/* roulang page: index */
:root{
      --bg:#0b090d;
      --bg-2:#120d13;
      --surface:#171118;
      --surface-2:#201620;
      --card:#1b141d;
      --card-soft:#231925;
      --text:#f6edf5;
      --muted:#b9aeb9;
      --muted-2:#8c818d;
      --line:rgba(255,255,255,.1);
      --line-strong:rgba(255,255,255,.18);
      --primary:#b83262;
      --primary-2:#e25787;
      --primary-dark:#7e2143;
      --wine:#421527;
      --rose-glow:rgba(226,87,135,.28);
      --warm:#f1d5bd;
      --success:#8fe1c4;
      --warning:#ffd08a;
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --shadow:0 24px 70px rgba(0,0,0,.42);
      --glow:0 0 0 1px rgba(226,87,135,.18),0 18px 55px rgba(184,50,98,.16);
      --container:1200px;
      --ease:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 4%, rgba(184,50,98,.22), transparent 34%),
        radial-gradient(circle at 86% 18%, rgba(126,33,67,.28), transparent 30%),
        linear-gradient(180deg,#09070a 0%, var(--bg) 42%, #0e0a0f 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.28;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, #000, transparent 88%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(226,87,135,.45);color:#fff}
    :focus-visible{outline:3px solid rgba(226,87,135,.72);outline-offset:3px}
    .container{width:min(var(--container), calc(100% - 48px));margin-inline:auto}
    .section{padding:92px 0}
    .section-tight{padding:70px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(226,87,135,.28);
      background:rgba(184,50,98,.12);
      color:#ffdce9;
      border-radius:999px;
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 10px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.055);
      color:var(--muted);
      font-size:12px;
      font-weight:700;
      white-space:nowrap;
    }
    .badge.hot{color:#ffe4ef;background:rgba(184,50,98,.16);border-color:rgba(226,87,135,.3)}
    .badge.safe{color:#d9fff3;background:rgba(143,225,196,.1);border-color:rgba(143,225,196,.24)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:800;
      letter-spacing:.01em;
      transition:var(--ease);
      user-select:none;
      border:1px solid transparent;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 14px 34px rgba(184,50,98,.28);
    }
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 46px rgba(226,87,135,.32);filter:saturate(1.08)}
    .btn-secondary{
      color:#f8eef5;
      background:rgba(255,255,255,.055);
      border-color:var(--line-strong);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(226,87,135,.46);background:rgba(226,87,135,.1)}
    .btn:active{transform:translateY(0) scale(.98)}
    .top-notice{
      background:linear-gradient(90deg,rgba(66,21,39,.96),rgba(35,18,37,.96));
      color:#f7d8e6;
      font-size:13px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .top-notice .container{
      min-height:40px;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      text-align:center;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(11,9,13,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .nav{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(145deg,#c43a6b,#351020);
      box-shadow:0 12px 28px rgba(184,50,98,.28);
      font-size:14px;
      border:1px solid rgba(255,255,255,.16);
      flex:0 0 auto;
    }
    .brand-text{
      font-size:17px;
      line-height:1.25;
      max-width:270px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      padding:6px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:999px;
      background:rgba(255,255,255,.035);
    }
    .nav-links a{
      padding:9px 13px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      transition:var(--ease);
    }
    .nav-links a:hover,.nav-links a.active{
      color:#fff;
      background:rgba(226,87,135,.14);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .age-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:9px 12px;
      border-radius:999px;
      color:#ffdce9;
      background:rgba(184,50,98,.16);
      border:1px solid rgba(226,87,135,.28);
      font-weight:900;
      font-size:13px;
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      background:rgba(255,255,255,.06);
      border:1px solid var(--line);
      color:#fff;
    }
    .menu-toggle span{
      display:block;
      width:20px;
      height:2px;
      margin:5px auto;
      border-radius:99px;
      background:#fff;
      transition:var(--ease);
    }
    .hero{
      position:relative;
      min-height:760px;
      display:flex;
      align-items:center;
      overflow:hidden;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(9,7,10,.92) 0%,rgba(9,7,10,.72) 42%,rgba(9,7,10,.52) 100%),
