/* roulang page: index */
:root{
  --brand:#5b6ef5;
  --brand-2:#8a5cf6;
  --brand-deep:#2b2f6b;
  --ink:#12142b;
  --ink-2:#3b4063;
  --muted:#6b7192;
  --line:#e6e8f2;
  --bg:#f6f7fc;
  --card:#ffffff;
  --radius-xl:26px;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(23,26,63,.06);
  --shadow-md:0 14px 34px rgba(23,26,63,.11);
  --shadow-lg:0 26px 60px rgba(17,20,55,.20);
  --grad:linear-gradient(135deg,#5b6ef5 0%,#8a5cf6 100%);
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
:focus-visible{outline:3px solid rgba(91,110,245,.45);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.row{max-width:var(--container);margin-left:auto;margin-right:auto}
.row .column{padding:10px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 10px 28px rgba(23,26,63,.09)}
.header-inner{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.01em;color:var(--ink);white-space:nowrap}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--grad);display:grid;place-items:center;color:#fff;box-shadow:0 8px 18px rgba(91,110,245,.36);flex:none}
.brand-mark svg{width:19px;height:19px}
.primary-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 15px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink-2);transition:background .2s ease,color .2s ease}
.nav-link:hover{background:#f1f3ff;color:var(--brand-deep)}
.nav-link.is-active{color:#4653d8;font-weight:700;background:#edf0ff}
.nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:-13px;transform:translateX(-50%);width:18px;height:3px;border-radius:3px;background:var(--grad)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:6px;background:#f4f5fb;border:1px solid var(--line);border-radius:999px;padding:4px 5px 4px 14px;transition:border-color .2s,box-shadow .2s,background .2s}
.search-box:focus-within{background:#fff;border-color:#c5cdfa;box-shadow:0 0 0 4px rgba(91,110,245,.13)}
.search-box input{border:0;background:transparent;width:148px;font-size:14px;color:var(--ink);outline:none;padding:0;height:28px}
.search-box input::placeholder{color:#9aa0bd}
.search-box button{border:0;width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;transition:transform .2s ease}
.search-box button:hover{transform:scale(1.06)}
.search-box svg{width:14px;height:14px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line);background:#fff;padding:0;margin-left:auto;place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-2);margin:3px auto;transition:.2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;line-height:1.2}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(91,110,245,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(91,110,245,.40)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(91,110,245,.30)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand-deep);border-color:#d5dbf7}
.btn-outline:hover{border-color:var(--brand);color:#4653d8;transform:translateY(-2px);box-shadow:0 10px 22px rgba(91,110,245,.16)}
.btn-sm{padding:9px 17px;font-size:14px;border-radius:9px}

/* ---------- Hero ---------- */
.hero{padding:32px 0 0}
.hero-card{position:relative;display:grid;grid-template-columns:1.42fr .88fr;gap:40px;padding:52px 46px;border-radius:var(--radius-xl);overflow:hidden;color:#fff;background:linear-gradient(120deg,#1d1b4a 0%,#332f7a 46%,#4b3f92 100%);box-shadow:var(--shadow-lg)}
.hero-card::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.22}
.hero-card::after{content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(138,92,246,.55),rgba(91,110,245,0) 68%)}
.hero-main{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);font-size:13px;font-weight:600;letter-spacing:.04em}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:#8ff0c6;display:inline-block}
.hero-title{font-size:clamp(28px,3.3vw,42px);line-height:1.28;font-weight:800;letter-spacing:-.01em;margin:20px 0 14px}
.hero-sub{font-size:16px;color:rgba(255,255,255,.86);font-weight:500;margin-bottom:16px}
.hero-text{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.78);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.pill{display:inline-flex;align-items:center;padding:7px 15px;border-radius:999px;font-size:13.5px;font-weight:500;color:rgba(255,255,255,.9);background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);transition:background .2s ease,transform .2s ease}
.pill:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.hero-side{position:relative;z-index:2;align-self:start}
.hero-panel{background:rgba(255,255,255,.97);border-radius:18px;padding:24px 24px 18px;color:var(--ink);box-shadow:0 22px 44px rgba(10,12,40,.30)}
.panel-title{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand);text-transform:uppercase;margin-bottom:6px}
.node-list li{display:flex;align-items:flex-start;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line)}
.node-list li:last-child{border-bottom:0}
.node-dot{width:11px;height:11px;border-radius:50%;background:#d6dbf6;margin-top:8px;flex:none;position:relative}
.node.is-done .node-dot{background:var(--grad);box-shadow:0 0 0 4px rgba(91,110,245,.14)}
.node.is-live .node-dot{background:#8a5cf6;box-shadow:0 0 0 4px rgba(138,92,246,.16)}
.node div{flex:1;min-width:0}
.node strong{display:block;font-size:14.5px;font-weight:700;color:var(--ink)}
.node em{display:inline-block;font-style:normal;font-size:12px;font-weight:600;color:var(--brand);background:#eef1ff;border-radius:6px;padding:2px 8px;margin-top:5px}
.node.is-plan em{color:#8a6f2f;background:#fdf4e0}
.node.is-plan .node-dot{background:#f0e2bd}
.panel-foot{font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:6px}

/* ---------- Sections ---------- */
.section{padding:68px 0}
.section--soft{background:linear-gradient(180deg,#f7f8fd 0%,#fff 100%)}
.section--deep{background:#0f1230;color:#fff}
.section-head{max-width:740px;margin-bottom:36px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;letter-spacing:.10em;color:var(--brand)}
.section-kicker::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--grad)}
.section-head--center .section-kicker::after{content:"";width:26px;height:2px;border-radius:2px;background:var(--grad)}
.section-title{font-size:clamp(23px,2.4vw,31px);font-weight:800;letter-spacing:-.01em;margin:14px 0 12px;line-height:1.35}
.section-desc{font-size:15.5px;color:var(--muted);line-height:1.85}
.section--deep .section-title{color:#fff}
.section--deep .section-desc{color:rgba(255,255,255,.72)}

/* ---------- Stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d9defb}
.stat-num{font-size:32px;font-weight:800;letter-spacing:-.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.stat-label{font-size:14.5px;font-weight:700;margin-top:8px}
.stat-text{font-size:13.5px;color:var(--muted);margin-top:6px;line-height:1.7}

/* ---------- Cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;height:100%;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d7ddfb}
.card-ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:#eef1ff;color:#4a57dd;margin-bottom:16px}
.card-ico svg{width:22px;height:22px}
.card-title{font-size:17px;font-weight:700;line-height:1.45;margin-bottom:9px}
.card-text{font-size:14.5px;color:var(--ink-2);line-height:1.78}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;font-size:12.5px;font-weight:600;color:#4854cf;background:#eef1ff}
.tag--gray{color:var(--muted);background:#f2f3f9}

/* ---------- Compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-card{border-radius:var(--radius-lg);padding:30px 28px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}
.compare-card--good{background:linear-gradient(180deg,#f5f7ff 0%,#fff 100%);border-color:#ccd5fb;box-shadow:0 16px 36px rgba(91,110,245,.14)}
.compare-title{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin-bottom:18px}
.compare-badge{font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;background:#f2f3f9;color:var(--muted)}
.compare-card--good .compare-badge{background:var(--grad);color:#fff}
.compare-list li{display:flex;gap:11px;font-size:14.5px;color:var(--ink-2);padding:11px 0;border-bottom:1px dashed var(--line);line-height:1.72}
.compare-list li:last-child{border-bottom:0}
.cmp-ico{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;flex:none;margin-top:3px;background:#f2f3f9;color:#9aa0bd}
.compare-card--good .cmp-ico{background:#e6ebff;color:#4a57dd}
.cmp-ico svg{width:12px;height:12px}

/* ---------- Roadmap ---------- */
.roadmap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.roadmap::before{content:"";position:absolute;top:30px;left:6%;right:6%;height:2px;background:linear-gradient(90deg,#e3e7fd,#c8d1fb);z-index:0}
.roadmap-item{position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.roadmap-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d3dafb}
.roadmap-dot{width:14px;height:14px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 5px rgba(91,110,245,.12);margin-bottom:16px}
.roadmap-stage{font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--brand)}
.roadmap-item h3{font-size:16px;font-weight:700;margin:8px 0 8px}
.roadmap-item p{font-size:13.8px;color:var(--muted);line-height:1.75}
.status{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;margin-top:14px;background:#eaf7f0;color:#1f7a52}
.status--live{background:#eef1ff;color:#4653d8}
.status--plan{background:#fdf4e0;color:#8a6f2f}

