/* roulang page: index */
:root{
      --blue-950:#102b4c;
      --blue-900:#173d68;
      --blue-800:#1d568d;
      --blue-700:#2174b9;
      --blue-600:#2f8bd0;
      --blue-100:#e7f2fb;
      --blue-50:#f3f8fc;
      --ink:#172536;
      --muted:#63758a;
      --muted-2:#8c9bad;
      --line:#dce7f0;
      --white:#fff;
      --warm:#f4b85f;
      --green:#2e9278;
      --radius-sm:10px;
      --radius-md:16px;
      --radius-lg:24px;
      --shadow-sm:0 8px 24px rgba(28,70,108,.07);
      --shadow-md:0 18px 45px rgba(28,70,108,.12);
      --shadow-lg:0 28px 70px rgba(23,61,104,.18);
      --container:1180px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:#fff;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
      font-size:16px;
      line-height:1.8;
      -webkit-font-smoothing:antialiased;
    }
    h1,h2,h3,h4,p,ul,ol{margin-top:0}
    h1,h2,h3,h4{line-height:1.25;letter-spacing:-.02em}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;height:auto;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(47,139,208,.35);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--blue-700);font-size:13px;font-weight:700;letter-spacing:.12em;
      text-transform:uppercase;
    }
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--warm);display:inline-block}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:42px}
    .section-head h2{font-size:clamp(30px,4vw,46px);margin:12px 0 0;color:var(--blue-950)}
    .section-head p{max-width:530px;margin:0;color:var(--muted)}
    .text-link{color:var(--blue-700);font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:var(--ease)}
    .text-link:hover{color:var(--blue-950);gap:12px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:0 21px;border-radius:11px;border:1px solid transparent;
      font-size:15px;font-weight:700;transition:var(--ease);white-space:nowrap;
    }
    .btn-primary{background:var(--blue-700);color:#fff;box-shadow:0 8px 18px rgba(33,116,185,.22)}
    .btn-primary:hover{background:var(--blue-900);transform:translateY(-2px);box-shadow:0 12px 24px rgba(33,116,185,.28)}
    .btn-secondary{background:#fff;color:var(--blue-800);border-color:#bfd5e5}
    .btn-secondary:hover{border-color:var(--blue-700);background:var(--blue-50);transform:translateY(-2px)}
    .btn-ghost{background:transparent;color:var(--blue-700);padding-left:0;padding-right:0}
    .btn:active{transform:translateY(1px)}
    .site-header{position:fixed;z-index:20;top:0;left:0;width:100%;transition:var(--ease);border-bottom:1px solid transparent}
    .site-header.scrolled{background:rgba(255,255,255,.96);border-color:var(--line);box-shadow:var(--shadow-sm);backdrop-filter:blur(14px)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
    .brand{display:inline-flex;align-items:center;gap:10px;font-size:21px;font-weight:900;color:var(--blue-950);white-space:nowrap}
    .brand-mark{position:relative;width:34px;height:34px;border-radius:10px;background:var(--blue-700);overflow:hidden}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;transform:skew(-25deg)}
    .brand-mark:before{width:7px;height:25px;left:9px;top:5px}
    .brand-mark:after{width:7px;height:17px;left:20px;top:9px;background:var(--warm)}
    .main-nav{display:flex;align-items:center;gap:3px;margin-left:auto}
    .main-nav>a,.mega-trigger{border:0;background:transparent;padding:10px 12px;border-radius:8px;color:#52677d;font-size:14px;transition:var(--ease)}
    .main-nav>a:hover,.main-nav>a.active,.mega-trigger:hover,.mega-trigger[aria-expanded="true"]{color:var(--blue-700);background:var(--blue-50)}
    .mega{position:relative}
    .mega-trigger{display:flex;align-items:center;gap:5px}
    .chevron{font-size:12px;transition:var(--ease)}
    .mega-trigger[aria-expanded="true"] .chevron{transform:rotate(180deg)}
    .mega-panel{position:absolute;right:0;top:51px;width:520px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);display:none;grid-template-columns:1.05fr .95fr;gap:22px}
    .mega-panel.open{display:grid}
    .mega-panel h4{font-size:13px;color:var(--muted-2);margin-bottom:12px}
    .mega-list{display:grid;gap:7px}
    .mega-list a{padding:8px 10px;border-radius:8px;color:var(--blue-900);font-size:14px}
    .mega-list a:hover{background:var(--blue-50);color:var(--blue-700)}
    .mega-feature{padding:16px;background:var(--blue-50);border-radius:12px}
    .mega-feature strong{display:block;color:var(--blue-950);margin-bottom:4px}
    .mega-feature p{font-size:13px;color:var(--muted);margin-bottom:12px}
    .nav-cta{margin-left:5px}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--blue-900);width:42px;height:42px;border-radius:9px}
    .hero{
      position:relative;overflow:hidden;padding:150px 0 86px;
      background:linear-gradient(120deg,#f5faff 0%,#edf6fc 52%,#fff 100%);
    }
    .hero:before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center;opacity:.13}
    .hero:after{content:"";position:absolute;right:-80px;top:110px;width:430px;height:430px;border:1px solid rgba(47,139,208,.16);border-radius:50%;box-shadow:0 0 0 35px rgba(47,139,208,.035),0 0 0 70px rgba(47,139,208,.025)}
    .hero .container{position:relative;z-index:1}
    .hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:72px;align-items:center}
    .hero h1{font-size:clamp(42px,5.5vw,72px);max-width:700px;color:var(--blue-950);margin:17px 0 22px}
    .hero h1 em{font-style:normal;color:var(--blue-700);position:relative}
    .hero h1 em:after{content:"";position:absolute;left:4px;right:3px;bottom:-5px;height:5px;background:var(--warm);opacity:.75}
    .hero-copy{font-size:18px;color:#51687d;max-width:650px;margin-bottom:28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
    .trust-row{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font-size:13px}
    .trust-row span{display:inline-flex;align-items:center;gap:7px}
    .trust-row i{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block}
    .hero-stage{position:relative;min-height:420px}
    .hero-image{position:absolute;right:0;top:0;width:76%;height:310px;border-radius:22px;box-shadow:var(--shadow-lg);overflow:hidden}
    .hero-image img{height:100%}
    .image-shade{position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(16,43,76,.72))}
    .image-caption{position:absolute;left:22px;right:22px;bottom:18px;color:#fff}
    .image-caption small{opacity:.78}
    .image-caption strong{display:block;font-size:20px;margin-top:4px}
    .hero-note{position:absolute;left:0;bottom:0;width:250px;background:#fff;padding:20px;border-radius:16px;box-shadow:var(--shadow-md);border:1px solid var(--line)}
    .hero-note .note-number{font-size:36px;color:var(--blue-700);font-weight:900;line-height:1}
    .hero-note p{font-size:13px;color:var(--muted);margin:8px 0 0}
    .hero-mini{position:absolute;right:-4px;bottom:22px;width:180px;padding:15px;background:var(--blue-950);color:#fff;border-radius:14px;box-shadow:var(--shadow-md)}
    .hero-mini span{font-size:12px;color:#aec9df}.hero-mini strong{display:block;font-size:17px;margin:4px 0 8px}.mini-line{height:4px;background:var(--warm);width:70%;border-radius:4px}
    section{padding:92px 0}
    .services{background:#fff}
    .service-layout{display:grid;grid-template-columns:280px 1fr;gap:32px}
    .service-index{border-left:2px solid var(--line);padding-left:22px}
    .service-index a{display:block;padding:13px 0;color:var(--muted);border-bottom:1px solid #edf2f6;font-weight:700}
    .service-index a:hover,.service-index a.active{color:var(--blue-700)}
    .service-feature{display:grid;grid-template-columns:1.1fr .9fr;min-height:360px;background:var(--blue-50);border-radius:var(--radius-lg);overflow:hidden;border:1px solid #d9eaf5}
    .service-feature-content{padding:38px 40px}
    .service-feature h3{font-size:31px;color:var(--blue-950);margin:16px 0 13px}
    .service-feature p{color:var(--muted);margin-bottom:24px}
    .service-feature-image{min-height:280px}
    .service-feature-image img{height:100%}
    .service-subgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:16px}
    .small-card{padding:23px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:var(--ease)}
    .small-card:hover{border-color:#abd0e8;transform:translateY(-4px);box-shadow:var(--shadow-sm)}
    .small-card h4{margin:9px 0 6px;font-size:19px;color:var(--blue-950)}
    .small-card p{font-size:14px;color:var(--muted);margin:0 0 11px}
    .card-meta{font-size:12px;color:var(--muted-2)}
    .icon-box{width:34px;height:34px;border-radius:9px;background:var(--blue-100);color:var(--blue-700);display:grid;place-items:center;font-weight:900}
    .data-section{background:var(--blue-950);color:#fff;position:relative;overflow:hidden}
    .data-section:before{content:"";position:absolute;inset:0;opacity:.1;background-image:linear-gradient(90deg,transparent 49%,#fff 50%,transparent 51%),linear-gradient(0deg,transparent 49%,#fff 50%,transparent 51%);background-size:42px 42px}
    .data-section .container{position:relative}
    .data-top{display:grid;grid-template-columns:1fr 1.5fr;gap:65px;align-items:end;margin-bottom:46px}
    .data-top h2{font-size:42px;margin:12px 0 0}.data-top p{color:#b7cbdd;margin:0}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.16)}
    .metric{padding:26px 23px;background:rgba(16,43,76,.72)}
    .metric strong{font-size:39px;line-height:1;color:#fff;display:block;margin-bottom:12px}
    .metric span{font-size:13px;color:#bed2e2}
    .metric small{display:block;color:#7fa8c9;margin-top:5px}
    .category-strip{background:#f5f9fc}
    .category-grid{display:grid;grid-template-columns:1.35fr .85fr .85fr;gap:17px}
    .category-card{position:relative;min-height:205px;border-radius:16px;overflow:hidden;color:#fff;background:var(--blue-900);transition:var(--ease)}
    .category-card.large{grid-row:span 2;min-height:427px}
    .category-card img{height:100%;position:absolute;inset:0;opacity:.72;transition:var(--ease)}
    .category-card:hover img{transform:scale(1.05)}
    .category-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(16,43,76,.9),rgba(16,43,76,.05))}
    .category-card-content{position:absolute;z-index:1;left:24px;right:24px;bottom:21px}
    .category-card h3{font-size:24px;margin:8px 0 4px}.category-card p{font-size:13px;margin:0;color:#e1edf6}
    .pill{display:inline-flex;padding:4px 9px;border-radius:6px;background:rgba(255,255,255,.16);font-size:12px;color:inherit}
    .case-section{background:#fff}
    .case-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:26px}
    .case-main{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}
    .case-main-image{height:340px;position:relative}.case-main-image img{height:100%}.case-main-image .pill{position:absolute;top:18px;left:18px;background:#fff;color:var(--blue-800)}
    .case-main-body{padding:26px 29px 30px}.case-main-body h3{font-size:28px;margin:10px 0}.case-main-body p{color:var(--muted);margin-bottom:17px}
    .case-side{display:grid;gap:14px}
    .case-item{display:grid;grid-template-columns:115px 1fr;gap:17px;padding:14px;border:1px solid var(--line);border-radius:14px;transition:var(--ease)}
    .case-item:hover{transform:translateX(4px);border-color:#b4d7eb;box-shadow:var(--shadow-sm)}
    .case-item img{height:96px;border-radius:10px}.case-item h4{font-size:17px;margin:7px 0 4px}.case-item p{color:var(--muted);font-size:13px;line-height:1.6;margin:0}
    .deep-section{background:var(--blue-50)}
    .deep-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:72px;align-items:start}
    .deep-layout h2{font-size:42px;color:var(--blue-950);margin:14px 0 18px}.deep-intro{color:var(--muted)}
    .deep-copy{columns:2;column-gap:35px;color:#50667b}.deep-copy p{break-inside:avoid;margin-bottom:20px}.deep-copy strong{color:var(--blue-900)}
    .reading-path{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .path-layout{display:grid;grid-template-columns:1fr 1fr;gap:75px;align-items:center}
    .path-layout h2{font-size:40px;color:var(--blue-950);margin:13px 0 17px}.path-layout>div>p{color:var(--muted)}
    .path-list{display:grid;gap:0}.path-step{display:grid;grid-template-columns:54px 1fr;gap:18px;padding:19px 0;border-bottom:1px solid var(--line)}.path-step:last-child{border:0}
    .step-num{width:42px;height:42px;border-radius:50%;background:var(--blue-100);color:var(--blue-700);display:grid;place-items:center;font-weight:900}
    .path-step h3{font-size:19px;margin:2px 0 4px}.path-step p{font-size:14px;color:var(--muted);margin:0}
    .news-section{background:#f7fafc}
    .news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:50px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:96px 1fr auto;gap:21px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .news-date{font-size:13px;color:var(--blue-700);font-weight:800}.news-date small{display:block;color:var(--muted-2);font-weight:400}
    .news-item h3{font-size:18px;margin:0 0 5px}.news-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.65}
    .news-item .text-link{font-size:13px}
    .news-side{padding:28px;background:#fff;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .news-side h3{font-size:25px;color:var(--blue-950);margin-bottom:11px}.news-side p{color:var(--muted);font-size:14px}
    .quote{padding:18px 0;border-top:1px solid var(--line);color:var(--blue-900);font-size:17px;font-weight:700}
    .brand-section{background:#fff}
    .brand-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px;padding:52px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(135deg,#fff,#f1f8fd)}
    .brand-layout h2{font-size:39px;color:var(--blue-950);margin:13px 0}.brand-layout .lead{color:var(--blue-700);font-weight:700}.brand-copy{color:#536a7e}.brand-copy p{margin-bottom:18px}
    .highlight-list{display:grid;grid-template-columns:repeat(2,1fr);gap:13px;margin-top:25px}.highlight-list div{padding:14px;background:#fff;border:1px solid var(--line);border-radius:11px;font-size:14px;color:var(--blue-900)}
    .guide-section{background:var(--blue-50)}
    .guide-layout{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.guide-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:24px}.guide-card:nth-child(1){grid-column:span 5}.guide-card:nth-child(2){grid-column:span 4}.guide-card:nth-child(3){grid-column:span 3}.guide-card:nth-child(4){grid-column:span 7}.guide-card:nth-child(5){grid-column:span 5}
    .guide-card h3{font-size:21px;color:var(--blue-950);margin:12px 0 7px}.guide-card p{font-size:14px;color:var(--muted);margin:0}
    .trust-section{padding:62px 0;background:#fff}.trust-line{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.trust-line strong{font-size:18px;color:var(--blue-950)}.trust-points{display:flex;gap:30px;flex-wrap:wrap;color:var(--muted);font-size:14px}.trust-points span:before{content:"✓";color:var(--green);font-weight:900;margin-right:7px}
    .faq-section{background:#f6f9fb}.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:75px}.faq-layout h2{font-size:40px;color:var(--blue-950);margin:14px 0}.faq-layout>div>p{color:var(--muted)}
    .faq-list{display:grid;gap:10px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}.faq-question{width:100%;padding:18px 21px;border:0;background:#fff;text-align:left;display:flex;justify-content:space-between;align-items:center;color:var(--blue-950);font-weight:800}.faq-question span:last-child{font-size:22px;color:var(--blue-700);transition:var(--ease)}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}.faq-answer{display:none;padding:0 21px 19px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}
    .contact-section{background:linear-gradient(110deg,#eaf5fc,#f8fbfd)}
    .contact-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}.contact-layout h2{font-size:42px;color:var(--blue-950);margin:13px 0 17px}.contact-layout>div>p{color:var(--muted)}.contact-list{margin-top:25px;display:grid;gap:12px;color:var(--blue-900);font-size:14px}.contact-list span{color:var(--muted)}
    .contact-form{background:#fff;border:1px solid var(--line);padding:28px;border-radius:18px;box-shadow:var(--shadow-md)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:800;color:var(--blue-950)}.field input,.field textarea{border:1px solid #cbdbe7;border-radius:9px;padding:12px 13px;color:var(--ink);background:#fbfdff;transition:var(--ease)}.field textarea{min-height:118px;resize:vertical}.field input:hover,.field textarea:hover,.field input:focus,.field textarea:focus{border-color:var(--blue-600);background:#fff;outline:0;box-shadow:0 0 0 3px rgba(47,139,208,.12)}.form-note{font-size:12px;color:var(--muted-2);margin:15px 0}.form-status{font-size:13px;color:var(--green);margin:13px 0 0;display:none}.form-status.show{display:block}
    .final-cta{padding:65px 0;background:var(--blue-900);color:#fff}.final-cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.final-cta h2{font-size:34px;margin:0 0 8px}.final-cta p{margin:0;color:#c8dceb}.final-cta .btn-primary{background:var(--warm);color:var(--blue-950);box-shadow:none}.final-cta .btn-primary:hover{background:#ffd187}
