/* roulang page: index */
:root{
      --bg:#101012;
      --bg-soft:#151216;
      --panel:#1b171d;
      --panel-2:#211b24;
      --panel-3:#261f2a;
      --text:#f6f1ea;
      --muted:#b9aeb2;
      --muted-2:#8f858b;
      --primary:#c04666;
      --primary-2:#db5978;
      --accent:#f2c18d;
      --accent-soft:rgba(242,193,141,.14);
      --border:rgba(255,255,255,.10);
      --border-strong:rgba(242,193,141,.24);
      --shadow:0 18px 48px rgba(0,0,0,.32);
      --shadow-soft:0 12px 30px rgba(0,0,0,.22);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1200px;
      --ease:cubic-bezier(.2,.75,.24,1);
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Source Han Sans SC,Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(192,70,102,.22), transparent 34%),
        radial-gradient(circle at 88% 16%, rgba(242,193,141,.12), transparent 32%),
        linear-gradient(180deg,var(--bg),var(--bg-soft) 48%,#0f0d10);
      line-height:1.72;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.34;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.7), transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(192,70,102,.55);color:#fff}
    :focus-visible{outline:3px solid rgba(242,193,141,.7);outline-offset:4px;border-radius:10px}

    .container{width:min(var(--container), calc(100% - 48px));margin:0 auto}
    .section{padding:96px 0}
    .section.compact{padding:72px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--accent);
      font-size:14px;
      font-weight:700;
      letter-spacing:.04em;
      margin-bottom:10px;
    }
    .section-kicker::before{
      content:"";
      width:26px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--accent));
    }
    h1,h2,h3{font-weight:800;letter-spacing:-.03em;line-height:1.18}
    h1{font-size:clamp(34px,5vw,56px)}
    h2{font-size:clamp(28px,3.2vw,38px)}
    h3{font-size:22px}
    p{color:var(--muted)}
    .lead{font-size:17px;line-height:1.9;color:#d6ccd0}
    .muted{color:var(--muted)}
    .text-link{
      color:var(--accent);
      font-weight:700;
      display:inline-flex;
      align-items:center;
      gap:8px;
      transition:color .2s var(--ease), transform .2s var(--ease);
    }
    .text-link:hover{color:#ffd7aa;transform:translateX(3px)}
    .text-link:active{transform:translateX(1px)}
    .badge,.tag{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      border-radius:999px;
      border:1px solid var(--border-strong);
      background:var(--accent-soft);
      color:#f7d3ad;
      font-size:13px;
      font-weight:700;
      line-height:1;
      padding:8px 12px;
      white-space:nowrap;
    }
    .tag.rose{background:rgba(192,70,102,.14);border-color:rgba(192,70,102,.34);color:#f1a3b8}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:46px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:800;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
      user-select:none;
    }
    .btn-primary{
      color:#fff8f5;
      background:linear-gradient(135deg,var(--primary),#a93855);
      box-shadow:0 12px 28px rgba(192,70,102,.28);
    }
    .btn-primary:hover{background:linear-gradient(135deg,var(--primary-2),#bd425f);transform:translateY(-2px);box-shadow:0 18px 38px rgba(192,70,102,.36)}
    .btn-primary:active{transform:translateY(0);box-shadow:0 10px 22px rgba(192,70,102,.28)}
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.055);
      border:1px solid var(--border);
    }
    .btn-secondary:hover{border-color:rgba(242,193,141,.44);color:#ffe0bd;background:rgba(242,193,141,.08);transform:translateY(-2px)}
    .btn-secondary:active{transform:translateY(0)}

    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      height:72px;
      display:flex;
      align-items:center;
      background:rgba(16,16,18,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.075);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      background:
        radial-gradient(circle at 30% 20%, rgba(242,193,141,.95), transparent 30%),
        linear-gradient(135deg,#c04666,#5d2334);
      box-shadow:0 10px 26px rgba(192,70,102,.28);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
    }
    .brand-name{font-size:17px;font-weight:900;letter-spacing:-.02em}
    .brand-sub{font-size:12px;color:var(--muted-2);margin-top:3px}
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      margin-left:auto;
    }
    .nav-links a{
      color:#d6ccd0;
      font-size:14px;
      font-weight:700;
      padding:10px 13px;
      border-radius:999px;
      transition:background .2s var(--ease), color .2s var(--ease);
    }
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.07)}
    .nav-action{margin-left:10px}
    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      border-radius:14px;
      background:rgba(255,255,255,.06);
      border:1px solid var(--border);
      color:var(--text);
      align-items:center;
      justify-content:center;
    }
    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after{
      content:"";
      display:block;
      width:20px;
      height:2px;
      border-radius:99px;
      background:var(--text);
      transition:transform .2s var(--ease), opacity .2s var(--ease);
    }
    .menu-toggle span::before{transform:translateY(-7px)}
    .menu-toggle span::after{transform:translateY(5px)}
    .menu-toggle.is-open span{transform:rotate(45deg)}
