/* roulang page: index */
:root{
      --bg: #f4f8fd;
      --bg-soft: #eef4fb;
      --panel: rgba(255,255,255,.82);
      --panel-strong: #ffffff;
      --panel-soft: #f8fbff;
      --line: rgba(110, 144, 191, .16);
      --line-strong: rgba(91, 132, 189, .26);
      --text: #1f2f45;
      --muted: #60718a;
      --muted-2: #7a8ca4;
      --primary: #4f87c9;
      --primary-2: #8eb8e8;
      --primary-3: #cfe2f8;
      --accent: #2bb3a3;
      --accent-2: #f0f8ff;
      --shadow: 0 10px 30px rgba(48, 79, 122, .10);
      --shadow-strong: 0 18px 45px rgba(48, 79, 122, .16);
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --container: 1180px;
      --header-h: 84px;
      --trans: 220ms cubic-bezier(.2,.8,.2,1);
    }
    *, *::before, *::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
      line-height:1.7;
      background:
        radial-gradient(circle at top left, rgba(143, 185, 236, .24), transparent 28%),
        radial-gradient(circle at 90% 8%, rgba(104, 192, 189, .12), transparent 20%),
        linear-gradient(180deg, #f8fbff 0%, #f3f7fc 35%, #eef4fa 100%);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.26) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px);
      background-size:80px 80px;
      opacity:.14;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.65), transparent 82%);
    }
    img{max-width:100%; display:block}
    a{color:inherit; text-decoration:none}
    button, input, textarea, select{font:inherit}
    button{
      border:0;
      background:none;
      color:inherit;
      cursor:pointer;
    }
    ::selection{background:rgba(79,135,201,.18)}
    .skip-link{
      position:absolute;
      top:-60px;
      left:16px;
      z-index:200;
      padding:10px 14px;
      border-radius:999px;
      background:#fff;
      box-shadow:var(--shadow);
      transition:top var(--trans);
    }
    .skip-link:focus{top:16px}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin-inline:auto;
    }
    .site-header{
      position:fixed;
      inset:0 0 auto 0;
      z-index:120;
      padding:14px 0;
      transition: background var(--trans), box-shadow var(--trans), border-color var(--trans), transform var(--trans);
      pointer-events:none;
    }
    .site-header.is-scrolled{
      background:rgba(246,250,255,.92);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      box-shadow: 0 10px 30px rgba(42, 71, 108, .08);
      border-bottom:1px solid rgba(124, 153, 186, .14);
      pointer-events:auto;
    }
    .nav-shell{
      pointer-events:auto;
      border:1px solid rgba(255,255,255,.35);
      background:rgba(255,255,255,.18);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-radius:999px;
      box-shadow:0 12px 30px rgba(40, 72, 110, .08);
      transition: background var(--trans), border-color var(--trans), box-shadow var(--trans);
    }
    .site-header.is-scrolled .nav-shell{
      background:rgba(255,255,255,.9);
      border-color:var(--line);
      border-radius:22px;
      box-shadow:0 12px 30px rgba(40, 72, 110, .10);
    }
    .nav-row{
      min-height:56px;
      display:flex;
      align-items:center;
      gap:16px;
      padding:10px 16px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:800;
      letter-spacing:.02em;
      color:#17314f;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      background:
        linear-gradient(135deg, #cfe2f8 0%, #8eb8e8 52%, #5d8dc9 100%);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.55), 0 10px 18px rgba(79,135,201,.18);
      position:relative;
      flex:none;
    }
    .brand-mark::before,
    .brand-mark::after{
      content:"";
      position:absolute;
      border-radius:999px;
      background:rgba(255,255,255,.92);
    }
    .brand-mark::before{width:14px;height:14px;left:9px;top:12px}
    .brand-mark::after{width:6px;height:6px;right:10px;top:12px}
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      color:#40566e;
      transition: background var(--trans), color var(--trans), transform var(--trans);
      white-space:nowrap;
    }
    .nav-link::after{
      content:"";
      position:absolute;
      inset:auto 14px 7px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg, var(--primary), transparent);
      opacity:0;
      transform:scaleX(.3);
      transform-origin:left;
      transition: opacity var(--trans), transform var(--trans);
    }
    .nav-link:hover,
    .nav-link:focus-visible,
    .nav-link.active{
      color:var(--primary);
      background:rgba(79,135,201,.08);
      transform:translateY(-1px);
    }
    .nav-link:hover::after,
    .nav-link:focus-visible::after,
    .nav-link.active::after{
      opacity:1;
      transform:scaleX(1);
    }
    .header-tools{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:12px;
    }
    .search-wrap{
      position:relative;
      width:min(280px, 26vw);
    }
    .search-wrap input{
      width:100%;
      height:42px;
      border:1px solid rgba(122, 146, 180, .22);
      background:rgba(255,255,255,.9);
      color:var(--text);
      border-radius:999px;
      padding:0 42px 0 16px;
      outline:none;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.66);
      transition:border-color var(--trans), box-shadow var(--trans), transform var(--trans), background var(--trans);
    }
    .search-wrap input::placeholder{color:#8aa0b7}
    .search-wrap input:focus{
      border-color:rgba(79,135,201,.56);
      box-shadow:0 0 0 4px rgba(79,135,201,.12);
      background:#fff;
    }
    .search-icon{
      position:absolute;
      right:10px;
      top:50%;
      transform:translateY(-50%);
      width:24px;
      height:24px;
      display:grid;
      place-items:center;
      color:#7f95ab;
      pointer-events:none;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      height:42px;
      padding:0 18px;
      border-radius:999px;
      font-weight:700;
      letter-spacing:.01em;
      transition: transform var(--trans), box-shadow var(--trans), background var(--trans), border-color var(--trans), color var(--trans), opacity var(--trans);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-1px)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,
    .nav-link:focus-visible,
    .icon-btn:focus-visible,
    .chip:focus-visible,
    .mobile-toggle:focus-visible,
    .link-card:focus-visible,
    .faq summary:focus-visible{
      outline:none;
      box-shadow:0 0 0 4px rgba(79,135,201,.16);
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg, var(--primary) 0%, #5f94d1 62%, #7fb0e0 100%);
      box-shadow:0 16px 28px rgba(79,135,201,.22);
    }
    .btn-primary:hover{box-shadow:0 20px 32px rgba(79,135,201,.28)}
    .btn-ghost{
      color:var(--primary);
      background:rgba(255,255,255,.72);
      border-color:rgba(79,135,201,.16);
    }
    .btn-ghost:hover{
      background:#fff;
      border-color:rgba(79,135,201,.28);
      box-shadow:0 14px 24px rgba(78, 120, 177, .12);
    }
    .btn-soft{
      color:#35516f;
      background:rgba(207,226,248,.44);
      border-color:rgba(125, 161, 201, .18);
    }
    .btn-soft:hover{background:rgba(207,226,248,.66)}
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid rgba(120, 146, 178, .22);
      background:rgba(255,255,255,.78);
      color:#34506b;
      align-items:center;
      justify-content:center;
      margin-left:auto;
    }
    .mobile-panel{
      display:none;
      position:absolute;
      top:calc(100% + 12px);
      left:0;
      right:0;
      padding:14px;
      border-radius:24px;
      background:rgba(255,255,255,.96);
      border:1px solid var(--line);
      box-shadow:var(--shadow-strong);
    }
    .mobile-panel.open{display:block}
    .mobile-panel .nav-links{
      margin:0;
      flex-direction:column;
      align-items:stretch;
    }
    .mobile-panel .nav-link{
      justify-content:space-between;
      background:#f7fbff;
    }
    .mobile-panel .search-wrap{
      width:100%;
      margin-top:12px;
    }
    .mobile-panel .header-tools{
      margin:12px 0 0;
      flex-direction:column;
      align-items:stretch;
    }

