/* roulang page: index */
:root{
      --bg:#111111;
      --bg-2:#171414;
      --bg-3:#1d1919;
      --panel:#201b1a;
      --panel-soft:#251f1d;
      --text:#f7f1e8;
      --muted:#beb6ad;
      --subtle:#8e857d;
      --line:#2d2827;
      --line-bright:#463b36;
      --amber:#f0a33a;
      --amber-2:#d88b25;
      --amber-soft:rgba(240,163,58,.14);
      --wine:#7a2d36;
      --wine-2:#4a1f25;
      --olive:#7c8a55;
      --shadow:0 24px 70px rgba(0,0,0,.42);
      --glow:0 0 34px rgba(240,163,58,.18);
      --radius-lg:28px;
      --radius-md:22px;
      --radius-sm:14px;
      --container:1220px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 2%,rgba(122,45,54,.32),transparent 36%),
        radial-gradient(circle at 85% 8%,rgba(240,163,58,.16),transparent 32%),
        linear-gradient(180deg,#111,#171414 48%,#111);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.16;
      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:40px 40px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 80%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(240,163,58,.55);outline-offset:4px;border-radius:12px}
    .container{width:min(var(--container),calc(100% - 64px));margin:0 auto}
    .section{padding:96px 0}
    .section-tight{padding:68px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(240,163,58,.28);
      background:rgba(240,163,58,.09);
      color:#ffd49a;
      border-radius:999px;
      font-size:13px;
      font-weight:600;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 18px rgba(240,163,58,.8);
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(255,255,255,.06);
      background:rgba(17,17,17,.78);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      position:relative;
      flex:0 0 auto;
      background:linear-gradient(135deg,var(--amber),#9b4a25 52%,var(--wine));
      box-shadow:var(--glow);
    }
    .brand-mark::before{
      content:"";
      position:absolute;
      left:16px;
      top:12px;
      width:0;
      height:0;
      border-top:9px solid transparent;
      border-bottom:9px solid transparent;
      border-left:13px solid #17110d;
      filter:drop-shadow(0 1px 0 rgba(255,255,255,.18));
    }
    .brand-text{
      font-size:18px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav-links a{
      padding:10px 13px;
      color:var(--muted);
      border-radius:999px;
      font-size:14px;
      font-weight:600;
      transition:var(--ease);
      position:relative;
    }
    .nav-links a:hover,
    .nav-links a.active{
      color:var(--text);
      background:rgba(255,255,255,.06);
    }
    .nav-links a::after{
      content:"";
      position:absolute;
      left:16px;
      right:16px;
      bottom:6px;
      height:2px;
      transform:scaleX(0);
      transform-origin:left;
      background:var(--amber);
      transition:var(--ease);
    }
    .nav-links a:hover::after,
    .nav-links a.active::after{transform:scaleX(1)}
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      background:var(--amber);
      color:#1b1208;
      font-weight:800;
      box-shadow:0 12px 26px rgba(240,163,58,.22);
      transition:var(--ease);
      white-space:nowrap;
    }
    .nav-cta:hover{background:var(--amber-2);transform:translateY(-2px)}
    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      align-items:center;
      justify-content:center;
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      color:var(--text);
      border-radius:14px;
    }
    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after{
      display:block;
      width:20px;
      height:2px;
      background:var(--text);
      border-radius:4px;
      position:relative;
      transition:var(--ease);
    }
    .menu-toggle span::before,
    .menu-toggle span::after{content:"";position:absolute;left:0}
    .menu-toggle span::before{top:-7px}
    .menu-toggle span::after{top:7px}
    .hero{
      position:relative;
      min-height:760px;
      display:flex;
      align-items:center;
      overflow:hidden;
      background:
        linear-gradient(90deg,rgba(17,17,17,.94) 0%,rgba(17,17,17,.76) 43%,rgba(17,17,17,.36) 100%),
        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:190px;
      background:linear-gradient(to bottom,transparent,var(--bg));
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:54px;
      align-items:center;
      padding:92px 0 82px;
    }
    .hero-copy{max-width:720px}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.11);
      background:rgba(32,27,26,.7);
      color:var(--muted);
      font-size:13px;
      font-weight:600;
    }
    .badge.safe{border-color:rgba(124,138,85,.38);color:#dfe9b8;background:rgba(124,138,85,.12)}
    .badge.hot{border-color:rgba(240,163,58,.32);color:#ffd093;background:rgba(240,163,58,.12)}
    h1{
      margin:0;
      max-width:780px;
      font-size:clamp(40px,5.3vw,68px);
      line-height:1.1;
      letter-spacing:-.055em;
      font-weight:800;
    }
    .hero-lead{
      margin:24px 0 0;
      max-width:650px;
      color:#d7cec4;
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:52px;
      padding:0 22px;
      border-radius:999px;
      font-weight:800;
      transition:var(--ease);
    }
    .btn-primary{
      background:var(--amber);
      color:#1b1208;
      box-shadow:0 18px 38px rgba(240,163,58,.22);
    }
    .btn-primary:hover{background:var(--amber-2);transform:translateY(-2px);box-shadow:0 22px 46px rgba(240,163,58,.29)}
