/* roulang page: index */
:root{
  --brand-900:#0e1b3d;
  --brand-800:#16224a;
  --brand-700:#1b2f63;
  --brand-500:#2f5ee0;
  --brand-100:#eaf0fd;
  --accent:#e6a93c;
  --accent-soft:#fff5e2;
  --ink:#151c2c;
  --ink-soft:#525d75;
  --line:#e3e8f2;
  --bg:#f5f7fc;
  --card:#ffffff;
  --radius:20px;
  --radius-sm:12px;
  --shadow-sm:0 2px 10px rgba(16,26,64,.06);
  --shadow-md:0 16px 38px rgba(16,26,64,.11);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 3px 14px rgba(16,26,64,.05);
}
.header-inner{display:flex;align-items:center;gap:26px;height:74px;}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.logo-mark{
  width:40px;height:40px;border-radius:13px;
  background:linear-gradient(135deg,#2f5ee0,#0e1b3d);
  color:#fff;display:grid;place-items:center;
  font-size:17px;font-weight:800;letter-spacing:0;
  box-shadow:0 8px 18px rgba(47,94,224,.3);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-name{font-size:17px;font-weight:800;color:var(--brand-900);}
.logo-sub{font-size:11.5px;color:var(--ink-soft);letter-spacing:.4px;}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
  display:inline-block;padding:9px 15px;border-radius:11px;
  font-size:15px;color:#33405c;transition:background .2s,color .2s;
}
.nav-link:hover{background:#eef2fb;color:var(--brand-700);}
.nav-link:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.nav-link.active{background:var(--brand-100);color:var(--brand-500);font-weight:700;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.header-search{
  display:flex;align-items:center;gap:8px;
  background:#f2f5fc;border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;
}
.header-search input{
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);width:150px;
}
.header-search input::placeholder{color:#98a3ba;}
.header-search button{
  border:0;background:transparent;color:var(--brand-500);
  font-size:13.5px;font-weight:700;cursor:pointer;padding:0;
}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--brand-700);border-radius:2px;transition:.2s;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;}
.mobile-panel.open{display:block;}
.mobile-panel .container{padding-top:14px;padding-bottom:18px;}
.mobile-panel a{
  display:block;padding:11px 12px;border-radius:11px;
  color:#33405c;font-size:15.5px;
}
.mobile-panel a:hover{background:#f2f5fc;}
.mobile-panel a.active{background:var(--brand-100);color:var(--brand-500);font-weight:700;}
.mobile-dl{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 21px;border-radius:12px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;
}
.btn:focus-visible{outline:3px solid rgba(47,94,224,.35);outline-offset:2px;}
.btn-primary{background:linear-gradient(135deg,#2f5ee0,#1b2f63);color:#fff;box-shadow:0 10px 22px rgba(47,94,224,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 15px 30px rgba(47,94,224,.34);}
.btn-accent{background:linear-gradient(135deg,#f6c65f,#e6a93c);color:#3c2b06;box-shadow:0 10px 22px rgba(230,169,60,.32);}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 15px 30px rgba(230,169,60,.38);}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--line);}
.btn-ghost:hover{background:#f3f7ff;border-color:#c9d7f7;transform:translateY(-2px);}
.btn-sm{padding:8px 15px;font-size:14px;border-radius:10px;}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(1100px 520px at 50% -140px,#3358b4 0%,#1a2751 48%,#0e1b3d 100%);
  padding:70px 0 78px;
}
.hero::before{
  content:"";position:absolute;inset:auto -160px -220px auto;
  width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(230,169,60,.22),transparent 65%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-180px;top:-120px;
  width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,94,224,.38),transparent 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:840px;margin:0 auto;text-align:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  color:#e6edff;font-size:13px;padding:6px 15px;border-radius:999px;margin-bottom:22px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;}
.hero h1{
  font-size:clamp(26px,3.4vw,40px);
  color:#fff;letter-spacing:.5px;margin-bottom:20px;
  text-shadow:0 8px 24px rgba(4,10,32,.35);
}
.hero-lead{
  font-size:16px;color:#cfd9f2;line-height:1.95;
  max-width:760px;margin:0 auto;
}
.hero-search{
  display:flex;gap:10px;background:#fff;border-radius:16px;
  padding:8px;max-width:640px;margin:34px auto 0;
  box-shadow:0 22px 46px rgba(4,10,32,.4);
}
.hero-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  padding:11px 15px;font-size:15px;color:#101a32;
}
.hero-search input::placeholder{color:#98a3ba;}
.hero-search button{
  border:0;border-radius:12px;padding:12px 24px;
  background:linear-gradient(135deg,#2f5ee0,#1b2f63);color:#fff;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease;
}
.hero-search button:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(47,94,224,.4);}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px;}
.chip{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.26);
  color:#e8eeff;padding:7px 15px;border-radius:999px;
  font-size:13.5px;cursor:pointer;transition:background .2s,transform .2s;
}
.chip:hover{background:rgba(255,255,255,.22);transform:translateY(-1px);}
.chip:focus-visible{outline:2px solid #fff;outline-offset:2px;}
.hero-dl{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px;}
.dl-btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 22px;border-radius:14px;font-size:15px;font-weight:700;
  color:#fff;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.26);
  transition:background .2s,transform .2s,box-shadow .2s;
}
.dl-btn:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);box-shadow:0 14px 28px rgba(4,10,32,.35);}
.dl-btn.is-accent{background:linear-gradient(135deg,#f6c65f,#e6a93c);color:#3c2b06;border-color:transparent;box-shadow:0 14px 28px rgba(230,169,60,.3);}
.dl-btn.is-accent:hover{box-shadow:0 18px 34px rgba(230,169,60,.4);}
.dl-icon{font-size:16px;line-height:1;}

