/* roulang page: index */
:root{
      --bg:#141217;
      --bg-2:#1a151d;
      --surface:#231b27;
      --surface-2:#2b2230;
      --surface-3:#332839;
      --text:#f4eef2;
      --muted:#c8bbc6;
      --weak:#8d7f8a;
      --line:rgba(232,214,194,.16);
      --line-strong:rgba(232,214,194,.28);
      --accent:#c7779c;
      --accent-2:#b86a8b;
      --accent-dark:#6f304b;
      --cream:#f1e6d7;
      --champagne:#e8d6c2;
      --warn:#4a1827;
      --success:#77c9a1;
      --error:#e08a8a;
      --radius-xs:10px;
      --radius-sm:14px;
      --radius-md:20px;
      --radius-lg:28px;
      --radius-xl:36px;
      --shadow:0 24px 70px rgba(0,0,0,.34);
      --shadow-soft:0 14px 36px rgba(0,0,0,.22);
      --container:1200px;
      --ease:180ms ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 8%, rgba(199,119,156,.20), transparent 34%),
        radial-gradient(circle at 86% 20%, rgba(232,214,194,.08), transparent 30%),
        linear-gradient(180deg, var(--bg), #100f13 56%, #171219);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.26;
      background-image:
        linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(to bottom, #000, transparent 80%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{
      font:inherit;
      color:inherit;
    }
    button{cursor:pointer;border:0;background:none}
    input,select,textarea{outline:none}
    :focus-visible{
      outline:2px solid rgba(199,119,156,.95);
      outline-offset:3px;
    }
    .container{
      width:min(var(--container), calc(100% - 48px));
      margin-inline:auto;
    }
    .section{
      padding:88px 0;
      position:relative;
    }
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--champagne);
      background:rgba(232,214,194,.08);
      border:1px solid var(--line);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      line-height:1.2;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 18px rgba(199,119,156,.78);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:24px;
      margin-bottom:30px;
    }
    .section-title{
      margin:12px 0 0;
      font-size:clamp(28px,3.1vw,40px);
      line-height:1.22;
      letter-spacing:-.02em;
    }
    .section-desc{
      max-width:620px;
      margin:12px 0 0;
      color:var(--muted);
      font-size:16px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid transparent;
      transition:background var(--ease), border-color var(--ease), backdrop-filter var(--ease);
    }
    .site-header.is-scrolled{
      background:rgba(20,18,23,.82);
      border-bottom-color:var(--line);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      letter-spacing:-.03em;
    }
    .brand-mark{
      width:40px;
      height:40px;
      border-radius:14px;
      background:
        radial-gradient(circle at 32% 30%, rgba(241,230,215,.78), transparent 16%),
        linear-gradient(135deg, var(--accent), #5b2840);
      box-shadow:0 12px 28px rgba(199,119,156,.22), inset 0 0 0 1px rgba(255,255,255,.2);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:10px;
      border:1px solid rgba(255,255,255,.56);
      border-radius:9px;
      clip-path:polygon(0 0,100% 0,100% 68%,50% 100%,0 68%);
      opacity:.72;
    }
    .brand-text{
      font-size:16px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:280px;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:6px;
      padding:7px;
      border:1px solid var(--line);
      background:rgba(35,27,39,.56);
      border-radius:999px;
    }
    .desktop-nav a{
      position:relative;
      padding:9px 14px;
      color:var(--muted);
      font-size:14px;
      border-radius:999px;
      transition:color var(--ease), background var(--ease);
    }
    .desktop-nav a:hover,
    .desktop-nav a.active{
      color:var(--text);
      background:rgba(199,119,156,.14);
    }
    .desktop-nav a::after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:5px;
      height:2px;
      border-radius:999px;
      background:var(--accent);
      transform:scaleX(0);
      transform-origin:center;
      transition:transform var(--ease);
    }
    .desktop-nav a:hover::after,
    .desktop-nav a.active::after{transform:scaleX(1)}
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .age-badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:34px;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(241,230,215,.22);
      background:linear-gradient(180deg, rgba(74,24,39,.86), rgba(74,24,39,.58));
      color:var(--cream);
      font-weight:750;
      font-size:13px;
      white-space:nowrap;
    }
    .privacy-link{
      color:var(--muted);
      font-size:14px;
      padding:9px 10px;
      border-radius:999px;
      transition:background var(--ease), color var(--ease);
    }
    .privacy-link:hover{
      background:rgba(255,255,255,.06);
      color:var(--text);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:12px 18px;
      border-radius:999px;
      font-weight:700;
      line-height:1.2;
      border:1px solid transparent;
      transition:transform var(--ease), background var(--ease), border-color var(--ease), box-shadow var(--ease), color var(--ease);
      user-select:none;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn-primary{
      background:linear-gradient(135deg, var(--accent), var(--accent-dark));
      color:var(--cream);
      box-shadow:0 16px 34px rgba(199,119,156,.24);
    }
    .btn-primary:hover{
      box-shadow:0 20px 46px rgba(199,119,156,.34);
      filter:brightness(1.05);
    }
    .btn-secondary{
      border-color:var(--line-strong);
      color:var(--cream);
      background:rgba(255,255,255,.035);
    }
    .btn-secondary:hover{
      border-color:rgba(199,119,156,.55);
      background:rgba(199,119,156,.13);
    }
    .btn-ghost{
      color:var(--champagne);
      background:rgba(232,214,194,.08);
      border-color:var(--line);
    }
    .btn-ghost:hover{
      color:var(--text);
      background:rgba(232,214,194,.12);
    }
    .btn[disabled]{
      opacity:.48;
      cursor:not-allowed;
      transform:none;
      box-shadow:none;
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.05);
    }
    .menu-toggle span{
      display:block;
      width:18px;
      height:2px;
      margin:5px auto;
      border-radius:999px;
      background:var(--cream);
      transition:transform var(--ease), opacity var(--ease);
    }
    .mobile-panel{
      display:none;
      border-top:1px solid var(--line);
      background:rgba(20,18,23,.96);
      backdrop-filter:blur(16px);
    }
    .mobile-panel.is-open{display:block}
    .mobile-panel-inner{
      padding:14px 0 22px;
      display:grid;
      gap:10px;
