/* roulang page: index */
:root{
      --primary:#2563EB;
      --primary-deep:#173B73;
      --primary-soft:#EEF5FF;
      --accent:#B9934A;
      --accent-soft:#FFF7E5;
      --bg:#F6F8FC;
      --bg-2:#FAFBFF;
      --surface:#FFFFFF;
      --text:#334155;
      --title:#10233F;
      --muted:#64748B;
      --border:#E4EAF3;
      --border-blue:rgba(37,99,235,.12);
      --success:#0F9F6E;
      --shadow:0 18px 45px rgba(15,35,75,.08);
      --shadow-hover:0 24px 60px rgba(15,35,75,.13);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --nav-h:72px;
      --ease:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 12%, rgba(37,99,235,.07), transparent 28%),
        radial-gradient(circle at 92% 22%, rgba(185,147,74,.08), transparent 24%),
        var(--bg);
      line-height:1.82;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover,a:focus{color:var(--primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea,select{font-family:inherit}
    button,.button,a,input,textarea{outline:none}
    button:focus-visible,.button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(37,99,235,.28);
      outline-offset:3px;
    }
    p{margin:0 0 16px}
    h1,h2,h3,h4{color:var(--title);font-weight:800;line-height:1.18;margin:0}
    .site-container{max-width:1240px;margin:0 auto;padding:0 24px}
    .section{padding:96px 0}
    .section-tight{padding:72px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-kicker{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--primary-deep);font-size:13px;font-weight:800;
      padding:7px 12px;border-radius:999px;background:var(--primary-soft);
      border:1px solid rgba(37,99,235,.10);margin-bottom:14px;
    }
    .section-title{font-size:34px;letter-spacing:-.02em}
    .section-desc{max-width:760px;color:var(--muted);font-size:16px;margin-top:14px}
    .badge-dot{
      width:7px;height:7px;border-radius:50%;background:var(--accent);
      box-shadow:0 0 0 5px rgba(185,147,74,.13);
    }
    .site-header{
      position:sticky;top:0;z-index:50;height:var(--nav-h);
      background:rgba(255,255,255,.92);backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(226,234,243,.86);
    }
    .nav-wrap{
      height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:22px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;min-width:max-content;font-weight:900;color:var(--title);
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      color:#fff;font-size:12px;letter-spacing:.04em;font-weight:900;
      background:linear-gradient(145deg,#2563EB,#173B73);
      box-shadow:0 12px 28px rgba(37,99,235,.22);
      position:relative;overflow:hidden;
    }
    .brand-mark:after{
      content:"";position:absolute;inset:9px 8px auto 8px;height:2px;background:rgba(255,255,255,.75);
      box-shadow:0 8px 0 rgba(255,255,255,.45);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.15}
    .brand-text strong{font-size:17px}
    .brand-text span{font-size:12px;color:var(--muted);font-weight:700;margin-top:2px}
    .nav-menu{display:flex;align-items:center;gap:8px;margin:0;list-style:none}
    .nav-menu a{
      display:inline-flex;align-items:center;min-height:42px;padding:0 15px;border-radius:999px;
      color:#405066;font-size:14px;font-weight:800;
    }
    .nav-menu a:hover{background:var(--primary-soft);color:var(--primary-deep)}
    .nav-menu a.active{background:#EAF2FF;color:var(--primary);box-shadow:inset 0 0 0 1px rgba(37,99,235,.10)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .search-pill{
      width:260px;height:42px;border-radius:999px;border:1px solid #DDE7F4;
      background:#F7FAFF;display:flex;align-items:center;gap:9px;padding:0 15px;color:var(--muted);
    }
    .search-pill svg{width:17px;height:17px;flex:0 0 auto}
    .search-pill input{
      width:100%;border:0;background:transparent;box-shadow:none;margin:0;padding:0;
      height:38px;font-size:13px;color:var(--text);
    }
    .search-pill input:focus{border:0;background:transparent;box-shadow:none}
    .menu-toggle{
      display:none;width:44px;height:44px;border:1px solid var(--border);
      border-radius:14px;background:#fff;align-items:center;justify-content:center;cursor:pointer;
    }
    .menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{
      display:block;width:18px;height:2px;background:var(--primary-deep);border-radius:2px;position:relative;transition:var(--ease);
    }
    .menu-toggle span:before,.menu-toggle span:after{content:"";position:absolute;left:0}
    .menu-toggle span:before{top:-6px}.menu-toggle span:after{top:6px}
    .menu-toggle.is-open span{background:transparent}
    .menu-toggle.is-open span:before{top:0;transform:rotate(45deg)}