/* ---------- Channels ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.channel-card{position:relative;display:block;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 28px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.channel-card::after{content:"";position:absolute;right:-70px;bottom:-90px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(138,92,246,.16),rgba(138,92,246,0) 68%)}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#ccd5fb}
.channel-num{font-size:13px;font-weight:800;letter-spacing:.14em;color:#a3a9c9}
.channel-card h3{font-size:20px;font-weight:800;margin:12px 0 10px}
.channel-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.channel-more{display:inline-flex;align-items:center;gap:7px;margin-top:20px;font-size:14px;font-weight:700;color:#4653d8}
.channel-more svg{width:14px;height:14px;transition:transform .2s ease}
.channel-card:hover .channel-more svg{transform:translateX(4px)}

/* ---------- Media cards ---------- */
.media-card{height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d7ddfb}
.media-thumb{position:relative;overflow:hidden}
.media-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.media-card:hover .media-thumb img{transform:scale(1.04)}
.media-body{padding:22px}
.media-body h3{font-size:16.5px;font-weight:700;line-height:1.5;margin-bottom:9px}
.media-body p{font-size:14px;color:var(--muted);line-height:1.78}

/* ---------- News ---------- */
.news-card{display:block;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d7ddfb}
.news-card h3{font-size:16.5px;font-weight:700;line-height:1.55;margin-bottom:10px;color:var(--ink)}
.news-card:hover h3{color:#4653d8}
.news-card p{font-size:14px;color:var(--muted);line-height:1.78}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:12.5px;color:#8a90b0}
.news-meta time{font-variant-numeric:tabular-nums}
.empty-tip{padding:34px;text-align:center;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:var(--radius);font-size:15px}

/* ---------- Mini list ---------- */
.mini-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.mini-item{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.mini-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d7ddfb}
.mini-item strong{display:block;font-size:15px;font-weight:700;line-height:1.6;margin-bottom:6px}
.mini-item span{font-size:13px;color:var(--muted)}

/* ---------- Guards ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.guard{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.guard:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.guard-ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#eef1ff;color:#4a57dd;flex:none}
.guard-ico svg{width:20px;height:20px}
.guard h3{font-size:15.5px;font-weight:700;margin-bottom:6px}
.guard p{font-size:13.5px;color:var(--muted);line-height:1.72}

/* ---------- Quick answers ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.qa{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.qa:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.qa-num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff;font-weight:800;font-size:15px;margin-bottom:14px}
.qa h3{font-size:16.5px;font-weight:700;margin-bottom:9px;line-height:1.5}
.qa p{font-size:14.2px;color:var(--ink-2);line-height:1.8}

/* ---------- Scenarios ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.scene{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.scene:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d7ddfb}
.scene-ico{width:30px;height:30px;border-radius:9px;background:#eef1ff;color:#4a57dd;display:grid;place-items:center;flex:none}
.scene-ico svg{width:15px;height:15px}
.scene p{font-size:14.2px;color:var(--ink-2);line-height:1.72}

/* ---------- Reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.review:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.stars{display:flex;gap:3px;margin-bottom:14px;color:#f0a63c}
.stars svg{width:15px;height:15px}
.review p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.review-author{display:flex;align-items:center;gap:10px;margin-top:18px;font-size:13.5px;color:var(--muted)}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;flex:none}

/* ---------- Steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step-num{font-size:34px;font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:14px}
.step h3{font-size:17px;font-weight:700;margin-bottom:9px}
.step p{font-size:14.2px;color:var(--muted);line-height:1.78}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:4px 24px;box-shadow:var(--shadow-sm);margin-bottom:14px;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#d7ddfb;box-shadow:0 10px 26px rgba(23,26,63,.09)}
.faq-item summary{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:19px 0;font-size:16px;font-weight:700;cursor:pointer;list-style:none;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;font-weight:600;color:var(--brand);flex:none;transition:transform .2s ease}
.faq-item[open] summary::after{content:"–"}
.faq-item[open] summary{color:#4653d8}
.faq-body{padding:0 0 20px;font-size:14.8px;color:var(--ink-2);line-height:1.85;border-top:1px dashed var(--line);padding-top:16px}

/* ---------- Subscribe ---------- */
.subscribe-card{position:relative;overflow:hidden;border-radius:var(--radius-xl);padding:50px 46px;background:linear-gradient(120deg,#1d1b4a 0%,#3b3488 52%,#5b4b9a 100%);color:#fff;box-shadow:var(--shadow-lg)}
.subscribe-card::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.18}
.subscribe-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
.subscribe-card h2{font-size:clamp(22px,2.3vw,30px);font-weight:800;margin-bottom:14px;line-height:1.35}
.subscribe-card p{font-size:15px;color:rgba(255,255,255,.8);line-height:1.85}
.subscribe-form{display:flex;gap:10px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.28);border-radius:14px;padding:8px;backdrop-filter:blur(6px)}
.subscribe-form input{flex:1;min-width:0;border:0;background:#fff;border-radius:10px;padding:0 16px;height:46px;font-size:14.5px;color:var(--ink);outline:none}
.subscribe-form input::placeholder{color:#9aa0bd}
.subscribe-form .btn{height:46px;padding:0 24px;white-space:nowrap}
.form-tip{display:none;margin-top:12px;font-size:13.5px;color:#9df3c9}
.form-tip.is-on{display:block}

