/* roulang page: index */
:root{
      --midnight:#171128;
      --midnight-2:#23183d;
      --ink:#1f2433;
      --muted:#6d7184;
      --soft:#f6f2ee;
      --soft-2:#fbf8f4;
      --card:#ffffff;
      --line:rgba(31,36,51,.12);
      --line-dark:rgba(255,255,255,.16);
      --orange:#ff7a3d;
      --orange-2:#ff4f6d;
      --cyan:#1fd4d8;
      --rose:#c43b86;
      --green:#35d07f;
      --purple:#6e55ff;
      --shadow:0 18px 50px rgba(23,17,40,.12);
      --shadow-soft:0 12px 32px rgba(23,17,40,.08);
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:28px;
      --radius-xl:34px;
      --container:1220px;
      --ease:all .22s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 3%, rgba(255,122,61,.13), transparent 28%),
        radial-gradient(circle at 88% 12%, rgba(31,212,216,.12), transparent 30%),
        linear-gradient(180deg,#f7f2ee 0%,#f4f0f6 50%,#f7f2ee 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--cyan)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(255,122,61,.25)}
    :focus-visible{outline:3px solid rgba(31,212,216,.42);outline-offset:3px;border-radius:10px}

    .site-container{
      width:min(var(--container),calc(100% - 40px));
      margin:0 auto;
    }
    .section{
      padding:88px 0;
      position:relative;
    }
    .section-tight{padding:64px 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;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(31,212,216,.12);
      color:#126f75;
      font-size:13px;
      font-weight:700;
      margin-bottom:12px;
    }
    .section-kicker:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 5px rgba(31,212,216,.14);
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(32px,5vw,58px);
      line-height:1.14;
      letter-spacing:-.04em;
      font-weight:850;
      margin-bottom:20px;
      color:#fff8ef;
    }
    h2{
      font-size:clamp(28px,3vw,38px);
      line-height:1.28;
      letter-spacing:-.03em;
      font-weight:820;
      color:var(--ink);
      margin-bottom:14px;
    }
    h3{
      font-size:clamp(20px,2vw,24px);
      line-height:1.35;
      font-weight:780;
      color:var(--ink);
      margin-bottom:10px;
    }
    p{
      color:var(--muted);
      font-size:16.5px;
      line-height:1.82;
      margin-bottom:0;
    }
    .section-lead{
      max-width:680px;
      color:#666a7d;
      font-size:17px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      background:rgba(23,17,40,.96);
      border-bottom:1px solid rgba(255,255,255,.12);
      box-shadow:0 10px 30px rgba(12,8,24,.18);
    }
    .toolbar{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      color:#fff8ef;
      font-weight:850;
      letter-spacing:-.03em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:
        linear-gradient(135deg,var(--orange),var(--rose) 48%,var(--cyan));
      position:relative;
      box-shadow:0 10px 24px rgba(255,122,61,.22);
      flex:0 0 auto;
    }
    .brand-mark:before,
    .brand-mark:after{
      content:"";
      position:absolute;
      border-radius:999px;
      border:2px solid rgba(255,255,255,.78);
    }
    .brand-mark:before{inset:9px 8px 14px 13px}
    .brand-mark:after{inset:16px 14px 8px 8px}
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.12;
      min-width:0;
    }
    .brand-title{
      font-size:16px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:270px;
    }
    .brand-sub{
      font-size:12px;
      color:rgba(255,248,239,.58);
      font-weight:650;
      margin-top:4px;
      letter-spacing:.02em;
    }
    .toolbar-menu{
      display:flex;
      align-items:center;
      gap:8px;
      margin:0;
      padding:7px;
      list-style:none;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.06);
      border-radius:999px;
    }
    .toolbar-menu a{
      display:inline-flex;
      min-height:38px;
      align-items:center;
      padding:0 16px;
      border-radius:999px;
      color:rgba(255,248,239,.76);
      font-size:14px;
      font-weight:700;
    }
    .toolbar-menu a:hover,
    .toolbar-menu a.active{
      color:#fff;
      background:rgba(255,255,255,.12);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
    }
    .toolbar-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .status-pill{
      display:flex;
      align-items:center;
      gap:8px;
      min-height:40px;
      padding:0 13px;
      border-radius:999px;
      color:#eafdfb;
      background:rgba(31,212,216,.1);
      border:1px solid rgba(31,212,216,.2);
      font-size:13px;
      font-weight:750;
      white-space:nowrap;
    }
    .status-dot{
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 0 6px rgba(53,208,127,.14);
    }
    .icon-button{
      width:42px;
      height:42px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.07);
      color:#fff8ef;
      display:inline-flex;
      align-items:center;
      justify-content:center;
    }
    .icon-button:hover{
      transform:translateY(-2px);
      background:rgba(31,212,216,.14);
      color:#fff;
    }
    .menu-toggle{
      display:none;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      color:#fff;
      border-radius:14px;
      width:44px;
      height:44px;
      align-items:center;
      justify-content:center;
    }

    .button,
    .button.primary-cta,
    .button.secondary-cta{
      margin:0;
      border-radius:999px;
      font-weight:800;
      letter-spacing:-.01em;
      min-height:46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      transition:var(--ease);
    }
    .button.primary-cta{
      color:#251225;
      background:linear-gradient(135deg,#ff9a54 0%,var(--orange) 45%,#ff5470 100%);
      box-shadow:0 16px 28px rgba(255,122,61,.28);
      border:0;
      padding:0 20px;
    }
    .button.primary-cta:hover{
      color:#1e1020;
      transform:translateY(-2px);
      box-shadow:0 20px 38px rgba(255,122,61,.36);
      filter:saturate(1.08);
    }
    .button.primary-cta:active,
    .button.secondary-cta:active{transform:translateY(0) scale(.98)}
    .button.secondary-cta{
      color:#fff8ef;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.2);
      padding:0 18px;
    }
    .button.secondary-cta:hover{
      background:rgba(31,212,216,.14);
      color:#fff;
      border-color:rgba(31,212,216,.45);
      transform:translateY(-2px);
    }
    .light-button{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 15px;
      border-radius:999px;
      color:var(--midnight);
      background:#fff;
      border:1px solid var(--line);
      font-size:14px;
      font-weight:800;
      box-shadow:0 8px 20px rgba(23,17,40,.06);
    }
    .light-button:hover{
      color:var(--midnight);
      border-color:rgba(31,212,216,.55);
      transform:translateY(-2px);
      box-shadow:0 14px 28px rgba(23,17,40,.1);
    }

