/* roulang page: index */
:root{
      --bg:#040a18;
      --bg-2:#06152f;
      --panel:rgba(12,27,58,.72);
      --panel-2:rgba(255,255,255,.08);
      --panel-3:rgba(7,18,42,.88);
      --text:#eef6ff;
      --muted:#9fb3d3;
      --soft:#c9d8f2;
      --primary:#22d3ee;
      --primary-2:#3b82f6;
      --accent:#f59e0b;
      --danger:#fb7185;
      --green:#34d399;
      --line:rgba(148,163,184,.22);
      --line-strong:rgba(34,211,238,.35);
      --shadow:0 24px 70px rgba(0,0,0,.38);
      --shadow-glow:0 0 34px rgba(34,211,238,.26);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1180px;
      --nav-h:76px;
      --ease:all .25s 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 10% 8%,rgba(34,211,238,.18),transparent 32%),
        radial-gradient(circle at 90% 12%,rgba(59,130,246,.22),transparent 34%),
        linear-gradient(180deg,#030716 0%,#06152f 44%,#020617 100%);
      line-height:1.72;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover,a:focus{color:#fff}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(34,211,238,.32);color:#fff}
    .container{
      width:min(calc(100% - 40px),var(--container));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:99;
      background:linear-gradient(100deg,rgba(4,10,24,.95),rgba(8,42,88,.92) 48%,rgba(3,105,161,.92));
      border-bottom:1px solid rgba(255,255,255,.12);
      box-shadow:0 18px 40px rgba(0,0,0,.24);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{
      min-height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:.02em;
      white-space:nowrap;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#06152f;
      background:linear-gradient(135deg,#67e8f9,#fbbf24);
      box-shadow:0 0 28px rgba(34,211,238,.38);
    }
    .brand-name{
      font-size:1.04rem;
      line-height:1.2;
    }
    .nav-menu{
      display:flex;
      align-items:center;
      gap:10px;
      margin:0;
      list-style:none;
    }
    .nav-menu a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:11px 15px;
      border-radius:999px;
      color:rgba(255,255,255,.84);
      font-weight:700;
      font-size:.95rem;
    }
    .nav-menu a:hover,
    .nav-menu a.active{
      background:rgba(255,255,255,.14);
      color:#fff;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.13);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .nav-search{
      display:flex;
      align-items:center;
      gap:8px;
      min-width:210px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.16);
      color:rgba(255,255,255,.7);
    }
    .nav-search input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:#fff;
      font-size:.9rem;
    }
    .nav-search input::placeholder{color:rgba(255,255,255,.58)}
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid rgba(255,255,255,.18);
      border-radius:14px;
      background:rgba(255,255,255,.1);
      color:#fff;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border:0;
      border-radius:999px;
      padding:13px 20px;
      min-height:46px;
      font-weight:900;
      line-height:1;
      transition:var(--ease);
      position:relative;
      overflow:hidden;
    }
    .btn:focus,
    a:focus,
    input:focus,
    textarea:focus,
    select:focus{
      outline:3px solid rgba(34,211,238,.35);
      outline-offset:3px;
    }
    .btn-primary{
      color:#06152f;
      background:linear-gradient(135deg,#67e8f9,#22d3ee 55%,#fbbf24);
      box-shadow:var(--shadow-glow);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      color:#06152f;
      box-shadow:0 0 42px rgba(34,211,238,.42);
    }
    .btn-ghost{
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.08);
      color:#fff;
    }
    .btn-ghost:hover{
      background:rgba(255,255,255,.14);
      transform:translateY(-2px);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 11px;
      border-radius:999px;
      font-size:.82rem;
      font-weight:800;
      color:#dff9ff;
      background:rgba(34,211,238,.12);
      border:1px solid rgba(34,211,238,.22);