    footer{background:#edf4f8;padding:52px 0 24px;color:var(--muted)}.footer-top{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:38px;padding-bottom:38px;border-bottom:1px solid #d4e2ec}.footer-brand p{font-size:14px;max-width:280px}.footer-title{font-weight:800;color:var(--blue-950);margin-bottom:13px}.footer-links{display:grid;gap:7px;font-size:14px}.footer-links a:hover{color:var(--blue-700)}.footer-bottom{padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12px}.footer-bottom a{color:var(--blue-700);margin-left:15px}
    .top-btn{position:fixed;right:22px;bottom:22px;width:43px;height:43px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--blue-700);box-shadow:var(--shadow-sm);opacity:0;pointer-events:none;transition:var(--ease);z-index:10}.top-btn.visible{opacity:1;pointer-events:auto}.top-btn:hover{background:var(--blue-700);color:#fff}
    @media(max-width:1024px){.main-nav>a,.mega-trigger{padding-left:8px;padding-right:8px;font-size:13px}.nav-wrap{gap:15px}.hero-grid{gap:38px}.data-top{gap:30px}.deep-layout,.contact-layout{gap:38px}}
    @media(max-width:768px){.container{width:min(calc(100% - 36px),var(--container))}.site-header{background:rgba(255,255,255,.96);border-color:var(--line)}.nav-wrap{height:68px}.main-nav{display:none;position:absolute;top:68px;left:18px;right:18px;background:#fff;padding:12px;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);align-items:stretch;flex-direction:column}.main-nav.mobile-open{display:flex}.main-nav>a,.mega-trigger{width:100%;text-align:left;padding:11px 12px}.mega-panel{position:static;width:auto;margin:8px 0 0;grid-template-columns:1fr;padding:15px}.nav-cta{display:none}.menu-toggle{display:block;margin-left:auto}.hero{padding:115px 0 58px}.hero-grid,.service-layout,.service-feature,.case-layout,.deep-layout,.path-layout,.news-layout,.brand-layout,.faq-layout,.contact-layout{grid-template-columns:1fr}.hero-stage{min-height:390px;margin-top:10px}.hero-image{width:83%;height:275px}.hero-note{width:215px}.hero-mini{right:0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:14px}.service-index{display:flex;gap:8px;overflow-x:auto;border-left:0;border-bottom:1px solid var(--line);padding:0 0 10px}.service-index a{white-space:nowrap;border:1px solid var(--line);padding:7px 12px;border-radius:7px;font-size:13px}.service-feature-content{padding:29px}.service-feature-image{height:235px;min-height:0}.service-subgrid{grid-template-columns:1fr}.data-top{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,1fr)}.metric strong{font-size:32px}.category-grid{grid-template-columns:1fr 1fr}.category-card.large{grid-column:1/-1;grid-row:auto;min-height:280px}.category-card{min-height:190px}.deep-copy{columns:1}.guide-layout{display:grid;grid-template-columns:1fr}.guide-card,.guide-card:nth-child(n){grid-column:auto}.news-item{grid-template-columns:74px 1fr}.news-item .text-link{grid-column:2}.news-item p{max-width:100%}.brand-layout{padding:30px;gap:25px}.highlight-list{grid-template-columns:1fr}.final-cta-inner{display:block}.final-cta .btn{margin-top:22px}.footer-top{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){body{font-size:15px}.container{width:min(calc(100% - 28px),var(--container))}.brand{font-size:18px}.hero h1{font-size:39px}.hero-copy{font-size:16px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn{width:100%}.hero-stage{min-height:350px}.hero-image{width:100%;height:245px}.hero-note{left:8px;bottom:0;width:190px;padding:15px}.hero-note .note-number{font-size:29px}.hero-mini{width:148px;bottom:17px;padding:12px}.hero-mini strong{font-size:14px}.metrics{gap:1px}.metric{padding:19px 14px}.metric strong{font-size:27px}.metric span{font-size:12px}.category-grid{grid-template-columns:1fr}.category-card.large{min-height:250px}.category-card{min-height:170px}.case-main-image{height:235px}.case-item{grid-template-columns:88px 1fr}.case-item img{height:80px}.case-item h4{font-size:15px}.path-layout h2,.faq-layout h2,.contact-layout h2{font-size:32px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-top{grid-template-columns:1fr;gap:23px}.footer-bottom{display:block}.footer-bottom a{margin:8px 12px 0 0;display:inline-block}.section-head h2{font-size:32px}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
      --blue-950:#102b4c;
      --blue-900:#173d68;
      --blue-800:#1d568d;
      --blue-700:#2174b9;
      --blue-600:#2f8bd0;
      --blue-100:#e7f2fb;
      --blue-50:#f3f8fc;
      --ink:#172536;
      --muted:#63758a;
      --muted-2:#8c9bad;
      --line:#dce7f0;
      --white:#fff;
      --warm:#f4b85f;
      --green:#2e9278;
      --red:#c96d64;
      --radius-sm:10px;
      --radius-md:16px;
      --radius-lg:24px;
      --shadow-sm:0 8px 24px rgba(28,70,108,.07);
      --shadow-md:0 18px 45px rgba(28,70,108,.12);
      --shadow-lg:0 28px 70px rgba(23,61,104,.18);
      --container:1180px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:#fff;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
      font-size:16px;
      line-height:1.8;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;height:auto;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(244,184,95,.85);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;color:var(--blue-700);
      font-size:13px;font-weight:700;letter-spacing:.12em;
    }
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--warm);display:inline-block}
    .section{padding:94px 0}
    .section-head{
      display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:42px
    }
    .section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.25;margin:12px 0 0;color:var(--blue-950)}
    .section-head p{max-width:550px;margin:0;color:var(--muted)}
    .text-link{color:var(--blue-700);font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:var(--ease)}
    .text-link:hover{color:var(--blue-950);gap:12px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;
      padding:0 21px;border-radius:11px;border:1px solid transparent;font-size:15px;
      font-weight:700;transition:var(--ease);white-space:nowrap
    }
    .btn-primary{background:var(--blue-700);color:#fff;box-shadow:0 8px 18px rgba(33,116,185,.22)}
    .btn-primary:hover{background:var(--blue-900);transform:translateY(-2px);box-shadow:0 12px 24px rgba(33,116,185,.28)}
    .btn-secondary{background:#fff;color:var(--blue-800);border-color:#bfd5e5}
    .btn-secondary:hover{border-color:var(--blue-700);background:var(--blue-50);transform:translateY(-2px)}
    .btn-ghost{background:transparent;color:var(--blue-700);padding-left:0;padding-right:0}
    .btn:active{transform:translateY(1px)}
    .site-header{position:fixed;z-index:20;top:0;left:0;width:100%;transition:var(--ease);border-bottom:1px solid transparent;background:rgba(255,255,255,.92);backdrop-filter:blur(12px)}
    .site-header.scrolled{background:rgba(255,255,255,.97);border-color:var(--line);box-shadow:var(--shadow-sm)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
    .brand{display:inline-flex;align-items:center;gap:10px;font-size:21px;font-weight:900;color:var(--blue-950);white-space:nowrap}
    .brand-mark{position:relative;width:34px;height:34px;border-radius:10px;background:var(--blue-700);overflow:hidden}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;transform:skew(-25deg)}
    .brand-mark:before{width:7px;height:25px;left:9px;top:5px}
    .brand-mark:after{width:7px;height:17px;left:20px;top:9px;background:var(--warm)}
    .main-nav{display:flex;align-items:center;gap:3px;margin-left:auto}
    .main-nav>a,.mega-trigger{
      border:0;background:transparent;padding:10px 12px;border-radius:8px;color:#52677d;
      font-size:14px;transition:var(--ease)
    }
    .main-nav>a:hover,.main-nav>a.active,.mega-trigger:hover,.mega-trigger[aria-expanded="true"]{color:var(--blue-700);background:var(--blue-50)}
    .mega{position:relative}
    .mega-trigger{display:flex;align-items:center;gap:5px}
    .chevron{transition:transform .25s ease}
    .mega-trigger[aria-expanded="true"] .chevron{transform:rotate(180deg)}
    .mega-panel{
      position:absolute;right:0;top:51px;width:520px;padding:22px;background:#fff;
      border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);
      display:none;grid-template-columns:1.05fr .95fr;gap:22px
    }
    .mega-panel.open{display:grid}
    .mega-panel h4{font-size:13px;color:var(--muted-2);margin:0 0 12px}
    .mega-list{display:grid;gap:7px}
    .mega-list a{padding:8px 10px;border-radius:8px;color:var(--blue-900);font-size:14px}
    .mega-list a:hover{background:var(--blue-50);color:var(--blue-700)}
    .mega-feature{padding:16px;background:var(--blue-50);border-radius:12px}
    .mega-feature strong{display:block;color:var(--blue-950);margin-bottom:4px}
    .mega-feature p{font-size:13px;color:var(--muted);margin:0 0 12px}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--blue-900);width:42px;height:42px;border-radius:9px}
    .page-hero{
      position:relative;overflow:hidden;padding:145px 0 76px;
      background:linear-gradient(120deg,#f4faff 0%,#edf6fc 55%,#fff 100%)
    }
    .page-hero:before{
      content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-2.webp") center/cover;
      opacity:.13
    }
    .page-hero:after{
      content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(33,116,185,.15);
      border-radius:50%;right:-100px;top:92px;box-shadow:0 0 0 36px rgba(33,116,185,.035),0 0 0 72px rgba(33,116,185,.025)
    }
    .page-hero .container{position:relative;z-index:1}
    .crumbs{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px}
    .crumbs a:hover{color:var(--blue-700)}
    .page-hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:58px;align-items:center}
    .page-hero h1{font-size:clamp(40px,5.5vw,68px);line-height:1.2;color:var(--blue-950);margin:14px 0 20px;max-width:680px}
    .page-hero h1 em{font-style:normal;color:var(--blue-700);position:relative}
    .page-hero h1 em:after{content:"";position:absolute;left:3px;right:2px;bottom:-6px;height:5px;background:var(--warm);opacity:.8}
    .page-hero-copy{font-size:18px;color:#526a80;max-width:650px;margin:0 0 27px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero-visual{position:relative;min-height:310px}
    .hero-visual img{height:310px;border-radius:22px;box-shadow:var(--shadow-lg)}
    .floating-note{
      position:absolute;left:-30px;bottom:-22px;background:#fff;border:1px solid var(--line);
      border-radius:14px;padding:16px 18px;box-shadow:var(--shadow-md);min-width:200px
    }
    .floating-note small{display:block;color:var(--muted-2);font-size:12px}
    .floating-note strong{display:block;color:var(--blue-950);font-size:18px;margin-top:2px}
    .section-soft{background:var(--blue-50)}
    .intro-grid{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start}
    .intro-grid h2{font-size:36px;line-height:1.35;color:var(--blue-950);margin:10px 0 0}
    .intro-copy p{color:var(--muted);margin:0 0 18px}
    .intro-copy p:last-child{margin-bottom:0}
    .feature-banner{
      display:grid;grid-template-columns:1.08fr .92fr;border:1px solid var(--line);
      border-radius:22px;overflow:hidden;background:#fff;box-shadow:var(--shadow-md)
    }
    .feature-banner img{height:390px}
    .feature-content{padding:38px 40px;display:flex;flex-direction:column;justify-content:center}
    .tag{
      display:inline-flex;width:max-content;align-items:center;padding:4px 10px;border-radius:6px;
      background:var(--blue-100);color:var(--blue-800);font-size:12px;font-weight:700
    }
    .tag.warm{background:#fff3df;color:#9b681f}
    .feature-content h3{font-size:30px;line-height:1.4;color:var(--blue-950);margin:18px 0 13px}
    .feature-content p{color:var(--muted);margin:0 0 22px}
    .meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted-2);font-size:13px}
    .meta span{display:inline-flex;align-items:center;gap:6px}
    .meta i{width:6px;height:6px;border-radius:50%;background:var(--warm);display:inline-block}
    .latest-layout{display:grid;grid-template-columns:8fr 4fr;gap:50px;align-items:start}
    .news-list{border-top:1px solid var(--line)}
    .news-item{
      display:grid;grid-template-columns:104px 1fr 100px;gap:22px;align-items:center;
      padding:23px 0;border-bottom:1px solid var(--line);transition:var(--ease)
    }
    .news-item:hover{padding-left:10px;background:linear-gradient(90deg,var(--blue-50),transparent)}
    .news-date{color:var(--blue-800);font-size:14px;font-weight:700}
    .news-date small{display:block;color:var(--muted-2);font-weight:400}
    .news-item h3{font-size:19px;color:var(--blue-950);margin:0 0 5px;line-height:1.45}
    .news-item h3 a:hover{color:var(--blue-700)}
    .news-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.7}
    .news-item .text-link{font-size:13px;justify-self:end}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:var(--shadow-sm)}
    .side-card h3{font-size:20px;color:var(--blue-950);margin:0 0 18px}
    .side-card + .side-card{margin-top:18px}
    .topic-links{display:flex;flex-wrap:wrap;gap:8px}
    .topic-links a{padding:8px 11px;background:var(--blue-50);border-radius:8px;color:var(--blue-800);font-size:13px;transition:var(--ease)}
    .topic-links a:hover{background:var(--blue-100);color:var(--blue-700);transform:translateY(-2px)}
    .side-list{display:grid;gap:14px}
    .side-list a{display:grid;grid-template-columns:34px 1fr;gap:11px;align-items:start;font-size:14px;color:var(--blue-900);line-height:1.55}
    .side-list b{color:var(--warm);font-size:18px}
    .side-list a:hover{color:var(--blue-700)}
    .data-strip{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:0;background:var(--blue-950);border-radius:20px;padding:10px;box-shadow:var(--shadow-md)}
    .data-intro,.data-point{padding:28px 25px}
    .data-intro{border-right:1px solid rgba(255,255,255,.16)}
    .data-intro h3{color:#fff;font-size:22px;margin:0 0 7px}
    .data-intro p{color:#afc4d8;font-size:13px;margin:0}
    .data-point{border-right:1px solid rgba(255,255,255,.16)}
    .data-point:last-child{border-right:0}
    .data-point strong{display:block;font-size:35px;line-height:1.2;color:#fff}
    .data-point span{display:block;color:#b5c8da;font-size:13px;margin-top:8px}
    .rhythm{display:grid;grid-template-columns:7fr 5fr;gap:62px;align-items:center}
    .rhythm h2{font-size:34px;line-height:1.35;color:var(--blue-950);margin:12px 0 18px}
    .rhythm p{color:var(--muted);margin:0 0 17px}
    .check-list{display:grid;gap:12px;margin:24px 0 0;padding:0;list-style:none}
    .check-list li{display:flex;gap:11px;color:var(--blue-900)}
    .check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 23px;height:23px;border-radius:50%;background:#e4f3ed;color:var(--green);font-size:13px;font-weight:800;margin-top:4px}
    .rhythm-card{position:relative;border-radius:20px;overflow:hidden;min-height:350px}
    .rhythm-card img{height:350px}
    .rhythm-card figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 24px 21px;color:#fff;background:linear-gradient(transparent,rgba(16,43,76,.9))}
    .rhythm-card figcaption strong{display:block;font-size:21px}
    .rhythm-card figcaption span{font-size:13px;color:#d8e7f2}
    .timeline-section{background:#f8fbfd}
    .timeline{position:relative;max-width:930px;margin:0 auto}
    .timeline:before{content:"";position:absolute;left:126px;top:8px;bottom:8px;width:1px;background:#c9dce9}
    .timeline-row{display:grid;grid-template-columns:105px 43px 1fr;gap:20px;align-items:start;padding:14px 0}
    .timeline-time{font-size:13px;color:var(--muted-2);text-align:right;padding-top:9px}
    .timeline-dot{position:relative;width:15px;height:15px;border-radius:50%;background:var(--blue-600);border:4px solid #e2f0f8;margin:8px auto 0;z-index:1}
    .timeline-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px 21px;transition:var(--ease)}
    .timeline-card:hover{border-color:#a9cce3;box-shadow:var(--shadow-sm);transform:translateX(4px)}
    .timeline-card strong{display:block;color:var(--blue-950);font-size:17px}
    .timeline-card p{margin:4px 0 0;color:var(--muted);font-size:14px}
    .reading-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .reading-card{border:1px solid var(--line);border-radius:16px;padding:24px;background:#fff;transition:var(--ease)}
    .reading-card:nth-child(2){margin-top:28px}
    .reading-card:nth-child(3){margin-top:56px}
    .reading-card:hover{transform:translateY(-5px);border-color:#a9cce3;box-shadow:var(--shadow-md)}
    .reading-card .num{font-size:34px;color:var(--warm);font-weight:800;line-height:1}
    .reading-card h3{font-size:19px;color:var(--blue-950);margin:15px 0 8px}
    .reading-card p{font-size:14px;color:var(--muted);margin:0}
    .faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:70px;align-items:start}
    .faq-layout h2{font-size:35px;line-height:1.35;color:var(--blue-950);margin:12px 0 16px}
    .faq-layout>div>p{color:var(--muted);margin:0}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line)}