    main{padding:0 0 36px}
    .hero{
      position:relative;
      padding:116px 0 38px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:-120px -80px auto auto;
      width:440px;
      height:440px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(143,185,236,.28) 0%, rgba(143,185,236,.08) 45%, transparent 72%);
      filter:blur(8px);
      pointer-events:none;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto auto 14px 8%;
      width:180px;
      height:180px;
      border-radius:46px;
      background:linear-gradient(135deg, rgba(43,179,163,.10), rgba(255,255,255,0));
      transform:rotate(18deg);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:26px;
      align-items:stretch;
      position:relative;
      z-index:1;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.72);
      color:var(--primary);
      border:1px solid rgba(121, 157, 201, .18);
      font-size:.95rem;
      font-weight:700;
      box-shadow:0 8px 18px rgba(64, 99, 145, .06);
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(43,179,163,.12);
    }
    .hero h1{
      margin:18px 0 16px;
      font-size:clamp(2.2rem, 4.8vw, 4.45rem);
      line-height:1.06;
      letter-spacing:-.03em;
      color:#17314f;
    }
    .hero .lead{
      margin:0;
      max-width:42rem;
      color:var(--muted);
      font-size:1.06rem;
      line-height:1.86;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      height:36px;
      padding:0 13px;
      border-radius:999px;
      border:1px solid rgba(118, 149, 187, .18);
      background:rgba(255,255,255,.8);
      color:#4b5e74;
      font-size:.95rem;
      transition: transform var(--trans), background var(--trans), border-color var(--trans), color var(--trans), box-shadow var(--trans);
    }
    .chip:hover{
      transform:translateY(-1px);
      border-color:rgba(79,135,201,.28);
      background:#fff;
      color:var(--primary);
      box-shadow:0 10px 20px rgba(63, 94, 133, .08);
    }
    .hero-panel{
      border-radius:var(--radius-xl);
      background:
        linear-gradient(180deg, rgba(255,255,255,.88), rgba(248,251,255,.92));
      border:1px solid rgba(120, 154, 188, .18);
      box-shadow:var(--shadow-strong);
      padding:20px;
      position:relative;
      overflow:hidden;
    }
    .hero-panel::before,
    .hero-panel::after{
      content:"";
      position:absolute;
      border-radius:50%;
      pointer-events:none;
    }
    .hero-panel::before{
      width:210px;
      height:210px;
      top:-82px;
      right:-72px;
      background:radial-gradient(circle, rgba(79,135,201,.16), transparent 64%);
    }
    .hero-panel::after{
      width:140px;
      height:140px;
      left:-56px;
      bottom:-52px;
      background:radial-gradient(circle, rgba(43,179,163,.10), transparent 66%);
    }
    .stage{
      position:relative;
      min-height:430px;
      border-radius:24px;
      background:
        linear-gradient(135deg, rgba(206, 224, 247, .72), rgba(255,255,255,.78)),
        linear-gradient(180deg, rgba(78,135,201,.06), rgba(255,255,255,.95));
      border:1px solid rgba(97, 134, 173, .18);
      overflow:hidden;
      box-shadow: inset 0 1px 0 rgba(255,255,255,.8);
    }
    .stage::before{
      content:"";
      position:absolute;
      inset:18% 12% 12% 12%;
      border-radius:28px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.80), rgba(255,255,255,.38));
      border:1px solid rgba(255,255,255,.45);
      box-shadow:0 18px 40px rgba(64, 99, 145, .12);
      transform:rotate(-4deg);
    }
    .stage::after{
      content:"";
      position:absolute;
      inset:14px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.42);
      pointer-events:none;
    }
    .stage-head{
      position:absolute;
      top:18px;
      left:18px;
      right:18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      z-index:1;
    }
    .stage-title{
      font-weight:800;
      color:#224263;
      letter-spacing:.01em;
    }
    .stage-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:#37618f;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(127, 163, 203, .18);
      font-size:.92rem;
      font-weight:700;
    }
    .matrix{
      position:absolute;
      inset:68px 18px 18px;
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:14px;
      z-index:1;
    }
    .mini-card{
      padding:15px;
      border-radius:20px;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(125, 156, 191, .16);
      box-shadow:0 14px 24px rgba(64, 99, 145, .08);
      display:flex;
      flex-direction:column;
      gap:10px;
      transition:transform var(--trans), box-shadow var(--trans), border-color var(--trans);
    }
    .mini-card:hover{
      transform:translateY(-2px);
      box-shadow:0 20px 32px rgba(64, 99, 145, .12);
      border-color:rgba(79,135,201,.28);
    }
    .mini-card .icon{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(143,185,236,.28), rgba(207,226,248,.55));
      color:#4479b7;
    }
    .mini-card h3{
      margin:0;
      font-size:1.02rem;
      line-height:1.3;
      color:#1f3b58;
    }
    .mini-card p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
      line-height:1.6;
    }
    .mini-card .mini-foot{
      margin-top:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:#4d657f;
      font-size:.88rem;
      font-weight:600;
    }
    .mini-card .dot{
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(43,179,163,.12);
      flex:none;
    }
    .hero-strip{
      margin-top:18px;
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
    }
    .strip-item{
      padding:14px 16px;
      border-radius:18px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(123, 152, 183, .16);
      display:flex;
      align-items:center;
      gap:12px;
      box-shadow:0 12px 22px rgba(63, 94, 133, .06);
    }
    .strip-item strong{
      display:block;
      color:#19324d;
      font-size:1rem;
      line-height:1.35;
    }
    .strip-item span{
      display:block;
      color:var(--muted);
      font-size:.92rem;
      margin-top:2px;
    }
    .strip-item .bar{
      width:8px;
      height:38px;
      border-radius:999px;
      background:linear-gradient(180deg, var(--primary), var(--primary-2));
      flex:none;
    }