    }
    .mobile-panel a{
      padding:13px 14px;
      border-radius:14px;
      color:var(--muted);
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.06);
    }
    .mobile-panel a.active,
    .mobile-panel a:hover{
      color:var(--text);
      border-color:rgba(199,119,156,.35);
      background:rgba(199,119,156,.10);
    }

    .hero{
      min-height:760px;
      padding:82px 0 54px;
      position:relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:-76px 0 0;
      background:
        linear-gradient(90deg, rgba(20,18,23,.92) 0%, rgba(20,18,23,.72) 48%, rgba(20,18,23,.86) 100%),
        radial-gradient(circle at 70% 35%, rgba(199,119,156,.24), transparent 32%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      filter:saturate(.86);
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(to bottom, transparent 0%, rgba(20,18,23,.62) 76%, var(--bg) 100%);
      z-index:-1;
    }
    .hero-layout{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(420px,.98fr);
      gap:48px;
      align-items:center;
    }
    .hero-copy{
      max-width:690px;
    }
    .hero-kicker{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-bottom:22px;
    }
    h1{
      margin:0;
      font-size:clamp(34px,5vw,62px);
      line-height:1.12;
      letter-spacing:-.055em;
      font-weight:850;
    }
    .hero-subtitle{
      margin:22px 0 0;
      color:var(--muted);
      font-size:clamp(16px,1.6vw,19px);
      max-width:640px;
    }
    .hero-actions{
      margin-top:30px;
      display:flex;
      flex-wrap:wrap;
      gap:14px;
    }
    .notice-strip{
      margin-top:26px;
      display:flex;
      align-items:flex-start;
      gap:12px;
      max-width:650px;
      padding:14px 16px;
      border-radius:18px;
      border:1px solid rgba(241,230,215,.18);
      background:rgba(35,27,39,.66);
      color:var(--muted);
      font-size:14px;
    }
    .notice-strip strong{color:var(--cream)}
    .notice-icon{
      flex:0 0 28px;
      width:28px;
      height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(199,119,156,.18);
      color:var(--cream);
      font-weight:800;
    }
    .hero-board{
      position:relative;
      min-height:560px;
    }
    .hero-board::before{
      content:"";
      position:absolute;
      inset:36px 28px 10px 0;
      border-radius:42px;
      background:linear-gradient(135deg, rgba(199,119,156,.18), rgba(241,230,215,.05));
      filter:blur(.2px);
      transform:rotate(-2deg);
      border:1px solid rgba(232,214,194,.12);
    }
    .feature-panel{
      position:absolute;
      right:0;
      top:20px;
      width:min(100%,520px);
      border-radius:34px;
      overflow:hidden;
      background:rgba(26,21,29,.74);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      backdrop-filter:blur(14px);
    }
    .feature-cover{
      height:250px;
      position:relative;
      overflow:hidden;
      background:#241b26;
    }
    .feature-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:brightness(.62) saturate(.8) blur(.2px);
      transform:scale(1.03);
    }
    .feature-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(to bottom, rgba(20,18,23,.12), rgba(20,18,23,.86));
    }
    .cover-meta{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      z-index:2;
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:14px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:7px 11px;
      color:var(--cream);
      border:1px solid rgba(241,230,215,.18);
      background:rgba(20,18,23,.62);
      font-size:13px;
      line-height:1.1;
    }
    .feature-body{
      padding:22px;
    }
    .feature-body h2{
      margin:0;
      font-size:24px;
      line-height:1.25;
    }
    .feature-body p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:15px;
    }
    .mini-stack{
      position:absolute;
      left:0;
      bottom:32px;
      width:min(92%,430px);
      display:grid;
      gap:14px;
    }
    .mini-card{
      display:grid;
      grid-template-columns:84px 1fr;
      gap:14px;
      align-items:center;
      padding:12px;
      border-radius:22px;
      border:1px solid var(--line);
      background:rgba(35,27,39,.82);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(12px);
      transition:transform var(--ease), border-color var(--ease);
    }
    .mini-card:nth-child(2){
      margin-left:54px;
      background:rgba(43,34,48,.86);
    }
    .mini-card:hover{
      transform:translateY(-4px);
      border-color:rgba(199,119,156,.42);
    }
    .mini-thumb{
      width:84px;
      height:70px;
      border-radius:16px;
      overflow:hidden;
      background:var(--surface-3);
      position:relative;
    }
    .mini-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:brightness(.66) saturate(.78);
    }
    .mini-info strong{
      display:block;
      line-height:1.35;
      font-size:15px;
    }
    .mini-info span{
      display:block;
      margin-top:4px;
      color:var(--weak);
      font-size:13px;
    }
    .trust-row{
      margin-top:42px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .trust-item{
      padding:18px;
      border-radius:22px;
      border:1px solid var(--line);
      background:rgba(35,27,39,.54);
    }
    .trust-item b{
      display:block;
      color:var(--cream);
      font-size:24px;
      line-height:1;
    }
    .trust-item span{
      display:block;
      margin-top:8px;
      color:var(--muted);
      font-size:13px;
    }

    .filter-shell{
      padding:24px;
      border-radius:34px;
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(35,27,39,.86), rgba(26,21,29,.76));
      box-shadow:var(--shadow-soft);
    }
    .filter-tabs{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:22px;
    }
    .filter-tab{
      min-height:40px;
      padding:9px 14px;
      border-radius:999px;
      border:1px solid var(--line);
      color:var(--muted);
      background:rgba(255,255,255,.035);
      transition:background var(--ease), color var(--ease), border-color var(--ease);
    }
    .filter-tab:hover,
    .filter-tab.active{
      color:var(--cream);
      background:rgba(199,119,156,.22);
      border-color:rgba(199,119,156,.52);
    }
    .entry-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:18px;
    }
    .entry-card{
      position:relative;
      overflow:hidden;
      min-height:245px;
      padding:24px;
      border-radius:28px;
      border:1px solid var(--line);
      background:var(--surface);
      transition:transform var(--ease), border-color var(--ease), background var(--ease);
    }
    .entry-card:hover{
      transform:translateY(-4px);
      border-color:rgba(199,119,156,.42);
