/* roulang page: index */
:root{
      --bg:#f7f5f2;
      --bg-soft:#fffdfa;
      --ink:#15151c;
      --ink-2:#30303a;
      --muted:#71717e;
      --muted-2:#a2a2ad;
      --dark:#101014;
      --dark-2:#181820;
      --purple:#7c3aed;
      --purple-2:#8b5cf6;
      --purple-soft:#eee7ff;
      --amber:#f59e0b;
      --amber-soft:#fff3d8;
      --line:#e4dff0;
      --line-dark:rgba(255,255,255,.14);
      --shadow:0 18px 55px rgba(21,21,28,.10);
      --shadow-hover:0 24px 70px rgba(124,58,237,.18);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1200px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-width:320px;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 3%,rgba(124,58,237,.10),transparent 30%),
        radial-gradient(circle at 94% 16%,rgba(245,158,11,.10),transparent 28%),
        var(--bg);
      line-height:1.78;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0;background:none}
    :focus-visible{outline:3px solid rgba(245,158,11,.55);outline-offset:4px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:86px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;
      background:var(--purple-soft);color:#5b21b6;
      font-size:13px;font-weight:700;letter-spacing:.02em;
    }
    .eyebrow.dark{background:rgba(255,255,255,.10);color:#ffd58b;border:1px solid var(--line-dark)}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-title{max-width:760px}
    .section-title h2{font-size:34px;line-height:1.22;font-weight:800;letter-spacing:-.02em;margin-top:14px}
    .section-title p{margin-top:12px;color:var(--muted);font-size:17px;max-width:760px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:12px 20px;border-radius:999px;
      font-weight:800;transition:var(--ease);white-space:nowrap;
      border:1px solid transparent;
    }
    .btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--purple),var(--purple-2) 58%,#a855f7);
      box-shadow:0 12px 30px rgba(124,58,237,.26);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(124,58,237,.34);filter:brightness(1.04)}
    .btn-secondary{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:0 8px 24px rgba(16,16,20,.05)}
    .btn-secondary:hover{transform:translateY(-2px);border-color:#c8b6ff;background:#fbf8ff}
    .btn-dark{background:rgba(255,255,255,.10);border-color:var(--line-dark);color:#fff}
    .btn-dark:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(16,16,20,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .logo{display:flex;align-items:center;gap:12px;color:#fff;min-width:max-content}
    .logo-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(135deg,var(--amber),var(--purple));
      display:grid;place-items:center;font-weight:900;color:#fff;
      box-shadow:0 12px 28px rgba(124,58,237,.25);
    }
    .logo-text strong{display:block;font-size:17px;line-height:1.1}
    .logo-text span{display:block;font-size:12px;color:#c9c6d4;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
    .nav-links a{
      color:#dedbe8;font-size:14px;font-weight:700;
      padding:10px 13px;border-radius:999px;transition:var(--ease)
    }
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.10)}
    .nav-cta{display:flex;align-items:center;gap:12px}
    .menu-toggle{
      display:none;width:46px;height:46px;border-radius:14px;
      color:#fff;background:rgba(255,255,255,.10);border:1px solid var(--line-dark)
    }
    .menu-toggle span{display:block;width:19px;height:2px;background:#fff;margin:5px auto;border-radius:3px;transition:var(--ease)}
    .hero{
      position:relative;color:#fff;overflow:hidden;
      background:
        linear-gradient(115deg,rgba(16,16,20,.92),rgba(16,16,20,.72)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero:before{
      content:"";position:absolute;inset:0;
      background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
      background-size:34px 34px;mask-image:linear-gradient(to bottom,#000,transparent 82%);
      pointer-events:none;
    }
    .hero-inner{position:relative;padding:92px 0 64px}