    .hero{
      padding:34px 0 72px;
      background:
        radial-gradient(circle at 16% 18%,rgba(255,122,61,.26),transparent 28%),
        radial-gradient(circle at 80% 22%,rgba(31,212,216,.2),transparent 28%),
        linear-gradient(180deg,var(--midnight) 0%,#26183e 74%,transparent 74%);
    }
    .hero-stage{
      position:relative;
      overflow:hidden;
      min-height:548px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(255,255,255,.14);
      background:
        linear-gradient(90deg,rgba(23,17,40,.92) 0%,rgba(23,17,40,.82) 46%,rgba(23,17,40,.52) 100%),
        radial-gradient(circle at 75% 40%,rgba(255,122,61,.38),transparent 28%),
        linear-gradient(135deg,#2f214b 0%,#171128 100%);
      box-shadow:0 30px 80px rgba(23,17,40,.24);
    }
    .hero-stage:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.06) 1px, transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(90deg,rgba(0,0,0,.62),rgba(0,0,0,.1));
      pointer-events:none;
    }
    .series-tabs{
      position:absolute;
      left:28px;
      right:28px;
      top:24px;
      z-index:2;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
    }
    .series-tabs span{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.13);
      color:rgba(255,248,239,.82);
      font-size:13px;
      font-weight:760;
    }
    .series-tabs span:nth-child(2){border-color:rgba(255,122,61,.38)}
    .series-tabs span:nth-child(3){border-color:rgba(31,212,216,.38)}
    .series-tabs span:nth-child(4){border-color:rgba(196,59,134,.42)}
    .hero-copy{
      position:relative;
      z-index:3;
      width:min(760px,100%);
      padding:112px 54px 54px;
    }
    .hero-copy .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      color:#fff2df;
      font-weight:800;
      padding:8px 13px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      margin-bottom:18px;
      font-size:14px;
    }
    .hero-copy .eyebrow i{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--orange);
      box-shadow:0 0 0 6px rgba(255,122,61,.14);
      display:inline-block;
    }
    .hero-copy p{
      color:rgba(255,248,239,.74);
      font-size:18px;
      max-width:680px;
      margin-bottom:26px;
    }
    .hero-cta{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-bottom:30px;
    }
    .hero-datapoints{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      max-width:720px;
    }
    .datapoint{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.12);
    }
    .datapoint strong{
      display:block;
      color:#fff8ef;
      font-size:25px;
      line-height:1.1;
      margin-bottom:6px;
      letter-spacing:-.03em;
    }
    .datapoint span{
      color:rgba(255,248,239,.64);
      font-size:13px;
      font-weight:700;
    }
    .hero-panel{
      position:absolute;
      right:36px;
      bottom:36px;
      z-index:2;
      width:360px;
      border-radius:28px;
      padding:18px;
      background:rgba(255,248,239,.94);
      border:1px solid rgba(255,255,255,.36);
      box-shadow:0 24px 60px rgba(6,4,14,.28);
    }
    .panel-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      margin-bottom:14px;
    }
    .panel-title{
      font-weight:850;
      color:var(--midnight);
      letter-spacing:-.03em;
    }
    .panel-badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(53,208,127,.13);
      color:#17774a;
      font-size:12px;
      font-weight:800;
    }
    .metric-row{
      display:grid;
      grid-template-columns:82px 1fr 52px;
      align-items:center;
      gap:10px;
      padding:11px 0;
      border-top:1px solid rgba(23,17,40,.09);
      font-size:13px;
      font-weight:750;
      color:#4c5063;
    }
    .bar{
      height:8px;
      border-radius:999px;
      background:rgba(23,17,40,.08);
      overflow:hidden;
    }
    .bar span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--orange),var(--cyan));
    }
    .floating-rings{
      position:absolute;
      right:86px;
      top:96px;
      width:196px;
      height:196px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.18);
      opacity:.78;
    }
    .floating-rings:before,
    .floating-rings:after{
      content:"";
      position:absolute;
      border-radius:50%;
      border:1px solid rgba(31,212,216,.35);
    }
    .floating-rings:before{inset:28px}
    .floating-rings:after{inset:60px;border-color:rgba(255,122,61,.38)}

    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12.5px;
      font-weight:800;
      line-height:1;
      white-space:nowrap;
    }
    .badge.orange{background:rgba(255,122,61,.13);color:#9a441e}
    .badge.cyan{background:rgba(31,212,216,.12);color:#126f75}
    .badge.rose{background:rgba(196,59,134,.12);color:#8c2860}
    .badge.purple{background:rgba(110,85,255,.12);color:#4b3ab8}
    .badge.dark{background:rgba(23,17,40,.08);color:var(--midnight)}

    .entry-strip{
      margin-top:-34px;
      position:relative;
      z-index:5;
    }
    .entry-board{
      background:var(--card);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      border:1px solid var(--line);
      padding:18px;
    }
    .entry-grid{
      display:grid;
      grid-template-columns:1.15fr repeat(3,1fr);
      gap:14px;
    }
    .entry-card{
      position:relative;
      overflow:hidden;
      min-height:146px;
      padding:22px;
      border-radius:22px;
      border:1px solid var(--line);
      background:linear-gradient(180deg,#fff,#faf8f4);
      transition:var(--ease);
    }
    .entry-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-soft);
      border-color:rgba(31,212,216,.35);
    }
    .entry-card.feature{
      background:
        radial-gradient(circle at 85% 20%,rgba(255,122,61,.18),transparent 32%),
        linear-gradient(135deg,#fff8f0,#fff);
    }
    .entry-icon{
      width:42px;
      height:42px;
      border-radius:16px;
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:20px;
      margin-bottom:14px;
      color:#fff;
      background:linear-gradient(135deg,var(--midnight),var(--purple));
    }
    .entry-card:nth-child(2) .entry-icon{background:linear-gradient(135deg,var(--orange),var(--rose))}
    .entry-card:nth-child(3) .entry-icon{background:linear-gradient(135deg,var(--cyan),#149aa1)}
    .entry-card:nth-child(4) .entry-icon{background:linear-gradient(135deg,var(--rose),var(--purple))}
    .entry-card h3{margin-bottom:8px}
    .entry-card p{font-size:14.5px;line-height:1.68}
    .entry-link{
      margin-top:16px;
      display:inline-flex;
      align-items:center;
      gap:6px;
      font-size:14px;
      font-weight:850;
      color:#126f75;
    }
    .entry-link:hover{gap:10px;color:var(--orange)}