    .menu-toggle.is-open span:after{top:0;transform:rotate(-45deg)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:13px 22px;border-radius:999px;border:1px solid transparent;
      font-weight:800;font-size:14px;line-height:1;cursor:pointer;transition:var(--ease);
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 28px rgba(37,99,235,.20)}
    .btn-primary:hover{background:#1D4ED8;color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(37,99,235,.28)}
    .btn-secondary{background:#fff;color:var(--primary-deep);border-color:#D7E4F8}
    .btn-secondary:hover{background:#EEF5FF;color:var(--primary);transform:translateY(-2px)}
    .btn-text{font-weight:900;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
    .btn-text .arrow{transition:var(--ease)}
    .btn-text:hover .arrow{transform:translateX(4px)}
    .hero{padding:58px 0 76px;position:relative;overflow:hidden}
    .hero:before{
      content:"";position:absolute;right:-120px;top:92px;width:420px;height:420px;border-radius:50%;
      background:rgba(37,99,235,.08);filter:blur(2px);z-index:-1;
    }
    .hero-grid{align-items:center;gap:42px}
    .hero-badge{
      display:inline-flex;align-items:center;gap:10px;
      padding:8px 14px;border-radius:999px;background:#fff;border:1px solid var(--border-blue);
      color:var(--primary-deep);font-size:13px;font-weight:900;box-shadow:0 8px 22px rgba(15,35,75,.05);margin-bottom:22px;
    }
    .hero h1{font-size:50px;letter-spacing:-.04em;max-width:690px}
    .hero h1 em{font-style:normal;color:var(--primary)}
    .hero-lead{
      margin-top:22px;max-width:690px;color:#475569;font-size:17px;line-height:1.88;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
    .trust-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:30px;max-width:690px}
    .trust-item{
      background:#fff;border:1px solid var(--border);border-radius:18px;padding:14px 16px;
      display:flex;gap:10px;align-items:flex-start;box-shadow:0 10px 26px rgba(15,35,75,.045);
    }
    .trust-icon{
      width:24px;height:24px;border-radius:8px;background:var(--primary-soft);color:var(--primary);
      display:grid;place-items:center;font-weight:900;font-size:13px;flex:0 0 auto;
    }
    .trust-item strong{display:block;color:var(--title);font-size:14px;line-height:1.35}
    .trust-item span{display:block;color:var(--muted);font-size:12px;margin-top:2px;line-height:1.45}
    .hero-visual{position:relative;padding:16px}
    .visual-card{
      position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(37,99,235,.12);
      box-shadow:var(--shadow);background:#fff;min-height:520px;
    }
    .visual-card img{width:100%;height:520px;object-fit:cover}
    .visual-card:after{
      content:"";position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(16,35,63,.20));
      pointer-events:none;
    }
    .floating-note{
      position:absolute;left:-4px;bottom:58px;max-width:260px;background:rgba(255,255,255,.96);
      border:1px solid var(--border);border-radius:22px;padding:18px;box-shadow:var(--shadow);z-index:2;
    }
    .floating-note.right{left:auto;right:-10px;top:60px;bottom:auto}
    .floating-note small{
      display:inline-flex;padding:5px 9px;border-radius:999px;background:var(--accent-soft);
      color:#8A6626;font-weight:900;font-size:12px;margin-bottom:8px;
    }
    .floating-note strong{display:block;color:var(--title);font-size:17px;line-height:1.35}
    .floating-note p{color:var(--muted);font-size:13px;line-height:1.55;margin:8px 0 0}
    .wave-divider{
      height:22px;background:
      linear-gradient(135deg, transparent 12px, rgba(37,99,235,.08) 0) 0 0/24px 24px,
      linear-gradient(225deg, transparent 12px, rgba(37,99,235,.08) 0) 0 0/24px 24px;
      opacity:.75;
    }
    .feature-layout{
      display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:auto auto;gap:18px;
    }
    .feature-card{
      background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
      padding:24px;box-shadow:var(--shadow);transition:var(--ease);position:relative;overflow:hidden;
    }
    .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .feature-card.large{grid-row:span 2;padding:28px;display:flex;flex-direction:column;justify-content:space-between;min-height:420px}
    .feature-cover{margin:22px -8px 0;border-radius:22px;overflow:hidden;border:1px solid var(--border)}
    .feature-cover img{width:100%;height:210px;object-fit:cover;transition:var(--ease)}
    .feature-card:hover img{transform:scale(1.04)}
    .tag{
      display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border-radius:999px;
      background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:900;
      border:1px solid rgba(37,99,235,.10);
    }
    .tag.gold{background:var(--accent-soft);color:#8A6626;border-color:rgba(185,147,74,.22)}
