/* roulang page: index */
:root{
      --bg:#071329;
      --bg-deep:#050d1d;
      --panel:#0c1d39;
      --glass:rgba(18,42,76,.66);
      --glass-soft:rgba(11,30,58,.48);
      --primary:#50b9ff;
      --primary-strong:#1597f2;
      --cyan:#62e0d0;
      --violet:#9b91ff;
      --text:#f1f7ff;
      --muted:#9aafc9;
      --subtle:#7188a7;
      --line:rgba(151,198,239,.18);
      --line-bright:rgba(80,185,255,.55);
      --radius:20px;
      --radius-sm:13px;
      --shadow:0 18px 55px rgba(0,0,0,.28),0 0 32px rgba(30,142,231,.08);
      --container:1180px;
      --section:108px;
      --button:48px;
      --ease:all .28s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%,rgba(44,126,220,.18),transparent 30%),
        radial-gradient(circle at 92% 26%,rgba(96,86,218,.13),transparent 26%),
        var(--bg);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.16;
      background-image:linear-gradient(rgba(106,177,237,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(106,177,237,.08) 1px,transparent 1px);
      background-size:58px 58px;
      mask-image:linear-gradient(to bottom,black,transparent 75%);
    }
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    img,svg{max-width:100%;display:block}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{padding:22px 0 0;position:relative;z-index:5}
    .brand-row{
      display:flex;align-items:center;justify-content:space-between;gap:20px;
      min-height:56px;
    }
    .brand{display:inline-flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.02em;font-size:20px}
    .brand-mark{
      width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
      color:#031426;background:linear-gradient(145deg,var(--cyan),var(--primary));
      box-shadow:0 0 22px rgba(80,185,255,.35);
    }
    .brand-mark span{font-size:16px;font-weight:900}
    .brand small{display:block;color:var(--muted);font-size:11px;font-weight:500;letter-spacing:.14em;margin-top:-4px}
    .top-actions{display:flex;align-items:center;gap:10px}
    .mini-link,.menu-toggle{
      border:1px solid var(--line);background:rgba(9,28,54,.58);color:var(--muted);
      min-height:40px;padding:0 15px;border-radius:10px;transition:var(--ease);
    }
    .mini-link:hover,.mini-link:focus,.menu-toggle:hover,.menu-toggle:focus{color:var(--text);border-color:var(--line-bright);background:var(--glass)}
    .menu-toggle{display:none}
    .nav-panel{
      margin-top:21px;padding:11px;border:1px solid var(--line);border-radius:18px;
      background:rgba(8,24,48,.72);backdrop-filter:blur(16px);box-shadow:var(--shadow);
    }
    .icon-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}
    .nav-item{
      display:flex;align-items:center;gap:12px;padding:12px 15px;border-radius:12px;
      color:var(--muted);border:1px solid transparent;transition:var(--ease);min-height:56px;
    }
    .nav-item svg{width:22px;height:22px;color:var(--subtle);transition:var(--ease)}
    .nav-item strong{display:block;color:var(--text);font-size:14px;font-weight:650;line-height:1.3}
    .nav-item em{display:block;font-size:11px;color:var(--subtle);font-style:normal}
    .nav-item:hover,.nav-item:focus,.nav-item.active{background:rgba(45,127,205,.13);border-color:var(--line-bright);color:var(--text)}
    .nav-item:hover svg,.nav-item:focus svg,.nav-item.active svg{color:var(--primary)}
    .nav-item.active{box-shadow:inset 0 -2px 0 var(--primary),0 0 18px rgba(41,155,239,.1)}
    .hero{padding:82px 0 86px;text-align:center;position:relative}
    .hero::after{
      content:"";position:absolute;width:420px;height:220px;left:50%;top:30px;transform:translateX(-50%);
      background:rgba(41,151,242,.15);filter:blur(70px);pointer-events:none;
    }
    .eyebrow,.badge{
      display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(98,224,208,.3);
      color:var(--cyan);background:rgba(38,118,121,.13);border-radius:99px;padding:5px 12px;
      font-size:12px;position:relative;z-index:1;
    }
    .eyebrow::before{content:"";width:6px;height:6px;background:var(--cyan);border-radius:50%;box-shadow:0 0 10px var(--cyan)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,6vw,70px);line-height:1.18;letter-spacing:-.045em;margin:22px auto 20px;max-width:860px;position:relative;z-index:1}