    .matrix-layout{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
      gap:20px;
      align-items:stretch;
    }
    .service-major{
      border-radius:var(--radius-lg);
      padding:30px;
      min-height:420px;
      background:
        radial-gradient(circle at 80% 20%,rgba(31,212,216,.16),transparent 34%),
        linear-gradient(135deg,#201638,#151022);
      color:#fff8ef;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .service-major:after{
      content:"";
      position:absolute;
      left:30px;
      right:30px;
      bottom:26px;
      height:10px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--orange) 0 26%,var(--cyan) 26% 54%,var(--rose) 54% 74%,rgba(255,255,255,.16) 74%);
    }
    .service-major h2{color:#fff8ef;margin-bottom:14px}
    .service-major p{color:rgba(255,248,239,.7);max-width:560px}
    .service-list{
      margin:26px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .service-list li{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.1);
      color:rgba(255,248,239,.82);
      font-weight:700;
      font-size:14.5px;
    }
    .service-list li:before{
      content:"";
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--cyan);
      margin-top:7px;
      flex:0 0 auto;
    }
    .service-small-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .small-card{
      border-radius:24px;
      padding:22px;
      background:rgba(255,255,255,.86);
      border:1px solid var(--line);
      box-shadow:0 10px 26px rgba(23,17,40,.05);
      transition:var(--ease);
      position:relative;
      overflow:hidden;
    }
    .small-card:before{
      content:"";
      position:absolute;
      inset:0 auto auto 0;
      width:88px;
      height:5px;
      background:var(--orange);
      border-radius:0 0 999px 0;
    }
    .small-card:nth-child(2):before{background:var(--cyan)}
    .small-card:nth-child(3):before{background:var(--rose)}
    .small-card:nth-child(4):before{background:var(--purple)}
    .small-card:hover{
      transform:translateY(-4px);
      border-color:rgba(31,212,216,.35);
      box-shadow:var(--shadow-soft);
    }
    .small-card .num{
      color:rgba(23,17,40,.28);
      font-weight:900;
      font-size:28px;
      line-height:1;
      margin-bottom:18px;
    }
    .small-card p{font-size:14.5px;line-height:1.7}

    .milestone-band{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .milestone-top{
      padding:24px 28px;
      background:linear-gradient(135deg,var(--midnight),#31204f);
      color:#fff8ef;
      display:flex;
      justify-content:space-between;
      gap:20px;
      align-items:center;
    }
    .milestone-top h2{color:#fff8ef;margin:0}
    .milestone-top p{color:rgba(255,248,239,.68);max-width:520px}
    .timeline{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:0;
    }
    .timeline-item{
      padding:28px;
      border-right:1px solid var(--line);
      position:relative;
      min-height:210px;
    }
    .timeline-item:last-child{border-right:0}
    .timeline-item:before{
      content:"";
      position:absolute;
      top:31px;
      left:28px;
      width:14px;
      height:14px;
      border-radius:50%;
      background:var(--orange);
      box-shadow:0 0 0 8px rgba(255,122,61,.12);
    }
    .timeline-item:nth-child(2):before{background:var(--cyan);box-shadow:0 0 0 8px rgba(31,212,216,.12)}
    .timeline-item:nth-child(3):before{background:var(--rose);box-shadow:0 0 0 8px rgba(196,59,134,.12)}
    .timeline-item:nth-child(4):before{background:var(--purple);box-shadow:0 0 0 8px rgba(110,85,255,.12)}
    .timeline-item strong{
      display:block;
      padding-left:28px;
      color:var(--midnight);
      font-size:18px;
      margin-bottom:14px;
      letter-spacing:-.02em;
    }
    .timeline-item p{font-size:14.5px;line-height:1.72}

    .compare-panel{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .compare-titlebar{
      padding:22px 26px;
      background:linear-gradient(135deg,#211739,#171128);
      color:#fff8ef;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .compare-titlebar h2{color:#fff8ef;margin:0}
    .compare-grid{
      display:grid;
      grid-template-columns:1fr 74px 1fr;
      gap:0;
      padding:24px;
    }
    .compare-col{
      display:grid;
      gap:12px;
    }
    .compare-row{
      min-height:82px;
      padding:16px;
      border-radius:18px;
      border:1px solid var(--line);
      background:#fbfaf7;
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .compare-row.good{
      background:linear-gradient(135deg,rgba(31,212,216,.1),rgba(255,255,255,.95));
      border-color:rgba(31,212,216,.24);
    }
    .compare-row strong{
      color:var(--midnight);
      font-size:15px;
      line-height:1.35;
    }
    .compare-row span{
      color:var(--muted);
      font-size:13.5px;
      line-height:1.6;
    }
    .compare-arrow{
      display:flex;
      align-items:center;
      justify-content:center;
      color:var(--orange);
      font-size:28px;
      font-weight:900;
    }