    .feature-card h3{font-size:22px;margin-top:16px}
    .feature-card p{color:var(--muted);font-size:15px;margin-top:12px;margin-bottom:0}
    .number-chip{
      width:34px;height:34px;border-radius:12px;background:#F2F6FF;color:var(--primary-deep);
      display:grid;place-items:center;font-weight:900;margin-bottom:16px;
    }
    .magazine{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
    .editor-note{
      position:sticky;top:96px;background:#F8FBFF;border:1px solid var(--border);
      border-radius:var(--radius-lg);padding:28px;box-shadow:0 12px 34px rgba(15,35,75,.05);
    }
    .editor-note h2{font-size:30px}
    .editor-note p{color:var(--muted);margin-top:16px}
    .mini-data{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
    .data-box{background:#fff;border:1px solid var(--border);border-radius:18px;padding:16px}
    .data-box strong{display:block;color:var(--primary-deep);font-size:24px;line-height:1}
    .data-box span{display:block;color:var(--muted);font-size:12px;margin-top:8px}
    .article-grid{columns:2 260px;column-gap:18px}
    .article-card{
      break-inside:avoid;margin:0 0 18px;background:#fff;border:1px solid var(--border);
      border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow);transition:var(--ease);
    }
    .article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .article-thumb{overflow:hidden;border-bottom:1px solid var(--border)}
    .article-thumb img{width:100%;height:190px;object-fit:cover;transition:var(--ease)}
    .article-card.tall .article-thumb img{height:260px}
    .article-card:hover .article-thumb img{transform:scale(1.04)}
    .article-body{padding:22px}
    .article-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px;margin-bottom:12px}
    .article-card h3{font-size:21px;line-height:1.35;margin-bottom:10px}
    .article-card p{font-size:15px;color:var(--muted);margin:0}
    .compare-wrap{
      background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
      box-shadow:var(--shadow);overflow:hidden;
    }
    .compare-row{display:grid;grid-template-columns:1fr 1fr 1fr}
    .compare-col{padding:30px;border-right:1px solid var(--border);position:relative}
    .compare-col:last-child{border-right:0}
    .compare-col.recommend{background:linear-gradient(180deg,#FFFDF7,#FFFFFF)}
    .recommend-badge{
      position:absolute;right:22px;top:22px;background:var(--accent-soft);color:#8A6626;
      border:1px solid rgba(185,147,74,.24);border-radius:999px;padding:5px 10px;font-size:12px;font-weight:900;
    }
    .compare-col h3{font-size:24px;margin-bottom:12px}
    .compare-col p{color:var(--muted);font-size:15px}
    .check-list{list-style:none;margin:18px 0 0;padding:0}
    .check-list li{
      position:relative;padding-left:28px;margin:12px 0;color:#405066;font-size:15px;line-height:1.6;
    }
    .check-list li:before{
      content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:6px;
      background:var(--primary-soft);border:1px solid rgba(37,99,235,.16);
    }
    .check-list li:after{
      content:"";position:absolute;left:5px;top:11px;width:6px;height:3px;border-left:2px solid var(--primary);
      border-bottom:2px solid var(--primary);transform:rotate(-45deg);
    }
    .steps-band{
      background:#F8FBFF;border:1px solid var(--border);border-radius:var(--radius-lg);
      padding:32px;box-shadow:0 12px 34px rgba(15,35,75,.05);
    }
    .steps-list{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px}
    .step-item{background:#fff;border:1px solid var(--border);border-radius:20px;padding:20px;min-height:178px}
    .step-item strong{
      width:38px;height:38px;border-radius:14px;background:var(--primary);color:#fff;
      display:grid;place-items:center;margin-bottom:14px;box-shadow:0 10px 22px rgba(37,99,235,.18);
    }
    .step-item h3{font-size:18px;margin-bottom:8px}
    .step-item p{font-size:14px;color:var(--muted);line-height:1.65;margin:0}
    .faq-section{background:linear-gradient(180deg,#F6F8FC,#FFFFFF)}
    .faq-wrap{max-width:920px;margin:0 auto}
    .accordion{background:transparent}
    .accordion-item{
      margin-bottom:14px;border:1px solid var(--border);border-radius:20px!important;
      background:#fff;overflow:hidden;box-shadow:0 10px 28px rgba(15,35,75,.045);
    }
    .accordion-title{
      border:0!important;color:var(--title)!important;font-size:17px;font-weight:900;
      padding:20px 56px 20px 22px;line-height:1.45;background:#fff;
    }
    .accordion-title:hover,.accordion-title:focus{background:#F8FBFF;color:var(--primary)!important}
    .accordion-title:before{right:22px;color:var(--primary);font-size:24px;margin-top:-13px}
    .accordion-content{
      border:0!important;border-top:1px solid var(--border)!important;