    summary{list-style:none;cursor:pointer;min-height:66px;padding:19px 42px 19px 0;position:relative;color:var(--blue-950);font-weight:700}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:6px;top:15px;color:var(--blue-700);font-size:25px;font-weight:400}
    details[open] summary:after{content:"−"}
    details p{margin:-4px 35px 19px 0;color:var(--muted);font-size:14px}
    .cta-section{padding:76px 0;background:linear-gradient(105deg,var(--blue-900),var(--blue-800));color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:35px}
    .cta-inner h2{font-size:35px;line-height:1.35;margin:12px 0 9px;color:#fff}
    .cta-inner p{color:#c8d9e7;margin:0;max-width:680px}
    .cta-section .btn-primary{background:#fff;color:var(--blue-900);box-shadow:none}
    .cta-section .btn-primary:hover{background:#f2f8fc;color:var(--blue-700)}
    footer{background:#102b4c;color:#d5e1eb;padding:53px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px}
    .footer-brand .brand{color:#fff;margin-bottom:14px}
    .footer-brand p{max-width:300px;color:#a9bfd1;font-size:14px;margin:0}
    .footer-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:13px}
    .footer-links{display:grid;gap:7px}
    .footer-links a{font-size:13px;color:#a9bfd1;transition:var(--ease)}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.14);padding-top:21px;color:#91aabd;font-size:12px}
    .footer-bottom a{margin-left:15px;color:#c6d8e5}
    @media(max-width:1024px){
      .main-nav>a,.mega-trigger{padding-left:8px;padding-right:8px;font-size:13px}
      .nav-wrap{gap:14px}
      .page-hero-grid,.feature-banner,.rhythm{gap:35px}
      .latest-layout{gap:30px}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 34px),var(--container))}
      .section{padding:70px 0}
      .nav-wrap{height:68px}
      .menu-toggle{display:block;margin-left:auto;font-size:0}
      .menu-toggle:before{content:"☰";font-size:20px}
      .main-nav{
        position:absolute;left:17px;right:17px;top:76px;background:#fff;border:1px solid var(--line);
        border-radius:15px;box-shadow:var(--shadow-lg);padding:12px;display:none;align-items:stretch;
        flex-direction:column;max-height:calc(100vh - 92px);overflow:auto
      }
      .main-nav.open{display:flex}
      .main-nav>a,.mega-trigger{padding:12px 13px;text-align:left}
      .mega-panel{position:static;width:auto;margin-top:5px;grid-template-columns:1fr;box-shadow:none;padding:12px;border-radius:10px}
      .nav-cta{display:none}
      .page-hero{padding:119px 0 64px}
      .page-hero-grid,.feature-banner,.latest-layout,.intro-grid,.rhythm,.faq-layout{grid-template-columns:1fr}
      .page-hero h1{font-size:43px}
      .hero-visual{min-height:245px}
      .hero-visual img,.rhythm-card img{height:245px}
      .floating-note{left:15px;bottom:-18px}
      .section-head{display:block;margin-bottom:30px}
      .section-head p{margin-top:13px}
      .feature-content{padding:28px 25px}
      .feature-banner img{height:245px}
      .news-item{grid-template-columns:82px 1fr;gap:13px}
      .news-item .text-link{grid-column:2;justify-self:start}
      .data-strip{grid-template-columns:1fr 1fr}
      .data-intro{grid-column:1/-1;border-right:0;border-bottom:1px solid rgba(255,255,255,.16)}
      .data-point{padding:22px 18px}
      .data-point:nth-child(3){border-right:0}
      .data-point strong{font-size:29px}
      .timeline:before{left:73px}
      .timeline-row{grid-template-columns:55px 37px 1fr;gap:9px}
      .timeline-card{padding:14px}
      .reading-grid{grid-template-columns:1fr}
      .reading-card:nth-child(2),.reading-card:nth-child(3){margin-top:0}
      .cta-inner{display:block}
      .cta-inner .btn{margin-top:24px}
      .footer-top{grid-template-columns:1fr 1fr;gap:28px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}
      .brand{font-size:19px}
      .page-hero h1{font-size:36px}
      .page-hero-copy{font-size:16px}
      .hero-actions .btn{width:100%}
      .news-item{grid-template-columns:1fr}
      .news-item .text-link{grid-column:auto}
      .data-strip{grid-template-columns:1fr}
      .data-intro{grid-column:auto}
      .data-point{border-right:0!important;border-bottom:1px solid rgba(255,255,255,.16)}
      .data-point:last-child{border-bottom:0}
      .timeline:before{left:54px}
      .timeline-row{grid-template-columns:45px 19px 1fr;gap:8px}
      .timeline-time{font-size:12px}
      .timeline-card strong{font-size:15px}
      .footer-top{grid-template-columns:1fr}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:8px}
      .footer-bottom a:first-child{margin-left:0}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category3 */
:root{
 --blue-950:#102b4c;
 --blue-900:#173d68;
 --blue-800:#1d568d;
 --blue-700:#2174b9;
 --blue-600:#2f8bd0;
 --blue-100:#e7f2fb;
 --blue-50:#f3f8fc;
 --ink:#172536;
 --muted:#63758a;
 --muted-2:#8c9bad;
 --line:#dce7f0;
 --white:#fff;
 --warm:#f4b85f;
 --green:#2e9278;
 --red:#d8796b;
 --radius-sm:10px;
 --radius-md:16px;
 --radius-lg:24px;
 --shadow-sm:0 8px 24px rgba(28,70,108,.07);
 --shadow-md:0 18px 45px rgba(28,70,108,.12);
 --shadow-lg:0 28px 70px rgba(23,61,104,.18);
 --container:1180px;
 --ease:all .25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 color:var(--ink);
 background:#fff;
 font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
 font-size:16px;
 line-height:1.8;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:auto;object-fit:cover}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 color:var(--blue-700);font-size:13px;font-weight:700;letter-spacing:.12em;
}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--warm);display:inline-block}
.section{padding:94px 0}
.section-head{
 display:flex;justify-content:space-between;align-items:end;
 gap:32px;margin-bottom:40px
}
.section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.25;margin:12px 0 0;color:var(--blue-950)}
.section-head p{max-width:540px;margin:0;color:var(--muted)}
.text-link{
 color:var(--blue-700);font-weight:700;display:inline-flex;align-items:center;
 gap:8px;transition:var(--ease)
}
.text-link:hover{color:var(--blue-950);gap:12px}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 min-height:48px;padding:0 21px;border-radius:11px;border:1px solid transparent;
 font-size:15px;font-weight:700;transition:var(--ease);white-space:nowrap
}
.btn-primary{background:var(--blue-700);color:#fff;box-shadow:0 8px 18px rgba(33,116,185,.22)}
.btn-primary:hover{background:var(--blue-900);transform:translateY(-2px);box-shadow:0 12px 24px rgba(33,116,185,.28)}
.btn-secondary{background:#fff;color:var(--blue-800);border-color:#bfd5e5}
.btn-secondary:hover{border-color:var(--blue-700);background:var(--blue-50);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--blue-700);padding-left:0;padding-right:0}
.btn:focus-visible,.mega-trigger:focus-visible,.main-nav a:focus-visible,input:focus-visible,textarea:focus-visible{
 outline:3px solid rgba(244,184,95,.75);outline-offset:3px
}
.btn:active{transform:translateY(1px)}
.site-header{
 position:fixed;z-index:20;top:0;left:0;width:100%;
 transition:var(--ease);border-bottom:1px solid transparent
}
.site-header.scrolled{
 background:rgba(255,255,255,.96);border-color:var(--line);
 box-shadow:var(--shadow-sm);backdrop-filter:blur(14px)
}
.nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:21px;font-weight:900;color:var(--blue-950);white-space:nowrap}
.brand-mark{position:relative;width:34px;height:34px;border-radius:10px;background:var(--blue-700);overflow:hidden}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;transform:skew(-25deg)}
.brand-mark:before{width:7px;height:25px;left:9px;top:5px}
.brand-mark:after{width:7px;height:17px;left:20px;top:9px;background:var(--warm)}
.main-nav{display:flex;align-items:center;gap:3px;margin-left:auto}
.main-nav>a,.mega-trigger{
 border:0;background:transparent;padding:10px 12px;border-radius:8px;
 color:#52677d;font-size:14px;transition:var(--ease)
}
.main-nav>a:hover,.main-nav>a.active,.mega-trigger:hover,.mega-trigger[aria-expanded="true"]{
 color:var(--blue-700);background:var(--blue-50)
}
.mega{position:relative}
.mega-trigger{display:flex;align-items:center;gap:5px}
.chevron{transition:var(--ease)}
.mega-trigger[aria-expanded="true"] .chevron{transform:rotate(180deg)}
.mega-panel{
 position:absolute;right:0;top:51px;width:520px;padding:22px;background:#fff;
 border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);
 display:none;grid-template-columns:1.05fr .95fr;gap:22px
}
.mega-panel.open{display:grid}
.mega-panel h4{font-size:13px;color:var(--muted-2);margin:0 0 12px}
.mega-list{display:grid;gap:7px}
.mega-list a{padding:8px 10px;border-radius:8px;color:var(--blue-900);font-size:14px}
.mega-list a:hover{background:var(--blue-50);color:var(--blue-700)}
.mega-feature{padding:16px;background:var(--blue-50);border-radius:12px}
.mega-feature strong{display:block;color:var(--blue-950);margin-bottom:4px}
.mega-feature p{font-size:13px;color:var(--muted);margin:0 0 12px}
.nav-cta{margin-left:5px}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--blue-900);width:42px;height:42px;border-radius:9px}
.page-hero{
 position:relative;overflow:hidden;padding:138px 0 66px;
 background:linear-gradient(120deg,#f5faff 0%,#edf6fc 58%,#fff 100%)
}
.page-hero:before{
 content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-2.webp") center/cover;
 opacity:.12
}
.page-hero:after{
 content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(47,139,208,.15);
 border-radius:50%;right:-100px;top:45px;box-shadow:0 0 0 35px rgba(47,139,208,.035),0 0 0 70px rgba(47,139,208,.025)
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:26px}
.breadcrumb a:hover{color:var(--blue-700)}
.hero-layout{display:grid;grid-template-columns:1fr 400px;gap:60px;align-items:end}
.page-hero h1{font-size:clamp(40px,6vw,66px);line-height:1.18;color:var(--blue-950);margin:12px 0 18px;letter-spacing:-.04em}
.page-hero h1 em{font-style:normal;color:var(--blue-700)}
.page-hero-copy{max-width:700px;color:#536a80;font-size:18px;margin:0}
.hero-note{
 background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;
 box-shadow:var(--shadow-md)
}
.hero-note-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}
.hero-note small{color:var(--muted-2)}
.status{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--green);font-weight:700}
.status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green)}
.note-row{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-top:1px solid var(--line);font-size:14px}
.note-row strong{color:var(--blue-950)}
.note-row span{color:var(--muted)}
.filter-bar{
 display:flex;align-items:center;gap:10px;overflow-x:auto;padding:6px 0 14px;
 scrollbar-width:none
}
.filter-bar::-webkit-scrollbar{display:none}
.filter-btn{
 border:1px solid var(--line);background:#fff;color:var(--muted);padding:9px 15px;
 border-radius:9px;white-space:nowrap;font-size:14px;transition:var(--ease)
}
.filter-btn:hover,.filter-btn.active{background:var(--blue-700);border-color:var(--blue-700);color:#fff}
.feature-team{
 display:grid;grid-template-columns:1.12fr .88fr;gap:0;
 border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff;
 box-shadow:var(--shadow-md)
}
.feature-team-image{min-height:360px;position:relative;background:var(--blue-900)}
.feature-team-image img{height:100%;min-height:360px}
.image-caption{
 position:absolute;left:22px;bottom:20px;background:rgba(16,43,76,.84);
 color:#fff;padding:8px 12px;border-radius:8px;font-size:13px
}
.feature-team-copy{padding:42px 40px;display:flex;flex-direction:column;justify-content:center}
.tag{
 display:inline-flex;align-items:center;width:max-content;padding:5px 10px;border-radius:7px;
 background:var(--blue-100);color:var(--blue-700);font-size:12px;font-weight:700
}
.feature-team h2{font-size:30px;line-height:1.35;color:var(--blue-950);margin:16px 0 13px}
.feature-team-copy p{color:var(--muted);margin:0 0 20px}
.meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted-2);font-size:13px}
.meta span{display:inline-flex;align-items:center;gap:5px}
.content-area{background:#fff}
.dynamic-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:64px;align-items:start}
.story-list{border-top:1px solid var(--line)}
.story-item{
 display:grid;grid-template-columns:116px 150px 1fr;gap:22px;
 padding:24px 0;border-bottom:1px solid var(--line);align-items:center;
 transition:var(--ease)
}
.story-item:hover{padding-left:8px;background:linear-gradient(90deg,var(--blue-50),transparent)}
.story-date{font-size:14px;color:var(--muted-2);font-weight:700}
.story-thumb{height:96px;border-radius:11px;overflow:hidden;background:var(--blue-100)}
.story-thumb img{height:100%;transition:var(--ease)}
.story-item:hover img{transform:scale(1.05)}
.story-body h3{font-size:19px;line-height:1.45;color:var(--blue-950);margin:7px 0 5px}
.story-body p{font-size:14px;line-height:1.8;color:var(--muted);margin:0}
.story-body .meta{font-size:12px}
.side-panel{position:sticky;top:100px}
.side-box{border:1px solid var(--line);border-radius:16px;padding:22px;background:var(--blue-50);margin-bottom:18px}
.side-box.white{background:#fff;box-shadow:var(--shadow-sm)}
.side-box h3{font-size:18px;color:var(--blue-950);margin:0 0 16px}
.team-index{display:grid;gap:5px}
.team-index a{
 display:flex;justify-content:space-between;align-items:center;padding:10px 11px;
 border-radius:8px;color:var(--muted);font-size:14px;transition:var(--ease)
}
.team-index a:hover,.team-index a.active{background:#fff;color:var(--blue-700);box-shadow:var(--shadow-sm)}
.team-index b{font-size:12px;color:var(--muted-2);font-weight:500}
.topic-tags{display:flex;flex-wrap:wrap;gap:8px}
.topic-tags a{padding:7px 10px;border:1px solid var(--line);background:#fff;border-radius:7px;font-size:13px;color:var(--muted)}
.topic-tags a:hover{border-color:var(--blue-600);color:var(--blue-700)}
.timeline-section{background:var(--blue-50)}
.timeline-wrap{display:grid;grid-template-columns:240px 1fr;gap:70px}
.timeline-intro h2{font-size:34px;line-height:1.35;color:var(--blue-950);margin:12px 0 15px}
.timeline-intro p{color:var(--muted);margin:0}
.timeline{position:relative;padding-left:32px}
.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;background:#bfd5e5}
.timeline-item{position:relative;padding:0 0 30px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item:before{
 content:"";position:absolute;left:-29px;top:8px;width:11px;height:11px;
 border-radius:50%;background:var(--blue-700);border:3px solid var(--blue-50);
 box-shadow:0 0 0 1px var(--blue-700)
}
.timeline-item time{color:var(--blue-700);font-size:13px;font-weight:700}
.timeline-item h3{font-size:20px;color:var(--blue-950);margin:5px 0 4px}
.timeline-item p{color:var(--muted);margin:0;max-width:700px}
.quote-section{padding:88px 0;background:#fff}
.quote-grid{display:grid;grid-template-columns:5fr 7fr;gap:70px;align-items:center}
.quote-image{height:420px;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-md);position:relative}
.quote-image img{height:100%}
.quote-image:after{content:"球队状态、阵容变化、比赛表现";position:absolute;left:20px;bottom:20px;color:#fff;background:rgba(16,43,76,.8);padding:8px 12px;border-radius:7px;font-size:13px}
.quote-copy h2{font-size:36px;line-height:1.35;color:var(--blue-950);margin:13px 0 18px}
.quote-copy p{color:var(--muted);margin:0 0 16px}
.check-list{display:grid;gap:10px;margin:22px 0 28px;padding:0;list-style:none}
.check-list li{display:flex;gap:10px;color:var(--blue-900)}
.check-list li:before{content:"✓";display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--blue-100);color:var(--blue-700);font-size:13px;font-weight:800;flex:none;margin-top:3px}
.stat-strip{background:var(--blue-950);color:#fff;padding:38px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{padding:8px 24px;border-left:1px solid rgba(255,255,255,.18)}
.stat:first-child{border-left:0}
.stat strong{display:block;font-size:37px;line-height:1.2;color:#fff}
.stat span{display:block;color:#b9cee0;font-size:13px;margin-top:6px}
.read-path{background:#f8fbfd}
.path-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:24px}
.path-main,.path-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow-sm)}
.path-main h2{font-size:29px;color:var(--blue-950);margin:10px 0 14px}
.path-main p,.path-card p{color:var(--muted)}
.path-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:25px}
.path-step{padding:18px;background:var(--blue-50);border-radius:12px}
.path-step b{display:block;color:var(--blue-700);font-size:13px;margin-bottom:7px}
.path-step strong{color:var(--blue-950);display:block;margin-bottom:5px}
.path-step p{font-size:13px;margin:0}
.path-side{display:grid;gap:24px}
.path-card h3{font-size:20px;color:var(--blue-950);margin:0 0 7px}
.recommend-section{padding:86px 0}
.recommend-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.recommend-card{
 display:flex;gap:18px;padding:18px;border:1px solid var(--line);border-radius:15px;
 background:#fff;transition:var(--ease)
}
.recommend-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#b9d5e7}
.recommend-card img{width:142px;height:112px;border-radius:10px;flex:none}