    .updates{
      background:
        linear-gradient(180deg,rgba(255,255,255,.64),rgba(255,255,255,.28));
    }
    .updates-shell{
      display:grid;
      grid-template-columns:340px 1fr;
      gap:26px;
      align-items:start;
    }
    .updates-aside{
      position:sticky;
      top:98px;
      border-radius:var(--radius-lg);
      padding:26px;
      background:var(--midnight);
      color:#fff8ef;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .updates-aside:after{
      content:"";
      position:absolute;
      right:-48px;
      bottom:-48px;
      width:168px;
      height:168px;
      border-radius:50%;
      border:26px solid rgba(31,212,216,.14);
    }
    .updates-aside h2{color:#fff8ef;margin-bottom:12px}
    .updates-aside p{color:rgba(255,248,239,.68);font-size:15.5px}
    .filter-tags{
      display:flex;
      gap:9px;
      flex-wrap:wrap;
      margin-top:22px;
      position:relative;
      z-index:1;
    }
    .post-list{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .post-card{
      display:flex;
      flex-direction:column;
      min-height:236px;
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 26px rgba(23,17,40,.05);
      transition:var(--ease);
    }
    .post-card.featured{
      grid-column:span 2;
      min-height:220px;
      background:
        radial-gradient(circle at 92% 14%,rgba(255,122,61,.16),transparent 28%),
        linear-gradient(135deg,#fff,#fff8f0);
    }
    .post-card:hover{
      transform:translateY(-4px);
      border-color:rgba(31,212,216,.4);
      box-shadow:var(--shadow-soft);
    }
    .post-meta{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:14px;
      font-size:13px;
      color:var(--muted);
      font-weight:700;
    }
    .post-title{
      color:var(--midnight);
      font-size:20px;
      font-weight:850;
      line-height:1.42;
      margin-bottom:12px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .post-card:hover .post-title{color:#126f75}
    .post-excerpt{
      color:var(--muted);
      font-size:14.5px;
      line-height:1.72;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
      margin-bottom:18px;
    }
    .post-more{
      margin-top:auto;
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:#126f75;
      font-size:14px;
      font-weight:850;
    }
    .post-card:hover .post-more{gap:12px;color:var(--orange)}
    .empty-state{
      grid-column:1 / -1;
      padding:38px;
      text-align:center;
      border-radius:24px;
      background:#fff;
      border:1px dashed rgba(23,17,40,.22);
      color:var(--muted);
      box-shadow:var(--shadow-soft);
    }
    .empty-icon{
      width:62px;
      height:62px;
      margin:0 auto 16px;
      border-radius:22px;
      background:linear-gradient(135deg,rgba(255,122,61,.16),rgba(31,212,216,.16));
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:28px;
    }

    .assurance-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .assurance-card{
      padding:24px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 24px rgba(23,17,40,.05);
      transition:var(--ease);
    }
    .assurance-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-soft);
      border-color:rgba(255,122,61,.34);
    }
    .assurance-card .symbol{
      width:42px;
      height:42px;
      border-radius:16px;
      background:rgba(255,122,61,.13);
      color:#a2431c;
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:900;
      margin-bottom:16px;
    }
    .assurance-card:nth-child(2) .symbol{background:rgba(31,212,216,.12);color:#126f75}
    .assurance-card:nth-child(3) .symbol{background:rgba(196,59,134,.12);color:#8c2860}
    .assurance-card:nth-child(4) .symbol{background:rgba(110,85,255,.12);color:#4b3ab8}
    .assurance-card p{font-size:14.5px;line-height:1.7}

    .changelog{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      padding:28px;
    }
    .change-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:14px;
    }
    .change-item{
      display:grid;
      grid-template-columns:140px 1fr auto;
      gap:18px;
      align-items:center;
      padding:16px;
      border-radius:20px;
      background:#fbfaf7;
      border:1px solid rgba(23,17,40,.08);
    }
    .change-time{
      color:var(--midnight);
      font-weight:850;
      font-size:14px;
    }
    .change-item p{font-size:14.5px}
    .change-status{
      min-width:72px;
      text-align:center;
    }

    .faq-wrap{
      max-width:920px;
      margin:0 auto;
    }
    .accordion{
      background:transparent;
      margin:0;
    }
    .accordion-item{
      margin-bottom:12px;
      border-radius:20px;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 8px 22px rgba(23,17,40,.05);
    }
    .accordion-title{
      border:0!important;
      color:var(--midnight)!important;
      font-size:17px;
      font-weight:850;
      padding:20px 54px 20px 22px;
      background:#fff;
      line-height:1.45;
    }
    .accordion-title:hover,
    .accordion-title:focus{
      background:linear-gradient(90deg,rgba(31,212,216,.08),#fff);
      color:#126f75!important;
    }
    .accordion-title:before{
      right:22px;
      font-size:24px;
      margin-top:-14px;
      color:var(--orange);
    }
    .accordion-content{
      border:0!important;
      border-top:1px solid rgba(23,17,40,.08)!important;
      padding:0 22px 22px 22px;
      color:var(--muted);
      line-height:1.82;
      background:#fff;
      position:relative;
    }
    .accordion-content:before{
      content:"";
      position:absolute;
      left:0;
      top:0;
      bottom:0;
      width:5px;
      background:linear-gradient(180deg,var(--orange),var(--cyan));
    }

    .cta-panel{
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 12% 20%,rgba(255,122,61,.22),transparent 30%),
        radial-gradient(circle at 92% 8%,rgba(31,212,216,.18),transparent 28%),
        linear-gradient(135deg,var(--midnight),#2b1b48);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 28px 70px rgba(23,17,40,.24);
      padding:34px;
      color:#fff8ef;
      overflow:hidden;
      position:relative;
    }
    .cta-panel h2{color:#fff8ef}
    .cta-panel p{color:rgba(255,248,239,.7)}
    .cta-grid{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:28px;
      align-items:start;
      position:relative;
      z-index:1;
    }
    .contact-notes{
      display:grid;
      gap:12px;
      margin-top:24px;
    }
    .note-card{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.11);
    }
    .note-card strong{
      display:block;
      color:#fff8ef;
      margin-bottom:5px;
      font-size:15px;
    }
    .note-card span{
      color:rgba(255,248,239,.62);
      font-size:13.5px;
      line-height:1.6;
    }
    .feedback-form{
      padding:24px;
      border-radius:26px;
      background:rgba(255,248,239,.96);
      color:var(--ink);
      border:1px solid rgba(255,255,255,.35);
    }
    .form-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .field.full{grid-column:1 / -1}
    .feedback-form label{
      display:block;
      color:var(--midnight);
      font-weight:850;
      font-size:14px;
      margin-bottom:8px;
    }
    .feedback-form input,
    .feedback-form select,
    .feedback-form textarea{
      width:100%;
      border-radius:16px;
      border:1px solid rgba(23,17,40,.14);
      background:#fff;
      min-height:48px;
      padding:12px 14px;
      box-shadow:none;
      margin:0;
      transition:var(--ease);
      color:var(--ink);
    }
    .feedback-form textarea{min-height:116px;resize:vertical}
    .feedback-form input:focus,
    .feedback-form select:focus,
    .feedback-form textarea:focus{
      border-color:rgba(31,212,216,.7);
      box-shadow:0 0 0 4px rgba(31,212,216,.12);
      background:#fff;
    }
    .form-hint{
      font-size:13px;
      color:var(--muted);
      line-height:1.65;
      margin:14px 0 18px;
    }