    .btn-secondary{
      border:1px solid rgba(247,241,232,.18);
      color:var(--text);
      background:rgba(255,255,255,.045);
    }
    .btn-secondary:hover{border-color:rgba(240,163,58,.45);background:rgba(240,163,58,.1);transform:translateY(-2px)}
    .hero-tags{
      margin-top:38px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .hero-tags span{
      padding:9px 13px;
      border-radius:999px;
      background:rgba(0,0,0,.25);
      border:1px solid rgba(255,255,255,.1);
      color:var(--muted);
      font-size:13px;
    }
    .feature-board{
      border:1px solid rgba(255,255,255,.1);
      border-radius:var(--radius-lg);
      background:linear-gradient(145deg,rgba(32,27,26,.84),rgba(17,17,17,.78));
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .feature-board::before{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 70% 15%,rgba(240,163,58,.18),transparent 35%);
      pointer-events:none;
    }
    .media-cover{
      position:relative;
      height:345px;
      overflow:hidden;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .media-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.78;
      transform:scale(1.01);
      transition:var(--ease);
    }
    .feature-board:hover .media-cover img{transform:scale(1.04)}
    .media-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(to top,rgba(17,17,17,.88),rgba(17,17,17,.1));
    }
    .play-button{
      position:absolute;
      left:50%;
      top:50%;
      transform:translate(-50%,-50%);
      width:82px;
      height:82px;
      border-radius:50%;
      background:rgba(240,163,58,.92);
      box-shadow:0 0 0 12px rgba(240,163,58,.12),0 20px 45px rgba(0,0,0,.3);
      z-index:2;
    }
    .play-button::before{
      content:"";
      position:absolute;
      left:33px;
      top:25px;
      border-top:16px solid transparent;
      border-bottom:16px solid transparent;
      border-left:22px solid #1a120c;
    }
    .cover-caption{
      position:absolute;
      left:22px;
      right:22px;
      bottom:20px;
      z-index:3;
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
    }
    .cover-caption strong{font-size:20px;line-height:1.35}
    .cover-caption span{color:var(--muted);font-size:13px}
    .board-meta{
      position:relative;
      z-index:2;
      padding:22px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }
    .stat{
      padding:16px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
    }
    .stat b{display:block;font-size:22px;color:var(--amber);line-height:1.2}
    .stat span{font-size:13px;color:var(--muted)}
    .notice-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      padding:18px;
      border:1px solid rgba(255,255,255,.1);
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,rgba(32,27,26,.82),rgba(29,25,25,.55));
      box-shadow:0 20px 56px rgba(0,0,0,.24);
    }
    .notice-item{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.035);
    }
    .notice-icon{
      width:34px;
      height:34px;
      display:grid;
      place-items:center;
      border-radius:12px;
      background:var(--amber-soft);
      color:var(--amber);
      flex:0 0 auto;
    }
    .notice-item strong{display:block;font-size:15px}
    .notice-item p{margin:3px 0 0;color:var(--muted);font-size:13px;line-height:1.6}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:24px;
      margin-bottom:38px;
    }
    .section-head h2{
      margin:12px 0 0;
      font-size:clamp(30px,3.4vw,42px);
      line-height:1.2;
      letter-spacing:-.035em;
    }
    .section-head p{
      margin:14px 0 0;
      max-width:660px;
      color:var(--muted);
      font-size:16px;
    }
    .capability-layout{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:32px;
      align-items:start;
    }
    .visual-note{
      position:sticky;
      top:102px;
      border-radius:var(--radius-lg);
      overflow:hidden;
      background:var(--panel);
      border:1px solid rgba(255,255,255,.1);
      box-shadow:var(--shadow);
    }
    .visual-note img{width:100%;height:330px;object-fit:cover;opacity:.8}
    .visual-note-body{padding:26px}
    .visual-note-body h3{margin:0;font-size:25px;line-height:1.25}
    .visual-note-body p{margin:12px 0 0;color:var(--muted)}
    .capability-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .cap-card{
      min-height:210px;
      padding:24px;
      border:1px solid rgba(255,255,255,.09);
      border-radius:var(--radius-md);
      background:linear-gradient(145deg,rgba(37,31,29,.9),rgba(22,19,18,.88));
      transition:var(--ease);
      position:relative;
      overflow:hidden;
    }
    .cap-card:nth-child(2){margin-top:34px}
    .cap-card:nth-child(3){margin-top:-10px}
    .cap-card::after{
      content:"";
      position:absolute;
      right:-38px;
      bottom:-38px;
      width:116px;
      height:116px;
      border-radius:50%;
      background:rgba(240,163,58,.08);
      transition:var(--ease);
    }
    .cap-card:hover{
      transform:translateY(-4px);
      border-color:rgba(240,163,58,.35);
      box-shadow:0 22px 46px rgba(0,0,0,.32);
    }
    .cap-card:hover::after{background:rgba(240,163,58,.16)}
    .cap-icon{
      width:48px;
      height:48px;
      display:grid;
      place-items:center;
      border-radius:16px;
      background:rgba(240,163,58,.12);
      color:var(--amber);
