/* roulang page: index */
:root{
  --brand:#6C3BF4;
  --brand-dark:#5A2BD8;
  --brand-light:#EDE7FE;
  --lime:#C6FF3D;
  --action:#FF5A3C;
  --action-hover:#E84A2D;
  --ink:#171430;
  --muted:#605C82;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --dark:#141130;
  --line:#E8E5F4;
  --radius:16px;
  --shadow:0 8px 24px rgba(23,20,48,.08);
  --shadow-hover:0 14px 34px rgba(23,20,48,.14);
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  --bs-body-color:#171430;
  --bs-body-bg:#F7F6FC;
  --bs-primary:#6C3BF4;
  --bs-border-color:#E8E5F4;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:1320px;margin:0 auto;padding-left:20px;padding-right:20px}
.shell{max-width:1200px;margin:0 auto}
.section{padding:88px 0}
.section-sm{padding:64px 0}
.section-dark{background:var(--dark);color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);background:var(--brand-light);
  padding:6px 12px;border-radius:6px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{font-size:28px}
.sec-head .sec-desc{color:var(--muted);font-size:15px;margin-top:8px;max-width:640px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:700;color:var(--brand);
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
}
.link-more:hover{border-color:var(--brand);color:var(--brand-dark)}

/* ---------- 顶部微条 ---------- */
.microbar{background:var(--dark);color:#EDE9FF;font-size:13px;padding:9px 0}
.microbar .container{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;text-align:center}
.microbar strong{color:var(--lime);font-weight:700}
.microbar a{color:var(--lime);font-weight:700;border-bottom:1px solid rgba(198,255,61,.4)}
.microbar a:hover{color:#fff;border-color:#fff}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,246,252,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--shadow)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:68px}
.brand{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);
  white-space:nowrap;flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  display:grid;place-items:center;color:#fff;font-size:15px;font-weight:800;
  box-shadow:0 6px 14px rgba(108,59,244,.32);
}
.brand:hover{color:var(--brand)}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-main>li>a{
  display:inline-flex;align-items:center;
  padding:8px 12px;font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:2px solid transparent;border-radius:8px;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.nav-main>li>a:hover,.nav-main>li>a:focus-visible{color:var(--brand);border-bottom-color:var(--lime)}
.nav-main>li>a.active{color:var(--brand);border-bottom-color:var(--brand)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--muted);cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(108,59,244,.4);transform:translateY(-1px)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;border:none;
  background:var(--action);color:#fff;font-size:15px;font-weight:700;
  cursor:pointer;transition:all .22s ease;box-shadow:0 8px 20px rgba(255,90,60,.28);
}
.btn-main:hover{background:var(--action-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,90,60,.36)}
.btn-main:active{transform:translateY(1px)}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:12px;
  border:1.5px solid var(--brand);background:transparent;color:var(--brand);
  font-size:15px;font-weight:700;cursor:pointer;transition:all .22s ease;
}
.btn-line:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--muted);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.nav-cta{padding:0 22px;height:42px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;font-size:20px;cursor:pointer;
}
.nav-main>li>a{cursor:pointer}

/* Mega 面板 */
.mega-item{position:relative}
.mega-toggle{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;font-size:15px;font-weight:600;color:var(--ink);border-bottom:2px solid transparent;border-radius:8px;background:none;border-left:none;border-right:none;border-top:none;cursor:pointer;transition:color .2s ease,border-color .2s ease}
.mega-toggle:hover,.mega-item:focus-within .mega-toggle{color:var(--brand);border-bottom-color:var(--lime)}
.mega-panel{
  position:absolute;top:calc(100% + 16px);right:-40px;
  width:840px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:24px;
  display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .12s ease,transform .12s ease,visibility .12s ease;
  z-index:1050;
}
.mega-item:hover .mega-panel,.mega-item:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:13px;letter-spacing:.06em;color:var(--muted);font-weight:700;margin-bottom:14px}
.mega-links li a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:14px;font-weight:600;color:var(--ink);transition:all .18s ease}
.mega-links li a:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateX(3px)}
.mega-links li a i{color:var(--brand)}
.mega-news li{padding:10px 0;border-bottom:1px dashed var(--line)}
.mega-news li:last-child{border-bottom:none}
.mega-news a{font-size:14px;font-weight:600;display:block;line-height:1.5}
.mega-news .t{font-size:12px;color:var(--muted);margin-top:4px}
.mega-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--bg)}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.mega-card .mc-body{padding:14px}
.mega-card h5{font-size:15px;font-weight:800}
.mega-card p{font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.6}
.mega-card .mc-link{display:inline-flex;align-items:center;gap:4px;margin-top:10px;font-size:13px;font-weight:700;color:var(--brand)}

/* 移动导航 */
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 20px;max-height:calc(100vh - 68px);overflow-y:auto}
.mobile-nav.open{display:block}
.mobile-nav a,.mobile-nav .m-link{display:flex;align-items:center;justify-content:space-between;padding:13px 4px;font-size:15px;font-weight:600;border-bottom:1px solid var(--line);color:var(--ink);background:none;border-left:none;border-right:none;border-top:none;width:100%;text-align:left;cursor:pointer}
.mobile-nav a:hover,.mobile-nav .m-link:hover{color:var(--brand)}
.mobile-sub{display:none;padding:6px 0 6px 14px}
.mobile-sub.open{display:block}
.mobile-sub a{font-size:14px;font-weight:500;color:var(--muted);border-bottom:1px dashed var(--line);padding:11px 0}
.mobile-nav .btn-main{width:100%;margin-top:16px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:76px 0 84px;
  background-color:var(--bg);
  background-image:
    linear-gradient(90deg,rgba(108,59,244,.055) 1px,transparent 1px),
    linear-gradient(rgba(108,59,244,.055) 1px,transparent 1px);
  background-size:52px 52px,52px 52px;
}
.hero::after{
  content:"";position:absolute;top:-120px;right:-160px;width:620px;height:620px;
  background:linear-gradient(135deg,rgba(198,255,61,.28),rgba(108,59,244,.16));
  transform:rotate(24deg);border-radius:64px;z-index:0;
}
.hero .container{position:relative;z-index:2}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;padding:6px 12px;border-radius:6px;
  background:var(--lime);color:var(--ink);
}
.pill-soft{background:var(--brand-light);color:var(--brand)}
.hero h1{font-size:42px;line-height:1.22;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:17px;color:var(--muted);max-width:540px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.trust-list{display:flex;flex-wrap:wrap;gap:22px}
.trust-list li{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--muted)}
.trust-list i{color:var(--brand);font-size:17px}
.hero-visual{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-corner{
  position:absolute;left:0;bottom:0;
  background:var(--dark);color:var(--lime);font-size:13px;font-weight:700;
  padding:10px 20px;border-radius:0 14px 0 0;letter-spacing:.02em;
}
.hero-sticker{
  position:absolute;top:18px;right:-2px;
  background:var(--action);color:#fff;font-size:13px;font-weight:700;
  padding:8px 18px 8px 14px;border-radius:10px 0 0 10px;
  box-shadow:0 8px 18px rgba(255,90,60,.35);
}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
  margin-top:20px;
}
.hero-stats div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.hero-stats b{display:block;font-size:22px;color:var(--brand);font-weight:800;line-height:1.2}
.hero-stats span{font-size:12.5px;color:var(--muted)}

/* ---------- 商品卡网格 ---------- */
.gcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.gcard:hover{transform:translateY(-4px);border-color:rgba(108,59,244,.4);box-shadow:var(--shadow-hover)}
.gcard-thumb{position:relative;background:var(--brand-light);overflow:hidden}
.gcard-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s ease}
.gcard:hover .gcard-thumb img{transform:scale(1.05)}
.fav{
  position:absolute;top:12px;right:12px;width:34px;height:34px;border-radius:10px;
  background:rgba(255,255,255,.92);border:none;display:grid;place-items:center;
  color:var(--muted);cursor:pointer;transition:all .2s ease;
}
.fav:hover{color:var(--action);transform:scale(1.06)}
.gcard-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.badge-hot{background:var(--lime);color:var(--ink);font-size:12px;font-weight:700;padding:4px 9px;border-radius:6px}
.badge-cat{background:var(--brand-light);color:var(--brand);font-size:12px;font-weight:700;padding:4px 9px;border-radius:6px}
.gcard-title{font-size:17px;font-weight:800;margin-bottom:8px}
.gcard-title a:hover{color:var(--brand)}
.gcard-meta{font-size:13px;color:var(--muted);margin-bottom:8px}
.gcard-meta span+span::before{content:"·";margin:0 7px;color:#C4C0D8}
.gcard-desc{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.gcard-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px dashed var(--line);padding-top:14px}
.price{font-size:15px;font-weight:800;color:var(--brand)}
.price small{display:block;font-size:12px;color:var(--muted);font-weight:400}
.btn-mini{
  display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 16px;border-radius:999px;border:none;
  background:var(--action);color:#fff;font-size:13px;font-weight:700;cursor:pointer;
  transition:all .2s ease;
}
.btn-mini:hover{background:var(--action-hover);transform:translateY(-2px);color:#fff}

/* ---------- 评价轮播 ---------- */
.review-card{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:24px;height:100%;
  transition:border-color .2s ease,background .2s ease;
}
.review-card:hover{border-color:rgba(198,255,61,.5);background:rgba(255,255,255,.07)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;font-weight:800;font-size:16px;color:var(--ink);
  background:var(--lime);
}
.avatar.b{background:var(--brand-light);color:var(--brand)}
.avatar.c{background:#FFD9CF;color:var(--action)}
.review-name{font-size:15px;font-weight:700;color:#fff}
.stars{color:var(--lime);font-size:13px;letter-spacing:2px}
.review-text{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.82)}
.review-src{display:inline-block;margin-top:14px;font-size:12px;font-weight:700;color:var(--lime);background:rgba(198,255,61,.12);padding:4px 10px;border-radius:6px}
.carousel-indicators{position:static;margin:34px 0 0;gap:8px}
.carousel-indicators [data-bs-target]{
  width:28px;height:5px;border-radius:999px;background:rgba(255,255,255,.28);
  border:none;opacity:1;transition:all .25s ease;
}
.carousel-indicators .active{background:var(--lime);width:40px}
.carousel-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);color:#fff;display:grid;place-items:center;
  transition:all .2s ease;font-size:18px;
}
.carousel-btn:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.carousel-ctrl{display:flex;gap:10px;justify-content:flex-end;margin-top:6px}
.section-dark .sec-head h2{color:#fff}
.section-dark .sec-desc{color:rgba(255,255,255,.7)}

/* ---------- 保障条 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.guard{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;display:flex;gap:14px;align-items:flex-start;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.guard:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(108,59,244,.4)}
.guard-ico{
  width:44px;height:44px;flex-shrink:0;border-radius:12px;
  background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;font-size:20px;
}
.guard h3{font-size:16px;margin-bottom:4px}
.guard p{font-size:13px;color:var(--muted);line-height:1.65}