    .site-footer{
      background:#130e22;
      color:rgba(255,248,239,.72);
      padding:54px 0 28px;
      border-top:1px solid rgba(255,255,255,.12);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff8ef;
      font-weight:850;
      margin-bottom:14px;
    }
    .footer-desc{
      max-width:500px;
      color:rgba(255,248,239,.62);
      font-size:14.5px;
      line-height:1.78;
    }
    .footer-col h3{
      color:#fff8ef;
      font-size:16px;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:rgba(255,248,239,.62);
      font-size:14px;
      font-weight:700;
    }
    .footer-links a:hover{color:var(--cyan);padding-left:4px}
    .copyright{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.1);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:rgba(255,248,239,.48);
      font-size:13px;
    }

    @media (max-width:1024px){
      .toolbar-menu{display:none}
      .menu-toggle{display:inline-flex}
      .brand-title{max-width:230px}
      .hero-stage{min-height:auto}
      .hero-copy{padding:104px 34px 320px}
      .hero-panel{left:34px;right:34px;bottom:30px;width:auto}
      .floating-rings{right:42px;top:110px}
      .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .matrix-layout,.updates-shell,.cta-grid{grid-template-columns:1fr}
      .updates-aside{position:relative;top:auto}
      .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
      .timeline-item{border-bottom:1px solid var(--line)}
      .assurance-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .change-item{grid-template-columns:110px 1fr}
      .change-status{grid-column:2}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:calc(100% - 36px)}
      .toolbar{min-height:68px}
      .status-pill{display:none}
      .toolbar-actions .primary-cta{display:none}
      .brand-sub{display:none}
      .mobile-menu{
        display:none;
        padding:0 0 16px;
      }
      .mobile-menu.is-open{display:block}
      .mobile-menu a{
        display:flex;
        min-height:46px;
        align-items:center;
        padding:0 14px;
        margin-top:8px;
        color:#fff8ef;
        border-radius:14px;
        background:rgba(255,255,255,.08);
        font-weight:800;
      }
      .section{padding:62px 0}
      .section-head{display:block}
      .hero{padding-top:22px}
      .series-tabs{position:relative;left:auto;right:auto;top:auto;padding:18px 18px 0}
      .hero-copy{padding:24px 22px 330px}
      .hero-copy p{font-size:16.5px}
      .hero-datapoints{grid-template-columns:1fr}
      .hero-cta .button{width:100%}
      .floating-rings{display:none}
      .entry-grid,.service-small-grid,.post-list,.assurance-grid{grid-template-columns:1fr}
      .post-card.featured{grid-column:auto}
      .compare-grid{grid-template-columns:1fr;gap:14px}
      .compare-arrow{transform:rotate(90deg);min-height:42px}
      .timeline{grid-template-columns:1fr}
      .timeline-item{border-right:0}
      .form-grid{grid-template-columns:1fr}
      .field.full{grid-column:auto}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .site-container{width:calc(100% - 30px)}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .brand-title{max-width:178px;font-size:14px}
      .hero-stage,.cta-panel{border-radius:24px}
      .hero-panel{left:18px;right:18px;bottom:18px;padding:14px}
      .metric-row{grid-template-columns:72px 1fr 42px;font-size:12px}
      .entry-board,.changelog,.feedback-form{padding:16px}
      .milestone-top,.compare-titlebar{display:block}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (min-width:769px){
      .mobile-menu{display:none!important}
    }

/* roulang page: article */
:root{
      --midnight:#171128;
      --midnight-2:#23183d;
      --midnight-3:#2f2351;
      --ink:#1f2433;
      --muted:#6d7184;
      --soft:#f6f2ee;
      --soft-2:#fbf8f4;
      --soft-3:#f0ebf5;
      --card:#ffffff;
      --line:rgba(31,36,51,.12);
      --line-strong:rgba(31,36,51,.18);
      --line-dark:rgba(255,255,255,.16);
      --orange:#ff7a3d;
      --orange-2:#ff4f6d;
      --cyan:#1fd4d8;
      --rose:#c43b86;
      --green:#35d07f;
      --purple:#6e55ff;
      --warning:#ffd166;
      --shadow:0 18px 50px rgba(23,17,40,.12);
      --shadow-soft:0 12px 32px rgba(23,17,40,.08);
      --shadow-card:0 16px 42px rgba(38,28,66,.1);
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:28px;
      --radius-xl:34px;
      --container:1220px;
      --ease:all .22s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 3%, rgba(255,122,61,.13), transparent 28%),
        radial-gradient(circle at 88% 12%, rgba(31,212,216,.12), transparent 30%),
        linear-gradient(180deg,#f7f2ee 0%,#f4f0f6 50%,#f7f2ee 100%);
      line-height:1.75;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--cyan)}
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible{
      outline:3px solid rgba(31,212,216,.42);
      outline-offset:3px;
    }
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    p{margin-top:0}
    h1,h2,h3,h4,h5,h6{
      color:var(--ink);
      letter-spacing:-.035em;
      line-height:1.22;
      margin-top:0;
      font-weight:850;
    }