    section.block{
      padding:28px 0;
    }
    section.block.soft{
      padding:38px 0;
      background:linear-gradient(180deg, rgba(255,255,255,.45), rgba(243,247,252,.78));
      border-top:1px solid rgba(131, 158, 188, .12);
      border-bottom:1px solid rgba(131, 158, 188, .12);
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(1.5rem, 3vw, 2.25rem);
      line-height:1.14;
      letter-spacing:-.02em;
      color:#18324f;
    }
    .section-head p{
      margin:8px 0 0;
      color:var(--muted);
      max-width:56rem;
      line-height:1.8;
      font-size:.98rem;
    }
    .section-head .head-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .section-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 12px;
      border-radius:999px;
      background:rgba(79,135,201,.08);
      color:var(--primary);
      font-size:.9rem;
      font-weight:700;
    }
    .rail{
      display:grid;
      grid-auto-flow:column;
      grid-auto-columns:minmax(260px, 1fr);
      gap:14px;
      overflow:auto;
      padding-bottom:12px;
      scroll-snap-type:x mandatory;
      scrollbar-width:none;
    }
    .rail::-webkit-scrollbar{display:none}
    .rail-card{
      scroll-snap-align:start;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(124, 153, 186, .16);
      border-radius:24px;
      overflow:hidden;
      box-shadow:var(--shadow);
      transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
      min-height:100%;
    }
    .rail-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-strong);
      border-color:rgba(79,135,201,.28);
    }
    .rail-card .visual{
      height:136px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 20% 20%, rgba(255,255,255,.52), transparent 22%),
        linear-gradient(135deg, #dbe9f8 0%, #eef5fd 52%, #d8e9f7 100%);
    }
    .rail-card .visual::after{
      content:"";
      position:absolute;
      inset:18px 18px 22px;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.44);
      background:linear-gradient(135deg, rgba(255,255,255,.28), rgba(255,255,255,.04));
    }
    .rail-card .body{
      padding:16px 16px 18px;
    }
    .rail-card h3{
      margin:0;
      font-size:1.05rem;
      line-height:1.35;
      color:#19324d;
    }
    .rail-card p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:.94rem;
      line-height:1.7;
      display:-webkit-box;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
      overflow:hidden;
      min-height:3.3em;
    }
    .rail-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:14px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(79,135,201,.10);
      color:var(--primary);
      font-size:.82rem;
      font-weight:700;
    }
    .tiny{
      color:#7990a8;
      font-size:.84rem;
      white-space:nowrap;
    }
    .grid-layout{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:16px;
      align-items:stretch;
    }
    .feature-card{
      position:relative;
      overflow:hidden;
      min-height:100%;
      padding:20px;
      border-radius:28px;
      background:
        linear-gradient(145deg, rgba(255,255,255,.95), rgba(246,250,255,.86));
      border:1px solid rgba(122, 151, 184, .16);
      box-shadow:var(--shadow);
      transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
    }
    .feature-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-strong);
      border-color:rgba(79,135,201,.28);
    }
    .feature-card .top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
    }
    .feature-card .title{
      font-size:1.25rem;
      line-height:1.25;
      font-weight:800;
      color:#1c3552;
      margin:0;
    }
    .feature-card .desc{
      margin:0;
      color:var(--muted);
      line-height:1.8;
    }
    .feature-art{
      height:250px;
      border-radius:22px;
      margin:18px 0;
      background:
        linear-gradient(135deg, rgba(79,135,201,.10), rgba(255,255,255,0)),
        linear-gradient(180deg, #edf5fd, #fdfefe);
      border:1px solid rgba(128, 157, 191, .18);
      position:relative;
      overflow:hidden;
    }
    .feature-art::before{
      content:"";
      position:absolute;
      inset:22px 18px 22px auto;
      width:45%;
      border-radius:24px;
      background:linear-gradient(180deg, rgba(255,255,255,.8), rgba(238,245,253,.92));
      border:1px solid rgba(255,255,255,.55);
      box-shadow:0 14px 30px rgba(64, 99, 145, .10);
    }
    .feature-art::after{
      content:"";
      position:absolute;
      left:18px;
      top:22px;
      width:38%;
      height:72%;
      border-radius:24px;
      background:linear-gradient(135deg, rgba(143,185,236,.42), rgba(255,255,255,.24));
      border:1px solid rgba(255,255,255,.54);
      box-shadow:0 16px 28px rgba(64, 99, 145, .08);
    }
    .feature-list{
      display:grid;
      gap:12px;
    }
    .feature-list .item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px 16px;
      border-radius:20px;
      background:#fff;
      border:1px solid rgba(124, 153, 186, .15);
      box-shadow:0 8px 18px rgba(64, 99, 145, .06);
    }
    .feature-list .item .num{
      width:32px;
      height:32px;
      border-radius:12px;
      display:grid;
      place-items:center;
      font-weight:800;
      color:var(--primary);
      background:rgba(143,185,236,.18);
      flex:none;
    }
    .feature-list .item h4{
      margin:0;
      font-size:1rem;
      line-height:1.35;
      color:#1d3653;
    }
    .feature-list .item p{
      margin:4px 0 0;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.65;
    }
    .topic-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:14px;
    }
    .topic-card{
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(126, 155, 186, .16);
      box-shadow:var(--shadow);
      transition:transform var(--trans), box-shadow var(--trans), border-color var(--trans);
      min-height:100%;
    }
    .topic-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-strong);
      border-color:rgba(79,135,201,.28);
    }
    .topic-card .icon{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(143,185,236,.18), rgba(207,226,248,.42));
      color:var(--primary);
      margin-bottom:12px;
    }
    .topic-card h3{
      margin:0;
      color:#18324f;
      font-size:1.05rem;
      line-height:1.35;
    }
    .topic-card ul{
      list-style:none;
      padding:0;
      margin:12px 0 0;
      display:grid;
      gap:8px;
    }
    .topic-card li{
      color:var(--muted);
      font-size:.94rem;
      line-height:1.6;
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .topic-card li::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      flex:none;
      margin-top:.55rem;
      box-shadow:0 0 0 4px rgba(43,179,163,.10);
    }
    .update-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:16px;
    }
    .news-list,
    .note-panel,
    .proof-panel,
    .cta-box,
    .faq-box{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(126, 155, 186, .16);
      border-radius:28px;
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .news-list{
      padding:10px;
    }
    .news-item{
      display:flex;
      align-items:flex-start;
      gap:14px;
      padding:16px 14px;
      border-radius:20px;
      transition:background var(--trans), transform var(--trans);
    }
    .news-item:hover{
      background:rgba(79,135,201,.05);
      transform:translateX(2px);
    }
    .news-item + .news-item{border-top:1px solid rgba(126, 155, 186, .12)}
    .news-item .date{
      flex:none;
      width:72px;
      font-size:.87rem;
      color:#7a8ca4;
      text-align:center;
      padding-top:2px;
    }
    .news-item .info{
      min-width:0;
      flex:1;
    }
    .news-item .info h3{
      margin:0;
      font-size:1.02rem;
      line-height:1.38;
      color:#18324f;
      display:-webkit-box;
      -webkit-line-clamp:1;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .news-item .info p{
      margin:6px 0 0;
      color:var(--muted);
      font-size:.93rem;
      line-height:1.7;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .news-item .link{
      display:inline-flex;
      margin-top:10px;
      color:var(--primary);
      font-weight:700;
      font-size:.92rem;
    }
    .note-panel{
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .note-panel .box{
      padding:16px;
      border-radius:22px;
      background:linear-gradient(180deg, rgba(246,250,255,.98), rgba(241,246,252,.92));
      border:1px solid rgba(126, 155, 186, .14);
    }
    .note-panel h3{
      margin:0;
      font-size:1.12rem;
      line-height:1.35;
      color:#18324f;
    }
    .note-panel p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:.95rem;
      line-height:1.75;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(143,185,236,.12);
      color:#406991;
      font-size:.9rem;
      font-weight:700;
      border:1px solid rgba(79,135,201,.10);
    }
    .proof-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:14px;
      margin-top:12px;
    }
    .metric{
      padding:18px;
      border-radius:24px;
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(246,250,255,.82));
      border:1px solid rgba(126, 155, 186, .16);
      box-shadow:0 12px 24px rgba(64, 99, 145, .06);
    }
    .metric .num{
      font-size:1.7rem;
      line-height:1;
      font-weight:900;
      letter-spacing:-.03em;
      color:#18324f;
    }
    .metric .cap{
      margin-top:8px;
      color:var(--muted);
      font-size:.93rem;
      line-height:1.6;
    }
    .stars{
      color:#f2b01e;
      letter-spacing:2px;
      font-size:1rem;
      white-space:nowrap;
    }
    .speech-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:14px;
      margin-top:16px;
    }
    .speech{
      padding:18px;
      border-radius:24px;
      background:#fff;
padding:18px;
      border-radius:24px;
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(247,251,255,.88));
      border:1px solid rgba(126, 155, 186, .16);
      box-shadow:0 12px 24px rgba(64, 99, 145, .06);
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .speech .quote{
      font-size:.96rem;
      line-height:1.8;
      color:#30485f;
    }
    .speech .who{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:auto;
      color:var(--muted);
      font-size:.9rem;
      font-weight:600;
    }
    .speech .avatar{
      width:34px;
      height:34px;
      border-radius:50%;
      background:linear-gradient(135deg, rgba(79,135,201,.2), rgba(43,179,163,.18));
      border:1px solid rgba(126, 155, 186, .18);
      flex:none;
    }
    .faq-box{
      padding:8px 0;
    }
    .faq{
      padding:0 18px;
    }
    .faq + .faq{border-top:1px solid rgba(126, 155, 186, .14)}
    .faq summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:18px 0;
      font-size:1.02rem;
      font-weight:800;
      color:#18324f;
    }
    .faq summary::-webkit-details-marker{display:none}
    .faq summary .mark{
      width:34px;
      height:34px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:rgba(143,185,236,.16);
      color:var(--primary);
      flex:none;
      transition:transform var(--trans), background var(--trans);
    }
    .faq[open] summary .mark{
      transform:rotate(45deg);
      background:rgba(79,135,201,.12);
    }
    .faq .answer{
      padding:0 0 18px;
      color:var(--muted);
      line-height:1.85;
      max-width:62rem;
      font-size:.97rem;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      padding:22px;
      background:
        linear-gradient(135deg, rgba(79,135,201,.08), rgba(255,255,255,.94)),
        linear-gradient(180deg, #ffffff, #f7fbff);
    }
    .cta-box::before{
      content:"";
      position:absolute;
      inset:auto -60px -78px auto;
      width:240px;
      height:240px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(79,135,201,.18), transparent 65%);
      pointer-events:none;
    }
    .cta-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
    }
    .cta-copy h2{
      margin:0;
      font-size:clamp(1.45rem, 2.8vw, 2.1rem);
      line-height:1.18;
      color:#18324f;
    }
    .cta-copy p{
      margin:10px 0 0;
      color:var(--muted);
      line-height:1.8;
      max-width:52rem;
    }
    .cta-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
    }
    .footer{
      margin-top:26px;
      padding:30px 0 38px;
      border-top:1px solid rgba(126, 155, 186, .16);
      background:linear-gradient(180deg, rgba(255,255,255,.52), rgba(242,247,252,.84));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .7fr .7fr .9fr;
      gap:18px;
    }
    .footer h3{
      margin:0 0 12px;
      font-size:1rem;
      color:#18324f;
    }
    .footer p,
    .footer a{
      color:var(--muted);
      font-size:.94rem;
      line-height:1.8;
    }
    .footer a{
      display:inline-flex;
      padding:4px 0;
      transition:color var(--trans), transform var(--trans);
    }
    .footer a:hover{
      color:var(--primary);
      transform:translateX(2px);
    }
    .footer small{
      display:block;
      margin-top:16px;
      color:#8192a6;
      line-height:1.7;
    }
    .backtop{
      position:fixed;
      right:18px;
      bottom:18px;
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.92);
      border:1px solid rgba(126, 155, 186, .18);
      box-shadow:var(--shadow);
      color:#35516f;
      opacity:0;
      transform:translateY(8px);
      pointer-events:none;
      transition:opacity var(--trans), transform var(--trans), background var(--trans), border-color var(--trans);
      z-index:110;
    }
    .backtop.show{
      opacity:1;
      transform:translateY(0);
      pointer-events:auto;
    }
    .backtop:hover{
      background:#fff;
      border-color:rgba(79,135,201,.28);
    }
    .hidden-mobile{display:block}
    .muted-note{
      color:var(--muted-2);
      font-size:.92rem;
    }
    .breadcrumbs{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      color:#6b7f95;
      font-size:.92rem;
      margin-bottom:12px;
    }
    .breadcrumbs a{
      color:var(--primary);
    }
    .breadcrumbs span{
      color:#9badbe;
    }
    .filter-row{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin-top:14px;
    }
    .filter-row .chip{
      background:rgba(255,255,255,.82);
    }
    .section-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .ghost-card{
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.86);
      border:1px solid rgba(126, 155, 186, .16);
      box-shadow:var(--shadow);
    }

