/* roulang page: index */
:root{
    --bg:#0B0E14;
    --bg-soft:#12161F;
    --bg-card:#161B24;
    --paper:#E9E7E2;
    --paper-deep:#D8D4CC;
    --text:#F0F4F8;
    --text-secondary:#9AA6B8;
    --muted:#5B6472;
    --accent:#C8F169;
    --accent-strong:#D8FB85;
    --accent-ink:#131F08;
    --amber:#F4C75B;
    --line-soft:rgba(255,255,255,.08);
    --line-paper:#D8D4CC;
    --radius-xs:4px;
    --radius-md:10px;
    --radius-pill:999px;
    --shadow-dock:0 8px 24px rgba(0,0,0,.35);
    --shadow-card:0 12px 32px rgba(0,0,0,.28);
    --ease:cubic-bezier(.22,1,.36,1);
    --font-main:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
    --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  }

  *,
  *::before,
  *::after{
    box-sizing:border-box;
    margin:0;
    padding:0;
  }
  html{
    scroll-behavior:smooth;
    -webkit-text-size-adjust:100%;
  }
  body{
    background:var(--bg);
    color:var(--text);
    font-family:var(--font-main);
    font-size:16px;
    line-height:1.7;
    letter-spacing:.01em;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }
  img{
    display:block;
    max-width:100%;
    height:auto;
  }
  a{
    color:inherit;
    text-decoration:none;
  }
  button,
  input{
    font-family:inherit;
    font-size:inherit;
    color:inherit;
  }
  button{
    cursor:pointer;
    border:none;
    background:none;
  }
  ul,
  ol{
    list-style:none;
  }
  a:focus-visible,
  button:focus-visible,
  input:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:2px;
    border-radius:var(--radius-xs);
  }
  h1,h2,h3,h4{
    font-weight:700;
    line-height:1.2;
  }
  ::selection{
    background:var(--accent);
    color:var(--accent-ink);
  }
  .doc-header{
    position:fixed;
    top:16px;
    left:0;
    right:0;
    z-index:60;
    display:flex;
    justify-content:center;
    padding:0 16px;
  }
  .dock-nav{
    display:flex;
    align-items:center;
    max-width:1080px;
    width:100%;
    height:60px;
    padding:8px 10px 8px 16px;
    border-radius:var(--radius-pill);
    background:rgba(11,14,20,.72);
    box-shadow:var(--shadow-dock);
    border:1px solid rgba(255,255,255,.08);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    transition:background .3s ease,box-shadow .3s ease;
    gap:10px;
  }
  .doc-header.scrolled .dock-nav{
    background:rgba(11,14,20,.92);
    box-shadow:var(--shadow-dock);
  }
  .brand{
    display:flex;
    align-items:center;
    gap:9px;
    min-width:0;
    flex-shrink:0;
  }
  .brand-badge{
    width:26px;
    height:26px;
    border-radius:7px;
    background:var(--accent);
    color:var(--accent-ink);
    display:flex;
    align-items:center;
    justify-content:center;
    flex-shrink:0;
  }
  .brand-badge svg{
    width:15px;
    height:15px;
  }
  .brand-name{
    font-weight:800;
    font-size:1rem;
    letter-spacing:.01em;
    white-space:nowrap;
    color:var(--text);
  }
  .main-nav{
    display:flex;
    align-items:center;
    gap:6px;
    margin-left:10px;
    min-width:0;
  }
  .main-nav a{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:38px;
    padding:0 13px;
    font-size:.9rem;
    font-weight:500;
    color:var(--text-secondary);
    border-radius:var(--radius-pill);
    transition:color .2s var(--ease);
    white-space:nowrap;
  }
  .main-nav a:hover{
    color:var(--text);
  }
  .main-nav a::after{
    content:"";
    position:absolute;
    left:16px;
    right:16px;
    bottom:2px;
    height:2px;
    border-radius:var(--radius-pill);
    background:var(--accent);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .2s var(--ease);
  }
  .main-nav a:hover::after,
  .main-nav a.active::after{
    transform:scaleX(1);
  }
  .main-nav a.active{
    color:var(--text);
  }
  .nav-cta{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    height:38px;
    padding:0 18px;
    border-radius:var(--radius-pill);
    background:var(--accent);
    color:var(--accent-ink);
    font-size:.9rem;
    font-weight:700;
    margin-left:auto;
    flex-shrink:0;
    transition:background .2s ease,transform .2s ease;
  }
  .nav-cta:hover{
    background:var(--accent-strong);
    transform:translateY(-1px);
  }
  .menu-btn{
    display:none;
    align-items:center;
    gap:6px;
    height:36px;
    padding:0 13px;
    border-radius:var(--radius-pill);
    border:1px solid var(--line-soft);
    color:var(--text);
    font-size:.85rem;
    background:rgba(255,255,255,.04);
  }
  .mobile-menu{
    display:none;
    position:fixed;
    left:14px;
    right:14px;
    bottom:84px;
    z-index:70;
    background:rgba(11,14,20,.96);
    border:1px solid var(--line-soft);
    border-radius:18px;
    box-shadow:var(--shadow-card);
    padding:18px;
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
  }
  .mobile-menu.open{
    display:block;
  }
  .mobile-menu nav{
    display:flex;
    flex-direction:column;
    gap:2px;
  }
  .mobile-menu nav a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:12px 14px;
    border-radius:10px;
    font-weight:600;
    color:var(--text);
  }
  .mobile-menu nav a:hover{
    background:rgba(255,255,255,.06);
  }
  .mobile-menu nav a.active{
    color:var(--accent);
    background:rgba(200,241,105,.08);
  }
  .mobile-menu nav a span{
    color:var(--text-secondary);
  }
  .wrap{
    width:100%;
    max-width:1200px;
    margin-left:auto;
    margin-right:auto;
    padding-left:20px;
    padding-right:20px;
  }
  .hero{
    position:relative;
    min-height:92vh;
    display:flex;
    align-items:center;
    padding:118px 0 70px;
    overflow:hidden;
  }
  .hero-bg{
    position:absolute;
    z-index:0;
    inset:0;
    background-image:url('/assets/images/backpic/back-1.png');
    background-position:center;
    background-size:cover;
    background-repeat:no-repeat;
  }
  .hero-veil{
    position:absolute;
    inset:0;
    z-index:1;
    background:linear-gradient(100deg,rgba(11,14,20,.98) 0%,rgba(11,14,20,.86) 36%,rgba(11,14,20,.52) 72%,rgba(11,14,20,.62) 100%);
  }
  .hero-text{
    position:relative;
    z-index:3;
  }
  .hero-eyebrow{
    display:inline-flex;
    align-items:center;
    gap:9px;
    font-size:.84rem;
    color:var(--text-secondary);
    background:rgba(255,255,255,.05);
    border:1px solid var(--line-soft);
    border-radius:var(--radius-pill);
    padding:7px 14px;
    line-height:1.3;
    margin-bottom:28px;
  }
  .status-dot{
    width:7px;
    height:7px;
    border-radius:99px;
    background:var(--accent);
    box-shadow:0 0 0 4px rgba(200,241,105,.16);
    flex-shrink:0;
  }
  .hero h1{
    font-size:clamp(2.7rem,5.5vw,4.9rem);
    letter-spacing:-.02em;
    line-height:1.08;
    font-weight:800;
    margin-bottom:24px;
  }
  .hero h1 span{
    color:var(--accent);
  }
  .hero-sub{
    font-size:clamp(1rem,1.35vw,1.12rem);
    line-height:1.9;
    max-width:34em;
    color:#C9D1DF;
    margin-bottom:34px;
  }
  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    align-items:center;
  }
  .btn-primary{
    display:inline-flex;
    cursor:pointer;
    align-items:center;
    justify-content:center;
    min-width:150px;
    height:48px;
    padding:0 26px;
    background:var(--accent);
    color:var(--accent-ink);
    border:1px solid var(--accent);
    border-radius:var(--radius-pill);
    font-weight:700;
    font-size:.96rem;
    line-height:1;
    transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
    box-shadow:0 6px 17px rgba(200,241,105,.11);
  }
  .btn-primary:hover{
    background:var(--accent-strong);
    transform:translateY(-1px);
    box-shadow:0 10px 22px rgba(200,241,105,.14);
  }
  .btn-ghost{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-width:150px;
    height:48px;
    padding:0 26px;
    background:rgba(255,255,255,.03);
    border:1px solid rgba(255,255,255,.18);
    border-radius:var(--radius-pill);
    color:var(--text);
    font-weight:600;
    font-size:.96rem;
    transition:border-color .22s ease,background .22s ease,color .22s;
  }
  .btn-ghost:hover{
    background:rgba(255,255,255,.06);
    border-color:var(--accent);
  }
  .hero-aside{
    position:relative;
    width:100%;
    min-height:480px;
    z-index:3;
  }
  .art-card{
    position:absolute;
    border-radius:16px;
    overflow:hidden;
    border:1px solid rgba(255,255,255,.1);
    box-shadow:var(--shadow-card);
  }
  .art-card.a{
    width:44%;
    aspect-ratio:4/5;
    right:0;
    top:0;
    z-index:3;
  }
  .art-card.b{
    width:48%;
    aspect-ratio:3/4;
    left:4%;
    top:135px;
    z-index:4;
  }
  .art-card.c{
    width:33%;
    aspect-ratio:4/3;
    right:8%;
    bottom:0;
    z-index:2;
    border:none;
    box-shadow:none;
  }
  .art-card img{
    width:100%;
    height:100%;
    object-fit:cover;
  }
  .art-card::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(200deg,rgba(11,14,20,.18) 18%,transparent 55%);
  }
  .tail{
    position:absolute;
    right:-20px;
    background:var(--amber);
    color:#3B2E08;
    font-size:.75rem;
    font-weight:700;
    padding:6px 12px;
    border-radius:var(--radius-pill);
    transform:rotate(4deg);
  }
  .section-pad{
    padding-top:clamp(64px,8vw,104px);
    padding-bottom:clamp(64px,8vw,104px);
  }
  .bg-card-soft{
    background:var(--bg-soft);
  }
  .section-tag{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:.85rem;
    color:var(--accent);
    font-weight:700;
    letter-spacing:.05em;
    line-height:1.2;
    margin-bottom:14px;
  }
  .section-tag::before{
    content:"";
    width:22px;
    height:2px;
    background:var(--accent);
    border-radius:99px;
    flex-shrink:0;
  }
  .section-title{
    font-size:clamp(1.6rem,2.7vw,2.6rem);
    font-weight:800;
    line-height:1.25;
    letter-spacing:-.02em;
  }
  .section-desc{
    margin-top:16px;
    font-size:16px;
    color:var(--text-secondary);
    max-width:45em;
    line-height:1.9;
  }
  .span-accent{
    color:var(--accent);
  }
  .line-divider{
    height:1px;
    background:var(--line-soft);
    border:0;
  }
  .news-timeline{
    position:relative;
    display:flex;
    flex-direction:column;
    gap:15px;
  }
  .news-timeline::before{
    content:"";
    position:absolute;
    left:11px;
    top:6px;
    bottom:6px;
    width:1px;
    background:linear-gradient(180deg,var(--accent) 0%,rgba(255,255,255,.15) 100%);
  }
  .news-slice{
    position:relative;
    display:flex;
    align-items:flex-start;
    gap:18px;
    background:var(--bg-card);
    border-radius:var(--radius-md);
    padding:20px 20px;
    border:1px solid transparent;
    transition:border-color .2s ease,transform .2s var(--ease),box-shadow .2s ease;
  }
  .news-slice:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-card);
    border-color:rgba(200,241,105,.18);
  }
  .news-pin{
    position:absolute;
    left:11px;
    top:29px;
    width:9px;
    height:9px;
    border-radius:99px;
    background:var(--accent);
    box-shadow:0 0 0 4px rgba(200,241,105,.12);
    transform:translateX(-50%);
  }
  .news-main{
    flex:1;
    min-width:0;
    padding-left:13px;
  }
  .news-top{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    column-gap:12px;
    row-gap:6px;
    margin-bottom:8px;
  }
  .news-cat{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:rgba(200,241,105,.15);
    color:var(--accent-strong);
    font-size:.76rem;
    font-weight:700;
    padding:4px 10px;
    border-radius:var(--radius-xs);
    line-height:1.3;
  }
  .news-date{
    font-family:var(--font-mono);
    font-size:.79rem;
    color:var(--text-secondary);
    letter-spacing:.02em;
  }
  .news-title-line{
    display:flex;
    align-items:center;
    gap:10px;
  }
  .news-title{
    font-size:1rem;
    font-weight:600;
    color:var(--text);
    line-height:1.5;
    display:-webkit-box;
    -webkit-line-clamp:1;
    -webkit-box-orient:vertical;
    overflow:hidden;
    transition:color .2s ease;
  }
  .news-slice:hover .news-title{
    color:var(--accent);
  }
  .news-desc{
    margin-top:7px;
    color:var(--text-secondary);
    font-size:.9rem;
    line-height:1.7;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .news-arrow{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:34px;
