/* roulang page: index */
:root{
    --bg:#070D17;
    --bg-alt:#0C1522;
    --bg-deep:#050A12;
    --panel:#101D2E;
    --panel-glass:rgba(255,255,255,0.05);
    --border-glass:rgba(255,255,255,0.12);
    --primary:#2F6BFF;
    --primary-soft:#4C8DFF;
    --cyan:#27E0C7;
    --amber:#F6B93B;
    --text-strong:#F1F5FB;
    --text-body:#B8C4D9;
    --text-muted:#8296AE;
    --success:#3DDC97;
    --danger:#FF6B81;
    --radius-lg:20px;
    --radius-md:16px;
    --radius-sm:10px;
    --shadow-primary:0 12px 42px rgba(47,107,255,0.28);
    --shadow-cyan:0 12px 40px rgba(39,224,199,0.2);
    --shadow-card:0 16px 40px rgba(1,5,14,0.38);
    --font-main:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei UI","Noto Sans CJK SC",sans-serif;
    --container:1224px;
    --radius-pill:999px;
  }

  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    background:
      radial-gradient(800px 420px at 15% -5%,rgba(47,107,255,0.16),transparent 62%),
      radial-gradient(720px 500px at 92% 8%,rgba(39,224,199,0.08),transparent 55%),
      var(--bg);
    color:var(--text-body);
    font-family:var(--font-main);
    font-size:16px;
    line-height:1.75;
    min-height:100vh;
    -webkit-font-smoothing:antialiased;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    z-index:0;
    pointer-events:none;
    opacity:.5;
    background-image:
      linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,0.02) 1px,transparent 1px);
    background-size:44px 44px;
  }
  body *{outline:none}
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  ul,ol{list-style:none}
  input,button,select,textarea{font:inherit;color:inherit}
  button{background:none;border:none;cursor:pointer}
  :focus-visible{
    outline:2px solid var(--cyan);
    outline-offset:3px;
    border-radius:6px;
  }

  .container{
    width:min(var(--container),calc(100% - 48px));
    margin:0 auto;
    position:relative;
    z-index:1;
  }
  .section{padding:86px 0;position:relative}
  .section.bg-alt{background:rgba(255,255,255,0.015);border-top:1px solid rgba(255,255,255,0.05);border-bottom:1px solid rgba(255,255,255,0.05)}
  .section-head{margin-bottom:48px}
  .kicker{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    font-weight:600;
    letter-spacing:.14em;
    color:var(--cyan);
    padding:6px 14px;
    border:1px solid rgba(39,224,199,0.34);
    border-radius:var(--radius-pill);
    background:rgba(39,224,199,0.07);
    margin-bottom:10px;
  }
  .section-title{
    font-size:clamp(26px,3.5vw,38px);
    line-height:1.3;
    font-weight:800;
    color:var(--text-strong);
    letter-spacing:.02em;
  }
  .section-sub{margin-top:12px;font-size:16px;max-width:720px;color:var(--text-muted)}

  .site-header{
    position:sticky;
    top:0;
    z-index:50;
    border-bottom:1px solid rgba(255,255,255,0.08);
    background:rgba(7,13,23,0.92);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
  }
  .header-top{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    height:70px;
  }
  .brand{
    display:flex;
    align-items:center;
    gap:12px;
    min-width:0;
  }
  .brand-logo{
    width:42px;
    height:42px;
    border-radius:13px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:linear-gradient(135deg,var(--primary-soft),var(--cyan));
    box-shadow:0 0 22px rgba(47,107,255,0.4);
    color:#071823;
    font-weight:900;
    font-size:19px;
    flex:0 0 auto;
  }
  .brand-name{
    font-size:21px;
    font-weight:800;
    color:var(--text-strong);
    letter-spacing:.04em;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .header-actions{
    display:flex;
    align-items:center;
    gap:14px;
    margin-left:auto;
  }
  .search-form{
    position:relative;
    display:flex;
    align-items:center;
  }
  .search-input{
    width:0;
    padding:0;
    opacity:0;
    border:1px solid rgba(255,255,255,0.18);
    background:rgba(255,255,255,0.07);
    color:var(--text-strong);
    border-radius:var(--radius-pill);
    transition:all .22s ease;
    height:36px;
  }
  .search-form.open .search-input{
    width:190px;
    padding:8px 36px 8px 14px;
    opacity:1;
  }
  .search-btn{
    width:36px;
    height:36px;
    border-radius:50%;
    color:var(--text-body);
    display:flex;
    align-items:center;
    justify-content:center;
    border:1px solid rgba(255,255,255,0.16);
    transition:.2s;
    flex:0 0 auto;
  }
  .search-btn:hover{color:var(--cyan);border-color:rgba(39,224,199,0.5)}
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 22px;
    border-radius:14px;
    font-weight:700;
    font-size:15px;
    border:1px solid transparent;
    transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,color .2s;
    min-height:44px;
  }
  .btn:hover{transform:translateY(-1px)}
  .btn:active{transform:translateY(1px) scale(.98)}
  .btn-primary{
    background:linear-gradient(135deg,var(--primary-soft) 0%,var(--cyan) 120%);
    color:#061B26;
    box-shadow:var(--shadow-cyan);
  }
  .btn-primary:hover{
    box-shadow:0 4px 26px rgba(39,224,199,0.44);
  }
  .btn-ghost{
    border-color:rgba(255,255,255,0.18);
    background:rgba(255,255,255,0.03);
    color:var(--text-strong);
  }
  .btn-ghost:hover{
    border-color:rgba(255,255,255,0.36);
    background:rgba(255,255,255,0.08);
  }
  .btn-sm{min-height:38px;padding:6px 16px;font-size:14px;border-radius:11px}
  .header-cta{
    background:linear-gradient(135deg,#4C8DFF,#27E0C7);
    color:#061B26;
    box-shadow:0 0 22px rgba(39,224,199,0.25);
  }
  .header-cta:hover{box-shadow:0 4px 30px rgba(39,224,199,0.45)}

  .second-nav{
    border-top:1px solid rgba(255,255,255,0.05);
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .second-nav::-webkit-scrollbar{display:none}
  .channel-nav{
    display:flex;
    align-items:center;
    gap:8px;
    min-width:max-content;
    padding:10px 0;
  }
  .channel-link{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:8px 18px;
    border-radius:var(--radius-pill);
    color:var(--text-muted);
    font-size:14px;
    font-weight:600;
    white-space:nowrap;
    transition:.2s;
    border:1px solid transparent;
  }
  .channel-link:hover{
    color:var(--text-strong);
    background:rgba(255,255,255,0.06);
  }
  .channel-link.active{
    color:#041720;
    background:linear-gradient(135deg,var(--primary-soft),var(--cyan));
    box-shadow:0 2px 18px rgba(39,224,199,0.22);
  }

  .hero{
    position:relative;
    min-height:min(88vh,780px);
    display:flex;
    align-items:center;
    overflow:hidden;
    background:
      linear-gradient(90deg,rgba(7,13,23,0.94) 0%,rgba(7,13,23,0.6) 58%,rgba(7,13,23,0.26) 100%),
      url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  }
  .hero::before{
    content:"";
    position:absolute;
    inset:auto -20% -70% -10%;
    height:265px;
    background:radial-gradient(ellipse,var(--primary) 0%,transparent 65%);
    opacity:.12;
  }
  .hero-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center;padding:68px 0}
  .hero-tag{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    letter-spacing:.1em;
    color:var(--cyan);
    background:rgba(39,224,199,0.1);
    border:1px solid rgba(39,224,199,0.3);
    padding:6px 14px;
    border-radius:var(--radius-pill);
    margin-bottom:22px;
  }
  .hero h1{
    font-size:clamp(34px,5.2vw,62px);
    font-weight:900;
    line-height:1.17;
    color:var(--text-strong);
    letter-spacing:.02em;
    margin-bottom:18px;
    text-wrap:balance;
  }
  .hero h1 .grad{
    background:linear-gradient(120deg,var(--primary-soft),var(--cyan));
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .hero-lead{
    font-size:18px;
    line-height:1.8;
    color:rgba(220,231,248,0.88);
    max-width:560px;
    margin:20px 0 34px;
  }
  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:14px;
  }
  .hero-note{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:14px;
    color:var(--text-muted);
  }
  .hero-event-card{
    background:linear-gradient(150deg,rgba(255,255,255,0.1),rgba(255,255,255,0.02));
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border:1px solid rgba(255,255,255,0.16);
    border-radius:24px;
    padding:26px;
    box-shadow:0 30px 90px rgba(0,0,0,0.45);
  }
  .event-date-pill{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    border-bottom:1px dashed rgba(255,255,255,0.17);
    padding-bottom:18px;
    margin-bottom:16px;
  }
  .event-date-pill .num{font-size:34px;font-weight:900;color:var(--cyan);line-height:1}
  .event-date-pill .lbl{font-size:13px;color:var(--text-muted)}
  .event-meta-row{display:flex;gap:14px;flex-wrap:wrap}
  .event-meta-item{flex:1;min-width:80px}
  .event-meta-item .icon{font-size:20px;margin-bottom:4px}
  .event-meta-item .name{color:var(--text-strong);font-weight:600;font-size:14px}
  .event-meta-item .desc{color:var(--text-muted);font-size:12px}

  .info-strip{padding:28px 0;background:var(--bg-deep);border-bottom:1px solid rgba(255,255,255,0.07)}
  .info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
  .info-cell{display:flex;align-items:center;gap:16px;padding:14px;border-radius:18px;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08)}
  .info-cell .ico{
    width:48px;height:48px;border-radius:14px;background:rgba(47,107,255,0.14);
    display:flex;align-items:center;justify-content:center;color:var(--primary-soft);
    font-size:21px;flex:0 0 auto;
  }
  .info-cell b{display:block;color:var(--text-strong);font-size:15px}
  .info-cell span{font-size:13px;color:var(--text-muted);line-height:1.4}

  .timeline-day{margin-bottom:48px}
  .day-head{
    display:flex;
    align-items:center;
    gap:12px;
    margin-bottom:26px;
  }
  .day-badge{
    width:52px;height:52px;border-radius:15px;
    background:linear-gradient(135deg,rgba(47,107,255,0.8),rgba(39,224,199,0.8));
    color:#061B26;
    font-weight:900;
    font-size:15px;
    line-height:1.2;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    box-shadow:0 10px 28px rgba(47,107,255,0.22);
  }
  .day-head h3{color:var(--text-strong);font-size:20px;font-weight:700}
  .day-head p{color:var(--text-muted);font-size:13px}
  .timeline{position:relative;padding-left:30px}
  .timeline::before{
    content:"";
    position:absolute;
    left:8px;
    top:6px;
    bottom:6px;
    width:2px;
    background:linear-gradient(180deg,var(--primary-soft) 0%,rgba(39,224,199,0.5) 100%);
    opacity:.45;
  }
  .timeline-item{
    position:relative;
    display:grid;
    grid-template-columns:118px 1fr;
    gap:24px;
    background:var(--panel-glass);
    border:1px solid var(--border-glass);
    border-radius:var(--radius-lg);
    padding:20px 24px;
    margin-bottom:18px;
    transition:.22s;
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
  }
  .timeline-item:hover{
    transform:translateY(-3px);
    border-color:rgba(39,224,199,0.25);
    background:rgba(255,255,255,0.07);
  }
  .timeline-item::before{
    content:"";
    position:absolute;
    left:-28px;
    top:28px;
    width:13px;
    height:13px;
    border-radius:50%;
    background:var(--bg);
    border:3px solid var(--primary-soft);
    box-shadow:0 0 0 3px rgba(47,107,255,0.14);
    transition:.2s;
  }
  .timeline-item:hover::before{
    border-color:var(--cyan);
    box-shadow:0 0 12px var(--cyan);
  }
  .t-time{color:var(--cyan);font-weight:700;font-size:15px;padding-top:4px}
  .t-title{color:var(--text-strong);font-size:17px;font-weight:700;margin-bottom:5px}
  .t-tags{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--text-muted);font-size:13px}
  .t-tags span{
    background:rgba(255,255,255,0.06);
    border:1px solid rgba(255,255,255,0.08);
    padding:2px 10px;
    border-radius:999px;
  }

