/* roulang page: index */
:root{
      --bg:#fbf4ea;
      --bg-soft:#fffaf3;
      --panel:#ffffff;
      --panel-warm:#fff2df;
      --ink:#201b18;
      --ink-2:#3b312c;
      --muted:#746a62;
      --muted-2:#9a8f85;
      --line:#eadfD2;
      --line-dark:rgba(255,255,255,.16);
      --primary:#ff7a3d;
      --primary-2:#ffb25c;
      --primary-dark:#c94e20;
      --deep:#171311;
      --deep-2:#2a211d;
      --brown:#76523d;
      --violet:#6f6478;
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --shadow:0 20px 60px rgba(80,50,28,.13);
      --shadow-soft:0 14px 36px rgba(80,50,28,.09);
      --shadow-strong:0 26px 70px rgba(30,20,14,.22);
      --container:1200px;
      --header-h:74px;
      --ease:cubic-bezier(.2,.7,.2,1);
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      background:
        radial-gradient(circle at 8% 8%, rgba(255,178,92,.22), transparent 30%),
        radial-gradient(circle at 92% 18%, rgba(111,100,120,.14), transparent 28%),
        linear-gradient(180deg,var(--bg),#fffaf5 42%,#fbf4ea);
      color:var(--ink);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:none;background:none;cursor:pointer}
    :focus-visible{outline:3px solid rgba(255,122,61,.35);outline-offset:3px}
    ::selection{background:rgba(255,122,61,.24)}

    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border:1px solid rgba(255,122,61,.22);
      background:rgba(255,244,231,.88);
      color:var(--primary-dark);
      border-radius:999px;
      padding:7px 13px;
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 0 0 5px rgba(255,122,61,.12);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-title{margin-top:14px;font-size:clamp(28px,3vw,38px);line-height:1.22;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
    .section-desc{max-width:620px;color:var(--muted);font-size:17px}
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--ink);
      font-weight:800;
      transition:color .25s var(--ease), transform .25s var(--ease);
    }
    .text-link::after{content:"→";color:var(--primary);transition:transform .25s var(--ease)}
    .text-link:hover{color:var(--primary-dark)}
    .text-link:hover::after{transform:translateX(4px)}

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--header-h);
      background:rgba(255,250,243,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(234,223,210,.72);
      transition:box-shadow .25s var(--ease), background .25s var(--ease);
    }
    .site-header.is-scrolled{box-shadow:0 10px 32px rgba(61,40,24,.08);background:rgba(255,250,243,.94)}
    .nav-wrap{
      height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:11px;
      min-width:0;
      font-weight:850;
      letter-spacing:-.02em;
      color:var(--ink);
    }
    .brand-mark{
      width:40px;
      height:40px;
      border-radius:15px;
      background:linear-gradient(135deg,var(--deep),#3d2b23 52%,var(--primary));
      display:grid;
      place-items:center;
      box-shadow:0 12px 28px rgba(35,24,19,.18);
      flex:0 0 auto;
      position:relative;
      overflow:hidden;
    }
    .brand-mark::before{
      content:"";
      width:0;height:0;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      border-left:13px solid #fff7ed;
      transform:translateX(2px);
      z-index:1;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:-20%;
      background:radial-gradient(circle at 28% 20%, rgba(255,255,255,.36), transparent 28%);
    }
    .brand-text{font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-menu{display:flex;align-items:center;gap:6px}
    .nav-menu a{
      min-height:44px;
      display:inline-flex;
      align-items:center;
      padding:0 15px;
      border-radius:999px;
      color:var(--ink-2);
      font-weight:700;
      font-size:14px;
      transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
    }
    .nav-menu a:hover,.nav-menu a.active{background:var(--panel-warm);color:var(--primary-dark)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .quick-search{
      position:relative;
      width:210px;
      display:flex;
      align-items:center;
    }
    .quick-search input{
      width:100%;
      height:42px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.76);
      padding:0 42px 0 16px;
      color:var(--ink);
      outline:none;
      transition:border .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
    }
    .quick-search input:focus{border-color:rgba(255,122,61,.72);box-shadow:0 0 0 5px rgba(255,122,61,.12);background:#fff}
    .quick-search span{position:absolute;right:15px;color:var(--primary-dark);font-weight:900}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:15px;
      background:#fff7ed;
      align-items:center;
      justify-content:center;
      color:var(--ink);
    }
    .menu-toggle i,.menu-toggle i::before,.menu-toggle i::after{
      display:block;
      width:18px;height:2px;
      background:currentColor;
      border-radius:999px;
      transition:transform .25s var(--ease),opacity .25s var(--ease);
      position:relative;
    }
    .menu-toggle i::before,.menu-toggle i::after{content:"";position:absolute;left:0}
    .menu-toggle i::before{top:-6px}
    .menu-toggle i::after{top:6px}
    .menu-toggle.open i{background:transparent}
    .menu-toggle.open i::before{top:0;transform:rotate(45deg);background:var(--ink)}
    .menu-toggle.open i::after{top:0;transform:rotate(-45deg);background:var(--ink)}

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      font-weight:800;
      font-size:15px;
      transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      color:#fffaf4;
      background:linear-gradient(135deg,var(--primary),#f0642c);
      box-shadow:0 12px 26px rgba(255,122,61,.28);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,122,61,.34)}
    .btn-secondary{
      color:var(--ink);
      background:rgba(255,255,255,.76);
      border:1px solid var(--line);
    }
    .btn-secondary:hover{background:#fff2df;transform:translateY(-2px);box-shadow:var(--shadow-soft)}
    .btn-dark{
      color:#fff7ed;
      background:var(--deep);
      box-shadow:0 14px 30px rgba(23,19,17,.2);
    }
    .btn-dark:hover{transform:translateY(-2px);background:#241b17}