    height:34px;
    border-radius:99px;
    font-size:1.05rem;
    color:var(--text-secondary);
    background:rgba(255,255,255,.04);
    flex-shrink:0;
    margin-top:8px;
    transition:color .2s ease,background .2s ease,transform .2s ease;
  }
  .news-slice:hover .news-arrow{
    background:rgba(200,241,105,.12);
    color:var(--accent);
    transform:translateX(4px);
  }
  .empty-card{
    display:flex;
    align-items:center;
    justify-content:center;
    min-height:220px;
    border-radius:var(--radius-md);
    background:var(--bg-card);
    font-size:1rem;
    color:var(--text-secondary);
    text-align:center;
    line-height:1.8;
    padding:30px;
  }
  .news-side{
    position:sticky;
    top:130px;
  }
  .feature-card{
    position:relative;
    overflow:hidden;
    border-radius:18px;
    min-height:420px;
    display:flex;
    align-items:flex-end;
    background:var(--bg-card);
    isolation:isolate;
  }
  .feature-card img{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    object-fit:cover;
    z-index:-2;
  }
  .feature-card::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(11,14,20,.02) 20%,rgba(11,14,20,.9) 100%);
    z-index:-1;
  }
  .feature-card-body{
    padding:28px;
    color:var(--text);
  }
  .feature-card-body h3{
    font-size:1.7rem;
    margin-bottom:10px;
    max-width:13em;
  }
  .feature-card-body p{
    color:rgba(255,255,255,.76);
    font-size:.95rem;
    margin-bottom:18px;
    max-width:30em;
  }
  .feature-link{
    display:inline-flex;
    align-items:center;
    gap:9px;
    color:var(--accent);
    font-weight:700;
    font-size:1rem;
  }
  .feature-link:hover .link-arrow{
    transform:translateX(5px);
  }
  .link-arrow{
    transition:transform .2s ease;
  }
  .small-feature{
    background:var(--bg-card);
    border:1px solid var(--line-soft);
    border-radius:16px;
    padding:24px;
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    min-height:176px;
    transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .small-feature:hover{
    transform:translateY(-4px);
    border-color:rgba(200,241,105,.26);
    box-shadow:var(--shadow-card);
  }
  .feature-icon{
    width:36px;
    height:36px;
    border-radius:10px;
    background:rgba(200,241,105,.13);
    color:var(--accent);
    display:flex;
    align-items:center;
    justify-content:center;
    margin-bottom:14px;
  }
  .feature-icon svg{
    width:20px;
    height:20px;
  }
  .small-feature h3{
    font-size:1.03rem;
    margin-bottom:7px;
  }
  .small-feature p{
    color:var(--text-secondary);
    font-size:.9rem;
    line-height:1.7;
    flex:1;
  }
  .small-feature .inline-link{
    margin-top:14px;
    color:var(--text-secondary);
    font-size:.9rem;
    font-weight:600;
    display:inline-flex;
    gap:5px;
  }
  .small-feature:hover .inline-link{
    color:var(--accent);
  }
  .icon-btn{
    width:22px;
    height:22px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    transition:transform .2s ease;
  }
  .cmp-section{
    background:var(--paper);
    color:#171A1F;
  }
  .cmp-section .section-desc,
  .cmp-section .section-tag{
    color:#5C6269;
  }
  .paper-panel{
    border-radius:24px;
    background:transparent;
    padding:10px 0 30px;
  }
  .paper-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:22px;
    align-items:stretch;
  }
  .cmp-column{
    background:#fff;
    border:1px solid var(--line-paper);
    border-radius:16px;
    padding:24px;
    display:flex;
    flex-direction:column;
    transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
  }
  .cmp-column.col-highlight{
    border:2px solid var(--accent);
    box-shadow:0 14px 30px rgba(23,19,15,.1);
    background:#fff;
  }
  .cmp-column.col-highlight{
    padding:23px;
  }
  .label-tag{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:.76rem;
    font-weight:700;
    background:rgba(200,241,105,.28);
    color:#3B3A1A;
    padding:5px 10px;
    border-radius:var(--radius-pill);
    margin-bottom:16px;
  }
  .cmp-column h3{
    font-size:1.45rem;
    font-weight:800;
    margin-bottom:15px;
    letter-spacing:-.02em;
  }
  .cmp-column ul{
    display:flex;
    flex-direction:column;
    gap:0;
    margin-bottom:22px;
    flex:1;
  }
  .cmp-column li{
    display:flex;
    gap:10px;
    padding:13px 0;
    border-bottom:1px solid #eee9E2;
    font-size:.92rem;
    line-height:1.75;
    color:#374151;
  }
  .cmp-column li:last-child{
    border-bottom:none;
  }
  .cmp-column li b{
    color:#20262B;
    font-weight:700;
    white-space:nowrap;
  }
  .cmp-btn{
    display:inline-flex;
    justify-content:center;
    align-items:center;
    height:42px;
    border-radius:var(--radius-pill);
    border:1px solid #cfdad0;
    font-size:.88rem;
    font-weight:700;
    padding:0 18px;
    color:#262A2F;
    transition:border-color .2s ease,background .2s,color .2s;
  }
  .cmp-btn:hover{
    border-color:var(--accent);
    background:rgba(200,241,105,.17);
    color:#16191D;
  }
  .cmp-btn.dark-btn{
    background:#2B2F23;
    border-color:#2B2F23;
    color:#fff;
  }
  .cmp-btn.dark-btn:hover{
    background:#20241D;
  }
  .register-area{
    position:relative;
    overflow:hidden;
    padding-top:clamp(66px,7vw,104px);
    padding-bottom:clamp(66px,7vw,104px);
  }
  .register-bg{
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-3.webp');
    background-size:cover;
    background-position:center;
  }
  .register-veil{
    position:absolute;
    inset:0;
    background:rgba(11,14,20,.84);
  }
  .register-card{
    position:relative;
    background:rgba(18,22,31,.88);
    border:1px solid var(--line-soft);
    border-radius:22px;
    backdrop-filter:blur(4px);
    -webkit-backdrop-filter:blur(4px);
    padding:30px;
    max-width:650px;
    width:100%;
  }
  .register-card h2{
    font-size:clamp(1.4rem,2vw,1.95rem);
    margin-bottom:10px;
  }
  .register-card p{
    color:var(--text-secondary);
    margin-bottom:26px;
    font-size:.95rem;
  }
  .form-row{
    display:flex;
    flex-direction:column;
    gap:14px;
  }
  .input-box{
    display:flex;
    align-items:center;
    background:#10141C;
    border:1px solid rgba(255,255,255,.1);
    border-radius:9px;
    height:50px;
    padding:0 7px 0 18px;
    transition:border-color .2s ease;
  }
  .input-box input{
    flex:1;
    border:none;
    background:transparent;
    height:100%;
    line-height:1.4;
    min-width:0;
  }
  .input-box input::placeholder{
    color:#6E7886;
  }
  .input-box:focus-within{
    border-color:var(--accent);
  }
  .register-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    height:48px;
    background:var(--accent);
    color:var(--accent-ink);
    border-radius:var(--radius-pill);
    font-weight:700;
    padding:0 22px;
    border:1px solid var(--accent);
    transition:background .2s ease,transform .2s ease;
  }
  .register-btn:hover{
    background:var(--accent-strong);
    transform:translateY(-1px);
  }
  .form-note{
    display:flex;
    align-items:center;
    gap:8px;
    margin-top:14px;
    font-size:.8rem;
    color:var(--text-secondary);
    line-height:1.5;
  }
  .faq-list{
    border-top:1px solid var(--line-soft);
    margin-top:18px;
  }
  .faq-item{
    border-bottom:1px solid var(--line-soft);
  }
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    min-height:60px;
    padding:15px 0;
    text-align:left;
    font-size:1rem;
    font-weight:600;
    color:var(--text);
    line-height:1.5;
  }
  .faq-icon{
    width:30px;
    height:30px;
    flex-shrink:0;
    border-radius:99px;
    background:rgba(255,255,255,.04);
    border:1px solid var(--line-soft);
    color:var(--accent);
    display:flex;
    align-items:center;
    justify-content:center;
    position:relative;
    transition:border-color .2s ease,background .2s ease;
  }
  .faq-icon::after{
    content:"";
    width:8px;
    height:8px;
    border-right:1.6px solid currentColor;
    border-bottom:1.6px solid currentColor;
    transform:rotate(45deg) translateY(-2px);
    transition:transform .25s ease;
  }
  .faq-item.open .faq-icon::after{
    transform:rotate(225deg) translate(0,0);
  }
  .faq-q:hover .faq-icon{
    border-color:rgba(200,241,105,.4);
    background:rgba(200,241,105,.08);
  }
  .faq-a{
    display:none;
    padding:0 4px 20px 0;
    max-width:54em;
    color:var(--text-secondary);
    font-size:.94rem;
    line-height:1.9;
  }
  .faq-item.open .faq-a{
    display:block;
  }
  .footer{
    border-top:1px solid var(--line-soft);
    background:var(--bg-soft);
  }
  .footer p,
  .footer li{
    color:var(--text-secondary);
    font-size:.9rem;
    line-height:1.8;
  }
  .footer a{
    color:var(--text-secondary);
    transition:color .2s;
  }
  .footer a:hover{
    color:var(--accent);
  }
  .footer .bottom-line{
    border-top:1px solid var(--line-soft);
    margin-top:42px;
    padding-bottom:24px;
  }
  .footer .bottom-line{
    display:flex;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:10px 20px;
    font-size:.8rem;
  }
  .footer-columns{
    display:grid;
    grid-template-columns:1.6fr .9fr 1fr;
    gap:34px;
  }
  .footer-logo{
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:16px;
  }
  .footer-logo .brand-badge{
    width:28px;
    height:28px;
  }
  .footer-logo .brand-name{
    font-size:1.2rem;
  }
  .footer-sub{
    max-width:32em;
  }
  .footer-title{
    font-size:.92rem;
    font-weight:700;
    margin-bottom:14px;
    color:var(--text);
  }
  .footer-links{
    display:flex;
    flex-direction:column;
    gap:10px;
  }
  .legal-text{
    max-width:42em;
    margin-top:18px;
    font-size:.8rem;
    color:#7A8494;
  }
  @media (max-width:1080px){
    .main-nav a{
      padding:0 9px;
      font-size:.85rem;
    }
    .brand-name{
      font-size:.93rem;
    }
    .dock-nav{
      padding-left:12px;
    }
  }
  @media (max-width:1023px){
    .main-nav{
      gap:2px;
    }
    .paper-grid{
      gap:16px;
    }
    .cmp-column{
      padding:18px;
    }
  }
  @media (max-width:767px){
    .doc-header{
      top:auto;
      bottom:16px;
      left:12px;
      right:12px;
      padding:0;
    }
    .dock-nav{
      height:56px;
      max-width:100%;
      border-radius:var(--radius-pill);
      gap:4px;
      padding-left:14px;
      padding-right:8px;
    }
    .brand-badge{
      width:24px;
      height:24px;
      border-radius:6px;
    }
    .brand-name{
      font-size:.9rem;
    }
    .main-nav{
      display:none;
    }
    .nav-cta{
      height:36px;
      padding:0 13px;
      font-size:.84rem;
      margin-left:auto;
    }
    .menu-btn{
      display:inline-flex;
    }
    .mobile-menu.open{
      display:block;
    }
    .hero{
      padding:72px 0 70px;
      min-height:auto;
    }
    .hero-eyebrow{
      font-size:.78rem;
      padding:6px 12px;
      margin-bottom:20px;
    }
    .hero-aside{
      display:none;
    }
    .hero-veil{
      background:linear-gradient(180deg,rgba(11,14,20,.64) 0%,rgba(11,14,20,.85) 70%,rgba(11,14,20,.98) 100%);
    }
    .news-side{
      position:static;
    }
    .news-slice{
      flex-direction:column;
      gap:8px;
      padding-left:18px;
    }
    .news-pin{
      left:12px;
      top:30px;
    }
    .news-arrow{
      display:none;
    }
    .feature-card{
      min-height:350px;
    }
    .feature-card-body h3{
      font-size:1.3rem;
    }
    .cmp-section{
      background:var(--paper);
    }
    .paper-grid{
      grid-template-columns:1fr;
      gap:16px;
    }
    .cmp-column.col-highlight{
      order:-1;
      border-color:var(--accent);
    }
    .register-card{
      padding:22px;
    }
    .form-row{
      flex-direction:column;
    }
    .footer-columns{
      grid-template-columns:1fr;
      gap:28px;
    }
    .footer .bottom-line{
      flex-direction:column;
      align-items:flex-start;
      gap:6px;
    }
  }
  @media (max-width:480px){
    .dock-nav{
      padding-left:10px;
    }
    .brand-badge{
      display:none;
    }
    .brand-name{
      font-size:.82rem;
    }
    .nav-cta{
      font-size:.78rem;
      padding:0 11px;
      height:34px;
    }
    .menu-btn span{
      font-size:.78rem;
    }
  }