      color:var(--muted);font-size:15px;line-height:1.78;padding:20px 22px;background:#fff;
    }
    .cta-card{
      background:
        linear-gradient(135deg,rgba(37,99,235,.10),transparent 46%),
        linear-gradient(225deg,rgba(185,147,74,.12),transparent 42%),
        #FFFFFF;
      border:1px solid var(--border-blue);border-radius:32px;box-shadow:var(--shadow);
      padding:34px;overflow:hidden;position:relative;
    }
    .cta-card:after{
      content:"MGM";position:absolute;right:28px;bottom:-18px;font-size:96px;font-weight:900;
      color:rgba(37,99,235,.055);letter-spacing:-.06em;line-height:1;
    }
    .contact-form{
      background:#fff;border:1px solid var(--border);border-radius:24px;padding:24px;
      box-shadow:0 12px 34px rgba(15,35,75,.055);position:relative;z-index:1;
    }
    .form-row{margin-bottom:14px}
    .contact-form label{font-size:13px;font-weight:900;color:var(--primary-deep);margin-bottom:6px}
    .contact-form input,.contact-form textarea,.contact-form select{
      height:50px;border-radius:15px;border:1px solid #DDE7F4;background:#FAFCFF;
      box-shadow:none;margin:0;color:var(--text);font-size:14px;
    }
    .contact-form textarea{height:118px;resize:vertical;padding-top:12px}
    .contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{
      border-color:rgba(37,99,235,.55);box-shadow:0 0 0 4px rgba(37,99,235,.10);background:#fff;
    }
    .form-note{font-size:12px;color:var(--muted);line-height:1.6;margin-top:10px}
    .site-footer{
      background:#10233F;color:#D8E2F0;padding:58px 0 24px;margin-top:28px;
    }
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:34px}
    .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
    .footer-brand .brand-mark{box-shadow:none}
    .footer-brand strong{color:#fff;font-size:18px}
    .footer-text{max-width:560px;color:#B8C6D8;font-size:14px;line-height:1.8}
    .footer-col h3{color:#fff;font-size:16px;margin-bottom:14px}
    .footer-links{list-style:none;margin:0;padding:0}
    .footer-links li{margin:9px 0}
    .footer-links a{color:#C9D5E6;font-size:14px}
    .footer-links a:hover{color:#fff}
    .disclaimer{
      margin-top:28px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
      color:#AFC0D5;font-size:13px;line-height:1.75;
    }
    .copyright{
      display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
      margin-top:18px;color:#91A4BC;font-size:13px;
    }
    @media (max-width:1024px){
      :root{--nav-h:68px}
      .site-container{padding:0 20px}
      .nav-actions .search-pill{display:none}
      .hero{padding:42px 0 66px}
      .hero h1{font-size:40px}
      .visual-card,.visual-card img{min-height:420px;height:420px}
      .feature-layout{grid-template-columns:1fr 1fr}
      .feature-card.large{grid-column:span 2;min-height:auto}
      .compare-row{grid-template-columns:1fr}
      .compare-col{border-right:0;border-bottom:1px solid var(--border)}
      .compare-col:last-child{border-bottom:0}
      .steps-list{grid-template-columns:1fr 1fr}
      .editor-note{position:relative;top:auto;margin-bottom:24px}
    }
    @media (max-width:768px){
      body{font-size:15px}
      .section{padding:68px 0}
      .section-tight{padding:54px 0}
      .section-head{display:block}
      .section-title{font-size:28px}
      .nav-wrap{position:relative}
      .menu-toggle{display:flex}
      .nav-menu{
        position:absolute;left:0;right:0;top:calc(var(--nav-h) - 4px);
        background:#fff;border:1px solid var(--border);border-radius:20px;
        box-shadow:var(--shadow);padding:10px;display:none;flex-direction:column;align-items:stretch;
      }
      .nav-menu.is-open{display:flex}
      .nav-menu a{width:100%;justify-content:center;border-radius:14px}
      .nav-actions .btn{display:none}
      .hero h1{font-size:34px}
      .hero-lead{font-size:16px}
      .trust-strip{grid-template-columns:1fr}
      .floating-note{position:relative;left:auto;right:auto;top:auto;bottom:auto;margin:-38px 18px 0;max-width:none}
      .floating-note.right{display:none}
      .visual-card,.visual-card img{min-height:340px;height:340px}
      .feature-layout{grid-template-columns:1fr}
      .feature-card.large{grid-column:auto}
      .article-grid{columns:1}
      .steps-list{grid-template-columns:1fr}
      .cta-card{padding:24px;border-radius:24px}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .site-container{padding:0 16px}
      .brand-text span{display:none}
      .brand-mark{width:38px;height:38px}
      .hero h1{font-size:30px}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .feature-card,.article-body,.compare-col,.steps-band{padding:20px}
      .mini-data{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

/* roulang page: category1 */
:root{