    }
    .section{
      padding:82px 0;
      position:relative;
    }
    .section-tight{padding:56px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:30px;
    }
    .section-kicker{
      color:var(--primary);
      font-weight:900;
      letter-spacing:.08em;
      font-size:.82rem;
      margin-bottom:9px;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.65rem,3vw,2.75rem);
      line-height:1.18;
      letter-spacing:-.04em;
    }
    .section-desc{
      margin:12px 0 0;
      max-width:650px;
      color:var(--muted);
      font-size:1rem;
    }
    .hero{
      padding:54px 0 76px;
    }
    .hero-stage{
      min-height:560px;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:22px;
      align-items:stretch;
    }
    .hero-main{
      padding:44px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(34,211,238,.14),rgba(59,130,246,.07) 45%,rgba(245,158,11,.09)),
        rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.16);
      box-shadow:var(--shadow);
      backdrop-filter:blur(22px);
      position:relative;
      overflow:hidden;
    }
    .hero-main:after{
      content:"";
      position:absolute;
      width:320px;
      height:320px;
      right:-110px;
      top:-120px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(34,211,238,.32),transparent 62%);
      filter:blur(4px);
    }
    .age-pill{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:9px 13px;
      border-radius:999px;
      color:#ffe9bd;
      background:rgba(245,158,11,.13);
      border:1px solid rgba(245,158,11,.28);
      font-weight:800;
      position:relative;
      z-index:1;
    }
    h1{
      margin:24px 0 18px;
      max-width:820px;
      font-size:clamp(2.45rem,5.5vw,5.25rem);
      line-height:.98;
      letter-spacing:-.07em;
      position:relative;
      z-index:1;
    }
    .hero-lead{
      max-width:760px;
      margin:0;
      color:#c7d7f1;
      font-size:1.1rem;
      position:relative;
      z-index:1;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:28px;
      position:relative;
      z-index:1;
    }
    .hero-proof{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:34px;
      position:relative;
      z-index:1;
    }
    .proof-item{
      padding:16px;
      border-radius:18px;
      background:rgba(0,0,0,.16);
      border:1px solid rgba(255,255,255,.12);
    }
    .proof-num{
      display:block;
      color:#fff;
      font-size:1.35rem;
      font-weight:950;
      line-height:1.1;
    }
    .proof-label{
      display:block;
      color:var(--muted);
      font-size:.86rem;
      margin-top:6px;
    }
    .hero-bento{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .glass-card{
      border:1px solid rgba(255,255,255,.15);
      background:linear-gradient(180deg,rgba(255,255,255,.1),rgba(255,255,255,.055));
      border-radius:var(--radius-lg);
      box-shadow:0 18px 50px rgba(0,0,0,.22);
      backdrop-filter:blur(18px);
      transition:var(--ease);
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:rgba(34,211,238,.34);
      box-shadow:0 24px 70px rgba(0,0,0,.34),0 0 24px rgba(34,211,238,.16);
    }
    .spot-card{
      padding:22px;
      min-height:200px;
      position:relative;
      overflow:hidden;
    }
    .spot-card.large{
      grid-column:span 2;
      min-height:250px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        linear-gradient(120deg,rgba(3,105,161,.42),rgba(15,23,42,.68)),
        radial-gradient(circle at 80% 20%,rgba(245,158,11,.24),transparent 35%);
    }
    .spot-card h2,.spot-card h3{
      margin:10px 0 8px;
      font-size:1.25rem;
      line-height:1.25;
    }
    .spot-card.large h2{font-size:1.75rem}
    .spot-card p{margin:0;color:var(--muted);font-size:.95rem}
    .visual-bars{
      display:flex;
      gap:9px;
      align-items:flex-end;
      height:80px;
      margin-top:18px;
    }
    .visual-bars i{
      flex:1;
      border-radius:999px 999px 8px 8px;
      background:linear-gradient(180deg,#67e8f9,#1d4ed8);