/* roulang page: article */
:root {
  --bg: #0B0E14;
  --bg-2: #12161F;
  --surface: #161B24;
  --surface-light: #1B2230;
  --line: rgba(255, 255, 255, .08);
  --line-dark: rgba(255, 255, 255, .12);
  --paper: #E9E7E2;
  --paper-2: #F4F3EF;
  --ink: #20242B;
  --ink-soft: #4B5563;
  --primary: #C8F169;
  --primary-hover: #D8FB85;
  --on-primary: #131F08;
  --amber: #F4C75B;
  --text: #F0F4F8;
  --muted: #9AA6B8;
  --disabled: #5B6472;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;
  --shadow-dock: 0 8px 24px rgba(0, 0, 0, .35);
  --shadow-card: 0 12px 32px rgba(0, 0, 0, .28);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
  min-height: 100vh;
  text-rendering: optimizeLegibility;
}

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

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

button,
input {
  font-family: inherit;
}

ul,
ol,
dl,
p,
figure,
blockquote {
  margin-top: 0;
}

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

.container {
  width: min(1200px, 100% - 48px);
  margin-inline: auto;
  max-width: 1200px;
}

.section {
  padding: clamp(68px, 8vw, 110px) 0;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 2000;
  background: var(--primary);
  color: var(--on-primary);
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  transition: top .2s var(--ease);
}

.skip-link:focus {
  top: 16px;
}

/* ========= 站点导航 ========= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 120;
  padding: 14px clamp(16px, 4vw, 48px) 0;
  pointer-events: none;
}

.dock-nav {
  pointer-events: auto;
  max-width: 1080px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 8px 8px 16px;
  border-radius: 18px;
  background: rgba(11, 14, 20, .78);
  border: 1px solid rgba(255, 255, 255, .10);
  box-shadow: var(--shadow-dock);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.dock-nav.is-scrolled {
  background: rgba(9, 12, 18, .92);
  border-color: rgba(255, 255, 255, .14);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--text);
}

.brand-badge {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  background: var(--primary);
  color: var(--on-primary);
}

.brand-badge svg {
  width: 16px;
  height: 16px;
}

.brand-name {
  font-weight: 800;
  font-size: 1.03rem;
  letter-spacing: .02em;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-inline: auto;
}

.main-nav a {
  position: relative;
  padding: 8px 13px;
  font-size: .92rem;
  font-weight: 500;
  color: var(--muted);
  border-radius: 999px;
  transition: color .2s var(--ease), background .2s var(--ease);
  white-space: nowrap;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .22s var(--ease);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text);
  background: rgba(255, 255, 255, .04);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

.nav-aside {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.nav-cta {
  height: 38px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 700;
  font-size: .9rem;
  white-space: nowrap;
  transition: background .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}

.nav-cta:hover {
  background: var(--primary-hover);
  color: var(--on-primary);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(200, 241, 105, .22);
}

.menu-toggle {
  display: none;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  border-radius: 999px;
  cursor: pointer;
  padding: 0;
}

.menu-toggle svg {
  width: 18px;
  height: 18px;
}

/* ========= Hero / 文章首屏 ========= */
.article-hero {
  position: relative;
  padding: clamp(134px, 22vh, 190px) 0 58px;
  overflow: hidden;
  background-color: var(--bg);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center;
  opacity: .42;
}

.hero-mask {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(11, 14, 20, .96) 0%, rgba(11, 14, 20, .82) 44%, rgba(11, 14, 20, .48) 100%),
    linear-gradient(180deg, rgba(11, 14, 20, .25) 0%, rgba(11, 14, 20, .9) 100%);
}

.article-hero__inner {
  position: relative;
  width: min(1080px, 100% - 40px);
  margin-inline: auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .85rem;
  color: var(--muted);
  margin-bottom: 24px;
}

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

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

.breadcrumb .sep {
  color: var(--disabled);
  user-select: none;
}

.breadcrumb .cur {
  color: var(--muted);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-category-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(200, 241, 105, .12);
  border: 1px solid rgba(200, 241, 105, .25);
  color: var(--primary);
  font-size: .8rem;
  font-weight: 600;
  margin-bottom: 17px;
}

.article-title {
  margin: 0;
  font-size: clamp(2rem, 4.4vw, 3.9rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 900px;
  color: var(--text);
  text-wrap: balance;
}

.article-meta {
  margin-top: 24px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 22px;
  color: var(--muted);
  font-size: .88rem;
}

.meta-divider {
  width: 1px;
  height: 14px;
  background: var(--line);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.meta-item svg {
  width: 15px;
  height: 15px;
  color: var(--disabled);
}

.meta-item time,
.meta-item .meta-mono {
  font-family: var(--mono);
  font-size: .85rem;
  color: var(--text);
}

/* ========= 正文阅读 ========= */
.article-read {
  padding: 64px 0 72px;
  background: var(--bg);
}

.article-sheet {
  margin-inline: auto;
  max-width: 780px;
  background: var(--paper);
  border-radius: 14px;
  padding: clamp(26px, 5vw, 54px) clamp(22px, 5vw, 58px);
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .02);
}

.zc-article {
  font-size: 1.02rem;
  line-height: 1.9;
}

.zc-article h2 {
  margin: 44px 0 18px;
  font-size: 1.52rem;
  font-weight: 700;
  line-height: 1.45;
  color: #171B21;
  padding-left: 14px;
  border-left: 3px solid #bde26b;
}

.zc-article h3 {
  margin: 34px 0 14px;
  font-size: 1.16rem;
  font-weight: 700;
  line-height: 1.5;
  color: #171B21;
  padding-left: 11px;
  border-left: 3px solid #d6eebd;
}

.zc-article p {
  margin: 0 0 1.05em;
  color: #343941;
}

.zc-article a {
  color: #405d0b;
  border-bottom: 1px solid rgba(64, 93, 11, .32);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.zc-article a:hover {
  color: #263400;
  border-color: currentColor;
}

.zc-article ul,
.zc-article ol {
  padding-left: 1.45em;
  margin: 0 0 1.35em;
}

.zc-article li {
  margin: .35em 0;
}

.zc-article img {
  border-radius: 10px;
  margin: 30px 0;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: #d8d4cc;
}

.zc-article blockquote {
  margin: 34px 0;
  padding: 18px 24px;
  border-left: 3px solid #bde26b;
  border-radius: 0 12px 12px 0;
  background: rgba(11, 14, 20, .05);
  color: #3b3f47;
  font-weight: 600;
  font-size: 1.04rem;
  line-height: 1.85;
}

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

.zc-article pre {
  background: #161B24;
  color: #F0F4F8;
  padding: 20px;
  border-radius: 12px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: .88rem;
  line-height: 1.7;
  margin: 30px 0;
}

.zc-article code {
  font-family: var(--mono);
  background: rgba(11, 14, 20, .06);
  border-radius: 4px;
  padding: .15em .4em;
  font-size: .9em;
}

.zc-article pre code {
  background: transparent;
  padding: 0;
}

.zc-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 26px 0;
  font-size: .95rem;
}

.zc-article th,
.zc-article td {
  border: 1px solid #D8D4CC;
  padding: 11px 14px;
  text-align: left;
}

.zc-article th {
  background: #EFEDE7;
  font-weight: 700;
}

/* ========= 文章标签 ========= */
.article-tags-section {
  padding: 0 0 68px;
  background: var(--bg);
}

.tags-wrap {
  max-width: 780px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.tags-title {
  font-size: .84rem;
  color: var(--muted);
  margin-right: 4px;
  letter-spacing: .05em;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(200, 241, 105, .08);
  border: 1px solid rgba(200, 241, 105, .18);
  color: var(--primary);
  font-size: .82rem;
  font-weight: 600;
  transition: background .2s var(--ease), transform .2s var(--ease), border-color .2s var(--ease);
}

.tag-chip:hover {
  background: rgba(200, 241, 105, .18);
  border-color: rgba(200, 241, 105, .4);
  transform: translateY(-1px);
}

/* ========= 延伸阅读区 ========= */
.related-section {
  background: var(--bg-2);
  border-top: 1px solid rgba(255, 255, 255, .04);
  padding: clamp(64px, 8vw, 92px) 0 70px;
}

.related-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 30px;
}

.section-eyebrow {
  font-size: .82rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 12px;
  font-weight: 700;
}

.section-title {
  margin: 0;
  font-size: clamp(1.45rem, 2.6vw, 2.1rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--text);
}

.section-desc {
  max-width: 450px;
  color: var(--muted);
  font-size: .94rem;
  margin: 0 0 2px;
  line-height: 1.7;
}

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

.related-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: background .2s var(--ease), transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.related-card:hover {
  transform: translateY(-3px);
  background: #19202C;
  border-color: rgba(200, 241, 105, .28);
  box-shadow: var(--shadow-card);
}

.related-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.related-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s var(--ease);
}

.related-card:hover .related-thumb img {
  transform: scale(1.03);
}

.related-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 20px;
}

.related-body h3 {
  font-size: 1rem;
  line-height: 1.5;
  margin: 0 0 10px;
  font-weight: 700;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .2s var(--ease);
}