        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
      filter:saturate(.82) brightness(.72);
      transform:scale(1.02);
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:240px;
      background:linear-gradient(180deg,transparent,var(--bg));
    }
    .hero-inner{
      position:relative;
      z-index:1;
      width:100%;
      padding:90px 0 74px;
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);
      gap:54px;
      align-items:center;
    }
    .hero-copy h1{
      margin:22px 0 20px;
      font-size:clamp(34px,5vw,58px);
      line-height:1.16;
      letter-spacing:-.055em;
      font-weight:900;
      max-width:900px;
    }
    .hero-copy p{
      margin:0;
      max-width:760px;
      color:#ded2dd;
      font-size:18px;
      line-height:1.85;
    }
    .hero-cta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:14px;
      margin-top:32px;
    }
    .hero-note{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .hero-panel{
      position:relative;
      display:grid;
      gap:16px;
    }
    .feature-cover{
      position:relative;
      min-height:420px;
      overflow:hidden;
      border-radius:var(--radius-xl);
      border:1px solid rgba(255,255,255,.14);
      background:#151016;
      box-shadow:var(--shadow);
    }
    .feature-cover img{
      width:100%;
      height:100%;
      min-height:420px;
      object-fit:cover;
      filter:brightness(.62) saturate(.82);
    }
    .feature-cover .cover-content{
      position:absolute;
      inset:auto 20px 20px 20px;
      padding:22px;
      border-radius:22px;
      background:linear-gradient(180deg,rgba(23,17,24,.82),rgba(23,17,24,.96));
      border:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(14px);
    }
    .cover-content h2{
      margin:12px 0 8px;
      font-size:24px;
      line-height:1.25;
    }
    .cover-content p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .floating-card{
      position:absolute;
      right:-18px;
      top:28px;
      width:205px;
      padding:18px;
      border-radius:22px;
      background:rgba(16,11,17,.9);
      border:1px solid rgba(226,87,135,.26);
      box-shadow:var(--glow);
      backdrop-filter:blur(14px);
    }
    .floating-card strong{display:block;font-size:28px;line-height:1;color:#fff}
    .floating-card span{display:block;margin-top:8px;color:var(--muted);font-size:13px;line-height:1.6}
    .stat-strip{
      position:relative;
      z-index:2;
      margin-top:-44px;
    }
    .stats{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      padding:14px;
      border:1px solid rgba(255,255,255,.1);
      border-radius:26px;
      background:rgba(18,13,19,.86);
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow);
    }
    .stat{
      padding:20px;
      border-radius:20px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
    }
    .stat b{display:block;font-size:24px;line-height:1.1;color:#fff}
    .stat span{display:block;margin-top:9px;color:var(--muted);font-size:13px}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:32px;
    }
    .section-title{max-width:760px}
    .section-title h2{
      margin:14px 0 0;
      font-size:clamp(28px,3.2vw,38px);
      line-height:1.22;
      letter-spacing:-.035em;
    }
    .section-title p{
      margin:14px 0 0;
      color:var(--muted);
      font-size:16px;
      max-width:740px;
    }
    .compliance-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:20px;
    }
    .notice-card,.card{
      position:relative;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.032));
      border:1px solid rgba(255,255,255,.1);
      box-shadow:0 18px 48px rgba(0,0,0,.25);
      transition:var(--ease);
    }
    .notice-card:hover,.card:hover,.post-card:hover{
      transform:translateY(-3px);
      border-color:rgba(226,87,135,.32);
      box-shadow:var(--glow);
    }
    .notice-card{
      padding:30px;
      overflow:hidden;
    }
    .notice-card::after{
      content:"18+";
      position:absolute;
      right:22px;
      bottom:-34px;
      color:rgba(255,255,255,.035);
      font-size:118px;
      font-weight:900;
      line-height:1;
    }
    .notice-card h3{margin:18px 0 10px;font-size:25px;line-height:1.28}
    .notice-card p{margin:0;color:var(--muted)}
    .mini-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .mini-card{
      padding:22px;
      border-radius:20px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.09);
      min-height:150px;
    }
    .icon{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:rgba(226,87,135,.13);
      border:1px solid rgba(226,87,135,.24);