/* ---------- Footer ---------- */
.site-footer{background:#0c0e26;color:rgba(255,255,255,.72);padding:60px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:19px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:360px}
.footer-col h3{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.64);transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-note{font-size:13.5px;color:rgba(255,255,255,.55);line-height:1.85}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding:22px 0 26px;font-size:13px;color:rgba(255,255,255,.45)}
.footer-bottom span{line-height:1.7}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .header-inner{gap:16px}
  .search-box{display:none}
  .hero-card{grid-template-columns:1fr;padding:42px 34px;gap:30px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .roadmap{grid-template-columns:repeat(2,1fr)}
  .roadmap::before{display:none}
  .channel-grid,.qa-grid,.review-grid,.step-grid,.scene-grid,.guard-grid{grid-template-columns:repeat(2,1fr)}
  .subscribe-inner{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .site-header .header-inner{height:64px}
  .primary-nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:4px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 34px rgba(23,26,63,.12);padding:12px 16px 16px;display:none}
  .primary-nav.is-open{display:flex}
  .nav-link{height:46px;padding:0 14px;font-size:15.5px}
  .nav-link.is-active::after{display:none}
  .nav-toggle{display:grid}
  .header-actions{margin-left:0;display:none}
  .hero{padding-top:20px}
  .hero-card{padding:34px 24px;border-radius:20px}
  .section{padding:52px 0}
  .compare{grid-template-columns:1fr}
  .mini-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .subscribe-card{padding:36px 24px;border-radius:20px}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .stat-grid,.channel-grid,.qa-grid,.review-grid,.step-grid,.scene-grid,.guard-grid,.roadmap{grid-template-columns:1fr}
  .hero-title{font-size:26px}
  .section-title{font-size:22px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .card,.news-card,.media-body,.qa,.review,.step{padding:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
 --brand:#5b6ef5;
 --brand-2:#8a5cf6;
 --brand-deep:#2b2f6b;
 --ink:#12142b;
 --ink-2:#3b4063;
 --muted:#6b7192;
 --line:#e6e8f2;
 --bg:#f6f7fc;
 --card:#ffffff;
 --radius-xl:26px;
 --radius-lg:20px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(23,26,63,.06);
 --shadow-md:0 14px 34px rgba(23,26,63,.11);
 --shadow-lg:0 26px 60px rgba(17,20,55,.20);
 --grad:linear-gradient(135deg,#5b6ef5 0%,#8a5cf6 100%);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.78;
 color:var(--ink);
 background:#fff;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 10px 28px rgba(23,26,63,.09)}
.header-inner{display:flex;align-items:center;gap:26px;height:68px;position:relative}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.01em;color:var(--ink);white-space:nowrap}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--grad);display:grid;place-items:center;color:#fff;box-shadow:0 8px 18px rgba(91,110,245,.36);flex:none}
.brand-mark svg{width:19px;height:19px}
.primary-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 15px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink-2);transition:background .2s ease,color .2s ease}
.nav-link:hover{background:#f1f3ff;color:var(--brand-deep)}
.nav-link.is-active{color:#4653d8;font-weight:700;background:#edf0ff}
.nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:-13px;transform:translateX(-50%);width:18px;height:3px;border-radius:3px;background:var(--grad)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:6px;background:#f4f5fb;border:1px solid var(--line);border-radius:999px;padding:4px 5px 4px 14px;transition:border-color .2s,box-shadow .2s,background .2s}
.search-box:focus-within{background:#fff;border-color:#c5cdfa;box-shadow:0 0 0 4px rgba(91,110,245,.13)}
.search-box input{border:0;background:transparent;width:148px;font-size:14px;color:var(--ink);outline:none;padding:0;height:28px;box-shadow:none;margin:0}
.search-box input::placeholder{color:#9aa0bd}
.search-box button{border:0;width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;transition:transform .2s ease;padding:0;margin:0}
.search-box button:hover{transform:scale(1.06)}
.search-box svg{width:14px;height:14px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line);background:#fff;padding:0;margin-left:auto;place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-2);margin:3px auto;transition:.2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;line-height:1.2;text-align:center}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(91,110,245,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(91,110,245,.40)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(91,110,245,.30)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand-deep);border-color:#d5dbf7}
.btn-outline:hover{border-color:var(--brand);color:#4653d8;transform:translateY(-2px);box-shadow:0 10px 22px rgba(91,110,245,.16)}
.btn-sm{padding:9px 17px;font-size:14px;border-radius:9px}
.btn:focus-visible,.nav-link:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid #8a5cf6;outline-offset:3px}
/* ---------- Section base ---------- */
.section{padding:74px 0}
.section--tint{background:var(--bg)}
.section--soft{background:linear-gradient(180deg,#f8f9ff 0%,#ffffff 100%)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:#5a63c9;text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad);display:inline-block}
.section-title{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:800;letter-spacing:-.01em;margin:14px 0 12px;color:var(--ink)}
.section-sub{font-size:15.5px;color:var(--muted);line-height:1.85}
/* ---------- Hero ---------- */
.hero-zone{padding:34px 0 0;background:#fff}
.hero-card{position:relative;display:grid;grid-template-columns:1.35fr .78fr;gap:44px;padding:52px 46px;border-radius:var(--radius-xl);overflow:hidden;color:#fff;background:linear-gradient(120deg,#1d1b4a 0%,#332f7a 46%,#4b3f92 100%);box-shadow:var(--shadow-lg);align-items:center}
.hero-card::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.2}
.hero-card::after{content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(138,92,246,.55),rgba(91,110,245,0) 68%)}
.hero-main{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);font-size:13px;font-weight:600;letter-spacing:.04em}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:#8ff0c6;display:inline-block}
.hero-title{font-size:clamp(27px,3.2vw,42px);line-height:1.28;font-weight:800;letter-spacing:-.01em;margin:20px 0 14px;color:#fff}
.hero-sub{font-size:16px;color:rgba(255,255,255,.88);font-weight:600;margin-bottom:14px}
.hero-text{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.78);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.pill{display:inline-flex;align-items:center;padding:7px 15px;border-radius:999px;font-size:13.5px;font-weight:500;color:rgba(255,255,255,.9);background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);transition:background .2s ease,transform .2s ease}
.pill:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.hero-visual{position:relative;z-index:2;display:flex;justify-content:center}
.phone-frame{position:relative;width:236px;aspect-ratio:9/15;border-radius:26px;overflow:hidden;border:1px solid rgba(255,255,255,.35);box-shadow:0 24px 50px rgba(9,10,40,.45);background:#0e1030}
.phone-frame img{width:100%;height:100%;object-fit:cover}
.phone-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,14,44,0) 40%,rgba(12,14,44,.78) 100%)}
.phone-caption{position:absolute;left:16px;right:16px;bottom:16px;z-index:3;color:#fff}
.phone-caption strong{display:block;font-size:15px;font-weight:700;margin-bottom:4px}
.phone-caption span{font-size:12.5px;color:rgba(255,255,255,.78);line-height:1.6;display:block}
.float-badge{position:absolute;left:-26px;bottom:52px;z-index:4;background:#fff;color:var(--ink);border-radius:14px;padding:11px 16px;box-shadow:var(--shadow-md);border:1px solid var(--line)}
.float-badge b{display:block;font-size:19px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.float-badge small{font-size:11.5px;color:var(--muted);letter-spacing:.02em}
/* ---------- Metrics ---------- */
.metrics-strip{margin-top:-34px;position:relative;z-index:5}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 20px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cdd4fb}
.metric-value{font-size:26px;font-weight:800;letter-spacing:-.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.metric-label{font-size:14px;font-weight:700;color:var(--ink);margin-top:8px}
.metric-desc{font-size:13px;color:var(--muted);margin-top:4px;line-height:1.65}
/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card-grid--three{grid-template-columns:repeat(3,1fr)}
.info-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:0;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd6fb}
.info-thumb{aspect-ratio:16/9;overflow:hidden;background:#eef0fb}
.info-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.info-card:hover .info-thumb img{transform:scale(1.04)}
.info-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.info-title{font-size:17.5px;font-weight:800;color:var(--ink);line-height:1.45}
.info-text{font-size:14.5px;color:var(--muted);line-height:1.8}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.tag{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;font-size:12.5px;font-weight:600;color:#4a54c0;background:#eef0ff;border:1px solid #dde1fb}
.tag--alt{color:#7a49c6;background:#f4eeff;border-color:#e8dcff}
/* ---------- Flow ---------- */
.flow-list{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:step}
.flow-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 18px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd6fb}
.flow-step::before{counter-increment:step;content:"0" counter(step);display:block;font-size:13px;font-weight:800;letter-spacing:.1em;color:#8a90c9;margin-bottom:10px}
.flow-step h3{font-size:16px;font-weight:800;margin-bottom:8px;color:var(--ink)}
.flow-step p{font-size:13.5px;color:var(--muted);line-height:1.75}
/* ---------- Odds table ---------- */
.odds-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:start}
.odds-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.odds-table{width:100%;border-collapse:collapse;font-size:14.5px}
.odds-table thead th{background:#f3f5ff;color:#3b4185;font-weight:800;font-size:13.5px;letter-spacing:.03em;text-align:left;padding:15px 20px;border-bottom:1px solid var(--line)}
.odds-table tbody td{padding:15px 20px;border-bottom:1px solid #f0f2fa;color:var(--ink-2);vertical-align:middle}
.odds-table tbody tr:last-child td{border-bottom:0}
.odds-table tbody tr:hover td{background:#fafbff}
.odds-strong{font-weight:800;color:var(--ink)}
.odds-pay{font-weight:800;color:#4a54c0}
.odds-note{background:linear-gradient(150deg,#f4f6ff 0%,#ffffff 70%);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm)}
.odds-note h3{font-size:17px;font-weight:800;margin-bottom:12px}
.odds-note ul{display:grid;gap:12px}
.odds-note li{position:relative;padding-left:20px;font-size:14.5px;color:var(--muted);line-height:1.8}
.odds-note li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--grad)}
.odds-note li b{color:var(--ink);font-weight:700}
/* ---------- Scenario ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;position:relative;overflow:hidden}
.scene-card::before{content:"";position:absolute;left:0;top:0;height:100%;width:4px;background:var(--grad);opacity:.85}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd6fb}
.scene-ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#eef0ff;color:#4a54c0;margin-bottom:16px}
.scene-ico svg{width:21px;height:21px}
.scene-card h3{font-size:17px;font-weight:800;margin-bottom:10px}
.scene-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd6fb}
.news-thumb{aspect-ratio:16/10;display:block;overflow:hidden;background:#eef0fb}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.news-cat{display:inline-flex;padding:3px 10px;border-radius:999px;background:#eef0ff;color:#4a54c0;font-weight:700;font-size:12px}
.news-title{font-size:16px;font-weight:800;line-height:1.5}
.news-title a:hover{color:#4653d8}
.news-excerpt{font-size:13.5px;color:var(--muted);line-height:1.75}
.empty-note{padding:34px;border:1px dashed #cdd4fb;border-radius:var(--radius);background:#fafbff;color:var(--muted);text-align:center;font-size:14.5px}
.news-foot{margin-top:30px;text-align:center}
/* ---------- Matrix ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.matrix-card{display:flex;flex-direction:column;gap:10px;background:linear-gradient(155deg,#ffffff 0%,#f4f6ff 100%);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c8d0fa}
.matrix-card h3{font-size:18px;font-weight:800}
.matrix-card p{font-size:14px;color:var(--muted);line-height:1.8;flex:1}
.matrix-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:#4653d8}
.matrix-link::after{content:"›";font-size:18px;line-height:1}
.matrix-card:hover .matrix-link{color:#2b2f6b}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:#c8d0fa;box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;cursor:pointer;padding:19px 54px 19px 22px;font-size:16px;font-weight:700;color:var(--ink);position:relative;display:block}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:#7b82c9;transition:transform .2s ease}
.faq-item[open] summary::after{content:"–";color:#4653d8}
.faq-answer{padding:0 22px 22px;font-size:14.5px;color:var(--muted);line-height:1.85}
/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-xl);padding:56px 48px;background:linear-gradient(120deg,#1d1b4a 0%,#3a3480 55%,#54459c 100%);color:#fff;box-shadow:var(--shadow-lg)}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-5.webp') center/cover no-repeat;opacity:.18}
.cta-band::after{content:"";position:absolute;left:-90px;bottom:-120px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(91,110,245,.5),rgba(91,110,245,0) 70%)}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.cta-inner h2{font-size:clamp(22px,2.5vw,30px);font-weight:800;line-height:1.35;margin-bottom:14px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.82);line-height:1.85;max-width:520px}
.subscribe-form{display:flex;gap:10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);padding:8px;border-radius:14px;backdrop-filter:blur(4px)}
.subscribe-form input{flex:1;min-width:0;border:0;background:transparent;color:#fff;font-size:14.5px;padding:0 12px;height:44px;outline:none;box-shadow:none;margin:0}
.subscribe-form input::placeholder{color:rgba(255,255,255,.6)}
.subscribe-form .btn{flex:none;height:44px;padding:0 22px}
.form-hint{margin-top:12px;font-size:13px;color:rgba(255,255,255,.7);min-height:20px}
.form-hint.is-ok{color:#9ff0cb}
/* ---------- Footer ---------- */
.site-footer{background:#0f1130;color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:420px}
.footer-col h3{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5)}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
 .header-inner{gap:16px}
 .search-box input{width:118px}
 .hero-card{grid-template-columns:1fr;gap:34px;padding:42px 34px}
 .hero-visual{justify-content:flex-start}
 .phone-frame{width:210px}
 .float-badge{left:auto;right:12px;bottom:26px}
 .metric-grid{grid-template-columns:repeat(2,1fr)}
 .card-grid--three,.scene-grid,.news-grid,.matrix-grid{grid-template-columns:repeat(2,1fr)}
 .flow-list{grid-template-columns:repeat(3,1fr)}
 .odds-wrap{grid-template-columns:1fr}
 .cta-inner{grid-template-columns:1fr;gap:26px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:880px){
 .primary-nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:4px;background:#fff;padding:12px 20px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);margin:0}
 .primary-nav.is-open{display:flex}
 .nav-link{height:44px;justify-content:flex-start;padding:0 14px}
 .nav-link.is-active::after{display:none}
 .nav-toggle{display:grid}
 .search-box{display:none}
 .header-actions{margin-left:0}
 .header-actions .btn-sm{padding:8px 14px;font-size:13px}
 .header-inner{justify-content:space-between}
}
@media (max-width:768px){
 .section{padding:54px 0}
 .hero-zone{padding-top:20px}
 .hero-card{padding:32px 22px;border-radius:var(--radius-lg)}
 .metrics-strip{margin-top:24px}
 .metric-grid{grid-template-columns:1fr 1fr;gap:14px}
 .card-grid,.card-grid--three,.scene-grid,.news-grid,.matrix-grid,.flow-list{grid-template-columns:1fr}
 .cta-band{padding:38px 24px;border-radius:var(--radius-lg)}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .footer-bottom{flex-direction:column;gap:8px}
 .info-body,.scene-card,.news-body{padding:20px}
}
@media (max-width:520px){
 .brand-text{font-size:17px}
 .header-actions .btn-sm{display:none}
 .hero-title{font-size:25px}
 .hero-actions .btn{width:100%}
 .metric-card{padding:18px 16px}
 .metric-value{font-size:22px}
 .phone-frame{width:100%;max-width:230px}
 .float-badge{position:static;margin-top:14px;left:auto;right:auto;bottom:auto}
 .subscribe-form{flex-direction:column}
 .subscribe-form input{height:42px}
 .subscribe-form .btn{width:100%}
 .odds-table thead th,.odds-table tbody td{padding:12px 14px;font-size:13.5px}
}