      --primary:#2563EB;
      --primary-deep:#173B73;
      --primary-soft:#EEF5FF;
      --accent:#C7A45D;
      --accent-soft:#FFF7E5;
      --bg:#F6F8FC;
      --bg-soft:#FAFBFF;
      --card:#FFFFFF;
      --text:#334155;
      --muted:#64748B;
      --border:#E4EAF3;
      --border-blue:rgba(37,99,235,.14);
      --shadow:0 18px 45px rgba(15,35,75,.08);
      --shadow-hover:0 26px 60px rgba(15,35,75,.13);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --transition:220ms ease;
      --container:1220px;
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 8% 12%, rgba(37,99,235,.08), transparent 28%),
        radial-gradient(circle at 88% 18%, rgba(199,164,93,.10), transparent 26%),
        var(--bg);
      line-height:1.8;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--transition),background var(--transition),transform var(--transition)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea{font-family:inherit}
    button{cursor:pointer}
    :focus-visible{outline:4px solid rgba(37,99,235,.25);outline-offset:3px}
    .site-container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .section{padding:92px 0}
    .section.tight{padding:68px 0}
    .section-title{max-width:820px;margin-bottom:34px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-deep);
      font-size:13px;
      font-weight:700;
      border:1px solid var(--border-blue);
      margin-bottom:14px;
    }
    .eyebrow.gold{background:var(--accent-soft);border-color:rgba(199,164,93,.28);color:#7A5C1E}
    h1,h2,h3{color:#13213A;line-height:1.18;margin:0 0 16px;font-weight:800;letter-spacing:-.02em}
    h1{font-size:clamp(32px,4vw,46px)}
    h2{font-size:clamp(26px,3vw,35px)}
    h3{font-size:clamp(20px,2vw,24px)}
    p{margin:0 0 16px;color:var(--text)}
    .lead{font-size:17px;line-height:1.85;color:#475569;max-width:790px}
    .muted{color:var(--muted)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:13px 22px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      line-height:1.1;
      transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition),color var(--transition);
      white-space:nowrap;
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 28px rgba(37,99,235,.22)}
    .btn-primary:hover{background:#1D4ED8;color:#fff;transform:translateY(-2px);box-shadow:0 18px 36px rgba(37,99,235,.28)}
    .btn-secondary{background:#fff;color:var(--primary-deep);border-color:#D7E4F8}
    .btn-secondary:hover{background:var(--primary-soft);color:var(--primary);transform:translateY(-2px)}
    .text-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:800}
    .text-link span{transition:transform var(--transition)}
    .text-link:hover span{transform:translateX(3px)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.94);
      border-bottom:1px solid rgba(226,232,240,.9);
      backdrop-filter:saturate(160%) blur(14px);
      transition:box-shadow var(--transition),background var(--transition);
    }
    .site-header.is-scrolled{box-shadow:0 10px 32px rgba(15,35,75,.08)}
    .nav-wrap{
      min-height:72px;
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:24px;
    }
    .brand{display:inline-flex;align-items:center;gap:12px;min-width:max-content}
    .brand-mark{
      width:44px;height:44px;border-radius:15px;
      display:inline-flex;align-items:center;justify-content:center;
      background:linear-gradient(145deg,#173B73,#2563EB);
      color:#fff;font-size:13px;font-weight:900;letter-spacing:.04em;
      box-shadow:0 12px 24px rgba(37,99,235,.22);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.25}
    .brand-text strong{font-size:16px;color:#10233F}
    .brand-text span{font-size:12px;color:var(--muted)}
    .nav-menu{
      list-style:none;
      display:flex;
      align-items:center;
      justify-content:flex-start;
      gap:8px;
      padding:0;
      margin:0;
    }
    .nav-menu a{
      display:inline-flex;
      align-items:center;
      min-height:40px;
      padding:9px 15px;
      border-radius:999px;
      color:#334155;
      font-weight:700;
      font-size:15px;
    }
    .nav-menu a:hover{background:var(--primary-soft);color:var(--primary)}
    .nav-menu a.active{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(37,99,235,.20)}
    .nav-actions{display:flex;align-items:center;justify-content:flex-end;gap:12px}
    .search-pill{
      height:44px;
      width:260px;
      display:flex;
      align-items:center;
      gap:9px;
      padding:0 14px;
      border-radius:999px;
      background:#F1F5FB;
      border:1px solid #E2EAF5;
      color:#64748B;
      transition:border-color var(--transition),box-shadow var(--transition),background var(--transition);
    }
    .search-pill:focus-within{background:#fff;border-color:rgba(37,99,235,.35);box-shadow:0 0 0 4px rgba(37,99,235,.10)}