/* ---------- 资讯列表 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.tag-row button{
  border:1px solid var(--line);background:#fff;color:var(--muted);
  font-size:13px;font-weight:600;padding:7px 15px;border-radius:6px;cursor:pointer;
  transition:all .2s ease;
}
.tag-row button:hover{border-color:var(--brand);color:var(--brand)}
.tag-row button.active{background:var(--brand);border-color:var(--brand);color:#fff}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(108,59,244,.4);box-shadow:var(--shadow-hover)}
.news-thumb{display:block;overflow:hidden;background:var(--brand-light)}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-title{font-size:17px;font-weight:800;line-height:1.5;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-excerpt{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px dashed var(--line);padding-top:13px;font-size:13px;color:var(--muted)}
.news-meta .read{font-weight:700;color:var(--brand)}
.empty-box{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  padding:56px 24px;text-align:center;
}
.empty-box i{font-size:38px;color:var(--brand-light)}
.empty-box p{margin:14px 0 18px;color:var(--muted);font-size:15px}
.list-more{display:flex;justify-content:flex-end;margin-top:32px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:14px;overflow:hidden;transition:all .22s ease;
}
.faq-item:hover{border-color:rgba(108,59,244,.35)}
.faq-item.open{background:var(--brand-light);border-color:rgba(108,59,244,.35);border-left:3px solid var(--lime)}
.accordion-button{
  width:100%;background:transparent;border:none;text-align:left;
  padding:20px 22px;font-size:17px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;
}
.accordion-button:not(.collapsed){color:var(--brand-dark);box-shadow:none;background:transparent}
.accordion-button::after{
  content:"\F282";font-family:"bootstrap-icons";font-size:16px;color:var(--brand);
  transition:transform .25s ease;flex-shrink:0;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--brand-dark)}
.accordion-button:focus{box-shadow:none;border:none}
.accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--muted)}
.accordion-item{border:none;background:transparent}
.accordion-flush>.accordion-item>.accordion-header .accordion-button{border-radius:0}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark);border-radius:22px;
  padding:52px 46px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-80px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(198,255,61,.22),transparent 65%);
}
.cta-band .cta-txt{position:relative;z-index:2;max-width:640px}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px}
.cta-actions{position:relative;z-index:2;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta-link{color:var(--lime);font-weight:700;font-size:15px;border-bottom:1px solid rgba(198,255,61,.45);padding-bottom:2px}
.cta-link:hover{color:#fff;border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:50px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--brand),var(--lime));color:var(--ink)}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px;letter-spacing:.02em}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66)}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col ul li a:hover{color:var(--lime)}
.footer-contact{margin-top:16px;font-size:14px;line-height:2}
.footer-contact b{color:var(--lime);font-weight:700}
.sub-form{display:flex;gap:10px;margin-top:14px}
.sub-form input{
  flex:1;min-width:0;height:46px;border-radius:10px;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:rgba(255,255,255,.45)}
.sub-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(198,255,61,.18)}
.sub-form button{
  height:46px;padding:0 20px;border-radius:10px;border:none;
  background:var(--action);color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  transition:all .2s ease;white-space:nowrap;
}
.sub-form button:hover{background:var(--action-hover);transform:translateY(-2px)}
.footer-note{font-size:12.5px;color:rgba(255,255,255,.45);margin-top:12px;line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .container{max-width:100%}
  .mega-panel{width:720px;right:-80px}
}
@media (max-width:991.98px){
  .nav-main,.nav-right .btn-main,.nav-right .icon-btn{display:none}
  .nav-toggle{display:inline-flex}
  .nav-wrap{justify-content:space-between}
  .section{padding:60px 0}
  .hero{padding:52px 0 60px}
  .hero h1{font-size:32px}
  .hero-visual{margin-top:8px}
  .guard-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:38px 28px}
}
@media (max-width:767.98px){
  .section{padding:48px 0}
  .sec-head{margin-bottom:26px}
  .sec-head h2{font-size:23px}
  .hero h1{font-size:27px}
  .hero-sub{font-size:15.5px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .hero-actions .btn-main,.hero-actions .btn-line{width:100%}
  .cta-band{padding:32px 22px;border-radius:18px}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn-main{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .sub-form{flex-direction:column}
  .sub-form button{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-footer{padding-top:52px;margin-top:60px}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .hero h1{font-size:25px}
  .hero-stats{grid-template-columns:1fr}
  .guard-grid{grid-template-columns:1fr}
  .trust-list{gap:14px}
  .tag-row button{font-size:12.5px;padding:6px 12px}
  .gcard-body{padding:16px}
  .news-body{padding:16px}
}

/* roulang page: article */
:root{
  --brand:#6C3BF4;
  --brand-dark:#5A2BD8;
  --brand-light:#EDE7FE;
  --lime:#C6FF3D;
  --action:#FF5A3C;
  --action-hover:#E84A2D;
  --ink:#171430;
  --ink-2:#605C82;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --dark:#141130;
  --line:#E8E5F4;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(23,20,48,.08);
  --shadow-hover:0 14px 34px rgba(23,20,48,.14);
  --container:1320px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-0.01em;line-height:1.3;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.container{max-width:var(--container);padding:0 24px;margin:0 auto;width:100%;}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- 顶部进度条 ---------- */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--brand),var(--lime));z-index:1100;transition:width .1s linear;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1050;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(23,20,48,.08);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:68px;}
.brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-0.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--ink);text-decoration:none;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:9px;
  background:var(--brand);color:#fff;font-size:15px;font-weight:800;
  box-shadow:0 4px 12px rgba(108,59,244,.35);
}
.nav-main{display:flex;align-items:center;gap:22px;margin-left:6px;}
.nav-main > li > a{
  position:relative;display:inline-block;
  font-size:15px;font-weight:600;color:var(--ink-2);
  padding:6px 0;
}
.nav-main > li > a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;border-radius:2px;
}
.nav-main > li > a:hover,.nav-main > li > a:focus{color:var(--ink);text-decoration:none;}
.nav-main > li > a:hover::after,.nav-main > li > a:focus::after{transform:scaleX(1);}
.nav-main > li > a.active{color:var(--brand);}
.nav-main > li > a.active::after{transform:scaleX(1);}

.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.mega-item{position:relative;}
.mega-toggle{
  display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 16px;border-radius:999px;
  background:var(--brand-light);color:var(--brand);
  border:1px solid transparent;font-size:14px;font-weight:600;
  transition:all .18s ease;
}
.mega-toggle:hover{background:#fff;border-color:var(--brand);}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:760px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px;
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .12s ease,transform .12s ease,visibility .12s;
  z-index:1060;
}
.mega-item:hover .mega-panel,.mega-item:focus-within .mega-panel,
.mega-item.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{font-size:13px;color:var(--ink-2);font-weight:700;letter-spacing:.02em;margin-bottom:12px;}
.mega-links li + li{margin-top:9px;}
.mega-links a{display:flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--ink);}
.mega-links a i{color:var(--brand);}
.mega-links a:hover{color:var(--brand);text-decoration:none;}
.mega-news li + li{margin-top:14px;}
.mega-news a{font-size:14px;font-weight:600;color:var(--ink);display:block;line-height:1.5;}
.mega-news a:hover{color:var(--brand);text-decoration:none;}
.mega-news .t{font-size:12px;color:var(--ink-2);margin-top:4px;}
.mega-card{
  border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;background:var(--bg);
}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.mega-card-body{padding:14px;}
.mega-card-body h5{font-size:15px;margin-bottom:6px;}
.mega-card-body p{font-size:13px;color:var(--ink-2);line-height:1.6;}
.mega-card-body a{display:inline-block;margin-top:10px;font-size:13px;font-weight:700;color:var(--action);}
.mega-card-body a:hover{color:var(--action-hover);text-decoration:none;}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:20px;
  align-items:center;justify-content:center;
}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;border:none;
  background:var(--action);color:#fff;font-size:15px;font-weight:700;
  transition:all .18s ease;box-shadow:0 6px 18px rgba(255,90,60,.28);
}
.btn-main:hover{background:var(--action-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,90,60,.34);text-decoration:none;}
.btn-main:active{transform:translateY(1px);}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:12px;
  background:transparent;color:var(--brand);border:1.5px solid var(--brand);
  font-size:15px;font-weight:700;transition:all .18s ease;
}
.btn-outline-brand:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px);text-decoration:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:12px;
  background:#fff;color:var(--ink-2);border:1px solid var(--line);
  font-size:14.5px;font-weight:600;transition:all .18s ease;
}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);text-decoration:none;}
.nav-cta{height:42px;padding:0 20px;font-size:14.5px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-2);padding:14px 0;}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);text-decoration:none;}
.crumb .sep{color:#C4C0DC;}
.crumb .cur{color:var(--brand);font-weight:600;}

/* ---------- 文章头部 ---------- */
.article-hero{background:#fff;border-bottom:1px solid var(--line);padding:36px 0 30px;position:relative;overflow:hidden;}
.article-hero::before{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,255,61,.28),transparent 70%);pointer-events:none;
}
.article-head{max-width:860px;position:relative;}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--lime);color:#1B2400;font-size:12px;font-weight:800;
  padding:5px 12px;border-radius:6px;letter-spacing:.02em;
}
.article-head h1{
  font-size:38px;line-height:1.28;margin:16px 0 16px;font-weight:800;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);}
.meta-row .dot{color:#C4C0DC;}
.meta-row .tagline{
  display:inline-block;background:var(--brand-light);color:var(--brand);
  font-size:12px;font-weight:700;padding:3px 10px;border-radius:6px;
}

/* ---------- 主体双栏 ---------- */
.main-wrap{padding:44px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start;}
.article-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px;box-shadow:var(--shadow);
}
.article-body{max-width:760px;font-size:17px;line-height:1.85;color:var(--ink);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  font-size:26px;margin:38px 0 16px;padding-left:14px;position:relative;font-weight:800;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:19px;margin:26px 0 10px;font-weight:700;}
.article-body h4{font-size:17px;margin:20px 0 8px;}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:20px;}
.article-body ul li{list-style:none;position:relative;padding-left:16px;margin-bottom:9px;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.7em;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin-bottom:9px;padding-left:6px;}
.article-body ol li::marker{color:var(--brand);font-weight:700;}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:4px solid var(--brand);
  background:var(--brand-light);border-radius:0 12px 12px 0;color:#403A70;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:22px auto;height:auto;}
.article-body figure{margin:22px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-2);margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.article-body th{background:var(--brand-light);color:var(--brand-dark);font-weight:700;text-align:left;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body tbody tr:nth-child(even){background:#FBFAFE;}
.article-body a{font-weight:600;text-decoration:underline;text-underline-offset:3px;}
.article-body hr{border:none;border-top:1px dashed var(--line);margin:28px 0;}
.article-body strong{font-weight:700;}
.article-body code{background:var(--brand-light);color:var(--brand-dark);padding:2px 6px;border-radius:6px;font-size:15px;}

.tip-block{
  margin-top:30px;padding:18px 20px;border-radius:var(--radius-sm);
  background:var(--bg);border:1px dashed var(--line);font-size:14.5px;color:var(--ink-2);line-height:1.8;
}
.tip-block b{color:var(--ink);}

.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line);}
.tag-row .label{font-size:13px;color:var(--ink-2);}
.tag{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--brand);
  background:var(--brand-light);border-radius:6px;padding:5px 12px;
}
.tag:hover{background:var(--brand);color:#fff;text-decoration:none;}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--ink-2);}
.share-row .ico{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink-2);transition:all .18s ease;
}
.share-row .ico:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}

.empty-state{text-align:center;padding:40px 20px;}
.empty-state .ico-box{
  width:64px;height:64px;border-radius:18px;background:var(--brand-light);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:16px;
}
.empty-state h3{font-size:19px;margin-bottom:8px;}
.empty-state p{font-size:14.5px;color:var(--ink-2);margin-bottom:18px;}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:22px;position:sticky;top:92px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);
}
.side-card h4{
  font-size:15px;font-weight:800;margin-bottom:14px;padding-left:11px;position:relative;
}
.side-card h4::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:2px;background:var(--lime);
}
.hot-list li + li{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);}
.hot-list a{display:block;font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.55;}
.hot-list a:hover{color:var(--brand);text-decoration:none;}
.hot-list .t{font-size:12px;color:var(--ink-2);margin-top:5px;}
.side-nav li + li{margin-top:9px;}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  padding:9px 12px;border-radius:10px;transition:all .18s ease;
}
.side-nav a:hover{background:var(--brand-light);color:var(--brand);text-decoration:none;}
.side-cta{
  background:var(--dark);border:none;color:#fff;
  border-radius:var(--radius);padding:24px 20px;
}
.side-cta h4{color:#fff;font-size:18px;margin-bottom:10px;padding:0;}
.side-cta h4::before{display:none;}
.side-cta p{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.72);margin-bottom:18px;}
.side-cta .btn-main{width:100%;}