    .hero{
      position:relative;
      padding:54px 0 42px;
      overflow:hidden;
    }
    .hero-shell{
      position:relative;
      min-height:640px;
      border-radius:40px;
      overflow:hidden;
      background:
        linear-gradient(90deg,rgba(20,15,13,.94) 0%,rgba(28,20,17,.82) 45%,rgba(28,20,17,.30) 100%),
        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
      box-shadow:var(--shadow-strong);
      border:1px solid rgba(255,255,255,.12);
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg,rgba(255,255,255,.03),transparent 42%),
        repeating-linear-gradient(90deg,rgba(255,255,255,.025) 0 1px,transparent 1px 34px);
      pointer-events:none;
    }
    .hero-content{
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(420px,.98fr);
      gap:34px;
      align-items:end;
      padding:60px;
      min-height:640px;
    }
    .hero-copy{align-self:center;color:#fffaf3}
    .hero-kicker{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:22px;
    }
    .hero-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border-radius:999px;
      color:#ffe9d8;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(10px);
      font-size:13px;
      font-weight:800;
    }
    .hero-badge strong{color:var(--primary-2)}
    .hero h1{
      max-width:690px;
      font-size:clamp(34px,5.2vw,58px);
      line-height:1.14;
      font-weight:880;
      letter-spacing:-.045em;
      text-wrap:balance;
    }
    .hero h1 em{
      font-style:normal;
      color:#ffd1af;
      text-shadow:0 10px 26px rgba(255,122,61,.22);
    }
    .hero-subtitle{
      max-width:650px;
      margin-top:22px;
      color:rgba(255,250,243,.82);
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
    .hero-points{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:38px;
      max-width:690px;
    }
    .point-card{
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.13);
      backdrop-filter:blur(12px);
      min-height:112px;
    }
    .point-card b{display:block;color:#fff;font-size:20px;margin-bottom:5px}
    .point-card span{color:rgba(255,250,243,.72);font-size:13px;line-height:1.55}

    .cinema-board{
      align-self:end;
      position:relative;
      min-height:500px;
    }
    .screen-card{
      position:absolute;
      border-radius:28px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.16);
      box-shadow:0 24px 60px rgba(0,0,0,.34);
      background:var(--deep);
    }
    .screen-card img{width:100%;height:100%;object-fit:cover;filter:saturate(1.04) contrast(1.02)}
    .screen-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 32%,rgba(0,0,0,.82));
    }
    .screen-card.large{right:10px;bottom:30px;width:78%;height:360px}
    .screen-card.small{left:0;top:24px;width:52%;height:230px;transform:rotate(-4deg)}
    .screen-card.tall{right:0;top:0;width:36%;height:265px;transform:rotate(4deg)}
    .play-chip{
      position:absolute;
      z-index:3;
      left:24px;
      bottom:24px;
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
    }
    .play-dot{
      width:48px;height:48px;
      border-radius:50%;
      display:grid;place-items:center;
      background:rgba(255,122,61,.94);
      box-shadow:0 12px 28px rgba(255,122,61,.34);
    }
    .play-dot::before{
      content:"";
      width:0;height:0;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      border-left:13px solid #fff;
      transform:translateX(2px);
    }
    .play-chip p{font-weight:850;line-height:1.3}
    .play-chip small{display:block;color:rgba(255,255,255,.68);font-size:12px;margin-top:2px}
    .floating-note{
      position:absolute;
      z-index:4;
      right:52px;
      bottom:0;
      width:250px;
      padding:18px;
      border-radius:24px;
      background:rgba(255,250,243,.94);
      color:var(--ink);
      box-shadow:0 18px 44px rgba(0,0,0,.24);
    }
    .floating-note b{display:block;font-size:15px;margin-bottom:6px}
    .floating-note span{display:block;color:var(--muted);font-size:13px;line-height:1.55}

    .feature-layout{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:22px;
      align-items:stretch;
    }
    .feature-main{
      border-radius:var(--radius-xl);
      padding:34px;
      background:
        linear-gradient(145deg,rgba(255,250,243,.96),rgba(255,238,216,.86)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border:1px solid rgba(234,223,210,.8);
      box-shadow:var(--shadow);
      min-height:430px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      position:relative;
    }
    .feature-main::after{
      content:"";
      position:absolute;
      right:-70px;
      bottom:-80px;
      width:260px;
      height:260px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,122,61,.22),transparent 68%);
    }
    .feature-main h3{font-size:30px;line-height:1.25;margin:14px 0 14px;max-width:520px}
    .feature-main p{color:var(--muted);font-size:17px;max-width:560px}
    .feature-main-list{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:32px;
      position:relative;
      z-index:1;
    }
    .mini-metric{
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(234,223,210,.85);
    }
    .mini-metric strong{display:block;font-size:26px;color:var(--primary-dark);line-height:1.1}
    .mini-metric span{font-size:13px;color:var(--muted)}
    .feature-side{
      display:grid;
      gap:18px;
    }
    .feature-card{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:var(--shadow-soft);
      display:grid;
      grid-template-columns:54px 1fr;
      gap:16px;
      align-items:start;
      transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
    }
    .feature-card:nth-child(2){transform:translateX(28px)}
    .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,122,61,.28)}
    .feature-card:nth-child(2):hover{transform:translate(28px,-4px)}
    .icon-box{
      width:54px;height:54px;
      border-radius:18px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,#fff0df,#ffe0c8);
      color:var(--primary-dark);
      font-size:24px;
      font-weight:900;
    }
    .feature-card h3{font-size:20px;line-height:1.25;margin-bottom:6px}
    .feature-card p{color:var(--muted);font-size:15px;line-height:1.65}

