/* roulang page: index */
:root{
      --ink:#211721;
      --ink-2:#3a2738;
      --muted:#6f6070;
      --muted-2:#8b7a8b;
      --bg:#fff8fb;
      --bg-2:#fff2e8;
      --card:#ffffff;
      --line:rgba(91,27,82,.13);
      --line-strong:rgba(184,50,128,.28);
      --purple:#241126;
      --berry:#5b1b52;
      --rose:#b83280;
      --coral:#ff7a59;
      --orange:#ffb15c;
      --mist:#e8ddf4;
      --pink:#f6d9e8;
      --light:#fff8fb;
      --shadow:0 18px 50px rgba(61,27,57,.10);
      --shadow-hover:0 24px 70px rgba(91,27,82,.16);
      --radius-xl:34px;
      --radius-lg:26px;
      --radius-md:18px;
      --radius-pill:999px;
      --container:1220px;
      --ease:220ms ease-out;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 3%, rgba(246,217,232,.95), transparent 28%),
        radial-gradient(circle at 90% 12%, rgba(255,177,92,.22), transparent 28%),
        linear-gradient(180deg,#fff8fb 0%,#fff2f7 42%,#fff8fb 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0;background:none;cursor:pointer}
    ::selection{background:rgba(255,122,89,.24)}
    :focus-visible{outline:3px solid rgba(255,122,89,.42);outline-offset:4px;border-radius:12px}

    .container{width:min(100% - 48px,var(--container));margin-inline:auto}
    .section{padding:86px 0}
    .section-head{display:flex;justify-content:space-between;gap:26px;align-items:flex-end;margin-bottom:34px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 13px;border-radius:var(--radius-pill);
      background:rgba(184,50,128,.09);
      border:1px solid rgba(184,50,128,.15);
      color:var(--rose);font-size:13px;font-weight:800;
      letter-spacing:.02em;
    }
    .eyebrow.dark{background:rgba(255,248,251,.12);border-color:rgba(255,248,251,.2);color:#fff8fb}
    .section-title{font-size:36px;line-height:1.22;font-weight:850;letter-spacing:-.04em;color:var(--ink)}
    .section-desc{max-width:660px;color:var(--muted);font-size:16px;margin-top:10px}
    .gradient-text{
      background:linear-gradient(115deg,var(--berry),var(--rose) 55%,var(--coral));
      -webkit-background-clip:text;background-clip:text;color:transparent;
    }

    .topbar{
      background:linear-gradient(90deg,#211721,#351534 56%,#5b1b52);
      color:rgba(255,248,251,.82);
      font-size:13px;
      border-bottom:1px solid rgba(255,248,251,.1);
    }
    .topbar-inner{height:38px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px}
    .topbar .center{justify-self:center}
    .topbar .right{justify-self:end;display:flex;gap:14px}
    .topbar a{transition:color var(--ease)}
    .topbar a:hover{color:#fff}
    .header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,248,251,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(91,27,82,.09);
      box-shadow:0 8px 28px rgba(61,27,57,.05);
    }
    .nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .logo{display:flex;align-items:center;gap:12px;min-width:0}
    .logo-mark{
      width:42px;height:42px;border-radius:16px;
      background:
        radial-gradient(circle at 72% 24%,var(--orange),transparent 26%),
        linear-gradient(135deg,var(--purple),var(--berry) 48%,var(--rose));
      box-shadow:0 12px 28px rgba(91,27,82,.26);
      position:relative;flex:0 0 auto;
    }
    .logo-mark::after{
      content:"";position:absolute;inset:11px 13px;
      border:2px solid rgba(255,248,251,.74);
      border-top-color:rgba(255,177,92,.9);
      border-radius:10px;transform:rotate(-8deg);
    }
    .logo-text{font-size:18px;font-weight:900;letter-spacing:-.03em;white-space:nowrap}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{
      position:relative;padding:10px 15px;border-radius:var(--radius-pill);
      color:var(--ink-2);font-weight:750;font-size:15px;
      transition:background var(--ease),color var(--ease),transform var(--ease);
    }
    .nav-links a:hover{background:rgba(184,50,128,.08);color:var(--rose);transform:translateY(-1px)}
    .nav-links a.active{
      color:var(--rose);
      background:linear-gradient(180deg,rgba(246,217,232,.65),rgba(255,242,232,.5));
      box-shadow:inset 0 0 0 1px rgba(184,50,128,.12);
    }
    .nav-cta{display:flex;align-items:center;gap:10px}
    .menu-btn{
      display:none;width:44px;height:44px;border-radius:15px;
      background:#fff;border:1px solid var(--line);
      color:var(--ink);align-items:center;justify-content:center;
    }
    .menu-btn span,.menu-btn span::before,.menu-btn span::after{
      width:18px;height:2px;border-radius:3px;background:var(--ink);display:block;position:relative;transition:var(--ease);
    }
    .menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0}
    .menu-btn span::before{top:-6px}.menu-btn span::after{top:6px}
    .menu-btn.open span{background:transparent}
    .menu-btn.open span::before{top:0;transform:rotate(45deg)}
    .menu-btn.open span::after{top:0;transform:rotate(-45deg)}