/* ---------- 相关推荐 ---------- */
.related-section{padding:8px 0 72px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px;flex-wrap:wrap;}
.sec-head h2{font-size:26px;font-weight:800;}
.sec-head p{font-size:14px;color:var(--ink-2);margin-top:6px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:all .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(108,59,244,.4);}
.post-card .thumb{position:relative;}
.post-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.post-card .chip{
  position:absolute;left:12px;top:12px;background:var(--lime);color:#1B2400;
  font-size:12px;font-weight:800;padding:4px 10px;border-radius:6px;
}
.post-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.post-card h3{font-size:17px;line-height:1.5;margin-bottom:10px;}
.post-card h3 a{color:var(--ink);}
.post-card h3 a:hover{color:var(--brand);text-decoration:none;}
.post-card .desc{font-size:14px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px;}
.post-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-2);}
.post-card .foot .go{font-weight:700;color:var(--action);}
.post-card .foot .go:hover{color:var(--action-hover);text-decoration:none;}

.back-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding-top:6px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;margin-bottom:14px;}
.footer-brand .brand-mark{box-shadow:none;background:var(--lime);color:#1B2400;}
.site-footer p{font-size:13.5px;line-height:1.85;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.site-footer ul li + li{margin-top:10px;}
.site-footer ul a{color:rgba(255,255,255,.72);font-size:14px;}
.site-footer ul a:hover{color:var(--lime);text-decoration:none;}
.footer-contact{margin-top:16px;font-size:13.5px;line-height:2;}
.footer-contact b{color:#fff;font-weight:600;}
.sub-form{display:flex;gap:10px;margin-top:6px;}
.sub-form input{
  flex:1;height:46px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;
}
.sub-form input::placeholder{color:rgba(255,255,255,.45);}
.sub-form input:focus{outline:2px solid var(--lime);outline-offset:2px;border-color:transparent;}
.sub-form button{
  height:46px;padding:0 20px;border-radius:10px;border:none;
  background:var(--action);color:#fff;font-size:14px;font-weight:700;white-space:nowrap;transition:all .18s ease;
}
.sub-form button:hover{background:var(--action-hover);transform:translateY(-2px);}
.footer-note{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:10px;}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--lime);text-decoration:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-head h1{font-size:34px;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .side-col{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .mega-panel{width:620px;grid-template-columns:1fr 1fr;}
  .mega-panel .mega-col:last-child{display:none;}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex;}
  .nav-main{
    position:absolute;left:0;right:0;top:68px;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    padding:10px 24px 18px;display:none;
  }
  .nav-main.open{display:flex;}
  .nav-main > li{border-bottom:1px dashed var(--line);}
  .nav-main > li:last-child{border-bottom:none;}
  .nav-main > li > a{padding:14px 0;font-size:15.5px;}
  .nav-main > li > a::after{display:none;}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    display:none;box-shadow:none;border-radius:12px;padding:16px;margin:6px 0 12px;
    grid-template-columns:1fr;
  }
  .mega-item.open .mega-panel{display:grid;}
  .mega-item{width:100%;}
  .mega-toggle{width:100%;justify-content:space-between;height:44px;}
  .nav-right{flex-wrap:wrap;}
  .article-panel{padding:24px;}
  .article-head h1{font-size:30px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:575.98px){
  .container{padding:0 18px;}
  .brand{font-size:15.5px;}
  .brand-mark{width:28px;height:28px;font-size:13px;}
  .nav-cta{display:none;}
  .article-hero{padding:26px 0 24px;}
  .article-head h1{font-size:26px;}
  .article-panel{padding:18px;}
  .article-body{font-size:16px;line-height:1.8;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .main-wrap{padding:28px 0 48px;}
  .grid-3{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .sub-form{flex-direction:column;}
  .sub-form button{width:100%;}
  .sec-head h2{font-size:22px;}
  .btn-main,.btn-outline-brand,.btn-ghost{width:100%;}
  .back-row{flex-direction:column;align-items:stretch;}
}

/* roulang page: category1 */
:root{
  --brand:#6C3BF4;
  --brand-dark:#5A2BD8;
  --brand-soft:#EDE7FE;
  --lime:#C6FF3D;
  --action:#FF5A3C;
  --action-hover:#E84A2D;
  --ink:#171430;
  --muted:#605C82;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --dark:#141130;
  --line:#E8E5F4;
  --r-card:16px;
  --r-btn:999px;
  --r-sm:12px;
  --r-input:10px;
  --r-badge:6px;
  --sh:0 8px 24px rgba(23,20,48,.08);
  --sh-hover:0 14px 34px rgba(23,20,48,.14);
  --container:1320px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  font-weight:400;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4{letter-spacing:-0.01em;font-weight:800;margin:0;line-height:1.35}
h2{font-size:28px}
h3{font-size:18px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{max-width:var(--container);padding-left:24px;padding-right:24px;margin:0 auto;width:100%}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:var(--sh)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:68px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:var(--ink);white-space:nowrap;
}
.brand:hover{color:var(--brand)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:800;flex:0 0 auto;
}
.nav-main{display:flex;align-items:center;gap:24px;font-size:15.5px}
.nav-main a{
  position:relative;padding:6px 2px;font-weight:500;color:var(--ink);display:inline-block;
}
.nav-main a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-main a:hover::after,.nav-main a:focus-visible::after,.nav-main a.active::after{transform:scaleX(1)}
.nav-main a.active{color:var(--brand);font-weight:700}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.mega-item{position:relative}
.mega-toggle{
  display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 18px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--brand);color:var(--brand);
  font-size:14.5px;font-weight:700;cursor:pointer;transition:.18s ease;
}
.mega-toggle:hover{background:var(--brand-soft);transform:translateY(-2px)}
.mega-toggle:active{transform:translateY(1px)}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:780px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);padding:22px;gap:24px;display:none;
}
.mega-item:hover .mega-panel,
.mega-item:focus-within .mega-panel,
.mega-item.open .mega-panel{display:flex;animation:mpIn .12s ease both}
@keyframes mpIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.mega-col{flex:1 1 0;min-width:0}
.mega-col h4{font-size:13px;color:var(--muted);letter-spacing:.04em;margin-bottom:12px;font-weight:700}
.mega-links li{margin-bottom:8px}
.mega-links a{display:flex;align-items:center;gap:8px;font-size:14.5px;padding:6px 8px;border-radius:8px}
.mega-links a:hover{background:var(--brand-soft);color:var(--brand)}
.mega-links i{color:var(--brand)}
.mega-news li{padding-bottom:10px;margin-bottom:10px;border-bottom:1px dashed var(--line)}
.mega-news li:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.mega-news a{font-size:14px;font-weight:600;display:block;line-height:1.5}
.mega-news .t{font-size:12.5px;color:var(--muted);margin-top:4px}
.mega-entry{
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;display:block;
  background:var(--bg);transition:.2s ease;
}
.mega-entry img{width:100%;aspect-ratio:16/10;object-fit:cover}
.mega-entry span{display:block;padding:12px 14px;font-size:14px;font-weight:700}
.mega-entry:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(108,59,244,.4)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:20px;align-items:center;justify-content:center;cursor:pointer;
}

/* ---------- breadcrumb ---------- */
.breadcrumb-bar{padding:18px 0 0;font-size:13px;color:var(--muted)}
.breadcrumb-bar ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb-bar a{color:var(--muted)}
.breadcrumb-bar a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.breadcrumb-bar .sep{color:#B7B2D0}
.breadcrumb-bar .current{color:var(--brand);font-weight:700}

/* ---------- hero ---------- */
.hero{position:relative;padding:44px 0 72px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(108,59,244,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(108,59,244,.06) 1px,transparent 1px);
  background-size:34px 34px;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:520px;height:360px;
  background:var(--brand-soft);opacity:.65;transform:skewY(-9deg);border-radius:40px;pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--lime);color:#171430;
  font-size:12.5px;font-weight:800;padding:6px 14px;border-radius:var(--r-badge);margin-bottom:18px;
}
.hero h1{font-size:40px;line-height:1.24;margin-bottom:16px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  background:var(--action);color:#fff;font-size:16px;font-weight:700;border:0;cursor:pointer;
  box-shadow:0 8px 20px rgba(255,90,60,.28);transition:.18s ease;
}
.btn-main:hover{background:var(--action-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,90,60,.34)}
.btn-main:active{transform:translateY(1px)}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--line);color:var(--ink);font-size:16px;font-weight:700;transition:.18s ease;
}
.btn-line:hover{border-color:rgba(108,59,244,.45);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh)}
.btn-line:active{transform:translateY(1px)}
.trust-row{display:flex;flex-wrap:wrap;gap:18px}
.trust-row span{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--muted)}
.trust-row i{color:var(--brand);font-size:15px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--line);box-shadow:var(--sh);
}
.hero-tag{
  position:absolute;left:20px;bottom:20px;background:var(--lime);color:#171430;
  font-size:13px;font-weight:800;padding:7px 14px;border-radius:var(--r-badge);
}
.hero-chip{
  position:absolute;right:-10px;top:22px;background:var(--brand);color:#fff;
  font-size:13px;font-weight:700;padding:9px 16px;border-radius:var(--r-sm);
  box-shadow:0 10px 22px rgba(108,59,244,.32);
}

/* ---------- tag bar ---------- */
.tagbar{padding:0 0 12px}
.tagbar-inner{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 20px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;box-shadow:var(--sh);
}
.tagbar-title{font-size:13.5px;color:var(--muted);font-weight:700;margin-right:4px}
.tag-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-badge);
  background:var(--brand-soft);color:var(--brand-dark);font-size:13.5px;font-weight:700;transition:.18s ease;
}
.tag-pill:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}

/* ---------- section ---------- */
.section{padding:72px 0 0}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.sec-head h2{position:relative;padding-left:16px}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:var(--lime);
}
.sec-head p{font-size:14.5px;color:var(--muted);margin-top:8px;max-width:640px}
.sec-link{font-size:14.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.sec-link:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}

/* ---------- game cards ---------- */
.game-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;transition:.2s ease;
}
.game-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(108,59,244,.4)}
.card-media{position:relative;display:block;overflow:hidden}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.game-card:hover .card-media img{transform:scale(1.04)}
.badge-fill{
  position:absolute;left:12px;top:12px;background:var(--lime);color:#171430;
  font-size:12px;font-weight:800;padding:4px 10px;border-radius:var(--r-badge);
}
.badge-soft{
  position:absolute;right:12px;top:12px;background:rgba(23,20,48,.72);color:#fff;
  font-size:12px;font-weight:700;padding:4px 10px;border-radius:var(--r-badge);
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-body h3{font-size:17.5px}
.card-body h3 a:hover{color:var(--brand)}
.card-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--muted)}
.card-meta span{position:relative;padding-left:10px}
.card-meta span:first-child{padding-left:0}
.card-meta span:not(:first-child)::before{
  content:"";position:absolute;left:0;top:50%;width:4px;height:4px;border-radius:50%;background:#C7C2DE;transform:translateY(-50%);
}
.card-desc{
  font-size:14.5px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.benefit{font-size:13px;font-weight:700;color:var(--brand-dark);background:var(--brand-soft);padding:5px 10px;border-radius:var(--r-badge)}
.btn-mini{
  display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 16px;
  border-radius:var(--r-sm);background:var(--brand);color:#fff;font-size:13.5px;font-weight:700;transition:.18s ease;
  white-space:nowrap;
}
.btn-mini:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(108,59,244,.28)}
.btn-mini:active{transform:translateY(1px)}