.recommend-card h3{font-size:18px;line-height:1.45;margin:7px 0;color:var(--blue-950)}
.recommend-card p{font-size:13px;color:var(--muted);margin:0}
.faq-section{background:var(--blue-50)}
.faq-layout{display:grid;grid-template-columns:3.5fr 8.5fr;gap:80px}
.faq-intro h2{font-size:34px;line-height:1.35;color:var(--blue-950);margin:12px 0}
.faq-intro p{color:var(--muted)}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:4px 0}
summary{
 list-style:none;cursor:pointer;min-height:64px;display:flex;align-items:center;
 justify-content:space-between;gap:20px;font-weight:700;color:var(--blue-950);font-size:17px
}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";font-size:25px;font-weight:300;color:var(--blue-700);transition:var(--ease)}
details[open] summary:after{content:"−";transform:rotate(180deg)}
details p{color:var(--muted);margin:0 42px 18px 0;font-size:15px}
.contact-section{padding:86px 0}
.contact-box{
 display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;padding:42px;
 background:linear-gradient(135deg,#eef7fd,#fff);border:1px solid var(--line);
 border-radius:22px;box-shadow:var(--shadow-sm)
}
.contact-copy h2{font-size:35px;color:var(--blue-950);line-height:1.35;margin:12px 0 15px}
.contact-copy p{color:var(--muted);margin:0 0 23px}
.contact-info{display:grid;gap:10px;color:var(--muted);font-size:14px}
.contact-info strong{color:var(--blue-900)}
.contact-form{display:grid;gap:15px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.field{display:grid;gap:7px}
.field label{font-weight:700;font-size:14px;color:var(--blue-900)}
.field input,.field textarea{
 width:100%;border:1px solid #cbdde9;background:#fff;border-radius:10px;
 padding:12px 14px;color:var(--ink);transition:var(--ease)
}
.field input{height:46px}
.field textarea{min-height:112px;resize:vertical}
.field input:hover,.field textarea:hover{border-color:#9ec4dd}
.field input:focus,.field textarea:focus{border-color:var(--blue-600);box-shadow:0 0 0 4px rgba(47,139,208,.12);outline:0}
.form-message{font-size:13px;color:var(--green);display:none}
footer{background:#eff6fb;border-top:1px solid var(--line);padding:48px 0 22px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:38px;padding-bottom:38px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{max-width:300px;color:var(--muted);font-size:14px;margin:0}
.footer-title{font-size:14px;color:var(--blue-950);font-weight:800;margin-bottom:13px}
.footer-links{display:grid;gap:7px}
.footer-links a{font-size:14px;color:var(--muted);transition:var(--ease)}
.footer-links a:hover{color:var(--blue-700);transform:translateX(2px)}
.footer-bottom{
 display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;
 border-top:1px solid var(--line);padding-top:20px;color:var(--muted-2);font-size:12px
}
.footer-bottom a{margin-left:13px;color:var(--muted)}
.footer-bottom a:hover{color:var(--blue-700)}
.back-top{
 position:fixed;right:22px;bottom:22px;width:42px;height:42px;border:1px solid var(--line);
 border-radius:10px;background:#fff;color:var(--blue-700);box-shadow:var(--shadow-sm);
 opacity:0;pointer-events:none;transition:var(--ease);z-index:10
}
.back-top.show{opacity:1;pointer-events:auto}
@media (max-width:1024px){
 .main-nav{gap:0}
 .main-nav>a,.mega-trigger{padding:9px 8px;font-size:13px}
 .nav-cta{display:none}
 .hero-layout{grid-template-columns:1fr 340px;gap:35px}
 .dynamic-layout{gap:35px}
 .timeline-wrap{gap:40px}
 .faq-layout{gap:40px}
}
@media (max-width:768px){
 .container{width:min(calc(100% - 32px),var(--container))}
 .nav-wrap{height:68px}
 .menu-toggle{display:block;margin-left:auto}
 .main-nav{
  position:absolute;top:68px;left:16px;right:16px;display:none;
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;
  box-shadow:var(--shadow-lg);align-items:stretch;flex-direction:column
 }
 .main-nav.open{display:flex}
 .main-nav>a,.mega-trigger{width:100%;text-align:left;padding:12px}
 .mega-panel{position:static;width:auto;margin-top:6px;grid-template-columns:1fr;padding:15px;box-shadow:none}
 .mega-panel.open{display:grid}
 .page-hero{padding:115px 0 48px}
 .hero-layout{grid-template-columns:1fr;gap:28px}
 .page-hero h1{font-size:42px}
 .section{padding:65px 0}
 .section-head{display:block;margin-bottom:28px}
 .section-head p{margin-top:14px}
 .feature-team{grid-template-columns:1fr}
 .feature-team-image,.feature-team-image img{min-height:250px;height:250px}
 .feature-team-copy{padding:28px 24px}
 .dynamic-layout{grid-template-columns:1fr;gap:35px}
 .side-panel{position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px}
 .side-box{margin:0}
 .story-item{grid-template-columns:88px 116px 1fr;gap:14px}
 .story-body h3{font-size:17px}
 .timeline-wrap{grid-template-columns:1fr;gap:28px}
 .quote-grid{grid-template-columns:1fr;gap:30px}
 .quote-image{height:300px}
 .stat-grid{grid-template-columns:repeat(2,1fr);gap:20px}
 .stat{border-left:0;padding:8px 12px}
 .path-grid{grid-template-columns:1fr}
 .recommend-grid{grid-template-columns:1fr}
 .faq-layout{grid-template-columns:1fr;gap:25px}
 .contact-box{grid-template-columns:1fr;gap:30px;padding:28px 22px}
 .footer-top{grid-template-columns:1.5fr 1fr 1fr;gap:25px}
 .footer-brand{grid-column:1/-1}
}
@media (max-width:520px){
 body{font-size:15px}
 .container{width:calc(100% - 28px)}
 .brand{font-size:19px}
 .page-hero h1{font-size:36px}
 .page-hero-copy{font-size:16px}
 .hero-note{padding:18px}
 .story-item{grid-template-columns:78px 1fr;gap:12px;padding:19px 0}
 .story-thumb{grid-column:2;grid-row:1 / span 2;height:92px}
 .story-date{grid-column:1;grid-row:1}
 .story-body{grid-column:1/-1}
 .story-body h3{font-size:16px}
 .side-panel{grid-template-columns:1fr}
 .feature-team h2{font-size:25px}
 .path-steps{grid-template-columns:1fr}
 .recommend-card{gap:12px}
 .recommend-card img{width:106px;height:94px}
 .recommend-card h3{font-size:16px}
 .form-row{grid-template-columns:1fr}
 .footer-top{grid-template-columns:1fr 1fr}
 .footer-brand{grid-column:1/-1}
 .footer-bottom{display:grid;gap:8px}
}
@media (prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}

/* roulang page: category2 */
:root{
--blue-950:#102b4c;--blue-900:#173d68;--blue-800:#1d568d;--blue-700:#2174b9;--blue-600:#2f8bd0;
--blue-100:#e7f2fb;--blue-50:#f3f8fc;--ink:#172536;--muted:#63758a;--muted-2:#8c9bad;
--line:#dce7f0;--white:#fff;--warm:#f4b85f;--green:#2e9278;--red:#c66b67;
--radius-sm:10px;--radius-md:16px;--radius-lg:24px;--shadow-sm:0 8px 24px rgba(28,70,108,.07);
--shadow-md:0 18px 45px rgba(28,70,108,.12);--shadow-lg:0 28px 70px rgba(23,61,104,.18);
--container:1180px;--ease:all .25s ease
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{display:block;width:100%;height:auto;object-fit:cover}button,input,textarea{font:inherit}button{cursor:pointer}.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue-700);font-size:13px;font-weight:700;letter-spacing:.12em}.eyebrow:before{content:"";width:24px;height:2px;background:var(--warm)}h1,h2,h3,h4,p{margin-top:0}.section{padding:92px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:38px}.section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.25;margin:12px 0 0;color:var(--blue-950)}.section-head p{max-width:550px;margin:0;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border-radius:11px;border:1px solid transparent;font-size:15px;font-weight:700;transition:var(--ease);white-space:nowrap}.btn-primary{background:var(--blue-700);color:#fff;box-shadow:0 8px 18px rgba(33,116,185,.22)}.btn-primary:hover{background:var(--blue-900);transform:translateY(-2px);box-shadow:0 12px 24px rgba(33,116,185,.28)}.btn-secondary{background:#fff;color:var(--blue-800);border-color:#bfd5e5}.btn-secondary:hover{border-color:var(--blue-700);background:var(--blue-50);transform:translateY(-2px)}.btn-ghost{background:transparent;color:var(--blue-700);padding-left:0;padding-right:0}.btn:focus-visible,.mega-trigger:focus-visible,input:focus-visible,textarea:focus-visible,.faq-q:focus-visible{outline:3px solid rgba(244,184,95,.75);outline-offset:3px}.btn:active{transform:translateY(1px)}
.site-header{position:fixed;z-index:20;top:0;left:0;width:100%;transition:var(--ease);border-bottom:1px solid transparent}.site-header.scrolled{background:rgba(255,255,255,.96);border-color:var(--line);box-shadow:var(--shadow-sm);backdrop-filter:blur(14px)}.nav-wrap{height:76px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:21px;font-weight:900;color:var(--blue-950);white-space:nowrap}.brand-mark{position:relative;width:34px;height:34px;border-radius:10px;background:var(--blue-700);overflow:hidden}.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;transform:skew(-25deg)}.brand-mark:before{width:7px;height:25px;left:9px;top:5px}.brand-mark:after{width:7px;height:17px;left:20px;top:9px;background:var(--warm)}
.main-nav{display:flex;align-items:center;gap:3px;margin-left:auto}.main-nav>a,.mega-trigger{border:0;background:transparent;padding:10px 11px;border-radius:8px;color:#52677d;font-size:14px;transition:var(--ease)}.main-nav>a:hover,.main-nav>a.active,.mega-trigger:hover,.mega-trigger[aria-expanded=true]{color:var(--blue-700);background:var(--blue-50)}.mega{position:relative}.mega-trigger{display:flex;align-items:center;gap:5px}.chevron{transition:var(--ease)}.mega-trigger[aria-expanded=true] .chevron{transform:rotate(180deg)}.mega-panel{position:absolute;right:0;top:51px;width:520px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);display:none;grid-template-columns:1.05fr .95fr;gap:22px}.mega-panel.open{display:grid}.mega-panel h4{font-size:13px;color:var(--muted-2);margin:0 0 12px}.mega-list{display:grid;gap:7px}.mega-list a{padding:8px 10px;border-radius:8px;color:var(--blue-900);font-size:14px}.mega-list a:hover{background:var(--blue-50);color:var(--blue-700)}.mega-feature{padding:16px;background:var(--blue-50);border-radius:12px}.mega-feature strong{display:block;color:var(--blue-950);margin-bottom:4px}.mega-feature p{font-size:13px;color:var(--muted);margin-bottom:12px}.text-link{color:var(--blue-700);font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:var(--ease)}.text-link:hover{color:var(--blue-950);gap:12px}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--blue-900);width:42px;height:42px;border-radius:9px}
.page-hero{padding:145px 0 74px;background:linear-gradient(120deg,#f4f9fd,#fff);position:relative;overflow:hidden}.page-hero:before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-2.webp") center/cover;opacity:.13}.page-hero .container{position:relative}.crumbs{font-size:13px;color:var(--muted);margin-bottom:28px}.crumbs a:hover{color:var(--blue-700)}.hero-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:end}.page-hero h1{font-size:clamp(42px,6vw,70px);line-height:1.15;color:var(--blue-950);margin:14px 0 20px}.page-hero h1 em{color:var(--blue-700);font-style:normal}.page-hero p{font-size:18px;color:var(--muted);max-width:680px}.hero-note{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-md);position:relative}.hero-note:after{content:"赛前观察";position:absolute;right:20px;top:-15px;background:var(--warm);color:var(--blue-950);padding:4px 12px;border-radius:6px;font-size:13px;font-weight:800;transform:rotate(3deg)}.hero-note img{height:150px;border-radius:12px;margin-bottom:18px}.hero-note strong{font-size:20px;color:var(--blue-950)}.hero-note p{font-size:14px;margin:7px 0 0}
.analysis-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px}.feature-analysis{display:grid;grid-template-columns:1fr 1fr;gap:28px;background:var(--blue-50);border-radius:var(--radius-lg);padding:18px;margin-bottom:34px}.feature-analysis img{height:280px;border-radius:14px}.feature-analysis .content{padding:14px 12px}.tag{display:inline-flex;padding:4px 10px;border-radius:6px;background:var(--blue-100);color:var(--blue-800);font-size:12px;font-weight:700}.content h3{font-size:27px;line-height:1.4;color:var(--blue-950);margin:15px 0 10px}.content p{color:var(--muted);font-size:15px}.meta{display:flex;gap:15px;flex-wrap:wrap;color:var(--muted-2);font-size:13px}.article-list{display:grid;gap:0}.article-item{display:grid;grid-template-columns:105px 1fr auto;gap:24px;align-items:start;padding:25px 0;border-top:1px solid var(--line);transition:var(--ease)}.article-item:hover{padding-left:8px;background:linear-gradient(90deg,var(--blue-50),transparent)}.date{font-size:14px;color:var(--blue-700);font-weight:800}.article-item h3{font-size:20px;margin:0 0 7px;color:var(--blue-950)}.article-item p{font-size:14px;color:var(--muted);margin:0}.side-stack{display:grid;gap:24px}.side-card{border:1px solid var(--line);border-radius:var(--radius-md);padding:23px;background:#fff;box-shadow:var(--shadow-sm)}.side-card h3{font-size:20px;color:var(--blue-950);margin:0 0 16px}.hot-list{display:grid;gap:15px}.hot-list a{display:grid;grid-template-columns:28px 1fr;gap:10px;font-size:14px;color:var(--blue-900);line-height:1.55}.hot-list b{color:var(--warm);font-size:18px}.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}.tag-cloud a{font-size:13px;color:var(--muted);border:1px solid var(--line);padding:5px 10px;border-radius:7px}.tag-cloud a:hover{color:var(--blue-700);border-color:var(--blue-600)}
.blue-band{background:var(--blue-950);color:#fff}.blue-band .section-head h2{color:#fff}.blue-band .section-head p{color:#c5d7e7}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.18)}.stat{padding:28px;background:var(--blue-950)}.stat strong{display:block;font-size:38px;color:#fff;line-height:1.2}.stat span{color:#b9cde0;font-size:14px}.insight{display:grid;grid-template-columns:1fr 1.2fr;gap:50px;align-items:center}.insight img{height:330px;border-radius:18px}.insight-copy p{color:var(--muted);margin-bottom:18px}.insight-copy ul{padding:0;margin:20px 0;list-style:none;display:grid;gap:12px}.insight-copy li{padding-left:25px;position:relative}.insight-copy li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:bold}.index-box{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.index-box div{padding:18px;border-left:3px solid var(--warm);background:var(--blue-50)}.index-box strong{display:block;color:var(--blue-900);margin-bottom:4px}.index-box span{font-size:13px;color:var(--muted)}.related{background:#f7fafc}.related-grid{display:grid;grid-template-columns:1.3fr .85fr .85fr;gap:20px}.related-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--ease)}.related-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}.related-card img{height:165px}.related-card div{padding:19px}.related-card h3{font-size:19px;line-height:1.45;color:var(--blue-950);margin:10px 0 7px}.related-card p{font-size:14px;color:var(--muted);margin:0}.route{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.route-item{position:relative;padding:28px;border:1px solid var(--line);border-radius:var(--radius-md);background:#fff}.route-item:not(:last-child):after{content:"→";position:absolute;right:-15px;top:43%;z-index:2;color:var(--warm);font-size:24px}.route-num{color:var(--warm);font-size:27px;font-weight:900}.route-item h3{color:var(--blue-950);margin:8px 0;font-size:20px}.route-item p{color:var(--muted);font-size:14px;margin:0}.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px}.faq-intro p{color:var(--muted)}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;min-height:60px;text-align:left;border:0;background:transparent;color:var(--blue-950);font-weight:800;padding:15px 38px 15px 0;position:relative}.faq-q:after{content:"＋";position:absolute;right:5px;font-size:22px;color:var(--blue-700)}.faq-item.open .faq-q:after{content:"−"}.faq-a{display:none;color:var(--muted);font-size:14px;padding:0 35px 18px 0}.faq-item.open .faq-a{display:block}.contact{background:var(--blue-50)}.contact-box{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:start}.contact-copy p{color:var(--muted)}.contact-form{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow-sm)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:13px;color:var(--blue-900);font-weight:700}.field input,.field textarea{width:100%;border:1px solid #c9d9e5;border-radius:9px;padding:11px 13px;color:var(--ink);background:#fff;transition:var(--ease)}.field textarea{min-height:112px;resize:vertical}.field input:focus,.field textarea:focus{border-color:var(--blue-600);box-shadow:0 0 0 4px rgba(47,139,208,.12);outline:0}.form-tip{font-size:13px;color:var(--muted-2);margin:12px 0}.success{color:var(--green);font-size:14px;margin:12px 0 0;display:none}
footer{background:#edf5fa;color:var(--muted);padding:54px 0 20px}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px}.footer-brand .brand{margin-bottom:13px}.footer-brand p{font-size:14px;max-width:290px}.footer-title{font-weight:800;color:var(--blue-950);margin-bottom:13px}.footer-links{display:grid;gap:7px;font-size:14px}.footer-links a:hover,.footer-bottom a:hover{color:var(--blue-700)}.footer-bottom{border-top:1px solid #d2e1eb;padding-top:18px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12px}.footer-bottom span:last-child{display:flex;gap:15px}