/* roulang page: article */
:root{
 --brand:#5b6ef5;
 --brand-2:#8a5cf6;
 --brand-deep:#2b2f6b;
 --ink:#12142b;
 --ink-2:#3b4063;
 --muted:#6b7192;
 --line:#e6e8f2;
 --bg:#f6f7fc;
 --card:#ffffff;
 --radius-xl:26px;
 --radius-lg:20px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(23,26,63,.06);
 --shadow-md:0 14px 34px rgba(23,26,63,.11);
 --shadow-lg:0 26px 60px rgba(17,20,55,.20);
 --grad:linear-gradient(135deg,#5b6ef5 0%,#8a5cf6 100%);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.75;
 color:var(--ink);
 background:#fff;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
p{margin:0 0 14px}
ul,ol{margin:0 0 16px;padding-left:22px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.row{max-width:var(--container);margin-left:auto;margin-right:auto}
.row .column{padding:10px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
section[id]{scroll-margin-top:92px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 10px 28px rgba(23,26,63,.09)}
.header-inner{position:relative;display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.01em;color:var(--ink);white-space:nowrap}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--grad);display:grid;place-items:center;color:#fff;box-shadow:0 8px 18px rgba(91,110,245,.36);flex:none}
.brand-mark svg{width:19px;height:19px}
.primary-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 15px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink-2);transition:background .2s ease,color .2s ease}
.nav-link:hover{background:#f1f3ff;color:var(--brand-deep)}
.nav-link.is-active{color:#4653d8;font-weight:700;background:#edf0ff}
.nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:-13px;transform:translateX(-50%);width:18px;height:3px;border-radius:3px;background:var(--grad)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:6px;background:#f4f5fb;border:1px solid var(--line);border-radius:999px;padding:4px 5px 4px 14px;transition:border-color .2s,box-shadow .2s,background .2s}
.search-box:focus-within{background:#fff;border-color:#c5cdfa;box-shadow:0 0 0 4px rgba(91,110,245,.13)}
.search-box input{border:0;background:transparent;width:148px;font-size:14px;color:var(--ink);outline:none;padding:0;height:28px;margin:0}
.search-box input::placeholder{color:#9aa0bd}
.search-box button{border:0;width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;transition:transform .2s ease;margin:0}
.search-box button:hover{transform:scale(1.06)}
.search-box svg{width:14px;height:14px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line);background:#fff;padding:0;margin-left:auto;place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-2);margin:3px auto;transition:.2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;line-height:1.2}
.btn:focus-visible{outline:3px solid rgba(91,110,245,.45);outline-offset:2px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(91,110,245,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(91,110,245,.40);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(91,110,245,.30)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-2px);color:#fff}
.btn-outline{background:#fff;color:var(--brand-deep);border-color:#d5dbf7}
.btn-outline:hover{border-color:var(--brand);color:#4653d8;transform:translateY(-2px);box-shadow:0 10px 22px rgba(91,110,245,.16)}
.btn-sm{padding:9px 17px;font-size:14px;border-radius:9px}

/* ---------- Article Hero ---------- */
.article-hero{position:relative;overflow:hidden;background:#151633;color:#fff}
.article-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.26}
.article-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(17,18,48,.94) 0%,rgba(30,28,80,.82) 48%,rgba(58,46,124,.62) 100%)}
.article-hero-inner{position:relative;z-index:2;max-width:900px;padding:54px 0 60px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13.5px;color:rgba(255,255,255,.72)}
.crumb a{color:rgba(255,255,255,.82);transition:color .2s}
.crumb a:hover{color:#fff}
.crumb .sep{color:rgba(255,255,255,.38)}
.crumb .current{color:rgba(255,255,255,.62);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-kicker{display:inline-flex;align-items:center;gap:9px;margin-top:20px;padding:6px 15px;border-radius:999px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.26);font-size:13px;font-weight:600;letter-spacing:.05em}
.article-kicker i{width:7px;height:7px;border-radius:50%;background:#8ff0c6;display:inline-block}
.article-title{font-size:clamp(26px,3.1vw,40px);line-height:1.3;font-weight:800;letter-spacing:-.01em;margin:18px 0 18px;color:#fff}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:14px;color:rgba(255,255,255,.76)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta svg{width:15px;height:15px;opacity:.8}
.meta-chip{padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);font-size:13px;color:rgba(255,255,255,.9)}

/* ---------- Section shell ---------- */
.section{padding:64px 0}
.section-alt{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:32px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;letter-spacing:.09em;color:#5a63c9}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}
.section-title{font-size:clamp(22px,2.4vw,30px);font-weight:800;letter-spacing:-.01em;margin:12px 0 10px;color:var(--ink)}
.section-sub{color:var(--muted);font-size:15.5px;margin:0}