    .site-container{
      width:min(var(--container),calc(100% - 40px));
      margin:0 auto;
    }
    .section{
      padding:88px 0;
      position:relative;
    }
    .section-tight{padding:64px 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;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(31,212,216,.12);
      color:#126f75;
      font-size:13px;
      font-weight:800;
      margin-bottom:12px;
    }
    .section-kicker:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 5px rgba(31,212,216,.14);
    }
    .section-lead{
      max-width:680px;
      color:#666a7d;
      font-size:17px;
      line-height:1.8;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      background:rgba(23,17,40,.96);
      border-bottom:1px solid rgba(255,255,255,.12);
      box-shadow:0 10px 30px rgba(12,8,24,.18);
    }
    .toolbar{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      color:#fff8ef;
      font-weight:850;
      letter-spacing:-.03em;
    }
    .brand:hover{color:#fff}
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:linear-gradient(135deg,var(--orange),var(--rose) 48%,var(--cyan));
      position:relative;
      box-shadow:0 10px 24px rgba(255,122,61,.22);
      flex:0 0 auto;
    }
    .brand-mark:before,
    .brand-mark:after{
      content:"";
      position:absolute;
      border-radius:999px;
      border:2px solid rgba(255,255,255,.78);
    }
    .brand-mark:before{inset:9px 8px 14px 13px}
    .brand-mark:after{inset:16px 14px 8px 8px}
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.12;
      min-width:0;
    }
    .brand-title{
      font-size:16px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:270px;
    }
    .brand-sub{
      font-size:12px;
      color:rgba(255,248,239,.58);
      font-weight:650;
      margin-top:4px;
      letter-spacing:.02em;
    }
    .toolbar-menu{
      display:flex;
      align-items:center;
      gap:8px;
      margin:0;
      padding:7px;
      list-style:none;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.06);
      border-radius:999px;
    }
    .toolbar-menu a{
      display:inline-flex;
      min-height:38px;
      align-items:center;
      padding:0 16px;
      border-radius:999px;
      color:rgba(255,248,239,.76);
      font-size:14px;
      font-weight:750;
    }
    .toolbar-menu a:hover,
    .toolbar-menu a.active{
      color:#fff;
      background:rgba(255,255,255,.12);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
    }
    .toolbar-actions{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:10px;
      flex:0 0 auto;
    }
    .status-pill{
      display:flex;
      align-items:center;
      gap:8px;
      min-height:40px;
      padding:0 13px;
      border-radius:999px;
      color:#eafdfb;
      background:rgba(31,212,216,.1);
      border:1px solid rgba(31,212,216,.2);
      font-size:13px;
      font-weight:750;
      white-space:nowrap;
    }
    .status-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 0 5px rgba(53,208,127,.14);
    }
    .icon-button{
      width:42px;
      height:42px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.07);
      color:#fff8ef;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      transition:var(--ease);
    }
    .icon-button:hover{
      transform:translateY(-2px);
      background:rgba(31,212,216,.14);
      color:#fff;
    }
    .menu-toggle{
      display:none;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      color:#fff;
      border-radius:14px;
      width:44px;
      height:44px;
      align-items:center;
      justify-content:center;
      transition:var(--ease);
    }
    .menu-toggle:hover{background:rgba(255,255,255,.14)}
    .mobile-menu{
      display:none;
      padding:0 0 16px;
    }
    .mobile-menu.is-open{display:grid;gap:8px}
    .mobile-menu a{
      min-height:44px;
      display:flex;
      align-items:center;
      padding:0 14px;
      color:#fff8ef;
      border-radius:14px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.1);
      font-weight:750;
    }
    .mobile-menu a:hover,
    .mobile-menu a.active{background:rgba(31,212,216,.14)}

    .button,
    .button.primary-cta,
    .button.secondary-cta,
    .light-button{
      margin:0;
      border-radius:999px;
      font-weight:850;
      letter-spacing:-.01em;
      min-height:46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      transition:var(--ease);
      line-height:1;
    }
    .button.primary-cta{
      color:#251225;
      background:linear-gradient(135deg,#ff9a54 0%,var(--orange) 45%,#ff5470 100%);
      box-shadow:0 16px 28px rgba(255,122,61,.28);
      border:0;
      padding:0 20px;
    }
    .button.primary-cta:hover{
      color:#1e1020;
      transform:translateY(-2px);
      box-shadow:0 20px 38px rgba(255,122,61,.36);
      filter:saturate(1.08);
    }
    .button.secondary-cta{
      color:#fff8ef;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.2);
      padding:0 18px;
    }
    .button.secondary-cta:hover{
      background:rgba(31,212,216,.14);
      color:#fff;
      border-color:rgba(31,212,216,.45);
      transform:translateY(-2px);
    }
    .light-button{
      color:var(--midnight);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      padding:0 18px;
    }
    .light-button:hover{
      color:var(--midnight);
      border-color:rgba(31,212,216,.45);
      transform:translateY(-2px);
      box-shadow:var(--shadow);
    }
    .button.primary-cta:active,
    .button.secondary-cta:active,
    .light-button:active{transform:translateY(0) scale(.98)}

    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      line-height:1;
      white-space:nowrap;
    }
    .badge-cyan{color:#106c74;background:rgba(31,212,216,.13);border:1px solid rgba(31,212,216,.22)}
    .badge-orange{color:#854012;background:rgba(255,122,61,.14);border:1px solid rgba(255,122,61,.22)}
    .badge-rose{color:#7a2354;background:rgba(196,59,134,.12);border:1px solid rgba(196,59,134,.2)}
    .badge-purple{color:#3e338f;background:rgba(110,85,255,.12);border:1px solid rgba(110,85,255,.2)}
    .badge-green{color:#17613c;background:rgba(53,208,127,.13);border:1px solid rgba(53,208,127,.22)}

    .article-hero{
      position:relative;
      overflow:hidden;
      color:#fff8ef;
      background:
        radial-gradient(circle at 15% 22%, rgba(255,122,61,.2), transparent 28%),
        radial-gradient(circle at 82% 8%, rgba(31,212,216,.18), transparent 28%),
        linear-gradient(135deg,var(--midnight) 0%,var(--midnight-2) 58%,#2e1f4d 100%);
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .article-hero:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent 82%);
      pointer-events:none;
    }
    .article-hero-inner{
      position:relative;
      padding:54px 0 62px;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin:0 0 24px;
      padding:0;
      list-style:none;
      color:rgba(255,248,239,.72);
      font-size:14px;
      font-weight:750;
    }
    .breadcrumb li{
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .breadcrumb li:not(:last-child):after{
      content:"›";
      color:rgba(255,248,239,.42);
      font-weight:900;
    }
    .breadcrumb a{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:0 10px;
      border-radius:999px;
      color:rgba(255,248,239,.82);
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.1);
    }
    .breadcrumb a:hover{
      color:#fff;
      background:rgba(31,212,216,.13);
      border-color:rgba(31,212,216,.34);
    }
    .breadcrumb span{color:rgba(255,248,239,.62)}
    .article-title-wrap{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:34px;
      align-items:end;
    }
    .article-title-wrap h1{
      max-width:940px;
      margin:0 0 18px;
      color:#fff8ef;
      font-size:clamp(34px,5vw,58px);
      line-height:1.14;
      word-break:break-word;
    }
    .article-summary{
      max-width:860px;
      color:rgba(255,248,239,.76);
      font-size:18px;
      line-height:1.85;
      margin:0 0 24px;
    }
    .article-meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      color:rgba(255,248,239,.72);
    }
    .meta-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      font-size:13px;
      font-weight:800;
    }
    .hero-info-card{
      border-radius:var(--radius-lg);
      padding:22px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.16);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.10);
    }
    .hero-info-card h2{
      color:#fff8ef;
      font-size:20px;
      margin:0 0 14px;
    }
    .hero-info-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .hero-info-list li{
      display:flex;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
      border-bottom:1px solid rgba(255,255,255,.1);
      color:rgba(255,248,239,.72);
      font-size:14px;
    }
    .hero-info-list li:last-child{border-bottom:0}
    .hero-info-list strong{
      color:#fff;
      font-weight:850;
      text-align:right;
    }