      color:#ffdce9;
      font-size:19px;
      margin-bottom:14px;
    }
    .mini-card h3{margin:0 0 8px;font-size:18px}
    .mini-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .experience{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:22px;
      align-items:stretch;
    }
    .large-info{
      padding:30px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(180deg,rgba(23,17,24,.88),rgba(23,17,24,.96)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border:1px solid rgba(255,255,255,.12);
      min-height:430px;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
      overflow:hidden;
    }
    .large-info h2{margin:16px 0 12px;font-size:32px;line-height:1.22}
    .large-info p{margin:0;color:#d8cbd7}
    .feature-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .feature-card{
      padding:24px;
      min-height:206px;
      border-radius:22px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.1);
      transition:var(--ease);
    }
    .feature-card:nth-child(2){transform:translateY(20px)}
    .feature-card:nth-child(3){transform:translateY(-8px)}
    .feature-card:hover{
      border-color:rgba(226,87,135,.33);
      background:rgba(226,87,135,.07);
    }
    .feature-card:hover:nth-child(2),.feature-card:hover:nth-child(3){transform:translateY(0)}
    .feature-card h3{margin:0 0 10px;font-size:20px}
    .feature-card p{margin:0;color:var(--muted);font-size:14px}
    .updates-wrap{
      padding:34px;
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg,rgba(32,22,32,.78),rgba(17,12,18,.88));
      border:1px solid rgba(255,255,255,.1);
      box-shadow:var(--shadow);
    }
    .post-list{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    .post-card{
      display:grid;
      grid-template-columns:154px minmax(0,1fr);
      gap:18px;
      padding:16px;
      border-radius:22px;
      background:rgba(255,255,255,.046);
      border:1px solid rgba(255,255,255,.095);
      transition:var(--ease);
      min-height:176px;
    }
    .post-thumb{
      position:relative;
      overflow:hidden;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.1);
      background:#130d14;
    }
    .post-thumb::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent,rgba(0,0,0,.42));
    }
    .post-thumb img{width:100%;height:100%;object-fit:cover;filter:brightness(.7) saturate(.82)}
    .post-body{min-width:0;display:flex;flex-direction:column}
    .post-body h3{
      margin:10px 0 8px;
      font-size:19px;
      line-height:1.38;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .post-body p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .post-meta{
      margin-top:auto;
      padding-top:14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:var(--muted-2);
      font-size:13px;
    }
    .read-link{color:#ffdce9;font-weight:800}
    .read-link:hover{color:#fff;text-decoration:underline;text-decoration-color:rgba(226,87,135,.75);text-underline-offset:4px}
    .empty-state{
      padding:36px;
      border-radius:22px;
      background:rgba(255,255,255,.045);
      border:1px dashed rgba(255,255,255,.18);
      text-align:center;
      color:var(--muted);
    }
    .empty-state .empty-icon{
      width:54px;height:54px;margin:0 auto 14px;border-radius:18px;
      display:grid;place-items:center;background:rgba(226,87,135,.12);
      border:1px solid rgba(226,87,135,.24);color:#ffdce9;font-size:24px;
    }
    .proof-band{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .proof-card{
      padding:24px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.042);
    }
    .proof-card strong{display:block;font-size:30px;color:#fff;line-height:1}
    .proof-card p{margin:12px 0 0;color:var(--muted);font-size:14px}
    .steps{
      position:relative;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .steps::before{
      content:"";
      position:absolute;
      left:8%;
      right:8%;
      top:34px;
      height:1px;
      background:linear-gradient(90deg,transparent,rgba(226,87,135,.38),transparent);
    }
    .step-card{
      position:relative;
      padding:24px;
      border-radius:24px;
      background:rgba(255,255,255,.046);
      border:1px solid rgba(255,255,255,.1);
    }
    .step-num{
      width:44px;
      height:44px;
      display:grid;
      place-items:center;
      border-radius:16px;
      background:linear-gradient(135deg,var(--primary-dark),var(--primary));
      font-weight:900;
      color:#fff;
      margin-bottom:18px;
      box-shadow:0 12px 24px rgba(184,50,98,.22);
    }
    .step-card h3{margin:0 0 9px;font-size:19px}
    .step-card p{margin:0;color:var(--muted);font-size:14px}