      font-size:22px;
      margin-bottom:18px;
    }
    .cap-card h3{margin:0;font-size:22px}
    .cap-card p{margin:10px 0 0;color:var(--muted);font-size:15px}
    .cap-link{
      margin-top:18px;
      color:#ffd39a;
      font-weight:700;
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .latest-wrap{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:28px;
      align-items:start;
    }
    .post-list{display:grid;gap:16px}
    .post-card{
      display:grid;
      grid-template-columns:180px minmax(0,1fr);
      gap:20px;
      padding:16px;
      border-radius:var(--radius-md);
      border:1px solid rgba(255,255,255,.09);
      background:rgba(32,27,26,.78);
      transition:var(--ease);
      overflow:hidden;
    }
    .post-card:hover{
      transform:translateY(-3px);
      border-color:rgba(240,163,58,.36);
      box-shadow:0 20px 44px rgba(0,0,0,.3);
    }
    .post-thumb{
      min-height:128px;
      border-radius:18px;
      overflow:hidden;
      background:linear-gradient(135deg,rgba(122,45,54,.8),rgba(240,163,58,.22));
      position:relative;
    }
    .post-thumb img{width:100%;height:100%;object-fit:cover;opacity:.76;transition:var(--ease)}
    .post-card:hover .post-thumb img{transform:scale(1.04)}
    .post-thumb::after{
      content:"▶";
      position:absolute;
      right:12px;
      bottom:10px;
      width:34px;
      height:34px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(240,163,58,.88);
      color:#1b1208;
      font-size:12px;
      box-shadow:0 10px 24px rgba(0,0,0,.28);
    }
    .post-meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      color:var(--subtle);
      font-size:13px;
      margin-bottom:8px;
    }
    .cat{
      display:inline-flex;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(240,163,58,.12);
      border:1px solid rgba(240,163,58,.26);
      color:#ffd39a;
      font-weight:700;
    }
    .post-card h3{margin:0;font-size:22px;line-height:1.35}
    .post-card h3 a{transition:var(--ease)}
    .post-card h3 a:hover{color:var(--amber)}
    .post-card p{
      margin:9px 0 0;
      color:var(--muted);
      font-size:15px;
      line-height:1.75;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .post-link{
      margin-top:14px;
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:#ffd39a;
      font-weight:800;
      font-size:14px;
    }
    .sidebar{display:grid;gap:16px}
    .side-card{
      border:1px solid rgba(255,255,255,.09);
      border-radius:var(--radius-md);
      background:linear-gradient(155deg,rgba(37,31,29,.88),rgba(22,19,18,.82));
      padding:24px;
      box-shadow:0 18px 42px rgba(0,0,0,.22);
    }
    .side-card h3{margin:0 0 12px;font-size:21px}
    .side-card p{margin:0;color:var(--muted);font-size:15px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}
    .tag-cloud span{
      padding:8px 11px;
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
      font-size:13px;
    }
    .empty-state{
      padding:44px 24px;
      border:1px dashed rgba(240,163,58,.36);
      border-radius:var(--radius-lg);
      background:rgba(240,163,58,.07);
      text-align:center;
    }
    .empty-state .empty-icon{
      width:58px;
      height:58px;
      margin:0 auto 16px;
      border-radius:20px;
      display:grid;
      place-items:center;
      background:rgba(240,163,58,.14);
      color:var(--amber);
      font-size:28px;
    }
    .proof-band{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:16px;
    }
    .proof-item{
      padding:26px;
      border-radius:var(--radius-md);
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
    }
    .proof-item b{display:block;color:var(--amber);font-size:30px;line-height:1.1}
    .proof-item span{display:block;margin-top:8px;color:var(--muted)}
    .guide{
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.1);
      background:
        linear-gradient(135deg,rgba(122,45,54,.26),transparent 45%),
        rgba(32,27,26,.75);
      padding:34px;
      overflow:hidden;
    }
    .guide-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:32px;
      align-items:center;
    }
    .steps{display:grid;gap:18px;counter-reset:step}
    .step{
      counter-increment:step;
      display:grid;
      grid-template-columns:52px 1fr;
      gap:16px;
      align-items:start;
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
    }
    .step::before{
      content:counter(step,decimal-leading-zero);
      width:52px;
      height:52px;
      display:grid;
      place-items:center;
      border-radius:18px;
      background:rgba(240,163,58,.14);
      color:var(--amber);
      font-weight:900;
    }
    .step h3{margin:0;font-size:19px}
    .step p{margin:6px 0 0;color:var(--muted);font-size:15px}
    .screen-panel{
      border:1px solid rgba(255,255,255,.1);
      border-radius:26px;
      padding:18px;
      background:#151211;
      box-shadow:var(--shadow);
    }
    .screen-top{display:flex;gap:7px;margin-bottom:14px}
    .dot{width:10px;height:10px;border-radius:50%;background:var(--line-bright)}
    .screen-panel img{border-radius:18px;width:100%;height:330px;object-fit:cover;opacity:.82}
    .screen-list{margin:16px 0 0;display:grid;gap:10px}
    .screen-line{height:12px;border-radius:999px;background:rgba(255,255,255,.08)}
    .screen-line:nth-child(2){width:72%}
    .screen-line:nth-child(3){width:54%;background:rgba(240,163,58,.22)}