    .showcase{
      background:linear-gradient(180deg,rgba(23,19,17,.98),#211915);
      color:#fffaf3;
      border-radius:42px;
      margin:0 20px;
      overflow:hidden;
      position:relative;
    }
    .showcase::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 15% 15%,rgba(255,122,61,.18),transparent 30%),
        radial-gradient(circle at 85% 10%,rgba(255,178,92,.11),transparent 26%),
        repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 42px);
      pointer-events:none;
    }
    .showcase .container{position:relative;z-index:1}
    .showcase .section-title{color:#fffaf3}
    .showcase .section-desc{color:rgba(255,250,243,.70)}
    .cover-grid{
      display:grid;
      grid-template-columns:1.25fr repeat(2,1fr);
      gap:18px;
    }
    .cover-card{
      min-height:330px;
      border-radius:28px;
      overflow:hidden;
      position:relative;
      border:1px solid rgba(255,255,255,.13);
      background:#2a211d;
      box-shadow:0 18px 50px rgba(0,0,0,.22);
      transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
    }
    .cover-card.big{grid-row:span 2;min-height:680px}
    .cover-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .45s var(--ease)}
    .cover-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(0,0,0,.08) 22%,rgba(0,0,0,.42) 58%,rgba(0,0,0,.86));
      transition:background .25s var(--ease);
    }
    .cover-card:hover{transform:translateY(-5px);border-color:rgba(255,178,92,.42);box-shadow:0 28px 70px rgba(0,0,0,.32)}
    .cover-card:hover img{transform:scale(1.055)}
    .cover-card:hover::after{background:linear-gradient(180deg,rgba(0,0,0,.04) 20%,rgba(0,0,0,.50) 54%,rgba(0,0,0,.92))}
    .cover-body{
      position:absolute;
      z-index:2;
      left:24px;
      right:24px;
      bottom:24px;
    }
    .tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
    .tag{
      display:inline-flex;
      align-items:center;
      height:28px;
      padding:0 10px;
      border-radius:999px;
      background:rgba(255,244,231,.16);
      border:1px solid rgba(255,255,255,.18);
      color:#ffe4cf;
      font-size:12px;
      font-weight:800;
      backdrop-filter:blur(10px);
    }
    .cover-body h3{font-size:clamp(19px,2vw,26px);line-height:1.25;margin-bottom:8px}
    .cover-body p{color:rgba(255,250,243,.72);font-size:14px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .cover-meta{
      margin-top:16px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:rgba(255,250,243,.68);
      font-size:13px;
    }
    .cover-arrow{
      width:38px;height:38px;
      border-radius:50%;
      display:grid;place-items:center;
      background:rgba(255,122,61,.95);
      color:#fff;
      transition:transform .25s var(--ease);
    }
    .cover-card:hover .cover-arrow{transform:translateX(4px)}

    .guide-wrap{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      padding:34px;
      position:relative;
      overflow:hidden;
    }
    .guide-wrap::before{
      content:"";
      position:absolute;
      left:44px;right:44px;top:92px;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--line),transparent);
    }
    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      position:relative;
      z-index:1;
    }
    .step{
      padding:22px;
      border-radius:24px;
      background:linear-gradient(180deg,#fffaf5,#fff6ef);
      border:1px solid rgba(234,223,210,.84);
      transition:transform .25s var(--ease),box-shadow .25s var(--ease);
    }
    .step:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
    .step-num{
      width:48px;height:48px;
      border-radius:18px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      color:#fff;
      font-weight:900;
      box-shadow:0 12px 26px rgba(255,122,61,.24);
      margin-bottom:18px;
    }
    .step h3{font-size:19px;margin-bottom:8px}
    .step p{font-size:14px;color:var(--muted);line-height:1.7}

    .insight-band{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:22px;
      align-items:stretch;
    }
    .insight-photo{
      min-height:420px;
      border-radius:var(--radius-xl);
      overflow:hidden;
      position:relative;
      box-shadow:var(--shadow);
      background:#211915;
    }
    .insight-photo img{width:100%;height:100%;object-fit:cover;filter:saturate(1.02)}
    .insight-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.06),rgba(0,0,0,.74))}
    .photo-caption{
      position:absolute;
      z-index:2;
      left:26px;
      right:26px;
      bottom:24px;
      color:#fffaf3;
    }
    .photo-caption b{display:block;font-size:22px;margin-bottom:5px}
    .photo-caption span{color:rgba(255,250,243,.72);font-size:14px}
    .evidence-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .evidence-card{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:var(--shadow-soft);
    }
    .evidence-card strong{
      display:block;
      font-size:32px;
      line-height:1;
      color:var(--primary-dark);
      margin-bottom:12px;
    }
    .evidence-card h3{font-size:19px;margin-bottom:6px}
    .evidence-card p{color:var(--muted);font-size:14px;line-height:1.7}