    .menu-toggle.is-open span::before{opacity:0}
    .menu-toggle.is-open span::after{transform:translateY(-2px) rotate(-90deg)}

    .hero{
      position:relative;
      min-height:calc(100vh - 72px);
      display:flex;
      align-items:center;
      padding:74px 0 54px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(16,16,18,.94),rgba(16,16,18,.72) 52%,rgba(16,16,18,.9)),
        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
      opacity:.9;
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:520px;
      height:520px;
      right:-160px;
      top:90px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(192,70,102,.28),transparent 64%);
      filter:blur(4px);
      z-index:-1;
    }
    .hero-layout{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(360px,.78fr);
      align-items:center;
      gap:54px;
    }
    .hero-copy{
      max-width:760px;
    }
    .hero-title span{
      color:#ffd0dc;
      text-shadow:0 12px 36px rgba(192,70,102,.3);
    }
    .hero-desc{
      max-width:680px;
      margin-top:22px;
      font-size:18px;
      color:#ded4d7;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
      margin-top:32px;
    }
    .hero-notes{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:30px;
    }
    .hero-panel{
      position:relative;
      min-height:520px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(255,255,255,.14);
      background:
        linear-gradient(180deg,rgba(33,27,36,.92),rgba(20,17,22,.92)),
        radial-gradient(circle at top left,rgba(242,193,141,.12),transparent 34%);
      box-shadow:var(--shadow);
      padding:22px;
      overflow:hidden;
    }
    .hero-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      opacity:.18;
      mix-blend-mode:screen;
    }
    .hero-panel-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:16px}
    .update-strip{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.065);
      border:1px solid var(--border);
    }
    .pulse{
      width:12px;
      height:12px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 7px rgba(242,193,141,.12);
      flex:0 0 auto;
    }
    .strip-title{font-weight:800}
    .strip-text{font-size:13px;color:var(--muted);margin-top:3px}
    .panel-cover{
      position:relative;
      height:210px;
      border-radius:22px;
      overflow:hidden;
      border:1px solid var(--border);
      margin:4px 0;
    }
    .panel-cover img{width:100%;height:100%;object-fit:cover;filter:saturate(.9) contrast(1.02)}
    .panel-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(16,16,18,.12),rgba(16,16,18,.86));
    }
    .cover-caption{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      z-index:2;
    }
    .cover-caption strong{display:block;font-size:20px;margin-top:10px}
    .mini-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .mini-card{
      min-height:118px;
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.055);
      border:1px solid var(--border);
    }
    .mini-card strong{display:block;font-size:24px;color:#fff}
    .mini-card span{display:block;color:var(--muted);font-size:13px;margin-top:8px}

    .intro-bar{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:28px;
      align-items:stretch;
    }
    .intro-copy{
      border-radius:var(--radius-xl);
      padding:34px;
      background:linear-gradient(180deg,rgba(33,27,36,.88),rgba(27,23,29,.78));
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
    }
    .intro-copy p{margin-top:16px}
    .feature-mosaic{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .feature-card{
      position:relative;
      overflow:hidden;
      padding:24px;
      min-height:180px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,var(--panel-2),rgba(27,23,29,.86));
      border:1px solid var(--border);
      transition:transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
    }
    .feature-card:nth-child(2){transform:translateY(26px)}
    .feature-card:nth-child(3){min-height:210px}
    .feature-card::before{
      content:"";
      position:absolute;
      top:0;
      left:0;
      width:100%;
      height:3px;
      background:linear-gradient(90deg,var(--primary),transparent);
      opacity:.75;
    }
    .feature-card:hover{transform:translateY(-4px);border-color:rgba(192,70,102,.46);box-shadow:var(--shadow-soft)}
    .feature-card:nth-child(2):hover{transform:translateY(20px)}
    .feature-icon{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#ffe1c2;
      background:rgba(242,193,141,.12);
      border:1px solid rgba(242,193,141,.18);
      margin-bottom:18px;
    }
    .feature-card p{margin-top:10px;font-size:15px}

    .latest-wrap{
      display:grid;
      grid-template-columns:minmax(0,.94fr) minmax(360px,.76fr);
      gap:20px;
      align-items:stretch;
    }
    .post-card{
      position:relative;
      display:flex;
      flex-direction:column;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(33,27,36,.94),rgba(25,21,27,.92));
      border:1px solid var(--border);
      overflow:hidden;
      transition:transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
    }
    .post-card:hover{transform:translateY(-4px);border-color:rgba(192,70,102,.48);box-shadow:var(--shadow-soft)}
    .post-card:hover .post-title{color:#ffd5df}
    .featured-post .post-image{
      height:278px;
      position:relative;
      overflow:hidden;
    }