    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:12px 22px;border-radius:var(--radius-pill);
      font-weight:850;line-height:1.2;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      color:white;background:linear-gradient(135deg,var(--coral),var(--rose) 58%,var(--berry));
      box-shadow:0 16px 34px rgba(184,50,128,.25);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 46px rgba(184,50,128,.34);background:linear-gradient(145deg,var(--orange),var(--rose) 54%,var(--berry))}
    .btn-primary:active,.btn-secondary:active{transform:translateY(0);box-shadow:0 9px 20px rgba(91,27,82,.14)}
    .btn-secondary{
      color:var(--berry);background:rgba(255,255,255,.76);
      border:1px solid rgba(184,50,128,.18);
      box-shadow:0 10px 24px rgba(61,27,57,.07);
    }
    .btn-secondary:hover{background:#fff2f8;border-color:rgba(184,50,128,.32);transform:translateY(-2px)}
    .btn-dark{
      color:#fff;background:rgba(255,248,251,.12);
      border:1px solid rgba(255,248,251,.22);
    }
    .btn-dark:hover{background:rgba(255,248,251,.18);transform:translateY(-2px)}

    .hero{
      position:relative;isolation:isolate;overflow:hidden;
      padding:96px 0 78px;
      background:
        radial-gradient(circle at 14% 20%,rgba(255,177,92,.32),transparent 22%),
        radial-gradient(circle at 86% 18%,rgba(246,217,232,.3),transparent 24%),
        linear-gradient(135deg,#241126 0%,#491544 48%,#b83280 100%);
      color:#fff8fb;
    }
    .hero::before{
      content:"";position:absolute;inset:0;z-index:-1;opacity:.22;
      background-image:
        linear-gradient(120deg,rgba(255,255,255,.13) 1px,transparent 1px),
        radial-gradient(circle,rgba(255,255,255,.18) 1px,transparent 1.5px);
      background-size:78px 78px,22px 22px;
      mask-image:linear-gradient(90deg,#000,transparent 88%);
    }
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}
    .hero h1{font-size:56px;line-height:1.13;letter-spacing:-.06em;font-weight:900;margin:18px 0}
    .hero p.lead{font-size:18px;line-height:1.85;color:rgba(255,248,251,.78);max-width:720px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
    .trust-list{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
    .trust-item{
      display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:var(--radius-pill);
      background:rgba(255,248,251,.11);border:1px solid rgba(255,248,251,.15);
      color:rgba(255,248,251,.84);font-size:13px;font-weight:700;
    }
    .dot{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--orange),var(--coral));box-shadow:0 0 0 4px rgba(255,177,92,.15)}
    .hero-panel{
      position:relative;border-radius:38px;padding:24px;
      background:linear-gradient(180deg,rgba(255,248,251,.16),rgba(255,248,251,.08));
      border:1px solid rgba(255,248,251,.2);
      box-shadow:0 30px 80px rgba(0,0,0,.24), inset 0 1px 0 rgba(255,255,255,.16);
      min-height:480px;overflow:hidden;
    }
    .hero-panel::before{
      content:"";position:absolute;inset:20px;border-radius:30px;
      background:
        radial-gradient(circle at 78% 18%,rgba(255,177,92,.38),transparent 22%),
        linear-gradient(145deg,rgba(255,255,255,.13),rgba(255,255,255,.04));
      border:1px solid rgba(255,255,255,.12);
    }
    .access-card{
      position:relative;z-index:2;background:#fff8fb;color:var(--ink);
      border-radius:30px;padding:24px;box-shadow:0 22px 58px rgba(0,0,0,.2);
      margin-top:24px;
    }
    .access-card h2{font-size:22px;line-height:1.3;margin-bottom:8px}
    .access-card p{color:var(--muted);font-size:14px}
    .panel-steps{display:grid;gap:12px;margin-top:18px}
    .panel-step{
      display:flex;align-items:center;gap:12px;padding:14px;border-radius:18px;
      background:linear-gradient(90deg,rgba(246,217,232,.6),rgba(255,242,232,.55));
      border:1px solid rgba(91,27,82,.08);
    }
    .step-no{
      width:34px;height:34px;border-radius:13px;display:grid;place-items:center;
      color:#fff;background:linear-gradient(135deg,var(--berry),var(--rose));
      font-weight:900;flex:0 0 auto;
    }
    .floating-badge{
      position:absolute;z-index:3;right:8px;bottom:34px;
      width:170px;padding:16px;border-radius:24px;
      background:linear-gradient(135deg,var(--orange),var(--coral));
      color:white;box-shadow:0 22px 52px rgba(255,122,89,.28);
      animation:floatY 4.4s ease-in-out infinite;
    }
    .floating-badge strong{display:block;font-size:25px;line-height:1}
    .floating-badge span{font-size:13px;color:rgba(255,255,255,.86)}
    @keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

    .timeline-wrap{
      position:relative;padding:28px;border-radius:var(--radius-xl);
      background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
    }
    .timeline{
      display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative;
    }
    .timeline::before{
      content:"";position:absolute;left:8%;right:8%;top:42px;height:3px;border-radius:999px;
      background:linear-gradient(90deg,var(--coral),var(--rose),var(--berry));opacity:.28;
    }
    .time-node{position:relative;z-index:1;padding-top:6px}
    .node-pin{
      width:74px;height:74px;border-radius:24px;display:grid;place-items:center;margin-bottom:14px;
      background:linear-gradient(180deg,#fff,#fff2f8);
      border:1px solid rgba(184,50,128,.2);box-shadow:0 14px 32px rgba(91,27,82,.09);
      font-size:15px;font-weight:900;color:var(--rose);
    }
    .time-card{padding:18px;border-radius:22px;background:linear-gradient(180deg,#fff,#fff8fb);border:1px solid rgba(91,27,82,.09);min-height:160px}
    .time-card h3{font-size:18px;line-height:1.35;margin-bottom:8px}
    .time-card p{font-size:14px;color:var(--muted);line-height:1.65}