    .faq-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:34px;
      align-items:start;
    }
    .faq-intro{
      padding:30px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.1);
      background:linear-gradient(145deg,rgba(37,31,29,.9),rgba(22,19,18,.88));
    }
    .faq-intro h2{margin:12px 0 0;font-size:clamp(30px,3vw,40px);line-height:1.2}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid rgba(255,255,255,.09);
      border-radius:20px;
      background:rgba(32,27,26,.78);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      min-height:66px;
      padding:0 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:var(--text);
      background:transparent;
      text-align:left;
      font-weight:800;
    }
    .faq-question span:last-child{
      width:30px;
      height:30px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:rgba(240,163,58,.11);
      color:var(--amber);
      transition:var(--ease);
      flex:0 0 auto;
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s ease;
      border-top:1px solid transparent;
    }
    .faq-answer p{margin:0;padding:0 20px 20px;color:var(--muted)}
    .faq-item.open{border-color:rgba(240,163,58,.28)}
    .faq-item.open .faq-answer{max-height:180px;border-top-color:rgba(240,163,58,.18)}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:rgba(240,163,58,.2)}
    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      padding:50px;
      border:1px solid rgba(240,163,58,.22);
      background:
        radial-gradient(circle at 78% 20%,rgba(240,163,58,.22),transparent 30%),
        linear-gradient(135deg,var(--wine-2),#171414 56%,#100f0f);
      box-shadow:var(--shadow);
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-110px;
      width:320px;
      height:320px;
      border-radius:50%;
      border:45px solid rgba(240,163,58,.08);
    }
    .cta-content{position:relative;z-index:2;max-width:720px}
    .cta-content h2{margin:0;font-size:clamp(32px,4vw,48px);line-height:1.15;letter-spacing:-.04em}
    .cta-content p{margin:16px 0 0;color:#e2d8ce;font-size:17px}
    .cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
    .site-footer{
      border-top:1px solid rgba(255,255,255,.08);
      background:#0d0d0d;
      padding:54px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .9fr;
      gap:32px;
      align-items:start;
    }
    .footer-logo{display:flex;align-items:center;gap:12px;font-weight:900;font-size:18px}
    .footer-desc{margin:16px 0 0;color:var(--muted);max-width:460px;font-size:15px}
    .footer-title{margin:0 0 14px;font-size:16px;color:var(--text)}
    .footer-links{display:grid;gap:10px}
    .footer-links a,
    .footer-links span{
      color:var(--muted);
      font-size:14px;
      transition:var(--ease);
    }
    .footer-links a:hover{color:var(--amber)}
    .footer-bottom{
      margin-top:36px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.07);
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:var(--subtle);
      font-size:13px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .container{width:min(var(--container),calc(100% - 48px))}
      .hero{min-height:auto}
      .hero-inner{grid-template-columns:1fr;gap:34px;padding:72px 0}
      .feature-board{max-width:720px}
      .notice-strip{grid-template-columns:1fr 1fr}
      .capability-layout,.latest-wrap,.guide-grid,.faq-grid{grid-template-columns:1fr}
      .visual-note{position:relative;top:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:820px){
      .menu-toggle{display:flex}
      .nav-cta{display:none}
      .nav-links{
        position:absolute;
        left:24px;
        right:24px;
        top:78px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:14px;
        border-radius:22px;
        border:1px solid rgba(255,255,255,.1);
        background:rgba(18,17,17,.96);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{min-height:44px;display:flex;align-items:center}
      .section{padding:72px 0}
      .section-tight{padding:52px 0}
      .section-head{display:block}
      .board-meta{grid-template-columns:1fr}
      .post-card{grid-template-columns:150px 1fr}
      .proof-band{grid-template-columns:1fr}
    }
    @media (max-width:620px){
      .container{width:calc(100% - 32px)}
      .nav-wrap{height:68px}
      .brand-text{font-size:15px;max-width:230px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .hero-inner{padding:56px 0}
      .hero-lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .media-cover{height:260px}
      .cover-caption{display:block}
      .notice-strip,.capability-grid{grid-template-columns:1fr}
      .cap-card:nth-child(2),.cap-card:nth-child(3){margin-top:0}
      .post-card{grid-template-columns:1fr;padding:14px}
      .post-thumb{height:178px}
      .guide{padding:22px}
      .screen-panel img{height:240px}
      .cta-panel{padding:30px 22px;border-radius:26px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:block}
    }
    @media (max-width:420px){
      h1{font-size:36px}
      .hero-badges,.hero-tags{gap:8px}
      .badge,.hero-tags span{font-size:12px}
      .post-card h3{font-size:19px}
      .faq-question{padding:0 16px}
    }

/* roulang page: article */
:root{
      --bg:#111111;
      --bg-2:#171414;
      --bg-3:#1d1919;
      --panel:#201b1a;
      --panel-soft:#251f1d;
      --text:#f7f1e8;
      --muted:#beb6ad;
      --subtle:#8e857d;
      --line:#2d2827;