/* ---------- stats ---------- */
.stats{margin-top:28px}
.stats-inner{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);
  padding:26px 20px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.stat{position:relative;padding-left:16px;text-align:left}
.stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--brand)}
.stat:nth-child(2)::before{background:var(--lime)}
.stat:nth-child(3)::before{background:var(--action)}
.stat:nth-child(4)::before{background:var(--brand-dark)}
.stat .num{font-size:30px;font-weight:800;line-height:1.2;letter-spacing:-0.02em}
.stat .num small{font-size:14px;font-weight:700;color:var(--muted);margin-left:4px}
.stat .lbl{font-size:13.5px;color:var(--muted);margin-top:4px}

/* ---------- faq ---------- */
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card);background:#fff;margin-bottom:14px;overflow:hidden;
  transition:.2s ease;
}
.faq-acc .accordion-item:hover{border-color:rgba(108,59,244,.35)}
.faq-acc .accordion-button{
  font-size:17px;font-weight:700;color:var(--ink);background:#fff;padding:20px 22px;
  border:0;box-shadow:none;line-height:1.5;
}
.faq-acc .accordion-button:not(.collapsed){
  background:var(--brand-soft);color:var(--brand-dark);
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--lime);outline-offset:-2px}
.faq-acc .accordion-button::after{
  background-image:none;content:"\F4FE";font-family:"bootstrap-icons";
  width:auto;height:auto;font-size:18px;color:var(--brand);transform:rotate(0);transition:transform .2s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.faq-acc .accordion-body{
  padding:6px 22px 22px;font-size:15px;line-height:1.85;color:var(--muted);
  border-left:3px solid var(--lime);background:var(--brand-soft);
}

/* ---------- cta ---------- */
.cta-band{margin-top:84px;padding-bottom:84px}
.cta-inner{
  background:var(--dark);border-radius:20px;padding:44px 44px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  border:1px solid rgba(198,255,61,.16);
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:30px 30px;
}
.cta-inner h2{color:#fff;font-size:27px;margin-bottom:10px}
.cta-inner p{color:#B9B4D6;font-size:15px;max-width:600px}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.cta-ghost{color:#fff;font-size:15px;font-weight:700;text-decoration:underline;text-underline-offset:4px}
.cta-ghost:hover{color:var(--lime)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#CFCBE6;padding:68px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--lime);color:#171430}
.footer-col p{font-size:14px;line-height:1.8;color:#A9A4C7}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:800}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:#A9A4C7;transition:.18s ease}
.footer-col ul a:hover{color:var(--lime)}
.footer-contact{margin-top:16px;font-size:14px;color:#A9A4C7;line-height:1.9}
.footer-contact b{color:#fff;font-weight:600}
.sub-form{display:flex;gap:10px;margin:14px 0 10px}
.sub-form input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;font-size:14.5px;
  transition:.18s ease;
}
.sub-form input::placeholder{color:#857FAB}
.sub-form input:focus{outline:2px solid var(--lime);outline-offset:2px;border-color:transparent}
.sub-form button{
  height:44px;padding:0 20px;border-radius:var(--r-btn);border:0;background:var(--action);color:#fff;
  font-size:14.5px;font-weight:700;cursor:pointer;white-space:nowrap;transition:.18s ease;
}
.sub-form button:hover{background:var(--action-hover);transform:translateY(-2px)}
.sub-form button:active{transform:translateY(1px)}
.footer-note{font-size:12.5px;color:#857FAB}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8F8AB3;
}
.footer-bottom a{color:#CFCBE6}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .container{max-width:1100px}
  .hero h1{font-size:36px}
}
@media (max-width:991.98px){
  .nav-wrap{height:66px;gap:14px}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-main{
    position:absolute;left:0;right:0;top:66px;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--sh);flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 18px;display:none;
  }
  .nav-main.open{display:flex}
  .nav-main li{border-bottom:1px dashed var(--line)}
  .nav-main li:last-child{border-bottom:0}
  .nav-main a{padding:14px 0;display:block}
  .nav-right{margin-left:0}
  .mega-panel{
    position:static;width:100%;right:auto;margin-top:10px;flex-direction:column;display:none;
    box-shadow:none;
  }
  .mega-item.open .mega-panel{display:flex}
  .mega-item:hover .mega-panel{display:none}
  .mega-item.open:hover .mega-panel{display:flex}
  .hero{padding:32px 0 56px}
  .hero::after{display:none}
  .hero h1{font-size:32px}
  .hero-visual{margin-top:30px}
  .hero-chip{right:12px}
  .section{padding:56px 0 0}
  .sec-head h2{font-size:24px}
  .stats-inner{grid-template-columns:repeat(2,1fr);gap:24px}
  .cta-inner{padding:34px 28px}
  .cta-inner h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px}
  .brand{font-size:16px}
  .brand-mark{width:30px;height:30px;font-size:15px}
  .hero h1{font-size:27px}
  .hero-sub{font-size:15.5px}
  .hero-actions{gap:10px}
  .btn-main,.btn-line{width:100%;height:46px}
  .trust-row{gap:12px}
  .section{padding:48px 0 0}
  .sec-head h2{font-size:22px}
  .card-body{padding:18px}
  .stats-inner{grid-template-columns:1fr;gap:18px}
  .stat .num{font-size:26px}
  .faq-acc .accordion-button{font-size:16px;padding:17px 18px}
  .faq-acc .accordion-body{padding:4px 18px 18px}
  .cta-band{margin-top:56px;padding-bottom:56px}
  .cta-inner{padding:26px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn-main{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .sub-form{flex-direction:column}
  .sub-form button{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category2 */
:root{
  --brand:#6C3BF4;
  --brand-dark:#5A2BD8;
  --brand-light:#EDE7FE;
  --lime:#C6FF3D;
  --action:#FF5A3C;
  --action-hover:#E84A2D;
  --ink:#171430;
  --muted:#605C82;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --dark:#141130;
  --line:#E8E5F4;
  --r-card:16px;
  --r-btn:999px;
  --r-sm:12px;
  --r-input:10px;
  --shadow:0 8px 24px rgba(23,20,48,.08);
  --shadow-hover:0 14px 34px rgba(23,20,48,.14);
  --container:1320px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.28}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}

/* ============ 按钮 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  background:var(--action);color:#fff;font-size:15.5px;font-weight:700;
  border:none;cursor:pointer;box-shadow:0 8px 20px rgba(255,90,60,.28);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main:hover{background:var(--action-hover);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,60,.34)}
.btn-main:active{transform:translateY(1px)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-sm);
  background:transparent;border:1.5px solid var(--brand);color:var(--brand);
  font-size:15.5px;font-weight:700;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--line);color:var(--ink);
  font-size:15px;font-weight:600;cursor:pointer;transition:.18s ease;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);
  font-weight:700;font-size:15px;text-underline-offset:3px;transition:.18s ease;
}
.text-link:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}
.text-link i{transition:transform .18s ease}
.text-link:hover i{transform:translateX(3px)}
.text-link.light{color:var(--lime)}
.text-link.light:hover{color:#fff}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:6px;background:var(--brand-light);
  color:var(--brand);font-size:12.5px;font-weight:700;
}
.badge-lime{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:6px;
  background:var(--lime);color:#171430;font-size:12px;font-weight:800;
}
.badge-outline{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:6px;
  border:1px solid var(--line);background:#fff;color:var(--muted);
  font-size:12px;font-weight:700;
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .22s ease;
}
.site-header.scrolled{box-shadow:var(--shadow)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--ink);white-space:nowrap}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--brand);
  color:#fff;font-size:17px;font-weight:800;flex:none;
}
.nav-main{display:flex;align-items:center;gap:24px;margin-left:auto}
.nav-main > li > a{
  position:relative;display:inline-block;padding:9px 0;
  font-size:15.5px;font-weight:600;color:#3a3559;white-space:nowrap;
}
.nav-main > li > a::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-main > li > a:hover,.nav-main > li > a:focus-visible{color:var(--brand)}
.nav-main > li > a:hover::after,.nav-main > li > a:focus-visible::after,.nav-main > li > a.active::after{transform:scaleX(1)}
.nav-main > li > a.active{color:var(--brand)}
.nav-right{display:flex;align-items:center;gap:12px;position:relative}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:#3a3559;font-size:16px;cursor:pointer;transition:.18s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand)}
.nav-cta{
  display:inline-flex;align-items:center;height:44px;padding:0 24px;border-radius:var(--r-btn);
  background:var(--action);color:#fff;font-weight:700;font-size:15px;white-space:nowrap;
  box-shadow:0 6px 16px rgba(255,90,60,.26);transition:.18s ease;
}
.nav-cta:hover{background:var(--action-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,90,60,.34)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:20px;cursor:pointer;margin-left:auto;
}

/* Mega 面板 */
.mega-item{position:relative}
.mega-toggle{
  display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 16px;
  border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;
  color:#3a3559;font-size:14.5px;font-weight:700;cursor:pointer;transition:.18s ease;
}
.mega-toggle:hover{border-color:var(--brand);color:var(--brand)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:840px;
  display:grid;grid-template-columns:1.1fr 1.2fr 1fr;gap:22px;
  padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .12s ease,transform .12s ease,visibility .12s;z-index:90;
}
.mega-item:hover .mega-panel,
.mega-item:focus-within .mega-panel,
.mega-item.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:13px;font-weight:800;color:var(--muted);letter-spacing:.04em;margin-bottom:12px}
.mega-links li + li{margin-top:6px}
.mega-links a{
  display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:10px;
  font-size:14.5px;font-weight:600;color:#3a3559;transition:.16s ease;
}
.mega-links a:hover{background:var(--brand-light);color:var(--brand)}
.mega-links i{color:var(--brand);font-size:15px}
.mega-news li + li{margin-top:12px}
.mega-news a{font-size:14.5px;font-weight:600;color:#3a3559;display:block;line-height:1.5}
.mega-news a:hover{color:var(--brand)}
.mega-news .t{font-size:12.5px;color:var(--muted);margin-top:3px}
.mega-card{display:block;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);transition:.18s ease}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.mega-card span{display:block;padding:10px 12px;font-size:13.5px;font-weight:700;color:var(--brand);background:var(--brand-light)}
.mega-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow)}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:12px 0;font-size:13px;color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#b9b4d2}
.crumb .cur{color:var(--brand);font-weight:700}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:#fff;padding:64px 0 76px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(108,59,244,.065) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(108,59,244,.065) 1px,transparent 1px);
  background-size:34px 34px;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,#000 62%,transparent 100%);
  mask-image:linear-gradient(180deg,#000 0%,#000 62%,transparent 100%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-60px;top:-40px;width:560px;height:520px;
  background:var(--brand-light);opacity:.75;
  clip-path:polygon(24% 0,100% 0,100% 100%,0 78%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.hero h1{font-size:42px;line-height:1.2;margin-bottom:16px;max-width:560px}
.hero .lead{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-notes{display:flex;flex-wrap:wrap;gap:22px}
.hero-notes .note{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);font-weight:600}
.hero-notes i{color:var(--brand);font-size:16px}
.hero-visual{position:relative}
.hero-visual .frame{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-hover);background:#fff;
}
.hero-visual .frame img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-visual .float-tag{
  position:absolute;left:-14px;bottom:26px;display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:var(--r-sm);background:var(--lime);color:#171430;
  font-size:13.5px;font-weight:800;box-shadow:var(--shadow);
}
.hero-visual .float-badge{
  position:absolute;right:-10px;top:22px;padding:8px 14px;border-radius:6px;
  background:var(--brand);color:#fff;font-size:12.5px;font-weight:800;letter-spacing:.02em;
}