/* ---------- Article body ---------- */
.article-section{padding:56px 0 56px}
.article-layout{max-width:880px;margin:0 auto}
.article-body{font-size:16px;line-height:1.9;color:var(--ink-2);word-break:break-word}
.article-body h2{font-size:24px;line-height:1.55;color:var(--ink);margin:40px 0 14px;padding-left:15px;border-left:4px solid var(--brand);font-weight:800}
.article-body h3{font-size:19px;line-height:1.6;color:var(--ink);margin:30px 0 10px;font-weight:700}
.article-body h4{font-size:17px;color:var(--ink);margin:24px 0 8px;font-weight:700}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px}
.article-body li{margin-bottom:9px}
.article-body strong{color:var(--brand-deep);font-weight:700}
.article-body a{color:#4653d8;text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand)}
.article-body blockquote{margin:24px 0;padding:20px 24px;border-left:5px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;background:#f3f5ff;color:var(--brand-deep);font-size:16px;line-height:1.85}
.article-body img{border-radius:var(--radius);margin:24px auto;box-shadow:var(--shadow-sm)}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;border-radius:var(--radius);overflow:hidden}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:#f2f4fd;color:var(--ink);font-weight:700}
.article-body tr:nth-child(even) td{background:#fafbff}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:8px}
.pull-quote{margin:34px 0 0;padding:24px 28px;border-radius:var(--radius-lg);background:linear-gradient(135deg,#eef1ff 0%,#f8f2ff 100%);border-left:5px solid var(--brand);font-size:17px;line-height:1.85;font-weight:600;color:var(--brand-deep);box-shadow:var(--shadow-sm)}
.pull-quote span{display:block;margin-top:10px;font-size:13.5px;font-weight:500;color:var(--muted)}
.article-empty{padding:44px 32px;border:1px dashed #cfd6fb;border-radius:var(--radius-lg);background:#f8f9ff;text-align:center}
.article-empty h2{margin:0 0 10px;font-size:22px;color:var(--ink);border:0;padding:0}
.article-empty p{color:var(--muted);margin:0 0 22px}

/* ---------- Stats ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd6fb}
.stat-num{font-size:32px;font-weight:800;line-height:1.15;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.02em}
.stat-name{font-size:15px;font-weight:700;color:var(--ink);margin:10px 0 6px}
.stat-desc{font-size:13.6px;color:var(--muted);line-height:1.7;margin:0}

/* ---------- Cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd6fb}
.card-icon{width:44px;height:44px;border-radius:13px;background:var(--grad);color:#fff;display:grid;place-items:center;box-shadow:0 10px 20px rgba(91,110,245,.28);margin-bottom:16px}
.card-icon svg{width:21px;height:21px}
.card h3{font-size:17px;font-weight:700;margin:0 0 9px;color:var(--ink);line-height:1.5}
.card p{margin:0;color:var(--muted);font-size:14.6px;line-height:1.78}
.card .tag{margin-top:14px}

/* ---------- Tags ---------- */
.tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:12.8px;font-weight:600;background:#eef1ff;color:#4653d8;border:1px solid #dfe4ff}
.tag-soft{background:#f5f6fb;color:var(--muted);border-color:var(--line)}

/* ---------- Split ---------- */
.split{display:grid;grid-template-columns:1fr 1.08fr;gap:38px;align-items:center}
.split-media{margin:0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);position:relative}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .5s ease}
.split-media:hover img{transform:scale(1.04)}
.split-body h3{font-size:clamp(20px,2.2vw,26px);font-weight:800;margin:0 0 14px;color:var(--ink);line-height:1.45}
.split-body p{color:var(--ink-2);font-size:15.4px;line-height:1.85;margin:0 0 16px}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{position:relative;padding-left:28px;margin-bottom:12px;color:var(--ink-2);font-size:15px;line-height:1.8}
.check-list li::before{content:"";position:absolute;left:0;top:9px;width:14px;height:8px;border-left:2.4px solid var(--brand);border-bottom:2.4px solid var(--brand);transform:rotate(-45deg)}
.check-list li strong{color:var(--brand-deep)}

/* ---------- Channel matrix ---------- */
.channel-card{display:flex;flex-direction:column;gap:12px;padding:26px 24px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd6fb}
.channel-icon{width:46px;height:46px;border-radius:14px;background:var(--grad);color:#fff;display:grid;place-items:center;box-shadow:0 10px 20px rgba(91,110,245,.28)}
.channel-icon svg{width:22px;height:22px}
.channel-card h3{font-size:18px;font-weight:800;margin:0;color:var(--ink)}
.channel-card p{margin:0;font-size:14.4px;color:var(--muted);line-height:1.78}
.channel-link{display:inline-flex;align-items:center;gap:7px;margin-top:4px;font-size:14.4px;font-weight:700;color:#4653d8}
.channel-link svg{width:15px;height:15px;transition:transform .2s ease}
.channel-card:hover .channel-link svg{transform:translateX(4px)}

/* ---------- Post list ---------- */
.post-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.post-item{display:flex;gap:16px;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.post-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfd6fb}
.post-item img{width:124px;height:86px;object-fit:cover;border-radius:10px;flex:none}
.post-item h3{font-size:15.4px;line-height:1.55;margin:2px 0 8px;color:var(--ink);font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-item p{margin:0;font-size:13.4px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:13px;max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#cfd6fb;box-shadow:var(--shadow-sm)}
.faq-item.is-open{border-color:#c3cbfa;box-shadow:var(--shadow-md)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:transparent;border:0;font-size:15.6px;font-weight:700;color:var(--ink);text-align:left;line-height:1.6;margin:0}
.faq-q:hover{color:#4653d8}
.faq-q:focus-visible{outline:3px solid rgba(91,110,245,.4);outline-offset:-3px}
.faq-q svg{width:17px;height:17px;flex:none;color:var(--brand);transition:transform .25s ease}
.faq-item.is-open .faq-q svg{transform:rotate(180deg)}
.faq-a{display:none;padding:0 22px 20px;font-size:14.8px;line-height:1.85;color:var(--muted)}
.faq-item.is-open .faq-a{display:block}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-xl);padding:48px 46px;color:#fff;background:linear-gradient(120deg,#1d1b4a 0%,#3b3487 55%,#5b4bb0 100%);box-shadow:var(--shadow-lg)}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-5.webp') center/cover no-repeat;opacity:.17}
.cta-band::after{content:"";position:absolute;right:-110px;bottom:-150px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(138,92,246,.55),rgba(91,110,245,0) 70%)}
.cta-inner{position:relative;z-index:2;max-width:720px}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;margin:0 0 12px;color:#fff;line-height:1.42}
.cta-inner p{color:rgba(255,255,255,.82);font-size:15.4px;line-height:1.85;margin:0 0 6px}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.subscribe-form input{flex:1 1 240px;min-height:48px;padding:0 16px;border-radius:10px;border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.13);color:#fff;outline:none;font-size:15px;margin:0}
.subscribe-form input::placeholder{color:rgba(255,255,255,.6)}
.subscribe-form input:focus{border-color:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.16);background:rgba(255,255,255,.2)}
.form-note{font-size:13px;color:rgba(255,255,255,.68);margin-top:14px;min-height:20px}

/* ---------- Footer ---------- */
.site-footer{background:#0f1128;color:rgba(255,255,255,.74);padding:56px 0 26px;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-about{font-size:14.2px;line-height:1.85;color:rgba(255,255,255,.62);margin:0;max-width:400px}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin:0 0 16px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14.2px;color:rgba(255,255,255,.66);transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;padding-top:22px;font-size:13.2px;color:rgba(255,255,255,.5)}

/* ---------- Responsive ---------- */
@media screen and (max-width:1024px){
 .header-inner{gap:16px}
 .search-box input{width:118px}
 .hero-card{grid-template-columns:1fr;padding:40px 32px}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .split{grid-template-columns:1fr;gap:26px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media screen and (max-width:900px){
 .nav-toggle{display:grid;order:2}
 .primary-nav{position:absolute;top:100%;left:0;right:0;order:4;display:none;flex-direction:column;align-items:stretch;gap:4px;padding:12px 16px 18px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 34px rgba(23,26,63,.12);margin-left:0}
 .primary-nav.is-open{display:flex}
 .nav-link{height:44px;width:100%;padding:0 14px}
 .nav-link.is-active::after{display:none}
 .header-actions{order:3;margin-left:0;gap:8px}
 .search-box{display:none}
 .article-hero-inner{padding:40px 0 46px}
 .grid-3{grid-template-columns:1fr}
 .post-list{grid-template-columns:1fr}
 .cta-band{padding:36px 26px}
 .article-body h2{font-size:21px}
 .article-body h3{font-size:18px}
}
@media screen and (max-width:640px){
 .brand{font-size:17px}
 .brand-mark{width:32px;height:32px;border-radius:10px}
 .brand-mark svg{width:17px;height:17px}
 .header-actions .btn{padding:8px 13px;font-size:13px}
 .section{padding:46px 0}
 .article-section{padding:40px 0}
 .grid-2,.grid-4{grid-template-columns:1fr}
 .post-item img{width:96px;height:74px}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .footer-bottom{flex-direction:column;gap:8px}
 .article-title{font-size:24px}
 .pull-quote{padding:20px 20px;font-size:15.5px}
 .stat-num{font-size:27px}
}
@media screen and (max-width:520px){
 .article-empty{padding:32px 20px}
 .post-item{flex-direction:column}
 .post-item img{width:100%;height:150px}
 .faq-q{padding:16px 16px;font-size:14.8px}
 .faq-a{padding:0 16px 18px}
 .cta-band{padding:30px 20px}
 .subscribe-form input{flex:1 1 100%}
}