.related-card:hover .related-body h3 {
  color: var(--primary);
}

.related-body p {
  font-size: .89rem;
  color: var(--muted);
  margin: 0 0 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.7;
}

.related-cat {
  font-size: .75rem;
  color: var(--primary);
  margin-bottom: 10px;
  font-weight: 600;
}

.related-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.related-footer time {
  font-family: var(--mono);
  font-size: .76rem;
  color: var(--disabled);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text);
  font-size: .85rem;
  font-weight: 600;
}

.text-link span {
  transition: transform .2s var(--ease);
}

.text-link:hover {
  color: var(--primary);
}

.text-link:hover span {
  transform: translateX(4px);
}

/* ========= 文章底部 CTA ========= */
.end-cta-section {
  padding: clamp(64px, 8vw, 92px) 0;
  background: var(--bg);
}

.end-cta-card {
  position: relative;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(200, 241, 105, .16), rgba(11, 14, 20, .9) 60%),
    url("/assets/images/backpic/back-2.png") center / cover no-repeat;
  padding: clamp(32px, 6vw, 64px);
  overflow: hidden;
  border: 1px solid rgba(200, 241, 105, .14);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.end-cta-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(11, 14, 20, .34);
}

.end-cta-info {
  position: relative;
  z-index: 1;
  max-width: 600px;
}

.end-cta-info h2 {
  color: #fff;
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  font-weight: 800;
  line-height: 1.35;
}

.end-cta-info p {
  color: rgba(255, 255, 255, .78);
  font-size: 1rem;
  margin: 0;
}

.end-cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* ========= 空状态 ========= */
.empty-block {
  max-width: 680px;
  margin: 80px auto 110px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(38px, 7vw, 80px) 28px;
  text-align: center;
}

.empty-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 18px;
  border-radius: 14px;
  background: rgba(200, 241, 105, .1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

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

.empty-block h2 {
  color: var(--text);
  font-size: 1.35rem;
  margin: 0 0 10px;
  font-weight: 700;
}

.empty-block p {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: .97rem;
}

/* ========= 按钮 ========= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .94rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: var(--on-primary);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(200, 241, 105, .2);
}

.btn-ghost {
  background: rgba(255, 255, 255, .03);
  border-color: rgba(255, 255, 255, .18);
  color: var(--text);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, .07);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}

/* ========= 页脚 ========= */
.footer {
  background: var(--bg-2);
  border-top: 1px solid rgba(255, 255, 255, .06);
}

.footer-columns {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px 52px;
  padding-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-logo .brand-badge {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.footer-logo .brand-name {
  font-size: 1rem;
  color: var(--text);
}

.footer-sub {
  color: var(--muted);
  font-size: .89rem;
  line-height: 1.8;
  margin: 0 0 12px;
  max-width: 420px;
}

.footer-title {
  color: var(--text);
  font-weight: 700;
  font-size: .94rem;
  margin: 0 0 16px;
}

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

.footer-links a {
  color: var(--muted);
  font-size: .9rem;
  transition: color .2s var(--ease);
}

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

.legal-text {
  color: var(--disabled);
  font-size: .78rem;
  line-height: 1.75;
  margin: 16px 0 0;
  max-width: 460px;
}

.bottom-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--disabled);
  font-size: .78rem;
}

.bottom-line span + span::before {
  content: "·";
  margin-right: 8px;
  color: var(--disabled);
  opacity: .6;
}

@media (max-width: 1024px) {
  .related-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .related-body {
    padding: 16px;
  }
}

@media (max-width: 900px) {
  .menu-toggle {
    display: inline-flex;
  }

  .dock-nav {
    padding: 8px 8px 8px 12px;
  }

  .main-nav {
    display: none;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    position: fixed;
    z-index: 99;
    inset: 16px 16px 24px;
    background: rgba(10, 13, 19, .96);
    border: 1px solid var(--line);
    backdrop-filter: blur(18px);
    border-radius: 20px;
    padding: 70px 20px 26px;
    margin: 0;
    overflow-y: auto;
  }

  .main-nav.open a {
    font-size: 1.05rem;
    padding: 14px 16px;
    border-radius: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, .05);
  }

  .main-nav.open a::after {
    display: none;
  }

  .brand-name {
    font-size: .96rem;
  }

  .nav-cta {
    height: 36px;
    padding: 0 14px;
    font-size: .85rem;
  }

  .end-cta-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .end-cta-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 768px) {
  .container {
    width: min(100% - 32px, 1200px);
  }

  .article-hero {
    padding-top: 120px;
  }

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

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

  .article-meta {
    gap: 8px 14px;
  }

  .meta-divider {
    display: none;
  }

  .article-title {
    font-size: clamp(1.6rem, 6vw, 2.5rem);
  }
}

@media (max-width: 560px) {
  .dock-nav {
    border-radius: 16px;
  }

  .nav-cta span {
    display: none;
  }

  .nav-cta {
    width: 38px;
    height: 38px;
    padding: 0;
    font-size: .88rem;
    background: var(--primary);
    color: var(--on-primary);
  }

  .brand-name {
    font-size: .9rem;
  }

  .brand-badge {
    width: 26px;
    height: 26px;
  }

  .article-sheet {
    padding: 24px 20px;
    border-radius: 10px;
  }

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

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

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

  .breadcrumb .cur {
    max-width: 180px;
  }

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

  .bottom-line span + span::before {
    display: none;
  }
}

/* roulang page: category1 */
:root {
    --page: #0B0E14;
    --raises: #12161F;
    --paper: #E9E7E2;
    --card: #161B24;
    --card-border: rgba(255, 255, 255, 0.08);
    --accent: #C8F169;
    --accent-hover: #D8FB85;
    --accent-text: #131F08;
    --accent-soft: rgba(200, 241, 105, 0.14);
    --amber: #F4C75B;
    --main-text: #F0F4F8;
    --secondary-text: #9AA6B8;
    --disabled-text: #5B6472;
    --deep-border: rgba(255, 255, 255, 0.08);
    --paper-border: #D8D4CC;
    --radius-xs: 4px;
    --radius-md: 10px;
    --radius-pill: 999px;
    --shadow-dock: 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-lift: 0 12px 32px rgba(0, 0, 0, 0.28);
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background: var(--page);
    color: var(--main-text);
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

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

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

  button,
  input {
    font: inherit;
    outline: none;
  }

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

  .wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  .read-wrap {
    max-width: 780px;
    margin: 0 auto;
  }

  .section-pad {
    padding-top: clamp(72px, 8vw, 110px);
    padding-bottom: clamp(72px, 8vw, 110px);
  }

  .section-title {
    font-size: clamp(1.6rem, 2.6vw, 2.5rem);
    font-weight: 650;
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin: 0 0 16px;
  }

  .section-subtitle {
    color: var(--secondary-text);
    font-size: 1.02rem;
    max-width: 720px;
    margin: 0;
  }

  .section-head {
    margin-bottom: 40px;
    position: relative;
  }

  .overline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 14px;
  }

  .overline::before {
    content: "";
    width: 18px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    padding: 0 26px;
    height: 48px;
    font-size: 0.98rem;
    font-weight: 600;
    transition: all 220ms var(--ease);
    cursor: pointer;
  }

  .btn-primary {
    background: var(--accent);
    color: var(--accent-text);
  }

  .btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(200, 241, 105, 0.12);
  }

  .btn-ghost {
    background: rgba(255, 255, 255, 0.02);
    border-color: rgba(240, 244, 248, 0.24);
    color: var(--main-text);
  }

  .btn-ghost:hover {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.05);
  }

  .chip {
    display: inline-flex;
    align-items: center;
    border-radius: 6px;
    background: var(--accent-soft);
    color: var(--accent);
    padding: 3px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    line-height: 1.6;
  }

  .mini-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    padding: 0 13px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(240, 244, 248, 0.14);
    color: var(--secondary-text);
    font-size: 0.82rem;
    background: rgba(255, 255, 255, 0.02);
    white-space: nowrap;
  }

  .mini-tag.active {
    color: var(--accent);
    border-color: rgba(200, 241, 105, 0.45);
    background: rgba(200, 241, 105, 0.08);
  }

  .card {
    background: var(--card);
    border: 1px solid var(--deep-border);
    border-radius: var(--radius-md);
    transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
  }

  .card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lift);
    border-color: rgba(200, 241, 105, 0.25);
  }

  .header {
    position: fixed;
    top: 12px;
    left: 0;
    right: 0;
    z-index: 50;
    padding: 0 16px;
    pointer-events: none;
  }

  .header .dock {
    pointer-events: auto;
    max-width: 1140px;
    margin: 0 auto;
    height: 64px;
    display: flex;
    align-items: center;
    gap: 22px;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    padding-left: 14px;
    padding-right: 14px;
    background: transparent;
    transition: background 240ms var(--ease), border-color 240ms var(--ease), box-shadow 240ms var(--ease);
  }

  .header.scrolled .dock {
    background: rgba(11, 14, 20, 0.78);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-dock);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
  }

  .dock-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
    min-width: 0;
    font-size: 1rem;
    font-weight: 650;
    color: var(--main-text);
    letter-spacing: -0.01em;
  }

  .brand-badge {
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(200, 241, 105, 0.45);
    background: var(--page);
    border-radius: 10px;
    color: var(--accent);
  }

  .brand-badge svg {
    width: 17px;
    height: 17px;
  }

  .dock-brand .brand-name {
    white-space: nowrap;
  }

  .main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex: 1 1 auto;
  }

  .main-nav a {
    position: relative;
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    font-size: 0.93rem;
    color: var(--secondary-text);
    transition: color 200ms var(--ease);
  }

  .main-nav a:hover {
    color: var(--main-text);
  }

  .main-nav a::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: -1px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 200ms var(--ease);
  }

  .main-nav a:hover::after {
    transform: scaleX(1);
  }

  .main-nav a.active {
    color: var(--main-text);
    font-weight: 600;
  }

  .main-nav a.active::after {
    transform: scaleX(1);
  }

  .nav-cta {
    height: 38px;
    display: inline-flex;
    align-items: center;
    padding: 0 20px;
    background: var(--accent);
    color: var(--accent-text) !important;
    border-radius: var(--radius-pill);
    border: none;
    font-size: 0.9rem;
    font-weight: 650;
    margin-left: 6px;
    transition: background 200ms var(--ease), transform 200ms var(--ease);
  }

  .nav-cta:hover {
    background: var(--accent-hover) !important;
    color: var(--accent-text) !important;
    transform: translateY(-1px);
  }

  .nav-cta::after,
  .main-nav .nav-cta::after {
    display: none;
  }

  .burger {
    display: none;
    width: 44px;
    height: 44px;
    margin-left: 4px;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    background: rgba(11, 14, 20, 0.55);
    color: var(--main-text);
    cursor: pointer;
  }

  .burger svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
  }

  .hero {
    min-height: 92vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 130px 0 70px;
    margin-top: 0;
  }

  .hero .hero-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
  }

  .hero .hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .hero .hero-dark {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(115deg, rgba(11, 14, 20, 0.95) 0%, rgba(11, 14, 20, 0.82) 46%, rgba(11, 14, 20, 0.52) 100%);
  }

  .hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 0 24px;
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 36px;
    align-items: center;
  }

  .hero-main {
    max-width: 680px;
  }

  .hero .eyebrow {
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .hero .eyebrow::after {
    content: "";
    width: 36px;
    height: 1px;
    background: rgba(200, 241, 105, 0.35);
  }

  .hero h1 {
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.06;
    letter-spacing: -0.02em;
    margin: 0 0 24px;
    color: var(--main-text);
  }