    @media (max-width: 1160px){
      .hero-grid,
      .grid-layout,
      .update-layout,
      .footer-grid{grid-template-columns:1fr}
      .topic-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .proof-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .search-wrap{width:min(220px, 22vw)}
    }
    @media (max-width: 920px){
      .nav-links,
      .header-tools .search-wrap,
      .header-tools .btn-ghost{display:none}
      .mobile-toggle{display:inline-flex}
      .site-header{padding:10px 0}
      .nav-shell{border-radius:22px}
      .hero{padding-top:104px}
      .hero h1{font-size:clamp(2rem, 8vw, 3.4rem)}
      .hero-panel{padding:16px}
      .stage{min-height:360px}
      .matrix{grid-template-columns:1fr 1fr}
      .hero-strip{grid-template-columns:1fr}
      .section-head{align-items:flex-start; flex-direction:column}
      .section-head .head-actions{justify-content:flex-start}
      .speech-grid{grid-template-columns:1fr}
    }
    @media (max-width: 680px){
      .container{width:min(var(--container), calc(100% - 22px))}
      .nav-row{padding:10px 12px}
      .brand{font-size:.98rem}
      .brand-mark{width:34px; height:34px; border-radius:12px}
      .hero{padding:96px 0 28px}
      .hero-actions,
      .cta-actions{width:100%}
      .hero-actions .btn,
      .cta-actions .btn{flex:1 1 100%}
      .matrix{grid-template-columns:1fr}
      .topic-grid,
      .proof-grid{grid-template-columns:1fr}
      .feature-card,
      .cta-box,
      .news-list,
      .note-panel,
      .faq-box{border-radius:22px}
      .feature-art{height:210px}
      .stage{min-height:480px}
      .mini-card h3{font-size:.98rem}
      .mini-card p,
      .rail-card p,
      .feature-list .item p,
      .news-item .info p,
      .cta-copy p,
      .faq .answer{font-size:.94rem}
      .news-item{
        flex-direction:column;
      }
      .news-item .date{
        text-align:left;
        width:auto;
      }
      .footer-grid{grid-template-columns:1fr}
      .mobile-panel{left:0; right:0}
    }
    @media (max-width: 520px){
      .hero h1{font-size:2rem}
      .hero .lead{font-size:1rem}
      .btn{height:40px; padding:0 14px; font-size:.95rem}
      .chip{height:auto; min-height:34px; padding:7px 12px}
      .section-head h2{font-size:1.4rem}
      .rail{grid-auto-columns:minmax(240px, 84vw)}
      .stage{min-height:440px}
      .hero-panel{padding:12px}
      .feature-card{padding:16px}
      .cta-box{padding:18px}
      .faq summary{font-size:.98rem}
      .brand span{max-width:10ch; overflow:hidden; text-overflow:ellipsis}
    }