    .featured-post .post-image img{width:100%;height:100%;object-fit:cover}
    .featured-post .post-image::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(16,16,18,.12),rgba(16,16,18,.84));
    }
    .post-body{padding:24px}
    .post-meta{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:14px;
      color:var(--muted-2);
      font-size:13px;
    }
    .post-title{
      font-size:24px;
      line-height:1.32;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      transition:color .2s var(--ease);
    }
    .post-summary{
      margin-top:12px;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
      font-size:15px;
    }
    .post-link{margin-top:20px}
    .timeline-list{
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .timeline-item{
      position:relative;
      display:grid;
      grid-template-columns:34px minmax(0,1fr);
      gap:14px;
      padding:20px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.045);
      border:1px solid var(--border);
      transition:transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
    }
    .timeline-item:hover{transform:translateY(-3px);border-color:rgba(192,70,102,.45);background:rgba(255,255,255,.062)}
    .timeline-dot{
      width:14px;
      height:14px;
      margin-top:7px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 7px rgba(192,70,102,.13);
    }
    .timeline-title{
      font-size:17px;
      font-weight:800;
      line-height:1.45;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      transition:color .2s var(--ease);
    }
    .timeline-item:hover .timeline-title{color:#ffd5df}
    .timeline-summary{
      margin-top:8px;
      font-size:14px;
      color:var(--muted);
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .empty-state{
      grid-column:1/-1;
      min-height:260px;
      display:flex;
      align-items:center;
      justify-content:center;
      text-align:center;
      border-radius:var(--radius-xl);
      border:1px dashed rgba(242,193,141,.28);
      background:linear-gradient(180deg,rgba(33,27,36,.62),rgba(27,23,29,.5));
      padding:34px;
    }
    .empty-icon{
      width:62px;
      height:62px;
      display:grid;
      place-items:center;
      margin:0 auto 16px;
      border-radius:22px;
      background:rgba(242,193,141,.11);
      border:1px solid rgba(242,193,141,.2);
      color:var(--accent);
      font-size:26px;
    }
    .empty-state p{margin-top:8px}

    .guide-shell{
      border-radius:var(--radius-xl);
      border:1px solid var(--border);
      background:linear-gradient(135deg,rgba(33,27,36,.9),rgba(18,16,20,.92));
      padding:34px;
      overflow:hidden;
      position:relative;
    }
    .guide-shell::after{
      content:"";
      position:absolute;
      width:320px;
      height:320px;
      right:-100px;
      bottom:-150px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(242,193,141,.13),transparent 68%);
    }
    .steps{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      margin-top:28px;
    }
    .step-card{
      position:relative;
      padding:24px 20px;
      min-height:192px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.05);
      border:1px solid var(--border);
    }
    .step-no{
      width:38px;
      height:38px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:rgba(192,70,102,.18);
      color:#ffc0cf;
      font-weight:900;
      margin-bottom:18px;
    }
    .step-card h3{font-size:19px}
    .step-card p{font-size:14px;margin-top:10px}

    .covers-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr .95fr;
      gap:18px;
    }
    .cover-card{
      min-height:360px;
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      border:1px solid var(--border);
      background:var(--panel);
      box-shadow:var(--shadow-soft);
      transition:transform .22s var(--ease), border-color .22s var(--ease);
    }
    .cover-card:hover{transform:translateY(-4px);border-color:rgba(242,193,141,.36)}
    .cover-card.large{grid-row:span 2;min-height:500px}
    .cover-card img{
      position:absolute;
      inset:0;
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(.86) contrast(1.04);
      transition:transform .5s var(--ease);
    }
    .cover-card:hover img{transform:scale(1.045)}
    .cover-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(16,16,18,.16),rgba(16,16,18,.86) 72%,rgba(16,16,18,.96));
    }
    .cover-content{
      position:absolute;
      left:24px;
      right:24px;
      bottom:24px;
      z-index:2;
    }
    .cover-content h3{margin-top:14px}
    .cover-content p{margin-top:10px;font-size:15px}
    .cover-content .text-link{margin-top:18px}

    .trust-panel{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:24px;
      align-items:center;
      border-radius:var(--radius-xl);
      border:1px solid rgba(242,193,141,.22);
      background:
        linear-gradient(135deg,rgba(242,193,141,.11),rgba(192,70,102,.09)),
        rgba(33,27,36,.72);
      padding:30px;
    }
    .trust-title{
      display:flex;
      align-items:center;
      gap:14px;
    }
    .trust-title .feature-icon{margin-bottom:0}
    .trust-list{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .trust-item{
      padding:16px;
      border-radius:18px;
      background:rgba(16,16,18,.32);
      border:1px solid var(--border);
    }
    .trust-item strong{display:block;color:#fff;margin-bottom:6px}