/* ============ 锚点条 ============ */
.anchor-bar{background:#fff;padding:0 0 8px}
.anchor-list{
  display:flex;flex-wrap:wrap;gap:10px;padding:18px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.anchor-list li a{
  display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--r-btn);
  background:var(--brand-light);color:var(--brand);font-size:14px;font-weight:700;transition:.18s ease;
}
.anchor-list li a:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}

/* ============ 通用板块 ============ */
.section{padding:80px 0}
.section.tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:28px;margin:14px 0 12px}
.section-head p{color:var(--muted);font-size:16px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ============ 左右交替图文 ============ */
.zigzag{display:flex;flex-direction:column;gap:40px}
.zz-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--shadow);transition:.22s ease;
}
.zz-row:hover{border-color:rgba(108,59,244,.4);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.zz-row:nth-child(even) .zz-media{order:2}
.zz-media{border-radius:var(--r-sm);overflow:hidden;position:relative}
.zz-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.zz-media .mini{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:6px;
  background:rgba(20,17,48,.82);color:#fff;font-size:12px;font-weight:700;
}
.zz-num{
  font-size:60px;font-weight:800;line-height:1;letter-spacing:-.03em;
  color:transparent;-webkit-text-stroke:2px var(--brand);margin-bottom:10px;
}
@supports not (-webkit-text-stroke:2px #000){
  .zz-num{color:var(--brand-light);-webkit-text-stroke:0}
}
.zz-body h3{font-size:21px;margin-bottom:12px}
.zz-body p{color:var(--muted);margin-bottom:16px}
.dot-list li{
  position:relative;padding-left:16px;font-size:14.5px;color:#3a3559;
  line-height:1.7;margin-bottom:8px;
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:10px;width:3px;height:14px;
  background:var(--lime);border-radius:2px;
}
.zz-body .text-link{margin-top:18px}

/* ============ 检查条 ============ */
.check-band{background:var(--dark);border-radius:24px;padding:36px 40px}
.check-band h2{color:#fff;font-size:23px;margin-bottom:10px}
.check-band .sub{color:rgba(255,255,255,.72);font-size:15px;margin-bottom:26px;max-width:720px}
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.check-item{
  display:flex;gap:14px;padding:18px 20px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  transition:.2s ease;
}
.check-item:hover{border-color:rgba(198,255,61,.55);transform:translateY(-3px)}
.check-item i{color:var(--lime);font-size:20px;line-height:1.4}
.check-item h3{color:#fff;font-size:16px;margin-bottom:4px}
.check-item p{color:rgba(255,255,255,.7);font-size:13.5px}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;transition:.2s ease;
}
.faq-item:hover{border-color:rgba(108,59,244,.35)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:20px 22px;border:none;background:transparent;text-align:left;
  font-size:17px;font-weight:800;color:var(--ink);cursor:pointer;
}
.faq-q i{color:var(--brand);font-size:18px;transition:transform .2s ease;flex:none}
.faq-q[aria-expanded="true"]{color:var(--brand)}
.faq-q[aria-expanded="true"] i{transform:rotate(180deg)}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--muted)}
.faq-item.open{background:var(--brand-light);border-left:3px solid var(--lime)}
.faq-item.open .faq-q{color:var(--brand)}

/* ============ CTA 通栏 ============ */
.cta-band{background:var(--brand);border-radius:24px;padding:44px 48px;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:320px;height:240px;
  background:rgba(198,255,61,.18);clip-path:polygon(30% 0,100% 0,100% 100%,0 82%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:26px;margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.82);font-size:15.5px;max-width:620px}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);margin-top:88px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}
.footer-contact{margin-top:16px;font-size:14px;color:rgba(255,255,255,.66);line-height:1.9}
.footer-contact b{color:var(--lime);font-weight:700}
.footer-col h4{font-size:15.5px;color:#fff;margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-col ul a:hover{color:var(--lime)}
.sub-form{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.sub-form input{
  height:44px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;font-size:14.5px;transition:.18s ease;
}
.sub-form input::placeholder{color:rgba(255,255,255,.42)}
.sub-form input:focus{outline:none;border-color:var(--lime);background:rgba(255,255,255,.1)}
.sub-form button{
  height:46px;border:none;border-radius:var(--r-btn);background:var(--action);
  color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:.18s ease;
}
.sub-form button:hover{background:var(--action-hover);transform:translateY(-2px)}
.footer-note{font-size:12.5px;color:rgba(255,255,255,.45);margin-top:10px}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.75)}
.footer-bottom a:hover{color:var(--lime)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .mega-panel{width:720px;grid-template-columns:1fr 1fr}
  .mega-panel .mega-col:last-child{display:none}
  .hero h1{font-size:38px}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex}
  .nav-wrap{flex-wrap:wrap;height:auto;padding:12px 0;gap:12px}
  .nav-main,.nav-right{display:none}
  .site-header.nav-open .nav-main{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    width:100%;order:3;margin:8px 0 0;border-top:1px solid var(--line);padding-top:6px;
  }
  .site-header.nav-open .nav-main > li > a{display:block;padding:13px 4px;border-bottom:1px solid var(--line);font-size:15.5px}
  .site-header.nav-open .nav-main > li > a::after{display:none}
  .site-header.nav-open .nav-right{
    display:flex;flex-direction:column;align-items:stretch;gap:12px;width:100%;order:4;padding-bottom:14px;
  }
  .nav-cta{justify-content:center}
  .icon-btn{width:100%;border-radius:var(--r-sm)}
  .mega-item{width:100%}
  .mega-toggle{width:100%;justify-content:space-between;border-radius:var(--r-sm)}
  .mega-panel{
    position:static;width:100%;grid-template-columns:1fr;gap:18px;
    display:none;opacity:1;visibility:visible;transform:none;
    box-shadow:none;margin-top:10px;padding:18px;
  }
  .mega-panel .mega-col:last-child{display:block}
  .mega-item.open .mega-panel{display:grid}
  .hero{padding:48px 0 56px}
  .hero::after{width:380px;height:360px;opacity:.5}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:32px;max-width:none}
  .hero .lead{max-width:none}
  .section{padding:64px 0}
  .zz-row{grid-template-columns:1fr;gap:24px;padding:24px}
  .zz-row .zz-media,.zz-row:nth-child(even) .zz-media{order:0}
  .zz-num{font-size:48px}
  .check-grid{grid-template-columns:1fr}
  .cta-band{padding:34px 28px}
  .cta-inner h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px}
  .brand{font-size:16px}
  .hero{padding:36px 0 46px}
  .hero h1{font-size:27px}
  .hero .lead{font-size:15.5px}
  .hero-actions .btn-main,.hero-actions .btn-outline{width:100%}
  .hero-visual .float-tag{left:8px;bottom:12px;padding:8px 12px;font-size:12.5px}
  .hero-visual .float-badge{right:8px;top:12px}
  .section{padding:52px 0}
  .section-head h2{font-size:23px}
  .anchor-list li a{padding:7px 13px;font-size:13px}
  .zz-num{font-size:40px}
  .zz-body h3{font-size:19px}
  .check-band{padding:26px 20px;border-radius:18px}
  .cta-band{padding:28px 20px;border-radius:18px}
  .cta-actions{width:100%}
  .cta-actions .btn-main{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --brand:#6C3BF4;
  --brand-dark:#5A2BD8;
  --brand-light:#EDE7FE;
  --lime:#C6FF3D;
  --action:#FF5A3C;
  --action-hover:#E84A2D;
  --ink:#171430;
  --muted:#605C82;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --dark:#141130;
  --line:#E8E5F4;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:10px;
  --r-badge:6px;
  --r-img:12px;
  --sh:0 8px 24px rgba(23,20,48,.08);
  --sh-hover:0 14px 34px rgba(23,20,48,.14);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  font-weight:400;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
  border-radius:4px;
}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.01em;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}

.container{
  width:100%;
  max-width:1320px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(23,20,48,.08);}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:26px;
  height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:var(--ink);
  white-space:nowrap;
}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:9px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;
  font-size:17px;
  font-weight:800;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.nav-main{
  display:flex;
  align-items:center;
  gap:22px;
  margin-left:8px;
  flex:1;
}
.nav-main a{
  position:relative;
  display:inline-block;
  font-size:15.5px;
  color:var(--ink);
  padding:6px 0;
  transition:color .18s ease;
}
.nav-main a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-16px;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .18s ease;
}
.nav-main a:hover,.nav-main a:focus-visible{color:var(--brand);}
.nav-main a:hover::after,.nav-main a:focus-visible::after{transform:scaleX(1);}
.nav-main a.active{color:var(--brand);font-weight:700;}
.nav-main a.active::after{transform:scaleX(1);}
.nav-right{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
}
.nav-icon{
  width:38px;
  height:38px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  transition:all .18s ease;
}
.nav-icon:hover{color:var(--brand);border-color:rgba(108,59,244,.4);}

.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--action);
  color:#fff;
  font-size:15.5px;
  font-weight:700;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  box-shadow:0 8px 20px rgba(255,90,60,.24);
}
.btn-main:hover{background:var(--action-hover);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,60,.3);}
.btn-main:active{transform:translateY(1px);}
.btn-main.sm{height:42px;padding:0 22px;font-size:15px;}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid var(--brand);
  background:transparent;
  color:var(--brand);
  font-size:15.5px;
  font-weight:700;
  cursor:pointer;
  transition:all .18s ease;
}
.btn-ghost:hover{background:var(--brand-light);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}

.mega-item{position:relative;}
.mega-toggle{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:40px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--ink);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:all .18s ease;
}
.mega-toggle:hover{border-color:rgba(108,59,244,.4);color:var(--brand);}
.mega-panel{
  position:absolute;
  top:calc(100% + 14px);
  right:0;
  width:720px;
  padding:22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh);
  display:none;
  grid-template-columns:1.1fr 1.3fr 1fr;
  gap:22px;
  animation:megaIn .12s ease;
}
@keyframes megaIn{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}
.mega-panel.show{display:grid;}
@media (min-width:992px){
  .mega-item:hover .mega-panel,
  .mega-item:focus-within .mega-panel{display:grid;}
}
.mega-col h4{
  font-size:13px;
  color:var(--muted);
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:12px;
}
.mega-links li{margin-bottom:8px;}
.mega-links a{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  color:var(--ink);
  padding:7px 10px;
  border-radius:8px;
  transition:all .16s ease;
}
.mega-links a:hover{background:var(--brand-light);color:var(--brand-dark);}
.mega-news li{padding:8px 0;border-bottom:1px dashed var(--line);}
.mega-news li:last-child{border-bottom:0;}
.mega-news a{font-size:14.5px;color:var(--ink);display:block;transition:color .16s ease;}
.mega-news a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.mega-news .t{font-size:12.5px;color:var(--muted);margin-top:3px;}
.mega-card{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--brand-light);
  display:flex;
  flex-direction:column;
}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.mega-card .body{padding:12px 14px 16px;}
.mega-card .body strong{font-size:15px;display:block;margin-bottom:4px;}
.mega-card .body span{font-size:13px;color:var(--muted);}
.nav-burger{
  display:none;
  width:40px;
  height:40px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  font-size:20px;
  align-items:center;
  justify-content:center;
}
.nav-mobile{display:none;}
.mobile-links a{
  display:block;
  padding:12px 4px;
  border-bottom:1px solid var(--line);
  font-size:15.5px;
  color:var(--ink);
}
.mobile-links a.active{color:var(--brand);font-weight:700;}

@media (max-width:991.98px){
  .nav-main{display:none;}
  .mega-item{display:none;}
  .nav-burger{display:inline-flex;}
  .nav-mobile{display:block;padding-bottom:12px;}
  .mobile-links{padding-top:4px;}
}