    .image-story{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      align-items:center;
      padding:28px;
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg,rgba(255,255,255,.048),rgba(255,255,255,.028));
      border:1px solid rgba(255,255,255,.1);
    }
    .story-media{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.12);
      min-height:330px;
    }
    .story-media img{width:100%;height:100%;min-height:330px;object-fit:cover;filter:brightness(.62) saturate(.8)}
    .story-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.08),rgba(0,0,0,.45))}
    .story-copy{padding:8px 10px}
    .story-copy h2{margin:16px 0 12px;font-size:34px;line-height:1.22}
    .story-copy p{margin:0 0 18px;color:var(--muted)}
    .check-list{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:12px}
    .check-list li{
      display:flex;gap:10px;align-items:flex-start;
      color:#e9dfe8;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .check-list li::before{content:"✓";color:var(--success);font-weight:900}
    .faq-grid{
      display:grid;
      grid-template-columns:.88fr 1.12fr;
      gap:24px;
      align-items:start;
    }
    .faq-aside{
      position:sticky;
      top:112px;
      padding:28px;
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg,rgba(66,21,39,.5),rgba(23,17,24,.78));
      border:1px solid rgba(226,87,135,.2);
    }
    .faq-aside h2{margin:15px 0 12px;font-size:32px;line-height:1.25}
    .faq-aside p{margin:0;color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border-radius:20px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.1);
      overflow:hidden;
      transition:var(--ease);
    }
    .faq-item[open]{border-color:rgba(226,87,135,.34);background:rgba(226,87,135,.065)}
    .faq-item summary{
      min-height:58px;
      padding:18px 22px;
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      font-weight:850;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(255,255,255,.06);
      color:#ffdce9;
      flex:0 0 auto;
      transition:var(--ease);
    }
    .faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:rgba(226,87,135,.2)}
    .faq-item p{
      margin:0;
      padding:0 22px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .cta{
      padding:40px;
      border-radius:32px;
      background:
        radial-gradient(circle at 86% 24%, rgba(226,87,135,.24), transparent 32%),
        linear-gradient(135deg,rgba(66,21,39,.84),rgba(18,13,19,.96));
      border:1px solid rgba(226,87,135,.24);
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
      overflow:hidden;
    }
    .cta h2{margin:12px 0 10px;font-size:34px;line-height:1.22}
    .cta p{margin:0;color:#dfd2dc;max-width:760px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .site-footer{
      border-top:1px solid rgba(255,255,255,.08);
      background:#09070a;
      padding:54px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .65fr .65fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .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}
    .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:#fff;transform:translateX(3px)}
    .copyright{
      padding-top:24px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:var(--muted-2);
      font-size:13px;
    }
    .mobile-panel{
      display:none;
      border-top:1px solid rgba(255,255,255,.08);
      padding:12px 0 18px;
    }
    @media (max-width:1100px){
      .hero-inner{grid-template-columns:1fr;gap:34px}
      .hero{min-height:auto}
      .hero-panel{max-width:720px}
      .floating-card{right:18px}
      .stats{grid-template-columns:repeat(2,1fr)}
      .compliance-grid,.experience,.image-story,.faq-grid{grid-template-columns:1fr}
      .faq-aside{position:relative;top:auto}
      .steps{grid-template-columns:repeat(2,1fr)}
      .steps::before{display:none}
      .post-list{grid-template-columns:1fr}
    }
    @media (max-width:860px){
      .container{width:min(100% - 32px,var(--container))}
      .nav-links,.nav-actions .btn,.nav-actions .age-pill{display:none}
      .menu-toggle{display:block}
      .mobile-panel.is-open{display:block}
      .mobile-panel a{
        display:block;
        padding:13px 4px;
        color:var(--muted);
        font-weight:800;
        border-bottom:1px solid rgba(255,255,255,.06);
      }
      .mobile-panel a:hover{color:#fff}
      .mobile-panel .mobile-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
      .section{padding:72px 0}
      .section-tight{padding:56px 0}
      .section-head{display:block}
      .mini-grid,.feature-grid,.proof-band{grid-template-columns:1fr}