    .search-pill svg{width:18px;height:18px;flex:0 0 auto}
    .search-pill input{
      width:100%;
      border:0;
      background:transparent;
      box-shadow:none;
      margin:0;
      height:40px;
      padding:0;
      color:#10233F;
      font-size:14px;
    }
    .search-pill input:focus{border:0;box-shadow:none;background:transparent}
    .menu-toggle{
      display:none;
      width:46px;height:46px;border-radius:14px;
      border:1px solid var(--border);
      background:#fff;
      align-items:center;
      justify-content:center;
      padding:0;
    }
    .menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{
      content:"";
      display:block;
      width:20px;height:2px;
      background:#173B73;
      border-radius:2px;
      transition:transform var(--transition),opacity var(--transition);
    }
    .menu-toggle span:before{transform:translateY(-7px)}
    .menu-toggle span:after{transform:translateY(5px)}
    .menu-toggle.is-open span{background:transparent}
    .menu-toggle.is-open span:before{transform:translateY(2px) rotate(45deg)}
    .menu-toggle.is-open span:after{transform:translateY(0) rotate(-45deg)}
    .category-hero{padding:58px 0 42px;position:relative;overflow:hidden}
    .category-hero:before{
      content:"";
      position:absolute;inset:0 0 auto 0;height:320px;
      background:linear-gradient(180deg,rgba(238,245,255,.86),rgba(246,248,252,0));
      pointer-events:none;
    }
    .breadcrumb{
      display:flex;align-items:center;gap:8px;flex-wrap:wrap;
      margin-bottom:22px;color:#64748B;font-size:14px;
      position:relative;
    }
    .breadcrumb a{color:#2563EB;font-weight:700}
    .breadcrumb a:hover{color:#173B73}
    .hero-panel{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);
      gap:34px;
      align-items:stretch;
    }
    .hero-copy{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:38px;
      overflow:hidden;
      position:relative;
    }
    .hero-copy:after{
      content:"";
      position:absolute;
      width:220px;height:90px;right:-44px;bottom:-24px;
      background:
        repeating-linear-gradient(135deg, rgba(37,99,235,.11) 0 2px, transparent 2px 12px);
      border-radius:999px;
      transform:rotate(-8deg);
    }
    .hero-meta{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:28px;
      position:relative;
      z-index:1;
    }
    .meta-box{
      border:1px solid #E3EBF7;
      background:#FAFBFF;
      border-radius:18px;
      padding:14px;
    }
    .meta-box strong{display:block;color:#173B73;font-size:21px;line-height:1.2}
    .meta-box span{display:block;color:#64748B;font-size:13px;margin-top:4px}
    .hero-visual{
      border-radius:var(--radius-lg);
      overflow:hidden;
      min-height:360px;
      box-shadow:var(--shadow);
      border:1px solid var(--border);
      position:relative;
      background:#DDE8F7;
    }
    .hero-visual img{width:100%;height:100%;object-fit:cover;min-height:360px;filter:saturate(.96)}
    .hero-visual:after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(16,35,63,.05),rgba(16,35,63,.42));
    }
    .floating-note{
      position:absolute;
      left:22px;right:22px;bottom:22px;
      z-index:2;
      background:rgba(255,255,255,.94);
      border:1px solid rgba(255,255,255,.8);
      border-radius:22px;
      padding:18px;
      box-shadow:0 16px 36px rgba(15,35,75,.14);
    }
    .floating-note strong{display:block;color:#10233F;margin-bottom:5px}
    .filter-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:28px;
    }
    .filter-tag{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:8px 14px;
      border-radius:999px;
      background:#fff;
      color:#173B73;
      border:1px solid #DDE7F4;
      font-size:14px;
      font-weight:800;
    }
    .filter-tag.active{background:var(--primary);color:#fff;border-color:var(--primary)}
    .feature-strip{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:26px;
      align-items:stretch;
    }
    .topic-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      overflow:hidden;
      transition:transform var(--transition),box-shadow var(--transition);
    }
    .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .topic-card.large{display:grid;grid-template-columns:1fr 1.15fr}
    .topic-media{overflow:hidden;background:#EDF4FF;min-height:260px}
    .topic-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease}
    .topic-card:hover .topic-media img{transform:scale(1.04)}
    .topic-body{padding:28px}
    .badge{
      display:inline-flex;
      align-items:center;
      padding:6px 11px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary);
      font-size:13px;
      font-weight:900;