/* roulang page: category2 */
:root{
 --brand:#5b6ef5;
 --brand-2:#8a5cf6;
 --brand-deep:#2b2f6b;
 --ink:#12142b;
 --ink-2:#3b4063;
 --muted:#6b7192;
 --line:#e6e8f2;
 --bg:#f6f7fc;
 --card:#ffffff;
 --radius-xl:26px;
 --radius-lg:20px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(23,26,63,.06);
 --shadow-md:0 14px 34px rgba(23,26,63,.11);
 --shadow-lg:0 26px 60px rgba(17,20,55,.20);
 --grad:linear-gradient(135deg,#5b6ef5 0%,#8a5cf6 100%);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.78;
 color:var(--ink);
 background:#fff;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.32;color:var(--ink);font-weight:800;letter-spacing:-.01em}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 10px 28px rgba(23,26,63,.09)}
.header-inner{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.01em;color:var(--ink);white-space:nowrap}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--grad);display:grid;place-items:center;color:#fff;box-shadow:0 8px 18px rgba(91,110,245,.36);flex:none}
.brand-mark svg{width:19px;height:19px}
.primary-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 15px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink-2);transition:background .2s ease,color .2s ease;white-space:nowrap}
.nav-link:hover{background:#f1f3ff;color:var(--brand-deep)}
.nav-link.is-active{color:#4653d8;font-weight:700;background:#edf0ff}
.nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:-13px;transform:translateX(-50%);width:18px;height:3px;border-radius:3px;background:var(--grad)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:6px;background:#f4f5fb;border:1px solid var(--line);border-radius:999px;padding:4px 5px 4px 14px;transition:border-color .2s,box-shadow .2s,background .2s}
.search-box:focus-within{background:#fff;border-color:#c5cdfa;box-shadow:0 0 0 4px rgba(91,110,245,.13)}
.search-box input{border:0;background:transparent;width:148px;font-size:14px;color:var(--ink);outline:none;padding:0;height:28px;margin:0}
.search-box input::placeholder{color:#9aa0bd}
.search-box button{border:0;width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;transition:transform .2s ease;padding:0}
.search-box button:hover{transform:scale(1.06)}
.search-box svg{width:14px;height:14px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line);background:#fff;padding:0;margin-left:auto;place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-2);margin:3px auto;transition:.2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;line-height:1.2;text-align:center}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(91,110,245,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(91,110,245,.40);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(91,110,245,.30)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-2px);color:#fff}
.btn-outline{background:#fff;color:var(--brand-deep);border-color:#d5dbf7}
.btn-outline:hover{border-color:var(--brand);color:#4653d8;transform:translateY(-2px);box-shadow:0 10px 22px rgba(91,110,245,.16)}
.btn-sm{padding:9px 17px;font-size:14px;border-radius:9px}
.btn:focus-visible,.nav-link:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(91,110,245,.45);outline-offset:2px}
/* ---------- Hero (category) ---------- */
.page-hero{padding:34px 0 0}
.hero-panel{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;padding:54px 48px;border-radius:var(--radius-xl);overflow:hidden;color:#fff;background:linear-gradient(120deg,#1d1b4a 0%,#332f7a 48%,#4b3f92 100%);box-shadow:var(--shadow-lg)}
.hero-panel::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.24}
.hero-panel::after{content:"";position:absolute;right:-130px;top:-150px;width:430px;height:430px;border-radius:50%;background:radial-gradient(circle,rgba(138,92,246,.55),rgba(91,110,245,0) 68%)}
.hero-copy{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);font-size:13px;font-weight:600;letter-spacing:.04em}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:#8ff0c6;display:inline-block}
.hero-copy h1{font-size:clamp(27px,3.2vw,40px);line-height:1.28;color:#fff;margin:20px 0 14px;letter-spacing:-.01em}
.hero-sub{font-size:16px;color:rgba(255,255,255,.88);font-weight:500;margin-bottom:14px}
.hero-text{font-size:15.5px;line-height:1.86;color:rgba(255,255,255,.76);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.pill{display:inline-flex;align-items:center;padding:7px 15px;border-radius:999px;font-size:13.5px;font-weight:500;color:rgba(255,255,255,.9);background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);transition:background .2s ease,transform .2s ease}
.pill:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.hero-visual{position:relative;z-index:2}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.22);box-shadow:0 24px 50px rgba(9,11,40,.42)}
.hero-float{position:absolute;left:-18px;bottom:26px;background:rgba(255,255,255,.96);color:var(--ink);border-radius:var(--radius);padding:12px 16px;box-shadow:0 16px 34px rgba(12,16,50,.30);min-width:132px}
.hero-float strong{display:block;font-size:21px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.hero-float span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;line-height:1.4}
.hero-float-2{left:auto;right:-12px;bottom:auto;top:22px}
/* ---------- Sections ---------- */
.page-section{padding:76px 0}
.page-section.is-tint{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:36px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;letter-spacing:.09em;color:var(--brand)}
.eyebrow::before{content:"";width:24px;height:3px;border-radius:3px;background:var(--grad)}
.section-head h2{font-size:clamp(22px,2.5vw,30px);margin:12px 0 12px}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.82;margin:0}
/* ---------- Stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:-58px;position:relative;z-index:5}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 22px;box-shadow:var(--shadow-md);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#d7dcf8}
.stat-card strong{display:block;font-size:30px;font-weight:800;line-height:1.15;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-card span{display:block;margin-top:8px;font-size:14px;color:var(--muted);line-height:1.6}
/* ---------- Cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d7dcf8}
.card-icon{width:46px;height:46px;border-radius:13px;background:#eef1ff;color:#4a58d8;display:grid;place-items:center;margin-bottom:16px}
.card-icon svg{width:22px;height:22px}
.card h3{font-size:18px;margin-bottom:10px}
.card p{font-size:14.8px;color:var(--muted);line-height:1.8;margin:0 0 16px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;color:#4a58d8;background:#eef1ff;border:1px solid #e0e5ff}
.tag.is-soft{color:var(--muted);background:#f5f6fb;border-color:var(--line)}
/* ---------- Compare table ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
.compare-table{width:100%;min-width:760px;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;margin:0}
.compare-table th{background:#f2f4ff;color:var(--ink);font-weight:700;font-size:14.5px;padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.compare-table td{padding:16px 18px;font-size:14.5px;color:var(--ink-2);border-bottom:1px solid var(--line);line-height:1.7;vertical-align:top}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:hover{background:#fafbff}
.compare-table td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}
.table-note{margin-top:14px;font-size:13.5px;color:var(--muted)}
/* ---------- Roadmap ---------- */
.roadmap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d7dcf8}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;font-weight:800;font-size:15px;margin-bottom:14px;box-shadow:0 8px 18px rgba(91,110,245,.28)}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14.4px;color:var(--muted);line-height:1.78;margin:0}
.step-line{display:block;font-size:13px;font-weight:700;color:#4a58d8;margin-top:14px;padding-top:12px;border-top:1px dashed var(--line)}
/* ---------- Channel cards ---------- */
.channel-card{display:flex;flex-direction:column;justify-content:space-between;min-height:210px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd6fb}
.channel-card h3{font-size:19px;margin-bottom:10px}
.channel-card p{font-size:14.6px;color:var(--muted);line-height:1.8;margin:0 0 18px}
.channel-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:#4653d8}
.channel-link svg{width:16px;height:16px;transition:transform .2s ease}
.channel-card:hover .channel-link svg{transform:translateX(4px)}
/* ---------- News list ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d7dcf8}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:#eef1ff}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--muted)}
.news-meta span{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;background:#f4f6fd;border:1px solid var(--line)}
.news-body h3{font-size:16.5px;line-height:1.6;margin:0}
.news-body h3 a{transition:color .2s ease}
.news-card:hover .news-body h3 a{color:#4653d8}
.news-body p{font-size:14px;color:var(--muted);line-height:1.75;margin:0}
.empty-note{padding:34px 26px;border:1px dashed #d5daf2;border-radius:var(--radius-lg);background:#fff;color:var(--muted);font-size:15px;text-align:center}
.news-more{display:flex;justify-content:center;margin-top:34px}
/* ---------- Support ---------- */
.support-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.support-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.support-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d7dcf8}
.support-item .dot{width:10px;height:10px;border-radius:50%;background:var(--grad);display:block;margin-bottom:14px}
.support-item h3{font-size:16px;margin-bottom:8px}
.support-item p{font-size:14.2px;color:var(--muted);line-height:1.78;margin:0}
/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#d7dcf8;box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:15.5px;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:18px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:none;width:26px;height:26px;border-radius:9px;background:#eef1ff;color:#4a58d8;display:grid;place-items:center;font-size:17px;font-weight:700;line-height:1;transition:transform .2s ease}
.faq-item[open] summary::after{content:"–"}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.8px;line-height:1.85}
/* ---------- CTA ---------- */
.cta-panel{position:relative;overflow:hidden;border-radius:var(--radius-xl);padding:52px 46px;color:#fff;background:linear-gradient(120deg,#232253 0%,#3a3487 52%,#5b4ba6 100%);box-shadow:var(--shadow-lg);display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.cta-panel::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-4.webp') center/cover no-repeat;opacity:.2}
.cta-copy,.cta-form-wrap{position:relative;z-index:2}
.cta-panel h2{color:#fff;font-size:clamp(22px,2.4vw,29px);margin-bottom:12px}
.cta-panel p{color:rgba(255,255,255,.78);font-size:15px;line-height:1.85;margin:0}
.subscribe-form{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.subscribe-form input{flex:1 1 220px;min-width:0;height:48px;border-radius:10px;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.14);padding:0 16px;color:#fff;font-size:15px;margin:0;outline:none;transition:border-color .2s,background .2s,box-shadow .2s}
.subscribe-form input::placeholder{color:rgba(255,255,255,.6)}
.subscribe-form input:focus{border-color:rgba(255,255,255,.7);background:rgba(255,255,255,.22);box-shadow:0 0 0 4px rgba(255,255,255,.14)}
.form-note{margin-top:12px;font-size:13.5px;color:#a9f0cf;min-height:20px}
/* ---------- Footer ---------- */
.site-footer{background:#101233;color:rgba(255,255,255,.72);padding:58px 0 22px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:38px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.footer-brand .brand-mark{box-shadow:none}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:430px;margin:0}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:rgba(255,255,255,.66);font-size:14.5px;transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;padding-top:22px;font-size:13.5px;color:rgba(255,255,255,.5);line-height:1.7}
/* ---------- Responsive ---------- */
@media (max-width:1180px){
 .search-box{display:none}
}
@media (max-width:1024px){
 .header-inner{gap:16px}
 .primary-nav{display:none}
 .nav-toggle{display:grid}
 .header-actions{margin-left:0}
 .primary-nav.is-open{display:flex;flex-direction:column;align-items:stretch;gap:4px;position:absolute;left:0;right:0;top:68px;background:#fff;padding:14px 20px 18px;border-bottom:1px solid var(--line);box-shadow:0 18px 34px rgba(23,26,63,.12)}
 .primary-nav.is-open .nav-link{height:44px;padding:0 14px}
 .primary-nav.is-open .nav-link.is-active::after{display:none}
 .hero-panel{grid-template-columns:1fr;gap:34px;padding:44px 34px}
 .hero-visual{max-width:560px}
 .stat-grid{grid-template-columns:repeat(2,1fr);margin-top:-40px}
 .grid-4,.support-grid,.roadmap{grid-template-columns:repeat(2,1fr)}
 .grid-3,.news-grid{grid-template-columns:repeat(2,1fr)}
 .cta-panel{grid-template-columns:1fr;padding:42px 34px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .footer-grid > div:first-child{grid-column:1 / -1}
}
@media (max-width:768px){
 .page-section{padding:56px 0}
 .hero-panel{padding:34px 24px;border-radius:var(--radius-lg)}
 .hero-copy h1{font-size:26px}
 .hero-actions{margin:22px 0 18px}
 .hero-actions .btn{flex:1 1 100%}
 .hero-float{padding:10px 13px;min-width:118px;bottom:16px;left:-8px}
 .hero-float-2{top:14px;right:-6px}
 .stat-card strong{font-size:25px}
 .grid-2,.grid-3,.news-grid,.grid-4,.support-grid,.roadmap,.stat-grid{grid-template-columns:1fr}
 .section-head{margin-bottom:28px}
 .card,.channel-card,.step,.support-item{padding:22px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .brand{font-size:17px}
 .brand-mark{width:32px;height:32px;border-radius:9px}
 .hero-badge{font-size:12px}
 .hero-text{font-size:14.8px}
 .pill{font-size:12.5px;padding:6px 12px}
 .stat-grid{margin-top:-26px;gap:14px}
 .cta-panel{padding:32px 22px}
 .subscribe-form input{flex:1 1 100%}
 .subscribe-form .btn{width:100%}
 .faq-item summary{padding:16px 18px;font-size:14.6px}
 .faq-body{padding:0 18px 18px}
 .news-body{padding:18px 18px 20px}
}