/* roulang page: category1 */
:root{
  --bg:#eef4fb;
  --bg-soft:#f7fbff;
  --surface:rgba(255,255,255,.82);
  --surface-strong:#ffffff;
  --surface-2:#f3f7fd;
  --text:#10233f;
  --muted:#5f728c;
  --line:rgba(80,118,164,.16);
  --line-strong:rgba(62,117,186,.28);
  --primary:#2d6cdf;
  --primary-2:#7fb1ff;
  --primary-3:#dceaff;
  --accent:#58c0d4;
  --accent-2:#d7f2f7;
  --shadow:0 16px 40px rgba(25,54,96,.08);
  --shadow-strong:0 20px 50px rgba(25,54,96,.14);
  --radius-xl:28px;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --container:1180px;
  --header-h:82px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top right, rgba(127,177,255,.22), transparent 28%),
    radial-gradient(circle at bottom left, rgba(88,192,212,.16), transparent 24%),
    linear-gradient(180deg, #f7fbff 0%, #eef4fb 100%);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(115deg, rgba(255,255,255,.16), transparent 22%),
    linear-gradient(290deg, rgba(255,255,255,.10), transparent 20%);
  opacity:.8;
  z-index:-1;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{
  font:inherit;
  color:inherit;
}
button{
  border:0;
  background:none;
  cursor:pointer;
}
input,select,textarea{
  outline:none;
}
::selection{
  background:rgba(45,108,223,.18);
  color:var(--text);
}

.skip-link{
  position:absolute;
  left:12px;
  top:-48px;
  z-index:100;
  padding:10px 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.skip-link:focus{top:12px}

.container{
  width:min(var(--container), calc(100% - 32px));
  margin:0 auto;
}

.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:60;
  transition:background .25s ease, box-shadow .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
.site-header .nav-shell{
  min-height:var(--header-h);
  display:flex;
  align-items:center;
  gap:16px;
  padding:14px 0;
}
.site-header:not(.scrolled){
  background:linear-gradient(180deg, rgba(247,251,255,.56), rgba(247,251,255,.18));
  backdrop-filter:blur(18px);
}
.site-header.scrolled{
  background:rgba(248,251,255,.92);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(86,119,163,.12);
  box-shadow:0 10px 30px rgba(32,58,99,.06);
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  font-weight:800;
  letter-spacing:.02em;
}
.brand-mark{
  width:42px;
  height:42px;
  border-radius:14px;
  display:grid;
  place-items:center;
  color:#fff;
  font-size:.86rem;
  background:linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow:0 10px 22px rgba(45,108,223,.18);
}
.brand-text{
  font-size:1.02rem;
  color:var(--text);
  white-space:nowrap;
}

.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:16px;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  padding:10px 16px;
  border-radius:999px;
  color:var(--muted);
  border:1px solid transparent;
  transition:transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
}
.nav-link:hover,
.nav-link:focus-visible{
  transform:translateY(-1px);
  background:rgba(255,255,255,.8);
  border-color:rgba(45,108,223,.14);
  color:var(--primary);
}
.nav-link.active{
  background:linear-gradient(135deg, rgba(45,108,223,.12), rgba(127,177,255,.18));
  color:var(--primary);
  border-color:rgba(45,108,223,.18);
  box-shadow:0 8px 18px rgba(45,108,223,.08);
}