@media(max-width:1024px){.main-nav{gap:0}.main-nav>a,.mega-trigger{padding:9px 7px;font-size:13px}.hero-layout,.insight{gap:30px}.analysis-grid{gap:28px}.related-grid{grid-template-columns:1fr 1fr}.related-card:first-child{grid-column:1/-1}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--container))}.nav-wrap{height:68px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;left:16px;right:16px;top:74px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow-lg);align-items:stretch;flex-direction:column}.main-nav.mobile-open{display:flex}.main-nav>a,.mega-trigger{padding:12px;text-align:left}.mega-panel{position:static;width:auto;margin-top:6px;grid-template-columns:1fr;box-shadow:none}.hero-layout,.analysis-grid,.contact-box,.faq-wrap{grid-template-columns:1fr}.page-hero{padding:118px 0 52px}.page-hero h1{font-size:43px}.hero-note{max-width:520px}.section{padding:64px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:13px}.feature-analysis{grid-template-columns:1fr}.feature-analysis img{height:220px}.article-item{grid-template-columns:78px 1fr}.article-item .text-link{grid-column:2}.stats{grid-template-columns:1fr 1fr}.stat strong{font-size:30px}.insight img{height:240px}.index-box,.route{grid-template-columns:1fr}.route-item:not(:last-child):after{content:"↓";right:50%;top:auto;bottom:-25px}.related-grid{grid-template-columns:1fr}.related-card:first-child{grid-column:auto}.footer-top{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}}
@media(max-width:520px){.page-hero h1{font-size:36px}.page-hero p{font-size:16px}.hero-note img{height:135px}.article-item{grid-template-columns:1fr;gap:5px}.article-item .text-link{grid-column:auto}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-top{grid-template-columns:1fr}.footer-bottom{display:grid}.footer-bottom span:last-child{display:flex}.mega-panel{width:100%}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category5 */
:root{
 --blue-950:#102b4c;
 --blue-900:#173d68;
 --blue-800:#1d568d;
 --blue-700:#2174b9;
 --blue-600:#2f8bd0;
 --blue-100:#e7f2fb;
 --blue-50:#f3f8fc;
 --ink:#172536;
 --muted:#63758a;
 --muted-2:#8c9bad;
 --line:#dce7f0;
 --white:#fff;
 --warm:#f4b85f;
 --green:#2e9278;
 --radius-sm:10px;
 --radius-md:16px;
 --radius-lg:24px;
 --shadow-sm:0 8px 24px rgba(28,70,108,.07);
 --shadow-md:0 18px 45px rgba(28,70,108,.12);
 --shadow-lg:0 28px 70px rgba(23,61,104,.18);
 --container:1180px;
 --ease:all .25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;color:var(--ink);background:#fff;
 font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
 font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:auto;object-fit:cover}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue-700);font-size:13px;font-weight:700;letter-spacing:.12em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--warm);display:inline-block}
.section{padding:92px 0}
.section-soft{background:var(--blue-50)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:42px}
.section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.25;margin:12px 0 0;color:var(--blue-950)}
.section-head p{max-width:530px;margin:0;color:var(--muted)}
.text-link{color:var(--blue-700);font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:var(--ease)}
.text-link:hover{color:var(--blue-950);gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border-radius:11px;border:1px solid transparent;font-size:15px;font-weight:700;transition:var(--ease);white-space:nowrap}
.btn-primary{background:var(--blue-700);color:#fff;box-shadow:0 8px 18px rgba(33,116,185,.22)}
.btn-primary:hover{background:var(--blue-900);transform:translateY(-2px);box-shadow:0 12px 24px rgba(33,116,185,.28)}
.btn-secondary{background:#fff;color:var(--blue-800);border-color:#bfd5e5}
.btn-secondary:hover{border-color:var(--blue-700);background:var(--blue-50);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--blue-700);padding-left:0;padding-right:0}
.btn:active{transform:translateY(1px)}
.btn:focus-visible,.mega-trigger:focus-visible,.menu-toggle:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(244,184,95,.75);outline-offset:3px}
.site-header{position:fixed;z-index:20;top:0;left:0;width:100%;transition:var(--ease);border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(255,255,255,.96);border-color:var(--line);box-shadow:var(--shadow-sm);backdrop-filter:blur(14px)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:21px;font-weight:900;color:var(--blue-950);white-space:nowrap}
.brand-mark{position:relative;width:34px;height:34px;border-radius:10px;background:var(--blue-700);overflow:hidden}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;transform:skew(-25deg)}
.brand-mark:before{width:7px;height:25px;left:9px;top:5px}
.brand-mark:after{width:7px;height:17px;left:20px;top:9px;background:var(--warm)}
.main-nav{display:flex;align-items:center;gap:3px;margin-left:auto}
.main-nav>a,.mega-trigger{border:0;background:transparent;padding:10px 12px;border-radius:8px;color:#52677d;font-size:14px;transition:var(--ease)}
.main-nav>a:hover,.main-nav>a.active,.mega-trigger:hover,.mega-trigger[aria-expanded="true"]{color:var(--blue-700);background:var(--blue-50)}
.mega{position:relative}
.mega-trigger{display:flex;align-items:center;gap:5px}
.chevron{transition:transform .25s ease}
.mega-trigger[aria-expanded="true"] .chevron{transform:rotate(180deg)}
.mega-panel{position:absolute;right:0;top:51px;width:520px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);display:none;grid-template-columns:1.05fr .95fr;gap:22px}
.mega-panel.open{display:grid}
.mega-panel h4{font-size:13px;color:var(--muted-2);margin:0 0 12px}
.mega-list{display:grid;gap:7px}
.mega-list a{padding:8px 10px;border-radius:8px;color:var(--blue-900);font-size:14px}
.mega-list a:hover{background:var(--blue-50);color:var(--blue-700)}
.mega-feature{padding:16px;background:var(--blue-50);border-radius:12px}
.mega-feature strong{display:block;color:var(--blue-950);margin-bottom:4px}
.mega-feature p{font-size:13px;color:var(--muted);margin:0 0 12px}
.nav-cta{margin-left:5px}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--blue-900);width:42px;height:42px;border-radius:9px}
.page-hero{padding:138px 0 64px;background:#f2f8fc;position:relative;overflow:hidden}
.page-hero:after{content:"";position:absolute;right:-130px;top:35px;width:420px;height:420px;border:1px solid rgba(33,116,185,.14);border-radius:50%;box-shadow:0 0 0 38px rgba(33,116,185,.035),0 0 0 78px rgba(33,116,185,.025)}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted-2);font-size:13px;margin-bottom:28px;position:relative;z-index:1}
.breadcrumb a:hover{color:var(--blue-700)}
.page-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:end;position:relative;z-index:1}
.page-hero h1{font-size:clamp(42px,6vw,70px);line-height:1.12;color:var(--blue-950);margin:16px 0 22px;letter-spacing:-.04em}
.page-hero h1 em{font-style:normal;color:var(--blue-700)}
.page-hero-copy{font-size:18px;line-height:1.9;color:var(--muted);max-width:610px;margin:0}
.hero-note{border-left:3px solid var(--warm);padding:16px 0 16px 22px;color:var(--blue-900);font-size:15px;max-width:430px}
.cover-stage{position:relative;min-height:340px}
.cover-stage img{height:340px;border-radius:22px;box-shadow:var(--shadow-lg)}
.cover-stage:before{content:"专题 / FEATURE";position:absolute;z-index:2;left:-18px;top:24px;background:var(--warm);color:var(--blue-950);font-size:12px;font-weight:800;letter-spacing:.08em;padding:9px 14px;border-radius:7px;box-shadow:var(--shadow-sm)}
.cover-caption{position:absolute;left:24px;right:24px;bottom:22px;color:#fff;z-index:2}
.cover-caption:before{content:"";position:absolute;inset:-75px -24px -22px;background:linear-gradient(transparent,rgba(10,35,61,.8));z-index:-1;border-radius:0 0 22px 22px}
.cover-caption strong{font-size:24px;display:block;line-height:1.35}
.cover-caption span{font-size:13px;opacity:.86}
.intro-band{padding:30px 0;border-bottom:1px solid var(--line)}
.intro-band-inner{display:flex;justify-content:space-between;gap:30px;align-items:center}
.intro-band strong{font-size:22px;color:var(--blue-950)}
.intro-band p{margin:0;color:var(--muted);max-width:690px}
.topic-layout{display:grid;grid-template-columns:280px 1fr;gap:62px;align-items:start}
.topic-index{position:sticky;top:102px}
.topic-index h3{font-size:17px;color:var(--blue-950);margin:0 0 18px}
.topic-index nav{border-left:1px solid var(--line)}
.topic-index a{display:block;padding:10px 0 10px 18px;color:var(--muted);font-size:14px;border-left:2px solid transparent;margin-left:-1px;transition:var(--ease)}
.topic-index a:hover,.topic-index a.active{color:var(--blue-700);border-color:var(--blue-700);background:linear-gradient(90deg,var(--blue-50),transparent)}
.topic-index-note{margin-top:28px;padding:18px;background:var(--blue-50);border-radius:14px;color:var(--muted);font-size:13px}
.feature-content{max-width:760px}
.feature-content h2{font-size:clamp(30px,4vw,44px);line-height:1.3;margin:0 0 19px;color:var(--blue-950)}
.feature-content .lead{font-size:19px;color:var(--blue-900);line-height:1.9;margin:0 0 25px}
.feature-content p{color:var(--muted);margin:0 0 20px}
.quote-box{margin:32px 0;padding:24px 28px;border-left:4px solid var(--blue-600);background:#f6faff;color:var(--blue-900);font-size:18px;line-height:1.8;border-radius:0 14px 14px 0}
.topic-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:25px}
.tag,.badge{display:inline-flex;align-items:center;min-height:27px;padding:0 10px;border-radius:6px;font-size:12px;font-weight:700}
.tag{background:var(--blue-100);color:var(--blue-800)}
.badge{background:#edf5f0;color:var(--green)}
.timeline-section{background:var(--blue-50)}
.timeline{position:relative;max-width:900px;margin:0 auto}
.timeline:before{content:"";position:absolute;left:118px;top:12px;bottom:12px;width:1px;background:#c9dce9}
.timeline-item{display:grid;grid-template-columns:92px 26px 1fr;gap:14px;align-items:start;padding:0 0 36px}
.timeline-date{font-size:13px;color:var(--muted-2);padding-top:5px;text-align:right}
.timeline-dot{width:12px;height:12px;border-radius:50%;background:var(--blue-700);border:3px solid var(--blue-100);box-shadow:0 0 0 1px var(--blue-600);margin:7px auto 0;position:relative;z-index:1}
.timeline-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:22px 24px;box-shadow:var(--shadow-sm);transition:var(--ease)}
.timeline-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#b9d5e8}
.timeline-card h3{margin:9px 0 8px;color:var(--blue-950);font-size:20px}
.timeline-card p{margin:0 0 12px;color:var(--muted);font-size:14px}
.reading-grid{display:grid;grid-template-columns:1.28fr .72fr;gap:25px}
.reading-main{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm)}
.reading-main img{height:300px}
.reading-main-body{padding:25px 28px}
.reading-main h3{font-size:27px;line-height:1.45;color:var(--blue-950);margin:12px 0}
.reading-main p{color:var(--muted);margin:0 0 18px}
.reading-list{display:grid;gap:13px}
.reading-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 19px;transition:var(--ease)}
.reading-item:hover{border-color:#a8cce4;transform:translateX(3px);box-shadow:var(--shadow-sm)}
.reading-item h4{font-size:16px;line-height:1.5;color:var(--blue-950);margin:8px 0}
.reading-item p{font-size:13px;color:var(--muted);margin:0}
.meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;color:var(--muted-2);font-size:12px}
.meta .dot{width:4px;height:4px;border-radius:50%;background:#a9bac8}
.detail-section{padding-top:88px;padding-bottom:88px}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}
.detail-grid img{height:390px;border-radius:20px;box-shadow:var(--shadow-md)}
.detail-copy h2{font-size:clamp(30px,4vw,45px);line-height:1.3;color:var(--blue-950);margin:13px 0 18px}
.detail-copy p{color:var(--muted);margin:0 0 18px}
.detail-list{display:grid;gap:12px;margin:24px 0 28px;padding:0;list-style:none}
.detail-list li{display:flex;gap:11px;color:var(--blue-900);font-size:15px}
.detail-list li:before{content:"✓";display:grid;place-items:center;width:21px;height:21px;flex:none;border-radius:50%;background:var(--blue-100);color:var(--blue-700);font-size:12px;font-weight:bold;margin-top:3px}
.related{border-top:1px solid var(--line);padding-top:62px;margin-top:70px}
.related-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{display:flex;gap:16px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:var(--ease)}
.related-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.related-card img{width:94px;height:82px;border-radius:10px;flex:none}
.related-card h3{font-size:15px;line-height:1.5;color:var(--blue-950);margin:5px 0}
.related-card p{font-size:12px;color:var(--muted-2);margin:0}
.faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:70px;align-items:start}
.faq-grid h2{font-size:38px;line-height:1.3;color:var(--blue-950);margin:12px 0 17px}
.faq-grid>div>p{color:var(--muted);margin:0}
.faq-list{display:grid;gap:11px}
.faq-item{border:1px solid var(--line);border-radius:13px;background:#fff;overflow:hidden}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;background:#fff;border:0;padding:18px 20px;text-align:left;color:var(--blue-950);font-weight:700}
.faq-question span{font-size:23px;color:var(--blue-700);font-weight:400;transition:transform .25s}
.faq-item.open .faq-question span{transform:rotate(45deg)}
.faq-answer{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}
.faq-item.open .faq-answer{display:block}
.cta-section{padding:82px 0}
.cta-box{background:var(--blue-950);border-radius:22px;padding:45px 52px;display:flex;justify-content:space-between;align-items:center;gap:35px;position:relative;overflow:hidden}
.cta-box:after{content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:60px;top:-135px}
.cta-box h2{color:#fff;font-size:34px;line-height:1.35;margin:0 0 10px;position:relative;z-index:1}
.cta-box p{color:#b9cce0;margin:0;max-width:620px;position:relative;z-index:1}
.cta-box .btn{position:relative;z-index:1;background:var(--warm);color:var(--blue-950);box-shadow:none}
.cta-box .btn:hover{background:#ffd181}
.feedback{padding-top:0}
.feedback-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:62px}
.feedback h2{font-size:34px;line-height:1.35;color:var(--blue-950);margin:12px 0}
.feedback p{color:var(--muted)}
.contact-note{margin-top:25px;padding:17px;background:var(--blue-50);border-radius:12px;font-size:13px;color:var(--muted)}
.form-card{border:1px solid var(--line);border-radius:18px;padding:28px;background:#fff;box-shadow:var(--shadow-sm)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}
.field{display:grid;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:700;color:var(--blue-900)}
.field input,.field textarea{width:100%;border:1px solid #cbdce8;border-radius:9px;padding:12px 14px;color:var(--ink);background:#fbfdff;transition:var(--ease)}
.field textarea{min-height:125px;resize:vertical}
.field input:hover,.field textarea:hover{border-color:#9fc3dc}
.field input:focus,.field textarea:focus{border-color:var(--blue-600);box-shadow:0 0 0 4px rgba(47,139,208,.12);outline:0;background:#fff}
.form-actions{display:flex;align-items:center;gap:15px;margin-top:20px}
.form-status{font-size:13px;color:var(--green);display:none}
footer{background:#edf5fa;border-top:1px solid var(--line);padding:54px 0 22px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
.footer-brand p{max-width:300px;color:var(--muted);font-size:14px;margin:15px 0 0}
.footer-title{font-weight:800;color:var(--blue-950);margin-bottom:13px}
.footer-links{display:grid;gap:7px}
.footer-links a{font-size:14px;color:var(--muted)}
.footer-links a:hover{color:var(--blue-700)}
.footer-bottom{border-top:1px solid var(--line);padding-top:19px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:var(--muted-2);font-size:12px}
.footer-bottom a{margin-left:15px;color:var(--muted)}
.footer-bottom a:hover{color:var(--blue-700)}
@media(max-width:1100px){
 .main-nav>a{padding-left:8px;padding-right:8px;font-size:13px}
 .nav-wrap{gap:15px}
 .nav-cta{display:none}
}
@media(max-width:900px){
 .main-nav{position:fixed;left:18px;right:18px;top:84px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);display:none;align-items:stretch;flex-direction:column;max-height:calc(100vh - 105px);overflow:auto}
 .main-nav.open{display:flex}
 .main-nav>a,.mega-trigger{padding:12px 14px;text-align:left}
 .mega-panel{position:static;width:auto;margin-top:6px;box-shadow:none;grid-template-columns:1fr}
 .menu-toggle{display:block;margin-left:auto}
 .page-hero-grid,.detail-grid,.feedback-grid{grid-template-columns:1fr;gap:35px}
 .cover-stage{min-height:310px}
 .cover-stage img{height:310px}
 .topic-layout{grid-template-columns:220px 1fr;gap:35px}
 .reading-grid{grid-template-columns:1fr}
 .related-list{grid-template-columns:1fr 1fr}
 .cta-box{padding:36px 30px}
}
@media(max-width:700px){
 .container{width:min(calc(100% - 32px),var(--container))}
 .section{padding:65px 0}
 .section-head,.intro-band-inner{display:block}
 .section-head p{margin-top:15px}
 .page-hero{padding:117px 0 45px}
 .page-hero h1{font-size:45px}
 .page-hero-copy{font-size:16px}
 .hero-note{margin-top:24px}