/* ---------- Breadcrumb ---------- */
.crumb{padding:18px 0 2px;}
.crumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin:0;
  padding:0;
  list-style:none;
}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li::after{content:"/";color:#C6C2DA;}
.crumb li:last-child::after{display:none;}
.crumb a{color:var(--muted);transition:color .16s ease;}
.crumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.crumb li:last-child{color:var(--brand);font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:56px 0 72px;
  background:
    linear-gradient(180deg,#FFFFFF 0%,#F7F6FC 100%);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(108,59,244,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(108,59,244,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 78%);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  top:-40px;
  right:-60px;
  width:280px;
  height:280px;
  background:var(--lime);
  opacity:.22;
  transform:rotate(18deg);
  clip-path:polygon(20% 0,100% 0,100% 80%,0 100%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:var(--lime);
  color:var(--ink);
  font-size:12.5px;
  font-weight:700;
  padding:6px 12px;
  border-radius:var(--r-badge);
  margin-bottom:18px;
}
.hero h1{
  font-size:40px;
  line-height:1.26;
  margin-bottom:16px;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{
  font-size:16.5px;
  color:var(--muted);
  max-width:520px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.trust-row{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  padding-top:20px;
  border-top:1px solid var(--line);
}
.trust-row span{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13.5px;
  color:var(--muted);
}
.trust-row i{color:var(--brand);font-size:15px;}
.hero-media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh);
  border:1px solid var(--line);
  background:var(--brand-light);
}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.hero-badge{
  position:absolute;
  left:16px;
  bottom:16px;
  background:var(--brand);
  color:#fff;
  font-size:12.5px;
  font-weight:700;
  padding:7px 14px;
  border-radius:var(--r-badge);
}
.hero-tag{
  position:absolute;
  right:16px;
  top:16px;
  background:var(--lime);
  color:var(--ink);
  font-size:12.5px;
  font-weight:700;
  padding:7px 14px;
  border-radius:var(--r-badge);
}

/* ---------- Tag bar ---------- */
.tagbar{
  background:#fff;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:16px 0;
}
.tagbar ul{display:flex;flex-wrap:wrap;gap:10px;}
.tagbar a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  color:var(--brand-dark);
  background:var(--brand-light);
  border-radius:var(--r-badge);
  padding:7px 14px;
  transition:all .16s ease;
}
.tagbar a:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}

/* ---------- Sections ---------- */
.section{padding:78px 0;}
.section.alt{background:#fff;}
.sec-head{margin-bottom:34px;}
.sec-head .kicker{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  color:var(--brand);
  background:var(--brand-light);
  border-radius:var(--r-badge);
  padding:5px 12px;
  margin-bottom:12px;
}
.sec-head h2{font-size:28px;margin-bottom:10px;}
.sec-head p{color:var(--muted);font-size:15.5px;max-width:760px;}

/* ---------- Spec table ---------- */
.spec-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh);
}
.spec-table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
}
.spec-table thead th{
  background:var(--brand-light);
  color:var(--brand-dark);
  font-weight:800;
  font-size:15px;
  text-align:left;
  padding:18px 20px;
  border-bottom:1px solid var(--line);
}
.spec-table thead th:first-child{color:var(--muted);font-weight:700;width:150px;}
.spec-table tbody th{
  text-align:left;
  font-weight:800;
  font-size:15px;
  color:var(--ink);
  padding:16px 20px;
  background:#FBFAFF;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.spec-table tbody td{
  padding:16px 20px;
  color:var(--muted);
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.spec-table tbody tr:nth-child(even) th,
.spec-table tbody tr:nth-child(even) td{background:#FAF9FE;}
.spec-table tbody tr:last-child th,
.spec-table tbody tr:last-child td{border-bottom:0;}
.spec-table td strong{color:var(--ink);}

.spec-cards{display:none;}
.spec-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh);
  padding:20px;
  margin-bottom:18px;
}
.spec-card h3{
  font-size:18px;
  margin-bottom:6px;
  display:flex;
  align-items:center;
  gap:9px;
}
.spec-card h3 i{color:var(--brand);font-size:17px;}
.spec-card .tag{
  display:inline-block;
  background:var(--lime);
  color:var(--ink);
  font-size:12px;
  font-weight:700;
  border-radius:var(--r-badge);
  padding:4px 10px;
  margin-bottom:14px;
}
.spec-card dl{margin:0;}
.spec-card dt{
  font-size:13px;
  color:var(--muted);
  margin-top:12px;
}
.spec-card dd{
  margin:2px 0 0;
  font-size:15px;
  color:var(--ink);
  padding-left:12px;
  border-left:3px solid var(--lime);
}
@media (max-width:767.98px){
  .spec-wrap{display:none;}
  .spec-cards{display:block;}
}

/* ---------- Point cards ---------- */
.point-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.point-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--sh);
  transition:all .2s ease;
}
.point-card:hover{transform:translateY(-4px);border-color:rgba(108,59,244,.4);box-shadow:var(--sh-hover);}
.point-num{
  font-size:15px;
  font-weight:800;
  color:var(--brand);
  border:2px solid var(--brand);
  border-radius:10px;
  width:44px;
  height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
}
.point-card h3{font-size:18px;margin-bottom:8px;}
.point-card p{font-size:14.5px;color:var(--muted);}

/* ---------- Recommend cards ---------- */
.rec-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.gcard{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh);
  display:flex;
  flex-direction:column;
  transition:all .2s ease;
}
.gcard:hover{transform:translateY(-4px);border-color:rgba(108,59,244,.4);box-shadow:var(--sh-hover);}
.gcard .img{position:relative;background:var(--brand-light);}
.gcard .img img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.gcard .img .corner{
  position:absolute;
  top:12px;
  left:12px;
  background:var(--lime);
  color:var(--ink);
  font-size:12px;
  font-weight:700;
  padding:5px 11px;
  border-radius:var(--r-badge);
}
.gcard .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.gcard h3{font-size:17.5px;margin-bottom:8px;}
.gcard .attrs{
  font-size:13px;
  color:var(--muted);
  margin-bottom:10px;
  display:flex;
  flex-wrap:wrap;
  gap:6px;
}
.gcard .attrs span::after{content:"·";margin-left:6px;color:#C6C2DA;}
.gcard .attrs span:last-child::after{display:none;}
.gcard p.desc{
  font-size:14.5px;
  color:var(--muted);
  margin-bottom:18px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.gcard .foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px dashed var(--line);
}
.gcard .foot .benefit{font-size:14px;font-weight:700;color:var(--brand-dark);}
.icon-btn{
  width:40px;
  height:40px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:all .18s ease;
}
.icon-btn:hover{color:var(--action);border-color:rgba(255,90,60,.45);}

/* ---------- FAQ ---------- */
.acc-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:all .2s ease;
}
.acc-item:has(.collapse.show){border-left:3px solid var(--lime);background:#FCFBFF;}
.acc-btn{
  width:100%;
  text-align:left;
  background:transparent;
  border:0;
  padding:18px 22px;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  cursor:pointer;
}
.acc-btn::after{
  content:"+";
  font-size:20px;
  font-weight:700;
  color:var(--brand);
  line-height:1;
  transition:transform .2s ease;
}
.acc-btn[aria-expanded="true"]::after{content:"−";}
.acc-body{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--dark);
  padding:64px 0;
  margin-bottom:8px;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-inner h2{color:#fff;font-size:27px;margin-bottom:10px;}
.cta-inner p{color:#B9B4D8;font-size:15px;max-width:620px;}
.cta-actions{display:flex;align-items:center;gap:20px;flex:0 0 auto;}
.link-ghost{
  color:#fff;
  font-size:15px;
  font-weight:600;
  border-bottom:2px solid var(--lime);
  padding-bottom:3px;
  transition:color .18s ease;
}
.link-ghost:hover{color:var(--lime);}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--dark);
  color:#CFCBE6;
  padding:64px 0 26px;
  margin-top:72px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
}
.footer-col p{font-size:14px;color:#B9B4D8;line-height:1.8;}
.footer-contact{margin-top:14px;font-size:14px;color:#B9B4D8;}
.footer-contact b{color:#fff;font-weight:700;}
.footer-col h4{
  font-size:15px;
  color:#fff;
  margin-bottom:16px;
  font-weight:700;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{
  font-size:14.5px;
  color:#B9B4D8;
  transition:color .18s ease;
}
.footer-col ul a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:3px;}
.sub-form{display:flex;gap:10px;margin-top:14px;}
.sub-form input{
  flex:1;
  height:44px;
  border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  padding:0 14px;
  font-size:14.5px;
}
.sub-form input::placeholder{color:#8E88B0;}
.sub-form input:focus{outline:2px solid var(--lime);outline-offset:2px;border-color:transparent;}
.sub-form button{
  height:44px;
  padding:0 20px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--action);
  color:#fff;
  font-weight:700;
  font-size:14.5px;
  cursor:pointer;
  transition:all .18s ease;
}
.sub-form button:hover{background:var(--action-hover);transform:translateY(-2px);}
.footer-note{font-size:12.5px;color:#8E88B0;margin-top:10px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  padding-top:22px;
  font-size:13px;
  color:#8E88B0;
}
.footer-bottom a{color:#B9B4D8;}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .mega-panel{width:640px;}
}
@media (max-width:991.98px){
  .hero{padding:40px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero h1{font-size:32px;}
  .section{padding:56px 0;}
  .point-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px;}
}
@media (max-width:767.98px){
  .rec-grid{grid-template-columns:1fr;}
  .sec-head h2{font-size:23px;}
  .cta-inner h2{font-size:22px;}
}
@media (max-width:575.98px){
  .container{padding:0 18px;}
  .hero h1{font-size:27px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .btn-main,.btn-ghost{width:100%;}
  .point-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .sub-form{flex-direction:column;}
  .sub-form button{width:100%;}
  .acc-btn{font-size:16px;padding:16px 18px;}
  .acc-body{padding:0 18px 18px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category4 */
:root{
  --brand:#6C3BF4;
  --brand-dark:#5A2BD8;
  --brand-light:#EDE7FE;
  --lime:#C6FF3D;
  --action:#FF5A3C;
  --action-hover:#E84A2D;
  --ink:#171430;
  --muted:#605C82;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --deep:#141130;
  --line:#E8E5F4;
  --shadow:0 8px 24px rgba(23,20,48,.08);
  --shadow-hover:0 14px 34px rgba(23,20,48,.14);
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sec-y:88px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}
button{font:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}
@media (min-width:1200px){.container{max-width:1320px}}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;line-height:1.28;color:var(--ink);margin:0}
h1{font-size:40px}
h2{font-size:28px}
h3{font-size:19px}
p{margin:0}
.sec{padding:var(--sec-y) 0}
.sec-deep{background:var(--deep);color:#fff}
.sec-deep h2,.sec-deep h3{color:#fff}
.sec-head{margin-bottom:36px;max-width:760px}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  background:var(--brand-light);color:var(--brand);
  padding:5px 12px;border-radius:6px;margin-bottom:14px;
}
.sec-head p{color:var(--muted);margin-top:12px;font-size:15.5px}
.sec-deep .sec-head p{color:rgba(255,255,255,.72)}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(23,20,48,.08)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:68px}
.brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;color:var(--ink);white-space:nowrap;
  letter-spacing:-.01em;
}
.brand:hover{color:var(--brand);text-decoration:none}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:800;
  box-shadow:0 6px 14px rgba(108,59,244,.32);
}
.nav-main{
  display:flex;align-items:center;gap:24px;
  list-style:none;margin:0;padding:0;flex:1;
}
.nav-main>li>a{
  position:relative;display:inline-block;
  padding:22px 0;font-size:15.5px;font-weight:600;color:var(--ink);
}
.nav-main>li>a::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;
  background:var(--lime);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-main>li>a:hover,.nav-main>li>a:focus-visible{color:var(--brand);text-decoration:none}
.nav-main>li>a:hover::after,.nav-main>li>a:focus-visible::after{transform:scaleX(1)}
.nav-main>li>a.active{color:var(--brand)}
.nav-main>li>a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.mega-item{position:relative}
.mega-toggle{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  color:var(--ink);font-size:14.5px;font-weight:600;cursor:pointer;
  transition:border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.mega-toggle:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow)}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:820px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);padding:22px;
  display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .12s ease,transform .12s ease,visibility .12s;
}
.mega-item:hover .mega-panel,
.mega-item:focus-within .mega-panel,
.mega-item.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:13px;font-weight:800;color:var(--muted);letter-spacing:.03em;margin-bottom:12px}
.mega-links,.mega-news{list-style:none;margin:0;padding:0}
.mega-links li+li,.mega-news li+li{margin-top:8px}
.mega-links a{
  display:flex;align-items:center;gap:8px;
  padding:9px 10px;border-radius:10px;color:var(--ink);font-size:14.5px;font-weight:600;
}
.mega-links a:hover{background:var(--brand-light);color:var(--brand);text-decoration:none}
.mega-news a{font-size:14.5px;font-weight:600;color:var(--ink);display:block}
.mega-news a:hover{color:var(--brand);text-decoration:none}
.mega-news .t{font-size:12.5px;color:var(--muted);margin-top:2px}
.mega-card{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  display:flex;flex-direction:column;
}
.mega-card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.mega-card .mc-body{padding:12px 14px 14px}
.mega-card h5{font-size:15px;font-weight:800;margin:0 0 4px}
.mega-card p{font-size:13px;color:var(--muted)}
.btn-nav-cta{
  display:inline-flex;align-items:center;height:42px;padding:0 22px;
  background:var(--action);color:#fff;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:none;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
}
.btn-nav-cta:hover{background:var(--action-hover);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,90,60,.32)}
.btn-nav-cta:active{transform:translateY(1px)}
.nav-collapse-btn{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:18px;
}