    .highlight-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}
    .big-feature{
      position:relative;overflow:hidden;border-radius:var(--radius-xl);
      padding:34px;background:linear-gradient(135deg,#2a142c,#5b1b52 56%,#b83280);
      color:#fff8fb;box-shadow:0 24px 70px rgba(91,27,82,.2);
      min-height:410px;
    }
    .big-feature::after{
      content:"";position:absolute;right:-90px;bottom:-100px;width:320px;height:320px;border-radius:50%;
      background:radial-gradient(circle,rgba(255,177,92,.45),transparent 68%);
    }
    .big-feature h2{font-size:34px;line-height:1.24;margin:16px 0 12px}
    .big-feature p{color:rgba(255,248,251,.76);max-width:680px}
    .feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px;position:relative;z-index:1}
    .feature-mini{
      padding:18px;border-radius:22px;background:rgba(255,248,251,.1);
      border:1px solid rgba(255,248,251,.16);
    }
    .feature-mini strong{display:block;margin-bottom:4px}
    .feature-mini span{font-size:14px;color:rgba(255,248,251,.72)}
    .side-badges{display:grid;gap:18px}
    .metric-card{
      border-radius:var(--radius-lg);padding:24px;background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow);transition:var(--ease);
    }
    .metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
    .metric-card .num{font-size:38px;font-weight:900;line-height:1;color:var(--rose)}
    .metric-card h3{font-size:20px;margin:14px 0 6px}
    .metric-card p{font-size:14px;color:var(--muted);line-height:1.65}

    .plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
    .plan-card{
      position:relative;padding:28px;border-radius:30px;background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow);display:flex;flex-direction:column;transition:var(--ease);
    }
    .plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
    .plan-card.recommended{
      border:1px solid transparent;
      background:
        linear-gradient(#fff,#fff) padding-box,
        linear-gradient(135deg,var(--orange),var(--rose),var(--berry)) border-box;
      transform:translateY(-8px);
    }
    .rec-badge{
      position:absolute;top:18px;right:18px;padding:7px 11px;border-radius:999px;
      background:linear-gradient(135deg,var(--coral),var(--rose));color:#fff;font-size:12px;font-weight:850;
    }
    .plan-card h3{font-size:22px;margin-bottom:8px}
    .plan-card p{color:var(--muted);font-size:15px;line-height:1.7;min-height:78px}
    .plan-list{list-style:none;display:grid;gap:12px;margin:22px 0 26px}
    .plan-list li{display:flex;gap:10px;color:var(--ink-2);font-size:15px}
    .check{
      width:22px;height:22px;border-radius:50%;display:inline-grid;place-items:center;
      background:rgba(184,50,128,.1);color:var(--rose);font-weight:900;flex:0 0 auto;
    }
    .plan-card .btn{margin-top:auto;width:100%}

    .category-entry{
      display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;align-items:center;
      padding:28px;border-radius:var(--radius-xl);background:linear-gradient(135deg,#fff,#fff2f8);
      border:1px solid var(--line);box-shadow:var(--shadow);
    }
    .category-visual{
      min-height:260px;border-radius:28px;overflow:hidden;position:relative;
      background:
        linear-gradient(135deg,rgba(36,17,38,.95),rgba(91,27,82,.92),rgba(184,50,128,.86)),
        radial-gradient(circle at 20% 22%,rgba(255,177,92,.45),transparent 30%);
    }
    .category-visual::before{
      content:"";position:absolute;inset:28px;border-radius:24px;
      border:1px solid rgba(255,248,251,.18);
      background:
        linear-gradient(90deg,rgba(255,255,255,.13) 1px,transparent 1px),
        linear-gradient(180deg,rgba(255,255,255,.1) 1px,transparent 1px);
      background-size:36px 36px;
    }
    .category-visual::after{
      content:"18+ 分级说明";position:absolute;left:26px;bottom:26px;
      padding:12px 16px;border-radius:18px;background:rgba(255,248,251,.14);
      border:1px solid rgba(255,248,251,.22);color:#fff;font-weight:850;
      backdrop-filter:blur(8px);
    }
    .category-entry h2{font-size:31px;line-height:1.25;margin:12px 0}
    .category-entry p{color:var(--muted);margin-bottom:18px}

    .cta-band{
      position:relative;overflow:hidden;border-radius:38px;padding:44px;
      background:
        radial-gradient(circle at 82% 18%,rgba(255,177,92,.34),transparent 28%),
        linear-gradient(135deg,#241126,#5b1b52 55%,#b83280);
      color:#fff8fb;box-shadow:0 26px 80px rgba(91,27,82,.24);
    }
    .cta-band::after{
      content:"";position:absolute;right:-60px;bottom:-70px;width:260px;height:260px;border-radius:50%;
      background:rgba(255,248,251,.08);
    }
    .cta-content{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}
    .cta-band h2{font-size:34px;line-height:1.25;margin-bottom:10px}
    .cta-band p{color:rgba(255,248,251,.75);max-width:720px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .notice-line{
      margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,248,251,.16);
      color:rgba(255,248,251,.68);font-size:13px;
    }

    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;align-items:start}
    .faq-list{display:grid;gap:14px}
    .faq-item{
      background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 12px 32px rgba(61,27,57,.06);
      overflow:hidden;
    }
    .faq-q{
      width:100%;padding:20px 22px;text-align:left;display:flex;justify-content:space-between;align-items:center;gap:16px;
      color:var(--ink);font-weight:850;
    }
    .faq-icon{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(184,50,128,.09);color:var(--rose);flex:0 0 auto;transition:var(--ease)}
    .faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 220ms ease-out}
    .faq-a>div{overflow:hidden}
    .faq-a p{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.75}
    .faq-item.open .faq-a{grid-template-rows:1fr}
    .faq-item.open .faq-icon{transform:rotate(45deg);background:linear-gradient(135deg,var(--coral),var(--rose));color:#fff}