    .trust-item span{display:block;color:var(--muted);font-size:14px;line-height:1.65}

    .proof-grid{
      display:grid;
      grid-template-columns:1fr 1.15fr;
      gap:18px;
      align-items:stretch;
    }
    .proof-card{
      border-radius:var(--radius-xl);
      border:1px solid var(--border);
      background:linear-gradient(180deg,rgba(33,27,36,.86),rgba(23,20,25,.86));
      padding:30px;
    }
    .proof-card p{margin-top:12px}
    .check-list{
      display:grid;
      gap:14px;
      margin-top:22px;
    }
    .check-list li{
      list-style:none;
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:#d9ced2;
    }
    .check-list li::before{
      content:"✓";
      width:24px;
      height:24px;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      margin-top:2px;
      border-radius:50%;
      color:#ffe0bd;
      background:rgba(242,193,141,.12);
      border:1px solid rgba(242,193,141,.18);
      font-weight:900;
      font-size:13px;
    }
    .proof-mini{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .metric{
      min-height:170px;
      border-radius:var(--radius-lg);
      border:1px solid var(--border);
      background:rgba(255,255,255,.046);
      padding:24px;
    }
    .metric strong{font-size:34px;color:#fff}
    .metric span{display:block;color:var(--muted);margin-top:8px}

    .faq-grid{
      display:grid;
      grid-template-columns:.76fr 1.24fr;
      gap:28px;
      align-items:start;
    }
    .faq-aside{
      position:sticky;
      top:100px;
      border-radius:var(--radius-xl);
      padding:30px;
      border:1px solid var(--border);
      background:linear-gradient(180deg,rgba(33,27,36,.8),rgba(27,23,29,.58));
    }
    .faq-list{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .faq-item{
      border:1px solid var(--border);
      border-radius:20px;
      overflow:hidden;
      background:rgba(255,255,255,.045);
      transition:border-color .2s var(--ease), background .2s var(--ease);
    }
    .faq-item.is-open{border-color:rgba(242,193,141,.32);background:rgba(242,193,141,.055)}
    .faq-question{
      width:100%;
      min-height:64px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 20px;
      background:transparent;
      color:var(--text);
      text-align:left;
      font-weight:800;
    }
    .faq-icon{
      width:30px;
      height:30px;
      flex:0 0 auto;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--accent);
      background:rgba(242,193,141,.1);
      transition:transform .2s var(--ease);
    }
    .faq-item.is-open .faq-icon{transform:rotate(45deg)}
    .faq-answer{
      display:none;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.is-open .faq-answer{display:block}

    .cta-panel{
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:28px;
      padding:38px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(192,70,102,.34);
      background:
        linear-gradient(135deg,rgba(192,70,102,.24),rgba(33,27,36,.92)),
        url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,rgba(16,16,18,.9),rgba(16,16,18,.62));
    }
    .cta-content,.cta-actions{position:relative;z-index:1}
    .cta-content p{margin-top:12px;max-width:690px}
    .cta-actions{
      display:flex;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .site-footer{
      padding:58px 0 26px;
      border-top:1px solid rgba(255,255,255,.08);
      background:#0d0c0f;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .72fr .72fr .9fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand .brand{margin-bottom:16px}
    .footer-title{
      font-size:15px;
      font-weight:900;
      color:#fff;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      transition:color .2s var(--ease), transform .2s var(--ease);
    }
    .footer-links a:hover{color:var(--accent);transform:translateX(3px)}
    .footer-note{
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      margin-top:42px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--muted-2);
      font-size:13px;
    }

    @media (max-width:1024px){
      .container{width:min(100% - 40px, var(--container))}
      .nav-action{display:none}
      .hero-layout,.intro-bar,.latest-wrap,.trust-panel,.proof-grid,.faq-grid{grid-template-columns:1fr}
      .hero{min-height:auto}
      .hero-panel{min-height:auto}
      .steps{grid-template-columns:1fr 1fr}
      .covers-grid{grid-template-columns:1fr 1fr}
      .cover-card.large{grid-row:auto;grid-column:span 2;min-height:430px}
      .faq-aside{position:relative;top:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:calc(100% - 36px)}
      .site-header{height:68px}
      .menu-toggle{display:flex}
      .nav-links{
        position:absolute;
        left:18px;
        right:18px;
        top:76px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:6px;
        padding:14px;
        border-radius:22px;
        background:rgba(27,23,29,.96);
        border:1px solid var(--border);
        box-shadow:var(--shadow);
      }
      .nav-links.is-open{display:flex}
      .nav-links a{padding:14px 16px}
      .hero{padding:54px 0 44px}
      .hero-layout{gap:28px}
      .hero-desc{font-size:16px}
      .hero-actions .btn{width:100%}
      .hero-panel{padding:16px;border-radius:22px}
      .mini-grid,.feature-mosaic,.steps,.covers-grid,.trust-list,.proof-mini{grid-template-columns:1fr}
