
      --red:#eb6672;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 55px rgba(25,56,96,.12);
      --shadow-sm:0 9px 28px rgba(25,56,96,.08);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;width:100%;max-width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(1180px,calc(100% - 48px));margin:auto}
    .side-nav{position:fixed;z-index:20;left:0;top:0;width:252px;height:100vh;background:var(--navy);color:#dce9f8;padding:28px 18px;display:flex;flex-direction:column;overflow-y:auto}
    .brand{display:flex;align-items:center;gap:12px;padding:4px 12px 30px;color:var(--white)}
    .brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(145deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#071931;font-weight:900;font-size:21px;box-shadow:0 8px 20px rgba(50,137,244,.28)}
    .brand strong{display:block;font-size:21px;letter-spacing:1px;line-height:1.25}
    .brand small{display:block;color:#87a5c5;font-size:11px;margin-top:2px;letter-spacing:1px}
    .nav-caption{padding:16px 14px 9px;color:#6f8eaf;font-size:11px;letter-spacing:2px}
    .main-nav{display:grid;gap:5px}
    .main-nav a{display:flex;align-items:center;gap:11px;padding:11px 13px;border:1px solid transparent;border-radius:13px;color:#b8cbe0;font-size:14px}
    .main-nav a span:first-child{width:23px;height:23px;display:grid;place-items:center;border-radius:7px;background:rgba(255,255,255,.07);font-size:12px;color:#a5d9ff}
    .main-nav a:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(3px)}
    .main-nav a.active{background:linear-gradient(90deg,rgba(50,137,244,.27),rgba(87,211,239,.08));border-color:rgba(87,211,239,.22);color:#fff;box-shadow:inset 3px 0 var(--cyan)}
    .nav-bottom{margin-top:auto;padding:16px 12px 4px}
    .nav-tip{padding:15px;border:1px solid rgba(255,255,255,.1);border-radius:16px;background:rgba(255,255,255,.045);font-size:12px;color:#9eb4ce}
    .nav-tip b{display:block;color:#fff;font-size:14px;margin-bottom:5px}
    .page{margin-left:252px;min-height:100vh}
    .topbar{height:70px;background:rgba(244,247,251,.9);backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,5vw,72px);position:relative;z-index:5;border-bottom:1px solid rgba(225,232,241,.8)}
    .crumb{font-size:13px;color:var(--muted)}
    .crumb b{color:var(--ink);font-weight:700}
    .search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:30px;padding:7px 13px;color:var(--muted)}
    .search input{border:0;outline:0;width:150px;color:var(--ink);background:transparent;font-size:13px}
    .mobile-toggle{display:none;background:var(--navy);color:#fff;padding:8px 11px;border-radius:9px}
    .banner{position:relative;overflow:hidden;color:#fff;padding:75px 0 83px;background:#09182d url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
    .banner:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(5,17,34,.93),rgba(9,40,76,.72),rgba(13,65,109,.3))}
    .banner .container{position:relative;z-index:1}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(150,223,255,.34);background:rgba(100,190,244,.12);padding:6px 12px;border-radius:30px;color:#aeeaff;font-size:12px;letter-spacing:1px}
    .banner h1{font-size:clamp(34px,5vw,62px);line-height:1.18;letter-spacing:-1.5px;margin:20px 0 17px;max-width:730px}
    .banner h1 em{font-style:normal;color:#77e0ff}
    .banner p{max-width:710px;color:#d6e6f3;font-size:16px}
    .section{padding:82px 0}
    .section.compact{padding:60px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}
    .section-kicker{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase}
    h2{font-size:clamp(26px,3vw,40px);line-height:1.25;letter-spacing:-.8px;margin-top:8px}
    .section-head p{max-width:470px;color:var(--muted)}
    .dashboard{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:16px}
    .metric{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
    .metric:after{content:"";position:absolute;right:-25px;top:-30px;width:100px;height:100px;border-radius:50%;background:var(--soft)}
    .metric-label{font-size:13px;color:var(--muted);position:relative;z-index:1}