  .guests-section{
    background:
      radial-gradient(700px 300px at 0% 100%,rgba(39,224,199,0.07),transparent 60%),
      var(--bg-alt);
  }
  .guest-grid{display:grid;grid-template-columns:1.08fr 1.92fr;gap:30px;align-items:stretch}
  .guest-feature{
    border-radius:26px;
    overflow:hidden;
    position:relative;
    min-height:360px;
    display:flex;
    flex-direction:column;
    justify-content:flex-end;
    background:url("/assets/images/coverpic/cover-6.png") center/cover;
    border:1px solid var(--border-glass);
    box-shadow:var(--shadow-card);
  }
  .guest-feature::before{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(190deg,transparent 30%,rgba(5,10,18,0.92));
  }
  .guest-feature-info{position:relative;z-index:1;padding:26px}
  .guest-feature-info h3{color:#fff;font-size:24px;font-weight:800}
  .guest-feature-info p{color:rgba(235,244,255,.84);font-size:14px;line-height:1.6;margin-top:4px}
  .guest-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px}
  .guest-card{
    background:var(--panel-glass);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border:1px solid var(--border-glass);
    border-radius:22px;
    padding:24px;
    transition:.25s;
    display:flex;
    flex-direction:column;
    gap:14px;
  }
  .guest-card:hover{transform:translateY(-4px);border-color:rgba(47,107,255,.4);background:rgba(255,255,255,0.07)}
  .guest-tag{color:var(--cyan);font-size:12px;letter-spacing:.1em;text-transform:uppercase}
  .guest-card h4{color:var(--text-strong);font-size:20px;font-weight:700}
  .guest-card .role{color:var(--text-body);font-size:14px}
  .guest-desc{color:var(--text-muted);font-size:14px;line-height:1.75}
  .guest-avatar{
    width:58px;height:58px;
    border-radius:50%;
    background:linear-gradient(145deg,var(--primary),var(--cyan));
    display:flex;align-items:center;justify-content:center;
    font-weight:900;color:#fff;font-size:22px;
    box-shadow:0 8px 22px rgba(47,107,255,.25);
    margin-bottom:4px;
  }
  .guest-card:nth-child(2){margin-top:26px}

  .feature-cards{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:24px}
  .feature-card{
    border-radius:22px;
    overflow:hidden;
    border:1px solid var(--border-glass);
    background-color:var(--panel);
    transition:.25s;
    display:flex;
    flex-direction:column;
  }
  .feature-card:hover{transform:translateY(-3px);border-color:rgba(39,224,199,.35);box-shadow:var(--shadow-card)}
  .feature-img{aspect-ratio:16/8;overflow:hidden}
  .feature-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
  .feature-card:hover .feature-img img{transform:scale(1.03)}
  .feature-body{padding:20px;display:flex;flex-direction:column;gap:8px}
  .feature-title{font-size:18px;color:var(--text-strong);font-weight:700}
  .feature-body p{font-size:14px;color:var(--text-muted);line-height:1.7}
  .feature-more{display:inline-flex;align-items:center;gap:6px;color:var(--cyan);font-weight:600;font-size:13px;margin-top:auto}

  .ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:center}
  .ticket-card{
    background:linear-gradient(180deg,rgba(255,255,255,0.055),rgba(255,255,255,0.015));
    border:1px solid rgba(255,255,255,0.12);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-radius:24px;
    padding:32px 26px;
    transition:.25s;
    position:relative;
    display:flex;
    flex-direction:column;
  }
  .ticket-card:hover{transform:translateY(-5px);border-color:rgba(255,255,255,0.24)}
  .ticket-card.hot{
    border-color:rgba(246,185,59,.6);
    box-shadow:0 0 40px rgba(246,185,59,.1);
    padding:42px 26px;
    transform:translateY(-12px);
  }
  .ticket-card.hot:hover{transform:translateY(-16px)}
  .hot-tag{
    position:absolute;
    top:-15px;
    left:50%;
    transform:translateX(-50%);
    background:var(--amber);
    color:#1B1403;
    font-size:12px;
    font-weight:800;
    letter-spacing:.08em;
    padding:4px 18px;
    border-radius:24px;
    box-shadow:0 4px 20px rgba(246,185,59,.4);
    white-space:nowrap;
  }
  .ticket-name{font-size:18px;color:var(--text-strong);font-weight:800;margin-bottom:5px}
  .ticket-en{color:var(--text-muted);font-size:12px;letter-spacing:.1em;text-transform:uppercase}
  .ticket-price{display:flex;align-items:flex-end;gap:6px;margin:22px 0;color:var(--text-strong)}
  .ticket-price .cur{font-size:15px;color:var(--text-muted);font-weight:600;margin-bottom:7px}
  .ticket-price .amount{font-size:52px;font-weight:900;line-height:.9;background:linear-gradient(120deg,var(--primary-soft),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
  .ticket-card.hot .amount{color:var(--amber);-webkit-text-fill-color:var(--amber);background:none}
  .ticket-price small{color:var(--text-muted);margin-left:6px;font-size:13px;font-weight:400}
  .ticket-list{margin:16px 0 24px;display:flex;flex-direction:column;gap:12px}
  .ticket-list li{display:flex;gap:10px;font-size:14px;line-height:1.6;color:var(--text-body)}
  .ticket-list li::before{content:"✓";color:var(--cyan);font-weight:900;flex-shrink:0}
  .ticket-card.hot .ticket-list li::before{color:var(--amber)}
  .ticket-btn{width:100%}
  .ticket-card.hot .ticket-btn{background:linear-gradient(135deg,#FFC85C,#F6B93B);color:#1B1403;box-shadow:0 8px 28px rgba(246,185,59,.36)}
  .ticket-card:not(.hot) .ticket-btn{
    background:transparent;
    border:1px solid rgba(255,255,255,0.2);
    color:var(--text-strong);
  }
  .ticket-card:not(.hot) .ticket-btn:hover{border-color:rgba(39,224,199,0.55);color:var(--cyan)}

  .news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
  .news-card{
    display:grid;
    grid-template-columns:224px 1fr;
    gap:0;
    background:rgba(255,255,255,0.045);
    border:1px solid rgba(255,255,255,0.1);
    border-radius:20px;
    overflow:hidden;
    transition:all .22s ease;
  }
  .news-card:hover{
    transform:translateY(-4px);
    border-color:rgba(47,107,255,.45);
    background:rgba(255,255,255,0.07);
    box-shadow:0 20px 55px rgba(0,0,0,.32);
  }
  .news-thumb{aspect-ratio:16/10;background:rgba(255,255,255,0.05);min-height:100%}
  .news-thumb img{width:100%;height:100%;object-fit:cover}
  .news-content{padding:20px 22px;display:flex;flex-direction:column;gap:4px}
  .news-meta{display:flex;align-items:center;gap:8px;margin-bottom:4px;flex-wrap:wrap}
  .news-cat{
    display:inline-block;
    font-size:12px;
    font-weight:600;
    color:var(--cyan);
    background:rgba(39,224,199,.1);
    border:1px solid rgba(39,224,199,.2);
    padding:2px 10px;
    border-radius:999px;
  }
  .news-date{font-size:12px;color:var(--text-muted)}
  .news-card h3{color:var(--text-strong);font-size:18px;margin:4px 0 6px;line-height:1.4}
  .news-card p{
    font-size:14px;color:var(--text-muted);line-height:1.7;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .empty-state{
    grid-column:1/-1;
    padding:56px 28px;
    border:1px dashed rgba(255,255,255,0.2);
    border-radius:18px;
    text-align:center;
    background:rgba(255,255,255,0.02);
    color:var(--text-muted);
  }
  .empty-icon{
    width:54px;height:54px;
    margin:0 auto 14px;
    display:flex;align-items:center;justify-content:center;
    font-size:27px;
    border-radius:50%;
    background:rgba(255,255,255,0.06);
    color:var(--text-muted);
  }
  .more-wrap{text-align:center;margin-top:40px}

  .faq-form-wrap{
    display:grid;
    grid-template-columns:1.35fr .85fr;
    gap:34px;
    align-items:start;
  }
  .faq-list{display:flex;flex-direction:column;gap:14px}
  .faq-item{
    background:rgba(255,255,255,0.04);
    border:1px solid rgba(255,255,255,0.1);
    border-radius:18px;
    padding:0 20px;
    transition:border-color .2s;
    overflow:hidden;
  }
  .faq-item.open{border-color:rgba(39,224,199,0.3)}
  .faq-q{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    padding:18px 0;
    cursor:pointer;
    color:var(--text-strong);
    font-weight:600;
    font-size:16px;
    text-align:left;
  }
  .faq-q .arrow{color:var(--text-muted);transition:.2s;font-size:18px}
  .faq-item.open .faq-q .arrow{transform:rotate(45deg);color:var(--cyan)}
  .faq-a{
    display:none;
    color:var(--text-muted);
    font-size:14px;
    line-height:1.85;
    padding-bottom:20px;
  }
  .faq-item.open .faq-a{display:block}

  .form-panel{
    background:linear-gradient(150deg,rgba(20,34,54,0.78),rgba(14,25,41,0.9));
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border:1px solid rgba(255,255,255,0.16);
    border-radius:22px;
    padding:28px 26px;
    box-shadow:0 22px 70px rgba(0,0,0,.3);
  }
  .form-panel h3{color:var(--text-strong);font-size:20px;font-weight:700;margin-bottom:8px}
  .form-panel>p{font-size:13px;color:var(--text-muted);margin-bottom:20px}
  .form-group{margin-bottom:15px}
  .form-group label{
    display:block;
    font-size:13px;
    font-weight:600;
    color:var(--text-body);
    margin-bottom:6px;
  }
  .form-group input,.form-group select,.form-group textarea{
    width:100%;
    background:rgba(0,0,0,0.25);
    border:1px solid rgba(255,255,255,0.16);
    border-radius:12px;
    color:var(--text-strong);
    padding:12px 14px;
    transition:border-color .2s,box-shadow .2s;
  }
  .form-group input::placeholder,.form-group textarea::placeholder{color:rgba(130,150,174,0.6)}
  .form-group input:focus,.form-group select:focus,.form-group textarea:focus{
    border-color:rgba(39,224,199,.7);
    box-shadow:0 0 0 4px rgba(39,224,199,.08);
  }
  .form-group textarea{resize:vertical;min-height:74px}
  .form-group select{cursor:pointer}
  .form-group select option{background:var(--panel)}
  .form-agree{font-size:12px;color:var(--text-muted);margin-top:12px;line-height:1.6}
  .full-btn{width:100%;margin-top:8px}

  footer{
    background:#04080F;
    border-top:1px solid rgba(255,255,255,0.07);
    padding:54px 0 24px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr .8fr .9fr .9fr;
    gap:32px;
    padding-bottom:36px;
    border-bottom:1px solid rgba(255,255,255,0.08);
  }
  .footer-brand p{color:var(--text-muted);font-size:14px;margin-top:14px;max-width:340px}
  .footer-title{color:var(--text-strong);font-size:16px;font-weight:700;margin-bottom:12px}
  .footer-links{display:flex;flex-direction:column;gap:10px}
  .footer-links a{color:var(--text-muted);font-size:14px;transition:.2s}
  .footer-links a:hover{color:var(--cyan);padding-left:4px}
  .footer-contact{color:var(--text-muted);font-size:14px;display:flex;flex-direction:column;gap:10px}
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    align-items:center;
    gap:10px;
    padding-top:22px;
    color:var(--text-muted);
    font-size:13px;
  }
  .footer-bottom a{color:var(--text-muted)}
  .footer-bottom a:hover{color:var(--cyan)}