      .feature-card:nth-child(2),.feature-card:nth-child(2):hover{transform:none}
      .section{padding:68px 0}
      .section.compact{padding:54px 0}
      .section-head{display:block}
      .section-head .text-link{margin-top:18px}
      .cover-card.large{grid-column:auto}
      .cover-card,.cover-card.large{min-height:360px}
      .cta-panel{grid-template-columns:1fr;padding:28px}
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 32px)}
      .brand-name{font-size:15px}
      .brand-sub{display:none}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .hero-notes{gap:8px}
      .badge,.tag{font-size:12px;padding:7px 10px}
      .intro-copy,.guide-shell,.proof-card,.faq-aside{padding:22px}
      .post-body,.feature-card,.metric{padding:20px}
      .timeline-item{grid-template-columns:24px minmax(0,1fr);padding:18px}
      .featured-post .post-image{height:220px}
      .post-title{font-size:21px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }

/* roulang page: article */
:root{
      --bg:#101012;
      --bg-soft:#151216;
      --panel:#1b171d;
      --panel-2:#211b24;
      --panel-3:#261f2a;
      --text:#f6f1ea;
      --muted:#b9aeb2;
      --muted-2:#8f858b;
      --primary:#c04666;
      --primary-2:#db5978;
      --accent:#f2c18d;
      --accent-soft:rgba(242,193,141,.14);
      --border:rgba(255,255,255,.10);
      --border-strong:rgba(242,193,141,.24);
      --shadow:0 18px 48px rgba(0,0,0,.32);
      --shadow-soft:0 12px 30px rgba(0,0,0,.22);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1200px;
      --ease:cubic-bezier(.2,.75,.24,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Source Han Sans SC,Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(192,70,102,.22), transparent 34%),
        radial-gradient(circle at 88% 16%, rgba(242,193,141,.12), transparent 32%),
        linear-gradient(180deg,var(--bg),var(--bg-soft) 48%,#0f0d10);
      line-height:1.72;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.34;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.7), transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(192,70,102,.55);color:#fff}
    :focus-visible{outline:3px solid rgba(242,193,141,.55);outline-offset:3px;border-radius:10px}
    .container{width:min(var(--container), calc(100% - 48px));margin:0 auto}
    .section{padding:96px 0}
    .section.compact{padding:72px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--accent);
      font-size:14px;
      font-weight:700;
      letter-spacing:.04em;
      margin-bottom:10px;
    }
    .section-kicker::before{
      content:"";
      width:26px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--accent));
    }
    .lead{font-size:17px;line-height:1.9;color:#d6ccd0}
    .muted{color:var(--muted)}
    .text-link{
      color:var(--accent);
      font-weight:700;
      display:inline-flex;
      align-items:center;
      gap:8px;
      transition:color .2s var(--ease), transform .2s var(--ease);
    }
    .text-link:hover{color:#ffd7aa;transform:translateX(3px)}
    .text-link:active{transform:translateX(1px)}
    .badge,.tag{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      border-radius:999px;
      border:1px solid var(--border-strong);
      background:var(--accent-soft);
      color:#f7d3ad;
      font-size:13px;
      font-weight:700;
      line-height:1;
      padding:8px 12px;
      white-space:nowrap;
    }
    .tag.rose{background:rgba(192,70,102,.14);border-color:rgba(192,70,102,.34);color:#f1a3b8}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:46px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:800;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
      user-select:none;
    }
    .btn-primary{
      color:#fff8f5;
      background:linear-gradient(135deg,var(--primary),#a93855);
      box-shadow:0 12px 28px rgba(192,70,102,.28);
    }
    .btn-primary:hover{background:linear-gradient(135deg,var(--primary-2),#bd425f);transform:translateY(-2px);box-shadow:0 18px 38px rgba(192,70,102,.36)}
    .btn-primary:active{transform:translateY(0);box-shadow:0 10px 22px rgba(192,70,102,.28)}
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.055);
      border:1px solid var(--border);
    }
    .btn-secondary:hover{border-color:rgba(242,193,141,.44);color:#ffe0bd;background:rgba(242,193,141,.08);transform:translateY(-2px)}
    .btn-secondary:active{transform:translateY(0)}
    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      height:72px;
      display:flex;
      align-items:center;
      background:rgba(16,16,18,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.075);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      background:
        radial-gradient(circle at 30% 20%, rgba(242,193,141,.95), transparent 30%),
        linear-gradient(135deg,#c04666,#5d2334);
      box-shadow:0 10px 26px rgba(192,70,102,.28);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
    }
    .brand-name{font-size:17px;font-weight:900;letter-spacing:-.02em}
    .brand-sub{font-size:12px;color:var(--muted-2);margin-top:3px}
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      margin-left:auto;
    }
    .nav-links a{
      color:#d6ccd0;
      font-size:14px;
      font-weight:700;
      padding:10px 13px;
      border-radius:999px;
      transition:background .2s var(--ease), color .2s var(--ease);
    }