      background:#2a202e;
    }
    .entry-card.large{
      min-height:360px;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
      background:
        linear-gradient(180deg, rgba(20,18,23,.14), rgba(20,18,23,.92)),
        url('/assets/images/coverpic/cover-2.webp') center/cover no-repeat;
    }
    .entry-card h3{
      margin:14px 0 0;
      font-size:clamp(22px,2.2vw,31px);
      line-height:1.25;
    }
    .entry-card p{
      color:var(--muted);
      margin:10px 0 20px;
      max-width:660px;
    }
    .entry-side{
      display:grid;
      gap:18px;
    }
    .soft-icon{
      width:46px;
      height:46px;
      border-radius:17px;
      display:grid;
      place-items:center;
      color:var(--cream);
      background:linear-gradient(135deg, rgba(199,119,156,.42), rgba(111,48,75,.24));
      border:1px solid rgba(241,230,215,.16);
      font-weight:900;
    }

    .updates-layout{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:18px;
    }
    .post-card{
      position:relative;
      display:grid;
      grid-template-columns:168px 1fr;
      gap:18px;
      padding:16px;
      border-radius:26px;
      border:1px solid var(--line);
      background:rgba(35,27,39,.72);
      transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease), background var(--ease);
      min-height:174px;
    }
    .post-card:hover{
      transform:translateY(-4px);
      border-color:rgba(199,119,156,.42);
      box-shadow:0 18px 42px rgba(0,0,0,.24);
      background:rgba(43,34,48,.86);
    }
    .post-cover{
      min-height:142px;
      border-radius:20px;
      overflow:hidden;
      background:
        linear-gradient(135deg, rgba(199,119,156,.18), rgba(241,230,215,.06)),
        var(--surface-3);
      position:relative;
    }
    .post-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:brightness(.64) saturate(.82);
      transition:transform 260ms ease;
    }
    .post-card:hover .post-cover img{transform:scale(1.05)}
    .post-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(to bottom, transparent, rgba(20,18,23,.48));
    }
    .post-body{
      min-width:0;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:12px;
    }
    .post-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      color:var(--weak);
      font-size:13px;
    }
    .post-category{
      color:var(--champagne);
      padding:5px 9px;
      border-radius:999px;
      background:rgba(232,214,194,.08);
      border:1px solid var(--line);
    }
    .post-card h3{
      margin:0;
      font-size:20px;
      line-height:1.35;
      transition:color var(--ease);
    }
    .post-card:hover h3{color:var(--accent)}
    .post-card p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .read-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--champagne);
      font-weight:700;
      font-size:14px;
      width:max-content;
    }
    .read-link:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
    .empty-state{
      grid-column:1 / -1;
      min-height:260px;
      display:grid;
      place-items:center;
      text-align:center;
      padding:34px;
      border-radius:30px;
      border:1px dashed rgba(232,214,194,.28);
      background:rgba(35,27,39,.54);
    }
    .empty-state .empty-icon{
      width:58px;
      height:58px;
      margin:0 auto 14px;
      border-radius:22px;
      display:grid;
      place-items:center;
      background:rgba(199,119,156,.16);
      color:var(--cream);
      font-size:24px;
    }
    .empty-state p{
      margin:0;
      color:var(--muted);
    }

    .safety-band{
      border-radius:36px;
      border:1px solid var(--line);
      background:
        radial-gradient(circle at 12% 18%, rgba(199,119,156,.22), transparent 28%),
        linear-gradient(135deg, rgba(35,27,39,.96), rgba(22,17,25,.92));
      padding:32px;
      overflow:hidden;
      position:relative;
    }
    .safety-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:24px;
    }
    .step-card{
      padding:20px;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.035);
      min-height:190px;
      transition:transform var(--ease), border-color var(--ease);
    }
    .step-card:hover{
      transform:translateY(-4px);
      border-color:rgba(199,119,156,.42);
    }
    .step-num{
      width:38px;
      height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:var(--cream);
      background:rgba(199,119,156,.22);
      border:1px solid rgba(199,119,156,.34);
      font-weight:800;
    }
    .step-card h3{
      margin:16px 0 8px;
      font-size:19px;
    }
    .step-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .experience-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:stretch;
    }
    .visual-card{
      min-height:520px;
      border-radius:36px;
      overflow:hidden;
      border:1px solid var(--line);
      background:
        linear-gradient(to bottom, rgba(20,18,23,.18), rgba(20,18,23,.92)),
        url('/assets/images/coverpic/cover-3.webp') center/cover no-repeat;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
      padding:28px;
      box-shadow:var(--shadow-soft);
    }
    .visual-card h2{
      margin:12px 0 0;
      font-size:34px;
      line-height:1.18;
    }
    .visual-card p{
      margin:12px 0 0;
      color:var(--muted);
    }
    .timeline{
      display:grid;
      gap:14px;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:76px 1fr;
      gap:18px;
      padding:22px;
      border-radius:26px;
      border:1px solid var(--line);
      background:rgba(35,27,39,.66);
      transition:border-color var(--ease), transform var(--ease), background var(--ease);
    }
    .timeline-item:hover{
      transform:translateX(4px);
      border-color:rgba(199,119,156,.42);
      background:rgba(43,34,48,.78);
    }
    .timeline-badge{
      width:66px;
      height:66px;
      border-radius:22px;
      display:grid;
      place-items:center;
      font-weight:850;
      color:var(--cream);
      background:linear-gradient(135deg, rgba(199,119,156,.35), rgba(232,214,194,.08));
      border:1px solid var(--line);
    }
    .timeline-item h3{
      margin:0;
      font-size:21px;
    }
    .timeline-item p{
      margin:7px 0 0;
      color:var(--muted);
      font-size:15px;
    }

    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:34px;
      align-items:start;
    }
    .faq-aside{
      position:sticky;
      top:100px;
      padding:26px;
      border-radius:30px;
      border:1px solid var(--line);
      background:rgba(35,27,39,.7);
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border-radius:22px;
      border:1px solid var(--line);