      --line-bright:#463b36;
      --amber:#f0a33a;
      --amber-2:#d88b25;
      --amber-soft:rgba(240,163,58,.14);
      --wine:#7a2d36;
      --wine-2:#4a1f25;
      --olive:#7c8a55;
      --shadow:0 24px 70px rgba(0,0,0,.42);
      --glow:0 0 34px rgba(240,163,58,.18);
      --radius-lg:28px;
      --radius-md:22px;
      --radius-sm:14px;
      --container:1220px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 16% 0%,rgba(122,45,54,.32),transparent 34%),
        radial-gradient(circle at 84% 9%,rgba(240,163,58,.15),transparent 30%),
        linear-gradient(180deg,#111,#171414 46%,#111);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.15;
      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:40px 40px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.72),transparent 82%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(240,163,58,.35);color:var(--text)}
    :focus-visible{outline:3px solid rgba(240,163,58,.52);outline-offset:3px;border-radius:12px}
    .container{width:min(var(--container),calc(100% - 64px));margin:0 auto}
    .section{padding:88px 0}
    .section-tight{padding:60px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(240,163,58,.28);
      background:rgba(240,163,58,.09);
      color:#ffd49a;
      border-radius:999px;
      font-size:13px;
      font-weight:600;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 18px rgba(240,163,58,.8);
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(255,255,255,.06);
      background:rgba(17,17,17,.78);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      position:relative;
      flex:0 0 auto;
      background:linear-gradient(135deg,var(--amber),#9b4a25 52%,var(--wine));
      box-shadow:var(--glow);
    }
    .brand-mark::before{
      content:"";
      position:absolute;
      left:16px;
      top:12px;
      width:0;
      height:0;
      border-top:9px solid transparent;
      border-bottom:9px solid transparent;
      border-left:13px solid #17110d;
      filter:drop-shadow(0 1px 0 rgba(255,255,255,.18));
    }
    .brand-text{
      font-size:18px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav-links a{
      padding:10px 13px;
      color:var(--muted);
      border-radius:999px;
      font-size:14px;
      font-weight:600;
      transition:var(--ease);
      position:relative;
    }
    .nav-links a:hover,
    .nav-links a.active{
      color:var(--text);
      background:rgba(255,255,255,.06);
    }
    .nav-links a::after{
      content:"";
      position:absolute;
      left:16px;
      right:16px;
      bottom:6px;
      height:2px;
      transform:scaleX(0);
      transform-origin:left;
      background:var(--amber);
      transition:var(--ease);
    }
    .nav-links a:hover::after,
    .nav-links a.active::after{transform:scaleX(1)}
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      background:var(--amber);
      color:#1b1208;
      font-weight:800;
      box-shadow:0 12px 26px rgba(240,163,58,.22);
      transition:var(--ease);
      white-space:nowrap;
    }
    .nav-cta:hover{background:var(--amber-2);transform:translateY(-2px)}
    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      align-items:center;
      justify-content:center;
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      color:var(--text);
      border-radius:14px;
    }
    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after{
      display:block;
      width:20px;
      height:2px;
      background:var(--text);
      border-radius:4px;
      position:relative;
      transition:var(--ease);
    }
    .menu-toggle span::before,
    .menu-toggle span::after{content:"";position:absolute;left:0}
    .menu-toggle span::before{top:-7px}
    .menu-toggle span::after{top:7px}
    .menu-toggle.is-open span{background:transparent}
    .menu-toggle.is-open span::before{top:0;transform:rotate(45deg)}
    .menu-toggle.is-open span::after{top:0;transform:rotate(-45deg)}
    .btn-main,.btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:50px;
      padding:0 21px;
      border-radius:999px;
      font-weight:800;
      transition:var(--ease);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-main{
      background:var(--amber);
      color:#1b1208;
      box-shadow:0 18px 34px rgba(240,163,58,.2);
    }
    .btn-main:hover{background:var(--amber-2);transform:translateY(-2px);box-shadow:0 20px 40px rgba(240,163,58,.28)}
    .btn-ghost{
      color:var(--text);
      border-color:var(--line-bright);
      background:rgba(255,255,255,.035);
    }
    .btn-ghost:hover{border-color:rgba(240,163,58,.5);background:rgba(240,163,58,.08);color:#fff;transform:translateY(-2px)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.11);
      background:rgba(32,27,26,.72);
      color:var(--muted);
      font-size:13px;
      font-weight:600;
    }
    .badge-amber{border-color:rgba(240,163,58,.3);background:rgba(240,163,58,.1);color:#ffd49a}
    .badge-olive{border-color:rgba(124,138,85,.38);background:rgba(124,138,85,.12);color:#cbd6a0}
    .article-hero{
      position:relative;
      overflow:hidden;
      border-bottom:1px solid rgba(255,255,255,.06);
      background:
        linear-gradient(90deg,rgba(17,17,17,.95),rgba(17,17,17,.78) 48%,rgba(17,17,17,.5)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
    }
    .article-hero::after{
      content:"";
      position:absolute;
      inset:auto 0 0;