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.07)}
    .nav-action{margin-left:10px}
    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      border-radius:14px;
      background:rgba(255,255,255,.06);
      border:1px solid var(--border);
      color:var(--text);
      align-items:center;
      justify-content:center;
      transition:background .2s var(--ease),border-color .2s var(--ease);
    }
    .menu-toggle:hover{background:rgba(255,255,255,.09);border-color:rgba(242,193,141,.30)}
    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after{
      content:"";
      display:block;
      width:20px;
      height:2px;
      border-radius:99px;
      background:var(--text);
      transition:transform .22s var(--ease), opacity .22s var(--ease);
    }
    .menu-toggle span::before{transform:translateY(-7px)}
    .menu-toggle span::after{transform:translateY(5px)}
    .menu-toggle.open span{background:transparent}
    .menu-toggle.open span::before{transform:translateY(0) rotate(45deg);background:var(--text)}
    .menu-toggle.open span::after{transform:translateY(-2px) rotate(-45deg);background:var(--text)}
    .article-hero{
      position:relative;
      padding:62px 0 42px;
      overflow:hidden;
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .article-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(16,16,18,.94),rgba(16,16,18,.72),rgba(16,16,18,.94)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      opacity:.85;
      z-index:-2;
    }
    .article-hero::after{
      content:"";
      position:absolute;
      width:520px;
      height:520px;
      right:-160px;
      top:-210px;
      background:radial-gradient(circle,rgba(192,70,102,.34),transparent 64%);
      filter:blur(4px);
      z-index:-1;
    }
    .breadcrumb-line{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:9px;
      color:var(--muted);
      font-size:14px;
      margin-bottom:28px;
    }
    .breadcrumb-line a{
      color:#d6ccd0;
      transition:color .2s var(--ease);
    }
    .breadcrumb-line a:hover{color:var(--accent)}
    .breadcrumb-line .sep{color:rgba(255,255,255,.28)}
    .breadcrumb-line .current{
      color:#ffe0bd;
      max-width:520px;
      overflow:hidden;
      white-space:nowrap;
      text-overflow:ellipsis;
    }
    .article-head-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:42px;
      align-items:end;
    }
    .article-title{
      max-width:850px;
      font-size:clamp(34px,5vw,54px);
      line-height:1.14;
      letter-spacing:-.05em;
      font-weight:950;
      margin:0 0 20px;
    }
    .article-summary{
      max-width:760px;
      color:#ded4d8;
      font-size:17px;
      line-height:1.9;
      margin:0;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin:24px 0 0;
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:36px;
      padding:8px 12px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.055);
      border-radius:999px;
      color:#d6ccd0;
      font-size:13px;
      font-weight:700;
    }
    .cover-card{
      position:relative;
      border-radius:var(--radius-xl);
      overflow:hidden;
      min-height:250px;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow);
      background:var(--panel);
    }
    .cover-card img{
      width:100%;
      height:100%;
      min-height:250px;
      object-fit:cover;
      filter:saturate(.9) contrast(1.06);
    }
    .cover-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(16,16,18,.10),rgba(16,16,18,.82));
    }
    .cover-info{
      position:absolute;
      left:20px;
      right:20px;
      bottom:20px;
      z-index:2;
    }
    .cover-info strong{
      display:block;
      font-size:18px;
      margin-top:10px;
      line-height:1.45;
    }
    .reading-shell{
      display:grid;
      grid-template-columns:minmax(0,820px) 300px;
      justify-content:center;
      gap:38px;
      align-items:start;
      padding:64px 0 0;
    }
    .article-card{
      background:linear-gradient(180deg,rgba(33,27,36,.96),rgba(27,23,29,.96));
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-soft);
      padding:42px;
      min-width:0;
    }
    .content-found{
      font-size:17px;
      line-height:1.9;
      color:#e8dde1;
      word-break:break-word;
    }
    .content-found h2{
      position:relative;
      font-size:30px;
      line-height:1.35;
      font-weight:900;
      letter-spacing:-.03em;
      margin:46px 0 18px;
      padding-left:18px;
      color:#fff8f5;
    }
    .content-found h2::before{
      content:"";
      position:absolute;
      left:0;
      top:.28em;
      width:5px;
      height:1.1em;
      border-radius:999px;
      background:linear-gradient(180deg,var(--primary),var(--accent));
    }
    .content-found h3{
      font-size:23px;
      line-height:1.45;
      font-weight:850;
      margin:34px 0 14px;
      color:#fff2e8;
    }
    .content-found h4{
      font-size:19px;
      line-height:1.5;
      font-weight:800;
      margin:28px 0 10px;
      color:#f6f1ea;
    }
    .content-found p{margin:0 0 20px}
    .content-found a{
      color:#f2c18d;
      font-weight:700;
      border-bottom:1px solid rgba(242,193,141,.34);
      transition:color .2s var(--ease),border-color .2s var(--ease);
    }
    .content-found a:hover{color:#ffdcb4;border-color:#ffdcb4}
    .content-found ul,.content-found ol{
      padding-left:1.35em;
      margin:16px 0 22px;