  @media(max-width:1024px){
    .info-grid{grid-template-columns:repeat(2,1fr)}
    .guest-grid{grid-template-columns:1fr}
    .guest-card:nth-child(2){margin-top:0}
    .feature-cards{grid-template-columns:1fr 1fr}
    .feature-card:first-child{grid-column:1/-1}
    .news-card{grid-template-columns:1fr}
    .news-thumb{aspect-ratio:16/6}
    .faq-form-wrap{grid-template-columns:1fr}
    .form-panel{max-width:640px}
    .footer-grid{grid-template-columns:1fr 1fr}
    .hero-inner{grid-template-columns:1fr;padding-bottom:48px}
    .hero-event-card{max-width:560px;margin-top:10px}
  }
  @media(max-width:768px){
    .section{padding:60px 0}
    .header-top{height:62px}
    .header-actions .btn-sm{display:none}
    .search-form.open .search-input{width:128px}
    .brand-name{font-size:18px}
    .brand-logo{width:36px;height:36px;font-size:16px}
    .hero{min-height:auto}
    .hero-inner{padding:48px 0 40px;gap:38px}
    .hero h1{font-size:31px}
    .hero-lead{font-size:16px}
    .ticket-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto;gap:42px}
    .ticket-card.hot{transform:none;padding:38px 26px}
    .ticket-card.hot:hover{transform:translateY(-5px)}
    .news-list{grid-template-columns:1fr}
    .timeline{grid-template-columns:1fr;padding-left:0}
    .timeline-item{grid-template-columns:90px 1fr;padding:16px}
    .feature-cards{grid-template-columns:1fr}
    .feature-card:first-child{grid-column:auto}
    .info-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;align-items:flex-start}
  }
  @media(max-width:520px){
    .container{width:min(100% - 32px,1224px)}
    .search-input{display:none}
    .hero-event-card{padding:18px}
    .event-meta-row{flex-wrap:wrap}
    .hero-actions .btn{flex:1;justify-content:center}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  }

/* roulang page: category1 */
:root {
  --bg-deep: #070D17;
  --bg-1: #0C1522;
  --bg-2: #101D2E;
  --primary: #2F6BFF;
  --primary-light: #4C8DFF;
  --accent: #27E0C7;
  --warning: #F6B93B;
  --text-strong: #F1F5FB;
  --text: #B8C4D9;
  --muted: #8296AE;
  --border: rgba(255, 255, 255, 0.12);
  --glass: rgba(255, 255, 255, 0.05);
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --shadow-glow: 0 0 0 1px rgba(47, 107, 255, 0.24), 0 16px 42px rgba(16, 42, 75, 0.45);
  --shadow-card: 0 20px 50px rgba(2, 8, 16, 0.45);
  --transition: 180ms ease;
  --container: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Noto Sans CJK SC", sans-serif;
  background:
    radial-gradient(900px 600px at 92% 8%, rgba(47, 107, 255, 0.18), transparent 58%),
    radial-gradient(760px 480px at 6% 62%, rgba(39, 224, 199, 0.07), transparent 52%),
    var(--bg-deep);
  color: var(--text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  color: var(--text-strong);
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
}

p {
  margin: 0 0 1rem;
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

button,
input {
  font-family: inherit;
  font-size: 14px;
  color: inherit;
}

button {
  cursor: pointer;
}

[id] {
  scroll-margin-top: 132px;
}

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

.section {
  padding: 88px 0;
}

.section:last-of-type {
  padding-bottom: 96px;
}

.glass-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card);
}

.nowrap {
  white-space: nowrap;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
  outline: none;
  background: transparent;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, #2F6BFF 0%, #3CB6E6 80%, #27E0C7 130%);
  color: #fff;
  box-shadow: 0 10px 30px rgba(47, 107, 255, 0.28), 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
}

.btn-primary:hover {
  box-shadow: 0 14px 38px rgba(47, 107, 255, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.16) inset;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 6px 20px rgba(47, 107, 255, 0.24);
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.24);
  color: var(--text-strong);
  background: rgba(15, 25, 42, 0.72);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(39, 224, 199, 0.14);
}

.btn-outline:active {
  transform: translateY(1px);
}

.btn-sm {
  min-height: 38px;
  padding: 0 16px;
  font-size: 14px;
  border-radius: 12px;
}

/* ---------- 全局头尾导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(7, 13, 23, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 66px;
  padding: 10px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--text-strong);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.2px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 13px;
  background: linear-gradient(135deg, #2F6BFF 8%, #27E0C7 130%);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  box-shadow: 0 0 20px rgba(47, 107, 255, 0.3);
}

.brand-name {
  white-space: nowrap;
  font-weight: 800;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-form {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  padding: 4px 4px 4px 14px;
  transition: border-color var(--transition), width var(--transition);
}

.search-form:focus-within {
  border-color: rgba(39, 224, 199, 0.6);
}

.search-input {
  background: transparent;
  border: 0;
  outline: 0;
  width: 150px;
  padding: 5px 0;
  font-size: 13px;
  color: var(--text-strong);
}

.search-input::placeholder {
  color: var(--muted);
}

.search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-strong);
  border: 0;
  border-radius: 50%;
  transition: background var(--transition), transform var(--transition);
}

.search-btn:hover {
  background: rgba(47, 107, 255, 0.4);
  transform: scale(1.04);
}

.header-cta {
  background: linear-gradient(135deg, #2F6BFF 0%, #27E0C7 150%);
  box-shadow: 0 8px 24px rgba(47, 107, 255, 0.28);
  flex-shrink: 0;
}

.header-cta:hover {
  box-shadow: 0 12px 32px rgba(47, 107, 255, 0.4);
}

.second-nav {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(9, 16, 27, 0.82);
}

.channel-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 8px 0;
}

.channel-nav::-webkit-scrollbar {
  display: none;
}

.channel-link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 15px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--text);
  background: transparent;
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  outline: none;
}

.channel-link:hover {
  color: var(--text-strong);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}

.channel-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.channel-link.active {
  color: #061020;
  background: linear-gradient(135deg, #4C8DFF 0%, #27E0C7 135%);
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 6px 16px rgba(47, 107, 255, 0.28);
}

/* ---------- 分类页头 ---------- */
.page-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 320px;
  padding: 70px 0 64px;
  background:
    linear-gradient(180deg, rgba(7, 13, 23, 0.7) 0%, rgba(7, 13, 23, 0.84) 88%),
    url("/assets/images/backpic/back-1.png") center / cover no-repeat;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(700px 320px at 76% 18%, rgba(47, 107, 255, 0.2), transparent 66%);
  pointer-events: none;
}

.page-hero-inner {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
}

.breadcrumb a {
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.hero-kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--accent);
  border: 1px solid rgba(39, 224, 199, 0.35);
  background: rgba(39, 224, 199, 0.08);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 16px;
}

.page-hero h1 {
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 900;
  letter-spacing: -0.5px;
  max-width: 900px;
  margin-bottom: 18px;
}

.page-hero .hero-lead {
  font-size: 17px;
  color: var(--text);
  max-width: 620px;
  margin: 0;
}

/* ---------- 标题模块 ---------- */
.section-heading {
  margin-bottom: 42px;
  max-width: 760px;
}

.section-heading.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-heading.left {
  text-align: left;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.4px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-heading h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.35;
}

.section-heading p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
  max-width: 640px;
}

.section-heading.center p {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- 平台概览 ---------- */
.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 56px;
  align-items: center;
}

.split-media {
  position: relative;
}

.split-media::before {
  content: "";
  position: absolute;
  inset: -18px auto auto -18px;
  width: 60%;
  height: 60%;
  border: 1px solid rgba(47, 107, 255, 0.28);
  border-radius: var(--radius-xl);
  z-index: -1;
}

.split-media img {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 24px 60px rgba(2, 8, 16, 0.42);
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.split-media .media-caption {
  display: inline-block;
  margin-top: 18px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(39, 224, 199, 0.12);
  border: 1px solid rgba(39, 224, 199, 0.22);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}

.split-content p {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 16px;
}

.tick-list {
  margin-top: 14px;
  display: grid;
  gap: 12px;
}

.tick-list li {
  position: relative;
  padding-left: 28px;
  font-size: 14px;
  color: var(--text-strong);
}

.tick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(39, 224, 199, 0.16);
  border: 1px solid var(--accent);
  box-shadow: 0 0 12px rgba(39, 224, 199, 0.28);
}

.facts-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 36px;
}

.fact-box {
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 18px 14px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}

.fact-box:hover {
  border-color: rgba(39, 224, 199, 0.4);
  transform: translateY(-3px);
}

.fact-box strong {
  display: block;
  color: var(--text-strong);
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 4px;
}

.fact-box small {
  color: var(--muted);
  font-size: 12px;
}

/* ---------- 特色模块卡片 ---------- */
.feature-section {
  background: linear-gradient(180deg, rgba(12, 21, 34, 0.72) 0%, rgba(12, 21, 34, 0.24) 100%);
  padding-top: 90px;
  padding-bottom: 96px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 22px;
  align-items: start;
}

.feature-card {
  overflow: hidden;
  grid-column: span 5;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.feature-card:nth-child(2) {
  grid-column: span 5;
  margin-top: 54px;
}

.feature-card:nth-child(3) {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 24px 60px rgba(2, 8, 16, 0.55), 0 0 0 1px rgba(47, 107, 255, 0.1);
}

.feature-card:nth-child(3):hover {
  transform: translateY(-4px);
}

.feature-media {
  overflow: hidden;
}

.feature-card:not(:nth-child(3)) .feature-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.feature-card:nth-child(3) .feature-media img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
}

.feature-body {
  padding: 26px 26px 30px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.feature-body .tag {
  align-self: flex-start;
}

.tag {
  display: inline-flex;
  align-items: center;
  background: rgba(47, 107, 255, 0.14);
  border: 1px solid rgba(76, 141, 255, 0.22);
  color: var(--primary-light);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 11px;
  border-radius: 999px;
}

.feature-body h3 {
  font-size: 21px;
  margin: 18px 0 12px;
}

.feature-card:nth-child(3) .feature-body h3 {
  font-size: 25px;
}

.feature-body p {
  color: var(--text);
  font-size: 14px;
  line-height: 1.85;
  margin-bottom: 10px;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}

.feature-link:hover {
  text-decoration: underline;
}

/* ---------- 大图横幅 ---------- */
.statement-band {
  position: relative;
  background:
    linear-gradient(90deg, rgba(7, 13, 23, 0.92) 0%, rgba(7, 13, 23, 0.68) 60%, rgba(7, 13, 23, 0.2) 100%),
    url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
  padding: 100px 0;
}

.statement-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: 48px;
}

.statement-copy h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  margin: 12px 0 16px;
  max-width: 480px;
}

.statement-copy p {
  color: var(--text);
  font-size: 15px;
  max-width: 480px;
  margin-bottom: 26px;
}

.statement-media {
  position: relative;
}

.statement-media img {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 22px 58px rgba(0, 0, 0, 0.55);
  aspect-ratio: 16 / 10;
  width: 100%;
  object-fit: cover;
}

.statement-quote {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 30px;
  background: rgba(255, 255, 255, 0.05);
  border-left: 2px solid var(--accent);
  padding: 14px 18px;
  border-radius: 0 14px 14px 0;
}

.statement-quote span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  flex-shrink: 0;
}

.statement-quote p {
  margin: 0;
  font-size: 14px;
  color: var(--text-strong);
}

/* ---------- 流程步骤 ---------- */
.workflow-section {
  background:
    radial-gradient(600px 320px at 86% 20%, rgba(47, 107, 255, 0.08), transparent 70%),
    var(--bg-deep);
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  counter-reset: step;
}

.wf-step {
  position: relative;
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 28px 22px 30px;
  transition: background var(--transition), transform var(--transition), border-color var(--transition);
}

.wf-step:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(39, 224, 199, 0.25);
}

.wf-step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.wf-step .step-line {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.16), transparent);
  height: 1px;
  margin: 16px 0 18px;
}

.wf-step h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.wf-step p {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}

/* ---------- FAQ ---------- */
.faq-section {
  background: linear-gradient(180deg, rgba(12, 21, 34, 0.4), transparent);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 30px;
  align-items: start;
}

.faq-panel {
  display: grid;
  gap: 14px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition), background var(--transition);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.055);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 20px;
  color: var(--text-strong);
  font-weight: 600;
  font-size: 15px;
  outline: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -4px;
  border-radius: var(--radius-md);
}

.faq-item summary::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-top: -4px;
}

.faq-item[open] summary::after {
  transform: rotate(225deg);
  margin-top: 4px;
}

.faq-answer {
  padding: 0 20px 20px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.9;
}

.faq-aside {
  position: sticky;
  top: 140px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 34px 30px;
}