    .hero-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
    .hero-copy h1{font-size:52px;line-height:1.15;font-weight:900;letter-spacing:-.04em;margin:18px 0 18px;max-width:680px}
    .hero-copy p{font-size:18px;color:#e5e2ef;max-width:690px;line-height:1.9}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
    .hero-note{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;color:#d5d1df;font-size:14px}
    .hero-note span{display:inline-flex;align-items:center;gap:7px}
    .dot{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 5px rgba(245,158,11,.16)}
    .cinema-board{
      border:1px solid rgba(255,255,255,.16);
      background:linear-gradient(180deg,rgba(255,255,255,.13),rgba(255,255,255,.07));
      border-radius:32px;padding:18px;box-shadow:0 26px 80px rgba(0,0,0,.35);
      transform:rotate(1.2deg);
    }
    .screen{
      min-height:430px;border-radius:24px;overflow:hidden;position:relative;
      background:url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
    }
    .screen:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(16,16,20,.88),rgba(16,16,20,.22) 60%,rgba(124,58,237,.18))}
    .screen-content{position:absolute;inset:auto 20px 20px;z-index:2}
    .screen-title{font-size:26px;font-weight:900;line-height:1.25}
    .screen-list{display:grid;gap:10px;margin-top:18px}
    .screen-item{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(10px)
    }
    .screen-item b{font-size:14px}.screen-item span{font-size:12px;color:#ffd58b}
    .quickbar{margin-top:-34px;position:relative;z-index:3}
    .quick-grid{
      display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
      padding:18px;background:rgba(255,253,250,.92);border:1px solid var(--line);
      border-radius:26px;box-shadow:var(--shadow);backdrop-filter:blur(18px)
    }
    .quick-item{padding:18px;border-radius:18px;background:#fff;border:1px solid rgba(228,223,240,.78)}
    .quick-item strong{display:block;font-size:26px;line-height:1;color:var(--purple);margin-bottom:8px}
    .quick-item span{color:var(--muted);font-size:14px}
    .guide-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:34px;align-items:start}
    .guide-panel{
      position:sticky;top:98px;border-radius:var(--radius-xl);
      padding:32px;background:var(--dark);color:#fff;overflow:hidden;
      box-shadow:var(--shadow)
    }
    .guide-panel:after{
      content:"";position:absolute;right:-80px;bottom:-90px;width:230px;height:230px;
      border-radius:50%;background:rgba(124,58,237,.38);filter:blur(8px)
    }
    .guide-panel h2{font-size:32px;line-height:1.25;margin:14px 0}
    .guide-panel p{color:#d9d6e2}
    .ticket-list{display:grid;gap:18px}
    .ticket{
      position:relative;display:grid;grid-template-columns:72px 1fr;gap:18px;
      padding:24px;border-radius:24px;background:#fff;border:1px solid var(--line);
      box-shadow:0 12px 38px rgba(16,16,20,.06);transition:var(--ease);overflow:hidden
    }
    .ticket:before,.ticket:after{
      content:"";position:absolute;top:50%;width:26px;height:26px;border-radius:50%;
      background:var(--bg);border:1px solid var(--line);transform:translateY(-50%)
    }
    .ticket:before{left:-14px}.ticket:after{right:-14px}
    .ticket:hover{transform:translateY(-3px);border-color:#c8b6ff;box-shadow:var(--shadow-hover)}
    .ticket-no{
      width:58px;height:58px;border-radius:18px;background:var(--purple-soft);
      color:#5b21b6;display:grid;place-items:center;font-weight:900;font-size:20px
    }
    .ticket h3{font-size:21px;margin-bottom:6px}.ticket p{color:var(--muted)}
    .feature-grid{
      display:grid;grid-template-columns:1.1fr .9fr;grid-template-rows:auto auto;gap:18px
    }
    .feature-card{
      position:relative;overflow:hidden;border-radius:var(--radius-xl);
      background:#fff;border:1px solid var(--line);box-shadow:0 12px 40px rgba(16,16,20,.06);
      transition:var(--ease)
    }
    .feature-card:hover{transform:translateY(-4px);border-color:#c8b6ff;box-shadow:var(--shadow-hover)}