      height:150px;
      background:linear-gradient(to bottom,transparent,var(--bg));
      pointer-events:none;
    }
    .article-hero-inner{
      position:relative;
      z-index:2;
      padding:72px 0 70px;
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:44px;
      align-items:end;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      align-items:center;
      margin:0 0 22px;
      color:var(--muted);
      font-size:14px;
    }
    .breadcrumb a{
      color:#dfd4ca;
      transition:var(--ease);
    }
    .breadcrumb a:hover{color:var(--amber)}
    .breadcrumb span{color:var(--subtle)}
    .article-title{
      margin:18px 0 18px;
      max-width:880px;
      font-size:clamp(34px,5vw,62px);
      line-height:1.12;
      letter-spacing:-.045em;
      font-weight:800;
    }
    .article-summary{
      max-width:820px;
      margin:0;
      color:var(--muted);
      font-size:17px;
      line-height:1.9;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:28px;
    }
    .hero-note-card{
      border:1px solid rgba(255,255,255,.1);
      background:linear-gradient(180deg,rgba(37,31,29,.88),rgba(25,21,20,.86));
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:var(--shadow);
    }
    .hero-note-card h2{
      font-size:19px;
      margin:0 0 12px;
      font-weight:800;
    }
    .hero-note-card p{
      margin:0 0 18px;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .mini-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .mini-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#ddd1c8;
      font-size:14px;
    }
    .mini-list li::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--amber);
      margin-top:9px;
      box-shadow:0 0 15px rgba(240,163,58,.6);
      flex:0 0 auto;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) minmax(260px,1fr);
      gap:42px;
      align-items:start;
    }
    .article-main{
      min-width:0;
    }
    .cover-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.1);
      background:var(--panel);
      box-shadow:var(--shadow);
      margin-bottom:34px;
    }
    .cover-card img{
      width:100%;
      aspect-ratio:16/8.8;
      object-fit:cover;
      filter:saturate(.9) contrast(1.05) brightness(.72);
      transition:var(--ease);
    }
    .cover-card:hover img{transform:scale(1.02)}
    .cover-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 22% 18%,rgba(240,163,58,.18),transparent 28%),
        linear-gradient(to top,rgba(0,0,0,.62),transparent 55%);
      pointer-events:none;
    }
    .play-chip{
      position:absolute;
      left:22px;
      bottom:22px;
      z-index:2;
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:10px 14px;
      border-radius:999px;
      background:rgba(17,17,17,.72);
      border:1px solid rgba(255,255,255,.14);
      color:#fff0dc;
      font-size:14px;
      font-weight:700;
      backdrop-filter:blur(12px);
    }
    .play-dot{
      width:34px;
      height:34px;
      border-radius:50%;
      background:var(--amber);
      position:relative;
      box-shadow:0 0 26px rgba(240,163,58,.32);
    }
    .play-dot::before{
      content:"";
      position:absolute;
      left:13px;
      top:9px;
      width:0;
      height:0;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      border-left:11px solid #20140a;
    }
    .article-content{
      padding:40px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.1);
      background:
        linear-gradient(180deg,rgba(37,31,29,.86),rgba(29,25,24,.9)),
        radial-gradient(circle at 0 0,rgba(240,163,58,.08),transparent 34%);
      box-shadow:var(--shadow);
      color:#eadfd5;
      font-size:18px;
      line-height:1.9;
    }
    .article-content.empty{
      text-align:center;
      padding:64px 28px;
    }
    .empty-icon{
      width:72px;
      height:72px;
      border-radius:24px;
      margin:0 auto 18px;
      background:linear-gradient(135deg,rgba(240,163,58,.22),rgba(122,45,54,.18));
      border:1px solid rgba(240,163,58,.22);
      position:relative;
    }
    .empty-icon::before{
      content:"";
      position:absolute;
      left:28px;
      top:22px;
      width:0;
      height:0;
      border-top:14px solid transparent;
      border-bottom:14px solid transparent;
      border-left:20px solid var(--amber);
    }
    .article-content h2{
      margin:2.1em 0 .75em;
      padding-left:18px;
      position:relative;
      color:var(--text);
      font-size:30px;
      line-height:1.28;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .article-content h2::before{
      content:"";
      position:absolute;
      left:0;
      top:.18em;
      width:5px;
      height:1.05em;
      border-radius:999px;
      background:var(--amber);
      box-shadow:0 0 18px rgba(240,163,58,.4);
    }
    .article-content h3{
      margin:1.7em 0 .55em;
      color:#fff5e9;
      font-size:23px;
      line-height:1.35;
      font-weight:800;
    }
    .article-content p{margin:0 0 1.18em}
    .article-content a{
      color:#ffd49a;
      border-bottom:1px solid rgba(240,163,58,.4);
      transition:var(--ease);
    }
    .article-content a:hover{
      color:#fff0dc;
      border-bottom-color:var(--amber);
    }
    .article-content ul,
    .article-content ol{
      margin:1em 0 1.25em;
      padding-left:1.35em;
    }
    .article-content li{margin:.45em 0;padding-left:.15em}
    .article-content blockquote{
      margin:1.5em 0;