      .feature-card:nth-child(2),.feature-card:nth-child(3){transform:none}
      .post-card{grid-template-columns:130px minmax(0,1fr)}
      .cta{grid-template-columns:1fr;padding:28px}
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:560px){
      .top-notice .container{justify-content:flex-start;text-align:left;padding:8px 0}
      .brand-text{max-width:210px;font-size:15px}
      .hero-inner{padding:62px 0 58px}
      .hero-copy h1{font-size:34px;letter-spacing:-.04em}
      .hero-copy p{font-size:16px}
      .hero-cta .btn{width:100%}
      .feature-cover,.feature-cover img{min-height:360px}
      .cover-content{inset:auto 14px 14px 14px!important;padding:18px!important}
      .floating-card{position:relative;right:auto;top:auto;width:auto}
      .stats{grid-template-columns:1fr;padding:10px}
      .notice-card,.updates-wrap{padding:22px}
      .post-card{grid-template-columns:1fr}
      .post-thumb{height:170px}
      .steps{grid-template-columns:1fr}
      .story-media,.story-media img{min-height:240px}
      .story-copy h2,.faq-aside h2,.cta h2{font-size:28px}
      .btn{width:100%}
      .cta-actions{width:100%}
    }

/* roulang page: article */
:root{
      --bg:#0b090d;
      --bg-2:#120d13;
      --surface:#171118;
      --surface-2:#201620;
      --card:#1b141d;
      --card-soft:#231925;
      --text:#f6edf5;
      --muted:#b9aeb9;
      --muted-2:#8c818d;
      --line:rgba(255,255,255,.1);
      --line-strong:rgba(255,255,255,.18);
      --primary:#b83262;
      --primary-2:#e25787;
      --primary-dark:#7e2143;
      --wine:#421527;
      --rose-glow:rgba(226,87,135,.28);
      --warm:#f1d5bd;
      --success:#8fe1c4;
      --warning:#ffd08a;
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --shadow:0 24px 70px rgba(0,0,0,.42);
      --glow:0 0 0 1px rgba(226,87,135,.18),0 18px 55px rgba(184,50,98,.16);
      --container:1200px;
      --ease:all .22s ease;
    }
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 4%, rgba(184,50,98,.22), transparent 34%),
        radial-gradient(circle at 86% 18%, rgba(126,33,67,.28), transparent 30%),
        linear-gradient(180deg,#09070a 0%, var(--bg) 42%, #0e0a0f 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.28;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, #000, transparent 88%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container), calc(100% - 48px));margin-inline:auto}
    .section{padding:92px 0}
    .section-tight{padding:70px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(226,87,135,.28);
      background:rgba(184,50,98,.12);
      color:#ffdce9;
      border-radius:999px;
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 10px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.055);
      color:var(--muted);
      font-size:12px;
      font-weight:700;
      white-space:nowrap;
    }
    .badge.hot{color:#ffe4ef;background:rgba(184,50,98,.16);border-color:rgba(226,87,135,.3)}
    .badge.safe{color:#d9fff3;background:rgba(143,225,196,.1);border-color:rgba(143,225,196,.24)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:800;
      letter-spacing:.01em;
      transition:var(--ease);
      user-select:none;
      border:1px solid transparent;
    }
    .btn:focus-visible,.nav-links a:focus-visible,.footer-links a:focus-visible,.menu-toggle:focus-visible,.accordion-button:focus-visible,.article-link:focus-visible{
      outline:3px solid rgba(226,87,135,.36);
      outline-offset:2px;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 14px 34px rgba(184,50,98,.28);
    }
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 46px rgba(226,87,135,.32);filter:saturate(1.08)}
    .btn-secondary{
      color:#f8eef5;
      background:rgba(255,255,255,.055);
      border-color:var(--line-strong);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(226,87,135,.46);background:rgba(226,87,135,.1)}
    .btn-ghost{
      color:#f7edf4;
      background:transparent;
      border-color:rgba(255,255,255,.12);
    }
    .btn-ghost:hover{background:rgba(255,255,255,.05);border-color:rgba(226,87,135,.34);transform:translateY(-2px)}
    .btn:active{transform:translateY(0) scale(.98)}
    .top-notice{
      background:linear-gradient(90deg, rgba(73,17,38,.9), rgba(96,24,50,.85));
      border-bottom:1px solid rgba(255,255,255,.08);
      color:#ffdfe9;
      font-size:13px;
    }
    .top-notice .container{
      min-height:40px;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      text-align:center;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(11,9,13,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .nav{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(145deg,#c43a6b,#351020);