    .article-shell{
      padding:72px 0 88px;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) minmax(260px,1fr);
      gap:34px;
      align-items:start;
    }
    .reader-card{
      background:rgba(255,255,255,.92);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      padding:42px;
      overflow:hidden;
    }
    .article-content{
      color:#303548;
      font-size:17px;
      line-height:1.86;
      word-break:break-word;
    }
    .article-content > *:first-child{margin-top:0}
    .article-content p{
      margin:0 0 1.25em;
    }
    .article-content h2{
      font-size:30px;
      margin:2.2em 0 .75em;
      padding-top:.2em;
      color:#1f2433;
    }
    .article-content h3{
      font-size:23px;
      margin:1.8em 0 .65em;
      color:#25283b;
    }
    .article-content h4{
      font-size:19px;
      margin:1.5em 0 .55em;
    }
    .article-content a{
      color:#137981;
      font-weight:800;
      border-bottom:1px solid rgba(31,212,216,.38);
    }
    .article-content a:hover{
      color:#a93773;
      border-bottom-color:rgba(196,59,134,.45);
    }
    .article-content ul,
    .article-content ol{
      margin:0 0 1.35em 1.25em;
      padding-left:1.1em;
    }
    .article-content li{
      margin:.35em 0;
      padding-left:.2em;
    }
    .article-content blockquote{
      margin:1.7em 0;
      padding:20px 22px;
      border-left:5px solid var(--orange);
      background:linear-gradient(90deg,rgba(255,122,61,.12),rgba(31,212,216,.07));
      border-radius:0 var(--radius-md) var(--radius-md) 0;
      color:#3c4055;
      font-weight:700;
    }
    .article-content img{
      border-radius:22px;
      margin:1.6em auto;
      box-shadow:var(--shadow-soft);
      border:1px solid var(--line);
      background:#f1edf5;
    }
    .article-content figure{
      margin:1.8em 0;
    }
    .article-content figcaption{
      margin-top:10px;
      color:var(--muted);
      font-size:14px;
      text-align:center;
    }
    .article-content table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:1.6em 0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:18px;
      display:block;
      max-width:100%;
      overflow-x:auto;
      background:#fff;
    }
    .article-content th,
    .article-content td{
      padding:13px 15px;
      border-bottom:1px solid var(--line);
      min-width:140px;
      text-align:left;
    }
    .article-content th{
      background:#f2edf7;
      color:#221b36;
      font-weight:850;
    }
    .article-content tr:last-child td{border-bottom:0}
    .article-content code{
      padding:.18em .42em;
      border-radius:8px;
      background:rgba(23,17,40,.08);
      color:#8d285d;
      font-size:.92em;
    }
    .article-content pre{
      padding:18px;
      border-radius:18px;
      background:#181328;
      color:#fff8ef;
      overflow:auto;
      line-height:1.65;
      box-shadow:var(--shadow-soft);
    }
    .article-content pre code{
      padding:0;
      background:transparent;
      color:inherit;
    }
    .not-found-box{
      text-align:center;
      padding:44px 20px;
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,rgba(31,212,216,.1),rgba(255,122,61,.1));
      border:1px dashed rgba(31,36,51,.2);
    }
    .not-found-icon{
      width:70px;
      height:70px;
      margin:0 auto 18px;
      border-radius:22px;
      background:linear-gradient(135deg,var(--orange),var(--rose),var(--cyan));
      position:relative;
      box-shadow:var(--shadow-soft);
    }
    .not-found-icon:after{
      content:"";
      position:absolute;
      inset:18px;
      border:3px solid rgba(255,255,255,.82);
      border-radius:999px;
    }
    .not-found-box h2{
      font-size:28px;
      margin-bottom:10px;
    }
    .not-found-box p{
      max-width:520px;
      margin:0 auto 22px;
      color:var(--muted);
    }

    .article-sidebar{
      display:grid;
      gap:18px;
      position:sticky;
      top:98px;
    }
    .side-card{
      background:rgba(255,255,255,.86);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:var(--shadow-soft);
    }
    .side-card.dark{
      color:#fff8ef;
      background:
        radial-gradient(circle at 20% 12%,rgba(255,122,61,.2),transparent 30%),
        linear-gradient(145deg,var(--midnight),var(--midnight-2));
      border-color:rgba(255,255,255,.12);
    }
    .side-card h2,
    .side-card h3{
      font-size:20px;
      margin:0 0 14px;
    }
    .side-card.dark h2,
    .side-card.dark h3{color:#fff8ef}
    .side-card p{
      color:#6d7184;
      font-size:14px;
      line-height:1.78;
      margin-bottom:14px;
    }
    .side-card.dark p{color:rgba(255,248,239,.68)}
    .side-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .side-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#52576d;
      font-size:14px;
      line-height:1.65;
    }
    .side-card.dark .side-list li{color:rgba(255,248,239,.72)}
    .side-list li:before{
      content:"";
      width:9px;
      height:9px;
      margin-top:8px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 5px rgba(31,212,216,.12);
      flex:0 0 auto;
    }
    .mini-bars{
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    .mini-bar{
      display:grid;
      gap:7px;
    }
    .mini-bar span{
      display:flex;
      justify-content:space-between;
      gap:12px;
      color:rgba(255,248,239,.74);
      font-size:13px;
      font-weight:800;
    }
    .mini-track{
      height:8px;
      border-radius:999px;
      overflow:hidden;
      background:rgba(255,255,255,.12);
    }
    .mini-fill{
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--orange),var(--cyan));
    }