/* roulang page: category3 */
:root{
 --brand:#5b6ef5;
 --brand-2:#8a5cf6;
 --brand-deep:#2b2f6b;
 --ink:#12142b;
 --ink-2:#3b4063;
 --muted:#6b7192;
 --line:#e6e8f2;
 --bg:#f6f7fc;
 --card:#ffffff;
 --radius-xl:26px;
 --radius-lg:20px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(23,26,63,.06);
 --shadow-md:0 14px 34px rgba(23,26,63,.11);
 --shadow-lg:0 26px 60px rgba(17,20,55,.20);
 --grad:linear-gradient(135deg,#5b6ef5 0%,#8a5cf6 100%);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.75;
 color:var(--ink);
 background:#fff;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid rgba(91,110,245,.45);outline-offset:3px;border-radius:8px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 10px 28px rgba(23,26,63,.09)}
.header-inner{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.01em;color:var(--ink);white-space:nowrap}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--grad);display:grid;place-items:center;color:#fff;box-shadow:0 8px 18px rgba(91,110,245,.36);flex:none}
.brand-mark svg{width:19px;height:19px}
.primary-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 15px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink-2);transition:background .2s ease,color .2s ease}
.nav-link:hover{background:#f1f3ff;color:var(--brand-deep)}
.nav-link.is-active{color:#4653d8;font-weight:700;background:#edf0ff}
.nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:-13px;transform:translateX(-50%);width:18px;height:3px;border-radius:3px;background:var(--grad)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:6px;background:#f4f5fb;border:1px solid var(--line);border-radius:999px;padding:4px 5px 4px 14px;transition:border-color .2s,box-shadow .2s,background .2s}
.search-box:focus-within{background:#fff;border-color:#c5cdfa;box-shadow:0 0 0 4px rgba(91,110,245,.13)}
.search-box input{border:0;background:transparent;width:148px;font-size:14px;color:var(--ink);outline:none;padding:0;height:28px}
.search-box input::placeholder{color:#9aa0bd}
.search-box button{border:0;width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;transition:transform .2s ease}
.search-box button:hover{transform:scale(1.06)}
.search-box svg{width:14px;height:14px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line);background:#fff;padding:0;place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-2);margin:3px auto;transition:.2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;line-height:1.2}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(91,110,245,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(91,110,245,.40)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(91,110,245,.30)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand-deep);border-color:#d5dbf7}
.btn-outline:hover{border-color:var(--brand);color:#4653d8;transform:translateY(-2px);box-shadow:0 10px 22px rgba(91,110,245,.16)}
.btn-sm{padding:9px 17px;font-size:14px;border-radius:9px}

/* ---------- Hero ---------- */
.hero{padding:30px 0 0}
.hero-card{position:relative;display:grid;grid-template-columns:1.5fr .92fr;gap:42px;padding:48px 46px;border-radius:var(--radius-xl);overflow:hidden;color:#fff;background:linear-gradient(120deg,#1d1b4a 0%,#332f7a 46%,#4b3f92 100%);box-shadow:var(--shadow-lg)}
.hero-card::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.2}
.hero-card::after{content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(138,92,246,.55),rgba(91,110,245,0) 68%)}
.hero-main{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);font-size:13px;font-weight:600;letter-spacing:.04em}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:#8ff0c6;display:inline-block}
.hero-title{font-size:clamp(27px,3.2vw,40px);line-height:1.32;font-weight:800;letter-spacing:-.01em;margin:20px 0 14px}
.hero-sub{font-size:16px;color:rgba(255,255,255,.9);font-weight:600;margin-bottom:14px}
.hero-text{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.78);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.pill{display:inline-flex;align-items:center;padding:7px 15px;border-radius:999px;font-size:13.5px;font-weight:500;color:rgba(255,255,255,.9);background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);transition:background .2s ease,transform .2s ease}
.pill:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.hero-side{position:relative;z-index:2;display:flex;flex-direction:column;gap:14px}
.panel{background:rgba(255,255,255,.96);border-radius:var(--radius-lg);padding:22px;color:var(--ink);box-shadow:0 18px 40px rgba(9,11,40,.28)}
.panel-title{font-size:15.5px;font-weight:800;margin-bottom:4px}
.panel-note{font-size:13px;color:var(--muted);line-height:1.65}
.ring-wrap{display:flex;align-items:center;gap:18px;margin-bottom:14px}
.ring{position:relative;width:96px;height:96px;flex:none}
.ring svg{transform:rotate(-90deg);display:block}
.ring-num{position:absolute;inset:0;display:grid;place-items:center;font-weight:800;font-size:20px;color:var(--brand-deep)}
.mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mini{border-radius:var(--radius);padding:12px 14px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);font-size:12.5px;color:rgba(255,255,255,.86);line-height:1.5}
.mini b{display:block;font-size:19px;font-weight:800;color:#fff;margin-bottom:2px}