    .latest-panel{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:22px;
      align-items:start;
    }
    .latest-featured,.latest-list{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .latest-featured{min-height:100%;display:flex;flex-direction:column}
    .latest-media{
      height:238px;
      position:relative;
      overflow:hidden;
      background:linear-gradient(135deg,#251b17,#5e3a27);
    }
    .latest-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
    .latest-featured:hover .latest-media img{transform:scale(1.04)}
    .latest-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(0,0,0,.68))}
    .latest-featured-body{padding:26px}
    .cms-badge,.category-badge{
      display:inline-flex;
      align-items:center;
      max-width:100%;
      height:30px;
      padding:0 11px;
      border-radius:999px;
      background:#fff0df;
      color:var(--primary-dark);
      font-size:12px;
      font-weight:850;
      border:1px solid rgba(255,122,61,.18);
    }
    .latest-featured h3{
      margin:16px 0 10px;
      font-size:25px;
      line-height:1.32;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .latest-featured p,.news-item p{
      color:var(--muted);
      line-height:1.75;
      display:-webkit-box;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .latest-featured p{-webkit-line-clamp:3}
    .news-item p{-webkit-line-clamp:2;font-size:14px}
    .news-meta{
      margin-top:18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      color:var(--muted-2);
      font-size:13px;
    }
    .latest-list{padding:14px}
    .news-item{
      display:grid;
      grid-template-columns:118px 1fr;
      gap:16px;
      padding:14px;
      border-radius:22px;
      transition:background .25s var(--ease),transform .25s var(--ease);
    }
    .news-item + .news-item{border-top:1px solid rgba(234,223,210,.78)}
    .news-item:hover{background:#fff7ef;transform:translateX(3px)}
    .news-thumb{
      height:92px;
      border-radius:18px;
      overflow:hidden;
      background:#eadfd2;
      position:relative;
    }
    .news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
    .news-item:hover .news-thumb img{transform:scale(1.06)}
    .news-item h3{
      font-size:18px;
      line-height:1.35;
      margin:8px 0 5px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .news-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-top:10px;
      color:var(--muted-2);
      font-size:12px;
    }
    .empty-state{
      grid-column:1/-1;
      border:1px dashed rgba(255,122,61,.35);
      border-radius:var(--radius-xl);
      background:#fff8ef;
      padding:42px;
      text-align:center;
      color:var(--muted);
      box-shadow:var(--shadow-soft);
    }
    .empty-state .empty-icon{
      width:62px;height:62px;margin:0 auto 14px;
      border-radius:22px;
      display:grid;place-items:center;
      background:#fff0df;
      color:var(--primary-dark);
      font-size:28px;
      font-weight:900;
    }

    .faq-grid{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:26px;
      align-items:start;
    }
    .faq-intro{
      position:sticky;
      top:100px;
      padding:30px;
      border-radius:var(--radius-xl);
      color:#fffaf3;
      background:
        linear-gradient(145deg,rgba(23,19,17,.92),rgba(42,33,29,.86)),
        url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
      box-shadow:var(--shadow-strong);
      overflow:hidden;
    }
    .faq-intro h2{font-size:32px;line-height:1.24;margin:14px 0 12px}
    .faq-intro p{color:rgba(255,250,243,.72)}
    .faq-list{display:grid;gap:14px}
    .faq-item{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:22px;
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:border-color .25s var(--ease),background .25s var(--ease);
    }
    .faq-item.active{border-color:rgba(255,122,61,.35);background:#fff9f2}
    .faq-question{
      width:100%;
      min-height:66px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 22px;
      color:var(--ink);
      font-weight:850;
      text-align:left;
    }
    .faq-question span:first-child{font-size:17px}
    .faq-icon{
      flex:0 0 auto;
      width:32px;height:32px;
      border-radius:50%;
      display:grid;place-items:center;
      background:#fff0df;
      color:var(--primary-dark);
      transition:transform .25s var(--ease),background .25s var(--ease);
      font-weight:900;
    }
    .faq-item.active .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
    .faq-answer{
      display:none;
      padding:0 22px 22px;
      color:var(--muted);
      line-height:1.8;
    }
    .faq-item.active .faq-answer{display:block}

    .cta-panel{
      border-radius:36px;
      padding:42px;
      background:
        radial-gradient(circle at 12% 18%,rgba(255,178,92,.35),transparent 32%),
        linear-gradient(135deg,#fff5e9,#ffe7cf);
      border:1px solid rgba(255,122,61,.18);
      box-shadow:var(--shadow);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
      position:relative;
      overflow:hidden;
    }
    .cta-panel::after{
      content:"▶";
      position:absolute;
      right:34px;
      bottom:-44px;
      font-size:150px;
      color:rgba(255,122,61,.08);
      line-height:1;
    }
    .cta-panel h2{font-size:clamp(26px,3vw,36px);line-height:1.22;margin-bottom:8px}
    .cta-panel p{color:var(--muted);max-width:680px}
    .cta-actions{display:flex;align-items:center;gap:12px;position:relative;z-index:1}

    .site-footer{
      margin-top:40px;
      background:linear-gradient(180deg,#1b1512,#120f0d);
      color:rgba(255,250,243,.72);
      padding:58px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fffaf3;
      font-weight:850;
      font-size:18px;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{width:38px;height:38px;border:1px solid rgba(255,255,255,.12)}
    .footer-grid p{max-width:520px;font-size:14px;line-height:1.8}
    .footer-title{
      color:#fffaf3;
      font-weight:850;
      margin-bottom:14px;
      font-size:15px;
    }
    .footer-links{display:grid;gap:10px}
    .footer-links a{
      color:rgba(255,250,243,.70);
      font-size:14px;
      transition:color .22s var(--ease),transform .22s var(--ease);
    }
    .footer-links a:hover{color:var(--primary-2);transform:translateX(3px)}
    .footer-bottom{
      padding-top:22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:rgba(255,250,243,.52);
      font-size:13px;
    }