      box-shadow:0 0 18px rgba(34,211,238,.24);
    }
    .visual-bars i:nth-child(1){height:38%}
    .visual-bars i:nth-child(2){height:70%}
    .visual-bars i:nth-child(3){height:52%}
    .visual-bars i:nth-child(4){height:92%}
    .visual-bars i:nth-child(5){height:62%}
    .feature-strip{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:20px;
      align-items:stretch;
    }
    .pain-card{
      padding:28px;
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.14);
    }
    .pain-list{
      display:grid;
      gap:14px;
      margin:22px 0 0;
    }
    .pain-item{
      display:flex;
      gap:13px;
      padding:15px;
      border-radius:16px;
      background:rgba(2,6,23,.32);
      border:1px solid rgba(255,255,255,.1);
    }
    .pain-item i{color:var(--danger);margin-top:5px}
    .pain-item strong{display:block;margin-bottom:3px}
    .pain-item span{color:var(--muted);font-size:.93rem}
    .solution-card{
      padding:28px;
      border-radius:var(--radius-xl);
      background:linear-gradient(160deg,rgba(34,211,238,.14),rgba(59,130,246,.07));
      border:1px solid rgba(34,211,238,.24);
    }
    .solution-card ul{
      list-style:none;
      margin:22px 0 0;
      padding:0;
      display:grid;
      gap:12px;
    }
    .solution-card li{
      display:flex;
      gap:10px;
      color:#d8e8ff;
    }
    .solution-card li i{color:var(--green);margin-top:5px}
    .cards-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .feature-card{
      padding:24px;
      min-height:226px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.13);
      transition:var(--ease);
    }
    .feature-card:hover{
      transform:translateY(-5px);
      background:rgba(255,255,255,.09);
      border-color:rgba(34,211,238,.28);
    }
    .icon-box{
      width:48px;
      height:48px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:#06152f;
      background:linear-gradient(135deg,#67e8f9,#fbbf24);
      margin-bottom:18px;
      box-shadow:0 0 26px rgba(34,211,238,.22);
    }
    .feature-card h3{margin:0 0 10px;font-size:1.2rem}
    .feature-card p{margin:0;color:var(--muted);font-size:.95rem}
    .time-wall{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .time-card{
      padding:22px;
      border-radius:22px;
      background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.045));
      border:1px solid rgba(255,255,255,.13);
      position:relative;
      overflow:hidden;
    }
    .time-card:before{
      content:"";
      position:absolute;
      inset:auto 18px -28px auto;
      width:86px;
      height:86px;
      border-radius:50%;
      background:rgba(34,211,238,.13);
      filter:blur(2px);
    }
    .time-card .time{font-size:.86rem;color:var(--primary);font-weight:900}
    .time-card h3{margin:10px 0 8px;font-size:1.12rem}
    .time-card p{margin:0;color:var(--muted);font-size:.92rem}
    .split{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:22px;
      align-items:start;
    }
    .rank-panel,.review-panel,.news-panel,.recommend-panel,.form-panel,.faq-panel{
      padding:26px;
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.13);
      box-shadow:0 18px 50px rgba(0,0,0,.18);
    }
    .rank-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .rank-item{
      display:grid;
      grid-template-columns:38px 1fr auto;
      gap:12px;
      align-items:center;
      padding:14px;
      border-radius:16px;
      background:rgba(2,6,23,.26);
      border:1px solid rgba(255,255,255,.1);
    }
    .rank-no{
      width:34px;height:34px;border-radius:12px;
      display:grid;place-items:center;
      color:#06152f;
      background:#67e8f9;
      font-weight:950;
    }
    .rank-title{font-weight:850}
    .rank-meta{color:var(--muted);font-size:.86rem;margin-top:2px}
    .trend{
      font-weight:900;
      color:#fbbf24;
      white-space:nowrap;
    }
    .topic-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .topic-card{
      min-height:136px;
      padding:20px;