/* ---------- Sections ---------- */
.section{padding:76px 0}
.section--tight{padding:56px 0}
.section--alt{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:780px;margin:0 0 38px}
.sec-kicker{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--brand)}
.sec-kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}
.sec-title{font-size:clamp(22px,2.4vw,30px);line-height:1.42;font-weight:800;letter-spacing:-.01em;margin:12px 0 10px}
.sec-desc{color:var(--muted);font-size:15.5px;line-height:1.82}

/* ---------- Metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 20px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d6dbfb}
.metric b{display:block;font-size:30px;font-weight:800;line-height:1.2;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric h3{font-size:15px;font-weight:700;margin:8px 0 4px}
.metric span{display:block;font-size:13.5px;color:var(--muted);line-height:1.65}
.metric-note{margin-top:16px;font-size:13px;color:var(--muted);line-height:1.75}

/* ---------- Cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;margin:0;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d6dbfb}
.card-body{padding:22px}
.card-icon{width:42px;height:42px;border-radius:12px;background:#eef1ff;color:var(--brand);display:grid;place-items:center;margin-bottom:14px}
.card-icon svg{width:20px;height:20px}
.card h3{font-size:17px;font-weight:700;margin-bottom:8px;line-height:1.5}
.card p{font-size:14.5px;color:var(--ink-2);line-height:1.78}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{font-size:12.5px;padding:4px 11px;border-radius:999px;background:#f1f3ff;color:#4653d8;font-weight:600}
.card-media{aspect-ratio:16/9;overflow:hidden;background:#eceefa}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}

/* ---------- Path ---------- */
.path{display:grid;gap:16px}
.path-item{display:grid;grid-template-columns:64px 1fr;gap:18px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.path-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d6dbfb}
.path-num{width:52px;height:52px;border-radius:14px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;box-shadow:0 10px 22px rgba(91,110,245,.28)}
.path-item h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.path-item p{font-size:14.5px;color:var(--ink-2);line-height:1.78}

/* ---------- Compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{border-radius:var(--radius-lg);padding:26px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}
.compare-col.is-good{border-color:#cdd5fb;box-shadow:0 16px 34px rgba(91,110,245,.14)}
.compare-col h3{font-size:16.5px;font-weight:800;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.compare-col h3 .dot{width:10px;height:10px;border-radius:50%;background:#c3c8dd;flex:none}
.compare-col.is-good h3 .dot{background:var(--grad)}
.compare-list li{display:flex;gap:10px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-2);line-height:1.7}
.compare-list li:last-child{border-bottom:0;padding-bottom:0}
.compare-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:#c9cee6;margin-top:9px;flex:none}
.compare-col.is-good .compare-list li::before{background:var(--brand)}

/* ---------- Assure ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.assure{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.assure:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d6dbfb}
.assure-icon{width:38px;height:38px;border-radius:11px;background:var(--grad);color:#fff;display:grid;place-items:center;margin-bottom:14px;box-shadow:0 8px 18px rgba(91,110,245,.28)}
.assure-icon svg{width:18px;height:18px}
.assure h3{font-size:15.5px;font-weight:700;margin-bottom:6px}
.assure p{font-size:14px;color:var(--muted);line-height:1.72}

/* ---------- Quick ---------- */
.quick{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quick-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
.quick-card h3{font-size:15.5px;font-weight:800;margin-bottom:8px;color:var(--brand-deep)}
.quick-card p{font-size:14.5px;color:var(--ink-2);line-height:1.78}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#d6dbfb;box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 56px 18px 22px;font-weight:700;font-size:15.5px;position:relative;transition:color .2s ease;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:20px;font-weight:400;color:var(--brand);line-height:1}
.faq-item[open] summary{color:#4653d8}
.faq-item[open] summary::after{content:"–"}
.faq-body{padding:0 22px 20px;color:var(--ink-2);font-size:14.5px;line-height:1.82}

/* ---------- Subscribe ---------- */
.subscribe-card{position:relative;overflow:hidden;border-radius:var(--radius-xl);padding:44px;background:linear-gradient(120deg,#1d1b4a 0%,#3a3480 58%,#4b3f92 100%);color:#fff;box-shadow:var(--shadow-lg);display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}
.subscribe-card::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-7.webp') center/cover no-repeat;opacity:.16}
.subscribe-card > *{position:relative;z-index:2}
.subscribe-card h2{font-size:clamp(21px,2.2vw,27px);font-weight:800;line-height:1.45;margin-bottom:10px}
.subscribe-card p{font-size:14.5px;color:rgba(255,255,255,.8);line-height:1.8}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{flex:1 1 200px;height:48px;border-radius:10px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.12);color:#fff;padding:0 16px;font-size:15px;outline:none;transition:border-color .2s,background .2s,box-shadow .2s}
.sub-form input::placeholder{color:rgba(255,255,255,.62)}
.sub-form input:focus{border-color:#fff;background:rgba(255,255,255,.2);box-shadow:0 0 0 4px rgba(255,255,255,.16)}
.sub-form .btn{background:#fff;color:var(--brand-deep);box-shadow:0 12px 26px rgba(9,11,40,.28)}
.sub-form .btn:hover{background:#f2f3ff;transform:translateY(-2px)}
.form-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.66)}

/* ---------- Footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:54px 0 26px;margin-top:12px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;margin-bottom:14px}
.footer-about{font-size:14px;color:var(--muted);line-height:1.85;max-width:420px}
.footer-col h3{font-size:14.5px;font-weight:800;margin-bottom:14px;color:var(--ink)}
.footer-col ul li{margin:0 0 10px}
.footer-col ul li a{font-size:14px;color:var(--muted);transition:color .2s ease}
.footer-col ul li a:hover{color:var(--brand)}
.footer-bottom{margin-top:38px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
 .header-inner{height:64px;gap:14px}
 .nav-toggle{display:grid;margin-left:auto;order:3}
 .header-actions{order:2;margin-left:auto;gap:8px}
 .search-box{display:none}
 .primary-nav{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(23,26,63,.12);display:none;flex-direction:column;align-items:stretch;gap:6px;padding:14px 20px 18px;margin:0}
 .primary-nav.is-open{display:flex}
 .nav-link{height:44px;border-radius:10px;justify-content:flex-start;padding:0 14px;font-size:15px}
 .nav-link.is-active::after{display:none}
 .hero-card{grid-template-columns:1fr;gap:30px;padding:40px 32px}
 .metrics{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .assure-grid{grid-template-columns:repeat(2,1fr)}
 .quick{grid-template-columns:1fr 1fr}
 .subscribe-card{grid-template-columns:1fr;padding:34px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .section--tight{padding:44px 0}
 .hero{padding:20px 0 0}
 .hero-card{padding:32px 22px;border-radius:var(--radius-lg)}
 .hero-text{font-size:15px}
 .hero-actions .btn{flex:1 1 140px}
 .grid-3,.grid-2,.compare,.quick,.path{grid-template-columns:1fr}
 .path-item{grid-template-columns:52px 1fr;gap:14px;padding:18px}
 .path-num{width:44px;height:44px;font-size:15px;border-radius:12px}
 .mini-stats{grid-template-columns:1fr 1fr}
 .subscribe-card{padding:28px 22px}
 .footer-bottom{flex-direction:column;gap:10px}
}
@media (max-width:520px){
 .brand-text{font-size:17px}
 .header-actions{display:none}
 .metrics{grid-template-columns:1fr 1fr;gap:12px}
 .metric{padding:18px 15px}
 .metric b{font-size:25px}
 .assure-grid{grid-template-columns:1fr}
 .card-body{padding:18px}
 .footer-grid{grid-template-columns:1fr}
 .ring-wrap{flex-direction:column;align-items:flex-start;gap:10px}
 .sub-form input{flex:1 1 100%}
 .sub-form .btn{width:100%}
}