/* ============ BREADCRUMB ============ */
.crumb-bar{padding:20px 0 0}
.crumb{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;font-size:13px;color:var(--muted)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#C9C4DE}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .cur{color:var(--brand);font-weight:700}

/* ============ HERO ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:44px 0 64px;
  background:
    linear-gradient(0deg,rgba(255,255,255,.86),rgba(255,255,255,.86)),
    repeating-linear-gradient(0deg,rgba(108,59,244,.09) 0 1px,transparent 1px 26px),
    repeating-linear-gradient(90deg,rgba(108,59,244,.09) 0 1px,transparent 1px 26px),
    var(--bg);
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;
  background:var(--brand-light);transform:rotate(18deg);border-radius:48px;z-index:0;
}
.hero-row{position:relative;z-index:1;align-items:center}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.badge-lime{background:var(--lime);color:#171430;font-size:12px;font-weight:800;padding:5px 11px;border-radius:6px}
.badge-soft{background:var(--brand-light);color:var(--brand);font-size:12px;font-weight:700;padding:5px 11px;border-radius:6px}
.cat-hero h1{font-size:40px;margin-bottom:16px}
.cat-hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:16.5px;color:var(--muted);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border:none;cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease}
.btn-main{height:48px;padding:0 28px;background:var(--action);color:#fff;border-radius:var(--r-pill);font-size:15.5px}
.btn-main:hover{background:var(--action-hover);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,90,60,.34)}
.btn-main:active{transform:translateY(1px)}
.btn-ghost{height:48px;padding:0 26px;background:transparent;color:var(--brand);border:1.5px solid var(--brand);border-radius:var(--r-btn2,12px);font-size:15.5px}
.btn-ghost:hover{background:var(--brand);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-line{height:44px;padding:0 22px;background:transparent;color:var(--muted);border:1.5px solid var(--line);border-radius:var(--r-btn2,12px);font-size:14.5px}
.btn-line:hover{color:var(--brand);border-color:var(--brand);text-decoration:none;transform:translateY(-2px)}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;list-style:none;margin:0;padding:0}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);font-weight:600}
.hero-trust i{color:var(--brand);font-size:17px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--shadow);
}
.visual-tag{
  position:absolute;left:18px;top:18px;
  background:var(--lime);color:#171430;font-size:12.5px;font-weight:800;
  padding:6px 12px;border-radius:6px;box-shadow:0 6px 16px rgba(23,20,48,.18);
}
.visual-note{
  position:absolute;right:18px;bottom:18px;
  background:var(--deep);color:#fff;font-size:13px;font-weight:600;
  padding:10px 14px;border-radius:12px;
  display:flex;align-items:center;gap:8px;
}
.visual-note i{color:var(--lime)}
.anchor-bar{
  display:flex;flex-wrap:wrap;gap:12px;list-style:none;margin:0;padding:0;
}
.anchor-bar li a{
  display:inline-block;padding:8px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--ink);
  font-size:14px;font-weight:600;box-shadow:0 2px 8px rgba(23,20,48,.04);
}
.anchor-bar li a:hover{border-color:var(--brand);color:var(--brand);text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow)}

/* ============ METRIC CARDS ============ */
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.metric-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;display:flex;gap:16px;align-items:flex-start;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(108,59,244,.4)}
.metric-ico{
  width:46px;height:46px;flex:0 0 46px;border-radius:12px;
  background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;font-size:21px;
}
.metric-card .num{font-size:26px;font-weight:800;line-height:1.2}
.metric-card .num small{font-size:14px;font-weight:700;color:var(--muted);margin-left:4px}
.metric-card .lb{font-size:13.5px;color:var(--muted);margin-top:4px}

/* ============ RANK LIST ============ */
.rank-list{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.rank-item{
  display:flex;align-items:center;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rank-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(108,59,244,.4)}
.rank-no{
  flex:0 0 46px;height:46px;border-radius:12px;
  display:grid;place-items:center;
  font-size:16px;font-weight:800;
  background:var(--brand-light);color:var(--brand);
}
.rank-no.top{background:var(--lime);color:#171430;box-shadow:0 6px 16px rgba(198,255,61,.5)}
.rank-thumb{flex:0 0 96px;width:96px}
.rank-thumb img{width:96px;aspect-ratio:1/1;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line)}
.rank-body{flex:1;min-width:0}
.rank-body h3{font-size:18px;margin-bottom:6px}
.rank-body p{font-size:14.5px;color:var(--muted);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.rank-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.rank-tags span{font-size:12.5px;color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:3px 9px}
.rank-go{
  flex:0 0 44px;width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--brand);font-size:18px;
  transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;
}
.rank-go:hover{background:var(--brand);color:#fff;border-color:var(--brand);text-decoration:none;transform:translateY(-2px)}

/* ============ TIMELINE ============ */
.timeline{position:relative;margin:0;padding:0 0 0 34px;list-style:none}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,var(--lime) 100%);border-radius:2px;
}
.timeline li{position:relative;padding:0 0 26px 4px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-33px;top:6px;
  width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.timeline li:first-child::before{border-color:var(--action);background:var(--action)}
.timeline .tl-step{font-size:12.5px;font-weight:800;color:var(--brand);letter-spacing:.04em}
.timeline h3{font-size:17.5px;margin:5px 0 6px}
.timeline p{font-size:14.5px;color:var(--muted)}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;transition:transform .2s ease,box-shadow .2s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px}
.accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  background:var(--card);transition:border-color .2s ease,box-shadow .2s ease;
}
.accordion-item:hover{border-color:rgba(108,59,244,.4);box-shadow:var(--shadow)}
.accordion-button{
  width:100%;text-align:left;background:transparent;border:none;
  padding:20px 22px;font-size:17px;font-weight:800;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.accordion-button::after{
  content:"\F282";font-family:"bootstrap-icons";font-size:15px;color:var(--brand);
  transition:transform .2s ease;flex:0 0 auto;
}
.accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-light);box-shadow:none}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.accordion-button:focus{box-shadow:none}
.accordion-body{padding:4px 22px 22px;font-size:15px;line-height:1.8;color:var(--muted)}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--lime);background:var(--brand-light)}
.accordion-item:has(.accordion-button:not(.collapsed)) .accordion-body{color:var(--ink)}

/* ============ CTA ============ */
.cta-band{
  background:var(--deep);border-radius:24px;padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;
  background:rgba(108,59,244,.35);border-radius:64px;transform:rotate(20deg);
}
.cta-band .cta-txt{position:relative;z-index:1;max-width:640px}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.72);font-size:15.5px}
.cta-band .cta-act{position:relative;z-index:1;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta-link{color:#fff;font-weight:700;font-size:15px;border-bottom:2px solid var(--lime);padding-bottom:2px}
.cta-link:hover{color:var(--lime);text-decoration:none}

/* ============ FOOTER ============ */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62)}
.footer-contact{margin-top:16px;font-size:14px;color:rgba(255,255,255,.62)}
.footer-contact b{color:var(--lime);font-weight:700}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col ul a{color:rgba(255,255,255,.72);font-size:14.5px}
.footer-col ul a:hover{color:var(--lime);text-decoration:none}
.sub-form{display:flex;flex-direction:column;gap:12px;margin-top:12px}
.sub-form input{
  height:46px;border-radius:var(--r-input);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:15px;
}
.sub-form input::placeholder{color:rgba(255,255,255,.45)}
.sub-form input:focus{outline:2px solid var(--lime);outline-offset:1px;border-color:transparent}
.sub-form button{
  height:46px;border-radius:var(--r-pill);border:none;
  background:var(--action);color:#fff;font-weight:800;font-size:15px;
  transition:background .18s ease,transform .18s ease;
}
.sub-form button:hover{background:var(--action-hover);transform:translateY(-2px)}
.footer-note{font-size:12.5px;color:rgba(255,255,255,.45);margin-top:10px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--lime);text-decoration:none}
.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ============ RESPONSIVE ============ */
@media (max-width:1199px){
  .mega-panel{width:680px;grid-template-columns:1fr 1fr}
  .mega-card{display:none}
}
@media (max-width:991px){
  :root{--sec-y:60px}
  .nav-collapse-btn{display:inline-flex}
  .nav-wrap{height:64px;gap:14px}
  .nav-main{
    position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    padding:10px 24px 18px;box-shadow:var(--shadow);
    display:none;
  }
  .nav-main.show{display:flex}
  .nav-main>li>a{padding:12px 0;font-size:16px;border-bottom:1px solid var(--line)}
  .nav-main>li>a::after{display:none}
  .nav-main>li>a.active{color:var(--brand)}
  .nav-right{margin-left:auto}
  .btn-nav-cta{display:none}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border-radius:12px;margin:8px 0 4px;
    display:none;grid-template-columns:1fr;padding:16px;
  }
  .mega-item.open .mega-panel{display:grid}
  .cat-hero{padding:32px 0 52px}
  .cat-hero::after{display:none}
  .cat-hero h1{font-size:32px}
  .hero-visual{margin-top:32px}
  .metric-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .cat-hero h1{font-size:29px}
  .hero-sub{font-size:15.5px}
  .metric-grid{grid-template-columns:1fr}
  .rank-item{flex-wrap:wrap;gap:14px}
  .rank-thumb{flex:0 0 72px;width:72px}
  .rank-thumb img{width:72px}
  .rank-body{flex:1 1 calc(100% - 130px)}
  .rank-go{flex:0 0 100%;width:100%;border-radius:12px;height:42px}
  .cta-band{padding:34px 24px}
  .cta-band h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:575px){
  .container{padding:0 18px}
  h2{font-size:23px}
  .cat-hero h1{font-size:26px}
  .hero-actions .btn{width:100%}
  .rank-body{flex:1 1 100%}
  .timeline{padding-left:28px}
}