    .feature-card.large{grid-row:span 2;min-height:520px}
    .feature-img{height:270px;overflow:hidden}.feature-card.large .feature-img{height:320px}
    .feature-img img{width:100%;height:100%;object-fit:cover;transition:var(--ease)}
    .feature-card:hover img{transform:scale(1.035)}
    .feature-body{padding:26px}
    .feature-body h3{font-size:23px;margin:10px 0 8px}.feature-body p{color:var(--muted)}
    .card-link{display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:#6d28d9;font-weight:900}
    .card-link:hover{color:#4c1d95;text-decoration:underline;text-underline-offset:4px}
    .updates{background:#fffdfa;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .updates-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:22px;align-items:stretch}
    .post-main,.post-list-card,.empty-state{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
      box-shadow:0 14px 46px rgba(16,16,20,.06)
    }
    .post-main{overflow:hidden}
    .post-cover{height:245px;background:#161620;overflow:hidden}
    .post-cover img{width:100%;height:100%;object-fit:cover;transition:var(--ease)}
    .post-main:hover .post-cover img{transform:scale(1.035)}
    .post-content{padding:28px}
    .post-meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:10px}
    .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;background:var(--purple-soft);color:#5b21b6;font-size:12px;font-weight:800}
    .tag.amber{background:var(--amber-soft);color:#92400e}
    .post-content h3{font-size:25px;line-height:1.35;margin-bottom:10px}
    .post-content p{color:var(--muted)}
    .post-list-card{padding:18px;display:grid;gap:12px}
    .post-row{
      display:grid;grid-template-columns:1fr auto;gap:14px;
      padding:17px;border-radius:18px;border:1px solid transparent;background:#fbfaf8;
      transition:var(--ease)
    }
    .post-row:hover{background:#fff;border-color:#c8b6ff;transform:translateX(3px)}
    .post-row h3{font-size:17px;line-height:1.45;margin-bottom:5px}
    .post-row p{font-size:14px;color:var(--muted);line-height:1.65}
    .post-row time{font-size:12px;color:var(--muted-2);white-space:nowrap}
    .empty-state{grid-column:1/-1;padding:44px;text-align:center}
    .empty-icon{width:74px;height:74px;border-radius:24px;margin:0 auto 18px;display:grid;place-items:center;background:var(--purple-soft);color:#5b21b6;font-size:30px}
    .device-band{
      color:#fff;background:
        linear-gradient(120deg,rgba(16,16,20,.94),rgba(24,24,32,.88)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-radius:34px;overflow:hidden;padding:44px;display:grid;grid-template-columns:1fr .9fr;gap:30px;align-items:center
    }
    .device-band h2{font-size:34px;line-height:1.25;margin:14px 0}.device-band p{color:#dedbe8}
    .device-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .device-points div{padding:16px;border:1px solid var(--line-dark);border-radius:18px;background:rgba(255,255,255,.08)}
    .device-points b{display:block;color:#ffd58b;margin-bottom:4px}
    .mock-window{
      border-radius:28px;padding:14px;background:rgba(255,255,255,.10);
      border:1px solid var(--line-dark);box-shadow:0 28px 70px rgba(0,0,0,.28)
    }
    .mock-window img{border-radius:20px;width:100%;height:310px;object-fit:cover}
    .search-box{
      margin-top:28px;display:flex;gap:10px;padding:8px;border-radius:999px;background:#fff;border:1px solid var(--line);
      box-shadow:0 12px 36px rgba(16,16,20,.06);max-width:620px
    }
    .search-box input{flex:1;border:0;outline:0;padding:0 16px;background:transparent;color:var(--ink)}
    .search-box input::placeholder{color:var(--muted-2)}
    .search-box button{padding:11px 18px;border-radius:999px;background:var(--dark);color:#fff;font-weight:800;transition:var(--ease)}
    .search-box button:hover{background:var(--purple)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .faq-item{
      background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;