      box-shadow:0 12px 28px rgba(184,50,98,.28);
      font-size:14px;
      border:1px solid rgba(255,255,255,.16);
      flex:0 0 auto;
    }
    .brand-text{
      font-size:17px;
      line-height:1.25;
      max-width:290px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      padding:6px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:999px;
      background:rgba(255,255,255,.035);
    }
    .nav-links a{
      padding:9px 13px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      transition:var(--ease);
    }
    .nav-links a:hover,.nav-links a.active{
      color:#fff;
      background:rgba(226,87,135,.14);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .age-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:9px 12px;
      border-radius:999px;
      color:#ffdce9;
      background:rgba(184,50,98,.16);
      border:1px solid rgba(226,87,135,.28);
      font-weight:900;
      font-size:13px;
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      background:rgba(255,255,255,.06);
      border:1px solid var(--line);
      color:#fff;
    }
    .menu-toggle span{
      display:block;
      width:20px;
      height:2px;
      margin:5px auto;
      border-radius:99px;
      background:#fff;
      transition:var(--ease);
    }
    .mobile-panel{
      display:none;
      padding:0 0 18px;
    }
    .mobile-panel a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      min-height:46px;
      padding:0 14px;
      border-radius:14px;
      color:var(--text);
      border:1px solid transparent;
    }
    .mobile-panel a:hover{
      background:rgba(255,255,255,.05);
      border-color:rgba(255,255,255,.06);
    }
    .mobile-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:10px;
      padding:0 14px;
    }

    .page-banner{
      position:relative;
      padding:42px 0 22px;
    }
    .banner-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      border:1px solid var(--line);
      background:
        linear-gradient(180deg, rgba(9,7,10,.14), rgba(9,7,10,.78)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
      padding:28px;
      min-height:240px;
    }
    .banner-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg, rgba(11,9,13,.78), rgba(11,9,13,.36) 56%, rgba(11,9,13,.72));
      pointer-events:none;
    }
    .banner-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);
      gap:24px;
      align-items:end;
    }
    .banner-title{
      margin:0 0 10px;
      font-size:clamp(30px,4vw,50px);
      line-height:1.15;
      letter-spacing:-.03em;
      font-weight:800;
      max-width:820px;
    }
    .banner-desc{
      margin:0;
      max-width:760px;
      color:var(--muted);
      font-size:16px;
    }
    .banner-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:20px;
    }
    .meta-card{
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      border-radius:18px;
      padding:14px 16px;
      backdrop-filter:blur(10px);
      box-shadow:0 18px 30px rgba(0,0,0,.16);
    }
    .meta-label{font-size:12px;color:var(--muted-2);display:block;margin-bottom:6px}
    .meta-value{font-size:15px;font-weight:800;color:#fff}
    .banner-side{
      display:grid;
      gap:14px;
    }
    .banner-figure{
      position:relative;
      border-radius:22px;
      overflow:hidden;
      min-height:170px;
      border:1px solid rgba(255,255,255,.12);
      background:#140d12;
      box-shadow:var(--shadow);
    }
    .banner-figure img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.9;
      filter:brightness(.7) saturate(.9);
    }
    .banner-figure::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(11,9,13,.12), rgba(11,9,13,.62));
      pointer-events:none;
    }
    .banner-figure .fig-caption{
      position:absolute;
      left:16px;
      right:16px;
      bottom:14px;
      z-index:1;
      color:#fff;
      font-weight:800;
      font-size:14px;
    }
    .subgrid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }
    .subcard{
      border-radius:18px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      padding:14px;
      min-height:96px;
    }
    .subcard .k{font-size:12px;color:var(--muted-2);display:block;margin-bottom:6px}
    .subcard .v{font-size:15px;font-weight:800;color:#fff;line-height:1.4}
    
    .content-wrap{
      padding:20px 0 90px;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) 340px;
      gap:24px;
      align-items:start;
    }
    .article-main{
      min-width:0;
    }
    .panel{
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
    }
    .panel.padded{padding:24px}