    }
    .content-found li{margin:8px 0;padding-left:4px}
    .content-found blockquote{
      margin:28px 0;
      padding:20px 22px;
      border-left:4px solid var(--primary);
      border-radius:0 var(--radius-md) var(--radius-md) 0;
      background:rgba(255,255,255,.055);
      color:#eadfe3;
    }
    .content-found img{
      width:auto;
      max-width:100%;
      height:auto;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 14px 34px rgba(0,0,0,.24);
      margin:28px auto;
    }
    .content-found figure{margin:32px 0}
    .content-found figcaption{
      color:var(--muted);
      text-align:center;
      font-size:14px;
      margin-top:10px;
    }
    .content-found table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:28px 0;
      overflow:hidden;
      border-radius:var(--radius-md);
      border:1px solid rgba(255,255,255,.10);
      display:block;
      overflow-x:auto;
      white-space:nowrap;
    }
    .content-found th,.content-found td{
      padding:13px 15px;
      border-bottom:1px solid rgba(255,255,255,.08);
      color:#e5dadd;
    }
    .content-found th{
      background:rgba(242,193,141,.10);
      color:#ffe0bd;
      font-weight:850;
    }
    .content-found tr:last-child td{border-bottom:0}
    .content-found code{
      color:#ffd2a3;
      background:rgba(242,193,141,.10);
      border:1px solid rgba(242,193,141,.16);
      padding:2px 6px;
      border-radius:8px;
      font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
      font-size:.92em;
    }
    .content-found pre{
      margin:26px 0;
      padding:20px;
      overflow:auto;
      border-radius:var(--radius-md);
      border:1px solid rgba(255,255,255,.10);
      background:#120f14;
    }
    .content-found pre code{background:transparent;border:0;padding:0;color:#f5d2ae}
    .empty-state{
      text-align:center;
      padding:64px 24px;
    }
    .empty-icon{
      width:72px;
      height:72px;
      margin:0 auto 22px;
      display:grid;
      place-items:center;
      border-radius:24px;
      background:rgba(242,193,141,.12);
      border:1px solid rgba(242,193,141,.20);
      color:var(--accent);
      font-size:30px;
    }
    .empty-state h2{
      font-size:28px;
      font-weight:900;
      margin:0 0 12px;
    }
    .empty-state p{
      color:var(--muted);
      margin:0 auto 24px;
      max-width:520px;
    }
    .article-side{
      position:sticky;
      top:96px;
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .side-card{
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:rgba(33,27,36,.78);
      box-shadow:var(--shadow-soft);
      padding:22px;
    }
    .side-title{
      display:flex;
      align-items:center;
      gap:10px;
      font-size:16px;
      font-weight:900;
      margin-bottom:14px;
    }
    .side-title::before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 5px rgba(192,70,102,.14);
    }
    .side-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .side-list li{
      color:#d7cdd1;
      font-size:14px;
      padding-left:16px;
      position:relative;
    }
    .side-list li::before{
      content:"";
      position:absolute;
      left:0;
      top:.72em;
      width:5px;
      height:5px;
      border-radius:50%;
      background:var(--accent);
    }
    .mini-action{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:16px;
    }
    .article-nav-box{
      margin-top:28px;
      padding-top:24px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }
    .recommend-area{
      padding:76px 0 96px;
    }
    .recommend-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .recommend-card{
      position:relative;
      min-height:188px;
      padding:24px;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(145deg,rgba(33,27,36,.94),rgba(27,23,29,.84));
      transition:transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
      overflow:hidden;
    }
    .recommend-card::after{
      content:"";
      position:absolute;
      right:-60px;
      bottom:-80px;
      width:190px;
      height:190px;
      background:radial-gradient(circle,rgba(242,193,141,.13),transparent 66%);
      pointer-events:none;
    }
    .recommend-card:hover{
      transform:translateY(-4px);
      border-color:rgba(242,193,141,.30);
      box-shadow:var(--shadow-soft);
    }
    .recommend-card h3{
      position:relative;
      z-index:1;
      font-size:20px;
      line-height:1.45;
      font-weight:900;
      margin:14px 0 10px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .recommend-card p{
      position:relative;
      z-index:1;
      color:var(--muted);
      font-size:15px;
      margin:0 0 18px;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .recommend-meta{
      position:relative;
      z-index:1;
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      color:var(--muted-2);
      font-size:13px;
      margin-top:auto;
    }
    .notice-band{
      border:1px solid rgba(242,193,141,.20);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(242,193,141,.11),rgba(192,70,102,.08)),
        rgba(33,27,36,.88);
      padding:28px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
      align-items:start;
    }
    .notice-item{
      display:flex;
      gap:14px;
      align-items:flex-start;
    }
    .notice-dot{
      width:34px;
      height:34px;
      flex:0 0 auto;