      transition:var(--ease);box-shadow:0 10px 34px rgba(16,16,20,.05)
    }
    .faq-item:hover{border-color:#c8b6ff}
    .faq-q{width:100%;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:22px;text-align:left;font-weight:900;color:var(--ink)}
    .faq-q i{width:26px;height:26px;border-radius:50%;background:var(--purple-soft);color:#5b21b6;display:grid;place-items:center;font-style:normal;transition:var(--ease);flex:0 0 auto}
    .faq-a{display:none;padding:0 22px 22px;color:var(--muted)}
    .faq-item.open{border-color:#bda7ff;background:#fff}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q i{transform:rotate(45deg);background:var(--purple);color:#fff}
    .cta{
      position:relative;overflow:hidden;border-radius:34px;padding:42px;
      background:linear-gradient(135deg,var(--purple),#4c1d95 68%,var(--dark));
      color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px
    }
    .cta:after{content:"";position:absolute;right:70px;top:-70px;width:230px;height:230px;border-radius:50%;background:rgba(245,158,11,.28);filter:blur(6px)}
    .cta h2{font-size:32px;line-height:1.25;margin-bottom:10px}.cta p{color:#eee9ff;max-width:720px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
    .site-footer{background:var(--dark);color:#d8d5df;padding:56px 0 26px}
    .footer-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:30px;padding-bottom:34px;border-bottom:1px solid var(--line-dark)}
    .footer-brand strong{display:block;color:#fff;font-size:22px;margin-bottom:12px}.footer-brand p{color:#bdb8ca;max-width:520px}
    .footer-col h3{color:#fff;font-size:16px;margin-bottom:12px}
    .footer-col a{display:block;color:#bdb8ca;padding:5px 0;transition:var(--ease)}
    .footer-col a:hover{color:#ffd58b;transform:translateX(3px)}
    .copyright{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:24px;color:#9d98aa;font-size:14px}
    @media (max-width:1024px){
      .hero-layout,.guide-wrap,.updates-layout,.device-band{grid-template-columns:1fr}
      .guide-panel{position:relative;top:auto}
      .quick-grid{grid-template-columns:repeat(2,1fr)}
      .feature-grid{grid-template-columns:1fr}.feature-card.large{min-height:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:820px){
      .nav-links,.nav-cta{display:none}
      .menu-toggle{display:block}
      .nav.open{height:auto;align-items:flex-start;padding:14px 0;flex-wrap:wrap}
      .nav.open .nav-links{display:flex;order:3;width:100%;flex-direction:column;align-items:stretch;background:rgba(255,255,255,.06);border:1px solid var(--line-dark);border-radius:18px;padding:10px}
      .nav.open .nav-links a{padding:13px 14px}
      .hero-inner{padding:70px 0 52px}
      .hero-copy h1{font-size:38px}
      .section{padding:64px 0}
      .section-head{display:block}.section-head .btn{margin-top:18px}
      .faq-grid,.device-points{grid-template-columns:1fr}
      .cta{display:block}.cta-actions{margin-top:24px}
    }
    @media (max-width:560px){
      .container{width:min(100% - 28px,var(--container))}
      .nav{height:66px}.logo-text strong{font-size:15px}.logo-text span{font-size:11px}
      .hero-copy h1{font-size:32px}.hero-copy p{font-size:16px}
      .hero-actions .btn,.cta-actions .btn{width:100%}
      .cinema-board{padding:10px;border-radius:24px;transform:none}.screen{min-height:360px;border-radius:18px}
      .quick-grid{grid-template-columns:1fr;padding:12px}
      .ticket{grid-template-columns:1fr;padding:20px}
      .section-title h2,.guide-panel h2,.device-band h2,.cta h2{font-size:27px}
      .post-row{grid-template-columns:1fr}.post-row time{white-space:normal}
      .device-band,.cta{padding:26px;border-radius:24px}
      .search-box{border-radius:22px;display:grid}.search-box button{width:100%}
      .footer-grid{grid-template-columns:1fr}.copyright{display:block}
    }

/* roulang page: article */
:root{
      --bg:#f7f5f2;
      --bg-soft:#fffdfa;
      --ink:#15151c;
      --ink-2:#30303a;
      --muted:#71717e;
      --muted-2:#a2a2ad;