    .metric strong{display:block;font-size:36px;line-height:1.2;margin:9px 0;color:var(--navy);position:relative;z-index:1}
    .metric small{color:var(--green);position:relative;z-index:1}
    .data-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:28px}
    .panel-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
    .panel-title h3{font-size:20px}
    .status{font-size:12px;border-radius:30px;padding:5px 10px;color:var(--green);background:#e9faf4}
    .match-row{display:grid;grid-template-columns:92px 1fr 65px 80px;align-items:center;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
    .match-row:last-child{border-bottom:0}
    .match-time{font-size:13px;color:var(--muted)}
    .teams b{display:block;font-size:14px}
    .teams span{font-size:12px;color:var(--muted)}
    .score{font-size:21px;font-weight:800;color:var(--navy)}
    .live{color:var(--red);font-size:12px;font-weight:700}
    .trend{display:flex;align-items:end;gap:7px;height:112px;border-bottom:1px solid var(--line);padding:10px 8px 0}
    .bar{flex:1;background:linear-gradient(to top,var(--blue),var(--cyan));border-radius:7px 7px 0 0;min-height:18px;opacity:.9}
    .bar:nth-child(1){height:42%}.bar:nth-child(2){height:65%}.bar:nth-child(3){height:52%}.bar:nth-child(4){height:84%}.bar:nth-child(5){height:70%}.bar:nth-child(6){height:95%}.bar:nth-child(7){height:76%}
    .trend-labels{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;margin-top:8px}
    .matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .matrix-card{min-height:190px;border-radius:18px;background:#fff;border:1px solid var(--line);padding:22px;transition:var(--ease)}
    .matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .matrix-icon{width:40px;height:40px;display:grid;place-items:center;background:var(--soft);border-radius:12px;color:var(--blue);font-weight:900;font-size:18px;margin-bottom:20px}
    .matrix-card h3{font-size:18px;margin-bottom:7px}
    .matrix-card p{font-size:13px;color:var(--muted);line-height:1.75}
    .split{display:grid;grid-template-columns:.88fr 1.12fr;gap:36px;align-items:center}
    .split-image{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-height:390px}
    .split-image img{height:100%;min-height:390px}
    .split-copy h2{margin:10px 0 17px}
    .split-copy>p{color:var(--muted);margin-bottom:21px}
    .check-list{list-style:none;display:grid;gap:13px}
    .check-list li{display:flex;gap:11px;align-items:flex-start}
    .check-list i{font-style:normal;flex:0 0 24px;height:24px;display:grid;place-items:center;background:#e8f8f2;color:var(--green);border-radius:50%;font-size:13px;font-weight:700}
    .compare{background:var(--navy);color:#fff}
    .compare .section-kicker{color:var(--cyan)}
    .compare .section-head p{color:#a7bdd4}
    .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-card{border:1px solid rgba(255,255,255,.13);border-radius:18px;padding:25px;background:rgba(255,255,255,.055)}
    .compare-card.highlight{background:linear-gradient(135deg,rgba(23,105,224,.45),rgba(87,211,239,.1));border-color:rgba(120,220,255,.38)}
    .compare-card h3{font-size:20px;margin-bottom:18px}
    .compare-line{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:14px}
    .compare-line:last-child{border:0}
    .compare-line span{color:#aac1d8}
    .compare-line strong{color:#fff}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
    .step{padding:26px 22px;border-right:1px solid var(--line);position:relative}
    .step:last-child{border-right:0}
    .step-number{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:1px}
    .step h3{font-size:18px;margin:11px 0 7px}
    .step p{font-size:13px;color:var(--muted)}
    .step:after{content:"→";position:absolute;right:-10px;top:50%;transform:translateY(-50%);width:21px;height:21px;background:var(--blue);color:#fff;border-radius:50%;display:grid;place-items:center;font-size:12px;z-index:1}
    .step:last-child:after{display:none}
    .quote-area{display:grid;grid-template-columns:.8fr 1.2fr;gap:26px;align-items:stretch}