.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
}
.header-search{
  display:flex;
  align-items:center;
  gap:8px;
  padding:7px 8px 7px 14px;
  min-width:280px;
  border-radius:999px;
  border:1px solid rgba(85,118,166,.16);
  background:rgba(255,255,255,.82);
  box-shadow:0 10px 20px rgba(31,56,96,.04);
}
.header-search:focus-within{
  border-color:rgba(45,108,223,.34);
  box-shadow:0 12px 24px rgba(45,108,223,.10);
}
.header-search input{
  flex:1;
  border:0;
  background:transparent;
  color:var(--text);
  min-width:0;
}
.header-search input::placeholder{color:#7c8da5}
.header-search button{
  flex:0 0 auto;
  padding:10px 14px;
  border-radius:999px;
  background:linear-gradient(135deg, var(--primary), var(--primary-2));
  color:#fff;
  box-shadow:0 10px 20px rgba(45,108,223,.18);
  transition:transform .2s ease, box-shadow .2s ease, opacity .2s ease;
}
.header-search button:hover,
.header-search button:focus-visible{
  transform:translateY(-1px);
  box-shadow:0 14px 26px rgba(45,108,223,.22);
}
.cta-button,
.btn-primary,
.btn-secondary,
.load-more{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 18px;
  border-radius:999px;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.cta-button,
.btn-primary,
.load-more{
  background:linear-gradient(135deg, var(--primary), #4f86ea);
  color:#fff;
  box-shadow:0 12px 24px rgba(45,108,223,.18);
}
.cta-button:hover,
.btn-primary:hover,
.load-more:hover,
.cta-button:focus-visible,
.btn-primary:focus-visible,
.load-more:focus-visible{
  transform:translateY(-2px);
  box-shadow:0 16px 30px rgba(45,108,223,.22);
}
.btn-secondary{
  background:rgba(255,255,255,.88);
  border:1px solid rgba(45,108,223,.16);
  color:var(--primary);
}
.btn-secondary:hover,
.btn-secondary:focus-visible{
  transform:translateY(-2px);
  border-color:rgba(45,108,223,.28);
  background:#fff;
  box-shadow:0 12px 24px rgba(45,108,223,.08);
}
.menu-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  border-radius:14px;
  border:1px solid rgba(45,108,223,.15);
  background:rgba(255,255,255,.8);
  box-shadow:0 10px 22px rgba(25,54,96,.05);
}
.menu-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--primary);
  position:relative;
  border-radius:999px;
}
.menu-toggle span::before,
.menu-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:var(--primary);
  border-radius:999px;
  transition:transform .2s ease, top .2s ease, opacity .2s ease;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

main{
  position:relative;
  z-index:1;
  padding-top:var(--header-h);
}
.page-hero{
  padding:42px 0 20px;
}
.hero-shell{
  display:grid;
  grid-template-columns:minmax(0,1.12fr) minmax(320px,.88fr);
  gap:22px;
  align-items:stretch;
}
.hero-copy,
.hero-panel,
.surface-wrap,
.section-box,
.cta-box{
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
}
.hero-copy,
.hero-panel{
  border-radius:var(--radius-xl);
  padding:28px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 12px;
  border-radius:999px;
  background:rgba(45,108,223,.10);
  color:var(--primary);
  font-size:.88rem;
  font-weight:700;
  letter-spacing:.02em;
}
.hero-copy h1{
  margin:16px 0 14px;
  font-size:clamp(2.2rem, 5vw, 4.2rem);
  line-height:1.08;
  letter-spacing:-.03em;
}
.hero-lead{
  margin:0;
  max-width:44rem;
  font-size:1.05rem;
  line-height:1.95;
  color:var(--muted);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:22px;
}
.hero-trust{
  margin-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.trust-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.82);
  border:1px solid rgba(92,127,176,.14);
  color:var(--muted);
  box-shadow:0 10px 20px rgba(25,54,96,.04);
}
.trust-pill i,
.dot{
  width:8px;
  height:8px;
  border-radius:50%;
  display:inline-block;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(88,192,212,.14);
}
.hero-panel{
  display:grid;
  gap:16px;
}
.panel-card{
  border-radius:24px;
  padding:20px;
  border:1px solid rgba(45,108,223,.14);
  background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(243,248,255,.96));
}
.panel-card h2{
  margin:10px 0 8px;
  font-size:1.24rem;
}
.panel-card p{
  margin:0 0 16px;
  color:var(--muted);
}
.panel-timeline{
  display:grid;
  gap:12px;
}
.timeline-item{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:12px 14px;
  border-radius:18px;
  border:1px solid rgba(82,118,166,.12);
  background:#fff;
}
.timeline-step{
  width:34px;
  height:34px;
  flex:0 0 auto;
  border-radius:12px;
  display:grid;
  place-items:center;
  font-size:.86rem;
  font-weight:800;
  color:var(--primary);
  background:linear-gradient(135deg, rgba(45,108,223,.10), rgba(127,177,255,.18));
}
.timeline-item strong{
  display:block;
  margin-bottom:4px;
}
.timeline-item span{
  display:block;
  color:var(--muted);
  font-size:.94rem;
}
.panel-mini-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:12px;
}
.mini-card{
  min-height:98px;
  padding:14px 14px 13px;
  border-radius:18px;
  border:1px solid rgba(82,118,166,.12);
  background:rgba(255,255,255,.92);
  box-shadow:0 8px 20px rgba(25,54,96,.04);
}
.mini-card .mini-label{
  display:inline-flex;
  margin-bottom:8px;
  padding:5px 10px;
  border-radius:999px;
  font-size:.82rem;
  color:var(--primary);
  background:rgba(45,108,223,.10);
}
.mini-card p{
  margin:0;
  color:var(--muted);
  line-height:1.7;
}

.breadcrumb{
  padding:8px 0 8px;
}
.breadcrumb ol{
  margin:0;
  padding:0;
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  color:var(--muted);
  font-size:.94rem;
}
.breadcrumb li{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.breadcrumb li + li::before{
  content:"/";
  color:#9fb2c9;
}
.breadcrumb a{
  color:var(--muted);
}
.breadcrumb a:hover,
.breadcrumb a:focus-visible{
  color:var(--primary);
}