      --dark:#101014;
      --dark-2:#181820;
      --purple:#7c3aed;
      --purple-2:#8b5cf6;
      --purple-soft:#eee7ff;
      --amber:#f59e0b;
      --amber-soft:#fff3d8;
      --line:#e4dff0;
      --line-dark:rgba(255,255,255,.14);
      --shadow:0 18px 55px rgba(21,21,28,.10);
      --shadow-hover:0 24px 70px rgba(124,58,237,.18);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1200px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      min-width:320px;
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 3%,rgba(124,58,237,.10),transparent 30%),
        radial-gradient(circle at 94% 16%,rgba(245,158,11,.10),transparent 28%),
        var(--bg);
      line-height:1.78;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0;background:none}
    ::selection{background:rgba(124,58,237,.22)}
    :focus-visible{outline:3px solid rgba(245,158,11,.58);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:82px 0}
    .section-tight{padding:56px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;
      background:var(--purple-soft);color:#5b21b6;
      font-size:13px;font-weight:800;letter-spacing:.02em;
    }
    .eyebrow.dark{background:rgba(255,255,255,.10);color:#ffd58b;border:1px solid var(--line-dark)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:12px 20px;border-radius:999px;
      font-weight:800;transition:var(--ease);white-space:nowrap;
      border:1px solid transparent;
    }
    .btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--purple),var(--purple-2) 58%,#a855f7);
      box-shadow:0 12px 30px rgba(124,58,237,.26);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(124,58,237,.34);filter:brightness(1.04);color:#fff}
    .btn-secondary{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:0 8px 24px rgba(16,16,20,.05)}
    .btn-secondary:hover{transform:translateY(-2px);border-color:#c8b6ff;background:#fbf8ff;color:var(--ink)}
    .btn-dark{background:rgba(255,255,255,.10);border-color:var(--line-dark);color:#fff}
    .btn-dark:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);color:#fff}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(16,16,20,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .logo{display:flex;align-items:center;gap:12px;color:#fff;min-width:max-content}
    .logo-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(135deg,var(--amber),var(--purple));
      display:grid;place-items:center;font-weight:900;color:#fff;
      box-shadow:0 12px 28px rgba(124,58,237,.25);
    }
    .logo-text strong{display:block;font-size:17px;line-height:1.1}
    .logo-text span{display:block;font-size:12px;color:#c9c6d4;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
    .nav-links a{
      color:#dedbe8;font-size:14px;font-weight:700;
      padding:10px 13px;border-radius:999px;transition:var(--ease)
    }
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.10)}
    .nav-cta{display:flex;align-items:center;gap:12px}
    .menu-toggle{
      display:none;width:46px;height:46px;border-radius:14px;
      color:#fff;background:rgba(255,255,255,.10);border:1px solid var(--line-dark)
    }
    .menu-toggle span{display:block;width:19px;height:2px;background:#fff;margin:5px auto;border-radius:3px;transition:var(--ease)}
    .menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .menu-toggle.is-open span:nth-child(2){opacity:0}
    .menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

    .article-hero{
      position:relative;
      overflow:hidden;
      color:#fff;
      background:
        linear-gradient(110deg,rgba(16,16,20,.94),rgba(16,16,20,.78)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }
    .article-hero:before{
      content:"";position:absolute;inset:0;
      background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
      background-size:34px 34px;mask-image:linear-gradient(to bottom,#000,transparent 84%);
      pointer-events:none;
    }
    .article-hero-inner{position:relative;padding:62px 0 48px}
    .breadcrumb{