      padding:22px 24px;
      border-left:4px solid var(--amber);
      border-radius:18px;
      background:rgba(17,17,17,.38);
      color:#e1d5cb;
    }
    .article-content figure{margin:1.6em 0}
    .article-content img{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      box-shadow:0 18px 50px rgba(0,0,0,.28);
    }
    .article-content figcaption{
      margin-top:10px;
      text-align:center;
      color:var(--subtle);
      font-size:14px;
    }
    .article-content table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:1.5em 0;
      overflow:hidden;
      border:1px solid var(--line-bright);
      border-radius:16px;
      display:block;
      max-width:100%;
      overflow-x:auto;
      white-space:nowrap;
      background:rgba(17,17,17,.28);
    }
    .article-content th,
    .article-content td{
      padding:13px 15px;
      border-bottom:1px solid var(--line);
      color:#eadfd5;
      min-width:120px;
    }
    .article-content th{
      color:#fff0dc;
      background:rgba(240,163,58,.09);
      font-weight:800;
    }
    .article-content tr:last-child td{border-bottom:0}
    .article-sidebar{
      position:sticky;
      top:100px;
      display:grid;
      gap:18px;
      min-width:0;
    }
    .side-card{
      border:1px solid rgba(255,255,255,.1);
      background:linear-gradient(180deg,rgba(37,31,29,.86),rgba(28,24,23,.84));
      border-radius:var(--radius-md);
      padding:22px;
      box-shadow:0 18px 50px rgba(0,0,0,.24);
    }
    .side-card h2,
    .side-card h3{
      margin:0 0 13px;
      font-size:18px;
      font-weight:800;
      color:#fff3e7;
    }
    .side-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:14px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.1);
      color:#d9cec5;
      font-size:12px;
      font-weight:700;
      transition:var(--ease);
    }
    .tag:hover{
      border-color:rgba(240,163,58,.4);
      color:#ffd49a;
      background:rgba(240,163,58,.08);
    }
    .toc-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:11px;
    }
    .toc-list a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:11px 12px;
      border-radius:14px;
      color:var(--muted);
      background:rgba(255,255,255,.035);
      border:1px solid transparent;
      transition:var(--ease);
      font-size:14px;
    }
    .toc-list a:hover{
      color:var(--text);
      border-color:rgba(240,163,58,.28);
      background:rgba(240,163,58,.07);
      transform:translateX(2px);
    }
    .notice-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      margin-top:-30px;
      position:relative;
      z-index:3;
    }
    .notice-item{
      padding:16px 18px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(32,27,26,.78);
      backdrop-filter:blur(12px);
      color:#d8cec5;
      font-size:14px;
      box-shadow:0 12px 38px rgba(0,0,0,.18);
    }
    .notice-item strong{
      display:block;
      color:#fff0dc;
      margin-bottom:3px;
      font-weight:800;
    }
    .related-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:24px;
    }
    .related-head h2,
    .faq-title h2{
      margin:0;
      font-size:clamp(28px,3.8vw,42px);
      line-height:1.2;
      font-weight:800;
      letter-spacing:-.03em;
    }
    .related-head p,
    .faq-title p{
      margin:9px 0 0;
      color:var(--muted);
      max-width:680px;
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .related-card{
      display:flex;
      flex-direction:column;
      min-height:230px;
      overflow:hidden;
      border-radius:var(--radius-md);
      border:1px solid rgba(255,255,255,.1);
      background:linear-gradient(180deg,rgba(37,31,29,.88),rgba(27,23,22,.88));
      transition:var(--ease);
      box-shadow:0 16px 45px rgba(0,0,0,.22);
    }
    .related-card:hover{
      transform:translateY(-4px);
      border-color:rgba(240,163,58,.35);
      box-shadow:0 22px 58px rgba(0,0,0,.34);
    }
    .related-media{
      position:relative;
      overflow:hidden;
      aspect-ratio:16/8.5;
      background:var(--panel-soft);
    }
    .related-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:brightness(.72) saturate(.9);
      transition:var(--ease);
    }
    .related-card:hover .related-media img{transform:scale(1.04)}
    .related-body{
      padding:18px;
      display:flex;
      flex-direction:column;
      flex:1;
    }
    .related-body h3{
      margin:10px 0 8px;
      font-size:19px;
      line-height:1.4;
      font-weight:800;
    }
    .related-body p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .card-link{
      margin-top:auto;
      padding-top:16px;
      color:#ffd49a;
      font-size:14px;
      font-weight:800;
      transition:var(--ease);
    }
    .related-card:hover .card-link{color:#fff0dc}
    .faq-wrap{
      display:grid;
      grid-template-columns:.88fr 1.12fr;
      gap:34px;
      align-items:start;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border:1px solid rgba(255,255,255,.1);
      background:rgba(32,27,26,.72);
      border-radius:18px;
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      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-question .plus{
      width:26px;
      height:26px;
      flex:0 0 auto;
      border-radius:50%;
      background:rgba(240,163,58,.12);
      position:relative;
      transition:var(--ease);
    }
    .faq-question .plus::before,
    .faq-question .plus::after{