.faq-aside h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.faq-aside p {
  color: var(--muted);
  font-size: 14px;
}

.faq-quick-list {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}

.faq-quick-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
  color: var(--text);
}

.faq-quick-list::before {
  content: "";
}

.faq-quick-list li i {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  position: relative;
  top: -4px;
}

/* ---------- CTA ---------- */
.cta-section {
  background:
    radial-gradient(800px 360px at 60% 90%, rgba(47, 107, 255, 0.18), transparent 70%),
    linear-gradient(180deg, rgba(12, 21, 34, 0.2), rgba(8, 15, 26, 0.4));
}

.cta-panel {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(16, 29, 46, 0.92), rgba(8, 15, 26, 0.96));
  border: 1px solid rgba(76, 141, 255, 0.22);
  border-radius: 30px;
  padding: 58px 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-panel::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(47, 107, 255, 0.2);
  filter: blur(64px);
}

.cta-panel h2 {
  font-size: clamp(25px, 3vw, 34px);
  margin: 8px 0 10px;
}

.cta-panel p {
  max-width: 540px;
  color: var(--text);
  font-size: 14px;
  margin-bottom: 0;
}

.cta-panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  flex-shrink: 0;
}

/* ---------- 页脚 ---------- */
footer {
  background: #050A12;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  margin-bottom: 42px;
}

.footer-brand p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
  max-width: 280px;
}

.footer-title {
  color: var(--text-strong);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
}

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

.footer-links a {
  color: var(--muted);
  font-size: 13px;
  transition: color var(--transition), transform var(--transition);
  display: inline-flex;
  width: fit-content;
}

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

.footer-contact {
  display: grid;
  gap: 9px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding-top: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 1024px) {
  .split-grid {
    gap: 36px;
  }

  .facts-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-card,
  .feature-card:nth-child(2) {
    grid-column: span 6;
  }

  .feature-card:nth-child(2) {
    margin-top: 0;
  }

  .feature-card:nth-child(3) {
    grid-column: 1 / -1;
  }

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

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

  .faq-layout {
    grid-template-columns: 1fr;
  }

  .faq-aside {
    position: static;
  }

  .cta-panel {
    padding: 44px 32px;
    flex-direction: column;
    align-items: flex-start;
  }

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

@media (max-width: 768px) {
  .section {
    padding: 62px 0;
  }

  .section-heading {
    margin-bottom: 30px;
  }

  .brand {
    font-size: 17px;
  }

  .brand-logo {
    width: 34px;
    height: 34px;
    border-radius: 11px;
    font-size: 13px;
  }

  .header-actions {
    gap: 8px;
  }

  .search-form {
    border: 0;
    background: transparent;
    padding: 0;
  }

  .search-input {
    width: 0;
    padding: 0;
    opacity: 0;
    transition: width var(--transition), padding var(--transition), opacity var(--transition);
  }

  .search-form.open .search-input {
    width: 140px;
    padding: 5px 4px;
    opacity: 1;
  }

  .search-btn {
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
  }

  .header-cta {
    min-height: 36px;
    font-size: 13px;
    padding: 0 13px;
  }

  .page-hero {
    min-height: 300px;
    padding: 52px 0 44px;
  }

  .page-hero h1 {
    font-size: 34px;
  }

  .page-hero .hero-lead {
    font-size: 15px;
  }

  .split-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .split-media::before {
    display: none;
  }

  .feature-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .feature-card,
  .feature-card:nth-child(2),
  .feature-card:nth-child(3) {
    grid-column: 1;
    display: flex;
    flex-direction: column;
    margin-top: 0;
  }

  .feature-card:nth-child(3) .feature-media img {
    min-height: 0;
  }

  .feature-media img,
  .feature-card .feature-media img {
    aspect-ratio: 16 / 10;
  }

  .feature-body {
    padding: 22px 20px 24px;
  }

  .statement-band {
    padding: 64px 0;
  }

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

  .cta-panel {
    border-radius: 22px;
    padding: 34px 22px;
  }

  .cta-panel-actions {
    width: 100%;
  }

  .cta-panel-actions .btn {
    flex: 1 1 auto;
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* roulang page: article */
:root {
  --bg: #070D17;
  --bg-soft: #0C1522;
  --bg-raised: #101D2E;
  --surface: rgba(255, 255, 255, .055);
  --surface-strong: rgba(255, 255, 255, .095);
  --border: rgba(255, 255, 255, .12);
  --border-light: rgba(255, 255, 255, .07);
  --primary: #2F6BFF;
  --primary-light: #4C8DFF;
  --accent: #27E0C7;
  --warning: #F6B93B;
  --text-strong: #F1F5FB;
  --text: #B8C4D9;
  --text-muted: #8296AE;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-cta: 0 12px 34px rgba(47, 107, 255, .28);
  --shadow-card: 0 20px 46px rgba(2, 8, 20, .35);
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Noto Sans CJK SC", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(900px 520px at 88% -10%, rgba(47, 107, 255, .17), transparent 60%),
              radial-gradient(760px 460px at 4% 78%, rgba(39, 224, 199, .1), transparent 55%),
              var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .032) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .65), transparent 80%);
}

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

a {
  color: inherit;
  text-decoration: none;
}

button, input {
  font: inherit;
}

::selection {
  background: rgba(39, 224, 199, .25);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

main {
  position: relative;
  z-index: 1;
}

.container {
  width: min(1240px, calc(100% - 40px));
  margin-inline: auto;
}

.container-read {
  width: min(840px, calc(100% - 40px));
  margin-inline: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  background: transparent;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}

.btn-sm {
  padding: 9px 16px;
  font-size: 14px;
  border-radius: 11px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #1E9FE8 55%, var(--accent));
  color: #fff;
  box-shadow: var(--shadow-cta);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 44px rgba(47, 107, 255, .42);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 8px 22px rgba(47, 107, 255, .25);
}

.btn-ghost {
  background: rgba(255, 255, 255, .04);
  border-color: rgba(255, 255, 255, .17);
  color: var(--text-strong);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, .09);
  border-color: rgba(255, 255, 255, .3);
  transform: translateY(-1px);
}

.btn-ghost:active {
  transform: translateY(1px);
}

/* ------------------------------------------------------------
   Header / Nav
------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(7, 13, 23, .94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.header-top {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 7px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}

.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .04em;
  box-shadow: 0 6px 20px rgba(47, 107, 255, .32);
}

.brand-name {
  color: var(--text-strong);
  font-size: 20px;
  font-weight: 800;
  white-space: nowrap;
  letter-spacing: .01em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-form {
  position: relative;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.search-input {
  position: absolute;
  top: 0;
  right: 42px;
  width: 0;
  height: 40px;
  padding: 0;
  opacity: 0;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 13px;
  background: rgba(255, 255, 255, .08);
  color: var(--text-strong);
  transition: width .22s ease, padding .22s ease, opacity .18s ease, border-color .2s ease;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
}

.search-form.open .search-input {
  width: 228px;
  padding: 0 14px;
  opacity: 1;
}

.search-btn {
  width: 40px;
  height: 40px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  color: var(--text);
  cursor: pointer;
  transition: border-color .2s, color .2s, background .2s;
}

.search-btn:hover {
  border-color: rgba(39, 224, 199, .5);
  color: var(--accent);
  background: rgba(39, 224, 199, .08);
}

.second-nav {
  border-top: 1px solid rgba(255, 255, 255, .05);
  background: rgba(7, 13, 23, .62);
}

.channel-nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 8px 0;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.channel-nav::-webkit-scrollbar {
  display: none;
}

.channel-link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: color .2s, background .2s, border-color .2s;
}

.channel-link:hover {
  color: var(--text-strong);
  background: rgba(255, 255, 255, .05);
  border-color: rgba(255, 255, 255, .14);
}

.channel-link.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(47, 107, 255, .32), rgba(39, 224, 199, .18));
  border-color: rgba(39, 224, 199, .4);
}

/* ------------------------------------------------------------
   Article header
------------------------------------------------------------ */
.article-head {
  padding: clamp(38px, 6vw, 78px) 0 18px;
}

.article-inner {
  max-width: 920px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.breadcrumb a {
  color: var(--text-muted);
  transition: color .2s;
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb-sep {
  color: rgba(255, 255, 255, .24);
}

.breadcrumb-title {
  color: var(--text);
  max-width: 17em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(47, 107, 255, .16);
  border: 1px solid rgba(47, 107, 255, .3);
  color: #BFD3FF;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.article-badge svg {
  width: 14px;
  height: 14px;
}

.article-title {
  font-size: clamp(30px, 4.8vw, 54px);
  line-height: 1.25;
  color: var(--text-strong);
  font-weight: 800;
  letter-spacing: -.01em;
  margin: 0;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 24px;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(255, 255, 255, .09);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-muted);
  font-size: 14px;
}

.meta-item svg {
  width: 15px;
  height: 15px;
  opacity: .8;
}

.meta-divider {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, .14);
}

/* ------------------------------------------------------------
   Article body / reading
------------------------------------------------------------ */
.article-reading {
  padding: 42px 0 36px;
}

.article-shell {
  background: linear-gradient(180deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .032));
  border: 1px solid var(--border-light);
  border-radius: 22px;
  padding: clamp(24px, 5vw, 56px);
  box-shadow: var(--shadow-card);
}

.article-content {
  font-size: 17px;
  line-height: 1.9;
}

.article-content > *:first-child {
  margin-top: 0;
}

.article-content p {
  color: var(--text);
  margin: 0 0 1.55em;
}

.article-content h2 {
  color: var(--text-strong);
  font-size: clamp(23px, 3vw, 30px);
  line-height: 1.35;
  margin: 2em 0 .8em;
  padding-left: 13px;
  border-left: 4px solid var(--accent);
}

.article-content h3 {
  color: var(--text-strong);
  font-size: 21px;
  margin: 1.9em 0 .7em;
}

.article-content h4 {
  color: var(--text-strong);
  font-size: 18px;
  margin: 1.6em 0 .5em;
}

.article-content ul,
.article-content ol {
  margin: 0 0 1.7em;
  padding-left: 1.4em;
}

.article-content li {
  margin-bottom: .55em;
  color: var(--text);
}

.article-content li::marker {
  color: var(--accent);
}

.article-content blockquote {
  margin: 1.8em 0;
  padding: 18px 22px;
  background: rgba(47, 107, 255, .09);
  border-left: 3px solid var(--accent);
  border-radius: 0 14px 14px 0;
  color: #CDD9EC;
}

.article-content blockquote p {
  margin: 0;
}

.article-content a {
  color: var(--accent);
  border-bottom: 1px solid rgba(39, 224, 199, .4);
}

.article-content a:hover {
  color: #6DF0DC;
}

.article-content img {
  width: 100%;
  height: auto;
  max-height: 540px;
  object-fit: cover;
  border-radius: 18px;
  margin: 2.2em 0;
  box-shadow: 0 14px 30px rgba(0, 0, 0, .28);
}

.article-content figure {
  margin: 2.2em 0;
}

.article-content figure img {
  margin: 0;
}

.article-content figcaption {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  padding-top: 10px;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2em 0;
  font-size: 15px;
}

.article-content th,
.article-content td {
  border: 1px solid rgba(255, 255, 255, .12);
  padding: 12px 14px;
  text-align: left;
}

.article-content th {
  background: rgba(47, 107, 255, .14);
  color: var(--text-strong);
}

.article-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: .88em;
  background: rgba(255, 255, 255, .08);
  color: #9AECD9;
  padding: 3px 7px;
  border-radius: 7px;
}

.article-content pre {
  background: #0A0F19;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 16px;
  padding: 18px 20px;
  overflow-x: auto;
  margin: 2em 0;
}

.article-content pre code {
  background: transparent;
  padding: 0;
  color: #C6D3E8;
}

.article-endnote {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .09);
  color: var(--text-muted);
  font-size: 13px;
}

.article-endnote span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ------------------------------------------------------------
   Topic destination cards
------------------------------------------------------------ */
.explore-section {
  padding: 74px 0 80px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  color: var(--text-strong);
  font-size: clamp(27px, 3.6vw, 39px);
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 12px;
}

.section-sub {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 660px;
  margin: 0;
}