      display:flex;align-items:center;flex-wrap:wrap;gap:8px;
      margin:0 0 22px;padding:0;background:transparent;color:#d6d1e2;
      font-size:14px;
    }
    .breadcrumb a{transition:var(--ease)}
    .breadcrumb a:hover{color:#ffd58b}
    .breadcrumb span{color:#a9a4b8}
    .article-head-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:38px;
      align-items:end;
    }
    .article-title-wrap h1{
      margin:18px 0 18px;
      font-size:46px;
      line-height:1.18;
      font-weight:900;
      letter-spacing:-.035em;
      max-width:860px;
    }
    .article-lead{
      max-width:850px;
      color:#e8e3f1;
      font-size:17px;
      line-height:1.9;
      margin:0;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .meta-pill{
      display:inline-flex;align-items:center;gap:7px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.14);
      color:#eeeaf8;
      font-size:13px;
      font-weight:700;
    }
    .cover-card{
      border-radius:var(--radius-xl);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.08);
      box-shadow:0 26px 80px rgba(0,0,0,.34);
      transform:rotate(1deg);
    }
    .cover-card img{
      width:100%;
      aspect-ratio:16/11;
      object-fit:cover;
      filter:saturate(1.06) contrast(1.03);
    }
    .cover-caption{
      padding:14px 16px;
      color:#d9d4e8;
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
    }
    .cover-caption b{color:#ffd58b}

    .article-shell{
      display:grid;
      grid-template-columns:minmax(0,820px) 320px;
      gap:34px;
      align-items:start;
      padding-top:62px;
      padding-bottom:76px;
    }
    .article-main{
      min-width:0;
    }
    .reader-card{
      background:rgba(255,253,250,.94);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .summary-box{
      margin:26px 28px 0;
      padding:18px 20px;
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,var(--purple-soft),#fff);
      border:1px solid #d9cdfd;
      color:#403950;
      font-size:16px;
      line-height:1.86;
    }
    .summary-box strong{
      display:flex;align-items:center;gap:8px;
      margin-bottom:6px;
      color:#4c1d95;
      font-size:15px;
    }
    .article-content{
      padding:30px 34px 40px;
      font-size:17px;
      line-height:1.92;
      color:#282832;
    }
    .article-content h2{
      margin:42px 0 16px;
      padding-top:8px;
      font-size:29px;
      line-height:1.28;
      font-weight:900;
      letter-spacing:-.02em;
      color:var(--ink);
    }
    .article-content h3{
      margin:30px 0 12px;
      font-size:22px;
      line-height:1.35;
      font-weight:850;
      color:var(--ink-2);
    }
    .article-content p{margin:0 0 18px}
    .article-content a{
      color:#6d28d9;
      font-weight:800;
      text-decoration:underline;
      text-decoration-thickness:2px;
      text-underline-offset:4px;
      transition:var(--ease);
    }
    .article-content a:hover{
      color:#4c1d95;
      background:rgba(124,58,237,.08);
      border-radius:6px;
    }
    .article-content ul,.article-content ol{
      margin:18px 0 22px;
      padding-left:1.35em;
    }
    .article-content li{margin:8px 0}
    .article-content blockquote{
      margin:26px 0;
      padding:18px 20px 18px 22px;
      border-left:5px solid var(--purple);
      border-radius:0 var(--radius-md) var(--radius-md) 0;
      background:#f4efff;
      color:#403950;
      font-weight:650;
    }
    .article-content img{
      width:100%;
      border-radius:20px;
      margin:26px 0 10px;
      border:1px solid var(--line);
      box-shadow:0 16px 42px rgba(21,21,28,.08);
    }
    .article-content table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:18px;
      margin:24px 0;
      background:#fff;
      font-size:15px;
    }
    .article-content th,.article-content td{
      padding:13px 15px;
      border-bottom:1px solid var(--line);
      vertical-align:top;
    }
    .article-content tr:last-child th,.article-content tr:last-child td{border-bottom:0}
    .article-content th{