    @media (max-width:1100px){
      .quick-search{display:none}
      .hero-content{grid-template-columns:1fr;padding:46px;align-items:start}
      .cinema-board{min-height:430px}
      .screen-card.large{width:72%;height:310px}
      .screen-card.small{width:45%;height:205px}
      .screen-card.tall{width:32%;height:230px}
      .feature-layout,.latest-panel,.insight-band,.faq-grid{grid-template-columns:1fr}
      .feature-card:nth-child(2),.feature-card:nth-child(2):hover{transform:none}
      .steps{grid-template-columns:repeat(2,1fr)}
      .guide-wrap::before{display:none}
      .faq-intro{position:relative;top:auto}
    }
    @media (max-width:900px){
      .nav-menu{
        position:absolute;
        left:20px;
        right:20px;
        top:calc(var(--header-h) + 8px);
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        padding:14px;
        background:rgba(255,250,243,.98);
        border:1px solid var(--line);
        border-radius:24px;
        box-shadow:var(--shadow);
      }
      .nav-menu.open{display:flex}
      .nav-menu a{justify-content:center;width:100%;min-height:48px}
      .nav-actions .btn{display:none}
      .menu-toggle{display:flex}
      .hero-shell{border-radius:30px}
      .hero-points{grid-template-columns:1fr}
      .cover-grid{grid-template-columns:1fr 1fr}
      .cover-card.big{grid-column:1/-1;min-height:430px}
      .section-head{display:block}
      .section-desc{margin-top:12px}
    }
    @media (max-width:720px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:60px 0}
      .hero{padding:28px 0 20px}
      .hero-shell{min-height:auto;border-radius:26px}
      .hero-content{padding:30px;min-height:auto}
      .hero-subtitle{font-size:16px}
      .hero-actions{flex-direction:column}
      .hero-actions .btn{width:100%}
      .cinema-board{min-height:360px}
      .screen-card.large{width:86%;height:250px;right:0;bottom:28px}
      .screen-card.small{width:58%;height:170px}
      .screen-card.tall{width:39%;height:190px}
      .floating-note{left:18px;right:auto;width:230px}
      .feature-main-list,.evidence-grid,.steps,.cover-grid{grid-template-columns:1fr}
      .cover-card,.cover-card.big{min-height:360px}
      .showcase{margin:0 10px;border-radius:30px}
      .latest-panel{gap:16px}
      .news-item{grid-template-columns:92px 1fr;gap:12px;padding:12px}
      .news-thumb{height:82px}
      .latest-featured h3{font-size:21px}
      .cta-panel{display:block;padding:30px;border-radius:28px}
      .cta-actions{margin-top:22px;flex-direction:column;align-items:stretch}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:520px){
      :root{--header-h:68px}
      .brand-text{font-size:15px;max-width:230px}
      .brand-mark{width:36px;height:36px;border-radius:13px}
      .hero-content{padding:24px}
      .hero h1{font-size:31px}
      .hero-kicker{gap:8px}
      .hero-badge{font-size:12px}
      .cinema-board{min-height:300px}
      .screen-card.small{display:none}
      .screen-card.tall{height:158px}
      .screen-card.large{width:100%;height:224px}
      .floating-note{display:none}
      .feature-main,.guide-wrap,.faq-intro,.cta-panel{padding:24px}
      .feature-card{grid-template-columns:1fr;padding:22px}
      .cover-card,.cover-card.big{min-height:310px}
      .latest-media{height:205px}
      .news-item{grid-template-columns:1fr}
      .news-thumb{height:160px}
      .empty-state{padding:30px 18px}
    }