      border-radius:20px;
      background:
        linear-gradient(135deg,rgba(59,130,246,.14),rgba(255,255,255,.055)),
        rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.13);
      transition:var(--ease);
    }
    .topic-card:hover{
      transform:translateY(-4px);
      border-color:rgba(245,158,11,.32);
      box-shadow:0 0 28px rgba(245,158,11,.12);
    }
    .topic-card h3{margin:0 0 8px;font-size:1.08rem}
    .topic-card p{margin:0;color:var(--muted);font-size:.9rem}
    .news-layout{
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:22px;
    }
    .news-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .news-list a{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;
      align-items:center;
      padding:15px 0;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .news-list a:hover{color:#dff9ff;transform:translateX(3px)}
    .news-tag{
      padding:5px 9px;
      border-radius:999px;
      color:#baf7ff;
      background:rgba(34,211,238,.1);
      font-size:.78rem;
      font-weight:800;
    }
    .news-title{font-weight:800}
    .news-date{color:var(--muted);font-size:.84rem;white-space:nowrap}
    .recommend-card{
      padding:18px;
      border-radius:18px;
      background:linear-gradient(135deg,rgba(34,211,238,.12),rgba(245,158,11,.1));
      border:1px solid rgba(255,255,255,.12);
    }
    .recommend-card h3{margin:0 0 8px}
    .recommend-card p{margin:0 0 16px;color:var(--muted);font-size:.92rem}
    .review-summary{
      display:flex;
      gap:18px;
      align-items:center;
      padding:18px;
      border-radius:20px;
      background:rgba(34,211,238,.1);
      border:1px solid rgba(34,211,238,.2);
      margin-bottom:18px;
    }
    .score{
      font-size:3rem;
      line-height:1;
      font-weight:950;
      color:#fff;
      letter-spacing:-.06em;
    }
    .stars{color:#fbbf24;letter-spacing:2px}
    .review-list{
      display:grid;
      gap:12px;
    }
    .review{
      padding:16px;
      border-radius:18px;
      background:rgba(2,6,23,.24);
      border:1px solid rgba(255,255,255,.1);
    }
    .review p{margin:0;color:#d4e4ff;font-size:.94rem}
    .review strong{display:block;margin-bottom:7px}
    .steps{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
      counter-reset:step;
    }
    .step{
      padding:26px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.13);
      position:relative;
    }
    .step:before{
      counter-increment:step;
      content:"0" counter(step);
      position:absolute;
      right:22px;
      top:18px;
      color:rgba(255,255,255,.12);
      font-size:2.3rem;
      line-height:1;
      font-weight:950;
    }
    .step h3{margin:16px 0 8px}
    .step p{margin:0;color:var(--muted);font-size:.95rem}
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .faq-item{
      padding:22px;
      border-radius:20px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.13);
    }
    .faq-item h3{
      margin:0 0 10px;
      font-size:1.05rem;
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .faq-item h3 i{color:var(--primary);margin-top:5px}
    .faq-item p{margin:0;color:var(--muted);font-size:.94rem}
    .lead-form{
      display:grid;
      gap:14px;
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .field label{
      display:block;
      color:#d8e8ff;
      font-weight:800;
      margin-bottom:8px;
      font-size:.92rem;
    }
    .field input,.field select,.field textarea{
      width:100%;
      border:1px solid rgba(255,255,255,.16);
      border-radius:16px;
      background:rgba(2,6,23,.38);
      color:#fff;
      padding:13px 14px;
      min-height:48px;
      outline:0;
      transition:var(--ease);
    }
    .field textarea{min-height:112px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:rgba(201,216,242,.5)}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:rgba(34,211,238,.55);
      box-shadow:0 0 0 4px rgba(34,211,238,.1);
    }
    .form-note{
      color:var(--muted);
      font-size:.88rem;