/* ===== Sections ===== */
.section{padding:74px 0;}
.section-alt{background:#fff;}
.section-head{max-width:780px;margin:0 auto 42px;text-align:center;}
.section-head.left{text-align:left;margin-left:0;}
.section-tag{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1px;
  color:var(--brand-500);background:var(--brand-100);
  padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
.section-title{font-size:clamp(22px,2.4vw,29px);color:var(--brand-900);margin-bottom:14px;}
.section-desc{font-size:15.5px;color:var(--ink-soft);line-height:1.9;}

/* ===== Grids & Cards ===== */
.grid{display:grid;gap:22px;}
.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));}
.grid>*{min-width:0;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);min-width:0;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d5e0f7;}
.card-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,#eaf0fd,#dfe8ff);color:var(--brand-500);
  font-size:19px;font-weight:800;margin-bottom:16px;
}
.card-title{font-size:17.5px;color:var(--brand-900);margin-bottom:10px;}
.card-text{font-size:14.8px;color:var(--ink-soft);line-height:1.85;}
.card-tagline{
  display:inline-block;margin-top:16px;font-size:12.5px;font-weight:700;
  color:#8a6212;background:var(--accent-soft);padding:4px 11px;border-radius:999px;
}

/* ===== Stat board ===== */
.stat-board{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:24px;
  padding:14px;box-shadow:var(--shadow-sm);
}
.stat-item{
  padding:22px 20px;border-radius:16px;background:linear-gradient(160deg,#f7f9ff,#eef3ff);
  border:1px solid #e6ecfb;min-width:0;
}
.stat-num{
  font-size:30px;font-weight:800;color:var(--brand-500);
  line-height:1.2;letter-spacing:0;
}
.stat-num small{font-size:14px;font-weight:700;color:var(--brand-700);margin-left:2px;}
.stat-label{font-size:14.5px;font-weight:700;color:var(--brand-900);margin-top:6px;}
.stat-desc{font-size:13.5px;color:var(--ink-soft);margin-top:6px;line-height:1.7;}
.stat-note{font-size:13px;color:#8a93a8;text-align:center;margin-top:18px;}

/* ===== Download block ===== */
.download-card{
  border-radius:26px;padding:38px;
  background:linear-gradient(135deg,#f3f7ff 0%,#ffffff 55%,#fff8ec 100%);
  border:1px solid #e2e9f9;box-shadow:var(--shadow-md);
}
.download-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:34px;align-items:center;}
.download-title{font-size:24px;color:var(--brand-900);margin-bottom:12px;}
.download-desc{font-size:15px;color:var(--ink-soft);line-height:1.9;}
.dl-grid{display:grid;grid-template-columns:1fr;gap:12px;}
.dl-link{
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:15px;
  padding:14px 18px;transition:transform .2s,box-shadow .2s,border-color .2s;
}
.dl-link:hover{transform:translateX(4px);box-shadow:var(--shadow-sm);border-color:#c9d7f7;}
.dl-link .dl-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand-500);font-size:17px;flex-shrink:0;
}
.dl-link strong{display:block;font-size:15.5px;color:var(--brand-900);}
.dl-link span{display:block;font-size:12.8px;color:var(--ink-soft);}
.dl-note{font-size:12.8px;color:#8a93a8;margin-top:16px;}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:st;}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:26px 22px 24px;box-shadow:var(--shadow-sm);min-width:0;
  transition:transform .22s,box-shadow .22s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step-num{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2f5ee0,#1b2f63);color:#fff;
  font-size:15px;font-weight:800;margin-bottom:14px;
}
.step h3{font-size:16.5px;color:var(--brand-900);margin-bottom:9px;}
.step p{font-size:14.3px;color:var(--ink-soft);line-height:1.8;}