      border-radius:13px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#713045);
    }
    .notice-item strong{display:block;margin-bottom:5px}
    .notice-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .faq-item{
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:rgba(33,27,36,.78);
      overflow:hidden;
      transition:border-color .22s var(--ease),background .22s var(--ease);
    }
    .faq-item:hover{border-color:rgba(242,193,141,.28)}
    .faq-question{
      width:100%;
      min-height:62px;
      padding:18px 20px;
      background:transparent;
      color:var(--text);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      text-align:left;
      font-weight:850;
    }
    .faq-question .plus{
      width:26px;
      height:26px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--accent);
      background:rgba(242,193,141,.10);
      flex:0 0 auto;
      transition:transform .2s var(--ease);
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .25s var(--ease);
    }
    .faq-answer p{
      margin:0;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:15px;
      line-height:1.85;
    }
    .faq-item.open{
      background:rgba(38,31,42,.88);
      border-color:rgba(242,193,141,.32);
    }
    .faq-item.open .plus{transform:rotate(45deg)}
    .faq-item.open .faq-answer{max-height:220px}
    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(100deg,rgba(192,70,102,.26),rgba(33,27,36,.92) 42%,rgba(242,193,141,.12)),
        url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
      box-shadow:var(--shadow);
      padding:38px;
      display:flex;
      justify-content:space-between;
      gap:28px;
      align-items:center;
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:rgba(16,16,18,.62);
    }
    .cta-panel > *{position:relative;z-index:1}
    .cta-panel h2{
      font-size:30px;
      line-height:1.25;
      font-weight:950;
      margin:0 0 10px;
      letter-spacing:-.03em;
    }
    .cta-panel p{margin:0;color:#ded4d8;max-width:650px}
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
      flex:0 0 auto;
    }
    .site-footer{
      border-top:1px solid rgba(255,255,255,.08);
      background:rgba(13,12,14,.86);
      padding:54px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .75fr .75fr 1fr;
      gap:34px;
      align-items:start;
    }
    .footer-note{
      color:var(--muted);
      font-size:14px;
      line-height:1.85;
      margin:16px 0 0;
    }
    .footer-title{
      color:#fff8f5;
      font-size:15px;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      transition:color .2s var(--ease), transform .2s var(--ease);
    }
    .footer-links a:hover{color:var(--accent);transform:translateX(3px)}
    .footer-bottom{
      margin-top:38px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:14px;
      color:var(--muted-2);
      font-size:13px;
      flex-wrap:wrap;
    }
    @media (max-width:1100px){
      .article-head-grid{grid-template-columns:1fr}
      .cover-card{max-width:560px}
      .reading-shell{grid-template-columns:minmax(0,1fr)}
      .article-side{position:static;display:grid;grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:900px){
      .nav-action{display:none}
      .nav-links a{padding:10px 10px}
      .section{padding:76px 0}
      .article-card{padding:34px}
      .recommend-grid,.faq-grid{grid-template-columns:1fr}
      .notice-band{grid-template-columns:1fr}
      .cta-panel{align-items:flex-start;flex-direction:column}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:768px){
      .container{width:min(100% - 38px,var(--container))}
      .site-header{height:68px}
      .menu-toggle{display:flex;margin-left:auto}
      .nav-links{
        position:absolute;
        left:19px;
        right:19px;
        top:76px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        padding:16px;
        border:1px solid var(--border);
        border-radius:var(--radius-lg);
        background:rgba(27,23,29,.97);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:13px 14px}
      .brand-name{font-size:15px}
      .brand-sub{display:none}
      .article-hero{padding:44px 0 34px}
      .breadcrumb-line .current{max-width:260px}
      .article-title{font-size:34px;letter-spacing:-.04em}
      .article-summary{font-size:16px}
      .cover-card{min-height:210px}
      .cover-card img{min-height:210px}
      .reading-shell{padding-top:42px}
      .article-card{padding:26px;border-radius:22px}
      .content-found{font-size:16px;line-height:1.86}
      .content-found h2{font-size:26px;margin-top:38px}
      .content-found h3{font-size:21px}
      .article-side{grid-template-columns:1fr}
      .article-nav-box{flex-direction:column}
      .section-head{display:block}
      .recommend-area{padding:58px 0 74px}
      .cta-panel{padding:28px}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .container{width:min(100% - 34px,var(--container))}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .article-title{font-size:31px}
      .article-meta{gap:8px}
      .meta-pill,.tag,.badge{white-space:normal}
      .article-card{padding:22px}
      .content-found table{font-size:14px}
      .recommend-card{padding:20px}
      .notice-band{padding:22px}
      .cta-panel h2{font-size:25px}
      .cta-actions .btn{width:100%}
      .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}