      background:#f2ecff;
      color:#4c1d95;
      font-weight:900;
    }
    .article-content code{
      padding:2px 7px;
      border-radius:8px;
      background:#f2ecff;
      color:#5b21b6;
      font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;
      font-size:.92em;
    }
    .not-found{
      padding:42px 34px;
      text-align:center;
    }
    .not-found-icon{
      width:70px;height:70px;border-radius:24px;
      display:grid;place-items:center;
      margin:0 auto 18px;
      background:var(--amber-soft);
      color:#a16207;
      font-size:30px;
    }
    .not-found h2{
      font-size:28px;
      margin:0 0 10px;
      font-weight:900;
    }
    .not-found p{
      color:var(--muted);
      margin:0 auto 22px;
      max-width:520px;
    }

    .sidebar{
      position:sticky;
      top:96px;
      display:grid;
      gap:16px;
    }
    .side-card{
      background:rgba(255,253,250,.94);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:0 14px 36px rgba(21,21,28,.07);
      padding:22px;
      transition:var(--ease);
    }
    .side-card:hover{border-color:#c8b6ff;box-shadow:var(--shadow-hover);transform:translateY(-2px)}
    .side-card h2{
      margin:0 0 14px;
      font-size:20px;
      font-weight:900;
      letter-spacing:-.01em;
    }
    .point-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:11px;
    }
    .point-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#4a4a55;
      font-size:14px;
      line-height:1.65;
    }
    .point-list li:before{
      content:"";
      width:8px;height:8px;border-radius:99px;
      background:var(--purple);
      margin-top:8px;
      flex:0 0 auto;
      box-shadow:0 0 0 5px rgba(124,58,237,.10);
    }
    .mini-link{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding:12px 0;
      border-top:1px solid var(--line);
      color:#3b3446;
      font-weight:800;
      transition:var(--ease);
    }
    .mini-link:hover{color:#6d28d9;padding-left:4px}
    .guide-card{
      background:linear-gradient(180deg,var(--dark),#1b1823);
      color:#fff;
      border-color:rgba(255,255,255,.12);
    }
    .guide-card h2{color:#fff}
    .guide-card p{
      margin:0 0 18px;
      color:#d8d3e4;
      font-size:14px;
    }

    .after-read{
      padding-bottom:82px;
    }
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:30px;
    }
    .section-title{max-width:760px}
    .section-title h2{font-size:34px;line-height:1.22;font-weight:900;letter-spacing:-.02em;margin:14px 0 0}
    .section-title p{margin:12px 0 0;color:var(--muted);font-size:17px;max-width:760px}
    .read-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:18px;
    }
    .return-card,.faq-panel{
      background:rgba(255,253,250,.94);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      padding:28px;
    }
    .return-card{
      display:grid;
      grid-template-columns:160px minmax(0,1fr);
      gap:24px;
      align-items:center;
    }
    .return-card img{
      width:160px;height:130px;
      object-fit:cover;
      border-radius:22px;
      border:1px solid var(--line);
    }
    .return-card h2,.faq-panel h2{
      margin:0 0 10px;
      font-size:25px;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .return-card p,.faq-panel p{
      color:var(--muted);
      margin:0 0 18px;
      line-height:1.82;
    }
    .faq-list{
      display:grid;
      gap:10px;
      margin-top:16px;
    }
    .faq-item{
      border:1px solid var(--line);
      border-radius:18px;
      background:#fff;
      overflow:hidden;
      transition:var(--ease);
    }
    .faq-item[open]{border-color:#c8b6ff;box-shadow:0 12px 28px rgba(124,58,237,.10)}
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:15px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:900;
      color:var(--ink-2);
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      width:28px;height:28px;border-radius:99px;
      display:grid;place-items:center;
      background:var(--purple-soft);
      color:#5b21b6;