    .hero-copy{max-width:710px;margin:0 auto 30px;color:var(--muted);font-size:16px;position:relative;z-index:1}
    .search-box{max-width:690px;margin:0 auto;position:relative;z-index:1}
    .search-label{display:block;text-align:left;color:var(--subtle);font-size:12px;margin:0 0 8px 5px}
    .search-line{display:flex;gap:10px;padding:7px;border:1px solid var(--line-bright);border-radius:15px;background:rgba(7,22,44,.82);box-shadow:0 0 30px rgba(50,164,244,.14)}
    .search-line input{flex:1;min-width:0;background:transparent;border:0;outline:0;color:var(--text);padding:0 14px;height:var(--button)}
    .search-line input::placeholder{color:#6d85a3}
    .btn{
      min-height:var(--button);border:1px solid transparent;border-radius:11px;padding:0 21px;
      display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:var(--ease);
    }
    .btn-primary{background:var(--primary-strong);color:#fff;box-shadow:0 0 20px rgba(21,151,242,.3)}
    .btn-primary:hover,.btn-primary:focus{background:#43b4ff;box-shadow:0 0 30px rgba(55,181,255,.55);transform:translateY(-2px)}
    .btn-primary:active{transform:translateY(1px);box-shadow:0 0 13px rgba(55,181,255,.28)}
    .btn-ghost{border-color:var(--line-bright);background:rgba(20,56,95,.3);color:var(--text)}
    .btn-ghost:hover,.btn-ghost:focus{background:rgba(47,126,199,.2);border-color:var(--primary);transform:translateY(-2px)}
    .btn:focus-visible,.mini-link:focus-visible,.nav-item:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(98,224,208,.65);outline-offset:3px}
    .quick-links{display:flex;justify-content:center;flex-wrap:wrap;gap:9px;margin-top:20px;position:relative;z-index:1}
    .quick-links a,.tag{padding:6px 11px;border-radius:8px;border:1px solid var(--line);color:var(--muted);font-size:12px;background:rgba(18,42,76,.45);transition:var(--ease)}
    .quick-links a:hover,.quick-links a:focus,.tag:hover{color:var(--text);border-color:var(--primary)}
    .section{padding:var(--section) 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
    .section-kicker{color:var(--primary);font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:6px}
    h2{font-size:clamp(25px,3.2vw,40px);line-height:1.25;letter-spacing:-.03em;margin-bottom:10px}
    .section-head p{max-width:560px;color:var(--muted);font-size:14px;margin-bottom:2px}
    .glass{border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(15px);box-shadow:var(--shadow);border-radius:var(--radius)}
    .updates{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .update-main{padding:30px;min-height:250px;position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(30,107,182,.35),rgba(13,34,67,.75))}
    .update-main::before{content:"7799";position:absolute;right:18px;bottom:-20px;font-size:120px;font-weight:900;color:rgba(255,255,255,.035)}
    .update-main h3{font-size:25px;max-width:490px;margin:20px 0 13px}
    .update-main p,.side-update p{color:var(--muted);font-size:14px;max-width:540px}
    .update-main .btn{margin-top:14px}
    .side-updates{display:grid;gap:12px}
    .side-update{padding:20px 22px;display:flex;gap:15px;align-items:flex-start}
    .num{color:var(--cyan);font-size:13px;font-weight:800}
    .side-update h3{font-size:16px;margin:0 0 5px}
    .side-update p{margin:0;font-size:13px;line-height:1.6}
    .answers{display:grid;grid-template-columns:.8fr 1.2fr;gap:38px;align-items:start}
    .answer-note{padding:27px;border-left:2px solid var(--primary);background:linear-gradient(90deg,rgba(39,132,210,.13),transparent);border-radius:0 15px 15px 0}
    .answer-note p{color:var(--muted);font-size:14px}
    .answer-note .tag{display:inline-block;margin-top:8px}
    .faq-list{display:grid;gap:10px}
    .faq-item{border:1px solid var(--line);border-radius:14px;background:var(--glass-soft);overflow:hidden;transition:var(--ease)}
    .faq-item[open]{border-color:var(--line-bright);box-shadow:0 0 20px rgba(36,152,239,.12)}
    .faq-question{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:58px;padding:0 18px;color:var(--text);font-weight:650;cursor:pointer;list-style:none}
    .faq-question::-webkit-details-marker{display:none}