      background:rgba(35,27,39,.62);
      overflow:hidden;
      transition:border-color var(--ease), background var(--ease);
    }
    .faq-item.is-open{
      border-color:rgba(199,119,156,.44);
      background:rgba(43,34,48,.86);
    }
    .faq-question{
      width:100%;
      min-height:62px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      padding:18px 20px;
      color:var(--text);
      text-align:left;
      font-weight:750;
    }
    .faq-plus{
      width:28px;
      height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--cream);
      background:rgba(199,119,156,.18);
      flex:0 0 auto;
      transition:transform var(--ease), background var(--ease);
    }
    .faq-item.is-open .faq-plus{
      transform:rotate(45deg);
      background:rgba(199,119,156,.32);
    }
    .faq-answer{
      display:none;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.is-open .faq-answer{display:block}

    .cta-panel{
      border-radius:38px;
      border:1px solid rgba(232,214,194,.22);
      background:
        radial-gradient(circle at 18% 18%, rgba(199,119,156,.35), transparent 28%),
        radial-gradient(circle at 84% 80%, rgba(232,214,194,.10), transparent 34%),
        linear-gradient(135deg, #251a28, #171219);
      padding:42px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
      box-shadow:var(--shadow-soft);
    }
    .cta-panel h2{
      margin:0;
      font-size:clamp(28px,3vw,42px);
      line-height:1.18;
    }
    .cta-panel p{
      margin:12px 0 0;
      color:var(--muted);
      max-width:720px;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }

    .feedback-layout{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:28px;
      align-items:start;
    }
    .feedback-note{
      padding:28px;
      border-radius:32px;
      border:1px solid var(--line);
      background:rgba(35,27,39,.7);
    }
    .feedback-note ul{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .feedback-note li{
      display:flex;
      gap:10px;
      color:var(--muted);
    }
    .feedback-note li::before{
      content:"✓";
      color:var(--success);
      font-weight:900;
    }
    .form-card{
      padding:26px;
      border-radius:32px;
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(35,27,39,.84), rgba(26,21,29,.74));
      box-shadow:var(--shadow-soft);
    }
    .form-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    .field{display:grid;gap:8px}
    .field.full{grid-column:1 / -1}
    .field label{
      color:var(--cream);
      font-weight:700;
      font-size:14px;
    }
    .field input,
    .field select,
    .field textarea{
      width:100%;
      border:1px solid var(--line);
      border-radius:16px;
      background:rgba(12,10,14,.55);
      color:var(--text);
      padding:13px 14px;
      transition:border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }
    .field textarea{min-height:132px;resize:vertical}
    .field input::placeholder,
    .field textarea::placeholder{color:#796c76}
    .field input:focus,
    .field select:focus,
    .field textarea:focus{
      border-color:rgba(199,119,156,.72);
      box-shadow:0 0 0 4px rgba(199,119,156,.14);
      background:rgba(12,10,14,.72);
    }
    .field.error input,
    .field.error textarea{
      border-color:rgba(224,138,138,.82);
    }
    .field-hint{
      color:var(--weak);
      font-size:13px;
    }
    .check-row{
      grid-column:1 / -1;
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
      font-size:14px;
    }
    .check-row input{
      width:18px;
      height:18px;
      margin-top:4px;
      accent-color:var(--accent);
    }
    .form-actions{
      grid-column:1 / -1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:4px;
    }
    .state-text{
      color:var(--weak);
      font-size:13px;
    }
    .state-text.success{color:var(--success)}
    .state-text.error{color:var(--error)}

    .site-footer{
      border-top:1px solid var(--line);
      background:rgba(14,12,16,.78);
      padding:52px 0 28px;
    }
    .footer-top{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand .brand-text{
      max-width:100%;
      font-size:18px;
    }
    .footer-brand p{
      margin:16px 0 0;
      color:var(--muted);
      max-width:520px;
      font-size:14px;
    }
    .footer-col h3{
      margin:0 0 14px;
      font-size:16px;
      color:var(--cream);
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      transition:color var(--ease), transform var(--ease);
    }
    .footer-links a:hover{
      color:var(--accent);
      transform:translateX(3px);
    }
    .footer-warning{
      margin-top:26px;
      padding:16px;
      border-radius:20px;
      border:1px solid rgba(241,230,215,.16);
      background:rgba(74,24,39,.34);
      color:var(--muted);
      font-size:13px;
    }
    .footer-bottom{
      margin-top:28px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.07);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:var(--weak);
      font-size:13px;
    }

    @media (max-width:1100px){
      .desktop-nav,.privacy-link,.nav-actions .btn{display:none}
      .menu-toggle{display:block}
      .hero-layout{
        grid-template-columns:1fr;
      }
      .hero-board{
        min-height:520px;
      }
      .feature-panel{right:4%;width:76%}
      .mini-stack{width:60%}
      .trust-row{grid-template-columns:repeat(2,1fr)}
      .safety-grid{grid-template-columns:repeat(2,1fr)}
      .experience-grid,.faq-wrap,.feedback-layout{grid-template-columns:1fr}
      .faq-aside{position:relative;top:auto}
      .cta-panel{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:820px){
      .container{width:min(100% - 32px, var(--container))}
      .section{padding:62px 0}
      .section-head{
        display:block;
      }
      .hero{
        min-height:auto;
        padding:58px 0 40px;
      }
      .hero-board{
        min-height:auto;
        display:grid;
        gap:14px;
      }
      .hero-board::before{display:none}
      .feature-panel,.mini-stack{
        position:relative;
        inset:auto;
        width:100%;
      }
      .feature-panel{border-radius:28px}
      .feature-cover{height:210px}
      .mini-card:nth-child(2){margin-left:0}
      .entry-grid,.updates-layout,.footer-top{
        grid-template-columns:1fr;
      }
      .post-card{grid-template-columns:130px 1fr}
      .post-cover{min-height:132px}
      .visual-card{min-height:390px}
      .timeline-item{grid-template-columns:58px 1fr}
      .timeline-badge{width:54px;height:54px;border-radius:18px}
    }
    @media (max-width:560px){
      .nav-wrap{height:68px}
      .brand-text{max-width:210px;font-size:14px}