    .quote-card{background:#e7f4ff;border-radius:var(--radius);padding:34px}
    .quote-card blockquote{font-size:24px;line-height:1.55;font-weight:700;color:var(--navy)}
    .quote-card cite{display:block;margin-top:22px;color:var(--muted);font-style:normal;font-size:13px}
    .quote-image{border-radius:var(--radius);overflow:hidden;min-height:260px}
    .quote-image img{height:100%;min-height:260px}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;box-shadow:var(--shadow-sm)}
    summary{cursor:pointer;font-weight:700;list-style:none;padding-right:20px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:21px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
    .cta{margin:20px auto 80px;width:min(1180px,calc(100% - 48px));background:linear-gradient(110deg,var(--blue),#174baf);border-radius:var(--radius);padding:42px 48px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px;overflow:hidden;position:relative}
    .cta:after{content:"";position:absolute;width:280px;height:280px;right:-80px;top:-130px;border-radius:50%;border:35px solid rgba(255,255,255,.08)}
    .cta h2{position:relative;z-index:1;font-size:31px}
    .cta p{position:relative;z-index:1;color:#d7e9ff;margin-top:7px}
    .cta .btn{position:relative;z-index:1;white-space:nowrap}
    footer{margin-left:252px;background:#fff;border-top:1px solid var(--line);padding:34px clamp(24px,5vw,72px);color:var(--muted);display:flex;align-items:center;justify-content:space-between;gap:25px;flex-wrap:wrap;font-size:13px}
    footer .avatar{width:34px;height:34px;background:var(--navy);color:#fff;display:inline-grid;place-items:center;border-radius:50%;margin-right:8px}
    .footer-person{display:flex;align-items:center;color:var(--ink);font-weight:700}
    .footer-info{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
    .footer-info a{color:var(--blue)}
    .footer-info a:hover{color:var(--navy)}
    .footer-record{width:100%;border-top:1px solid var(--line);padding-top:17px;display:flex;gap:20px;flex-wrap:wrap;color:#8795a7;font-size:12px}
    .btn:focus-visible,.main-nav a:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid rgba(87,211,239,.65);outline-offset:3px}
    @media(max-width:1100px){
      .side-nav{width:220px}.page{margin-left:220px}footer{margin-left:220px}
      .dashboard{grid-template-columns:1fr 1fr}.dashboard .metric:first-child{grid-column:span 2}
      .matrix{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:820px){
      .side-nav{position:relative;width:100%;height:auto;padding:16px 20px;display:block}
      .brand{padding:3px 4px 14px}.nav-caption,.nav-bottom{display:none}
      .main-nav{display:flex;gap:7px;overflow-x:auto;padding-bottom:3px}
      .main-nav a{flex:0 0 auto;padding:9px 11px}.main-nav a span:first-child{display:none}
      .page{margin-left:0}.topbar{height:62px;padding:0 24px}
      footer{margin-left:0}
      .hero-inner,.data-layout,.split,.quote-area{grid-template-columns:1fr}
      .banner{padding:58px 0 64px}
      .timeline{grid-template-columns:1fr 1fr}
      .step{border-bottom:1px solid var(--line)}.step:nth-child(2){border-right:0}.step:after{display:none}
      .section{padding:64px 0}
    }
    @media(max-width:560px){
      .container{width:min(100% - 32px,1180px)}
      .topbar{padding:0 16px}.crumb{font-size:12px}.search input{width:100px}
      .banner h1{font-size:37px}.banner p{font-size:14px}
      .section-head{display:block}.section-head p{margin-top:12px}
      .dashboard{grid-template-columns:1fr}.dashboard .metric:first-child{grid-column:auto}
      .matrix,.compare-grid,.faq-list,.timeline{grid-template-columns:1fr}
      .match-row{grid-template-columns:70px 1fr 48px 55px;gap:8px;font-size:12px}
      .panel{padding:20px 16px}.split-image,.split-image img{min-height:260px}
      .cta{width:calc(100% - 32px);padding:30px 24px;display:block;margin-bottom:55px}
      .cta h2{font-size:26px}.cta .btn{margin-top:20px}
      footer{padding:28px 16px;display:block}.footer-info{margin-top:17px}
    }