    .crumbs{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      color:var(--muted);
      font-size:13px;
      margin-bottom:16px;
    }
    .crumbs a{color:#ead4dd}
    .crumbs .sep{color:var(--muted-2)}
    .article-head{
      padding:28px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 100% 0%, rgba(226,87,135,.15), transparent 32%),
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
    }
    .article-head .article-title{
      margin:14px 0 12px;
      font-size:clamp(28px,3.7vw,46px);
      line-height:1.16;
      letter-spacing:-.03em;
      font-weight:800;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px 12px;
      color:var(--muted);
      font-size:13px;
      align-items:center;
    }
    .article-meta .dot{
      width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.26);display:inline-block;
    }
    .summary-card{
      margin-top:18px;
      padding:18px 18px;
      border-radius:20px;
      border:1px solid rgba(226,87,135,.18);
      background:linear-gradient(180deg, rgba(184,50,98,.08), rgba(255,255,255,.03));
      color:var(--text);
    }
    .summary-card p{margin:0;color:#eadfe8}
    .article-toolbar{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:18px;
    }
    .article-body{
      margin-top:20px;
      padding:28px;
    }
    .article-body .cms-content,
    .article-body article{
      max-width:800px;
    }
    .article-body h2,
    .article-body h3{
      margin-top:1.4em;
      margin-bottom:.6em;
      line-height:1.25;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .article-body h2{font-size:clamp(22px,2.7vw,32px)}
    .article-body h3{font-size:clamp(18px,2.1vw,24px)}
    .article-body p, .article-body li, .article-body blockquote{
      color:#f0e6ef;
      font-size:16px;
      line-height:1.82;
    }
    .article-body p{margin:0 0 1em}
    .article-body ul, .article-body ol{padding-left:1.3rem;margin-bottom:1.2rem}
    .article-body li{margin:.28rem 0}
    .article-body blockquote{
      margin:18px 0;
      padding:16px 18px;
      border-left:3px solid rgba(226,87,135,.55);
      background:rgba(255,255,255,.04);
      border-radius:0 16px 16px 0;
      color:#f6edf5;
    }
    .article-body img{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.1);
      box-shadow:0 14px 32px rgba(0,0,0,.26);
      margin:18px 0;
    }
    .notice-box{
      margin:22px 0 0;
      padding:18px;
      border-radius:18px;
      background:rgba(241,213,189,.08);
      border:1px solid rgba(241,213,189,.16);
      color:#ffeeda;
    }
    .notice-box strong{color:#fff}
    .article-fallback{
      padding:30px 28px 34px;
      text-align:center;
    }
    .article-fallback h2{margin:8px 0 10px;font-weight:800}
    .article-fallback p{color:var(--muted);margin-bottom:18px}
    .side{
      position:sticky;
      top:92px;
      display:grid;
      gap:16px;
    }
    .side-card{
      padding:22px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .side-card h3{
      margin:0 0 10px;
      font-size:20px;
      font-weight:800;
    }
    .side-card p{margin:0;color:var(--muted)}
    .side-list{
      display:grid;
      gap:10px;
      margin-top:16px;
    }
    .side-item{
      display:flex;
      gap:12px;
      padding:12px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.06);
      transition:var(--ease);
    }
    .side-item:hover{transform:translateY(-2px);border-color:rgba(226,87,135,.25);background:rgba(226,87,135,.07)}
    .side-item .ico{
      flex:0 0 auto;
      width:38px;height:38px;border-radius:12px;
      display:grid;place-items:center;
      background:rgba(184,50,98,.16);
      border:1px solid rgba(226,87,135,.2);
      color:#ffdbe7;
      font-weight:900;
    }
    .side-item strong{display:block;color:#fff;font-size:14px;line-height:1.3}
    .side-item span{display:block;color:var(--muted);font-size:12px;margin-top:3px}

    .related-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
    }
    .article-link{
      display:block;
      padding:16px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      transition:var(--ease);
    }
    .article-link:hover{
      transform:translateY(-2px);
      border-color:rgba(226,87,135,.3);
      background:rgba(226,87,135,.08);
      box-shadow:var(--glow);
    }
    .article-link .t{font-weight:800;color:#fff;line-height:1.4}
    .article-link .d{display:block;color:var(--muted);font-size:13px;margin-top:6px}
    .article-link .m{display:block;color:var(--muted-2);font-size:12px;margin-top:10px}

    .faq-grid{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      background:transparent;
      border:0;
    }
    .accordion-button{