      margin-bottom:14px;
      border:1px solid rgba(37,99,235,.12);
    }
    .badge.gold{background:var(--accent-soft);color:#7A5C1E;border-color:rgba(199,164,93,.25)}
    .check-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:10px}
    .check-list li{
      display:flex;gap:10px;align-items:flex-start;
      color:#475569;
      font-size:15px;
    }
    .check-list li:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--primary);
      margin-top:10px;
      flex:0 0 auto;
      box-shadow:0 0 0 4px rgba(37,99,235,.10);
    }
    .side-note{
      background:#10233F;
      color:#EAF2FF;
      border-radius:var(--radius-lg);
      padding:30px;
      position:relative;
      overflow:hidden;
      min-height:100%;
    }
    .side-note:before{
      content:"";
      position:absolute;
      width:180px;height:180px;right:-70px;top:-70px;
      border-radius:50%;
      background:rgba(199,164,93,.20);
    }
    .side-note h3{color:#fff;position:relative}
    .side-note p{color:#D6E3F5;position:relative}
    .small-stat{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:20px;
      position:relative;
    }
    .small-stat div{
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      border-radius:18px;
      padding:14px;
    }
    .small-stat strong{display:block;color:#fff;font-size:22px;line-height:1}
    .small-stat span{font-size:13px;color:#C9D8EE}
    .magazine-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:28px;
      align-items:start;
    }
    .article-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:22px;
    }
    .article-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      overflow:hidden;
      box-shadow:0 14px 34px rgba(15,35,75,.06);
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(37,99,235,.22)}
    .article-card.tall .article-cover{height:250px}
    .article-cover{height:184px;background:#EAF2FF;overflow:hidden}
    .article-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease}
    .article-card:hover .article-cover img{transform:scale(1.04)}
    .article-content{padding:23px}
    .article-meta{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      margin-bottom:10px;
      color:#64748B;
      font-size:13px;
    }
    .article-content h3{font-size:21px;margin-bottom:10px}
    .article-content h3 a:hover{color:var(--primary)}
    .article-content p{font-size:15px;color:#536477;margin-bottom:14px}
    .inline-cta{
      grid-column:1/-1;
      display:grid;
      grid-template-columns:1fr auto;
      gap:20px;
      align-items:center;
      padding:24px;
      border-radius:24px;
      background:linear-gradient(135deg,#EEF5FF,#FFFFFF);
      border:1px solid var(--border-blue);
      box-shadow:0 12px 30px rgba(15,35,75,.05);
    }
    .inline-cta h3{margin-bottom:6px}
    .inline-cta p{margin:0;color:#64748B}
    .sidebar{
      position:sticky;
      top:94px;
      display:grid;
      gap:18px;
    }
    .side-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:24px;
      box-shadow:0 12px 30px rgba(15,35,75,.06);
    }
    .side-card h3{font-size:21px}
    .rank-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
    .rank-list li{
      display:grid;
      grid-template-columns:34px 1fr;
      gap:12px;
      align-items:start;
      padding:12px;
      border-radius:18px;
      background:#FAFBFF;
      border:1px solid #E8EEF7;
    }
    .rank-list b{
      width:34px;height:34px;border-radius:12px;
      display:flex;align-items:center;justify-content:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-size:14px;
    }
    .rank-list strong{display:block;color:#13213A;font-size:15px;line-height:1.45}
    .rank-list span{display:block;color:#64748B;font-size:13px;margin-top:3px}
    .steps{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
      counter-reset:step;
    }
    .step-card{
      counter-increment:step;
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:24px;
      box-shadow:0 12px 30px rgba(15,35,75,.05);
      position:relative;
      overflow:hidden;
    }
    .step-card:before{
      content:"0" counter(step);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;height:42px;
      border-radius:15px;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:900;
      margin-bottom:18px;
    }
    .step-card h3{font-size:20px;margin-bottom:10px}
    .step-card p{font-size:15px;color:#536477;margin:0}
    .faq-wrap{
      max-width:920px;
      margin:0 auto;
    }
    .accordion{
      background:transparent;
      border:0;
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid var(--border);
      border-radius:20px;
      overflow:hidden;
      background:#fff;
      box-shadow:0 12px 28px rgba(15,35,75,.05);
    }
    .accordion-title{
      border:0;