    .faq-question::after{content:"＋";color:var(--primary);font-size:21px;transition:var(--ease)}
    .faq-item[open] .faq-question::after{content:"－";transform:rotate(180deg)}
    .faq-answer{padding:0 18px 18px;color:var(--muted);font-size:14px;line-height:1.75}
    .info-layout{display:grid;grid-template-columns:1fr .65fr;gap:18px}
    .info-list{padding:8px 25px}
    .info-row{display:flex;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
    .info-row:last-child{border-bottom:0}
    .info-row:hover{padding-left:7px}
    .info-date{color:var(--subtle);font-size:12px;min-width:76px}
    .info-row h3{font-size:15px;margin:0;line-height:1.5}
    .info-row span{margin-left:auto;color:var(--primary);font-size:18px}
    .feature-panel{padding:28px;background:linear-gradient(145deg,rgba(76,76,178,.28),rgba(14,37,67,.62))}
    .feature-panel h3{font-size:22px;margin:20px 0 11px}
    .feature-panel p{color:var(--muted);font-size:14px}
    .icon-orb{width:54px;height:54px;border-radius:17px;display:grid;place-items:center;color:var(--cyan);background:rgba(98,224,208,.1);border:1px solid rgba(98,224,208,.3)}
    .security-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .security-card{padding:28px}
    .security-card h3{font-size:21px;margin:3px 0 12px}
    .security-card p{color:var(--muted);font-size:14px}
    .security-points{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:20px}
    .security-point{padding:14px;border:1px solid var(--line);border-radius:12px;color:var(--muted);font-size:13px}
    .security-point b{display:block;color:var(--text);margin-bottom:3px}
    .device-panel{padding:30px;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(135deg,rgba(23,102,156,.35),rgba(24,37,92,.45))}
    .device-panel h3{font-size:25px;margin:0 0 10px}
    .device-panel p{color:var(--muted);font-size:14px}
    .device-line{display:flex;gap:8px;margin-top:17px}
    .device-line span{height:6px;border-radius:5px;background:var(--primary);flex:1;opacity:.8}
    .device-line span:nth-child(2){background:var(--violet);flex:1.4}.device-line span:nth-child(3){background:var(--cyan);flex:.7}
    .cta{padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:26px;position:relative;overflow:hidden;border-color:rgba(80,185,255,.42);background:linear-gradient(110deg,rgba(17,74,126,.6),rgba(35,35,92,.58))}
    .cta::after{content:"";position:absolute;width:260px;height:160px;right:8%;top:-65px;background:rgba(80,185,255,.2);filter:blur(45px)}
    .cta h2,.cta p,.cta .btn{position:relative;z-index:1}.cta h2{margin-bottom:8px}.cta p{color:var(--muted);font-size:14px;margin:0;max-width:610px}
    .site-footer{margin-top:80px;padding:42px 0 28px;border-top:1px solid var(--line);background:rgba(3,13,29,.7)}
    .footer-grid{display:grid;grid-template-columns:1.4fr .7fr .9fr;gap:36px}
    .footer-brand{color:var(--muted);font-size:13px;margin-top:15px;max-width:330px}
    .footer-title{font-size:13px;color:var(--text);font-weight:700;margin-bottom:12px}
    .footer-links{display:grid;gap:7px}
    .footer-links a{color:var(--muted);font-size:13px;transition:var(--ease)}
    .footer-links a:hover,.footer-links a:focus{color:var(--primary);padding-left:4px}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:32px;padding-top:19px;color:var(--subtle);font-size:12px}
    .notice{color:#c0d0e3}
    .toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#102c4f;border:1px solid var(--line-bright);padding:11px 18px;border-radius:10px;color:var(--text);font-size:13px;transition:var(--ease);z-index:10}
    .toast.show{opacity:1;transform:translate(-50%,0)}
    @media(max-width:992px){
      :root{--section:82px}
      .updates,.security-grid{grid-template-columns:1fr}.answers,.info-layout{grid-template-columns:1fr}
      .section-head{display:block}.section-head p{margin-top:10px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,var(--container))}
      .site-header{padding-top:14px}.top-actions .mini-link{display:none}.menu-toggle{display:block}
      .nav-panel{overflow-x:auto}.icon-nav{display:flex;min-width:max-content}.nav-item{min-width:145px}
      .hero{padding:64px 0 65px}.hero-copy{font-size:15px}