      .brand-mark{width:36px;height:36px;border-radius:13px}
      .hero-actions,.cta-actions,.form-actions{
        flex-direction:column;
        align-items:stretch;
      }
      .btn{width:100%}
      .notice-strip{font-size:13px}
      .trust-row,.safety-grid,.form-grid{grid-template-columns:1fr}
      .post-card{
        grid-template-columns:1fr;
      }
      .post-cover{height:178px}
      .filter-shell,.safety-band,.cta-panel,.form-card,.feedback-note{
        border-radius:26px;
        padding:20px;
      }
      .entry-card{border-radius:24px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }
    @media (max-width:420px){
      .container{width:min(100% - 28px, var(--container))}
      h1{font-size:32px}
      .section-title{font-size:27px}
      .feature-body h2{font-size:21px}
      .hero-subtitle{font-size:16px}
      .mini-card{grid-template-columns:72px 1fr}
      .mini-thumb{width:72px;height:64px}
    }

/* roulang page: article */
:root{
      --bg:#141217;
      --bg-2:#1a151d;
      --surface:#231b27;
      --surface-2:#2b2230;
      --surface-3:#332839;
      --text:#f4eef2;
      --muted:#c8bbc6;
      --weak:#8d7f8a;
      --line:rgba(232,214,194,.16);
      --line-strong:rgba(232,214,194,.28);
      --accent:#c7779c;
      --accent-2:#b86a8b;
      --accent-dark:#6f304b;
      --cream:#f1e6d7;
      --champagne:#e8d6c2;
      --warn:#4a1827;
      --success:#77c9a1;
      --error:#e08a8a;
      --radius-xs:10px;
      --radius-sm:14px;
      --radius-md:20px;
      --radius-lg:28px;
      --radius-xl:36px;
      --shadow:0 24px 70px rgba(0,0,0,.34);
      --shadow-soft:0 14px 36px rgba(0,0,0,.22);
      --container:1200px;
      --ease:180ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 8%, rgba(199,119,156,.20), transparent 34%),
        radial-gradient(circle at 86% 20%, rgba(232,214,194,.08), transparent 30%),
        linear-gradient(180deg, var(--bg), #100f13 56%, #171219);
      line-height:1.75;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.26;
      background-image:
        linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(to bottom, #000, transparent 80%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    a:hover{color:inherit}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit;color:inherit}
    button{cursor:pointer;border:0;background:none}
    input,select,textarea{outline:none}
    ::selection{background:rgba(199,119,156,.38);color:var(--cream)}
    .container{
      width:min(var(--container), calc(100% - 48px));
      margin-inline:auto;
    }
    .section{padding:86px 0;position:relative}
    .section-tight{padding:58px 0}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid transparent;
      transition:background var(--ease), border-color var(--ease), backdrop-filter var(--ease);
    }
    .site-header.is-scrolled{
      background:rgba(20,18,23,.84);
      border-bottom-color:var(--line);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      letter-spacing:-.03em;
    }
    .brand-mark{
      width:40px;
      height:40px;
      border-radius:14px;
      background:
        radial-gradient(circle at 32% 30%, rgba(241,230,215,.78), transparent 16%),
        linear-gradient(135deg, var(--accent), #5b2840);
      box-shadow:0 12px 28px rgba(199,119,156,.22), inset 0 0 0 1px rgba(255,255,255,.2);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:10px;
      border:1px solid rgba(255,255,255,.56);
      border-radius:9px;
      clip-path:polygon(0 0,100% 0,100% 68%,50% 100%,0 68%);
      opacity:.72;
    }
    .brand-text{
      font-size:16px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:280px;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:6px;
      padding:7px;
      border:1px solid var(--line);
      background:rgba(35,27,39,.56);
      border-radius:999px;
    }
    .desktop-nav a{
      position:relative;
      padding:9px 14px;
      color:var(--muted);
      font-size:14px;
      border-radius:999px;
      transition:color var(--ease), background var(--ease);
    }
    .desktop-nav a:hover,
    .desktop-nav a.active{
      color:var(--text);
      background:rgba(199,119,156,.14);
    }
    .desktop-nav a::after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:5px;
      height:2px;
      border-radius:999px;
      background:var(--accent);
      transform:scaleX(0);
      transform-origin:center;
      transition:transform var(--ease);
    }
    .desktop-nav a:hover::after,
    .desktop-nav a.active::after{transform:scaleX(1)}
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .age-badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:34px;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(241,230,215,.22);
      background:linear-gradient(180deg, rgba(74,24,39,.86), rgba(74,24,39,.58));
      color:var(--cream);
      font-weight:750;
      font-size:13px;
      white-space:nowrap;
    }
    .privacy-link{
      color:var(--muted);
      font-size:14px;
      padding:9px 10px;
      border-radius:999px;
      transition:background var(--ease), color var(--ease);
    }
    .privacy-link:hover{
      color:var(--cream);
      background:rgba(232,214,194,.08);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:12px 18px;
      border-radius:999px;
      font-weight:700;
      line-height:1.2;
      border:1px solid transparent;
      transition:transform var(--ease), background var(--ease), border-color var(--ease), box-shadow var(--ease), color var(--ease), opacity var(--ease);
      user-select:none;
      text-decoration:none;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,
    .desktop-nav a:focus-visible,
    .brand:focus-visible,
    .privacy-link:focus-visible,
    .footer-links a:focus-visible,
    .mobile-panel a:focus-visible,
    .article-content a:focus-visible{
      outline:3px solid rgba(199,119,156,.46);
      outline-offset:3px;
    }
    .btn-primary{
      color:var(--cream);
      background:linear-gradient(135deg, var(--accent), var(--accent-dark));
      border-color:rgba(255,255,255,.12);
      box-shadow:0 14px 32px rgba(199,119,156,.23);
    }
    .btn-primary:hover{
      color:#fff;
      background:linear-gradient(135deg, #d987aa, #7b3654);
      box-shadow:0 20px 44px rgba(199,119,156,.30);
    }
    .btn-secondary{
      color:var(--cream);
      background:rgba(241,230,215,.06);
      border-color:var(--line-strong);
    }
    .btn-secondary:hover{
      color:#fff;
      background:rgba(199,119,156,.16);
      border-color:rgba(199,119,156,.42);
    }
    .btn:disabled,
    .btn.disabled{
      opacity:.52;
      cursor:not-allowed;