 .topic-layout{display:block}
 .topic-index{position:static;margin-bottom:42px}
 .topic-index nav{display:flex;overflow-x:auto;border-left:0;border-bottom:1px solid var(--line);gap:4px}
 .topic-index a{white-space:nowrap;padding:9px 14px;border-left:0;border-bottom:2px solid transparent;margin:0}
 .topic-index a:hover,.topic-index a.active{border-color:var(--blue-700);background:var(--blue-50)}
 .topic-index-note{display:none}
 .timeline:before{left:7px}
 .timeline-item{grid-template-columns:20px 1fr;gap:13px}
 .timeline-date{grid-column:2;grid-row:1;font-size:12px;text-align:left;padding:0 0 4px}
 .timeline-dot{grid-column:1;grid-row:1;margin-top:8px}
 .timeline-card{grid-column:2;grid-row:2;padding:18px}
 .timeline-item{padding-bottom:24px}
 .detail-grid img{height:275px}
 .related-list{grid-template-columns:1fr}
 .faq-grid{grid-template-columns:1fr;gap:30px}
 .faq-grid h2{font-size:32px}
 .cta-box{display:block;padding:30px 24px}
 .cta-box h2{font-size:28px}
 .cta-box .btn{margin-top:24px}
 .form-grid{grid-template-columns:1fr}
 .field.full{grid-column:auto}
 .footer-top{grid-template-columns:1fr 1fr;gap:28px}
 .footer-brand{grid-column:1/-1}
 .footer-bottom{display:grid;gap:8px}
}
@media(max-width:420px){
 .brand{font-size:18px}
 .nav-wrap{height:68px}
 .cover-stage:before{left:12px}
 .cover-caption strong{font-size:20px}
 .form-actions{align-items:flex-start;flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}

/* roulang page: category4 */
:root{
      --blue-950:#102b4c;
      --blue-900:#173d68;
      --blue-800:#1d568d;
      --blue-700:#2174b9;
      --blue-600:#2f8bd0;
      --blue-100:#e7f2fb;
      --blue-50:#f3f8fc;
      --ink:#172536;
      --muted:#63758a;
      --muted-2:#8c9bad;
      --line:#dce7f0;
      --white:#fff;
      --warm:#f4b85f;
      --green:#2e9278;
      --red:#c96b63;
      --radius-sm:10px;
      --radius-md:16px;
      --radius-lg:24px;
      --shadow-sm:0 8px 24px rgba(28,70,108,.07);
      --shadow-md:0 18px 45px rgba(28,70,108,.12);
      --shadow-lg:0 28px 70px rgba(23,61,104,.18);
      --container:1180px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;color:var(--ink);background:#fff;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
      font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;height:auto;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue-700);font-size:13px;font-weight:700;letter-spacing:.12em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--warm);display:inline-block}
    .section{padding:92px 0}
    .section-soft{background:var(--blue-50)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:40px}
    .section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.25;margin:12px 0 0;color:var(--blue-950)}
    .section-head p{max-width:550px;margin:0;color:var(--muted)}
    .text-link{color:var(--blue-700);font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:var(--ease)}
    .text-link:hover{color:var(--blue-950);gap:12px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:0 21px;border-radius:11px;border:1px solid transparent;
      font-size:15px;font-weight:700;transition:var(--ease);white-space:nowrap
    }
    .btn-primary{background:var(--blue-700);color:#fff;box-shadow:0 8px 18px rgba(33,116,185,.22)}
    .btn-primary:hover{background:var(--blue-900);transform:translateY(-2px);box-shadow:0 12px 24px rgba(33,116,185,.28)}
    .btn-secondary{background:#fff;color:var(--blue-800);border-color:#bfd5e5}
    .btn-secondary:hover{border-color:var(--blue-700);background:var(--blue-50);transform:translateY(-2px)}
    .btn-ghost{background:transparent;color:var(--blue-700);padding-left:0;padding-right:0}
    .btn:focus,.mega-trigger:focus,input:focus,textarea:focus,.menu-toggle:focus{outline:3px solid rgba(47,139,208,.27);outline-offset:3px}
    .btn:active{transform:translateY(1px)}
    .site-header{position:fixed;z-index:20;top:0;left:0;width:100%;transition:var(--ease);border-bottom:1px solid transparent;background:rgba(255,255,255,.9)}
    .site-header.scrolled{background:rgba(255,255,255,.96);border-color:var(--line);box-shadow:var(--shadow-sm);backdrop-filter:blur(14px)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
    .brand{display:inline-flex;align-items:center;gap:10px;font-size:21px;font-weight:900;color:var(--blue-950);white-space:nowrap}
    .brand-mark{position:relative;width:34px;height:34px;border-radius:10px;background:var(--blue-700);overflow:hidden}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;transform:skew(-25deg)}
    .brand-mark:before{width:7px;height:25px;left:9px;top:5px}
    .brand-mark:after{width:7px;height:17px;left:20px;top:9px;background:var(--warm)}
    .main-nav{display:flex;align-items:center;gap:3px;margin-left:auto}
    .main-nav>a,.mega-trigger{border:0;background:transparent;padding:10px 12px;border-radius:8px;color:#52677d;font-size:14px;transition:var(--ease)}
    .main-nav>a:hover,.main-nav>a.active,.mega-trigger:hover,.mega-trigger[aria-expanded="true"]{color:var(--blue-700);background:var(--blue-50)}
    .mega{position:relative}
    .mega-trigger{display:flex;align-items:center;gap:5px}
    .chevron{transition:transform .25s ease}
    .mega-trigger[aria-expanded="true"] .chevron{transform:rotate(180deg)}
    .mega-panel{position:absolute;right:0;top:51px;width:520px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);display:none;grid-template-columns:1.05fr .95fr;gap:22px}
    .mega-panel.open{display:grid}
    .mega-panel h4{font-size:13px;color:var(--muted-2);margin:0 0 12px}
    .mega-list{display:grid;gap:7px}
    .mega-list a{padding:8px 10px;border-radius:8px;color:var(--blue-900);font-size:14px}
    .mega-list a:hover{background:var(--blue-50);color:var(--blue-700)}
    .mega-feature{padding:16px;background:var(--blue-50);border-radius:12px}
    .mega-feature strong{display:block;color:var(--blue-950);margin-bottom:4px}
    .mega-feature p{font-size:13px;color:var(--muted);margin:0 0 12px}
    .nav-cta{margin-left:5px}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--blue-900);width:42px;height:42px;border-radius:9px}
    .hero{
      position:relative;overflow:hidden;padding:145px 0 70px;
      background:linear-gradient(120deg,#f5faff 0%,#edf6fc 55%,#fff 100%)
    }
    .hero:before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-2.webp") center/cover;opacity:.14}
    .hero:after{content:"";position:absolute;right:-100px;top:115px;width:440px;height:440px;border:1px solid rgba(47,139,208,.17);border-radius:50%;box-shadow:0 0 0 36px rgba(47,139,208,.035),0 0 0 72px rgba(47,139,208,.025)}
    .hero .container{position:relative;z-index:1}
    .crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:28px}
    .crumbs a:hover{color:var(--blue-700)}
    .hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:66px;align-items:center}
    .hero h1{font-size:clamp(42px,5.5vw,70px);line-height:1.18;max-width:680px;color:var(--blue-950);margin:17px 0 22px}
    .hero h1 em{font-style:normal;color:var(--blue-700);position:relative}
    .hero h1 em:after{content:"";position:absolute;left:4px;right:3px;bottom:-5px;height:5px;background:var(--warm);opacity:.75}
    .hero-copy{font-size:18px;color:#51687d;max-width:650px;margin:0 0 28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
    .trust-row{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font-size:13px}
    .trust-row span{display:inline-flex;align-items:center;gap:7px}
    .trust-row i{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block}
    .schedule-panel{background:#fff;border:1px solid rgba(220,231,240,.9);border-radius:22px;box-shadow:var(--shadow-lg);padding:24px;position:relative}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
    .panel-top strong{font-size:18px;color:var(--blue-950)}
    .status-live{font-size:12px;color:var(--green);background:#eaf7f1;padding:4px 9px;border-radius:20px;font-weight:700}
    .date-choice{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:18px}
    .date-choice button{border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:10px;padding:10px 4px;transition:var(--ease)}
    .date-choice button span{display:block;font-size:12px}
    .date-choice button strong{display:block;color:var(--blue-900);font-size:16px}
    .date-choice button.active,.date-choice button:hover{border-color:var(--blue-600);background:var(--blue-50)}
    .mini-match{display:grid;grid-template-columns:58px 1fr auto;gap:12px;align-items:center;padding:14px 0;border-top:1px solid var(--line)}
    .mini-match time{font-weight:800;color:var(--blue-700);font-size:15px}
    .mini-match b{display:block;color:var(--blue-950);font-size:14px}
    .mini-match small{color:var(--muted-2)}
    .mini-match .arrow{color:var(--muted-2)}
    .section-kicker{font-size:13px;color:var(--blue-700);font-weight:800;letter-spacing:.08em}
    .intro-grid{display:grid;grid-template-columns:5fr 7fr;gap:72px;align-items:start}
    .intro-grid h2{font-size:clamp(30px,4vw,45px);line-height:1.3;color:var(--blue-950);margin:12px 0 20px}
    .intro-copy{color:var(--muted);font-size:17px}
    .intro-copy p{margin:0 0 18px}
    .feature-note{border-left:3px solid var(--warm);padding:4px 0 4px 20px;color:var(--blue-900);font-weight:700}
    .data-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:48px}
    .data-item{padding:28px 22px;border-right:1px solid var(--line)}
    .data-item:last-child{border-right:0}
    .data-number{font-size:38px;line-height:1;color:var(--blue-700);font-weight:900;margin-bottom:8px}
    .data-item strong{display:block;color:var(--blue-950);font-size:15px}
    .data-item span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
    .schedule-layout{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:start}
    .schedule-list{display:grid;gap:18px}
    .day-group{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm);overflow:hidden}
    .day-head{display:flex;justify-content:space-between;align-items:center;padding:17px 20px;background:#f8fbfd;border-bottom:1px solid var(--line)}
    .day-head strong{font-size:18px;color:var(--blue-950)}
    .day-head span{font-size:13px;color:var(--muted)}
    .match-row{display:grid;grid-template-columns:86px 1fr 100px 78px;align-items:center;gap:12px;padding:18px 20px;border-bottom:1px solid #edf2f6;transition:var(--ease)}
    .match-row:last-child{border-bottom:0}
    .match-row:hover{background:var(--blue-50)}
    .match-time{font-weight:800;color:var(--blue-700)}
    .match-teams strong{display:block;color:var(--blue-950);font-size:15px}
    .match-teams small{color:var(--muted);font-size:12px}
    .match-round{font-size:12px;color:var(--muted);text-align:right}
    .badge{display:inline-flex;align-items:center;justify-content:center;padding:4px 9px;border-radius:20px;font-size:12px;font-weight:700;white-space:nowrap}
    .badge-blue{color:var(--blue-800);background:var(--blue-100)}
    .badge-green{color:#287a65;background:#e8f6f0}
    .badge-gray{color:var(--muted);background:#eef2f5}
    .data-side{position:sticky;top:98px}
    .side-card{border:1px solid var(--line);border-radius:18px;background:#fff;padding:24px;box-shadow:var(--shadow-sm);margin-bottom:18px}
    .side-card h3{font-size:20px;color:var(--blue-950);margin:0 0 10px}
    .side-card p{font-size:14px;color:var(--muted);margin:0 0 16px}
    .side-list{list-style:none;padding:0;margin:0}
    .side-list li{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
    .side-list li:last-child{border-bottom:0}
    .side-list span{color:var(--muted)}
    .side-list b{color:var(--blue-800)}
    .image-card{position:relative;min-height:240px;border-radius:18px;overflow:hidden;background:var(--blue-900)}
    .image-card img{height:240px;opacity:.78}
    .image-card-content{position:absolute;inset:auto 20px 18px;color:#fff}
    .image-card-content .badge{background:rgba(255,255,255,.9);color:var(--blue-900);margin-bottom:8px}
    .image-card-content h3{font-size:21px;line-height:1.35;margin:0}
    .filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:28px}
    .filter-bar button{border:1px solid var(--line);background:#fff;color:var(--muted);padding:9px 15px;border-radius:9px;transition:var(--ease)}
    .filter-bar button:hover,.filter-bar button.active{color:var(--blue-700);border-color:var(--blue-600);background:var(--blue-50)}
    .insight-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px}
    .insight-main{padding:34px;background:var(--blue-950);border-radius:22px;color:#fff;position:relative;overflow:hidden}
    .insight-main:after{content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(255,255,255,.15);border-radius:50%;right:-65px;top:-55px}
    .insight-main h2{font-size:31px;line-height:1.35;margin:10px 0 15px;max-width:540px}
    .insight-main p{color:#d7e7f3;max-width:640px;margin:0 0 20px}
    .insight-main .btn-secondary{background:transparent;color:#fff;border-color:#7198b7}
    .insight-main .btn-secondary:hover{background:rgba(255,255,255,.1)}
    .insight-side{display:grid;gap:14px}
    .insight-item{padding:20px 22px;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:var(--shadow-sm)}
    .insight-item h3{font-size:17px;color:var(--blue-950);margin:5px 0}
    .insight-item p{font-size:14px;color:var(--muted);margin:0}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff}
    .step{padding:28px 27px;min-height:205px;border-right:1px solid var(--line);position:relative}
    .step:last-child{border-right:0}
    .step-number{font-size:13px;color:var(--blue-700);font-weight:900;letter-spacing:.12em}
    .step h3{font-size:21px;color:var(--blue-950);margin:16px 0 8px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .recommend-grid{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:stretch}
    .recommend-feature{border-radius:20px;overflow:hidden;position:relative;min-height:330px;background:var(--blue-900)}
    .recommend-feature img{height:100%;min-height:330px;opacity:.75}
    .recommend-feature div{position:absolute;inset:auto 25px 22px;color:#fff}
    .recommend-feature h3{font-size:26px;line-height:1.35;margin:10px 0}
    .recommend-feature p{margin:0;color:#e4eef5;font-size:14px}
    .update-list{border-top:1px solid var(--line)}
    .update-row{display:grid;grid-template-columns:100px 1fr auto;gap:20px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}
    .update-row time{font-size:13px;color:var(--muted-2)}
    .update-row h3{font-size:17px;color:var(--blue-950);margin:0 0 3px}
    .update-row p{font-size:13px;color:var(--muted);margin:0}
    .faq-contact{display:grid;grid-template-columns:4fr 8fr;gap:60px;align-items:start}
    .faq-contact .section-head{display:block;margin:0}
    .faq-contact .section-head p{margin-top:17px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;gap:16px;text-align:left;border:0;background:transparent;padding:20px 0;color:var(--blue-950);font-weight:800}
    .faq-question span:last-child{font-size:23px;color:var(--blue-700);line-height:1;transition:transform .25s}
    .faq-answer{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;transition:max-height .3s ease}
    .faq-answer p{margin:0 0 18px}
    .faq-item.open .faq-answer{max-height:160px}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .feedback{background:var(--blue-50);padding:25px;border-radius:18px;margin-top:34px}
    .feedback h3{color:var(--blue-950);margin:0 0 8px;font-size:20px}
    .feedback p{color:var(--muted);font-size:14px;margin:0 0 18px}
    .feedback-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .feedback-form textarea{grid-column:1/-1;min-height:100px;resize:vertical}
    input,textarea{width:100%;border:1px solid #cbdce8;border-radius:10px;background:#fff;color:var(--ink);padding:12px 14px}
    input::placeholder,textarea::placeholder{color:#9aaaba}
    .form-submit{grid-column:1/-1;display:flex;align-items:center;gap:14px}
    .form-message{font-size:13px;color:var(--green);display:none}
    footer{background:#f5f9fc;border-top:1px solid var(--line);padding:48px 0 22px}
    .footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:35px;padding-bottom:36px}
    .footer-brand p{max-width:290px;color:var(--muted);font-size:14px;margin:15px 0 0}
    .footer-title{font-weight:800;color:var(--blue-950);margin-bottom:13px}
    .footer-links{display:grid;gap:7px}
    .footer-links a{font-size:14px;color:var(--muted);transition:var(--ease)}
    .footer-links a:hover{color:var(--blue-700);transform:translateX(2px)}
    .footer-bottom{border-top:1px solid var(--line);padding-top:19px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;color:var(--muted-2);font-size:12px}
    .footer-bottom a{margin-left:14px;color:var(--muted)}
    .footer-bottom a:hover{color:var(--blue-700)}
    .back-top{position:fixed;right:22px;bottom:22px;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--blue-700);box-shadow:var(--shadow-sm);opacity:0;pointer-events:none;transition:var(--ease)}
    .back-top.show{opacity:1;pointer-events:auto}
    @media (max-width:1024px){
      .main-nav{gap:0}