      .search-line{display:block;padding:8px}.search-line input{width:100%;margin-bottom:8px}.search-line .btn{width:100%}
      .cta{display:block;padding:30px 25px}.cta .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      h1{font-size:38px}.section{padding:65px 0}.update-main,.security-card,.device-panel,.feature-panel{padding:22px}
      .info-list{padding:5px 17px}.info-row{gap:10px}.info-date{min-width:60px}.info-row h3{font-size:14px}
      .security-points{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.brand{font-size:17px}
    }

/* roulang page: category1 */
:root{
 --bg:#071329;
 --bg-deep:#050d1d;
 --panel:#0c1d39;
 --glass:rgba(18,42,76,.66);
 --glass-soft:rgba(11,30,58,.48);
 --primary:#50b9ff;
 --primary-strong:#1597f2;
 --cyan:#62e0d0;
 --violet:#9b91ff;
 --text:#f1f7ff;
 --muted:#9aafc9;
 --subtle:#7188a7;
 --line:rgba(151,198,239,.18);
 --line-bright:rgba(80,185,255,.55);
 --radius:20px;
 --radius-sm:13px;
 --shadow:0 18px 55px rgba(0,0,0,.28),0 0 32px rgba(30,142,231,.08);
 --container:1180px;
 --section:82px;
 --button:48px;
 --ease:all .28s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;color:var(--text);background:
 radial-gradient(circle at 12% 8%,rgba(44,126,220,.18),transparent 30%),
 radial-gradient(circle at 92% 26%,rgba(96,86,218,.13),transparent 26%),var(--bg);
 font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
 line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
 content:"";position:fixed;inset:0;pointer-events:none;opacity:.16;
 background-image:linear-gradient(rgba(106,177,237,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(106,177,237,.08) 1px,transparent 1px);
 background-size:58px 58px;mask-image:linear-gradient(to bottom,black,transparent 75%);
}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img,svg{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{padding:22px 0 0;position:relative;z-index:5}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:56px}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.02em;font-size:20px}
.brand-mark{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:#031426;
 background:linear-gradient(145deg,var(--cyan),var(--primary));box-shadow:0 0 22px rgba(80,185,255,.35)
}
.brand-mark span{font-size:16px;font-weight:900}
.brand small{display:block;color:var(--muted);font-size:11px;font-weight:500;letter-spacing:.14em;margin-top:-4px}
.header-actions{display:flex;align-items:center;gap:10px}
.mini-link,.menu-toggle{
 border:1px solid var(--line);background:rgba(9,28,54,.58);color:var(--muted);
 min-height:40px;padding:0 15px;border-radius:10px;transition:var(--ease)
}
.mini-link:hover,.mini-link:focus,.menu-toggle:hover,.menu-toggle:focus{color:var(--text);border-color:var(--line-bright);background:var(--glass)}
.menu-toggle{display:none}
.nav-panel{
 margin-top:21px;padding:11px;border:1px solid var(--line);border-radius:18px;background:rgba(8,24,48,.72);
 backdrop-filter:blur(16px);box-shadow:var(--shadow)
}
.icon-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}
.nav-item{
 display:flex;align-items:center;gap:12px;padding:12px 15px;border-radius:12px;color:var(--muted);
 border:1px solid transparent;transition:var(--ease);min-height:56px
}
.nav-item svg{width:22px;height:22px;color:var(--subtle);transition:var(--ease)}
.nav-item strong{display:block;color:var(--text);font-size:14px;font-weight:650;line-height:1.3}
.nav-item em{display:block;font-size:11px;color:var(--subtle);font-style:normal}
.nav-item:hover,.nav-item:focus,.nav-item.active{background:rgba(45,127,205,.13);border-color:var(--line-bright);color:var(--text)}
.nav-item:hover svg,.nav-item:focus svg,.nav-item.active svg{color:var(--primary)}
.nav-item.active{box-shadow:inset 0 -2px 0 var(--primary),0 0 18px rgba(41,155,239,.1)}
.page-hero{padding:68px 0 52px;position:relative;border-bottom:1px solid rgba(151,198,239,.1)}
.page-hero::after{
 content:"";position:absolute;right:6%;top:35px;width:330px;height:170px;background:rgba(41,151,242,.14);
 filter:blur(65px);pointer-events:none
}
.crumbs{display:flex;align-items:center;gap:9px;color:var(--subtle);font-size:13px;margin-bottom:20px}
.crumbs a:hover,.crumbs a:focus{color:var(--primary)}