      margin:0;
    }
    .cta-band{
      padding:34px;
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 20% 20%,rgba(34,211,238,.24),transparent 38%),
        linear-gradient(135deg,rgba(8,47,73,.9),rgba(15,23,42,.88));
      border:1px solid rgba(34,211,238,.22);
      box-shadow:var(--shadow),var(--shadow-glow);
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:28px;
    }
    .cta-band h2{margin:0 0 8px;font-size:clamp(1.55rem,3vw,2.45rem)}
    .cta-band p{margin:0;color:var(--soft);max-width:720px}
    .site-footer{
      padding:54px 0 30px;
      background:rgba(2,6,23,.72);
      border-top:1px solid rgba(255,255,255,.1);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:26px;
      align-items:start;
    }
    .footer-logo{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:950;
      font-size:1.05rem;
      margin-bottom:14px;
    }
    .footer-logo i{
      width:38px;height:38px;border-radius:14px;
      display:grid;place-items:center;
      color:#06152f;
      background:linear-gradient(135deg,#67e8f9,#fbbf24);
    }
    .footer-text{color:var(--muted);margin:0;max-width:520px}
    .footer-title{font-weight:900;margin:0 0 12px;color:#fff}
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{color:var(--muted)}
    .footer-links a:hover{color:#fff}
    .copyright{
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      color:rgba(201,216,242,.72);
      font-size:.9rem;
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
    }
    .adult-warning{
      position:fixed;
      left:18px;
      bottom:18px;
      z-index:80;
      max-width:360px;
      padding:14px 16px;
      border-radius:18px;
      background:rgba(3,7,18,.82);
      border:1px solid rgba(245,158,11,.22);
      color:#ffe9bd;
      box-shadow:0 18px 45px rgba(0,0,0,.28);
      backdrop-filter:blur(16px);
      font-size:.88rem;
    }
    .adult-warning button{
      margin-left:8px;
      border:0;
      border-radius:999px;
      padding:6px 10px;
      background:rgba(245,158,11,.18);
      color:#fff;
      font-weight:800;
    }
    @media (max-width:1024px){
      .nav-search{display:none}
      .hero-stage,.feature-strip,.split,.news-layout{
        grid-template-columns:1fr;
      }
      .time-wall,.topic-grid{grid-template-columns:repeat(2,1fr)}
      .cards-grid,.steps{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      :root{--nav-h:auto}
      .container{width:min(calc(100% - 28px),var(--container))}
      .nav-wrap{padding:14px 0;align-items:flex-start}
      .mobile-toggle{display:grid;place-items:center}
      .nav-menu{
        position:absolute;
        top:72px;
        left:14px;
        right:14px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:12px;
        border-radius:22px;
        background:rgba(3,7,18,.94);
        border:1px solid rgba(255,255,255,.12);
        box-shadow:var(--shadow);
      }
      .nav-menu.open{display:flex}
      .nav-menu a{justify-content:center}
      .nav-actions{margin-left:auto}
      .nav-actions .btn{display:none}
      .hero{padding-top:34px}
      .hero-main{padding:28px}
      .hero-bento{grid-template-columns:1fr}
      .spot-card.large{grid-column:span 1}
      .hero-proof,.cards-grid,.steps,.faq-grid,.form-grid{grid-template-columns:1fr}
      .section{padding:62px 0}
      .section-head{display:block}
      .cta-band{display:block}
      .cta-band .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr}
      .adult-warning{left:12px;right:12px;max-width:none}
    }
    @media (max-width:520px){
      .brand-name{max-width:210px;white-space:normal}
      h1{font-size:2.35rem}
      .hero-actions .btn{width:100%}
      .time-wall,.topic-grid{grid-template-columns:1fr}
      .rank-item{grid-template-columns:34px 1fr}
      .trend{grid-column:2}
      .news-list a{grid-template-columns:1fr;gap:6px}
      .news-date{white-space:normal}
      .review-summary{align-items:flex-start;flex-direction:column}
      .copyright{display:block}
    }