  .hero .hero-copy {
    font-size: 1.08rem;
    line-height: 1.8;
    color: var(--secondary-text);
    margin: 0 0 34px;
    max-width: 620px;
  }

  .hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
  }

  .hero-panel {
    width: 100%;
    min-height: 330px;
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lift);
  }

  .hero-panel img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .hero-panel::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 14, 20, 0.06), rgba(11, 14, 20, 0.86));
  }

  .hero-panel .panel-caption {
    position: absolute;
    z-index: 2;
    left: 20px;
    right: 20px;
    bottom: 18px;
    color: #fff;
    font-size: 0.92rem;
    font-weight: 600;
  }

  .stage-line {
    border-top: 1px solid var(--deep-border);
    border-bottom: 1px solid var(--deep-border);
    padding: 24px 0;
    margin-bottom: clamp(72px, 8vw, 110px);
  }

  .tag-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
  }

  .tag-row .label {
    color: var(--disabled-text);
    font-size: 0.86rem;
    letter-spacing: 0.04em;
    margin-right: 6px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .tag-row .label::after {
    content: "";
    width: 1px;
    height: 14px;
    background: var(--deep-border);
    margin-left: 4px;
  }

  .mass-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.26fr) minmax(0, 0.74fr);
    gap: 24px;
  }

  .big-feature {
    min-height: 520px;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: var(--card);
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.22);
  }

  .big-feature .media {
    flex: 1 1 auto;
    position: relative;
    overflow: hidden;
    min-height: 300px;
  }

  .big-feature .media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
  }

  .big-feature .media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 14, 20, 0) 42%, rgba(11, 14, 20, 0.78) 100%);
  }

  .big-feature .content {
    padding: 26px 28px 28px;
    position: relative;
    z-index: 2;
  }

  .big-feature .content h3 {
    font-size: clamp(1.25rem, 1.8vw, 1.75rem);
    font-weight: 660;
    line-height: 1.35;
    letter-spacing: -0.01em;
    margin: 12px 0 12px;
  }

  .big-feature .content p {
    margin: 0 0 10px;
    color: var(--secondary-text);
    line-height: 1.82;
    max-width: 640px;
  }

  .stacked-card {
    padding: 26px 24px;
    border-radius: var(--radius-md);
  }

  .stacked-card + .stacked-card {
    margin-top: 24px;
  }

  .stacked-card .icon-box {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--accent-soft);
    color: var(--accent);
    margin-bottom: 16px;
  }

  .stacked-card .icon-box svg {
    width: 20px;
    height: 20px;
  }

  .stacked-card h3 {
    font-size: 1.04rem;
    font-weight: 650;
    margin: 0 0 8px;
    line-height: 1.4;
  }

  .stacked-card p {
    color: var(--secondary-text);
    margin: 0;
    font-size: 0.94rem;
    line-height: 1.7;
  }

  .stage-stack {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 42px;
  }

  .stage-item {
    border: 1px solid var(--deep-border);
    border-radius: 14px;
    background: var(--card);
    padding: 24px 20px 22px;
    min-height: 230px;
    position: relative;
  }

  .stage-item .num {
    font-family: "JetBrains Mono", ui-monospace, monospace;
    font-size: 0.76rem;
    letter-spacing: 0.12em;
    color: var(--accent);
    display: block;
    margin-bottom: 12px;
  }

  .stage-item h3 {
    font-size: 1.06rem;
    font-weight: 640;
    margin: 0 0 10px;
  }

  .stage-item p {
    font-size: 0.91rem;
    line-height: 1.75;
    color: var(--secondary-text);
    margin: 0;
  }

  .steps-wrap {
    counter-reset: step;
  }

  .step-card {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1px solid var(--deep-border);
    align-items: start;
  }

  .step-card:last-child {
    border-bottom: none;
  }

  .step-index {
    font-family: "JetBrains Mono", ui-monospace, monospace;
    font-size: 2rem;
    font-weight: 700;
    color: transparent;
    -webkit-text-stroke: 1px rgba(200, 241, 105, 0.7);
    letter-spacing: -0.04em;
    line-height: 1;
  }

  .step-card h3 {
    font-size: 1.12rem;
    font-weight: 640;
    margin: 0 0 8px;
  }

  .step-card p {
    color: var(--secondary-text);
    margin: 0;
    max-width: 680px;
  }

  .step-card .step-link {
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
    font-size: 0.94rem;
    margin-top: 10px;
    transition: gap 220ms var(--ease);
  }

  .step-card .step-link:hover {
    gap: 10px;
  }

  .paper-block {
    background: var(--paper);
    color: #1C2026;
    border-radius: 20px;
  }

  .paper-title {
    font-size: clamp(1.4rem, 2.2vw, 2.1rem);
    font-weight: 650;
    line-height: 1.28;
    margin: 0 0 10px;
  }

  .paper-block .intro {
    color: #5B6472;
    max-width: 720px;
    margin: 0 0 32px;
  }

  .cmp-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 14px;
    overflow: hidden;
    background: #F3F1ED;
  }

  .cmp-table th,
  .cmp-table td {
    text-align: left;
    padding: 16px 18px;
    border-bottom: 1px solid #D8D4CC;
    font-size: 0.95rem;
    vertical-align: top;
  }

  .cmp-table th {
    background: rgba(0, 0, 0, 0.03);
    font-weight: 650;
  }

  .cmp-table td {
    color: #3C434C;
  }

  .cmp-table .hot-cell {
    background: #FFFDF6;
    border-left: 2px solid #BBD967;
    border-right: 1px solid #D8D4CC;
  }

  .cmp-table .hot-cell th,
  .cmp-table .hot-cell td {
    background: #FFFDF6;
  }

  .cmp-table th.hot-head {
    background: #FFFDF6;
    border-left: 2px solid var(--accent);
    color: #17200A;
  }

  .cmp-table td {
    border-right: 1px solid #D8D4CC;
  }

  .cmp-table td:last-child {
    border-right: none;
  }

  .cmp-table tbody tr:last-child td {
    border-bottom: none;
  }

  .cmp-table strong {
    color: #161B24;
  }

  .faq-list {
    border-top: 1px solid var(--deep-border);
  }

  .faq-item {
    border-bottom: 1px solid var(--deep-border);
  }

  .faq-item summary {
    list-style: none;
    cursor: pointer;
    min-height: 62px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 10px 6px;
    font-weight: 600;
    font-size: 1.03rem;
    line-height: 1.5;
    transition: color 200ms var(--ease);
  }

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

  .faq-item summary::after {
    content: "+";
    flex: 0 0 auto;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: var(--accent);
    font-size: 1.5rem;
    font-weight: 400;
    transition: transform 220ms var(--ease), background 220ms var(--ease);
  }

  .faq-item[open] summary::after {
    transform: rotate(45deg);
    background: var(--accent-soft);
  }

  .faq-item .answer {
    padding: 0 44px 18px 6px;
    color: var(--secondary-text);
    line-height: 1.8;
    max-width: 860px;
  }

  .cta-zone {
    position: relative;
    overflow: hidden;
  }

  .cta-zone::before {
    content: "";
    position: absolute;
    inset: -30% -10% auto auto;
    width: 560px;
    height: 300px;
    background: radial-gradient(ellipse at center, rgba(200, 241, 105, 0.15), transparent 70%);
    pointer-events: none;
  }

  .cta-inner {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 44px;
    align-items: center;
  }

  .cta-copy h2 {
    font-size: clamp(1.9rem, 3vw, 2.8rem);
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 18px;
  }

  .cta-copy p {
    color: var(--secondary-text);
    max-width: 520px;
    margin: 0 0 24px;
  }

  .light-note {
    color: #5B6472;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
  }

  .light-note svg {
    width: 16px;
    height: 16px;
    color: var(--amber);
  }

  .notify-form {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--deep-border);
    border-radius: 18px;
    padding: 22px;
  }

  .form-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
  }

  .form-row input {
    flex: 1 1 220px;
    height: 48px;
    min-width: 180px;
    border: 1px solid var(--deep-border);
    background: #10141C;
    color: var(--main-text);
    border-radius: 9px;
    padding: 0 16px;
    font-size: 0.95rem;
    transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
  }

  .form-row input::placeholder {
    color: var(--disabled-text);
  }

  .form-row input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(200, 241, 105, 0.12);
  }

  .footer {
    border-top: 1px solid var(--deep-border);
  }

  .footer-columns {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.8fr) minmax(0, 1fr);
    gap: 42px;
  }

  .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    font-weight: 650;
    color: var(--main-text);
  }

  .brand-name {
    white-space: nowrap;
  }

  .footer-sub {
    color: var(--secondary-text);
    font-size: 0.92rem;
    line-height: 1.75;
    max-width: 460px;
    margin: 18px 0 0;
  }

  .footer-title {
    color: var(--main-text);
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 18px;
  }

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

  .footer-links a {
    cursor: pointer;
    color: var(--secondary-text);
    border-bottom: 1px solid transparent;
    transition: color 200ms var(--ease), border-color 200ms var(--ease);
  }

  .footer-links a:hover {
    color: var(--accent);
    border-color: rgba(200, 241, 105, 0.5);
  }

  .legal-text {
    color: var(--disabled-text);
    font-size: 0.78rem;
    line-height: 1.7;
    max-width: 480px;
    margin: 14px 0 0;
  }

  .bottom-line {
    border-top: 1px solid var(--deep-border);
    margin-top: 56px;
    padding: 18px 0 6px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: 0.76rem;
    color: var(--disabled-text);
    flex-wrap: wrap;
  }

  @media (max-width: 900px) {
    .hero-inner {
      grid-template-columns: 1fr;
    }

    .hero-panel {
      min-height: 230px;
    }

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

    .big-feature {
      min-height: 440px;
    }

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

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

    .cta-inner {
      grid-template-columns: 1fr;
      gap: 32px;
    }
  }

  @media (max-width: 780px) {
    .header {
      top: 10px;
    }

    .header .dock {
      padding: 0 8px 0 12px;
      gap: 12px;
      background: rgba(11, 14, 20, 0.88);
      border-color: rgba(255, 255, 255, 0.1);
      box-shadow: var(--shadow-dock);
      -webkit-backdrop-filter: blur(14px);
      backdrop-filter: blur(14px);
    }

    .header.scrolled .dock {
      box-shadow: 0 4px 18px rgba(0, 0, 0, 0.46);
    }

    .dock-brand .brand-name {
      font-size: 0.9rem;
    }

    .main-nav {
      position: fixed;
      inset: 0;
      background: rgba(11, 14, 20, 0.98);
      flex-direction: column;
      justify-content: center;
      gap: 10px;
      opacity: 0;
      visibility: hidden;
      transform: translateY(10px);
      transition: opacity 240ms var(--ease), visibility 240ms var(--ease), transform 240ms var(--ease);
      z-index: 98;
      padding: 80px 28px 32px;
      border-radius: 0;
    }

    body.menu-open .main-nav {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .main-nav a {
      font-size: 1.6rem;
      color: var(--main-text);
      padding: 14px 10px;
      width: 100%;
      text-align: center;
    }

    .main-nav a::after {
      left: 50%;
      right: 50%;
      width: 30px;
      bottom: 2px;
    }

    .main-nav a.active::after,
    .main-nav a:hover::after {
      left: calc(50% - 15px);
      right: calc(50% - 15px);
      transform: scaleX(1);
    }

    .nav-cta {
      margin-top: 14px;
      font-size: 1.2rem;
      height: 50px;
      width: 100%;
      justify-content: center;
    }

    .burger {
      display: inline-flex;
      position: relative;
      z-index: 99;
    }