.crumbs span{color:var(--subtle)}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:48px;align-items:end}
.eyebrow,.badge,.tag{
 display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(98,224,208,.3);color:var(--cyan);
 background:rgba(38,118,121,.13);border-radius:99px;padding:5px 12px;font-size:12px
}
.eyebrow::before{content:"";width:6px;height:6px;background:var(--cyan);border-radius:50%;box-shadow:0 0 10px var(--cyan)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(36px,5vw,62px);line-height:1.15;letter-spacing:0;margin:18px 0 20px;max-width:760px}
.lead{max-width:700px;color:var(--muted);font-size:16px;margin:0}
.hero-stat{
 padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--glass);
 backdrop-filter:blur(14px);box-shadow:var(--shadow);position:relative;z-index:1
}
.hero-stat .signal{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}
.signal-dot{width:8px;height:8px;background:var(--cyan);border-radius:50%;box-shadow:0 0 13px var(--cyan)}
.hero-stat strong{display:block;font-size:28px;line-height:1.2;margin:14px 0 5px}
.hero-stat p{color:var(--subtle);font-size:12px;margin:0}
.section{padding:var(--section) 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-kicker{color:var(--primary);font-size:12px;letter-spacing:.12em}
h2{font-size:30px;line-height:1.3;margin:7px 0 0}
.section-head p{color:var(--muted);max-width:450px;margin:0;font-size:14px}
.filter-panel{
 padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--glass-soft);
 backdrop-filter:blur(15px);display:grid;grid-template-columns:minmax(220px,1.5fr) 1fr auto;gap:12px;margin-bottom:30px
}
.field{min-width:0}
.field label{display:block;color:var(--subtle);font-size:12px;margin:0 0 6px 3px}
.input,.select{
 width:100%;height:46px;color:var(--text);background:rgba(4,17,36,.7);border:1px solid var(--line);
 border-radius:10px;padding:0 13px;outline:0;transition:var(--ease)
}
.input::placeholder{color:#66809f}
.select{appearance:none}
.input:hover,.select:hover{border-color:var(--line-bright)}
.input:focus,.select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(80,185,255,.13)}
.btn{
 min-height:var(--button);border:1px solid transparent;border-radius:11px;padding:0 21px;
 display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:var(--ease)
}
.filter-action{align-self:end}
.btn-primary{background:var(--primary-strong);color:#fff;box-shadow:0 0 20px rgba(21,151,242,.3)}
.btn-primary:hover,.btn-primary:focus{background:#43b4ff;box-shadow:0 0 30px rgba(55,181,255,.55);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 13px rgba(55,181,255,.28)}
.btn-ghost{border-color:var(--line-bright);background:rgba(20,56,95,.3);color:var(--text)}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(47,126,199,.2);border-color:var(--primary);transform:translateY(-2px)}
.btn:focus-visible,.mini-link:focus-visible,.nav-item:focus-visible,.faq-question:focus-visible,.tag:focus-visible{outline:3px solid rgba(98,224,208,.65);outline-offset:3px}
.tag{border-radius:8px;padding:5px 10px;color:var(--muted);border-color:var(--line);background:rgba(18,42,76,.45);transition:var(--ease)}
.tag:hover,.tag:focus,.tag.active{color:var(--text);border-color:var(--primary);background:rgba(45,127,205,.18)}
.content-layout{display:grid;grid-template-columns:255px minmax(0,1fr);gap:28px;align-items:start}
.index-rail{
 padding:20px;border-left:2px solid var(--primary);background:rgba(11,30,58,.42);border-radius:0 var(--radius-sm) var(--radius-sm) 0
}
.index-rail h3{font-size:16px;margin-bottom:15px}
.index-list{list-style:none;padding:0;margin:0}
.index-list li{border-top:1px solid var(--line)}
.index-list a{display:flex;justify-content:space-between;gap:10px;padding:12px 0;color:var(--muted);font-size:13px;transition:var(--ease)}
.index-list a:hover,.index-list a:focus{color:var(--primary);padding-left:5px}
.index-list small{color:var(--subtle)}
.content-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
.content-card{
 position:relative;padding:23px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--glass);
 backdrop-filter:blur(12px);box-shadow:var(--shadow);transition:var(--ease);min-height:208px;overflow:hidden
}