/* roulang page: article */
:root{
      --bg:#fbf4ea;
      --bg-soft:#fffaf3;
      --panel:#ffffff;
      --panel-warm:#fff2df;
      --ink:#201b18;
      --ink-2:#3b312c;
      --muted:#746a62;
      --muted-2:#9a8f85;
      --line:#eadfD2;
      --line-dark:rgba(255,255,255,.16);
      --primary:#ff7a3d;
      --primary-2:#ffb25c;
      --primary-dark:#c94e20;
      --deep:#171311;
      --deep-2:#2a211d;
      --brown:#76523d;
      --violet:#6f6478;
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --shadow:0 20px 60px rgba(80,50,28,.13);
      --shadow-soft:0 14px 36px rgba(80,50,28,.09);
      --shadow-strong:0 26px 70px rgba(30,20,14,.22);
      --container:1200px;
      --header-h:74px;
      --ease:cubic-bezier(.2,.7,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      background:
        radial-gradient(circle at 8% 8%, rgba(255,178,92,.22), transparent 30%),
        radial-gradient(circle at 92% 18%, rgba(111,100,120,.14), transparent 28%),
        linear-gradient(180deg,var(--bg),#fffaf5 42%,#fbf4ea);
      color:var(--ink);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:none;background:none;cursor:pointer}
    ::selection{background:rgba(255,122,61,.2);color:var(--ink)}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border:1px solid rgba(255,122,61,.22);
      background:rgba(255,244,231,.88);
      color:var(--primary-dark);
      border-radius:999px;
      padding:7px 13px;
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 0 0 5px rgba(255,122,61,.12);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-title{margin:14px 0 0;font-size:clamp(28px,3vw,38px);line-height:1.22;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
    .section-desc{max-width:620px;color:var(--muted);font-size:17px;margin:0}
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--ink);
      font-weight:800;
      transition:color .25s var(--ease), transform .25s var(--ease);
    }
    .text-link::after{content:"→";color:var(--primary);transition:transform .25s var(--ease)}
    .text-link:hover{color:var(--primary-dark)}
    .text-link:hover::after{transform:translateX(4px)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--header-h);
      background:rgba(255,250,243,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(234,223,210,.72);
      transition:box-shadow .25s var(--ease), background .25s var(--ease);
    }
    .site-header.is-scrolled{box-shadow:0 10px 32px rgba(61,40,24,.08);background:rgba(255,250,243,.94)}
    .nav-wrap{
      height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:11px;
      min-width:0;
      font-weight:850;
      letter-spacing:-.02em;
      color:var(--ink);
    }
    .brand-mark{
      width:40px;
      height:40px;
      border-radius:15px;
      background:linear-gradient(135deg,var(--deep),#3d2b23 52%,var(--primary));
      display:grid;
      place-items:center;
      box-shadow:0 12px 28px rgba(35,24,19,.18);
      flex:0 0 auto;
      position:relative;
      overflow:hidden;
    }
    .brand-mark::before{
      content:"";
      width:0;height:0;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      border-left:13px solid #fff7ed;
      transform:translateX(2px);
      z-index:1;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:-20%;
      background:radial-gradient(circle at 28% 20%, rgba(255,255,255,.36), transparent 28%);
    }
    .brand-text{font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-menu{display:flex;align-items:center;gap:6px}
    .nav-menu a{
      min-height:44px;
      display:inline-flex;
      align-items:center;
      padding:0 15px;
      border-radius:999px;
      color:var(--ink-2);
      font-weight:700;
      font-size:14px;
      transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
    }
    .nav-menu a:hover,.nav-menu a.active{background:var(--panel-warm);color:var(--primary-dark)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .quick-search{
      position:relative;
      width:210px;
      display:flex;
      align-items:center;
    }
    .quick-search input{
      width:100%;
      height:42px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.76);
      padding:0 42px 0 16px;
      color:var(--ink);
      outline:none;
      transition:border .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
    }
    .quick-search input:focus{border-color:rgba(255,122,61,.72);box-shadow:0 0 0 5px rgba(255,122,61,.12);background:#fff}
    .quick-search span{position:absolute;right:15px;color:var(--primary-dark);font-weight:900}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:15px;
      background:#fff7ed;
      align-items:center;
      justify-content:center;
      color:var(--ink);
    }
    .menu-toggle i,.menu-toggle i::before,.menu-toggle i::after{
      display:block;
      width:18px;height:2px;
      background:currentColor;
      border-radius:999px;
      transition:transform .25s var(--ease),opacity .25s var(--ease);
      position:relative;
    }
    .menu-toggle i::before,.menu-toggle i::after{content:"";position:absolute;left:0}
    .menu-toggle i::before{top:-6px}
    .menu-toggle i::after{top:6px}
    .menu-toggle.is-open i{background:transparent}
    .menu-toggle.is-open i::before{top:0;transform:rotate(45deg);background:var(--ink)}
    .menu-toggle.is-open i::after{top:0;transform:rotate(-45deg);background:var(--ink)}
    .btn-main,.btn-ghost{
      min-height:46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:999px;
      padding:0 20px;
      font-weight:800;
      transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);
      outline:none;
      white-space:nowrap;
    }
    .btn-main{
      color:#fffaf3;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 14px 30px rgba(255,122,61,.25);
    }
    .btn-main:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(255,122,61,.33);color:#fff}
    .btn-ghost{
      color:var(--ink);
      background:rgba(255,255,255,.7);
      border:1px solid var(--line);
    }
    .btn-ghost:hover{transform:translateY(-2px);background:var(--panel-warm);border-color:rgba(255,122,61,.25)}
    .btn-main:focus-visible,.btn-ghost:focus-visible,.nav-menu a:focus-visible,.text-link:focus-visible,.quick-search input:focus-visible,.menu-toggle:focus-visible{outline:3px solid rgba(255,122,61,.28);outline-offset:3px}
    .article-hero{
      position:relative;
      padding:54px 0 46px;
      overflow:hidden;
      background:
        linear-gradient(120deg,rgba(23,19,17,.88),rgba(42,33,29,.72)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff7ed;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .article-hero::after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:130px;
      background:linear-gradient(180deg,transparent,var(--bg));
      pointer-events:none;
    }
    .article-hero .container{position:relative;z-index:2}
    .breadcrumb-line{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:rgba(255,247,237,.72);
      font-size:14px;
      margin-bottom:24px;
    }
    .breadcrumb-line a{transition:color .22s var(--ease)}
    .breadcrumb-line a:hover{color:#fff}
    .breadcrumb-line span{color:rgba(255,247,237,.55)}
    .article-hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:34px;
      align-items:end;
    }
    .article-kicker{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:16px;