      font-weight:900;
      transition:var(--ease);
      flex:0 0 auto;
    }
    .faq-item[open] summary:after{content:"−";background:var(--purple);color:#fff}
    .faq-item .answer{
      padding:0 18px 16px;
      color:var(--muted);
      font-size:15px;
      line-height:1.76;
    }
    .cta-strip{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      background:
        linear-gradient(110deg,rgba(16,16,20,.96),rgba(24,24,32,.88)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;
      padding:34px;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 26px 75px rgba(16,16,20,.20);
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:26px;
      margin-top:24px;
    }
    .cta-strip h2{
      margin:0 0 8px;
      font-size:30px;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .cta-strip p{
      margin:0;
      color:#ddd7e8;
      max-width:760px;
    }
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}

    .site-footer{background:var(--dark);color:#d9d6e2;padding:58px 0 26px;border-top:1px solid rgba(255,255,255,.10)}
    .footer-grid{display:grid;grid-template-columns:1.5fr .7fr .8fr;gap:34px}
    .footer-brand strong{display:block;color:#fff;font-size:22px;margin-bottom:12px}
    .footer-brand p{color:#aaa6b5;margin:0;max-width:520px}
    .footer-col h3{font-size:16px;color:#fff;margin:0 0 14px;font-weight:900}
    .footer-col a{display:block;color:#c5c1cf;margin:9px 0;transition:var(--ease)}
    .footer-col a:hover{color:#ffd58b;transform:translateX(3px)}
    .copyright{
      display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
      margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
      color:#9f9aaa;font-size:13px
    }

    @media (max-width:1080px){
      .article-head-grid{grid-template-columns:1fr}
      .cover-card{max-width:520px;transform:none}
      .article-shell{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,1fr)}
      .read-grid{grid-template-columns:1fr}
      .cta-strip{align-items:flex-start;flex-direction:column}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:860px){
      .nav{height:auto;min-height:70px;padding:12px 0;flex-wrap:wrap}
      .menu-toggle{display:block;margin-left:auto}
      .nav-cta{display:none}
      .nav-links{
        display:none;
        width:100%;
        margin:6px 0 0;
        padding:10px;
        border-radius:20px;
        background:rgba(255,255,255,.08);
        border:1px solid rgba(255,255,255,.10);
        flex-direction:column;
        align-items:stretch;
      }
      .nav-links.is-open{display:flex}
      .nav-links a{padding:12px 14px}
      .article-title-wrap h1{font-size:38px}
      .article-hero-inner{padding:46px 0 40px}
      .article-shell{padding-top:44px}
      .sidebar{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:640px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:58px 0}
      .article-title-wrap h1{font-size:32px;letter-spacing:-.02em}
      .article-lead{font-size:16px}
      .meta-row{gap:8px}
      .meta-pill{font-size:12px}
      .summary-box{margin:18px 18px 0;padding:16px}
      .article-content{padding:24px 20px 30px;font-size:16px}
      .article-content h2{font-size:24px;margin-top:34px}
      .article-content h3{font-size:20px}
      .return-card{grid-template-columns:1fr}
      .return-card img{width:100%;height:180px}
      .section-head{display:block}
      .section-title h2{font-size:28px}
      .cta-strip{padding:24px;border-radius:24px}
      .cta-strip h2{font-size:25px}
      .cta-actions,.cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin:6px 0}
    }
    @media (max-width:420px){
      .logo-text strong{font-size:15px}
      .logo-text span{font-size:11px}
      .logo-mark{width:38px;height:38px;border-radius:13px}
      .article-title-wrap h1{font-size:29px}
      .btn{width:100%;white-space:normal}
      .article-content table{display:block;overflow-x:auto;white-space:nowrap}
    }

/* 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}