    .footer{
      background:linear-gradient(135deg,#211721,#341532 52%,#241126);
      color:rgba(255,248,251,.78);
      padding:58px 0 24px;
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:34px;padding-bottom:34px;border-bottom:1px solid rgba(255,248,251,.12)}
    .footer .logo-text{color:#fff8fb}
    .footer p{font-size:14px;line-height:1.8;margin-top:16px;max-width:460px}
    .footer h3{color:#fff8fb;font-size:16px;margin-bottom:14px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{font-size:14px;transition:color var(--ease),transform var(--ease)}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-note{
      padding:18px;border-radius:22px;background:rgba(255,248,251,.08);
      border:1px solid rgba(255,248,251,.12);font-size:14px;line-height:1.75;
    }
    .copyright{display:flex;justify-content:space-between;gap:18px;align-items:center;padding-top:22px;font-size:13px;color:rgba(255,248,251,.58)}

    @media (max-width:1024px){
      .container{width:min(100% - 40px,var(--container))}
      .hero-grid,.highlight-grid,.category-entry,.faq-grid{grid-template-columns:1fr}
      .hero h1{font-size:46px}
      .timeline{grid-template-columns:repeat(2,1fr)}
      .timeline::before{display:none}
      .plans{grid-template-columns:1fr 1fr}
      .plan-card.recommended{transform:none}
      .cta-content{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:820px){
      .topbar-inner{grid-template-columns:1fr auto;height:36px}
      .topbar .center{display:none}
      .topbar .right a:first-child{display:none}
      .nav{height:68px}
      .menu-btn{display:flex}
      .nav-links{
        position:absolute;left:20px;right:20px;top:78px;
        display:none;flex-direction:column;align-items:stretch;gap:8px;
        padding:14px;background:rgba(255,248,251,.97);
        border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:13px 15px}
      .nav-cta .btn{display:none}
      .hero{padding:72px 0 58px}
      .hero h1{font-size:39px}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-title{font-size:29px}
      .plans,.feature-list,.footer-grid{grid-template-columns:1fr}
      .timeline{grid-template-columns:1fr}
      .time-node{display:grid;grid-template-columns:74px 1fr;gap:14px;align-items:start;padding-top:0}
      .node-pin{margin-bottom:0}
      .time-card{min-height:auto}
      .hero-panel{min-height:430px}
      .floating-badge{right:24px;bottom:24px}
      .copyright{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:520px){
      .container{width:min(100% - 32px,var(--container))}
      .topbar{font-size:12px}
      .topbar .right{gap:10px}
      .logo-mark{width:38px;height:38px;border-radius:14px}
      .logo-text{font-size:15px;max-width:210px;overflow:hidden;text-overflow:ellipsis}
      .hero h1{font-size:34px}
      .hero p.lead{font-size:16px}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%;min-height:46px;padding:12px 18px}
      .hero-panel{padding:16px;min-height:auto}
      .access-card{margin-top:12px;padding:20px}
      .floating-badge{position:relative;right:auto;bottom:auto;margin:16px 0 0 auto}
      .timeline-wrap,.category-entry,.cta-band{padding:20px;border-radius:26px}
      .big-feature{padding:24px;border-radius:28px;min-height:auto}
      .big-feature h2,.cta-band h2{font-size:27px}
      .category-entry h2{font-size:26px}
      .section-title{font-size:27px}
    }

/* roulang page: category1 */
:root {
      --ink: #211721;
      --ink-soft: #6f6070;
      --muted: #8b7b8d;
      --bg: #fff8fb;
      --bg-2: #fff2e8;
      --card: #ffffff;
      --line: rgba(91, 27, 82, .12);
      --line-strong: rgba(184, 50, 128, .28);
      --purple: #241126;
      --plum: #5b1b52;
      --rose: #b83280;
      --coral: #ff7a59;
      --orange: #ffb15c;
      --mist: #e8ddf4;
      --smoke: #f6d9e8;
      --success: #3f8f6b;
      --warning: #a86322;
      --shadow: 0 18px 50px rgba(61, 27, 57, .10);
      --shadow-hover: 0 24px 70px rgba(91, 27, 82, .16);
      --radius-xl: 34px;
      --radius-lg: 26px;
      --radius-md: 18px;
      --radius-pill: 999px;
      --container: 1220px;
      --ease: 220ms ease-out;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      min-height: 100vh;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--ink);
      line-height: 1.75;
      background:
        radial-gradient(circle at 8% 4%, rgba(255, 177, 92, .18), transparent 30%),
        radial-gradient(circle at 92% 10%, rgba(184, 50, 128, .16), transparent 28%),
        linear-gradient(180deg, #fff8fb 0%, #fff4f9 45%, #fff8fb 100%);
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }

    img, svg {
      max-width: 100%;
      display: block;
    }

    button, input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
      background: none;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 3px solid rgba(255, 122, 89, .38);
      outline-offset: 3px;
      border-radius: 14px;
    }

    .container {
      width: min(100% - 48px, var(--container));
      margin-inline: auto;
    }

    .topbar {
      background: linear-gradient(100deg, #211721 0%, #3a1737 52%, #5b1b52 100%);
      color: rgba(255, 248, 251, .86);
      font-size: 13px;
      position: relative;
      z-index: 30;
    }

    .topbar-inner {
      min-height: 38px;
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 18px;
    }