      padding:20px 56px 20px 22px;
      color:#13213A;
      font-weight:800;
      font-size:17px;
      line-height:1.5;
      min-height:62px;
      background:#fff;
    }
    .accordion-title:hover,.accordion-title:focus{background:var(--primary-soft);color:var(--primary)}
    .accordion-title:before{right:22px;margin-top:-10px;font-size:24px;color:var(--primary)}
    .accordion-content{
      border:0;
      padding:0 22px 22px;
      color:#475569;
      background:#fff;
      line-height:1.85;
    }
    .cta-card{
      display:grid;
      grid-template-columns:1fr 430px;
      gap:30px;
      align-items:start;
      background:
        linear-gradient(135deg,rgba(238,245,255,.96),rgba(255,255,255,.98)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border:1px solid var(--border-blue);
      border-radius:32px;
      padding:36px;
      box-shadow:var(--shadow);
    }
    .contact-form{
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:22px;
      box-shadow:0 12px 32px rgba(15,35,75,.07);
    }
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .field{margin-bottom:12px}
    .field label{display:block;font-size:13px;font-weight:800;color:#173B73;margin-bottom:6px}
    .field input,.field textarea{
      width:100%;
      min-height:50px;
      border:1px solid #DDE7F4;
      border-radius:15px;
      background:#FAFBFF;
      padding:12px 14px;
      color:#10233F;
      box-shadow:none;
      margin:0;
      transition:border-color var(--transition),box-shadow var(--transition),background var(--transition);
    }
    .field input:focus,.field textarea:focus{border-color:rgba(37,99,235,.42);box-shadow:0 0 0 4px rgba(37,99,235,.10);background:#fff}
    .field textarea{height:116px;resize:vertical}
    .form-note{font-size:13px;color:#64748B;margin:0 0 14px}
    .site-footer{
      background:#10233F;
      color:#DCE8F8;
      padding:58px 0 26px;
      margin-top:24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .7fr .8fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
    .footer-brand strong{color:#fff;font-size:18px}
    .footer-text{color:#C9D8EE;max-width:620px;margin:0}
    .footer-col h3{font-size:17px;color:#fff;margin-bottom:14px}
    .footer-links{list-style:none;margin:0;padding:0;display:grid;gap:9px}
    .footer-links a{color:#C9D8EE;font-weight:600}
    .footer-links a:hover{color:#fff}
    .disclaimer{
      margin-top:34px;
      padding:18px;
      border-radius:18px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
      color:#C9D8EE;
      font-size:14px;
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      border-top:1px solid rgba(255,255,255,.10);
      padding-top:20px;
      margin-top:22px;
      color:#AFC2DC;
      font-size:14px;
    }
    @media (max-width:1100px){
      .nav-wrap{grid-template-columns:auto auto;justify-content:space-between}
      .menu-toggle{display:inline-flex;grid-column:2}
      .nav-menu{
        grid-column:1/-1;
        display:none;
        width:100%;
        flex-direction:column;
        align-items:stretch;
        background:#fff;
        border:1px solid var(--border);
        border-radius:20px;
        padding:10px;
        box-shadow:var(--shadow);
      }
      .nav-menu.is-open{display:flex}
      .nav-menu a{justify-content:center}
      .nav-actions{
        grid-column:1/-1;
        display:none;
        width:100%;
        justify-content:stretch;
        flex-direction:column;
        align-items:stretch;
        padding-bottom:12px;
      }
      .nav-actions.is-open{display:flex}
      .search-pill{width:100%}
      .nav-actions .btn{width:100%}
      .hero-panel,.feature-strip,.magazine-layout,.cta-card{grid-template-columns:1fr}
      .sidebar{position:static;top:auto}
      .steps{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--container))}
      .section{padding:64px 0}
      .category-hero{padding:34px 0 26px}
      .hero-copy{padding:26px}
      .hero-meta{grid-template-columns:1fr}
      .hero-visual,.hero-visual img{min-height:270px}
      .topic-card.large{grid-template-columns:1fr}
      .article-grid{grid-template-columns:1fr}
      .inline-cta{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr}
      .cta-card{padding:24px}
      .form-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
    }
    @media (max-width:520px){
      .brand-text span{display:none}
      .brand-mark{width:40px;height:40px;border-radius:13px}
      .nav-wrap{min-height:66px;gap:12px}
      .btn{width:100%;white-space:normal;text-align:center}
      .hero-copy,.topic-body,.side-card,.contact-form{padding:20px}
      .filter-row{gap:8px}
      .filter-tag{font-size:13px;padding:7px 11px}
      .article-cover{height:160px}
      .cta-card{border-radius:24px}
    }