    }
    .badge-soft,.badge-dark{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      border-radius:999px;
      padding:5px 11px;
      font-size:13px;
      font-weight:800;
      letter-spacing:.01em;
    }
    .badge-soft{background:rgba(255,242,223,.92);color:var(--primary-dark);border:1px solid rgba(255,122,61,.18)}
    .badge-dark{background:rgba(255,255,255,.12);color:#fff7ed;border:1px solid rgba(255,255,255,.18)}
    .article-hero h1{
      max-width:890px;
      margin:0;
      font-size:clamp(32px,4.2vw,54px);
      line-height:1.18;
      font-weight:850;
      letter-spacing:-.035em;
      text-wrap:balance;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:12px 18px;
      margin-top:22px;
      color:rgba(255,247,237,.78);
      font-size:14px;
    }
    .article-meta span{
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .article-meta span::before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--primary-2);
      box-shadow:0 0 0 4px rgba(255,178,92,.14);
    }
    .hero-note{
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.09);
      backdrop-filter:blur(14px);
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:var(--shadow-strong);
    }
    .hero-note img{
      width:100%;
      aspect-ratio:16/10;
      object-fit:cover;
      border-radius:18px;
      margin-bottom:16px;
      filter:saturate(1.04) contrast(1.04);
    }
    .hero-note p{margin:0;color:rgba(255,247,237,.78);font-size:14px}
    .reading-shell{
      display:grid;
      grid-template-columns:minmax(0,820px) 320px;
      gap:34px;
      align-items:start;
      padding-top:62px;
    }
    .article-main{
      min-width:0;
    }
    .summary-card{
      background:linear-gradient(135deg,#fffaf3,#fff);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:24px 26px;
      box-shadow:var(--shadow-soft);
      position:relative;
      overflow:hidden;
      margin-bottom:24px;
    }
    .summary-card::before{
      content:"";
      position:absolute;
      left:0;top:22px;bottom:22px;
      width:5px;
      border-radius:999px;
      background:linear-gradient(180deg,var(--primary),var(--primary-2));
    }
    .summary-card strong{
      display:block;
      margin-bottom:8px;
      font-size:16px;
      color:var(--ink);
    }
    .summary-card p{
      margin:0;
      color:var(--muted);
      font-size:16px;
      line-height:1.85;
    }
    .article-content{
      background:rgba(255,255,255,.82);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      padding:40px 42px;
      box-shadow:var(--shadow);
    }
    .article-content h2{
      margin:38px 0 16px;
      font-size:28px;
      line-height:1.32;
      font-weight:820;
      color:var(--ink);
      letter-spacing:-.02em;
    }
    .article-content h2:first-child{margin-top:0}
    .article-content h3{
      margin:30px 0 12px;
      font-size:22px;
      line-height:1.38;
      font-weight:780;
      color:var(--ink-2);
    }
    .article-content p{
      margin:0 0 18px;
      color:#3f362f;
      font-size:17px;
      line-height:1.92;
    }
    .article-content a{
      color:var(--primary-dark);
      font-weight:800;
      text-decoration:underline;
      text-decoration-color:rgba(255,122,61,.28);
      text-underline-offset:4px;
      transition:color .22s var(--ease),text-decoration-color .22s var(--ease);
    }
    .article-content a:hover{color:var(--primary);text-decoration-color:var(--primary)}
    .article-content ul,.article-content ol{
      margin:0 0 22px 0;
      padding-left:1.35em;
      color:#3f362f;
      font-size:17px;
      line-height:1.88;
    }
    .article-content li{margin:8px 0}
    .article-content blockquote{
      margin:28px 0;
      padding:20px 22px;
      border-left:5px solid var(--primary);
      border-radius:0 18px 18px 0;
      background:var(--panel-warm);
      color:var(--ink-2);
      font-weight:650;
    }
    .article-content img{
      width:100%;
      border-radius:18px;
      margin:28px 0 8px;
      box-shadow:0 16px 40px rgba(65,40,24,.12);
    }
    .article-content figure{margin:28px 0}
    .article-content figcaption{
      text-align:center;
      color:var(--muted-2);
      font-size:13px;
      margin-top:8px;
    }
    .article-content table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:16px;
      margin:28px 0;
      background:#fff;
    }
    .article-content th,.article-content td{
      padding:13px 15px;
      border-bottom:1px solid var(--line);
      color:var(--ink-2);
    }
    .article-content th{background:var(--panel-warm);font-weight:800}
    .article-content tr:last-child th,.article-content tr:last-child td{border-bottom:none}
    .not-found-card{
      text-align:center;
      padding:54px 28px;
      background:linear-gradient(135deg,#fffaf3,#fff);
      border:1px dashed rgba(255,122,61,.42);
      border-radius:var(--radius-lg);
    }
    .not-found-icon{
      width:64px;height:64px;
      border-radius:24px;
      margin:0 auto 18px;
      background:linear-gradient(135deg,var(--deep),var(--primary));
      display:grid;
      place-items:center;
      color:#fff;
      box-shadow:0 18px 38px rgba(255,122,61,.22);
    }
    .not-found-icon::before{
      content:"";
      width:0;height:0;
      border-top:11px solid transparent;
      border-bottom:11px solid transparent;
      border-left:17px solid #fff7ed;
      transform:translateX(2px);
    }
    .not-found-card h2{margin:0 0 12px;font-size:28px}
    .not-found-card p{margin:0 auto 22px;max-width:520px;color:var(--muted)}
    .article-sidebar{
      position:sticky;
      top:calc(var(--header-h) + 22px);
      display:grid;
      gap:18px;
    }
    .side-card{
      background:rgba(255,255,255,.78);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .side-card.dark{
      background:linear-gradient(135deg,var(--deep),var(--deep-2));
      color:#fff7ed;
      border-color:rgba(255,255,255,.12);
      box-shadow:var(--shadow-strong);
    }
    .side-title{
      margin:0 0 14px;
      font-size:18px;
      font-weight:850;
      letter-spacing:-.01em;
    }
    .toc-list,.side-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .toc-list a,.side-list a{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:11px 12px;
      border-radius:14px;
      color:var(--ink-2);
      background:rgba(255,250,243,.66);
      border:1px solid transparent;
      transition:background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),color .22s var(--ease);
    }
    .toc-list a:hover,.side-list a:hover{
      background:var(--panel-warm);
      border-color:rgba(255,122,61,.18);
      color:var(--primary-dark);
      transform:translateX(3px);
    }
    .toc-list a::before,.side-list a::before{
      content:"";
      width:7px;height:7px;
      margin-top:9px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      flex:0 0 auto;
    }
    .side-card.dark .side-list a{
      color:rgba(255,247,237,.86);
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.08);
    }
    .side-card.dark .side-list a:hover{
      color:#fff;
      background:rgba(255,122,61,.18);
      border-color:rgba(255,178,92,.28);
    }
    .cover-mini{
      position:relative;
      border-radius:18px;
      overflow:hidden;