      content:"";
      position:absolute;
      left:7px;
      right:7px;
      top:12px;
      height:2px;
      background:var(--amber);
      border-radius:4px;
    }
    .faq-question .plus::after{transform:rotate(90deg)}
    .faq-item.is-open .plus{transform:rotate(45deg)}
    .faq-answer{
      display:none;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:15px;
      line-height:1.85;
      border-top:1px solid rgba(240,163,58,.12);
    }
    .faq-item.is-open .faq-answer{display:block}
    .cta-band{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid rgba(240,163,58,.18);
      background:
        radial-gradient(circle at 18% 28%,rgba(240,163,58,.2),transparent 30%),
        radial-gradient(circle at 88% 26%,rgba(122,45,54,.42),transparent 34%),
        linear-gradient(135deg,#241b18,#401d22 55%,#1a1514);
      box-shadow:var(--shadow);
      padding:44px;
    }
    .cta-band::before{
      content:"";
      position:absolute;
      inset:16px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.07);
      pointer-events:none;
    }
    .cta-content{
      position:relative;
      z-index:2;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .cta-content h2{
      margin:0 0 10px;
      font-size:clamp(26px,4vw,42px);
      line-height:1.2;
      font-weight:800;
      letter-spacing:-.03em;
    }
    .cta-content p{
      margin:0;
      max-width:720px;
      color:#d9cec5;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      flex:0 0 auto;
    }
    .site-footer{
      border-top:1px solid rgba(255,255,255,.08);
      background:
        radial-gradient(circle at 15% 0,rgba(122,45,54,.22),transparent 34%),
        linear-gradient(180deg,#141211,#0f0f0f);
      padding:58px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr 1.15fr;
      gap:34px;
      padding-bottom:34px;
    }
    .footer-logo{
      display:flex;
      align-items:center;
      gap:12px;
      font-size:18px;
      font-weight:800;
      margin-bottom:14px;
    }
    .footer-desc{
      margin:0;
      color:var(--muted);
      max-width:460px;
      font-size:14px;
      line-height:1.85;
    }
    .footer-title{
      margin:4px 0 14px;
      font-size:16px;
      font-weight:800;
    }
    .footer-links{
      display:grid;
      gap:9px;
      color:var(--muted);
      font-size:14px;
    }
    .footer-links a,
    .footer-links span{
      color:var(--muted);
      transition:var(--ease);
    }
    .footer-links a:hover{color:var(--amber);transform:translateX(2px)}
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--subtle);
      font-size:13px;
    }
    @media (max-width:1199px){
      .article-hero-inner{grid-template-columns:1fr;align-items:start}
      .hero-note-card{max-width:680px}
      .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:28px}
      .related-grid{grid-template-columns:repeat(3,1fr)}
    }
    @media (max-width:991px){
      .container{width:min(var(--container),calc(100% - 48px))}
      .nav-cta{display:none}
      .menu-toggle{display:flex}
      .nav-links{
        position:absolute;
        left:24px;
        right:24px;
        top:76px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:6px;
        padding:14px;
        border:1px solid rgba(255,255,255,.1);
        border-radius:20px;
        background:rgba(20,18,17,.96);
        box-shadow:var(--shadow);
      }
      .nav-links.is-open{display:flex}
      .nav-links a{padding:13px 14px}
      .article-hero-inner{padding:58px 0 58px}
      .notice-strip{grid-template-columns:repeat(2,1fr)}
      .article-layout{grid-template-columns:1fr}
      .article-sidebar{position:static;grid-template-columns:repeat(2,1fr)}
      .related-grid{grid-template-columns:1fr}
      .related-card{min-height:auto}
      .faq-wrap{grid-template-columns:1fr}
      .cta-content{flex-direction:column;align-items:flex-start}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:767px){
      .container{width:calc(100% - 32px)}
      .section{padding:62px 0}
      .section-tight{padding:46px 0}
      .nav-wrap{height:70px}
      .brand-text{font-size:16px;max-width:210px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .brand-mark::before{left:15px;top:11px}
      .nav-links{top:70px;left:16px;right:16px}
      .article-hero-inner{padding:46px 0 50px}
      .article-title{font-size:clamp(32px,10vw,44px)}
      .article-summary{font-size:16px}
      .meta-row{gap:8px}
      .notice-strip{grid-template-columns:1fr;margin-top:-18px}
      .cover-card{border-radius:22px}
      .cover-card img{aspect-ratio:16/10}
      .article-content{padding:28px 20px;font-size:17px;line-height:1.86;border-radius:22px}
      .article-content h2{font-size:25px}
      .article-content h3{font-size:21px}
      .article-sidebar{grid-template-columns:1fr}
      .related-head{display:block}
      .cta-band{padding:32px 22px}
      .cta-actions{width:100%}
      .cta-actions .btn-main,
      .cta-actions .btn-ghost{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:420px){
      .brand-text{max-width:172px}
      .breadcrumb{font-size:13px}
      .badge{font-size:12px;padding:6px 10px}
      .article-content{padding:24px 16px}
      .play-chip{left:14px;bottom:14px;font-size:12px}
      .side-card{padding:18px}
      .btn-main,.btn-ghost{min-height:46px;padding:0 16px}
    }

/* 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}