    .topbar strong {
      color: #fff8fb;
      font-weight: 700;
    }

    .topbar-center {
      display: flex;
      align-items: center;
      gap: 8px;
      justify-content: center;
      white-space: nowrap;
    }

    .topbar-center::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--orange);
      box-shadow: 0 0 0 5px rgba(255, 177, 92, .14);
    }

    .topbar-actions {
      display: flex;
      gap: 14px;
      justify-content: flex-end;
      align-items: center;
    }

    .topbar-actions a:hover {
      color: #fff;
    }

    .header {
      position: sticky;
      top: 0;
      z-index: 29;
      background: rgba(255, 248, 251, .88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(91, 27, 82, .10);
      box-shadow: 0 10px 32px rgba(61, 27, 57, .06);
    }

    .nav {
      min-height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: max-content;
      font-weight: 800;
      letter-spacing: -.02em;
    }

    .logo-mark {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      background:
        radial-gradient(circle at 72% 26%, rgba(255, 177, 92, .95) 0 14%, transparent 15%),
        linear-gradient(135deg, #241126 0%, #5b1b52 48%, #b83280 100%);
      position: relative;
      box-shadow: 0 14px 28px rgba(91, 27, 82, .22);
      flex: 0 0 auto;
    }

    .logo-mark::after {
      content: "";
      position: absolute;
      left: 12px;
      top: 12px;
      width: 17px;
      height: 17px;
      border-radius: 7px;
      border: 2px solid rgba(255, 248, 251, .86);
      transform: rotate(45deg);
    }

    .logo-text {
      font-size: 18px;
      color: var(--ink);
      line-height: 1.2;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      flex: 1;
    }

    .nav-links a {
      position: relative;
      padding: 10px 15px;
      border-radius: var(--radius-pill);
      color: var(--ink-soft);
      font-size: 15px;
      font-weight: 700;
    }

    .nav-links a:hover {
      color: var(--plum);
      background: rgba(246, 217, 232, .55);
    }

    .nav-links a.active {
      color: var(--plum);
      background: linear-gradient(135deg, rgba(246, 217, 232, .85), rgba(232, 221, 244, .70));
      box-shadow: inset 0 0 0 1px rgba(184, 50, 128, .16);
    }

    .nav-links a.active::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 4px;
      height: 3px;
      border-radius: var(--radius-pill);
      background: linear-gradient(90deg, var(--coral), var(--rose));
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 12px 22px;
      border-radius: var(--radius-pill);
      font-weight: 800;
      font-size: 15px;
      line-height: 1.2;
      border: 1px solid transparent;
      user-select: none;
      white-space: nowrap;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
    }

    .btn-primary {
      color: #fff8fb;
      background: linear-gradient(135deg, var(--coral) 0%, var(--rose) 58%, var(--plum) 100%);
      box-shadow: 0 16px 36px rgba(184, 50, 128, .26);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 22px 48px rgba(184, 50, 128, .34);
      background: linear-gradient(145deg, #ff8a68 0%, #c23b8d 54%, #5b1b52 100%);
    }

    .btn-primary:active,
    .btn-secondary:active {
      transform: translateY(1px);
      box-shadow: 0 10px 24px rgba(91, 27, 82, .14);
    }

    .btn-secondary {
      color: var(--plum);
      background: rgba(255, 248, 251, .72);
      border-color: rgba(184, 50, 128, .22);
      box-shadow: 0 10px 26px rgba(61, 27, 57, .07);
    }

    .btn-secondary:hover {
      background: rgba(246, 217, 232, .78);
      transform: translateY(-2px);
      border-color: rgba(184, 50, 128, .36);
    }

    .menu-btn {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 16px;
      background: rgba(246, 217, 232, .68);
      border: 1px solid rgba(91, 27, 82, .10);
      position: relative;
    }

    .menu-btn span,
    .menu-btn::before,
    .menu-btn::after {
      content: "";
      position: absolute;
      left: 13px;
      right: 13px;
      height: 2px;
      border-radius: 999px;
      background: var(--plum);
      transition: transform var(--ease), opacity var(--ease), top var(--ease);
    }

    .menu-btn span {
      top: 22px;
    }

    .menu-btn::before {
      top: 15px;
    }

    .menu-btn::after {
      top: 29px;
    }

    .menu-btn.is-open span {
      opacity: 0;
    }

    .menu-btn.is-open::before {
      top: 22px;
      transform: rotate(45deg);
    }

    .menu-btn.is-open::after {
      top: 22px;
      transform: rotate(-45deg);
    }

    .page-hero {
      padding: 72px 0 54px;
      position: relative;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0 0 auto 0;
      height: 460px;
      background:
        radial-gradient(circle at 18% 18%, rgba(255, 122, 89, .15), transparent 32%),
        radial-gradient(circle at 84% 8%, rgba(184, 50, 128, .15), transparent 28%),
        linear-gradient(135deg, rgba(255, 242, 232, .72), rgba(232, 221, 244, .55));
      z-index: -1;
      border-bottom-left-radius: 44px;
      border-bottom-right-radius: 44px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.06fr) minmax(320px, .72fr);
      gap: 42px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 13px;
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, .70);
      border: 1px solid rgba(184, 50, 128, .18);
      color: var(--plum);
      font-size: 13px;
      font-weight: 800;
      box-shadow: 0 10px 28px rgba(61, 27, 57, .07);
    }