.section-head {
  margin-bottom: 34px;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.topic-card {
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, .11);
  border-radius: 18px;
  background: rgba(255, 255, 255, .038);
  overflow: hidden;
  transition: transform .22s ease, border-color .22s ease, background .22s ease;
}

.topic-card:hover {
  transform: translateY(-4px);
  border-color: rgba(39, 224, 199, .42);
  background: rgba(255, 255, 255, .065);
}

.topic-card:active {
  transform: translateY(0);
}

.topic-card-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-raised);
}

.topic-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

.topic-card:hover .topic-card-media img {
  transform: scale(1.04);
}

.topic-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 21px 21px 20px;
}

.topic-card-title {
  color: var(--text-strong);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.topic-card-text {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.75;
  margin: 0 0 18px;
}

.topic-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}

.topic-card-link svg {
  width: 15px;
  height: 15px;
  transition: transform .2s ease;
}

.topic-card:hover .topic-card-link svg {
  transform: translateX(4px);
}

/* ------------------------------------------------------------
   Bottom CTA band
------------------------------------------------------------ */
.cta-section {
  padding-bottom: 84px;
}

.cta-band {
  position: relative;
  text-align: center;
  padding: clamp(48px, 7vw, 78px) 24px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, .14);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(7, 13, 23, .94), rgba(14, 24, 40, .78)),
    url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  box-shadow: var(--shadow-card);
}

.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, rgba(47, 107, 255, .22), transparent 40%),
              linear-gradient(45deg, transparent 60%, rgba(39, 224, 199, .16));
}

.cta-kicker {
  display: inline-flex;
  padding: 5px 13px;
  border-radius: 999px;
  background: rgba(39, 224, 199, .16);
  border: 1px solid rgba(39, 224, 199, .32);
  color: #7CF0DD;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  margin-bottom: 18px;
}

.cta-band > * {
  position: relative;
  z-index: 1;
}

.cta-band h2 {
  color: var(--text-strong);
  font-size: clamp(27px, 4vw, 43px);
  line-height: 1.28;
  margin: 0 0 14px;
  font-weight: 800;
}

.cta-band p {
  color: #C6D2E5;
  font-size: 16px;
  max-width: 620px;
  margin: 0 auto 28px;
}

/* ------------------------------------------------------------
   Footer
------------------------------------------------------------ */
footer {
  position: relative;
  z-index: 1;
  background: #060B12;
  border-top: 1px solid rgba(255, 255, 255, .07);
  padding: 60px 0 24px;
  color: var(--text-muted);
}

footer .brand {
  color: var(--text-strong);
}

footer .brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  font-size: 13px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 36px 40px;
  padding-bottom: 38px;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.footer-brand p,
.footer-contact {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
  margin: 14px 0 0;
  max-width: 300px;
}

.footer-title {
  color: var(--text-strong);
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 15px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a,
.footer-contact span {
  color: var(--text-muted);
  font-size: 14px;
  transition: color .2s ease;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 0;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding-top: 22px;
  color: rgba(255, 255, 255, .38);
  font-size: 13px;
}

/* ------------------------------------------------------------
   Missing / not found state
------------------------------------------------------------ */
.missing-area {
  padding: clamp(60px, 8vw, 100px) 0;
}

.notfound-panel {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 24px;
  padding: clamp(44px, 8vw, 80px) 24px;
}

.nf-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: inline-grid;
  place-items: center;
  background: rgba(47, 107, 255, .2);
  border: 1px solid rgba(47, 107, 255, .3);
  margin-bottom: 20px;
}

.nf-icon svg {
  width: 28px;
  height: 28px;
  color: #A9C8FF;
}

.notfound-panel h1 {
  color: var(--text-strong);
  font-size: clamp(28px, 4vw, 40px);
  margin: 0 0 12px;
}

.notfound-panel p {
  color: var(--text-muted);
  margin: 0 0 26px;
}

.notfound-panel .btn + .btn {
  margin-left: 10px;
}

/* ------------------------------------------------------------
   Responsive
------------------------------------------------------------ */
@media (max-width: 1024px) {
  .topic-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

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

@media (max-width: 768px) {
  .brand-name {
    font-size: 17px;
  }

  .brand-logo {
    width: 35px;
    height: 35px;
    font-size: 13px;
  }

  .header-cta {
    display: none;
  }

  .header-actions {
    gap: 4px;
  }

  .search-form.open .search-input {
    width: 180px;
  }

  .article-shell {
    padding: 26px 22px;
  }

  .article-endnote {
    justify-content: center;
    text-align: center;
  }

  .topic-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .topic-card {
    flex-direction: row;
    align-items: stretch;
  }

  .topic-card-media {
    width: 40%;
    aspect-ratio: auto;
    flex-shrink: 0;
  }

  .topic-card-body {
    padding: 18px;
  }

  .cta-section {
    padding-bottom: 64px;
  }
}

@media (max-width: 560px) {
  .container,
  .container-read {
    width: min(100% - 28px, 1240px);
  }

  .brand-name {
    font-size: 15px;
    max-width: 130px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .article-title {
    font-size: 30px;
  }

  .topic-card {
    flex-direction: column;
  }

  .topic-card-media {
    width: 100%;
    aspect-ratio: 16 / 10;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .notfound-panel .btn {
    margin-bottom: 10px;
  }

  .notfound-panel .btn + .btn {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .001s !important;
    transition-duration: .001s !important;
  }
}

/* roulang page: category2 */
:root {
  --bg: #070d17;
  --bg-alt: #0c1522;
  --bg-deep: #101d2e;
  --primary: #2f6bff;
  --primary-light: #4c8dff;
  --accent: #27e0c7;
  --warning: #f6b93b;
  --text-strong: #f1f5fb;
  --text-body: #b8c4d9;
  --text-muted: #8296ae;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-bg-solid: #101c2b;
  --border: rgba(255, 255, 255, 0.12);
  --border-light: rgba(255, 255, 255, 0.2);
  --radius-lg: 22px;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-soft: 0 18px 50px rgba(0, 0, 0, 0.28);
  --shadow-glow: 0 10px 40px rgba(39, 224, 199, 0.25);
  --space-section: 96px;
  --max-width: 1240px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Noto Sans CJK SC", sans-serif;
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 15% 10%, rgba(47, 107, 255, 0.08), transparent 28%),
    radial-gradient(circle at 90% 0%, rgba(39, 224, 199, 0.05), transparent 22%);
  color: var(--text-body);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

summary {
  display: block;
}

input,
button {
  font: inherit;
  border: none;
  outline: none;
  background: transparent;
  color: inherit;
}

.container {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 8px 28px rgba(47, 107, 255, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 34px rgba(39, 224, 199, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 4px 20px rgba(47, 107, 255, 0.2);
}

.btn-outline {
  border: 1px solid var(--border-light);
  color: var(--text-strong);
  background: rgba(255, 255, 255, 0.03);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
  background: rgba(39, 224, 199, 0.06);
}

.btn-outline:active {
  transform: translateY(1px);
}

.btn-lg {
  padding: 15px 36px;
  font-size: 16px;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
  border-radius: 999px;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background: rgba(7, 13, 23, 0.92);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: box-shadow .2s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 0;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-logo {
  width: 38px;
  height: 38px;
  flex: none;
  border-radius: 12px;
  background: linear-gradient(135deg, #2f6bff, #27e0c7);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  letter-spacing: 0;
  font-size: 14px;
  box-shadow: 0 6px 18px rgba(47, 107, 255, 0.35);
}

.brand-name {
  color: var(--text-strong);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.4px;
  white-space: nowrap;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.search-form {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  width: 210px;
  transition: width .25s ease;
}

.search-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-strong);
  font-size: 13px;
  padding: 8px 16px;
  transition: border-color .2s ease, background-color .2s ease;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-input:focus {
  border-color: var(--primary-light);
  background: rgba(255, 255, 255, 0.08);
}

.search-btn {
  display: none;
  color: var(--text-body);
  margin-left: -5px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.search-btn:hover {
  color: var(--text-strong);
  background: rgba(255, 255, 255, 0.06);
}

.header-cta {
  flex: none;
}

.second-nav {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(10, 17, 28, 0.6);
}

.channel-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.channel-nav::-webkit-scrollbar {
  height: 0;
  display: none;
}

.channel-link {
  flex: none;
  color: var(--text-body);
  font-size: 14px;
  font-weight: 500;
  padding: 7px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}

.channel-link:hover {
  color: var(--text-strong);
  background: rgba(255, 255, 255, 0.07);
}

.channel-link.active {
  color: #fff;
  background: rgba(47, 107, 255, 0.18);
  border-color: rgba(76, 141, 255, 0.38);
}

main {
  display: block;
}

.page-hero {
  position: relative;
  min-height: 320px;
  padding: 64px 0 52px;
  display: flex;
  align-items: center;
  background-image:
    linear-gradient(to bottom, rgba(7, 13, 23, 0.82), rgba(7, 13, 23, 0.55) 58%, rgba(7, 13, 23, 0.94)),
    url("/assets/images/backpic/back-2.webp");
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 78% 20%, rgba(39, 224, 199, 0.12), transparent 28%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--text-muted);
  font-size: 13px;
}

.hero-breadcrumb a:hover {
  color: var(--accent);
}

.hero-breadcrumb span {
  color: rgba(255, 255, 255, 0.45);
}

.hero-kicker {
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}

.page-hero h1 {
  color: var(--text-strong);
  font-size: clamp(30px, 4.4vw, 54px);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: 0.5px;
}

.hero-desc {
  margin-top: 16px;
  font-size: 17px;
  line-height: 1.8;
  color: #c9d4e6;
  max-width: 620px;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.section-alt {
  background: linear-gradient(180deg, rgba(12, 21, 34, 0.35), rgba(12, 21, 34, 0.75));
}

.section-head {
  max-width: 760px;
  margin-bottom: 46px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-kicker {
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  color: var(--text-strong);
  font-size: clamp(24px, 2.8vw, 36px);
  font-weight: 800;
  line-height: 1.3;
}

.section-sub {
  margin-top: 14px;
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.8;
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.mode-card {
  position: relative;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
  overflow: hidden;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.mode-card:hover {
  transform: translateY(-4px);
  border-color: rgba(39, 224, 199, 0.45);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.3);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(47, 107, 255, 0.85), rgba(39, 224, 199, 0.7));
  box-shadow: 0 8px 22px rgba(47, 107, 255, 0.25);
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.mode-card h3 {
  color: var(--text-strong);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.mode-card p {
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 18px;
  color: var(--text-body);
}

.mode-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: #c8d5e8;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tag-accent {
  background: rgba(39, 224, 199, 0.1);
  border-color: rgba(39, 224, 199, 0.22);
  color: #bff9ef;
}

.rule-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.rule-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 20px 22px;
  transition: border-color .2s ease, transform .2s ease;
}

.rule-item:hover {
  transform: translateY(-2px);
  border-color: rgba(76, 141, 255, 0.4);
}

.rule-num {
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.6px;
  display: block;
  margin-bottom: 12px;
}

.rule-item h3 {
  color: var(--text-strong);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}

.rule-item p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.process-section {
  background: var(--bg-alt);
  position: relative;
}

.process-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.45fr;
  gap: 56px;
  align-items: start;
}

.process-intro {
  position: sticky;
  top: 150px;
}

.process-intro .section-title {
  margin-bottom: 16px;
}

.process-intro p {
  color: var(--text-body);
  font-size: 16px;
  margin-top: 12px;
}

.steps-rail {
  border-left: 1px solid rgba(255, 255, 255, 0.14);
  padding-left: 0;
}

.step-item {
  position: relative;
  padding: 6px 0 32px 28px;
}

.step-item:last-child {
  padding-bottom: 0;
}

.step-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg-alt);
  border: 2px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(47, 107, 255, 0.15);
  transition: background-color .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.step-item:hover::before {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(39, 224, 199, 0.12);
}

.step-content {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 18px 22px;
  transition: border-color .2s ease, background-color .2s ease, transform .2s ease;
}

.step-item:hover .step-content {
  border-color: rgba(39, 224, 199, 0.3);
  background: rgba(39, 224, 199, 0.04);
}

.step-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent);
  margin-bottom: 6px;
}

.step-content h3 {
  color: var(--text-strong);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
}

.step-content p {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.75;
}

.feature-layout {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: center;
}