.quick-strip{
  padding:12px 0 6px;
}
.quick-rail{
  display:flex;
  gap:14px;
  overflow-x:auto;
  padding-bottom:8px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
  scrollbar-color:rgba(45,108,223,.3) transparent;
}
.quick-rail::-webkit-scrollbar{height:8px}
.quick-rail::-webkit-scrollbar-thumb{
  background:rgba(45,108,223,.28);
  border-radius:999px;
}
.rail-card{
  flex:0 0 238px;
  scroll-snap-align:start;
  display:flex;
  flex-direction:column;
  gap:12px;
  min-height:146px;
  padding:18px;
  border-radius:22px;
  background:rgba(255,255,255,.88);
  border:1px solid rgba(87,120,167,.14);
  box-shadow:0 10px 24px rgba(25,54,96,.05);
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.rail-card:hover,
.rail-card:focus-visible{
  transform:translateY(-2px);
  border-color:rgba(45,108,223,.22);
  box-shadow:0 16px 30px rgba(25,54,96,.09);
}
.rail-card .rail-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
}
.rail-card h3{
  margin:0;
  font-size:1.02rem;
}
.rail-card p{
  margin:0;
  color:var(--muted);
  font-size:.94rem;
  line-height:1.75;
}
.rail-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(45,108,223,.08);
  color:var(--primary);
  font-size:.8rem;
  font-weight:700;
}
.rail-arrow{
  width:30px;
  height:30px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:rgba(45,108,223,.10);
  color:var(--primary);
}

.section{
  padding:22px 0;
}
.section-box{
  border-radius:var(--radius-xl);
  padding:26px;
}
.section-heading{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:18px;
  margin-bottom:18px;
}
.section-heading h2{
  margin:8px 0 0;
  font-size:clamp(1.5rem, 3vw, 2.2rem);
  line-height:1.18;
}
.section-heading p{
  margin:10px 0 0;
  color:var(--muted);
  max-width:54rem;
}
.section-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 12px;
  border-radius:999px;
  background:rgba(45,108,223,.08);
  color:var(--primary);
  font-size:.88rem;
  font-weight:700;
}

.updates-rail{
  display:flex;
  gap:14px;
  overflow-x:auto;
  padding-bottom:6px;
  scroll-snap-type:x proximity;
}
.update-card{
  flex:0 0 250px;
  min-height:158px;
  scroll-snap-align:start;
  border-radius:22px;
  padding:18px;
  background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(245,250,255,.96));
  border:1px solid rgba(88,119,166,.12);
  box-shadow:0 10px 24px rgba(25,54,96,.05);
}
.update-card .update-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(88,192,212,.12);
  color:#267f90;
  font-size:.8rem;
  font-weight:700;
}
.update-card h3{
  margin:12px 0 8px;
  font-size:1.06rem;
}
.update-card p{
  margin:0;
  color:var(--muted);
  font-size:.95rem;
  line-height:1.75;
}
.update-card .mini-link{
  display:inline-flex;
  margin-top:14px;
  color:var(--primary);
  font-weight:700;
}

.spotlight-grid{
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:18px;
}
.spotlight-card,
.side-stack-card{
  border-radius:var(--radius-xl);
  border:1px solid rgba(87,120,167,.14);
  background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(245,249,255,.98));
  box-shadow:var(--shadow);
}
.spotlight-card{
  padding:26px;
  min-height:100%;
}
.spotlight-card h3{
  margin:12px 0 12px;
  font-size:clamp(1.42rem, 2.5vw, 2.1rem);
  line-height:1.18;
}
.spotlight-card p{
  margin:0;
  color:var(--muted);
  line-height:1.8;
}
.spotlight-list{
  display:grid;
  gap:12px;
  margin:18px 0 22px;
}
.spotlight-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px;
  border-radius:18px;
  background:rgba(245,249,255,.95);
  border:1px solid rgba(87,120,167,.12);
}
.spotlight-item .bullet{
  width:12px;
  height:12px;
  border-radius:50%;
  margin-top:6px;
  background:linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow:0 0 0 5px rgba(45,108,223,.08);
}
.spotlight-item strong{
  display:block;
  margin-bottom:4px;
}
.spotlight-item span{
  display:block;
  color:var(--muted);
  font-size:.94rem;
  line-height:1.65;
}
.spotlight-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:20px;
}
.side-stack-card{
  display:grid;
  gap:14px;
  padding:20px;
}
.side-card{
  padding:18px;
  border-radius:20px;
  background:#fff;
  border:1px solid rgba(88,119,166,.12);
}
.side-card .side-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  margin-bottom:10px;
}
.side-card h4{
  margin:0;
  font-size:1rem;
}
.side-card p{
  margin:0;
  color:var(--muted);
  line-height:1.75;
  font-size:.94rem;
}
.side-badges{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:12px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 10px;
  border-radius:999px;
  font-size:.82rem;
  background:rgba(45,108,223,.08);
  color:var(--primary);
}
.badge.soft{
  background:rgba(88,192,212,.12);
  color:#227788;
}

.tools-bar{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  margin-bottom:16px;
}
.tools-left{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(87,120,167,.16);
  background:rgba(255,255,255,.85);
  color:var(--muted);
  transition:transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.chip:hover,
.chip:focus-visible{
  transform:translateY(-1px);
  border-color:rgba(45,108,223,.25);
  color:var(--primary);
}
.chip.is-active{
  background:linear-gradient(135deg, rgba(45,108,223,.14), rgba(127,177,255,.18));
  color:var(--primary);
  border-color:rgba(45,108,223,.22);
  box-shadow:0 10px 20px rgba(45,108,223,.08);
}
.tools-right{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.sort-select{
  min-height:42px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(87,120,167,.16);
  background:rgba(255,255,255,.88);
  color:var(--text);
}
.view-switch{
  display:inline-flex;
  padding:4px;
  border-radius:999px;
  border:1px solid rgba(87,120,167,.16);
  background:rgba(255,255,255,.82);
}
.view-switch button{
  min-height:34px;
  padding:0 13px;
  border-radius:999px;
  color:var(--muted);
}
.view-switch button.is-active{
  background:linear-gradient(135deg, rgba(45,108,223,.16), rgba(127,177,255,.16));
  color:var(--primary);
}
.results-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}
.results-count{
  color:var(--muted);
  font-size:.95rem;
}
.results-count strong{
  color:var(--primary);
}