      transform:none;
      box-shadow:none;
    }
    .menu-toggle{
      width:46px;
      height:46px;
      display:none;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      border:1px solid var(--line);
      border-radius:16px;
      background:rgba(35,27,39,.62);
    }
    .menu-toggle span{
      width:20px;
      height:2px;
      border-radius:999px;
      background:var(--cream);
      transition:transform var(--ease), opacity var(--ease);
    }
    .menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .menu-toggle.is-open span:nth-child(2){opacity:0}
    .menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
    .mobile-panel{
      display:none;
      border-top:1px solid var(--line);
      background:rgba(20,18,23,.96);
      backdrop-filter:blur(18px);
    }
    .mobile-panel-inner{
      padding:14px 0 20px;
      display:grid;
      gap:8px;
    }
    .mobile-panel a{
      min-height:46px;
      display:flex;
      align-items:center;
      padding:10px 14px;
      border-radius:14px;
      color:var(--muted);
      background:rgba(255,255,255,.025);
      border:1px solid transparent;
    }
    .mobile-panel a:hover,
    .mobile-panel a.active{
      color:var(--text);
      background:rgba(199,119,156,.12);
      border-color:var(--line);
    }
    .mobile-panel.is-open{display:block}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--champagne);
      background:rgba(232,214,194,.08);
      border:1px solid var(--line);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      line-height:1.2;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 18px rgba(199,119,156,.78);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:24px;
      margin-bottom:30px;
    }
    .section-title{
      margin:12px 0 0;
      font-size:clamp(28px,3.1vw,40px);
      line-height:1.22;
      letter-spacing:-.02em;
      font-weight:800;
    }
    .section-desc{
      max-width:660px;
      margin:12px 0 0;
      color:var(--muted);
      font-size:16px;
    }
    .article-hero{
      position:relative;
      padding:46px 0 50px;
      overflow:hidden;
    }
    .article-hero::before{
      content:"";
      position:absolute;
      inset:-120px 0 auto 0;
      height:480px;
      background:
        linear-gradient(90deg, rgba(20,18,23,.88), rgba(20,18,23,.58), rgba(20,18,23,.92)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      filter:saturate(.78);
      opacity:.72;
      z-index:-2;
    }
    .article-hero::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(20,18,23,.10), var(--bg) 94%);
      z-index:-1;
      pointer-events:none;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:9px;
      margin:8px 0 28px;
      color:var(--weak);
      font-size:14px;
    }
    .breadcrumb a{
      color:var(--muted);
      transition:color var(--ease);
    }
    .breadcrumb a:hover{color:var(--cream)}
    .breadcrumb .sep{opacity:.55}
    .article-head-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.03fr) minmax(320px, .58fr);
      gap:34px;
      align-items:end;
    }
    .article-kicker{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:16px;
    }
    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:32px;
      padding:6px 11px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(35,27,39,.62);
      color:var(--champagne);
      font-size:13px;
      font-weight:700;
    }
    .badge-soft.warning{
      background:rgba(74,24,39,.74);
      color:var(--cream);
      border-color:rgba(241,230,215,.22);
    }
    .article-title{
      margin:0;
      font-size:clamp(32px,4.6vw,58px);
      line-height:1.12;
      letter-spacing:-.045em;
      font-weight:850;
      max-width:930px;
    }
    .article-summary{
      margin:20px 0 0;
      color:var(--muted);
      font-size:17px;
      max-width:820px;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px 16px;
      margin-top:22px;
      color:var(--weak);
      font-size:14px;
    }
    .article-meta span{
      display:inline-flex;
      align-items:center;
      gap:7px;
    }
    .article-meta span::before{
      content:"";
      width:6px;
      height:6px;
      border-radius:50%;
      background:rgba(199,119,156,.78);
    }
    .cover-card{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:rgba(35,27,39,.64);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
      min-height:310px;
    }
    .cover-card img{
      width:100%;
      height:100%;
      min-height:310px;
      object-fit:cover;
      filter:saturate(.72) contrast(.92) brightness(.72);
    }
    .cover-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 78% 18%, rgba(199,119,156,.22), transparent 30%),
        linear-gradient(180deg, transparent 36%, rgba(20,18,23,.86));
      pointer-events:none;
    }
    .cover-caption{
      position:absolute;
      left:20px;
      right:20px;
      bottom:18px;
      z-index:1;
      padding:16px;
      border-radius:20px;
      border:1px solid rgba(232,214,194,.14);
      background:rgba(20,18,23,.58);
      backdrop-filter:blur(12px);
    }
    .cover-caption strong{
      display:block;
      color:var(--cream);
      font-size:18px;
      line-height:1.35;
    }
    .cover-caption p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .reader-wrap{
      display:grid;
      grid-template-columns:minmax(0, 820px) 320px;
      gap:34px;
      align-items:start;
    }
    .article-panel,
    .side-card,
    .related-card,
    .notice-card,
    .faq-item,
    .feedback-panel{
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(35,27,39,.82), rgba(26,21,29,.76));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
    }
    .article-panel{
      padding:34px;
      overflow:hidden;
    }
    .article-content{
      max-width:100%;
      color:var(--text);
      font-size:17px;
      line-height:1.88;
    }
    .article-content h2{
      margin:2.2em 0 .7em;
      font-size:clamp(24px,2.4vw,32px);
      line-height:1.25;
      font-weight:800;
      letter-spacing:-.025em;
      color:var(--cream);
    }
    .article-content h3{
      margin:1.9em 0 .55em;
      font-size:clamp(20px,2vw,24px);
      line-height:1.34;
      font-weight:780;
      color:var(--text);
    }
    .article-content h4{
      margin:1.6em 0 .45em;
      font-size:18px;
      color:var(--champagne);
      font-weight:750;
    }
    .article-content p{margin:0 0 1.15em}
    .article-content a{
      color:var(--champagne);
      border-bottom:1px solid rgba(199,119,156,.45);
      transition:color var(--ease), border-color var(--ease);
    }
    .article-content a:hover{
      color:#fff;
      border-color:var(--accent);
    }