      margin-bottom:15px;
      background:var(--deep);
    }
    .cover-mini img{
      width:100%;
      aspect-ratio:16/10;
      object-fit:cover;
      opacity:.84;
      transition:transform .35s var(--ease),opacity .35s var(--ease);
    }
    .cover-mini:hover img{transform:scale(1.04);opacity:1}
    .cover-mini span{
      position:absolute;
      left:14px;
      bottom:14px;
      right:14px;
      color:#fff7ed;
      font-weight:850;
      text-shadow:0 2px 12px rgba(0,0,0,.42);
    }
    .guide-steps{
      display:grid;
      gap:12px;
      margin-top:8px;
    }
    .guide-step{
      display:grid;
      grid-template-columns:34px 1fr;
      gap:12px;
      align-items:start;
    }
    .guide-step b{
      width:34px;height:34px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      color:#fff;
      font-size:14px;
      box-shadow:0 9px 20px rgba(255,122,61,.24);
    }
    .guide-step p{margin:2px 0 0;color:var(--muted);font-size:14px;line-height:1.65}
    .guide-step strong{display:block;color:var(--ink);font-size:15px}
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .related-card{
      background:rgba(255,255,255,.78);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:20px;
      box-shadow:var(--shadow-soft);
      transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
    }
    .related-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:rgba(255,122,61,.24);
    }
    .related-card .badge-soft{margin-bottom:13px}
    .related-card h3{font-size:20px;line-height:1.35;margin:0 0 10px;font-weight:820}
    .related-card p{color:var(--muted);margin:0 0 16px;font-size:15px;line-height:1.7}
    .faq-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) minmax(0,1fr);
      gap:16px;
    }
    .faq-item{
      background:rgba(255,255,255,.78);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
    }
    .faq-item.is-open{border-color:rgba(255,122,61,.28);box-shadow:var(--shadow)}
    .faq-q{
      width:100%;
      min-height:58px;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:var(--ink);
      font-weight:850;
      text-align:left;
    }
    .faq-q span:last-child{
      width:30px;height:30px;
      border-radius:50%;
      background:var(--panel-warm);
      display:grid;
      place-items:center;
      color:var(--primary-dark);
      flex:0 0 auto;
      transition:transform .22s var(--ease),background .22s var(--ease);
    }
    .faq-item.is-open .faq-q span:last-child{transform:rotate(45deg);background:rgba(255,122,61,.18)}
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s var(--ease);
    }
    .faq-a p{
      margin:0;
      padding:0 20px 20px;
      color:var(--muted);
      line-height:1.78;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      background:
        radial-gradient(circle at 12% 10%,rgba(255,178,92,.34),transparent 30%),
        linear-gradient(135deg,#fff2df,#fffaf3);
      border:1px solid rgba(255,122,61,.18);
      border-radius:var(--radius-xl);
      padding:34px;
      box-shadow:var(--shadow);
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      right:-50px;
      top:-50px;
      width:190px;
      height:190px;
      border-radius:50%;
      border:28px solid rgba(255,122,61,.08);
      pointer-events:none;
    }
    .cta-panel h2{margin:0 0 8px;font-size:clamp(24px,3vw,34px);font-weight:850;letter-spacing:-.02em}
    .cta-panel p{margin:0;color:var(--muted);max-width:700px}
    .cta-actions{display:flex;gap:12px;align-items:center;position:relative;z-index:1}
    .site-footer{
      margin-top:40px;
      padding:56px 0 26px;
      background:linear-gradient(180deg,var(--deep),#100d0c);
      color:rgba(255,247,237,.78);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .75fr .75fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff7ed;
      font-size:19px;
      font-weight:850;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{box-shadow:none}
    .footer-grid p{max-width:520px;margin:0;color:rgba(255,247,237,.68)}
    .footer-title{
      color:#fff7ed;
      font-weight:850;
      margin-bottom:13px;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:rgba(255,247,237,.68);
      transition:color .22s var(--ease),transform .22s var(--ease);
    }
    .footer-links a:hover{
      color:var(--primary-2);
      transform:translateX(3px);
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:22px;
      color:rgba(255,247,237,.52);
      font-size:14px;
    }
    .reading-progress{
      position:fixed;
      top:0;
      left:0;
      height:3px;
      width:0;
      background:linear-gradient(90deg,var(--primary),var(--primary-2));
      z-index:80;
      box-shadow:0 0 16px rgba(255,122,61,.38);
    }
    @media (max-width:1100px){
      .quick-search{display:none}
      .article-hero-grid{grid-template-columns:1fr}
      .hero-note{max-width:520px}
      .reading-shell{grid-template-columns:minmax(0,1fr)}
      .article-sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .side-card:first-child{grid-column:1/-1}
      .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:900px){
      :root{--header-h:68px}
      .menu-toggle{display:flex}
      .nav-menu{
        position:absolute;
        left:20px;
        right:20px;
        top:calc(var(--header-h) + 10px);
        display:grid;
        gap:8px;
        padding:14px;
        background:rgba(255,250,243,.96);
        border:1px solid var(--line);
        border-radius:22px;
        box-shadow:var(--shadow);
        transform:translateY(-10px);
        opacity:0;
        pointer-events:none;
        transition:opacity .24s var(--ease),transform .24s var(--ease);
      }
      .nav-menu.is-open{
        transform:translateY(0);
        opacity:1;
        pointer-events:auto;
      }
      .nav-menu a{
        width:100%;
        justify-content:flex-start;
        border-radius:16px;
        padding:0 14px;
      }
      .section{padding:68px 0}
      .section-tight{padding:52px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
      .cta-panel{grid-template-columns:1fr}
      .cta-actions{flex-wrap:wrap}
    }
    @media (max-width:720px){
      .container{width:min(100% - 28px,var(--container))}
      .brand-text{font-size:16px;max-width:210px}
      .article-hero{padding:36px 0 38px}
      .breadcrumb-line{font-size:13px;margin-bottom:18px}
      .article-meta{gap:8px 12px}
      .article-content{padding:28px 22px;border-radius:24px}
      .summary-card{padding:22px}
      .article-content h2{font-size:24px}
      .article-content h3{font-size:20px}
      .article-content p,.article-content ul,.article-content ol{font-size:16px;line-height:1.86}
      .article-sidebar{grid-template-columns:1fr}
      .related-grid{grid-template-columns:1fr}
      .faq-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .nav-actions{gap:8px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-text{max-width:168px}
      .hero-note{padding:16px}
      .btn-main,.btn-ghost{width:100%;padding:0 16px}
      .cta-actions{width:100%}
      .cta-panel{padding:26px 20px;border-radius:24px}
      .section{padding:54px 0}
      .section-tight{padding:42px 0}
      .article-content{padding:24px 18px}
      .summary-card p{font-size:15px}
      .footer-bottom{display:grid}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}