    .hero {
      padding-top: 120px;
    }

    .hero .hero-copy {
      font-size: 1rem;
    }

    .hero-panel {
      min-height: 210px;
    }

    .step-card {
      grid-template-columns: 58px 1fr;
      gap: 16px;
    }

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

    .footer-links {
      flex-direction: column;
    }

    .cmp-table th,
    .cmp-table td {
      padding: 13px 10px;
      font-size: 0.88rem;
    }

    .cmp-table {
      display: block;
      overflow-x: auto;
      border-radius: 12px;
    }
  }

  @media (max-width: 560px) {
    .wrap {
      padding-left: 18px;
      padding-right: 18px;
    }

    .stage-stack {
      grid-template-columns: 1fr;
    }

    .footer-links {
      flex-flow: row wrap;
    }

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

    .stacked-card h3,
    .big-feature .content h3 {
      font-size: 1.15rem;
    }
  }

/* roulang page: category2 */
:root {
  --bg: #0B0E14;
  --surface: #12161F;
  --card: #161B24;
  --paper: #E9E7E2;
  --lime: #C8F169;
  --lime-deep: #131F08;
  --amber: #F4C75B;
  --text: #F0F4F8;
  --muted: #9AA6B8;
  --disabled: #5B6472;
  --line: rgba(255, 255, 255, 0.08);
  --paper-line: #D8D4CC;
  --radius-xs: 4px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --shadow-dock: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.28);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

main {
  display: block;
  overflow: hidden;
}

h1, h2, h3, h4, p, figure, ul, ol, dl, blockquote {
  margin-top: 0;
  margin-bottom: 0;
}

ul, ol {
  padding-left: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

button, input {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

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

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding-top: clamp(72px, 8vw, 110px);
  padding-bottom: clamp(72px, 8vw, 110px);
}

.section-tight {
  padding-top: 60px;
  padding-bottom: 60px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--lime);
  letter-spacing: 0.04em;
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  opacity: 0.8;
}

.eyebrow.centered {
  justify-content: center;
}

.section-h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.5rem);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--text);
}

.section-lead {
  margin-top: 18px;
  color: var(--muted);
  font-size: clamp(0.98rem, 1.2vw, 1.06rem);
  line-height: 1.8;
}

/* ========== Dock 导航 ========== */
.dock-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 120;
  display: flex;
  justify-content: center;
  padding: 0 16px;
}

.dock-shell {
  width: min(1080px, 100%);
  height: 68px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 10px 0 16px;
  background: rgba(11, 14, 20, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-dock);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.dock-header.is-scrolled .dock-shell {
  background: rgba(11, 14, 20, 0.92);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.48);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--text);
  font-weight: 700;
  font-size: 1.04rem;
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: block;
  border-radius: 10px;
  background: rgba(200, 241, 105, 0.09);
}

.brand-name {
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 auto;
}

.main-nav a {
  position: relative;
  display: block;
  padding: 9px 15px;
  border-radius: var(--radius-pill);
  color: rgba(240, 244, 248, 0.8);
  font-size: 0.93rem;
  font-weight: 500;
  line-height: 1.2;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 17px;
  right: 17px;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.22s var(--ease);
}

.main-nav a:hover {
  color: var(--text);
}

.main-nav a:hover::after {
  transform: scaleX(1);
}

.main-nav a.active {
  color: var(--text);
  font-weight: 600;
}

.main-nav a.active::after {
  transform: scaleX(1);
}

.dock-cta {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  background: var(--lime);
  color: var(--lime-deep);
  font-size: 0.92rem;
  font-weight: 700;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.dock-cta:hover {
  background: #D8FB85;
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 3px;
  background: var(--text);
  margin: 2px 0;
  display: block;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.menu-toggle:hover {
  background: rgba(200, 241, 105, 0.08);
  border-color: rgba(200, 241, 105, 0.4);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 30px;
  padding: 80px 28px 50px;
  background: rgba(11, 14, 20, 0.98);
  opacity: 0;
  pointer-events: none;
  transform: translateY(24px);
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-menu a {
  color: var(--text);
  font-size: 1.5rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
}

.mobile-menu a.active {
  color: var(--lime);
}

.mobile-menu .mobile-cta {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  height: 50px;
  background: var(--lime);
  color: var(--lime-deep);
  border-radius: var(--radius-pill);
  font-size: 1rem;
  font-weight: 700;
}

/* ========== 分类 Hero ========== */
.category-hero {
  position: relative;
  min-height: 660px;
  display: flex;
  align-items: center;
  padding-top: 170px;
  padding-bottom: 90px;
  background: var(--bg);
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: center 30%;
  opacity: 0.36;
  transform: scale(1.04);
}

.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(11, 14, 20, 0.98) 0%, rgba(11, 14, 20, 0.88) 38%, rgba(11, 14, 20, 0.42) 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  align-items: center;
  gap: clamp(40px, 6vw, 80px);
}

.hero-title {
  font-size: clamp(3.4rem, 7vw, 5.6rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.035em;
  margin: 0;
}

.hero-lead {
  margin-top: 24px;
  max-width: 540px;
  color: var(--text);
  font-size: clamp(1rem, 1.3vw, 1.14rem);
  line-height: 1.85;
}

.hero-note {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.94rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 26px;
  border-radius: var(--radius-pill);
  font-size: 0.96rem;
  font-weight: 700;
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease), color 0.22s var(--ease), transform 0.22s var(--ease);
}

.btn-primary {
  background: var(--lime);
  color: var(--lime-deep);
}

.btn-primary:hover {
  background: #D8FB85;
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.btn-ghost:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.hero-facts {
  margin-left: auto;
  width: 100%;
  max-width: 420px;
  background: rgba(18, 22, 31, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 28px 26px;
  box-shadow: var(--shadow-dock);
}

.hero-facts-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--amber);
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.fact-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.fact-row:last-child {
  border-bottom: 0;
  padding-bottom: 2px;
}

.fact-index {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(200, 241, 105, 0.1);
  color: var(--lime);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
}

.fact-copy strong {
  display: block;
  margin-bottom: 3px;
  font-size: 1rem;
  font-weight: 600;
}

.fact-copy span {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

/* ========== 榜单价值 ========== */
.split-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  align-items: center;
  gap: clamp(44px, 6vw, 84px);
}

.split-copy .section-h2 {
  max-width: 520px;
}

.split-copy .section-lead {
  max-width: 560px;
}

.check-list {
  list-style: none;
  margin-top: 32px;
  display: grid;
  gap: 13px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding-bottom: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: rgba(240, 244, 248, 0.86);
  font-size: 0.96rem;
  line-height: 1.7;
}

.check-list li::before {
  content: "✓";
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--lime);
  color: var(--lime-deep);
  font-size: 0.78rem;
  font-weight: 800;
}

.split-media {
  position: relative;
}

.split-media::before {
  content: "";
  position: absolute;
  inset: 24px -20px -20px 24px;
  border-radius: 28px;
  border: 1px solid rgba(200, 241, 105, 0.24);
  z-index: 0;
}

.split-media img {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 4 / 3.1;
  object-fit: cover;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-card);
}

/* ========== 每日节奏时间线 ========== */
.timeline-section {
  background: linear-gradient(180deg, transparent, rgba(18, 22, 31, 0.55), transparent);
}

.timeline-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr);
  gap: clamp(40px, 5vw, 70px);
  align-items: start;
}

.timeline-head {
  max-width: 400px;
}

.tl-list {
  display: grid;
  gap: 14px;
  counter-reset: tl;
}

.tl-item {
  counter-increment: tl;
  position: relative;
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 20px;
  padding: 22px 24px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 16px;
  transition: background 0.22s var(--ease), transform 0.22s var(--ease);
}

.tl-item:hover {
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-2px);
}

.tl-time {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--lime);
  text-align: left;
  font-weight: 600;
}

.tl-copy strong {
  display: block;
  font-weight: 600;
  font-size: 1rem;
}

.tl-copy span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ========== 栏目视图错位陈列 ========== */
.views-section {
  position: relative;
}

.view-topline {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 36px;
}

.view-topline .section-h2 {
  max-width: 600px;
}

.fake-tabs {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.02);
}

.fake-tabs span {
  display: block;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  font-size: 0.86rem;
  color: var(--muted);
}

.fake-tabs span.active {
  background: var(--lime);
  color: var(--lime-deep);
  font-weight: 700;
}

.view-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.view-card {
  overflow: hidden;
  border-radius: 20px;
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.view-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.view-main {
  grid-column: span 7;
  grid-row: span 2;
}

.view-main .view-media img {
  width: 100%;
  aspect-ratio: 16 / 9.4;
  object-fit: cover;
}

.view-mini {
  grid-column: span 5;
}

.view-mini .view-media img {
  width: 100%;
  aspect-ratio: 16 / 8.6;
  object-fit: cover;
}

.view-media {
  position: relative;
  overflow: hidden;
}

.view-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 54%, rgba(11, 14, 20, 0.4) 100%);
}

.view-tag {
  position: absolute;
  left: 18px;
  bottom: 16px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(6px);
  background: rgba(11, 14, 20, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text);
  font-size: 0.78rem;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
}

.view-tag i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  display: block;
}

.view-body {
  padding: 26px 28px 28px;
}

.view-body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 10px;
}

.view-body p {
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.78;
}

.view-meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(200, 241, 105, 0.08);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 0.78rem;
  color: var(--lime);
}

/* ========== 浏览流程 ========== */
.process-section {
  background: linear-gradient(180deg, transparent, rgba(18, 22, 31, 0.45), transparent);
}

.process-head {
  max-width: 680px;
  margin-bottom: 46px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.process-step {
  padding: 30px 28px;
  position: relative;
  background: rgba(255, 255, 255, 0.022);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 18px;
  overflow: hidden;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.process-step:hover {
  border-color: rgba(200, 241, 105, 0.3);
  transform: translateY(-3px);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--lime);
  background: rgba(200, 241, 105, 0.08);
  border-radius: 9px;
  width: 42px;
  height: 40px;
  margin-bottom: 18px;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.process-step h3 {
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 10px;
}

.process-step p {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.78;
}

.process-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  color: var(--lime);
  font-weight: 600;
  font-size: 0.92rem;
}

/* ========== FAQ ========== */
.faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.4fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: start;
}

.faq-side {
  position: sticky;
  top: 120px;
}

.faq-side .section-h2 {
  max-width: 360px;
}

.faq-side-text {
  margin-top: 20px;
  color: var(--muted);
  max-width: 360px;
  line-height: 1.8;
  font-size: 0.97rem;
}

.faq-list details {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 2px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  transition: color 0.2s var(--ease);
}

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

.faq-list summary:hover {
  color: var(--lime);
}

.faq-mark {
  flex: 0 0 auto;
  position: relative;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.faq-mark::before,
.faq-mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: background 0.2s var(--ease), transform 0.25s var(--ease);
}

.faq-mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-list details[open] .faq-mark {
  border-color: var(--lime);
  background: rgba(200, 241, 105, 0.1);
}

.faq-list details[open] .faq-mark::before,
.faq-list details[open] .faq-mark::after {
  background: var(--lime);
}

.faq-list details[open] .faq-mark::after {
  transform: translate(-50%, -50%) rotate(180deg);
}

.faq-answer {
  max-width: 720px;
  padding: 0 36px 24px 0;
  margin-top: -6px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.85;
}

/* ========== CTA 表单 ========== */
.cta-section {
  padding-bottom: clamp(80px, 10vw, 130px);
}

.cta-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 5vw, 74px) clamp(24px, 4vw, 72px);
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background:
    radial-gradient(circle at 80% 20%, rgba(200, 241, 105, 0.08), transparent 34%),
    var(--surface);
}

.cta-panel::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 1px solid rgba(200, 241, 105, 0.18);
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
  gap: clamp(30px, 5vw, 64px);
}