.feature-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  aspect-ratio: 4 / 3;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(7, 13, 23, 0.1), rgba(7, 13, 23, 0.5));
  pointer-events: none;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.feature-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: border-color .2s ease, transform .2s ease, background-color .2s ease;
}

.feature-list li:hover {
  border-color: rgba(76, 141, 255, 0.35);
  background: rgba(76, 141, 255, 0.05);
  transform: translateX(2px);
}

.feature-check {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  background: rgba(39, 224, 199, 0.12);
  border: 1px solid rgba(39, 224, 199, 0.25);
}

.feature-check svg {
  width: 14px;
  height: 14px;
}

.feature-list h3 {
  color: var(--text-strong);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 3px;
}

.feature-list p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.75;
}

.schedule-wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 22px;
  align-items: stretch;
}

.schedule-feature {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-image: linear-gradient(180deg, rgba(7, 13, 23, 0.82), rgba(7, 13, 23, 0.96)), url("/assets/images/coverpic/cover-10.webp");
  background-size: cover;
  background-position: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 34px 32px;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: transform .2s ease, border-color .2s ease;
}

.schedule-feature:hover {
  transform: translateY(-3px);
  border-color: rgba(39, 224, 199, 0.4);
}

.schedule-feature .big-badge {
  position: absolute;
  top: 24px;
  right: 24px;
}

.schedule-feature h3 {
  color: var(--text-strong);
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 10px;
}

.schedule-feature p {
  color: var(--text-body);
  font-size: 14px;
  max-width: 460px;
}

.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.schedule-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  padding: 24px;
  border-radius: var(--radius);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  transition: transform .2s ease, border-color .2s ease, background-color .2s ease;
  height: 100%;
}

.schedule-card:hover {
  transform: translateY(-3px);
  border-color: rgba(76, 141, 255, 0.4);
  background: rgba(76, 141, 255, 0.06);
}

.schedule-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 13px;
}

.schedule-card h3 {
  color: var(--text-strong);
  font-size: 18px;
  font-weight: 700;
}

.schedule-card .btn {
  margin-top: 6px;
  align-self: flex-start;
  padding: 7px 18px;
  font-size: 13px;
}

.btn-state {
  color: var(--accent);
  border: 1px solid rgba(39, 224, 199, 0.3);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.btn-state-warm {
  color: var(--warning);
  border-color: rgba(246, 185, 59, 0.4);
}

.faq-layout {
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}

.faq-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .2s ease, background-color .2s ease;
}

.faq-item:hover {
  border-color: rgba(76, 141, 255, 0.3);
}

.faq-item[open] {
  border-color: rgba(39, 224, 199, 0.35);
  background: rgba(39, 224, 199, 0.03);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  cursor: pointer;
  color: var(--text-strong);
  font-size: 16px;
  font-weight: 700;
  transition: color .2s ease;
}

.faq-item summary:hover {
  color: #fff;
}

.faq-icon {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  border: 1px solid currentColor;
  font-size: 18px;
  line-height: 1;
  transition: transform .2s ease, color .2s ease;
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px 24px;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.85;
}

.cta-section {
  padding-top: 40px;
  padding-bottom: 96px;
}

.cta-box {
  position: relative;
  padding: 72px 40px;
  border-radius: var(--radius-lg);
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(47, 107, 255, 0.28), transparent 36%),
    radial-gradient(circle at 90% 10%, rgba(39, 224, 199, 0.2), transparent 30%),
    linear-gradient(135deg, #0c1a2c, #0d1726);
  border: 1px solid rgba(76, 141, 255, 0.35);
  box-shadow: var(--shadow-soft);
}

.cta-box::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
}

.cta-box h2 {
  color: var(--text-strong);
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 900;
  line-height: 1.3;
  position: relative;
  z-index: 1;
}

.cta-box p {
  color: var(--text-body);
  max-width: 560px;
  margin: 16px auto 30px;
  font-size: 16px;
  position: relative;
  z-index: 1;
}

.cta-buttons {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

footer {
  background: #050a12;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
  gap: 36px;
  padding-bottom: 40px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-muted);
  max-width: 300px;
}

.footer-title {
  color: var(--text-strong);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: var(--text-body);
  font-size: 14px;
  transition: color .2s ease, padding-left .2s ease;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: var(--text-body);
}

.footer-contact span {
  line-height: 1.7;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  color: var(--text-muted);
  font-size: 13px;
}

@media (max-width: 1024px) {
  .process-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .process-intro {
    position: static;
  }

  .feature-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .schedule-wrap {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 768px) {
  :root {
    --space-section: 64px;
  }

  .header-top {
    padding: 10px 0;
  }

  .brand-name {
    font-size: 17px;
  }

  .search-form {
    width: auto;
  }

  .search-input {
    display: none;
  }

  .search-form.open .search-input {
    display: block;
    width: 150px;
    position: absolute;
    right: 38px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
  }

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

  .header-cta {
    padding: 8px 14px;
    font-size: 13px;
  }

  .page-hero {
    min-height: 0;
    padding: 50px 0 42px;
  }

  .section {
    padding-top: 58px;
    padding-bottom: 58px;
  }

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

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

  .steps-rail {
    padding-left: 0;
  }

  .feature-media {
    aspect-ratio: 4 / 3;
  }

  .cta-box {
    padding: 48px 22px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-bottom: 28px;
  }

  .channel-link {
    padding: 7px 14px;
    font-size: 13px;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .brand-logo {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }

  .brand-name {
    font-size: 15px;
  }

  .header-actions {
    gap: 8px;
  }

  .header-cta {
    display: none;
  }

  .hero-actions .btn {
    width: auto;
  }

  .form-actions .btn {
    width: 100%;
  }

  .cta-buttons .btn {
    width: 100%;
  }

  .mode-card {
    padding: 24px 20px;
  }

  .schedule-feature {
    padding: 26px 22px;
  }

  .schedule-card {
    padding: 20px 18px;
  }

  .faq-item summary {
    font-size: 15px;
    padding: 18px 18px;
  }

  .faq-answer {
    padding: 0 18px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category3 */
:root {
  --bg: #070D17;
  --bg-alt: #0C1522;
  --bg-soft: #101D2E;
  --primary: #2F6BFF;
  --primary-2: #4C8DFF;
  --accent: #27E0C7;
  --warning: #F6B93B;
  --text-strong: #F1F5FB;
  --text: #B8C4D9;
  --text-dim: #8296AE;
  --border: rgba(255,255,255,.12);
  --border-soft: rgba(255,255,255,.08);
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 48px rgba(9,20,48,.38);
  --shadow-blue: 0 12px 42px rgba(47,107,255,.26);
  --glow: 0 0 0 1px rgba(39,224,199,.18), 0 14px 40px rgba(39,224,199,.14);
  --container: 1240px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

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

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

body {
  font-family: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei UI","Noto Sans CJK SC",sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  min-height: 100vh;
  background-image:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 44px 44px;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(700px 300px at 8% 0%, rgba(47,107,255,.20), transparent 60%),
    radial-gradient(700px 360px at 92% 12%, rgba(39,224,199,.08), transparent 60%);
  z-index: 0;
}

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

a {
  color: var(--primary-2);
  text-decoration: none;
  transition: color .2s var(--ease), box-shadow .2s var(--ease);
}

button,
input {
  font: inherit;
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 14px;
  cursor: pointer;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 14px;
}

.btn-md {
  padding: 14px 26px;
  font-size: 15px;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 8px 24px rgba(39,224,199,.22), 0 8px 24px rgba(47,107,255,.22);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(39,224,199,.32), 0 16px 36px rgba(47,107,255,.3);
}

.btn-primary:active {
  transform: scale(.97) translateY(0);
}

.btn-ghost {
  color: var(--text-strong);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.22);
}

.btn-ghost:hover {
  color: #fff;
  border-color: rgba(39,224,199,.5);
  background: rgba(255,255,255,.08);
  transform: translateY(-1px);
}

.btn-ghost:active {
  transform: scale(.97);
}

.btn:focus-visible,
a:focus-visible,
input:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7,13,23,.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  background: linear-gradient(90deg, transparent, rgba(47,107,255,.05), transparent);
  pointer-events: none;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: linear-gradient(140deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0;
  box-shadow: 0 6px 20px rgba(47,107,255,.36);
}

.brand-logo::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(255,255,255,.35), transparent);
  z-index: -1;
  opacity: .4;
}

.brand-name {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-strong);
  letter-spacing: .02em;
  white-space: nowrap;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.search-form {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  padding: 0 4px 0 15px;
  height: 40px;
  transition: border-color .2s var(--ease), background .2s var(--ease), width .2s var(--ease);
  width: 230px;
}

.search-form:focus-within {
  border-color: var(--accent);
  background: rgba(255,255,255,.08);
}

.search-input {
  background: transparent;
  border: 0;
  outline: none;
  color: var(--text-strong);
  font-size: 14px;
  width: 100%;
  min-width: 0;
}

.search-input::placeholder {
  color: var(--text-dim);
}

.search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 0;
  background: rgba(255,255,255,.08);
  color: var(--text);
  cursor: pointer;
  transition: background .2s, color .2s;
}

.search-btn:hover {
  background: rgba(39,224,199,.18);
  color: var(--accent);
}

.second-nav {
  border-top: 1px solid rgba(255,255,255,.06);
}

.channel-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 8px 0;
}

.channel-nav::-webkit-scrollbar {
  display: none;
}

.channel-link {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  padding: 8px 18px;
  border-radius: 999px;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.channel-link:hover {
  color: var(--text-strong);
  background: rgba(255,255,255,.1);
}

.channel-link.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(47,107,255,.9), rgba(39,224,199,.7));
  box-shadow: 0 6px 18px rgba(47,107,255,.3);
}

.header-cta {
  color: #071018;
  background: linear-gradient(135deg, var(--accent), var(--primary-2));
  font-weight: 700;
  border-radius: 999px;
  padding: 10px 20px;
  box-shadow: 0 8px 24px rgba(39,224,199,.22);
}

.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(39,224,199,.34);
}

/* ---------- 二级页头 ---------- */
.page-hero {
  position: relative;
  min-height: 340px;
  display: flex;
  align-items: center;
  padding: 64px 0;
  background:
    linear-gradient(180deg, rgba(7,13,23,.35), rgba(7,13,23,.92) 92%),
    url('/assets/images/backpic/back-1.png') center 32% / cover no-repeat;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(750px 300px at 15% 20%, rgba(47,107,255,.25), transparent 65%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.hero-eyebrow::before {
  content: "";
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.page-hero h1 {
  color: var(--text-strong);
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -.02em;
  max-width: 800px;
}

.page-hero h1 .text-accent {
  background: linear-gradient(135deg, #fff, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  margin-top: 18px;
  max-width: 650px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.9;
}

.hero-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-dim);
}

.hero-breadcrumb a {
  color: var(--text-dim);
  transition: color .2s;
}

.hero-breadcrumb a:hover {
  color: var(--accent);
}

.hero-breadcrumb .sep {
  color: rgba(255,255,255,.25);
}

.hero-breadcrumb .current {
  color: var(--text-strong);
  font-weight: 500;
}

.hero-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--text-strong);
  font-size: 13px;
  font-weight: 500;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

/* ---------- 通用板块 ---------- */
.section {
  position: relative;
  z-index: 1;
  padding: 88px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(16,29,46,.45), rgba(12,21,34,.2));
}

.section-head {
  max-width: 760px;
  margin-bottom: 44px;
}

.section-head.left-aligned {
  margin-left: 0;
}

.section-tag {
  display: inline-block;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .12em;
  margin-bottom: 12px;
}

.section-title {
  color: var(--text-strong);
  font-size: clamp(24px, 3.2vw, 38px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.01em;
}

.section-desc {
  margin-top: 14px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.85;
}

/* ---------- 官方速览卡 ---------- */
.notice-ribbon {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: -46px;
  position: relative;
  z-index: 5;
}

.notice-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 22px 24px;
  background: rgba(255,255,255,.055);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.notice-card:hover {
  transform: translateY(-4px);
  border-color: rgba(39,224,199,.3);
}

.notice-icon {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(47,107,255,.25), rgba(39,224,199,.16));
  color: var(--accent);
  font-size: 20px;
}