    .eyebrow::before {
      content: "18+";
      display: inline-grid;
      place-items: center;
      min-width: 34px;
      height: 22px;
      border-radius: var(--radius-pill);
      color: #fff8fb;
      background: linear-gradient(135deg, var(--coral), var(--rose));
      font-size: 12px;
    }

    h1 {
      margin-top: 22px;
      max-width: 780px;
      font-size: clamp(34px, 5vw, 56px);
      line-height: 1.14;
      letter-spacing: -.05em;
      font-weight: 850;
      color: var(--ink);
    }

    .gradient-text {
      background: linear-gradient(120deg, var(--plum), var(--rose) 52%, var(--coral));
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-lead {
      margin-top: 20px;
      max-width: 720px;
      color: var(--ink-soft);
      font-size: 18px;
      line-height: 1.82;
    }

    .hero-actions {
      margin-top: 30px;
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      align-items: center;
    }

    .hero-points {
      margin-top: 24px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      color: var(--ink-soft);
    }

    .point {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 9px 12px;
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, .72);
      border: 1px solid rgba(91, 27, 82, .10);
      font-size: 13px;
      font-weight: 700;
    }

    .point::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--orange);
    }

    .summary-card {
      position: relative;
      padding: 24px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(#fff, #fff) padding-box,
        linear-gradient(135deg, rgba(255, 122, 89, .55), rgba(184, 50, 128, .38), rgba(91, 27, 82, .18)) border-box;
      border: 1px solid transparent;
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .summary-card::before {
      content: "";
      position: absolute;
      inset: -70px -80px auto auto;
      width: 190px;
      height: 190px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255, 177, 92, .34), transparent 68%);
    }

    .summary-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      position: relative;
      z-index: 1;
    }

    .summary-title h2 {
      font-size: 22px;
      line-height: 1.35;
      letter-spacing: -.02em;
    }

    .status-badge {
      padding: 7px 10px;
      border-radius: var(--radius-pill);
      color: #6b3b08;
      background: rgba(255, 177, 92, .24);
      border: 1px solid rgba(255, 177, 92, .40);
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .rating-panel {
      margin-top: 22px;
      display: grid;
      gap: 12px;
      position: relative;
      z-index: 1;
    }

    .rating-row {
      display: grid;
      grid-template-columns: 44px 1fr auto;
      align-items: center;
      gap: 12px;
      padding: 14px;
      border-radius: 18px;
      background: linear-gradient(135deg, rgba(255, 248, 251, .92), rgba(255, 242, 232, .66));
      border: 1px solid rgba(91, 27, 82, .10);
    }

    .rating-icon {
      width: 44px;
      height: 44px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 850;
      background: linear-gradient(135deg, var(--plum), var(--rose));
      box-shadow: 0 12px 22px rgba(184, 50, 128, .18);
    }

    .rating-row strong {
      display: block;
      font-size: 15px;
      line-height: 1.35;
    }

    .rating-row span {
      color: var(--muted);
      font-size: 13px;
    }

    .rating-state {
      color: var(--plum);
      font-size: 12px;
      font-weight: 800;
      padding: 6px 9px;
      border-radius: var(--radius-pill);
      background: rgba(232, 221, 244, .68);
    }

    .section {
      padding: 74px 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 28px;
    }

    .section-kicker {
      color: var(--rose);
      font-size: 13px;
      font-weight: 850;
      letter-spacing: .05em;
      margin-bottom: 8px;
    }

    .section h2 {
      font-size: clamp(26px, 3.2vw, 38px);
      line-height: 1.24;
      letter-spacing: -.04em;
    }

    .section-desc {
      max-width: 560px;
      color: var(--ink-soft);
      font-size: 16px;
    }

    .tags-scroll {
      display: flex;
      gap: 10px;
      overflow-x: auto;
      padding: 6px 0 12px;
      scrollbar-width: thin;
      scrollbar-color: rgba(184, 50, 128, .34) transparent;
    }

    .tag {
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 9px 15px;
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, .72);
      border: 1px solid rgba(91, 27, 82, .12);
      color: var(--ink-soft);
      font-size: 14px;
      font-weight: 800;
    }

    .tag:hover {
      border-color: rgba(184, 50, 128, .28);
      color: var(--plum);
      background: rgba(246, 217, 232, .58);
    }

    .tag.active {
      color: #fff8fb;
      border-color: transparent;
      background: linear-gradient(135deg, var(--coral), var(--rose));
      box-shadow: 0 12px 26px rgba(184, 50, 128, .22);
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 26px;
      align-items: start;
    }

    .featured-card {
      min-height: 360px;
      border-radius: var(--radius-xl);
      overflow: hidden;
      background: #fff;
      border: 1px solid rgba(91, 27, 82, .10);
      box-shadow: var(--shadow);
      display: grid;
      grid-template-columns: minmax(0, 1fr) 270px;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .featured-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(184, 50, 128, .26);
    }

    .featured-body {
      padding: 32px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 28px;
    }

    .card-labels {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 16px;
    }

    .mini-label {
      display: inline-flex;
      align-items: center;
      padding: 5px 9px;
      border-radius: var(--radius-pill);
      background: rgba(232, 221, 244, .72);
      color: var(--plum);
      font-size: 12px;
      font-weight: 850;
    }

    .mini-label.warn {
      color: #79450c;
      background: rgba(255, 177, 92, .24);
    }

    .featured-card h2 {
      font-size: clamp(24px, 2.8vw, 34px);
      line-height: 1.26;
      letter-spacing: -.04em;
    }

    .featured-card p {
      margin-top: 14px;
      color: var(--ink-soft);
      font-size: 16px;
      line-height: 1.72;
    }