.gallery-grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:16px;
}
.gallery-grid.compact{
  grid-template-columns:repeat(4, minmax(0,1fr));
}
.content-card{
  display:flex;
  flex-direction:column;
  min-height:276px;
  padding:16px;
  border-radius:24px;
  background:rgba(255,255,255,.92);
  border:1px solid rgba(87,120,167,.14);
  box-shadow:0 10px 24px rgba(25,54,96,.05);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.content-card:hover,
.content-card:focus-visible{
  transform:translateY(-3px);
  border-color:rgba(45,108,223,.24);
  box-shadow:var(--shadow-strong);
}
.content-card.is-hidden{
  display:none !important;
}
.card-visual{
  position:relative;
  min-height:92px;
  border-radius:18px;
  margin-bottom:14px;
  border:1px solid rgba(87,120,167,.14);
  overflow:hidden;
  background:
    radial-gradient(circle at top left, rgba(45,108,223,.24), transparent 34%),
    radial-gradient(circle at bottom right, rgba(88,192,212,.20), transparent 28%),
    linear-gradient(135deg, #eef5ff 0%, #f9fcff 100%);
}
.card-visual::after{
  content:"";
  position:absolute;
  inset:14px 14px auto auto;
  width:40px;
  height:40px;
  border-radius:14px;
  background:linear-gradient(135deg, rgba(45,108,223,.18), rgba(127,177,255,.28));
}
.card-badge{
  position:absolute;
  top:12px;
  right:12px;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  border:1px solid rgba(87,120,167,.14);
  color:var(--primary);
  font-size:.8rem;
  font-weight:700;
}
.card-topline{
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--muted);
  font-size:.82rem;
  margin-bottom:10px;
}
.card-topline .dot{box-shadow:0 0 0 4px rgba(88,192,212,.12)}
.content-card h3{
  margin:0 0 8px;
  font-size:1.06rem;
  line-height:1.38;
  min-height:2.76em;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.content-card p{
  margin:0;
  color:var(--muted);
  line-height:1.76;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:auto;
  padding-top:14px;
}
.meta-pill{
  display:inline-flex;
  align-items:center;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(45,108,223,.08);
  color:var(--primary);
  font-size:.8rem;
}
.meta-pill.soft{
  background:rgba(88,192,212,.12);
  color:#227788;
}

.empty-state{
  display:none;
  margin-top:16px;
  padding:22px;
  border-radius:22px;
  border:1px dashed rgba(87,120,167,.22);
  background:rgba(255,255,255,.72);
  color:var(--muted);
}
.empty-state.show{
  display:block;
}

.load-more-wrap{
  display:flex;
  justify-content:center;
  margin-top:18px;
}

.faq-list{
  display:grid;
  gap:12px;
}
.faq-list details{
  border-radius:20px;
  border:1px solid rgba(87,120,167,.14);
  background:rgba(255,255,255,.88);
  box-shadow:0 10px 22px rgba(25,54,96,.04);
  overflow:hidden;
}
.faq-list summary{
  list-style:none;
  padding:18px 20px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-weight:700;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:"+";
  width:32px;
  height:32px;
  flex:0 0 auto;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:rgba(45,108,223,.08);
  color:var(--primary);
  transition:transform .2s ease;
}
.faq-list details[open] summary::after{
  content:"–";
}
.faq-list .faq-body{
  padding:0 20px 18px;
  color:var(--muted);
  line-height:1.9;
}

.cta-section{
  padding:22px 0 72px;
}
.cta-box{
  border-radius:28px;
  padding:28px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:18px;
  background:
    radial-gradient(circle at top right, rgba(127,177,255,.16), transparent 24%),
    linear-gradient(135deg, rgba(255,255,255,.95), rgba(239,246,255,.98));
}
.cta-box h2{
  margin:0 0 10px;
  font-size:clamp(1.4rem, 2.8vw, 2.1rem);
  line-height:1.2;
}
.cta-box p{
  margin:0;
  color:var(--muted);
  line-height:1.8;
}
.cta-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  flex:0 0 auto;
}

.footer{
  padding:34px 0 42px;
  background:rgba(246,249,253,.92);
  border-top:1px solid rgba(87,120,167,.12);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.45fr .85fr .85fr 1fr;
  gap:22px;
}
.footer h3{
  margin:0 0 12px;
  font-size:1rem;
}
.footer p{
  margin:0 0 10px;
  color:var(--muted);
  line-height:1.8;
}
.footer a{
  color:var(--muted);
}
.footer a:hover,
.footer a:focus-visible{
  color:var(--primary);
}
.footer small{
  color:#7e8da4;
}

.back-to-top{
  position:fixed;
  right:18px;
  bottom:18px;
  width:48px;
  height:48px;
  border-radius:16px;
  display:grid;
  place-items:center;
  color:#fff;
  background:linear-gradient(135deg, var(--primary), #4f86ea);
  box-shadow:0 16px 28px rgba(45,108,223,.20);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .22s ease, transform .22s ease, visibility .22s ease;
  z-index:70;
}
.back-to-top.show{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

@media (max-width: 1180px){
  .gallery-grid,
  .gallery-grid.compact{
    grid-template-columns:repeat(3, minmax(0,1fr));
  }
  .footer-grid{
    grid-template-columns:repeat(2, minmax(0,1fr));
  }
}
@media (max-width: 1024px){
  .hero-shell,
  .spotlight-grid,
  .cta-box{
    grid-template-columns:1fr;
  }
  .hero-shell{
    display:grid;
  }
  .cta-box{
    display:block;
  }
  .cta-actions{
    margin-top:16px;
  }
}
@media (max-width: 960px){
  .menu-toggle{display:inline-flex;margin-left:auto}
  .nav-links,
  .header-actions{
    display:none;
    width:100%;
  }
  .site-header.menu-open .nav-links,
  .site-header.menu-open .header-actions{
    display:flex;
  }
  .site-header .nav-shell{
    flex-wrap:wrap;
  }
  .nav-links{
    order:3;
    margin-left:0;
    padding-bottom:4px;
  }
  .header-actions{
    order:4;
    width:100%;
    justify-content:flex-start;
    padding-bottom:6px;
    flex-wrap:wrap;
  }
  .header-search{
    width:100%;
    min-width:0;
  }
}
@media (max-width: 768px){
  .page-hero{
    padding-top:30px;
  }
  .hero-copy,
  .hero-panel,
  .section-box,
  .cta-box{
    border-radius:22px;
    padding:22px;
  }
  .section-heading,
  .tools-bar{
    align-items:flex-start;
    flex-direction:column;
  }
  .panel-mini-grid,
  .footer-grid{
    grid-template-columns:1fr;
  }
  .gallery-grid,
  .gallery-grid.compact{
    grid-template-columns:repeat(2, minmax(0,1fr));
  }
  .results-row{
    align-items:flex-start;
    flex-direction:column;
  }
}
@media (max-width: 520px){
  .container{width:min(var(--container), calc(100% - 24px))}
  .brand-text{font-size:.96rem}
  .hero-copy h1{font-size:clamp(2rem, 10vw, 3rem)}
  .hero-actions,
  .spotlight-actions{
    flex-direction:column;
    align-items:stretch;
  }
  .gallery-grid,
  .gallery-grid.compact{
    grid-template-columns:1fr;
  }
  .rail-card,
  .update-card{
    flex-basis:84%;
  }
  .cta-button,
  .btn-primary,
  .btn-secondary,
  .load-more,
  .chip,
  .sort-select{
    width:100%;
  }
  .tools-right{
    width:100%;
  }
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
}