      .main-nav>a,.mega-trigger{padding-left:8px;padding-right:8px;font-size:13px}
      .nav-cta{display:none}
      .hero-grid{gap:35px}
      .schedule-layout,.recommend-grid,.insight-grid{grid-template-columns:1fr}
      .data-side{position:static}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .nav-wrap{height:68px}
      .menu-toggle{display:block;margin-left:auto}
      .main-nav{display:none;position:absolute;top:68px;left:16px;right:16px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow-lg);align-items:stretch}
      .main-nav.open{display:flex;flex-direction:column}
      .main-nav>a,.mega-trigger{width:100%;text-align:left;padding:12px 13px}
      .mega-panel{position:static;width:auto;margin:6px 0 0;grid-template-columns:1fr;padding:13px;box-shadow:none;background:var(--blue-50)}
      .mega-panel.open{display:grid}
      .hero{padding:116px 0 55px}
      .hero-grid{grid-template-columns:1fr;gap:30px}
      .hero h1{font-size:clamp(38px,12vw,58px)}
      .hero-copy{font-size:16px}
      .section{padding:65px 0}
      .section-head{display:block;margin-bottom:28px}
      .section-head p{margin-top:15px}
      .intro-grid{grid-template-columns:1fr;gap:20px}
      .data-strip{grid-template-columns:1fr 1fr;margin-top:30px}
      .data-item{border-bottom:1px solid var(--line)}
      .data-item:nth-child(2){border-right:0}
      .data-item:nth-child(3){border-bottom:0}
      .data-item:nth-child(4){border-right:0;border-bottom:0}
      .match-row{grid-template-columns:67px 1fr auto;gap:8px;padding:15px}
      .match-round{display:none}
      .steps{grid-template-columns:1fr}
      .step{border-right:0;border-bottom:1px solid var(--line);min-height:auto}
      .step:last-child{border-bottom:0}
      .faq-contact{grid-template-columns:1fr;gap:28px}
      .footer-top{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
      .footer-bottom a:first-child{margin-left:0}
    }
    @media (max-width:520px){
      .hero-actions .btn{width:100%}
      .schedule-panel{padding:17px}
      .mini-match{grid-template-columns:52px 1fr auto}
      .date-choice button{padding:8px 2px}
      .data-number{font-size:30px}
      .data-item{padding:22px 14px}
      .day-head{padding:14px}
      .day-head strong{font-size:16px}
      .match-teams strong{font-size:14px}
      .update-row{grid-template-columns:1fr;gap:4px;padding:16px 0}
      .update-row .text-link{font-size:13px}
      .feedback-form{grid-template-columns:1fr}
      .feedback-form textarea,.form-submit{grid-column:auto}
      .form-submit{display:block}
      .form-submit .btn{width:100%}
      .form-message{display:block;margin-top:9px}
      .footer-top{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
    }
    @media (prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category7 */
:root{
 --blue-950:#102b4c;
 --blue-900:#173d68;
 --blue-800:#1d568d;
 --blue-700:#2174b9;
 --blue-600:#2f8bd0;
 --blue-100:#e7f2fb;
 --blue-50:#f3f8fc;
 --ink:#172536;
 --muted:#63758a;
 --muted-2:#8c9bad;
 --line:#dce7f0;
 --white:#fff;
 --warm:#f4b85f;
 --green:#2e9278;
 --red:#c96b63;
 --radius-sm:10px;
 --radius-md:16px;
 --radius-lg:24px;
 --shadow-sm:0 8px 24px rgba(28,70,108,.07);
 --shadow-md:0 18px 45px rgba(28,70,108,.12);
 --shadow-lg:0 28px 70px rgba(23,61,104,.18);
 --container:1180px;
 --ease:all .25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;color:var(--ink);background:#fff;
 font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
 font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:auto;object-fit:cover}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue-700);font-size:13px;font-weight:800;letter-spacing:.12em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--warm);display:inline-block}
.section{padding:92px 0}
.section-soft{background:var(--blue-50)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:40px}
.section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.25;margin:12px 0 0;color:var(--blue-950);letter-spacing:-.03em}
.section-head p{max-width:540px;margin:0;color:var(--muted)}
.text-link{color:var(--blue-700);font-weight:750;display:inline-flex;align-items:center;gap:8px;transition:var(--ease)}
.text-link:hover{color:var(--blue-950);gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border-radius:11px;border:1px solid transparent;font-size:15px;font-weight:750;transition:var(--ease);white-space:nowrap}
.btn-primary{background:var(--blue-700);color:#fff;box-shadow:0 8px 18px rgba(33,116,185,.22)}
.btn-primary:hover{background:var(--blue-900);transform:translateY(-2px);box-shadow:0 12px 24px rgba(33,116,185,.28)}
.btn-secondary{background:#fff;color:var(--blue-800);border-color:#bfd5e5}
.btn-secondary:hover{border-color:var(--blue-700);background:var(--blue-50);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--blue-700);padding-left:0;padding-right:0}
.btn:focus-visible,.mega-trigger:focus-visible,.main-nav a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(244,184,95,.7);outline-offset:3px}
.btn:active{transform:translateY(1px)}
.site-header{position:fixed;z-index:20;top:0;left:0;width:100%;transition:var(--ease);border-bottom:1px solid transparent;background:rgba(255,255,255,.9);backdrop-filter:blur(14px)}
.site-header.scrolled{background:rgba(255,255,255,.97);border-color:var(--line);box-shadow:var(--shadow-sm)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:21px;font-weight:900;color:var(--blue-950);white-space:nowrap}
.brand-mark{position:relative;width:34px;height:34px;border-radius:10px;background:var(--blue-700);overflow:hidden;flex:0 0 auto}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;transform:skew(-25deg)}
.brand-mark:before{width:7px;height:25px;left:9px;top:5px}
.brand-mark:after{width:7px;height:17px;left:20px;top:9px;background:var(--warm)}
.main-nav{display:flex;align-items:center;gap:3px;margin-left:auto}
.main-nav>a,.mega-trigger{border:0;background:transparent;padding:10px 11px;border-radius:8px;color:#52677d;font-size:14px;transition:var(--ease)}
.main-nav>a:hover,.main-nav>a.active,.mega-trigger:hover,.mega-trigger[aria-expanded="true"]{color:var(--blue-700);background:var(--blue-50)}
.mega{position:relative}
.mega-trigger{display:flex;align-items:center;gap:5px}
.chevron{transition:var(--ease)}
.mega-trigger[aria-expanded="true"] .chevron{transform:rotate(180deg)}
.mega-panel{position:absolute;right:0;top:54px;width:520px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-md);display:grid;grid-template-columns:1fr 1.25fr;gap:24px;opacity:0;visibility:hidden;transform:translateY(8px);transition:var(--ease)}
.mega-panel.open{opacity:1;visibility:visible;transform:translateY(0)}
.mega-panel h4{margin:0 0 12px;color:var(--blue-950);font-size:14px}
.mega-list{display:grid;gap:5px}
.mega-list a{display:block;padding:7px 9px;border-radius:8px;color:var(--muted);font-size:14px}
.mega-list a:hover{color:var(--blue-700);background:var(--blue-50)}
.mega-feature{padding:17px;background:var(--blue-50);border-radius:12px}
.mega-feature strong{display:block;font-size:17px;line-height:1.45;color:var(--blue-950);margin-bottom:7px}
.mega-feature p{font-size:13px;color:var(--muted);margin:0 0 12px;line-height:1.7}
.mobile-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;color:var(--blue-900);width:42px;height:42px;border-radius:10px}
.mobile-toggle span,.mobile-toggle:before,.mobile-toggle:after{content:"";display:block;width:19px;height:2px;background:currentColor;margin:4px auto;transition:var(--ease)}
.page-hero{padding:145px 0 72px;background:linear-gradient(120deg,#f3f8fc 0%,#fff 65%);position:relative;overflow:hidden}
.page-hero:after{content:"";position:absolute;right:-120px;top:80px;width:420px;height:420px;border:1px solid rgba(47,139,208,.14);border-radius:50%;box-shadow:0 0 0 30px rgba(47,139,208,.035),0 0 0 65px rgba(47,139,208,.025)}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:62px;align-items:center;position:relative;z-index:1}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted-2);font-size:13px;margin-bottom:24px}
.breadcrumb a:hover{color:var(--blue-700)}
.page-hero h1{font-size:clamp(38px,5.5vw,68px);line-height:1.16;letter-spacing:-.045em;color:var(--blue-950);margin:12px 0 22px;max-width:700px}
.page-hero .lead{font-size:18px;color:var(--muted);max-width:650px;margin:0 0 30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{display:flex;gap:22px;flex-wrap:wrap;margin-top:28px;color:var(--muted);font-size:13px}
.hero-note strong{display:block;color:var(--blue-900);font-size:20px;line-height:1.2}
.hero-image{min-height:350px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.hero-image img{height:100%;min-height:350px}
.hero-image:after{content:"精选内容";position:absolute;left:22px;bottom:20px;padding:6px 12px;border-radius:7px;color:#fff;background:rgba(16,43,76,.78);font-size:13px}
.feature-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:24px;align-items:stretch}
.feature-card{display:grid;grid-template-columns:1.05fr .95fr;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.feature-card .cover{min-height:330px}
.feature-card .cover img{height:100%}
.feature-content{padding:32px}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:6px;background:var(--blue-100);color:var(--blue-700);font-size:12px;font-weight:800}
.feature-content h3{font-size:29px;line-height:1.4;color:var(--blue-950);margin:18px 0 13px}
.feature-content p{color:var(--muted);margin:0 0 24px}
.meta{display:flex;align-items:center;gap:13px;color:var(--muted-2);font-size:13px;flex-wrap:wrap}
.meta .dot{width:4px;height:4px;border-radius:50%;background:var(--warm)}
.side-picks{display:grid;gap:14px}
.pick-mini{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 21px;transition:var(--ease);display:flex;flex-direction:column;justify-content:space-between}
.pick-mini:hover,.story-item:hover,.recent-item:hover{border-color:#a8cce5;box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.pick-mini h3{font-size:18px;line-height:1.45;color:var(--blue-950);margin:13px 0 8px}
.pick-mini p{font-size:14px;color:var(--muted);margin:0 0 14px;line-height:1.7}
.rank{color:var(--warm);font-size:22px;font-weight:900;line-height:1}
.section-intro{max-width:690px;color:var(--muted);font-size:17px;margin:-16px 0 34px}
.hot-layout{display:grid;grid-template-columns:8fr 4fr;gap:48px;align-items:start}
.story-list{display:grid;gap:0}
.story-item{display:grid;grid-template-columns:92px 1fr 150px;gap:24px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
.story-date{color:var(--blue-700);font-weight:800;font-size:14px}
.story-date small{display:block;color:var(--muted-2);font-weight:500;margin-top:3px}
.story-item h3{font-size:19px;line-height:1.45;margin:0 0 6px;color:var(--blue-950)}
.story-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.7}
.story-thumb{height:92px;border-radius:10px;overflow:hidden}
.story-thumb img{height:100%}
.index-card{background:var(--blue-950);color:#fff;border-radius:var(--radius-lg);padding:28px;position:sticky;top:100px}
.index-card h3{font-size:23px;margin:0 0 12px}
.index-card>p{color:#bdcede;font-size:14px;margin:0 0 22px}
.index-links{display:flex;flex-wrap:wrap;gap:9px}
.index-links a{padding:7px 11px;border:1px solid rgba(255,255,255,.2);border-radius:7px;color:#dcebf5;font-size:13px;transition:var(--ease)}
.index-links a:hover{background:#fff;color:var(--blue-900)}
.stat-band{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.stat-lead{padding:31px;background:var(--blue-100)}
.stat-lead h3{font-size:25px;line-height:1.35;color:var(--blue-950);margin:0 0 10px}
.stat-lead p{color:var(--muted);font-size:14px;margin:0}
.stat{padding:33px 25px;border-left:1px solid var(--line)}
.stat strong{display:block;color:var(--blue-700);font-size:39px;line-height:1.2;letter-spacing:-.04em}
.stat span{display:block;color:var(--muted);font-size:14px;margin-top:8px}
.recent-layout{display:grid;grid-template-columns:5fr 7fr;gap:62px;align-items:start}
.recent-copy h2{font-size:36px;line-height:1.3;color:var(--blue-950);margin:12px 0 17px}
.recent-copy p{color:var(--muted);margin:0 0 22px}
.recent-list{border-top:1px solid var(--line)}
.recent-item{display:grid;grid-template-columns:82px 1fr;gap:19px;padding:20px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
.recent-item time{color:var(--muted-2);font-size:13px;padding-top:3px}
.recent-item h3{font-size:17px;line-height:1.45;margin:0 0 5px;color:var(--blue-950)}
.recent-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.65}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}
.tag-row a{font-size:13px;color:var(--blue-700);border:1px solid #c8dce9;padding:5px 11px;border-radius:7px;background:#fff}
.tag-row a:hover{background:var(--blue-50);border-color:var(--blue-700)}
.deep-layout{display:grid;grid-template-columns:5fr 7fr;gap:54px;align-items:center}
.deep-image{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);min-height:360px}
.deep-image img{height:100%;min-height:360px}
.deep-copy h2{font-size:36px;line-height:1.3;color:var(--blue-950);margin:12px 0 18px}
.deep-copy p{color:var(--muted);margin:0 0 16px}
.deep-points{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:25px 0}
.deep-point{border-left:3px solid var(--warm);padding-left:14px}
.deep-point strong{display:block;color:var(--blue-900);font-size:15px}
.deep-point span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
.path-grid{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:18px;align-items:stretch}
.path-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);position:relative}
.path-card:nth-child(2){background:var(--blue-900);color:#fff;transform:translateY(-12px);box-shadow:var(--shadow-md)}
.path-card:nth-child(2) h3,.path-card:nth-child(2) p{color:#fff}
.path-num{font-size:13px;color:var(--warm);font-weight:900;letter-spacing:.1em}
.path-card h3{font-size:21px;line-height:1.4;color:var(--blue-950);margin:13px 0 8px}
.path-card p{color:var(--muted);font-size:14px;margin:0 0 17px}
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:70px;align-items:start}
.faq-copy h2{font-size:34px;line-height:1.35;color:var(--blue-950);margin:12px 0 15px}
.faq-copy p{color:var(--muted);margin:0}
.faq-list{display:grid;gap:10px}
.faq-item{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}
.faq-q{width:100%;border:0;background:#fff;text-align:left;padding:19px 22px;display:flex;justify-content:space-between;align-items:center;gap:20px;color:var(--blue-950);font-weight:800}
.faq-q span:last-child{font-size:22px;color:var(--blue-700);transition:var(--ease)}
.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
.faq-a{display:none;padding:0 22px 19px;color:var(--muted);font-size:14px}
.faq-item.open .faq-a{display:block}
.contact-box{display:grid;grid-template-columns:5fr 7fr;gap:55px;background:var(--blue-100);border-radius:var(--radius-lg);padding:43px}
.contact-copy h2{font-size:35px;line-height:1.3;color:var(--blue-950);margin:12px 0 15px}
.contact-copy p{color:var(--muted);margin:0 0 21px}
.contact-meta{display:grid;gap:8px;font-size:14px;color:var(--blue-900)}
.feedback-form{display:grid;gap:14px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:6px}
.field label{font-size:13px;font-weight:800;color:var(--blue-900)}
.field input,.field textarea{width:100%;border:1px solid #bcd3e3;border-radius:9px;background:#fff;padding:11px 13px;color:var(--ink);transition:var(--ease)}
.field input{height:46px}
.field textarea{min-height:115px;resize:vertical}
.field input:hover,.field textarea:hover,.field input:focus,.field textarea:focus{border-color:var(--blue-600);box-shadow:0 0 0 3px rgba(47,139,208,.12);outline:0}
.form-status{font-size:13px;color:var(--green);min-height:22px}
footer{background:#edf5fa;border-top:1px solid var(--line);padding:48px 0 22px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:35px;padding-bottom:35px}
.footer-brand .brand{margin-bottom:13px}
.footer-brand p{color:var(--muted);font-size:14px;max-width:290px;margin:0}
.footer-title{font-weight:850;color:var(--blue-950);margin-bottom:12px}
.footer-links{display:grid;gap:7px}
.footer-links a{font-size:14px;color:var(--muted);transition:var(--ease)}
.footer-links a:hover{color:var(--blue-700);transform:translateX(2px)}
.footer-bottom{border-top:1px solid var(--line);padding-top:19px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted-2);font-size:12px}
.footer-bottom a{margin-left:14px;color:var(--blue-700)}
.back-top{position:fixed;right:22px;bottom:22px;width:43px;height:43px;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--blue-700);box-shadow:var(--shadow-sm);opacity:0;visibility:hidden;transition:var(--ease);z-index:10}
.back-top.show{opacity:1;visibility:visible}
@media(max-width:1024px){
 .main-nav>a,.mega-trigger{padding-left:7px;padding-right:7px;font-size:13px}
 .nav-wrap{gap:14px}
 .hero-grid,.recent-layout,.deep-layout{gap:35px}
 .stat-band{grid-template-columns:1.2fr repeat(3,1fr)}
}
@media(max-width:768px){
 .container{width:min(calc(100% - 34px),var(--container))}
 .section{padding:68px 0}
 .nav-wrap{height:68px}
 .mobile-toggle{display:block}