    .featured-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .abstract-cover {
      position: relative;
      min-height: 100%;
      background:
        radial-gradient(circle at 26% 24%, rgba(255, 177, 92, .8), transparent 24%),
        radial-gradient(circle at 74% 70%, rgba(246, 217, 232, .85), transparent 28%),
        linear-gradient(140deg, #241126 0%, #5b1b52 48%, #b83280 100%);
      overflow: hidden;
    }

    .abstract-cover::before,
    .abstract-cover::after {
      content: "";
      position: absolute;
      border: 1px solid rgba(255, 248, 251, .38);
      border-radius: 30px;
      transform: rotate(18deg);
    }

    .abstract-cover::before {
      width: 170px;
      height: 170px;
      right: 28px;
      top: 42px;
    }

    .abstract-cover::after {
      width: 110px;
      height: 110px;
      right: 98px;
      bottom: 52px;
      background: rgba(255, 248, 251, .08);
    }

    .list-grid {
      margin-top: 24px;
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .list-card {
      padding: 22px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .82);
      border: 1px solid rgba(91, 27, 82, .10);
      box-shadow: 0 14px 34px rgba(61, 27, 57, .07);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease), background var(--ease);
      min-height: 230px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 18px;
    }

    .list-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(184, 50, 128, .28);
      background: #fff;
    }

    .card-topline {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }

    .card-status {
      font-size: 12px;
      font-weight: 850;
      color: var(--success);
      background: rgba(63, 143, 107, .10);
      padding: 5px 9px;
      border-radius: var(--radius-pill);
    }

    .list-card h3 {
      font-size: 21px;
      line-height: 1.36;
      letter-spacing: -.03em;
      margin-bottom: 10px;
    }

    .list-card p {
      color: var(--ink-soft);
      font-size: 15px;
      line-height: 1.68;
    }

    .card-foot {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .text-link {
      color: var(--rose);
      font-weight: 850;
    }

    .text-link:hover {
      color: var(--plum);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .sidebar {
      position: sticky;
      top: 104px;
      display: grid;
      gap: 16px;
    }

    .side-card {
      padding: 22px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .82);
      border: 1px solid rgba(91, 27, 82, .10);
      box-shadow: 0 14px 34px rgba(61, 27, 57, .07);
    }

    .side-card.dark {
      color: #fff8fb;
      background:
        radial-gradient(circle at 80% 12%, rgba(255, 177, 92, .25), transparent 34%),
        linear-gradient(140deg, var(--purple), var(--plum) 60%, #3a1737);
      border-color: rgba(255, 248, 251, .12);
      box-shadow: 0 24px 60px rgba(36, 17, 38, .24);
    }

    .side-card h3 {
      font-size: 20px;
      line-height: 1.35;
      margin-bottom: 12px;
    }

    .side-card p {
      color: var(--ink-soft);
      font-size: 14px;
      line-height: 1.7;
    }

    .side-card.dark p {
      color: rgba(255, 248, 251, .74);
    }

    .rule-list {
      display: grid;
      gap: 10px;
      margin-top: 14px;
      list-style: none;
    }

    .rule-list li {
      position: relative;
      padding-left: 24px;
      color: var(--ink-soft);
      font-size: 14px;
      line-height: 1.65;
    }

    .side-card.dark .rule-list li {
      color: rgba(255, 248, 251, .78);
    }

    .rule-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 9px;
      width: 10px;
      height: 10px;
      border-radius: 4px;
      background: linear-gradient(135deg, var(--coral), var(--rose));
    }

    .hot-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .hot-tags span {
      padding: 6px 9px;
      border-radius: var(--radius-pill);
      background: rgba(246, 217, 232, .62);
      color: var(--plum);
      font-size: 12px;
      font-weight: 800;
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .process-card {
      position: relative;
      padding: 24px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .80);
      border: 1px solid rgba(91, 27, 82, .10);
      box-shadow: 0 14px 34px rgba(61, 27, 57, .07);
      min-height: 220px;
      overflow: hidden;
    }

    .process-card::after {
      content: attr(data-step);
      position: absolute;
      right: 16px;
      top: 8px;
      font-size: 56px;
      line-height: 1;
      font-weight: 900;
      color: rgba(184, 50, 128, .08);
      letter-spacing: -.06em;
    }

    .process-icon {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, rgba(255, 122, 89, .18), rgba(184, 50, 128, .16));
      color: var(--rose);
      font-weight: 900;
      margin-bottom: 16px;
    }

    .process-card h3 {
      font-size: 19px;
      line-height: 1.34;
      margin-bottom: 10px;
      position: relative;
      z-index: 1;
    }

    .process-card p {
      color: var(--ink-soft);
      font-size: 14px;
      line-height: 1.68;
      position: relative;
      z-index: 1;
    }

    .cta-card {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 26px;
      padding: 34px;
      border-radius: var(--radius-xl);
      background:
        radial-gradient(circle at 12% 10%, rgba(255, 177, 92, .28), transparent 28%),
        linear-gradient(135deg, #2a142c 0%, #5b1b52 52%, #b83280 100%);
      color: #fff8fb;
      box-shadow: 0 28px 72px rgba(91, 27, 82, .24);
      overflow: hidden;
      position: relative;
    }

    .cta-card::after {
      content: "";
      position: absolute;
      right: -54px;
      bottom: -70px;
      width: 230px;
      height: 230px;
      border-radius: 50%;
      background: rgba(255, 248, 251, .08);
    }

    .cta-card h2 {
      font-size: clamp(25px, 3vw, 36px);
      line-height: 1.25;
      letter-spacing: -.04em;
    }

    .cta-card p {
      margin-top: 10px;
      max-width: 720px;
      color: rgba(255, 248, 251, .76);
    }