      border-radius:18px!important;
      background:rgba(255,255,255,.04)!important;
      color:#fff!important;
      border:1px solid rgba(255,255,255,.08)!important;
      box-shadow:none!important;
      font-weight:800;
      padding:18px 20px;
    }
    .accordion-button:not(.collapsed){
      background:rgba(226,87,135,.08)!important;
      border-color:rgba(226,87,135,.28)!important;
      color:#fff!important;
    }
    .accordion-button::after{filter:invert(1) brightness(1.2)}
    .accordion-body{
      padding:16px 20px 20px;
      color:var(--muted);
      background:rgba(255,255,255,.02);
      border:1px solid rgba(255,255,255,.06);
      border-top:none;
      border-radius:0 0 18px 18px;
    }

    .cta-banner{
      padding:24px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(226,87,135,.22);
      background:
        radial-gradient(circle at 20% 20%, rgba(226,87,135,.16), transparent 32%),
        linear-gradient(135deg, rgba(88,20,42,.95), rgba(21,13,18,.96));
      box-shadow:var(--shadow);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      flex-wrap:wrap;
    }
    .cta-banner h2{
      margin:0 0 8px;
      font-size:clamp(24px,3vw,36px);
      line-height:1.18;
      font-weight:800;
    }
    .cta-banner p{margin:0;color:#f0dee8;max-width:760px}
    .cta-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
    .cta-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

    .site-footer{
      margin-top:70px;
      background:linear-gradient(180deg,#0d0a0f 0%, #09070a 100%);
      border-top:1px solid rgba(255,255,255,.08);
      padding:44px 0 22px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:26px;
      align-items:start;
    }
    .footer-brand p{
      margin:16px 0 0;
      color:var(--muted);
      max-width:560px;
    }
    .footer-col h3{
      margin:4px 0 16px;
      font-size:16px;
      font-weight:800;
    }
    .footer-links{
      display:grid;
      gap:10px;
      color:var(--muted);
      font-size:14px;
    }
    .footer-links a,.footer-links span{
      width:fit-content;
      transition:var(--ease);
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(2px);
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      margin-top:28px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--muted-2);
      font-size:13px;
    }

    .section-title{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:22px;
    }
    .section-title h2{
      margin:0;
      font-size:clamp(24px,3vw,36px);
      line-height:1.2;
      font-weight:800;
      letter-spacing:-.03em;
    }
    .section-title p{
      margin:0;
      color:var(--muted);
      max-width:640px;
    }

    @media (max-width: 1199.98px){
      .banner-inner,.article-layout,.footer-grid{grid-template-columns:1fr}
      .side{position:static}
      .banner-card{padding:24px}
    }
    @media (max-width: 991.98px){
      .nav-links{display:none}
      .menu-toggle{display:inline-block}
      .mobile-panel{display:none}
      .mobile-panel.open{display:grid;gap:8px;margin-top:12px}
      .nav-actions .btn{display:none}
      .banner-inner{gap:18px}
      .subgrid{grid-template-columns:1fr}
      .banner-card{min-height:auto}
      .article-head,.article-body{padding:22px}
      .content-wrap{padding-bottom:70px}
      .footer-grid{gap:18px}
    }
    @media (max-width: 767.98px){
      .container{width:min(var(--container), calc(100% - 32px))}
      .section{padding:72px 0}
      .top-notice .container{justify-content:flex-start;overflow:auto;white-space:nowrap}
      .brand-text{max-width:220px;font-size:15px}
      .nav{min-height:68px}
      .page-banner{padding-top:26px}
      .banner-card{padding:18px;border-radius:22px}
      .banner-title{font-size:clamp(28px,8vw,38px)}
      .banner-desc,.cta-banner p,.footer-brand p{font-size:15px}
      .cta-banner{padding:20px}
      .related-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
      .article-head .article-title{font-size:clamp(26px,8vw,36px)}
      .article-meta{font-size:12px}
    }
    @media (max-width: 520px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .brand-mark{width:38px;height:38px;border-radius:12px}
      .brand-text{max-width:190px}
      .age-pill{font-size:12px;padding:8px 10px}
      .btn{width:auto;min-height:46px;padding:12px 16px}
      .cta-actions,.article-toolbar{width:100%}
      .cta-actions .btn,.article-toolbar .btn{flex:1 1 100%}
      .banner-meta{gap:8px}
      .meta-card{width:100%}
      .article-body p,.article-body li,.article-body blockquote{font-size:15px}
    }

/* 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}