    .after-article{
      margin-top:30px;
      display:grid;
      gap:22px;
    }
    .recommend-panel{
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.88);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      padding:28px;
    }
    .recommend-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:18px;
    }
    .recommend-head h2{
      font-size:26px;
      margin:0;
    }
    .recommend-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:14px;
    }
    .recommend-card{
      display:flex;
      flex-direction:column;
      min-height:170px;
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      transition:var(--ease);
      position:relative;
      overflow:hidden;
    }
    .recommend-card:before{
      content:"";
      position:absolute;
      inset:0 0 auto;
      height:5px;
      background:linear-gradient(90deg,var(--orange),var(--cyan),var(--rose));
      opacity:.88;
    }
    .recommend-card:hover{
      transform:translateY(-4px);
      border-color:rgba(31,212,216,.42);
      box-shadow:var(--shadow-soft);
      color:inherit;
    }
    .recommend-card .meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:8px 0 12px;
      color:var(--muted);
      font-size:13px;
      font-weight:750;
    }
    .recommend-card h3{
      font-size:18px;
      line-height:1.38;
      margin:0 0 10px;
    }
    .recommend-card p{
      color:var(--muted);
      font-size:14px;
      line-height:1.68;
      margin:0;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .recommend-arrow{
      margin-top:auto;
      padding-top:16px;
      color:#137981;
      font-weight:900;
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .recommend-card:hover .recommend-arrow{gap:10px;color:#a93773}

    .compact-cta{
      border-radius:var(--radius-xl);
      overflow:hidden;
      background:
        radial-gradient(circle at 12% 18%,rgba(255,122,61,.18),transparent 28%),
        radial-gradient(circle at 86% 18%,rgba(31,212,216,.18),transparent 32%),
        linear-gradient(135deg,var(--midnight) 0%,var(--midnight-2) 100%);
      color:#fff8ef;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow);
    }
    .compact-cta-inner{
      display:grid;
      grid-template-columns:minmax(0,1fr) 390px;
      gap:28px;
      padding:34px;
      align-items:center;
    }
    .compact-cta h2{
      color:#fff8ef;
      font-size:30px;
      margin:0 0 12px;
    }
    .compact-cta p{
      color:rgba(255,248,239,.7);
      margin:0;
      max-width:680px;
    }
    .feedback-mini{
      display:grid;
      gap:12px;
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.14);
    }
    .feedback-mini label{
      color:rgba(255,248,239,.78);
      font-size:13px;
      font-weight:800;
      margin:0;
    }
    .feedback-mini input,
    .feedback-mini select,
    .feedback-mini textarea{
      width:100%;
      margin:0;
      border:1px solid rgba(255,255,255,.16);
      border-radius:16px;
      min-height:46px;
      padding:10px 13px;
      background:rgba(255,255,255,.1);
      color:#fff8ef;
      box-shadow:none;
    }
    .feedback-mini textarea{
      min-height:86px;
      resize:vertical;
    }
    .feedback-mini input::placeholder,
    .feedback-mini textarea::placeholder{color:rgba(255,248,239,.42)}
    .feedback-mini select option{color:#1f2433}
    .feedback-mini input:focus,
    .feedback-mini select:focus,
    .feedback-mini textarea:focus{
      border-color:rgba(31,212,216,.7);
      background:rgba(255,255,255,.14);
      box-shadow:0 0 0 4px rgba(31,212,216,.14);
    }

    .site-footer{
      background:var(--midnight);
      color:#fff8ef;
      padding:58px 0 28px;
      border-top:1px solid rgba(255,255,255,.12);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0,1.3fr) .7fr .7fr;
      gap:38px;
      margin-bottom:34px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-size:20px;
      font-weight:900;
      letter-spacing:-.03em;
      margin-bottom:16px;
    }
    .footer-desc{
      max-width:520px;
      color:rgba(255,248,239,.66);
      font-size:15px;
      line-height:1.85;
      margin:0;
    }
    .footer-col h3{
      color:#fff8ef;
      font-size:16px;
      margin:0 0 14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .footer-links a{
      color:rgba(255,248,239,.66);
      font-size:14px;
      font-weight:700;
    }
    .footer-links a:hover{
      color:var(--cyan);
      padding-left:4px;
    }
    .copyright{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      color:rgba(255,248,239,.5);
      font-size:13px;
      flex-wrap:wrap;
    }

    @media (max-width:1120px){
      .toolbar-menu{display:none}
      .menu-toggle{display:inline-flex}
      .article-title-wrap,
      .article-layout,
      .compact-cta-inner{
        grid-template-columns:1fr;
      }
      .article-sidebar{position:static}
      .hero-info-card{max-width:620px}
      .recommend-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 36px,var(--container))}
      .section{padding:62px 0}
      .toolbar{min-height:68px}
      .brand-title{max-width:190px}
      .brand-sub{display:none}
      .status-pill{display:none}
      .icon-button{display:none}
      .primary-cta{display:none!important}
      .article-hero-inner{padding:38px 0 48px}
      .article-summary{font-size:16px}
      .reader-card{padding:28px 22px;border-radius:26px}
      .article-content{font-size:16px}
      .article-content h2{font-size:25px}
      .article-content h3{font-size:21px}
      .recommend-grid{grid-template-columns:1fr}
      .recommend-head{display:grid}
      .compact-cta-inner{padding:26px 20px}
      .footer-grid{grid-template-columns:1fr;gap:26px}
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 30px,var(--container))}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .brand-title{font-size:14px;max-width:165px}
      .article-title-wrap h1{font-size:31px}
      .article-meta{align-items:stretch}
      .meta-chip,.badge{white-space:normal}
      .reader-card{padding:24px 18px}
      .recommend-panel{padding:22px 16px}
      .compact-cta h2{font-size:25px}
      .copyright{display:grid}
    }