.cta-title {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 14px;
}

.cta-desc {
  color: var(--muted);
  max-width: 520px;
  line-height: 1.8;
}

.cta-form-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cta-form {
  display: flex;
  align-items: center;
  background: #10141C;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  padding: 6px 6px 6px 20px;
  transition: border-color 0.22s var(--ease);
}

.cta-form:focus-within {
  border-color: var(--lime);
}

.cta-form input {
  flex: 1;
  min-width: 0;
  height: 44px;
  padding: 0 10px;
  background: transparent;
  border: 0;
  outline: none;
  font-size: 0.96rem;
}

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

.cta-submit {
  flex: 0 0 auto;
  height: 46px;
  padding: 0 26px;
  border-radius: var(--radius-pill);
  background: var(--lime);
  color: var(--lime-deep);
  font-weight: 700;
  font-size: 0.95rem;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.cta-submit:hover {
  background: #D8FB85;
  transform: translateY(-1px);
}

.form-tip {
  font-size: 0.84rem;
  color: var(--muted);
  padding-left: 8px;
}

.form-note {
  font-size: 0.87rem;
  color: var(--lime);
  min-height: 22px;
}

/* ========== Footer ========== */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(18, 22, 31, 0.28);
}

.footer-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.8fr) minmax(0, 0.9fr);
  gap: clamp(32px, 5vw, 72px);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.brand-badge {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--lime);
  background: rgba(200, 241, 105, 0.08);
  border-radius: 8px;
}

.brand-badge svg {
  width: 17px;
  height: 17px;
}

.footer-logo .brand-name {
  color: var(--text);
  font-weight: 700;
}

.footer-sub {
  max-width: 490px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.8;
  margin-top: 8px;
}

.legal-text {
  max-width: 540px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--disabled);
  font-size: 0.8rem;
  line-height: 1.75;
}

.footer-title {
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

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

.footer-links a {
  color: var(--muted);
  font-size: 0.9rem;
  transition: color 0.2s var(--ease);
}

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

.bottom-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 54px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--disabled);
  font-size: 0.78rem;
}

/* ========== 响应式 ========== */
@media (max-width: 1100px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-facts {
    max-width: 100%;
  }

  .view-main {
    grid-column: span 12;
    grid-row: auto;
  }

  .view-mini {
    grid-column: span 6;
  }
}

@media (max-width: 900px) {
  .main-nav,
  .dock-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
    margin-left: auto;
  }

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

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

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

  .faq-side {
    position: static;
  }

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

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

@media (max-width: 768px) {
  .wrap {
    padding-left: 18px;
    padding-right: 18px;
  }

  .dock-header {
    top: 12px;
  }

  .dock-shell {
    height: 60px;
    width: min(100%, 560px);
    padding-left: 12px;
    padding-right: 8px;
  }

  .brand-name {
    font-size: 0.96rem;
  }

  .is-scrolled .dock-shell {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  }

  .hero-title {
    font-size: clamp(2.7rem, 15vw, 4rem);
  }

  .category-hero {
    min-height: 570px;
    padding-top: 138px;
    padding-bottom: 64px;
  }

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

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

  .view-mini {
    grid-column: span 12;
  }

  .fake-tabs span {
    font-size: 0.78rem;
    padding: 6px 11px;
  }
}

@media (max-width: 520px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .hero-facts {
    padding: 20px 18px;
  }

  .view-grid {
    gap: 16px;
  }

  .view-body {
    padding: 22px 20px;
  }

  .tl-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px;
  }

  .view-topline {
    align-items: flex-start;
  }

  .fake-tabs {
    flex-wrap: wrap;
    border-radius: 18px;
  }

  .cta-form {
    flex-direction: column;
    align-items: stretch;
    background: transparent;
    border: 0;
    padding: 0;
    gap: 10px;
  }

  .cta-form input {
    padding: 0 20px;
    background: #10141C;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-pill);
    height: 52px;
  }

  .cta-submit {
    width: 100%;
    height: 50px;
  }

  .form-tip {
    padding-left: 2px;
  }
}

/* roulang page: category3 */
:root {
    --c-bg: #0B0E14;
    --c-surface: #12161F;
    --c-soft: #161B24;
    --c-paper: #E9E7E2;
    --c-primary: #C8F169;
    --c-primary-hover: #D8FB85;
    --c-on-primary: #131F08;
    --c-accent: #F4C75B;
    --c-text: #F0F4F8;
    --c-muted: #9AA6B8;
    --c-disable: #5B6472;
    --c-line: rgba(255, 255, 255, 0.08);
    --c-paper-line: #D8D4CC;
    --radius-xs: 4px;
    --radius-md: 10px;
    --radius-xl: 20px;
    --radius-pill: 999px;
    --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.28);
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, monospace;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    background: var(--c-bg);
    color: var(--c-text);
    font-family: var(--font-sans);
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

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

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

  button,
  input {
    font: inherit;
  }

  ul,
  ol {
    list-style: none;
  }

  a:focus-visible,
  button:focus-visible {
    outline: 2px solid var(--c-primary);
    outline-offset: 2px;
    border-radius: var(--radius-xs);
  }

  .wrap {
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: 24px;
  }

  .reading {
    max-width: 780px;
    margin-inline: auto;
  }

  .section {
    padding-block: clamp(72px, 8vw, 110px);
  }

  .kicker {
    font-size: 0.82rem;
    color: var(--c-primary);
    font-weight: 600;
    letter-spacing: 0.12em;
    margin-bottom: 12px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }

  .kicker::before {
    content: "";
    width: 22px;
    height: 2px;
    background: var(--c-primary);
    border-radius: 2px;
  }

  .sec-title {
    font-size: clamp(1.6rem, 2.6vw, 2.5rem);
    font-weight: 640;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--c-text);
  }

  .sec-desc {
    margin-top: 14px;
    max-width: 720px;
    color: var(--c-muted);
    font-size: 1rem;
  }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: var(--c-text);
    transition: color 0.22s var(--ease);
  }

  .text-link .link-arrow {
    display: inline-block;
    transition: transform 0.22s var(--ease);
  }

  .text-link:hover {
    color: var(--c-primary);
  }

  .text-link:hover .link-arrow {
    transform: translateX(4px);
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 26px;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background-color 0.22s var(--ease), border-color 0.22s var(--ease), color 0.22s var(--ease), box-shadow 0.22s var(--ease), transform 0.22s var(--ease);
    user-select: none;
  }

  .btn-primary {
    background: var(--c-primary);
    color: var(--c-on-primary);
  }

  .btn-primary:hover {
    background: var(--c-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(200, 241, 105, 0.16);
  }

  .btn-ghost {
    border-color: rgba(255, 255, 255, 0.22);
    color: var(--c-text);
    background: transparent;
  }

  .btn-ghost:hover {
    border-color: var(--c-primary);
    color: var(--c-primary);
    background: rgba(255, 255, 255, 0.04);
  }

  .btn-lg {
    height: 52px;
    padding: 0 34px;
    font-size: 1rem;
  }

  .btn-small {
    height: 40px;
    padding: 0 18px;
    font-size: 0.9rem;
  }

  .site-header {
    position: fixed;
    top: 16px;
    left: 0;
    right: 0;
    z-index: 99;
    padding-inline: 12px;
  }

  .header-inner {
    position: relative;
    max-width: 1080px;
    margin-inline: auto;
    min-height: 66px;
    border-radius: var(--radius-pill);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 8px 10px 8px 18px;
    border: 1px solid transparent;
    background: transparent;
    transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), backdrop-filter 0.3s var(--ease);
  }

  .site-header.scrolled .header-inner {
    background: rgba(11, 14, 20, 0.9);
    border-color: var(--c-line);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
  }

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

  .brand-badge {
    width: 32px;
    height: 32px;
    display: inline-grid;
    place-items: center;
    background: var(--c-primary);
    color: var(--c-on-primary);
    border-radius: 10px;
  }

  .brand-badge svg {
    width: 18px;
    height: 18px;
  }

  .brand-name {
    font-weight: 700;
    font-size: 1.08rem;
    letter-spacing: 0.02em;
    color: var(--c-text);
    white-space: nowrap;
  }

  .main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
    margin-right: auto;
  }

  .main-nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 16px;
    border-radius: var(--radius-pill);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--c-muted);
    transition: color 0.2s var(--ease);
    white-space: nowrap;
  }

  .main-nav a::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 5px;
    height: 2px;
    background: var(--c-primary);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.22s var(--ease);
  }

  .main-nav a:hover,
  .main-nav a.active {
    color: var(--c-primary);
  }

  .main-nav a:hover::after,
  .main-nav a.active::after {
    transform: scaleX(1);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    flex-shrink: 0;
  }

  .nav-cta {
    color: var(--c-on-primary);
  }

  .menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(11, 14, 20, 0.8);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    transition: border-color 0.2s var(--ease);
  }

  .menu-toggle:hover {
    border-color: var(--c-primary);
  }

  .menu-toggle-line {
    display: block;
    width: 17px;
    height: 2px;
    background: var(--c-text);
    border-radius: 2px;
    transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
  }

  .category-hero {
    position: relative;
    isolation: isolate;
    display: flex;
    align-items: center;
    min-height: 560px;
    padding: clamp(150px, 16vw, 200px) 0 76px;
  }

  .category-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background-image: linear-gradient(102deg, rgba(6, 8, 12, 0.93) 0%, rgba(7, 10, 14, 0.74) 38%, rgba(6, 8, 12, 0.46) 100%), url("/assets/images/backpic/back-3.webp");
    background-size: cover;
    background-position: center 42%;
  }

  .category-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(circle at 82% 30%, rgba(200, 241, 105, 0.12), transparent 44%);
  }

  .category-hero__content {
    position: relative;
    z-index: 1;
    max-width: 820px;
  }

  .breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--c-muted);
    margin-bottom: 24px;
  }

  .breadcrumb a {
    color: var(--c-muted);
    transition: color 0.2s var(--ease);
  }

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

  .breadcrumb-sep {
    color: var(--c-disable);
  }

  .category-hero h1 {
    position: relative;
    display: inline-block;
    font-size: clamp(2.6rem, 6vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.08;
    padding-left: 20px;
    color: var(--c-text);
  }

  .category-hero h1::before {
    content: "";
    position: absolute;
    left: 0;
    top: 12%;
    bottom: 12%;
    width: 5px;
    background: var(--c-primary);
    border-radius: 4px;
  }

  .hero-desc {
    margin-top: 26px;
    max-width: 700px;
    color: #C7CEDB;
    font-size: 1.1rem;
    line-height: 1.8;
  }

  .hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
  }

  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 28px;
    flex-wrap: wrap;
    margin-bottom: 32px;
  }

  .section-head .right-note {
    color: var(--c-muted);
    font-size: 0.88rem;
    text-align: right;
  }

  .filter-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
  }

  .filter-label {
    color: var(--c-muted);
    font-size: 0.88rem;
    margin-right: 2px;
  }

  .filter-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 34px;
    padding: 0 14px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: transparent;
    color: var(--c-muted);
    font-size: 0.86rem;
    cursor: default;
    transition: border-color 0.22s var(--ease), background-color 0.22s var(--ease), color 0.22s var(--ease);
  }

  .filter-pill.is-active {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: var(--c-on-primary);
    font-weight: 600;
  }

  .gift-showcase {
    display: grid;
    gap: 28px;
  }

  .gift-feature {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    min-height: 380px;
    border: 1px solid var(--c-line);
    background: var(--c-surface);
    transition: transform 0.24s var(--ease), box-shadow 0.24s var(--ease), border-color 0.24s var(--ease);
  }

  .gift-feature:hover {
    transform: translateY(-3px);
    border-color: rgba(200, 241, 105, 0.35);
    box-shadow: var(--shadow-hover);
  }