 .main-nav{position:fixed;left:17px;right:17px;top:78px;display:grid;gap:4px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(-8px);transition:var(--ease);max-height:calc(100vh - 95px);overflow:auto}
 .main-nav.open{opacity:1;visibility:visible;transform:translateY(0)}
 .main-nav>a,.mega-trigger{width:100%;text-align:left;padding:12px 13px;font-size:15px}
 .mega-panel{position:static;width:auto;margin:5px 0 0;display:none;grid-template-columns:1fr;padding:15px}
 .mega-panel.open{display:grid}
 .mega{width:100%}
 .page-hero{padding:116px 0 54px}
 .hero-grid,.feature-layout,.hot-layout,.recent-layout,.deep-layout,.faq-layout,.contact-box{grid-template-columns:1fr}
 .page-hero h1{font-size:43px}
 .page-hero .lead{font-size:16px}
 .hero-image,.hero-image img{min-height:270px}
 .feature-card{grid-template-columns:1fr}
 .feature-card .cover{min-height:230px}
 .side-picks{grid-template-columns:1fr 1fr}
 .story-item{grid-template-columns:68px 1fr}
 .story-thumb{display:none}
 .index-card{position:static}
 .stat-band{grid-template-columns:1fr 1fr}
 .stat-lead{grid-column:span 2}
 .stat:nth-child(2){border-left:0}
 .path-grid{grid-template-columns:1fr}
 .path-card:nth-child(2){transform:none}
 .contact-box{padding:28px 22px;gap:28px}
 .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
 .container{width:min(calc(100% - 28px),var(--container))}
 .section-head{display:block;margin-bottom:28px}
 .section-head p{margin-top:14px}
 .page-hero h1{font-size:36px}
 .hero-actions .btn{width:100%}
 .hero-note{gap:15px}
 .side-picks{grid-template-columns:1fr}
 .feature-content{padding:24px}
 .feature-content h3{font-size:24px}
 .story-item{grid-template-columns:1fr;gap:5px;padding:18px 0}
 .story-date small{display:inline;margin-left:7px}
 .stat-band{grid-template-columns:1fr}
 .stat-lead{grid-column:auto}
 .stat{border-left:0;border-top:1px solid var(--line);padding:23px}
 .recent-copy h2,.deep-copy h2,.contact-copy h2{font-size:29px}
 .deep-points{grid-template-columns:1fr}
 .form-row{grid-template-columns:1fr}
 .footer-top{grid-template-columns:1fr;gap:24px}
 .footer-bottom{display:grid;gap:7px}
 .footer-bottom a{margin-left:0;margin-right:14px}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}

/* roulang page: category6 */
:root{
 --blue-950:#102b4c;
 --blue-900:#173d68;
 --blue-800:#1d568d;
 --blue-700:#2174b9;
 --blue-600:#2f8bd0;
 --blue-100:#e7f2fb;
 --blue-50:#f3f8fc;
 --ink:#172536;
 --muted:#63758a;
 --muted-2:#8c9bad;
 --line:#dce7f0;
 --white:#fff;
 --warm:#f4b85f;
 --green:#2e9278;
 --red:#c96b63;
 --radius-sm:10px;
 --radius-md:16px;
 --radius-lg:24px;
 --shadow-sm:0 8px 24px rgba(28,70,108,.07);
 --shadow-md:0 18px 45px rgba(28,70,108,.12);
 --shadow-lg:0 28px 70px rgba(23,61,104,.18);
 --container:1180px;
 --ease:all .25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 color:var(--ink);
 background:#fff;
 font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
 font-size:16px;
 line-height:1.8;
 -webkit-font-smoothing:antialiased;
}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:auto;object-fit:cover}
button,input,textarea{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{
 outline:3px solid rgba(244,184,95,.75);
 outline-offset:3px;
}
.container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.eyebrow{
 display:inline-flex;
 align-items:center;
 gap:8px;
 color:var(--blue-700);
 font-size:13px;
 font-weight:800;
 letter-spacing:.12em;
}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--warm);display:inline-block}
.section{padding:100px 0}
.section-head{
 display:flex;
 justify-content:space-between;
 align-items:end;
 gap:32px;
 margin-bottom:42px;
}
.section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.2;margin:12px 0 0;color:var(--blue-950)}
.section-head p{max-width:550px;margin:0;color:var(--muted)}
.text-link{
 color:var(--blue-700);
 font-weight:800;
 display:inline-flex;
 align-items:center;
 gap:8px;
 transition:var(--ease);
}
.text-link:hover{color:var(--blue-950);gap:12px}
.btn{
 display:inline-flex;
 align-items:center;
 justify-content:center;
 gap:9px;
 min-height:48px;
 padding:0 21px;
 border-radius:11px;
 border:1px solid transparent;
 font-size:15px;
 font-weight:800;
 transition:var(--ease);
 white-space:nowrap;
}
.btn-primary{background:var(--blue-700);color:#fff;box-shadow:0 8px 18px rgba(33,116,185,.22)}
.btn-primary:hover{background:var(--blue-900);transform:translateY(-2px);box-shadow:0 12px 24px rgba(33,116,185,.28)}
.btn-secondary{background:#fff;color:var(--blue-800);border-color:#bfd5e5}
.btn-secondary:hover{border-color:var(--blue-700);background:var(--blue-50);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--blue-700);padding-left:0;padding-right:0}
.btn:active{transform:translateY(1px)}
.site-header{
 position:fixed;
 z-index:20;
 top:0;
 left:0;
 width:100%;
 transition:var(--ease);
 border-bottom:1px solid transparent;
 background:rgba(255,255,255,.9);
}
.site-header.scrolled{background:rgba(255,255,255,.97);border-color:var(--line);box-shadow:var(--shadow-sm);backdrop-filter:blur(14px)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:21px;font-weight:900;color:var(--blue-950);white-space:nowrap}
.brand-mark{position:relative;width:34px;height:34px;border-radius:10px;background:var(--blue-700);overflow:hidden;flex:none}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;transform:skew(-25deg)}
.brand-mark:before{width:7px;height:25px;left:9px;top:5px}
.brand-mark:after{width:7px;height:17px;left:20px;top:9px;background:var(--warm)}
.main-nav{display:flex;align-items:center;gap:3px;margin-left:auto}
.main-nav>a,.mega-trigger{
 border:0;
 background:transparent;
 padding:10px 12px;
 border-radius:8px;
 color:#52677d;
 font-size:14px;
 transition:var(--ease);
}
.main-nav>a:hover,.main-nav>a.active,.mega-trigger:hover,.mega-trigger[aria-expanded="true"]{color:var(--blue-700);background:var(--blue-50)}
.mega{position:relative}
.mega-trigger{display:flex;align-items:center;gap:5px}
.chevron{transition:transform .25s ease}
.mega-trigger[aria-expanded="true"] .chevron{transform:rotate(180deg)}
.mega-panel{
 position:absolute;
 right:0;
 top:51px;
 width:520px;
 padding:22px;
 display:grid;
 grid-template-columns:1fr 1.2fr;
 gap:24px;
 background:#fff;
 border:1px solid var(--line);
 border-radius:16px;
 box-shadow:var(--shadow-md);
 opacity:0;
 visibility:hidden;
 transform:translateY(8px);
 transition:var(--ease);
}
.mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mega-panel h4{margin:0 0 12px;color:var(--blue-950);font-size:14px}
.mega-list{display:grid;gap:6px}
.mega-list a{padding:8px 10px;border-radius:8px;color:var(--muted);font-size:14px}
.mega-list a:hover{background:var(--blue-50);color:var(--blue-700)}
.mega-feature{padding:17px;border-radius:12px;background:var(--blue-50);border:1px solid #d7e9f5}
.mega-feature strong{display:block;color:var(--blue-950);font-size:17px;line-height:1.5;margin-bottom:8px}
.mega-feature p{margin:0 0 12px;color:var(--muted);font-size:13px;line-height:1.7}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;width:42px;height:42px;color:var(--blue-900)}
.mobile-panel{display:none}
.page-hero{
 position:relative;
 padding:150px 0 82px;
 min-height:480px;
 background:
 linear-gradient(90deg,rgba(243,248,252,.98) 0%,rgba(243,248,252,.92) 42%,rgba(243,248,252,.55) 100%),
 url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
 overflow:hidden;
}
.page-hero:after{
 content:"";
 position:absolute;
 right:-80px;
 bottom:-120px;
 width:420px;
 height:260px;
 border:1px solid rgba(33,116,185,.14);
 transform:skewX(-25deg) rotate(-12deg);
 border-radius:50%;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:70px;align-items:center}
.breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:22px}
.breadcrumb a:hover{color:var(--blue-700)}
.breadcrumb span{color:var(--muted-2)}
.page-hero h1{font-size:clamp(40px,5vw,68px);line-height:1.12;letter-spacing:-.04em;color:var(--blue-950);margin:0 0 22px}
.page-hero h1 em{font-style:normal;color:var(--blue-700)}
.hero-copy{max-width:650px;color:var(--muted);font-size:18px;line-height:1.9;margin:0 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.guide-preview{
 background:#fff;
 border:1px solid rgba(220,231,240,.9);
 box-shadow:var(--shadow-lg);
 border-radius:22px;
 padding:22px;
}
.preview-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.preview-top strong{color:var(--blue-950);font-size:18px}
.status{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-size:12px;font-weight:800}
.status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green)}
.preview-row{display:flex;gap:14px;align-items:center;padding:15px 0;border-top:1px solid var(--line)}
.preview-date{width:52px;text-align:center;color:var(--blue-700);font-weight:900;font-size:13px;line-height:1.35}
.preview-info{flex:1}
.preview-info strong{display:block;font-size:15px;color:var(--ink);line-height:1.45}
.preview-info span{display:block;color:var(--muted-2);font-size:12px;margin-top:3px}
.preview-tag{padding:4px 8px;border-radius:6px;color:var(--blue-700);background:var(--blue-100);font-size:11px;font-weight:800}
.guide-nav{position:sticky;top:98px;align-self:start}
.guide-nav-card{padding:22px;background:var(--blue-950);border-radius:18px;color:#fff;box-shadow:var(--shadow-md)}
.guide-nav-card h3{font-size:18px;margin:0 0 14px}
.guide-nav-card p{font-size:13px;color:#c5d6e6;line-height:1.7;margin:0 0 16px}
.guide-nav-links{display:grid;gap:6px}
.guide-nav-links a{padding:10px 12px;border-radius:8px;color:#d5e4ef;font-size:14px;transition:var(--ease)}
.guide-nav-links a:hover,.guide-nav-links a.active{background:rgba(255,255,255,.12);color:#fff}
.content-layout{display:grid;grid-template-columns:280px 1fr;gap:52px;align-items:start}
.bg-soft{background:var(--blue-50)}
.intro-block{max-width:760px}
.intro-block h2{font-size:34px;line-height:1.3;color:var(--blue-950);margin:0 0 18px}
.intro-block p{color:var(--muted);margin:0 0 18px}
.step-list{display:grid;gap:16px}
.step-item{
 display:grid;
 grid-template-columns:58px 1fr;
 gap:18px;
 padding:22px;
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius-md);
 box-shadow:var(--shadow-sm);
 transition:var(--ease);
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#b9d6e9}
.step-num{
 width:44px;height:44px;border-radius:12px;
 display:grid;place-items:center;
 background:var(--blue-100);
 color:var(--blue-700);
 font-size:18px;font-weight:900;
}
.step-item h3{margin:0 0 5px;color:var(--blue-950);font-size:19px}
.step-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
.info-band{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.info-cell{background:#fff;padding:28px 25px}
.info-cell strong{display:block;font-size:30px;color:var(--blue-700);line-height:1.1;margin-bottom:8px}
.info-cell span{color:var(--muted);font-size:14px}
.reading-grid{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:stretch}
.image-card{min-height:430px;border-radius:20px;overflow:hidden;position:relative;background:#dbeaf5}
.image-card img{height:100%;min-height:430px}
.image-card:after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,rgba(16,43,76,.72))}
.image-caption{position:absolute;z-index:1;left:28px;right:28px;bottom:24px;color:#fff}
.image-caption .tag{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.35)}
.image-caption h3{font-size:25px;line-height:1.35;margin:10px 0 0}
.guide-points{display:grid;gap:14px}
.point-card{padding:23px 25px;border:1px solid var(--line);border-radius:var(--radius-md);background:#fff;box-shadow:var(--shadow-sm)}
.point-card h3{margin:0 0 6px;color:var(--blue-950);font-size:18px}
.point-card p{margin:0;color:var(--muted);font-size:14px}
.tag{display:inline-flex;align-items:center;padding:5px 10px;border:1px solid #cde2ef;border-radius:7px;background:var(--blue-50);color:var(--blue-700);font-size:12px;font-weight:800}
.topic-strip{display:flex;gap:9px;flex-wrap:wrap}
.update-list{border-top:1px solid var(--line)}
.update-item{display:grid;grid-template-columns:110px 1fr auto;gap:20px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}
.update-date{color:var(--muted-2);font-size:13px;font-weight:700}
.update-item h3{margin:0;color:var(--blue-950);font-size:17px}
.update-item p{margin:4px 0 0;color:var(--muted);font-size:13px;line-height:1.7}
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:62px;align-items:start}
.faq-intro h2{font-size:36px;line-height:1.3;color:var(--blue-950);margin:12px 0 15px}
.faq-intro p{color:var(--muted);margin:0}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{
 width:100%;min-height:64px;padding:17px 0;
 display:flex;justify-content:space-between;align-items:center;gap:20px;
 border:0;background:none;text-align:left;color:var(--blue-950);font-weight:800;
}
.faq-icon{width:25px;height:25px;border:1px solid #b7d0e2;border-radius:50%;display:grid;place-items:center;color:var(--blue-700);transition:var(--ease);flex:none}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-answer p{margin:0 38px 18px 0;color:var(--muted);font-size:14px}
.faq-item.open .faq-answer{max-height:180px}
.faq-item.open .faq-icon{background:var(--blue-700);border-color:var(--blue-700);color:#fff;transform:rotate(45deg)}
.contact-section{padding:82px 0}
.contact-box{
 display:grid;
 grid-template-columns:5fr 7fr;
 gap:56px;
 padding:46px;
 border-radius:24px;
 background:linear-gradient(135deg,#eaf4fb,#f7fbfd);
 border:1px solid #d4e6f1;
}
.contact-copy h2{color:var(--blue-950);font-size:36px;line-height:1.3;margin:12px 0 15px}
.contact-copy p{color:var(--muted);margin:0 0 22px}
.contact-meta{display:grid;gap:10px;color:var(--muted);font-size:14px}
.contact-meta strong{color:var(--blue-950)}
.feedback-form{display:grid;gap:14px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:6px}
.field label{font-size:13px;color:var(--blue-950);font-weight:800}
.field input,.field textarea{
 width:100%;border:1px solid #c9dce9;background:#fff;border-radius:10px;
 padding:12px 14px;color:var(--ink);transition:var(--ease);
}
.field textarea{min-height:116px;resize:vertical}
.field input:hover,.field textarea:hover{border-color:#9fc3da}
.field input:focus,.field textarea:focus{border-color:var(--blue-700);box-shadow:0 0 0 4px rgba(47,139,208,.12);outline:0}
.form-note{font-size:12px;color:var(--muted-2);margin:0}
.form-message{display:none;padding:10px 12px;border-radius:8px;background:#e6f5f0;color:#23745f;font-size:13px}
.form-message.show{display:block}
footer{background:var(--blue-950);color:#d9e6f0;padding:58px 0 20px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.14)}
.footer-brand .brand{color:#fff;margin-bottom:15px}
.footer-brand p{max-width:290px;color:#a9bfd1;font-size:14px;margin:0}
.footer-title{color:#fff;font-weight:800;margin-bottom:14px}
.footer-links{display:grid;gap:8px}
.footer-links a{color:#a9bfd1;font-size:14px;transition:var(--ease)}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:20px;color:#91aabd;font-size:12px}
.footer-bottom a{margin-left:14px;color:#c8d9e6}
.footer-bottom a:hover{color:#fff}
@media(max-width:1100px){
 .main-nav>a,.mega-trigger{padding-left:8px;padding-right:8px;font-size:13px}
 .nav-wrap{gap:14px}
 .hero-grid{gap:38px}
}
@media(max-width:900px){
 .main-nav{display:none}
 .menu-toggle{display:block;margin-left:auto}
 .mobile-panel{
  position:fixed;z-index:19;top:76px;left:0;right:0;bottom:0;
  padding:22px 24px;background:#fff;overflow:auto;
  display:block;transform:translateX(100%);transition:transform .3s ease;
 }
 .mobile-panel.is-open{transform:translateX(0)}
 .mobile-panel a{display:block;padding:13px 0;border-bottom:1px solid var(--line);color:var(--blue-900);font-weight:700}
 .hero-grid,.content-layout,.faq-layout,.contact-box,.reading-grid{grid-template-columns:1fr}
 .guide-nav{position:static}
 .guide-nav-card{display:block}
 .section{padding:76px 0}
 .page-hero{padding-top:125px}
 .page-hero h1{font-size:clamp(38px,8vw,58px)}
 .image-card,.image-card img{min-height:360px}
 .footer-top{grid-template-columns:1.6fr 1fr 1fr}
}
@media(max-width:650px){
 .container{width:min(calc(100% - 32px),var(--container))}
 .page-hero{padding-bottom:60px}
 .hero-copy{font-size:16px}
 .section-head{display:block;margin-bottom:28px}
 .section-head p{margin-top:16px}
 .hero-actions,.hero-actions .btn{width:100%}
 .info-band{grid-template-columns:1fr}
 .info-cell{padding:21px}
 .update-item{grid-template-columns:76px 1fr;gap:12px}
 .update-item .text-link{grid-column:2}
 .form-row{grid-template-columns:1fr}
 .contact-box{padding:28px 22px;gap:30px}
 .contact-copy h2,.faq-intro h2{font-size:30px}
 .footer-top{grid-template-columns:1fr 1fr;gap:30px}
 .footer-brand{grid-column:1/-1}
 .footer-bottom{display:grid;gap:10px}
 .footer-bottom span:last-child a:first-child{margin-left:0}
}
@media(max-width:375px){
 .container{width:calc(100% - 28px)}
 .brand{font-size:18px}
 .brand-mark{width:31px;height:31px}
 .guide-preview{padding:16px}
 .preview-row{gap:8px}
 .preview-tag{display:none}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}