.notice-card h3 {
  color: var(--text-strong);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.notice-card p {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

/* ---------- 聚焦区块 ---------- */
.news-pull {
  padding-top: 72px;
}

.news-grid {
  display: grid;
  grid-template-columns: 1.35fr .9fr;
  gap: 24px;
}

.feature-news {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.feature-news .news-img {
  position: absolute;
  inset: 0;
  height: 100%;
  width: 100%;
}

.feature-news .news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease);
}

.feature-news:hover .news-img img {
  transform: scale(1.04);
}

.feature-news::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,13,23,.1) 15%, rgba(7,13,23,.95) 100%);
}

.feature-copy {
  position: relative;
  z-index: 2;
  padding: 32px;
}

.feature-copy .badge {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(39,224,199,.15);
  border: 1px solid rgba(39,224,199,.3);
  margin-bottom: 14px;
}

.feature-copy h3 {
  color: var(--text-strong);
  font-size: 23px;
  line-height: 1.45;
  font-weight: 700;
  max-width: 520px;
}

.feature-copy p {
  color: rgba(255,255,255,.82);
  font-size: 15px;
  margin-top: 12px;
  line-height: 1.85;
  max-width: 540px;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255,255,255,.7);
  font-size: 13px;
  margin-top: 18px;
}

.news-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.stack-news {
  display: flex;
  gap: 16px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  padding: 16px;
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s;
}

.stack-news:hover {
  transform: translateY(-3px);
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.2);
}

.stack-thumb {
  width: 96px;
  height: 84px;
  flex: 0 0 96px;
  border-radius: 12px;
  overflow: hidden;
}

.stack-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.stack-body {
  min-width: 0;
}

.stack-body .label {
  display: inline-block;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  margin-bottom: 4px;
}

.stack-body h4 {
  color: var(--text-strong);
  font-size: 15px;
  line-height: 1.55;
  font-weight: 600;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.stack-body .date {
  color: var(--text-dim);
  font-size: 12px;
  margin-top: 6px;
  display: block;
}

/* ---------- 公告时间轴 ---------- */
.timeline-block {
  position: relative;
}

.announce-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.announce-item {
  position: relative;
  display: grid;
  grid-template-columns: 150px 1fr 220px;
  gap: 28px;
  align-items: center;
  padding: 30px 0 30px 28px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: background .22s, padding .22s;
}

.announce-item:last-child {
  border-bottom: 0;
}

.announce-item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 32px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--text-dim);
  box-shadow: 0 0 0 4px rgba(255,255,255,.05);
  transition: background .22s, box-shadow .22s;
}

.announce-item:hover {
  background: rgba(255,255,255,.02);
  padding-left: 34px;
}

.announce-item:hover::before {
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(39,224,199,.18), 0 0 20px rgba(39,224,199,.5);
}

.announce-date {
  display: flex;
  flex-direction: column;
}

.announce-date .date-lg {
  color: var(--text-strong);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.2;
}

.announce-date .date-sm {
  color: var(--text-dim);
  font-size: 13px;
  margin-top: 2px;
}

.announce-type {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(47,107,255,.15);
  color: var(--primary-2);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 8px;
}

.announce-type.tournament {
  background: rgba(39,224,199,.12);
  color: var(--accent);
}

.announce-type.ticket {
  background: rgba(246,185,59,.13);
  color: var(--warning);
}

.announce-content h3 {
  color: var(--text-strong);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 6px;
}

.announce-content p {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.75;
}

.announce-link {
  text-align: right;
}

.article-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-strong);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 18px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  transition: border-color .22s, color .22s, background .22s;
}

.article-link:hover {
  color: var(--accent);
  border-color: rgba(39,224,199,.4);
  background: rgba(39,224,199,.08);
}

/* ---------- 报道与图片模块 ---------- */
.report-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.report-visual {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 24px 80px rgba(0,0,0,.3);
}

.report-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.report-copy h3 {
  color: var(--text-strong);
  font-size: 28px;
  font-weight: 800;
  line-height: 1.35;
  margin: 10px 0 18px;
}

.report-copy .small-note {
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .08em;
}

.report-copy p {
  margin-bottom: 16px;
}

.report-list {
  list-style: none;
  margin-top: 20px;
}

.report-list li {
  position: relative;
  padding: 12px 0 12px 28px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  color: var(--text);
  font-size: 15px;
}

.report-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 0 0 4px rgba(47,107,255,.12);
}

.report-list li strong {
  color: var(--text-strong);
  font-weight: 600;
}

/* ---------- 媒体引用 ---------- */
.quote-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.quote-card {
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.quote-card:hover {
  transform: translateY(-4px);
  border-color: rgba(39,224,199,.3);
}

.quote-icon {
  color: var(--accent);
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1;
}

.quote-card blockquote {
  color: var(--text);
  font-size: 15px;
  line-height: 1.85;
  border: 0;
  padding: 0;
  margin: 0 0 16px;
}

.quote-card cite {
  color: var(--text-dim);
  font-style: normal;
  font-size: 13px;
}

.quote-card cite b {
  color: var(--text-strong);
  display: block;
  font-weight: 600;
  margin-bottom: 2px;
}

/* ---------- FAQ ---------- */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.03);
  border-radius: 16px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .22s;
}

.faq-item:hover {
  border-color: rgba(255,255,255,.2);
}

.faq-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 18px 24px;
  color: var(--text-strong);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

.faq-item.open .faq-trigger {
  color: var(--accent);
}

.faq-trigger .icon {
  flex: 0 0 24px;
  color: var(--text-dim);
  font-style: normal;
  font-size: 22px;
  transition: transform .28s var(--ease);
}

.faq-item.open .faq-trigger .icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s var(--ease);
}

.faq-answer .inner {
  padding: 0 24px 20px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.9;
}

/* ---------- CTA ---------- */
.cta-panel {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(7,13,23,.7), rgba(10,23,38,.58)),
    url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  padding: 64px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 28px;
  border: 1px solid rgba(255,255,255,.15);
  box-shadow: var(--shadow);
}

.cta-panel::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 220px;
  background: linear-gradient(transparent, rgba(7,13,23,.5));
}

.cta-copy {
  max-width: 580px;
}

.cta-copy h2 {
  color: var(--text-strong);
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 800;
  line-height: 1.35;
}

.cta-copy p {
  margin-top: 12px;
  color: rgba(255,255,255,.85);
  font-size: 15px;
}

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

/* ---------- 页脚 ---------- */
footer {
  position: relative;
  z-index: 2;
  background: #050A13;
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand p {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.9;
  margin-top: 18px;
  max-width: 360px;
}

.footer-title {
  color: var(--text-strong);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a,
.footer-contact span {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.7;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid rgba(255,255,255,.07);
  padding-top: 22px;
  color: #566B84;
  font-size: 13px;
  letter-spacing: .02em;
}

@media (max-width: 1024px) {
  .section {
    padding: 68px 0;
  }

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

  .feature-news {
    min-height: 360px;
  }

  .stack-news {
    flex-direction: column;
  }

  .stack-thumb {
    width: 100%;
    flex-basis: 100px;
  }

  .report-split {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .quote-wrap {
    grid-template-columns: 1fr 1fr;
  }

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

  .cta-panel {
    padding: 44px 34px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 18px;
  }

  .header-top {
    min-height: 62px;
  }

  .brand-name {
    font-size: 16px;
  }

  .brand-logo {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    font-size: 14px;
  }

  .search-form {
    width: 42px;
  }

  .search-form.open {
    width: 200px;
  }

  .search-input {
    width: 0;
    opacity: 0;
  }

  .search-form.open .search-input {
    width: 100%;
    opacity: 1;
  }

  .header-cta {
    font-size: 13px;
    padding: 8px 14px;
    border-radius: 999px;
  }

  .page-hero {
    min-height: 300px;
    padding: 52px 0;
  }

  .page-hero h1 {
    font-size: 31px;
  }

  .notice-ribbon {
    grid-template-columns: 1fr;
    margin-top: -36px;
  }

  .section-head {
    margin-bottom: 30px;
  }

  .section-title {
    font-size: 25px;
  }

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

  .feature-news {
    min-height: 340px;
  }

  .feature-copy {
    padding: 24px;
  }

  .feature-copy h3 {
    font-size: 18px;
  }

  .announce-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 24px 0 24px 24px;
  }

  .announce-item::before {
    top: 30px;
  }

  .announce-link {
    text-align: left;
    margin-top: 6px;
  }

  .quote-wrap {
    grid-template-columns: 1fr;
  }

  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    flex: 1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-bottom: 30px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .brand-logo {
    display: none;
  }

  .brand-name {
    font-size: 15px;
  }

  .header-actions {
    gap: 8px;
  }

  .header-cta {
    font-size: 12px;
    padding: 8px 12px;
  }

  .channel-link {
    padding: 7px 14px;
    font-size: 14px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .hero-tag-row {
    gap: 8px;
  }