  .gift-feature__img,
  .gift-small__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .gift-feature::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(92deg, rgba(6, 8, 12, 0.92) 0%, rgba(7, 10, 14, 0.76) 46%, rgba(6, 8, 12, 0.48) 100%);
  }

  .gift-feature__content {
    position: relative;
    z-index: 2;
    max-width: 690px;
    min-height: 380px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 46px 44px;
  }

  .meta-line {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
  }

  .tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    background: rgba(200, 241, 105, 0.16);
    color: var(--c-primary);
  }

  .tag-accent {
    background: rgba(244, 199, 91, 0.14);
    color: #F6D377;
  }

  .status {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.8rem;
    color: var(--c-muted);
    padding: 3px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(0, 0, 0, 0.18);
  }

  .status::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-primary);
    box-shadow: 0 0 0 3px rgba(200, 241, 105, 0.16);
  }

  .status-coming::before {
    background: var(--c-accent);
    box-shadow: 0 0 0 3px rgba(244, 199, 91, 0.16);
  }

  .gift-feature h3,
  .gift-small h3 {
    color: var(--c-text);
    font-size: clamp(1.25rem, 2vw, 1.6rem);
    font-weight: 660;
    letter-spacing: -0.01em;
    line-height: 1.3;
    margin-bottom: 10px;
  }

  .gift-feature p,
  .gift-small p {
    color: #AFB9C9;
    font-size: 0.96rem;
    max-width: 560px;
    margin-bottom: 18px;
  }

  .feature-notes {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin-bottom: 20px;
    color: var(--c-muted);
    font-size: 0.82rem;
  }

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

  .gift-split {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 28px;
    align-items: start;
  }

  .gift-small {
    position: relative;
    min-height: 260px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--c-line);
    background: var(--c-surface);
    transition: transform 0.24s var(--ease), box-shadow 0.24s var(--ease), border-color 0.24s var(--ease);
  }

  .gift-small:hover {
    transform: translateY(-3px);
    border-color: rgba(200, 241, 105, 0.35);
    box-shadow: var(--shadow-hover);
  }

  .gift-small::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(94deg, rgba(6, 8, 12, 0.92) 0%, rgba(10, 13, 19, 0.72) 60%, rgba(11, 14, 20, 0.3) 100%);
  }

  .gift-small--right {
    margin-top: 46px;
  }

  .gift-small__body {
    position: relative;
    z-index: 2;
    min-height: 260px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
  }

  .steps-section {
    background: var(--c-surface);
    border-block: 1px solid var(--c-line);
  }

  .steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
  }

  .step-card {
    border-radius: var(--radius-xl);
    padding: 30px;
    border: 1px solid var(--c-line);
    background: var(--c-soft);
    transition: transform 0.22s var(--ease), border-color 0.22s var(--ease);
  }

  .step-card:hover {
    transform: translateY(-3px);
    border-color: rgba(200, 241, 105, 0.32);
  }

  .step-num {
    font-family: var(--font-mono);
    font-size: 1.9rem;
    font-weight: 600;
    line-height: 1;
    color: var(--c-primary);
    margin-bottom: 18px;
    display: block;
  }

  .step-card h3 {
    font-size: 1.1rem;
    font-weight: 660;
    color: var(--c-text);
    margin-bottom: 8px;
  }

  .step-card p {
    color: var(--c-muted);
    font-size: 0.94rem;
  }

  .faq-wrap {
    max-width: 860px;
    margin-inline: auto;
  }

  .faq-item {
    border-bottom: 1px solid var(--c-line);
  }

  .faq-item:first-child {
    border-top: 1px solid var(--c-line);
  }

  .faq-q {
    display: flex;
    align-items: center;
    gap: 16px;
    justify-content: space-between;
    background: none;
    border: 0;
    width: 100%;
    text-align: left;
    padding: 22px 0;
    cursor: pointer;
    list-style: none;
  }

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

  .faq-q h3 {
    font-size: 1rem;
    font-weight: 620;
    color: var(--c-text);
    line-height: 1.6;
  }

  .faq-icon {
    position: relative;
    width: 12px;
    height: 12px;
    flex-shrink: 0;
    margin-right: 6px;
  }

  .faq-icon::before,
  .faq-icon::after {
    content: "";
    position: absolute;
    background: var(--c-muted);
    transition: transform 0.24s var(--ease), background 0.24s var(--ease);
    border-radius: 2px;
  }

  .faq-icon::before {
    left: 0;
    top: 5px;
    width: 12px;
    height: 2px;
  }

  .faq-icon::after {
    left: 5px;
    top: 0;
    width: 2px;
    height: 12px;
  }

  .faq-item[open] .faq-icon::before,
  .faq-item[open] .faq-icon::after {
    background: var(--c-primary);
  }

  .faq-item[open] .faq-icon::after {
    transform: scaleY(0);
  }

  .faq-a {
    padding: 0 26px 24px 0;
    margin-left: 22px;
    border-left: 2px solid rgba(200, 241, 105, 0.35);
    padding-left: 22px;
  }

  .faq-a p {
    color: var(--c-muted);
    font-size: 0.95rem;
    line-height: 1.9;
  }

  .cta-panel {
    position: relative;
    overflow: hidden;
    border-radius: 28px;
    border: 1px solid var(--c-line);
    background: var(--c-surface);
    padding: clamp(36px, 5vw, 68px);
    isolation: isolate;
  }

  .cta-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image: linear-gradient(100deg, rgba(11, 14, 20, 0.94) 0%, rgba(11, 14, 20, 0.88) 52%, rgba(11, 14, 20, 0.55) 100%), url("/assets/images/backpic/back-2.png");
    background-size: cover;
    background-position: center;
    opacity: 0.7;
  }

  .cta-panel::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(circle at 80% 20%, rgba(200, 241, 105, 0.14), transparent 42%);
  }

  .cta-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 32px;
    align-items: center;
  }

  .cta-grid h2 {
    color: var(--c-text);
    font-size: clamp(1.6rem, 2.4vw, 2.2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin-bottom: 14px;
  }

  .cta-grid p {
    color: var(--c-muted);
    font-size: 1rem;
    max-width: 620px;
  }

  .cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: flex-end;
  }

  .footer {
    border-top: 1px solid var(--c-line);
    background: #080A0F;
    margin-top: clamp(72px, 8vw, 110px);
  }

  .footer-pad {
    padding-top: 60px;
    padding-bottom: 10px;
  }

  .footer-columns {
    display: grid;
    grid-template-columns: 1.3fr 0.75fr 1fr;
    gap: 40px;
    padding-bottom: 34px;
  }

  .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
  }

  .footer-logo .brand-name {
    font-size: 1.1rem;
  }

  .footer-title {
    font-size: 0.95rem;
    font-weight: 650;
    color: var(--c-text);
    margin-bottom: 16px;
  }

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

  .footer-links a {
    color: var(--c-muted);
    font-size: 0.94rem;
    transition: color 0.2s var(--ease), transform 0.2s var(--ease);
    transform: translateX(0);
  }

  .footer-links a:hover {
    color: var(--c-primary);
    transform: translateX(4px);
  }

  .footer-sub {
    color: var(--c-muted);
    font-size: 0.9rem;
    margin-bottom: 14px;
  }

  .legal-text {
    color: var(--c-disable);
    font-size: 0.78rem;
    line-height: 1.9;
    margin-top: 18px;
    max-width: 440px;
  }

  .bottom-line {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    padding: 24px 0 30px;
    border-top: 1px solid var(--c-line);
    font-size: 0.75rem;
    color: var(--c-disable);
  }

  @media (max-width: 1024px) {
    .main-nav a {
      padding-inline: 12px;
      font-size: 0.9rem;
    }

    .brand-name {
      font-size: 1rem;
    }

    .nav-cta {
      padding-inline: 14px;
      font-size: 0.86rem;
    }

    .gift-split {
      grid-template-columns: 1fr;
    }

    .gift-small--right {
      margin-top: 0;
    }

    .gift-small {
      min-height: 230px;
    }

    .gift-small__body {
      min-height: 230px;
    }

    .steps-grid {
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

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

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

    .footer-columns > div:last-child {
      grid-column: span 2;
    }

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

    .cta-actions {
      justify-content: flex-start;
    }
  }

  @media (max-width: 767px) {
    .site-header {
      top: auto;
      bottom: 14px;
      padding-inline: 12px;
    }

    .header-inner {
      max-width: none;
      border-radius: 24px;
      padding: 8px 10px 8px 14px;
      background: rgba(11, 14, 20, 0.9);
      border-color: var(--c-line);
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
    }

    .site-header.scrolled .header-inner {
      background: rgba(11, 14, 20, 0.96);
    }

    .brand-name {
      font-size: 0.95rem;
    }

    .main-nav {
      position: absolute;
      left: 0;
      right: 0;
      bottom: calc(100% + 12px);
      z-index: 120;
      flex-direction: column;
      align-items: stretch;
      gap: 4px;
      max-height: 68vh;
      overflow-y: auto;
      padding: 14px;
      border-radius: 22px;
      background: rgba(11, 14, 20, 0.98);
      border: 1px solid var(--c-line);
      box-shadow: var(--shadow-hover);
      opacity: 0;
      transform: translateY(18px);
      pointer-events: none;
      transition: opacity 0.22s var(--ease), transform 0.22s var(--ease);
    }

    .site-header.menu-open .main-nav {
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }

    .main-nav a {
      justify-content: flex-start;
      padding: 14px 16px;
      font-size: 1rem;
      color: var(--c-text);
    }

    .main-nav a::after {
      display: none;
    }

    .main-nav a:hover,
    .main-nav a.active {
      background: rgba(200, 241, 105, 0.1);
      color: var(--c-primary);
    }

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

    .site-header.menu-open .menu-toggle-line:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .site-header.menu-open .menu-toggle-line:nth-child(2) {
      opacity: 0;
    }

    .site-header.menu-open .menu-toggle-line:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .category-hero {
      min-height: auto;
      padding-top: 128px;
      padding-bottom: 64px;
    }

    .category-hero h1 {
      font-size: clamp(2.1rem, 9vw, 3rem);
    }

    .hero-desc {
      font-size: 1rem;
    }

    .hero-ctas .btn {
      width: 100%;
    }

    .sec-desc {
      font-size: 0.95rem;
    }

    .section-head .right-note {
      text-align: left;
    }

    .gift-feature__content {
      padding: 34px 24px;
      min-height: 340px;
    }

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

    .gift-small__body {
      padding: 24px 20px;
      min-height: 240px;
    }

    .gift-small {
      min-height: 240px;
    }

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

    .faq-a {
      margin-left: 0;
    }

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

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

    .footer-columns > div:last-child {
      grid-column: span 1;
    }

    .bottom-line {
      flex-direction: column;
    }
  }

  @media (max-width: 520px) {
    .wrap {
      padding-inline: 16px;
    }

    .header-inner {
      gap: 8px;
      padding-left: 12px;
    }

    .brand-name {
      font-size: 0.9rem;
      white-space: normal;
      line-height: 1.3;
      max-width: 128px;
    }

    .brand-badge {
      width: 30px;
      height: 30px;
    }

    .nav-cta {
      padding-inline: 13px;
      font-size: 0.82rem;
    }

    .category-hero h1 {
      padding-left: 14px;
    }

    .gift-feature h3,
    .gift-small h3 {
      font-size: 1.18rem;
    }

    .gift-feature p,
    .gift-small p {
      font-size: 0.92rem;
    }

    .feature-notes span {
      font-size: 0.78rem;
    }

    .step-card {
      padding: 24px 18px;
    }

    .faq-q h3 {
      font-size: 0.96rem;
    }

    .faq-a {
      padding-left: 16px;
    }
  }

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