    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      position: relative;
      z-index: 1;
    }

    .cta-card .btn-secondary {
      background: rgba(255, 248, 251, .10);
      color: #fff8fb;
      border-color: rgba(255, 248, 251, .28);
      box-shadow: none;
    }

    .cta-card .btn-secondary:hover {
      background: rgba(255, 248, 251, .18);
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 30px;
      align-items: start;
    }

    .faq-intro {
      padding: 28px;
      border-radius: var(--radius-xl);
      background: linear-gradient(135deg, rgba(255, 242, 232, .92), rgba(246, 217, 232, .58));
      border: 1px solid rgba(91, 27, 82, .10);
    }

    .faq-intro h2 {
      margin-bottom: 12px;
    }

    .faq-intro p {
      color: var(--ink-soft);
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border-radius: 22px;
      background: rgba(255, 255, 255, .84);
      border: 1px solid rgba(91, 27, 82, .10);
      box-shadow: 0 12px 28px rgba(61, 27, 57, .06);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 18px;
      padding: 19px 22px;
      text-align: left;
      color: var(--ink);
      font-weight: 850;
      font-size: 16px;
    }

    .faq-question span {
      flex: 1;
    }

    .faq-question i {
      width: 26px;
      height: 26px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(246, 217, 232, .72);
      color: var(--rose);
      font-style: normal;
      flex: 0 0 auto;
      transition: transform var(--ease), background var(--ease);
    }

    .faq-question[aria-expanded="true"] i {
      transform: rotate(45deg);
      background: linear-gradient(135deg, var(--coral), var(--rose));
      color: #fff;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 240ms ease-out;
    }

    .faq-answer p {
      padding: 0 22px 20px;
      color: var(--ink-soft);
      font-size: 15px;
      line-height: 1.72;
      max-width: 760px;
    }

    .footer {
      margin-top: 40px;
      padding: 58px 0 24px;
      color: rgba(255, 248, 251, .82);
      background:
        radial-gradient(circle at 12% 10%, rgba(255, 122, 89, .18), transparent 32%),
        linear-gradient(135deg, #211721 0%, #3b1638 48%, #241126 100%);
    }

    .footer .logo-text {
      color: #fff8fb;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr .72fr .94fr;
      gap: 34px;
      align-items: start;
    }

    .footer p {
      margin-top: 16px;
      max-width: 520px;
      color: rgba(255, 248, 251, .72);
      font-size: 14px;
      line-height: 1.75;
    }

    .footer h3 {
      color: #fff8fb;
      font-size: 16px;
      margin-bottom: 14px;
      line-height: 1.35;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: rgba(255, 248, 251, .72);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #fff8fb;
      transform: translateX(3px);
    }

    .footer-note {
      padding: 16px;
      border-radius: 18px;
      background: rgba(255, 248, 251, .08);
      border: 1px solid rgba(255, 248, 251, .12);
      color: rgba(255, 248, 251, .74);
      font-size: 14px;
      line-height: 1.72;
    }

    .copyright {
      margin-top: 34px;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 248, 251, .12);
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      color: rgba(255, 248, 251, .62);
      font-size: 13px;
    }

    @media (max-width: 1080px) {
      .hero-grid,
      .content-layout,
      .faq-wrap {
        grid-template-columns: 1fr;
      }

      .sidebar {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .process-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .cta-card {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 860px) {
      .container {
        width: min(100% - 36px, var(--container));
      }

      .topbar-inner {
        grid-template-columns: 1fr auto;
      }

      .topbar-center {
        display: none;
      }

      .nav {
        min-height: 68px;
      }

      .nav-links {
        position: absolute;
        left: 18px;
        right: 18px;
        top: calc(100% + 10px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        border-radius: 24px;
        background: rgba(255, 248, 251, .98);
        border: 1px solid rgba(91, 27, 82, .12);
        box-shadow: var(--shadow-hover);
      }

      .nav-links.is-open {
        display: flex;
      }

      .nav-links a {
        padding: 13px 15px;
      }

      .nav-links a.active::after {
        left: 15px;
        right: auto;
        width: 36px;
      }

      .menu-btn {
        display: inline-flex;
      }

      .nav-cta .btn {
        display: none;
      }

      .featured-card {
        grid-template-columns: 1fr;
      }

      .abstract-cover {
        min-height: 190px;
        order: -1;
      }

      .list-grid,
      .sidebar,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 58px 0;
      }

      .page-hero {
        padding: 54px 0 36px;
      }
    }

    @media (max-width: 560px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .topbar {
        font-size: 12px;
      }

      .topbar-actions a:nth-child(1) {
        display: none;
      }

      .logo-text {
        font-size: 16px;
        max-width: 210px;
      }

      .logo-mark {
        width: 38px;
        height: 38px;
        border-radius: 14px;
      }

      h1 {
        font-size: 34px;
      }

      .hero-lead {
        font-size: 16px;
      }

      .hero-actions,
      .cta-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .btn {
        width: 100%;
        min-height: 48px;
      }

      .summary-card,
      .featured-body,
      .cta-card {
        padding: 22px;
        border-radius: 26px;
      }

      .rating-row {
        grid-template-columns: 40px 1fr;
      }

      .rating-state {
        grid-column: 2;
        justify-self: start;
      }

      .section-head {
        display: block;
      }

      .section-desc {
        margin-top: 10px;
      }

      .process-grid {
        grid-template-columns: 1fr;
      }

      .featured-meta,
      .card-foot {
        flex-direction: column;
        align-items: flex-start;
      }

      .copyright {
        display: grid;
      }
    }