  .pill {
    padding: 4px 10px;
    font-size: 12px;
  }

  .notice-card {
    padding: 18px;
  }

  .stack-news {
    padding: 12px;
  }

  .stack-thumb {
    height: 128px;
  }

  .feature-copy p {
    font-size: 14px;
  }

  .announce-date .date-lg {
    font-size: 17px;
  }

  .announce-content h3 {
    font-size: 17px;
  }

  .report-copy h3 {
    font-size: 22px;
  }

  .article-link {
    width: 100%;
    justify-content: center;
  }

  .cta-actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category4 */
:root{
  --bg-base:#070D17;
  --bg-section:#0C1522;
  --bg-deep:#101D2E;
  --primary:#2F6BFF;
  --primary-light:#4C8DFF;
  --cyan:#27E0C7;
  --yellow:#F6B93B;
  --text-strong:#F1F5FB;
  --text-body:#B8C4D9;
  --text-muted:#8296AE;
  --border-glass:rgba(255,255,255,0.12);
  --bg-glass:rgba(255,255,255,0.05);
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-brand:0 10px 40px rgba(47,107,255,0.28);
  --shadow-card:0 16px 40px rgba(0,0,0,0.28);
  --max-w:1240px;
  --tap-y:-2px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-base);
  color:var(--text-body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei UI","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(600px 320px at 12% -4%,rgba(47,107,255,0.18),transparent 60%),
    radial-gradient(800px 420px at 88% 12%,rgba(39,224,199,0.12),transparent 60%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.05;
  background-image:
    linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:52px 52px;
}
body *{position:relative;z-index:1}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;border:none}
ul,ol{list-style:none}
::-moz-selection{background:rgba(39,224,199,.28);color:#fff}
::selection{background:rgba(39,224,199,.28);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
section{position:relative;z-index:1}
/* ---------- 双层导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(7,13,23,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-logo{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#2F6BFF 10%,#27E0C7);
  color:#fff;
  font-weight:800;
  font-size:15px;
  letter-spacing:.02em;
  box-shadow:0 8px 24px rgba(47,107,255,.36);
}
.brand-name{font-size:20px;font-weight:800;color:var(--text-strong);letter-spacing:.01em;white-space:nowrap}
.header-actions{display:flex;align-items:center;gap:12px}
.search-form{display:flex;align-items:center;background:rgba(255,255,255,.06);border:1px solid var(--border-glass);border-radius:999px;padding-left:14px;height:38px;transition:border-color .2s var(--ease),background .2s var(--ease)}
.search-form:focus-within{border-color:rgba(39,224,199,.65);background:rgba(255,255,255,.09)}
.search-input{width:150px;background:transparent;border:none;color:var(--text-strong);font-size:13px;outline:none}
.search-input::placeholder{color:var(--text-muted)}
.search-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:transparent;color:var(--text-body);cursor:pointer;transition:color .2s,background .2s}
.search-btn:hover{color:var(--cyan);background:rgba(39,224,199,.1)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;font-weight:600;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s,background .2s;text-align:center}
.btn:active{transform:translateY(2px) scale(.98)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-light) 46%,#27E0C7);color:#fff;box-shadow:0 8px 26px rgba(47,107,255,.38)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(39,224,199,.35)}
.btn-outline{border:1px solid rgba(255,255,255,.35);color:var(--text-strong);background:rgba(255,255,255,.03)}
.btn-outline:hover{border-color:rgba(39,224,199,.8);color:var(--cyan);background:rgba(39,224,199,.08);transform:translateY(-2px)}
.header-cta{background:linear-gradient(135deg,#2F6BFF 0%,#4C8DFF 60%);box-shadow:0 8px 24px rgba(47,107,255,.32);color:#fff}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(47,107,255,.5)}
.second-nav{border-top:1px solid rgba(255,255,255,.05);background:rgba(7,13,23,.25)}
.channel-nav{display:flex;gap:4px;overflow-x:auto;padding:8px 0;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  white-space:nowrap;
  padding:7px 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:var(--text-muted);
  transition:color .2s,background .2s;
}
.channel-link:hover{color:var(--text-strong);background:rgba(255,255,255,.07)}
.channel-link.active{color:#07101B;background:linear-gradient(135deg,#27E0C7,#4C8DFF);font-weight:700}
/* ---------- 二级页头 / 分类 Hero ---------- */
.page-hero{
  min-height:340px;
  display:flex;
  align-items:center;
  background:
    linear-gradient(180deg,rgba(7,13,23,.38) 0%,rgba(7,13,23,.76) 84%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid rgba(255,255,255,.08);
  overflow:hidden;
}
.page-hero-inner{width:100%;padding:74px 0 86px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:4px;font-size:13px;color:var(--text-muted);margin-bottom:26px}
.crumb a{transition:color .2s}
.crumb a:hover{color:var(--cyan)}
.crumb-sep{opacity:.55;margin:0 4px}
.crumb-current{color:var(--text-body)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;background:rgba(39,224,199,.12);border:1px solid rgba(39,224,199,.35);color:#9DF2E4;font-size:13px;font-weight:600;letter-spacing:.04em;margin-bottom:18px}
.page-hero h1{font-size:46px;line-height:1.2;color:var(--text-strong);font-weight:900;letter-spacing:-.01em;max-width:800px}
.page-hero h1 span{color:transparent;background:linear-gradient(90deg,#27E0C7,#4C8DFF);-webkit-background-clip:text;background-clip:text}
.page-hero .hero-desc{
  max-width:720px;
  margin-top:18px;
  font-size:17px;
  line-height:1.9;
  color:rgba(241,245,251,.86);
}
.page-hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.meta-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:rgba(255,255,255,.07);border:1px solid var(--border-glass);border-radius:999px;font-size:13px;color:var(--text-body)}
.meta-pill svg{width:15px;height:15px;color:var(--cyan)}
/* ---------- 通用版块 ---------- */
.section{padding:92px 0}
.section-alt{background:rgba(12,21,34,.62);border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05)}
.section-head{max-width:680px;margin-bottom:50px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-kicker{font-size:13px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px;display:block}
.section-head h2{font-size:38px;line-height:1.25;color:var(--text-strong);font-weight:800}
.section-head .lead{margin-top:16px;font-size:16px;line-height:1.9;color:var(--text-muted)}
/* ---------- 票档对比 ---------- */
.ticket-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.ticket-card{
  position:relative;
  display:flex;
  flex-direction:column;
  padding:32px 28px;
  border-radius:22px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:transform .25s var(--ease),border-color .25s,box-shadow .25s;
}
.ticket-card:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.28);box-shadow:var(--shadow-card)}
.ticket-card.featured{
  background:linear-gradient(160deg,rgba(47,107,255,.18),rgba(39,224,199,.09) 70%);
  border:1px solid rgba(39,224,199,.55);
  box-shadow:0 20px 60px rgba(47,107,255,.24);
}
.ticket-badge{
  position:absolute;
  top:-13px;
  left:50%;
  transform:translateX(-50%);
  background:linear-gradient(135deg,#27E0C7,#2F6BFF);
  color:#06101c;
  font-size:12px;
  font-weight:800;
  padding:5px 16px;
  border-radius:999px;
  letter-spacing:.04em;
  box-shadow:0 6px 20px rgba(39,224,199,.35);
  white-space:nowrap;
}
.ticket-name{font-size:20px;color:var(--text-strong);font-weight:800;letter-spacing:.02em}
.ticket-price{margin:18px 0 4px;display:flex;align-items:flex-end;gap:4px}
.ticket-price .cur{font-size:20px;font-weight:700;color:var(--text-strong);padding-bottom:8px}
.ticket-price .num{font-size:46px;line-height:1;font-weight:900;color:#fff}
.ticket-price .tag-des{color:var(--text-muted);font-size:13px;padding-bottom:11px}
.ticket-feature{list-style:none;margin:26px 0 32px;display:grid;gap:14px;border-top:1px solid rgba(255,255,255,.1);padding-top:24px;flex:1}
.ticket-feature li{display:flex;gap:11px;font-size:14px;line-height:1.65;color:var(--text-body)}
.ticket-feature li strong{color:var(--text-strong)}
.ticket-feature .b-icon{flex:0 0 18px;width:18px;height:18px;margin-top:4px;color:var(--cyan)}
.ticket-btn{width:100%}
.btn-lg{height:52px;font-size:16px;padding:0 28px}
/* ---------- 流程 ---------- */
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.process-step{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:26px 22px;transition:border-color .25s,transform .25s}
.process-step:hover{border-color:rgba(39,224,199,.4);transform:translateY(-4px)}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;font-weight:800;font-size:18px;color:#07111F;background:linear-gradient(135deg,#27E0C7,#4C8DFF);margin-bottom:20px}
.process-step h3{color:var(--text-strong);font-size:18px;font-weight:700;margin-bottom:10px}
.process-step p{font-size:14px;line-height:1.75;color:var(--text-muted)}
.notice-tip{display:flex;align-items:flex-start;gap:10px;margin-top:40px;border:1px solid rgba(246,185,59,.35);background:rgba(246,185,59,.08);padding:16px 20px;border-radius:18px;color:#F7DFA9;font-size:14px}
.notice-tip svg{width:18px;height:18px;color:var(--yellow);flex:0 0 18px;margin-top:4px}
/* ---------- 权益对照表 ---------- */
.compare-block{margin-top:58px;overflow:hidden;border:1px solid rgba(255,255,255,.1);border-radius:22px;background:rgba(255,255,255,.03)}
.compare-table{width:100%;border-collapse:collapse;font-size:14px;min-width:720px}
.compare-table th{
  text-align:left;
  padding:18px 20px;
  background:rgba(255,255,255,.05);
  color:var(--text-strong);
  font-weight:700;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.compare-table td{padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.06);color:var(--text-muted);vertical-align:middle}
.compare-table tr:last-child td{border-bottom:none}
.compare-table td:first-child{color:var(--text-strong);font-weight:600;white-space:nowrap}
.compare-table .yes{color:var(--cyan);font-weight:700}
.compare-table .no{color:#5c6e84}
.compare-featured-cell{background:rgba(47,107,255,.08)}
/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:1100px;margin:0 auto}
.faq-item{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);
  border-radius:18px;
  overflow:hidden;
  transition:border-color .25s,background .25s;
}
.faq-item:hover{border-color:rgba(255,255,255,.2)}
.faq-item.open{border-color:rgba(39,224,199,.45);background:rgba(39,224,199,.04)}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  width:100%;
  padding:20px 22px;
  text-align:left;
  color:var(--text-strong);
  font-size:16px;
  font-weight:600;
  background:transparent;
  cursor:pointer;
  line-height:1.6;
}
.faq-q .faq-icon{
  flex:0 0 24px;
  display:flex;align-items:center;justify-content:center;
  width:24px;height:24px;
  border-radius:50%;
  background:rgba(47,107,255,.18);
  color:#8AB3FF;
  transition:transform .25s var(--ease),background .25s;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(39,224,199,.2);color:var(--cyan)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);padding:0 22px}
.faq-item.open .faq-a{max-height:420px;padding-bottom:22px}
.faq-a p{font-size:15px;line-height:1.85;color:var(--text-muted)}
/* ---------- 现场须知区块 ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:20px}
.service-card{
  padding:28px 24px;
  border-radius:20px;
  background:linear-gradient(170deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  border:1px solid var(--border-glass);
  transition:transform .25s var(--ease),border-color .25s;
}
.service-card:hover{transform:translateY(-4px);border-color:rgba(39,224,199,.49)}
.service-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(47,107,255,.16);color:#7BA7FF;margin-bottom:18px}
.service-icon.green{background:rgba(39,224,199,.14);color:var(--cyan)}
.service-icon.yellow{background:rgba(246,185,59,.14);color:var(--yellow)}
.service-card h3{color:var(--text-strong);font-size:18px;font-weight:700;margin-bottom:10px}
.service-card p{font-size:14px;line-height:1.8;color:var(--text-muted)}
/* ---------- CTA ---------- */
.cta-section{padding:30px 0 110px}
.cta-panel{
  background:linear-gradient(130deg,rgba(47,107,255,.24),rgba(39,224,199,.1) 62%,rgba(16,29,46,.95));
  border:1px solid rgba(112,160,255,.3);
  border-radius:26px;
  padding:54px 10%;
  text-align:center;
}
.cta-panel h2{color:#fff;font-size:36px;font-weight:900;line-height:1.3}
.cta-panel p{color:rgba(230,240,255,.85);font-size:16px;margin:16px auto 10px;max-width:580px;line-height:1.8}
.cta-btns{display:flex;justify-content:center;gap:16px;margin-top:26px;flex-wrap:wrap}
/* ---------- footer ---------- */
footer{
  background:#050A12;
  border-top:1px solid rgba(255,255,255,.08);
  padding:64px 0 30px;
}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:44px;margin-bottom:46px}
.footer-brand p{margin:14px 0 0;font-size:14px;line-height:1.9;color:var(--text-muted);max-width:300px}
.footer-title{font-size:15px;color:var(--text-strong);margin-bottom:18px;font-weight:700}
.footer-links{display:grid;gap:9px;align-content:start}
.footer-links a{color:var(--text-muted);font-size:14px;transition:color .2s,padding-left .2s}
.footer-links a:hover{color:var(--cyan);padding-left:4px}
.footer-contact{display:grid;gap:10px;color:var(--text-muted);font-size:14px;line-height:1.7}
.footer-contact span{display:flex;gap:8px;align-items:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.07);
  padding-top:24px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  color:var(--text-muted);
  font-size:13px;
}
/* ---------- 响应端 ---------- */
@media(max-width:1024px){
  .section{padding:70px 0}
  .ticket-wrap{grid-template-columns:repeat(2,1fr)}
  .ticket-card.featured{order:-1;grid-column:1/-1}
  .process-steps{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr;max-width:760px}
  .service-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .page-hero h1{font-size:38px}
}
@media(max-width:768px){
  .header-top{padding:12px 0 10px}
  .brand-name{font-size:18px}
  .search-input{width:0;padding:0;opacity:0;pointer-events:none;transition:width .25s}
  .search-form.open .search-input{width:130px;padding:0 6px;opacity:1;pointer-events:auto}
  .search-form{background:rgba(255,255,255,.05);border-color:transparent;padding-left:0}
  .search-btn{width:38px;height:38px}
  .section-head h2{font-size:30px}
  .page-hero{min-height:300px}
  .page-hero-inner{padding:50px 0 58px}
  .page-hero h1{font-size:32px}
  .page-hero .hero-desc{font-size:15px}
  .header-actions .btn-sm{padding:0 16px;height:36px;font-size:13px}
  .ticket-wrap{grid-template-columns:1fr}
  .ticket-card.featured{order:0;grid-column:auto}
  .process-steps{grid-template-columns:1fr}
  .service-grid{grid-template-columns:1fr}
  .cta-panel{padding:46px 24px}
  .cta-panel h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column}
}
@media(max-width:520px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .page-hero h1{font-size:27px;line-height:1.35}
  .hero-desc{font-size:14px}
  .channel-link{padding:7px 13px;font-size:13px}
  .header-cta{display:inline-flex}
  .brand-logo{width:34px;height:34px;flex-basis:34px;font-size:13px}
  .brand-name{font-size:16px}
  .section-head h2{font-size:25px}
  .section-head .lead{font-size:14px}
  .ticket-card{padding:28px 20px}
  .compare-block{margin-top:34px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s !important;transition-duration:.001s !important}
  html{scroll-behavior:auto}
}