.content-card::before{content:"";position:absolute;left:0;top:0;width:42%;height:2px;background:var(--primary);opacity:.8}
.content-card.featured{grid-row:span 2;min-height:438px;background:linear-gradient(145deg,rgba(19,61,101,.8),rgba(14,32,66,.65))}
.content-card:hover{transform:translateY(-4px);border-color:var(--line-bright);box-shadow:0 20px 50px rgba(0,0,0,.24),0 0 27px rgba(30,142,231,.16)}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:34px;color:var(--subtle);font-size:12px}
.card-number{color:var(--primary);font-weight:800;letter-spacing:.08em}
.content-card h3{font-size:20px;line-height:1.4;margin:0 0 10px}
.content-card p{font-size:13px;color:var(--muted);margin:0 0 22px}
.card-link{display:inline-flex;align-items:center;gap:7px;color:var(--primary);font-size:13px;font-weight:700}
.card-link:hover,.card-link:focus{color:var(--cyan)}
.card-link svg{width:15px;height:15px;transition:var(--ease)}
.card-link:hover svg{transform:translateX(4px)}
.hot-section{border-top:1px solid rgba(151,198,239,.1)}
.hot-row{display:flex;flex-wrap:wrap;gap:10px}
.hot-row .tag{padding:9px 13px}
.faq-wrap{max-width:850px;margin:auto}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(12,31,59,.55);margin-bottom:12px;transition:var(--ease)}
.faq-item[open]{border-color:var(--line-bright);box-shadow:0 0 22px rgba(30,142,231,.1)}
.faq-question{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:58px;padding:15px 18px;cursor:pointer;font-weight:700;list-style:none}
.faq-question::-webkit-details-marker{display:none}
.faq-question svg{width:18px;color:var(--primary);transition:var(--ease);flex:none}
.faq-item[open] .faq-question svg{transform:rotate(45deg)}
.faq-answer{padding:0 48px 17px 18px;color:var(--muted);font-size:14px}
.cta{
 padding:30px 34px;border:1px solid var(--line-bright);border-radius:var(--radius);background:rgba(13,43,78,.72);
 box-shadow:0 0 34px rgba(30,142,231,.13);display:flex;align-items:center;justify-content:space-between;gap:25px
}
.cta h2{font-size:25px;margin:0 0 7px}
.cta p{color:var(--muted);margin:0;font-size:14px}
.site-footer{padding:45px 0 22px;background:rgba(4,13,29,.8);border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px}
.footer-brand{color:var(--subtle);font-size:13px;max-width:420px;margin:18px 0 0}
.footer-title{font-weight:700;font-size:14px;margin-bottom:14px}
.footer-links{display:grid;gap:8px}
.footer-links a{color:var(--muted);font-size:13px;transition:var(--ease)}
.footer-links a:hover,.footer-links a:focus{color:var(--primary);padding-left:4px}
.copyright{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);margin-top:35px;padding-top:18px;color:var(--subtle);font-size:12px}
.notice{color:#8ba6bd}
@media (max-width:1200px){.page-hero-grid{grid-template-columns:minmax(0,1fr) 270px}}
@media (max-width:992px){:root{--section:68px}.content-layout{grid-template-columns:1fr}.index-rail{border-left:0;border-top:2px solid var(--primary);border-radius:var(--radius-sm);}.index-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0 18px}.filter-panel{grid-template-columns:1fr 1fr auto}}
@media (max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .page-hero{padding:48px 0 38px}.page-hero-grid{grid-template-columns:1fr;gap:25px}
 h1{font-size:40px}.content-grid{grid-template-columns:1fr}.content-card.featured{grid-row:auto;min-height:260px}
 .filter-panel{grid-template-columns:1fr}.filter-action{width:100%}.index-list{grid-template-columns:1fr 1fr}
 .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}
 .cta{align-items:flex-start;flex-direction:column}
 .copyright{flex-direction:column;gap:5px}
}
@media (max-width:576px){
 .site-header{padding-top:14px}.brand{font-size:17px}.brand small{font-size:9px}.brand-mark{width:34px;height:34px;border-radius:10px}
 .mini-link{display:none}.menu-toggle{display:block}
 .nav-panel{overflow-x:auto}.icon-nav{display:flex;min-width:390px}.nav-item{flex:1}
 h1{font-size:34px}.lead{font-size:14px}.section-head{display:block}.section-head p{margin-top:10px}
 .content-card{min-height:0;padding:19px}.card-meta{margin-bottom:25px}.index-list{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
 .cta{padding:24px 20px}.cta .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}