    .article-content ul,
    .article-content ol{
      margin:1em 0 1.25em;
      padding-left:1.25em;
      color:var(--muted);
    }
    .article-content li{margin:.42em 0}
    .article-content blockquote{
      margin:1.6em 0;
      padding:18px 20px;
      border-left:4px solid var(--accent);
      border-radius:0 18px 18px 0;
      background:rgba(199,119,156,.10);
      color:var(--cream);
    }
    .article-content hr{
      border:0;
      height:1px;
      background:var(--line);
      margin:34px 0;
    }
    .article-content img{
      width:100%;
      border-radius:22px;
      border:1px solid var(--line);
      margin:24px 0 10px;
      filter:saturate(.85) brightness(.88);
    }
    .article-content figure{margin:26px 0}
    .article-content figcaption{
      color:var(--weak);
      font-size:13px;
      text-align:center;
      margin-top:8px;
    }
    .article-content table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:24px 0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:18px;
      color:var(--muted);
      font-size:15px;
    }
    .article-content th,
    .article-content td{
      padding:13px 14px;
      border-bottom:1px solid var(--line);
      vertical-align:top;
    }
    .article-content th{
      color:var(--cream);
      background:rgba(241,230,215,.06);
      font-weight:750;
    }
    .article-content tr:last-child td{border-bottom:0}
    .article-content .tip,
    .article-content .privacy-tip,
    .article-content .compliance-tip{
      margin:22px 0;
      padding:18px 20px;
      border-radius:20px;
      border:1px solid var(--line);
      background:rgba(35,27,39,.66);
      color:var(--muted);
    }
    .article-content .privacy-tip{
      border-color:rgba(199,119,156,.35);
      background:rgba(199,119,156,.10);
    }
    .article-content .compliance-tip{
      border-color:rgba(232,214,194,.30);
      background:rgba(74,24,39,.36);
    }
    .empty-state{
      text-align:center;
      padding:54px 18px;
      border:1px dashed rgba(232,214,194,.28);
      border-radius:24px;
      background:rgba(20,18,23,.36);
    }
    .empty-icon{
      width:58px;
      height:58px;
      margin:0 auto 18px;
      border-radius:20px;
      background:
        radial-gradient(circle at 35% 30%, rgba(241,230,215,.68), transparent 18%),
        linear-gradient(135deg, rgba(199,119,156,.86), rgba(111,48,75,.86));
      box-shadow:0 18px 34px rgba(199,119,156,.22);
    }
    .empty-state h2{
      margin:0 0 10px;
      color:var(--cream);
      font-size:26px;
      font-weight:800;
    }
    .empty-state p{
      margin:0 auto 22px;
      max-width:520px;
      color:var(--muted);
    }
    .article-sidebar{
      position:sticky;
      top:96px;
      display:grid;
      gap:16px;
    }
    .side-card{padding:20px}
    .side-card h2,
    .side-card h3{
      margin:0 0 14px;
      color:var(--cream);
      font-size:18px;
      line-height:1.35;
      font-weight:800;
    }
    .toc-list{
      display:grid;
      gap:8px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .toc-list a{
      display:flex;
      min-height:38px;
      align-items:center;
      padding:8px 10px;
      border-radius:12px;
      color:var(--muted);
      background:rgba(255,255,255,.025);
      transition:background var(--ease), color var(--ease), transform var(--ease);
    }
    .toc-list a:hover{
      color:var(--cream);
      background:rgba(199,119,156,.12);
      transform:translateX(2px);
    }
    .side-note{
      color:var(--muted);
      font-size:14px;
      margin:0;
    }
    .side-actions{
      display:flex;
      flex-direction:column;
      gap:10px;
      margin-top:16px;
    }
    .mini-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .mini-list li{
      padding:12px;
      border:1px solid var(--line);
      border-radius:16px;
      background:rgba(20,18,23,.32);
      color:var(--muted);
      font-size:14px;
    }
    .mini-list strong{
      display:block;
      color:var(--cream);
      margin-bottom:3px;
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:18px;
    }
    .related-card{
      padding:18px;
      transition:transform var(--ease), border-color var(--ease), background var(--ease);
      min-height:210px;
      display:flex;
      flex-direction:column;
    }
    .related-card:hover{
      transform:translateY(-4px);
      border-color:rgba(199,119,156,.38);
      background:linear-gradient(180deg, rgba(51,40,57,.88), rgba(35,27,39,.78));
    }
    .related-thumb{
      position:relative;
      overflow:hidden;
      border-radius:20px;
      height:126px;
      margin-bottom:16px;
      border:1px solid var(--line);
      background:var(--surface-2);
    }
    .related-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(.72) brightness(.74);
      transition:transform 260ms ease;
    }
    .related-card:hover .related-thumb img{transform:scale(1.04)}
    .related-thumb::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(20,18,23,.06), rgba(20,18,23,.50));
    }
    .related-card h3{
      margin:0 0 8px;
      font-size:19px;
      line-height:1.38;
      font-weight:800;
      color:var(--text);
      transition:color var(--ease);
    }
    .related-card:hover h3{color:var(--champagne)}
    .related-card p{
      margin:0 0 14px;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
      flex:1;
    }
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      color:var(--weak);
      font-size:13px;
    }
    .notice-band{
      position:relative;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      padding:36px;
      background:
        linear-gradient(135deg, rgba(74,24,39,.72), rgba(35,27,39,.82)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      box-shadow:var(--shadow-soft);
    }
    .notice-band::after{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 86% 18%, rgba(232,214,194,.16), transparent 32%);
      pointer-events:none;
    }
    .notice-band > *{position:relative;z-index:1}
    .notice-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:14px;
      margin-top:24px;
    }
    .notice-card{
      padding:18px;
      background:rgba(20,18,23,.48);
      box-shadow:none;
      min-height:150px;
    }
    .notice-card .num{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:34px;
      height:34px;
      border-radius:12px;
      background:rgba(199,119,156,.18);
      color:var(--champagne);
      font-weight:850;
      margin-bottom:12px;
    }
    .notice-card h3{
      margin:0 0 7px;
      color:var(--cream);
      font-size:17px;
      font-weight:800;
    }
    .notice-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }
    .faq-list{
      display:grid;
      gap:14px;
      max-width:920px;
      margin:0 auto;
    }
    .faq-item{
      overflow:hidden;
      box-shadow:none;
      transition:border-color var(--ease), background var(--ease);
    }
    .faq-item.is-open{
      border-color:rgba(199,119,156,.34);
      background:linear-gradient(180deg, rgba(51,40,57,.88), rgba(35,27,39,.76));
    }
    .faq-q{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:20px 22px;
      color:var(--cream);
      font-weight:800;
      text-align:left;
    }
    .faq-q span:last-child{
      width:30px;
      height:30px;
      border-radius:50%;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:rgba(199,119,156,.12);
      color:var(--champagne);
      flex:0 0 auto;
      transition:transform var(--ease), background var(--ease);
    }
    .faq-item.is-open .faq-q span:last-child{
      transform:rotate(45deg);
      background:rgba(199,119,156,.22);
    }
    .faq-a{
      display:none;
      padding:0 22px 22px;
      color:var(--muted);
    }
    .faq-item.is-open .faq-a{display:block}
    .feedback-panel{
      position:relative;
      overflow:hidden;
      padding:34px;
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:28px;
      align-items:start;
    }
    .feedback-panel::before{
      content:"";
      position:absolute;
      inset:auto -80px -120px auto;
      width:300px;
      height:300px;
      border-radius:50%;
      background:rgba(199,119,156,.18);
      filter:blur(36px);
      pointer-events:none;
    }
    .feedback-copy,
    .feedback-form{position:relative;z-index:1}
    .feedback-copy h2{
      margin:10px 0 12px;
      font-size:clamp(26px,3vw,38px);
      line-height:1.22;
      font-weight:850;
    }
    .feedback-copy p{
      margin:0;
      color:var(--muted);
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .form-field{display:grid;gap:7px}
    .form-field.full{grid-column:1 / -1}
    .form-field label{
      color:var(--champagne);
      font-size:13px;
      font-weight:750;
    }
    .form-field input,
    .form-field select,
    .form-field textarea{
      width:100%;
      border:1px solid var(--line);
      border-radius:16px;
      background:rgba(20,18,23,.54);
      color:var(--text);
      padding:13px 14px;
      transition:border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }
    .form-field textarea{
      min-height:128px;
      resize:vertical;
    }
    .form-field input::placeholder,
    .form-field textarea::placeholder{color:rgba(200,187,198,.56)}
    .form-field input:focus,
    .form-field select:focus,
    .form-field textarea:focus{
      border-color:rgba(199,119,156,.66);
      box-shadow:0 0 0 4px rgba(199,119,156,.12);
      background:rgba(20,18,23,.72);
    }
    .check-row{
      grid-column:1 / -1;
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
      font-size:14px;
      line-height:1.55;
    }
    .check-row input{
      margin-top:4px;
      accent-color:var(--accent);
    }
    .form-hint{
      grid-column:1 / -1;
      color:var(--weak);
      font-size:13px;
    }
    .site-footer{
      border-top:1px solid var(--line);
      background:linear-gradient(180deg, rgba(20,18,23,.68), rgba(14,12,16,.96));
      padding:54px 0 28px;
    }
    .footer-top{
      display:grid;
      grid-template-columns:minmax(0, 1.3fr) .7fr .7fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand p{
      margin:16px 0 0;
      max-width:560px;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }
    .footer-col h3{
      margin:0 0 12px;
      color:var(--cream);
      font-size:16px;
      font-weight:800;
    }
    .footer-links{
      display:grid;
      gap:8px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      transition:color var(--ease), transform var(--ease);
    }
    .footer-links a:hover{
      color:var(--champagne);
      transform:translateX(2px);
    }
    .footer-warning{
      margin:34px 0 0;
      padding:16px 18px;
      border:1px solid rgba(241,230,215,.18);
      border-radius:20px;
      background:rgba(74,24,39,.42);
      color:var(--cream);
      font-size:14px;
    }
    .footer-bottom{
      margin-top:22px;
      padding-top:22px;
      border-top:1px solid var(--line);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:var(--weak);
      font-size:13px;
    }

    @media (max-width:1180px){
      .desktop-nav{display:none}
      .menu-toggle{display:flex}
      .nav-actions .age-badge,
      .nav-actions .privacy-link{display:none}
      .brand-text{max-width:360px}
      .article-head-grid{grid-template-columns:1fr}
      .cover-card{max-width:760px}
      .reader-wrap{grid-template-columns:minmax(0,1fr)}
      .article-sidebar{
        position:static;
        grid-template-columns:repeat(3, minmax(0, 1fr));
      }
      .notice-grid{grid-template-columns:repeat(2, minmax(0, 1fr))}
    }
    @media (max-width:900px){
      .section{padding:64px 0}
      .section-head{
        display:block;
        margin-bottom:24px;
      }
      .related-grid{grid-template-columns:1fr}
      .feedback-panel{grid-template-columns:1fr}
      .footer-top{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1 / -1}
      .article-sidebar{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px, var(--container))}
      .nav-wrap{height:68px}
      .brand-mark{width:36px;height:36px;border-radius:13px}
      .brand-text{max-width:210px;font-size:15px}
      .nav-actions .btn{display:none}
      .article-hero{padding:28px 0 36px}
      .article-title{font-size:clamp(30px,9vw,42px)}
      .article-summary{font-size:16px}
      .cover-card,
      .cover-card img{min-height:240px}
      .article-panel{padding:24px 18px;border-radius:24px}
      .article-content{font-size:16px;line-height:1.82}
      .article-content table{
        display:block;
        overflow-x:auto;
        white-space:nowrap;
      }
      .notice-band{padding:26px 18px;border-radius:28px}
      .notice-grid{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .footer-top{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .container{width:min(100% - 28px, var(--container))}
      .brand-text{max-width:168px}
      .breadcrumb{font-size:13px}
      .article-meta{display:grid;gap:8px}
      .article-kicker{gap:8px}
      .badge-soft{font-size:12px}
      .cover-caption{left:12px;right:12px;bottom:12px;padding:13px}
      .section-title{font-size:28px}
      .btn{width:100%}
      .side-actions .btn{width:100%}
      .feedback-panel{padding:24px 16px;border-radius:24px}
      .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}