/* roulang page: category5 */
:root{
  --brand:#6C3BF4;
  --brand-dark:#5A2BD8;
  --brand-soft:#EDE7FE;
  --lime:#C6FF3D;
  --action:#FF5A3C;
  --action-hover:#E84A2D;
  --ink:#171430;
  --muted:#605C82;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --dark:#141130;
  --line:#E8E5F4;
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --radius-badge:6px;
  --shadow:0 8px 24px rgba(23,20,48,.08);
  --shadow-hover:0 14px 34px rgba(23,20,48,.14);
  --container:1320px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand)}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3}
h1{font-size:40px}
h2{font-size:28px}
h3{font-size:19px}
h4{font-size:16px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{list-style:none;margin:0;padding:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section-tight{padding:48px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px;flex-wrap:wrap}
.section-head .lead{color:var(--muted);font-size:15.5px;margin-top:8px;max-width:720px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-dark);background:var(--brand-soft);border-radius:999px;padding:6px 14px;margin-bottom:14px}
.eyebrow i{color:var(--brand)}
.link-more{font-size:14.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(23,20,48,.08)}
.nav-wrap{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18.5px;color:var(--ink);white-space:nowrap}
.brand:hover{color:var(--ink)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;display:grid;place-items:center;font-size:17px;font-weight:800;box-shadow:0 6px 16px rgba(108,59,244,.35);flex:0 0 auto}
.nav-main{display:flex;align-items:center;gap:24px;margin-left:6px}
.nav-main a{position:relative;font-size:15.5px;font-weight:500;color:var(--muted);padding:6px 0}
.nav-main a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:var(--lime);transition:right .2s ease}
.nav-main a:hover,.nav-main a.active{color:var(--ink)}
.nav-main a:hover::after,.nav-main a.active::after{right:0}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;color:var(--muted);transition:.2s}
.icon-btn:hover{border-color:var(--brand);color:var(--brand)}
.mega-item{position:relative}
.mega-toggle{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14.5px;font-weight:600;color:var(--ink);transition:.2s}
.mega-toggle:hover{border-color:var(--brand);color:var(--brand)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:780px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);padding:22px;display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(6px);z-index:1050;
  transition:opacity .12s ease,transform .12s ease,visibility .12s ease;
}
.mega-item:hover .mega-panel,.mega-item:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:13px;color:var(--muted);letter-spacing:.02em;margin-bottom:12px}
.mega-links li+li{margin-top:8px}
.mega-links a,.mega-news a{display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--ink);font-weight:500}
.mega-links a i{color:var(--brand)}
.mega-links a:hover,.mega-news a:hover{color:var(--brand)}
.mega-news li+li{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}
.mega-news .t{font-size:12.5px;color:var(--muted);margin-top:4px}
.mega-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-card);padding:14px}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);margin-bottom:12px}
.mega-card h4{font-size:15px;color:var(--ink);margin-bottom:6px}
.mega-card p{font-size:13px;color:var(--muted);margin-bottom:12px}
.nav-burger{display:none;width:42px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:20px;place-items:center}
.mobile-nav{border-top:1px solid var(--line);background:#fff}
.mobile-nav ul{padding:14px 0}
.mobile-nav li+li{border-top:1px dashed var(--line)}
.mobile-nav a{display:block;padding:12px 0;font-size:15.5px;font-weight:500;color:var(--ink)}
.mobile-nav a.active{color:var(--brand);font-weight:700}
.mobile-nav .btn-main{width:100%;margin:8px 0 18px}

/* ---------- buttons ---------- */
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border:0;border-radius:999px;background:var(--action);color:#fff;font-size:15.5px;font-weight:700;box-shadow:0 10px 22px rgba(255,90,60,.26);transition:transform .18s ease,background .18s ease,box-shadow .18s ease}
.btn-main:hover,.btn-main:focus{background:var(--action-hover);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,90,60,.32)}
.btn-main:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,90,60,.24)}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:12px;border:1.5px solid var(--brand);background:transparent;color:var(--brand);font-size:15.5px;font-weight:700;transition:.2s}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:40px;padding:0 18px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:14px;font-weight:600;transition:.2s}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{height:36px;padding:0 14px;font-size:13.5px}

/* ---------- badges ---------- */
.badge-lime{display:inline-flex;align-items:center;gap:5px;background:var(--lime);color:#1A2600;font-size:12px;font-weight:800;border-radius:var(--radius-badge);padding:4px 9px}
.badge-soft{display:inline-flex;align-items:center;gap:5px;background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:700;border-radius:var(--radius-badge);padding:4px 9px}
.badge-line{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:12px;font-weight:600;border-radius:var(--radius-badge);padding:4px 9px}

/* ---------- breadcrumb ---------- */
.crumb{font-size:13px;color:var(--muted);padding:18px 0 0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{margin:0 8px;color:#B7B2D6}
.crumb .now{color:var(--brand-dark);font-weight:700}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line)}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(108,59,244,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(108,59,244,.055) 1px,transparent 1px);
  background-size:46px 46px;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:60px;
  background:linear-gradient(135deg,var(--brand-soft),rgba(198,255,61,.35));transform:rotate(18deg);z-index:0;
}
.cat-hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:56px 0 60px}
.hero-copy h1{font-size:42px;margin-bottom:16px}
.hero-copy h1 span{color:var(--brand)}
.hero-sub{font-size:17px;color:var(--muted);max-width:520px;margin-bottom:26px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.trust-row{display:flex;gap:26px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);font-weight:600}
.trust-item i{color:var(--brand);font-size:17px}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-card);box-shadow:var(--shadow)}
.hero-tag{position:absolute;left:18px;bottom:18px;background:rgba(20,17,48,.86);color:#fff;border-radius:12px;padding:10px 16px;font-size:13.5px;font-weight:600;backdrop-filter:none}
.hero-tag b{color:var(--lime)}
.hero-flag{position:absolute;right:-10px;top:20px;background:var(--lime);color:#1A2600;font-size:13px;font-weight:800;border-radius:var(--radius-badge);padding:7px 14px;box-shadow:0 10px 22px rgba(23,20,48,.16)}

/* ---------- anchor bar ---------- */
.anchor-bar{background:#fff;border-bottom:1px solid var(--line);padding:14px 0}
.anchor-list{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.anchor-list .tag{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--bg);border-radius:999px;padding:7px 15px;font-size:13.5px;font-weight:600;color:var(--muted);transition:.2s}
.anchor-list .tag:hover{border-color:var(--brand);color:var(--brand);background:#fff}
.anchor-list .tag.is-on{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- main layout ---------- */
.cat-grid{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:30px;align-items:start}
.list-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.list-head h2{font-size:24px}
.list-head .count{font-size:13.5px;color:var(--muted)}
.dense-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.dense-card{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:14px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.dense-card:hover{border-color:rgba(108,59,244,.4);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.dense-thumb{flex:0 0 100px;width:100px;aspect-ratio:1/1;border-radius:var(--radius-img);overflow:hidden;background:var(--brand-soft)}
.dense-thumb img{width:100%;height:100%;object-fit:cover}
.dense-body{min-width:0;display:flex;flex-direction:column}
.dense-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.dense-body h3{font-size:16.5px;line-height:1.45;margin-bottom:7px}
.dense-body h3 a:hover{color:var(--brand)}
.dense-text{font-size:13.8px;color:var(--muted);line-height:1.68;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.dense-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted)}
.dense-foot a{font-weight:700;color:var(--brand)}

/* ---------- sidebar ---------- */
.side-col{position:sticky;top:88px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;margin-bottom:20px}
.side-card h3{font-size:16.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand)}
.side-links li+li{margin-top:10px}
.side-links a{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:600;color:var(--ink);padding:9px 12px;border-radius:12px;background:var(--bg);transition:.2s}
.side-links a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.side-links a i{color:var(--brand);font-size:16px}
.side-note{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);background:#fff;border-radius:var(--radius-input);padding:11px 14px;font-size:14.5px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{resize:vertical;min-height:84px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(198,255,61,.35)}
.consult-form .btn-main{width:100%;margin-top:6px}
.form-tip{font-size:12.5px;color:var(--muted);margin-top:10px;text-align:center}
.side-stat{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.side-stat div{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px}
.side-stat b{display:block;font-size:20px;color:var(--brand);font-weight:800;line-height:1.2}
.side-stat span{font-size:12.5px;color:var(--muted)}

/* ---------- faq ---------- */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-acc .accordion-item{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;margin-bottom:14px;overflow:hidden}
.faq-acc .accordion-button{
  font-size:17px;font-weight:700;color:var(--ink);background:#fff;padding:20px 22px;box-shadow:none;border-radius:0;
}
.faq-acc .accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-dark);box-shadow:inset 3px 0 0 var(--lime)}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--lime);outline-offset:-2px}
.faq-acc .accordion-button::after{background-size:14px;width:14px;height:14px}
.faq-acc .accordion-body{padding:6px 22px 22px;font-size:15px;line-height:1.85;color:var(--muted);background:#fff}

/* ---------- cta ---------- */
.cta-band{background:var(--dark);border-radius:0;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;left:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(108,59,244,.55),transparent 68%)}
.cta-band::after{content:"";position:absolute;right:40px;top:-60px;width:220px;height:220px;border-radius:40px;background:linear-gradient(135deg,rgba(198,255,61,.22),transparent);transform:rotate(20deg)}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:56px 0;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:28px;margin-bottom:10px}
.cta-inner p{color:#BDB8DC;font-size:15px;max-width:560px}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta-actions .link-more{color:var(--lime)}
.cta-actions .link-more:hover{color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#C9C5E4;padding-top:64px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--brand),#8A63FF)}
.site-footer p{font-size:13.8px;line-height:1.8;color:#A9A4CB}
.footer-contact{margin-top:16px;font-size:13.5px;color:#A9A4CB}
.footer-contact b{color:#fff;font-weight:600}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.site-footer ul li+li{margin-top:10px}
.site-footer ul a{font-size:14px;color:#B4AFD6}
.site-footer ul a:hover{color:var(--lime)}
.sub-form{display:flex;gap:10px;margin-top:4px}
.sub-form input{flex:1;min-width:0;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);border-radius:var(--radius-input);padding:11px 14px;color:#fff;font-size:14px}
.sub-form input::placeholder{color:#8B86AE}
.sub-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(198,255,61,.28)}
.sub-form button{border:0;border-radius:var(--radius-input);background:var(--action);color:#fff;font-weight:700;font-size:14px;padding:0 18px;transition:.2s}
.sub-form button:hover{background:var(--action-hover)}
.footer-note{font-size:12.5px;color:#8B86AE;margin-top:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#938EB6}
.footer-bottom a{color:var(--lime)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .cat-grid{grid-template-columns:minmax(0,1fr) 320px}
  .hero-copy h1{font-size:36px}
}
@media (max-width:991px){
  h1{font-size:30px}
  .nav-main{display:none}
  .nav-burger{display:grid}
  .mega-item{display:none}
  .hero-grid{grid-template-columns:1fr;gap:28px;padding:36px 0 44px}
  .hero-copy h1{font-size:30px}
  .cat-grid{grid-template-columns:minmax(0,1fr)}
  .side-col{position:static;margin-top:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:52px 0}
}
@media (max-width:767px){
  .dense-grid{grid-template-columns:minmax(0,1fr)}
  .cta-inner{padding:44px 0}
  .cta-inner h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:575px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .nav-wrap{gap:12px}
  .brand{font-size:16px}
  .brand-mark{width:30px;height:30px;font-size:15px}
  .hero-copy h1{font-size:26px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn-main,.hero-actions .btn-outline{width:100%}
  .dense-card{flex-direction:row;gap:12px;padding:12px}
  .dense-thumb{flex:0 0 84px;width:84px}
  .list-head h2{font-size:20px}
  .sub-form{flex-direction:column}
  .sub-form button{height:44px}
  .trust-row{gap:14px}
}