/* ===== Compare ===== */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.compare-col{
  border-radius:20px;padding:28px;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-sm);min-width:0;
}
.compare-col.is-bad{background:linear-gradient(160deg,#fff5f5,#ffffff);border-color:#f6dede;}
.compare-col.is-good{background:linear-gradient(160deg,#f1f7ff,#ffffff);border-color:#dbe6fb;}
.compare-head{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.compare-head h3{font-size:18px;color:var(--brand-900);}
.badge-soft{
  font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;
  background:#fdeeee;color:#b34242;
}
.badge-blue{background:var(--brand-100);color:var(--brand-500);}
.compare-list li{
  position:relative;padding-left:20px;font-size:14.6px;color:var(--ink-soft);
  line-height:1.85;margin-bottom:11px;
}
.compare-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:#cfd8ea;
}
.compare-col.is-good .compare-list li::before{background:var(--brand-500);}
.compare-col.is-bad .compare-list li::before{background:#e0a3a3;}

/* ===== Checklist ===== */
.checklist-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:32px;box-shadow:var(--shadow-sm);
}
.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#f8faff;border:1px solid #e8eefb;border-radius:15px;padding:16px 18px;min-width:0;
}
.check-dot{
  width:26px;height:26px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(135deg,#2f5ee0,#1b2f63);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:800;
}
.check-item strong{display:block;font-size:15.2px;color:var(--brand-900);margin-bottom:4px;}
.check-item p{font-size:13.8px;color:var(--ink-soft);line-height:1.75;}

/* ===== Timeline ===== */
.timeline{position:relative;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,#c7d7f8,#2f5ee0);
  border-radius:2px;
}
.timeline-item{position:relative;padding:0 0 26px 18px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-26px;top:7px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--brand-500);box-shadow:0 0 0 4px rgba(47,94,224,.12);
}
.timeline-item h3{font-size:16.5px;color:var(--brand-900);margin-bottom:7px;}
.timeline-item p{font-size:14.5px;color:var(--ink-soft);line-height:1.85;}

/* ===== News ===== */
.news-layout{display:grid;grid-template-columns:1.9fr 1fr;gap:28px;align-items:start;}
.news-item{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:22px 24px;margin-bottom:16px;box-shadow:var(--shadow-sm);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.news-item:last-child{margin-bottom:0;}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d5e0f7;}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:9px;}
.tag{
  font-size:12.5px;font-weight:700;color:var(--brand-500);
  background:var(--brand-100);padding:3px 10px;border-radius:999px;
}
.news-meta time{font-size:12.8px;color:#93a0b8;}
.news-item h3{font-size:17.5px;color:var(--brand-900);margin-bottom:8px;}
.news-item h3 a{transition:color .2s;}
.news-item h3 a:hover{color:var(--brand-500);}
.news-item p{font-size:14.4px;color:var(--ink-soft);line-height:1.85;}
.news-side{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:24px;box-shadow:var(--shadow-sm);
}
.news-side h3{font-size:16.5px;color:var(--brand-900);margin-bottom:16px;}
.side-item{padding:12px 0;border-bottom:1px dashed #e8edf8;}
.side-item:last-child{border-bottom:0;padding-bottom:0;}
.side-item a{font-size:14.5px;color:#2c3853;line-height:1.7;display:block;transition:color .2s;}
.side-item a:hover{color:var(--brand-500);}
.side-item span{display:block;font-size:12.5px;color:#93a0b8;margin-top:4px;}
.empty-tip{
  background:#fff;border:1px dashed #d5dded;border-radius:16px;
  padding:28px;text-align:center;color:var(--ink-soft);font-size:14.5px;
}
.more-link{display:inline-flex;align-items:center;gap:6px;margin-top:22px;font-size:14.5px;font-weight:700;color:var(--brand-500);}
.more-link:hover{color:var(--brand-700);}

/* ===== Channel matrix ===== */
.channel-card{
  display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
  background:linear-gradient(135deg,#0e1b3d,#1b2f63 60%,#2a428a);
  border-radius:24px;padding:36px 38px;color:#fff;
  box-shadow:0 20px 44px rgba(14,27,61,.28);
}
.channel-card h3{font-size:21px;margin-bottom:10px;color:#fff;}
.channel-card p{font-size:14.8px;color:#c9d5f0;line-height:1.9;max-width:720px;}

/* ===== Risk list ===== */
.risk-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:30px;box-shadow:var(--shadow-sm);
}
.risk-list li{
  position:relative;padding-left:26px;font-size:14.8px;color:var(--ink-soft);
  line-height:1.9;margin-bottom:14px;
}
.risk-list li:last-child{margin-bottom:0;}
.risk-list li::before{
  content:"§";position:absolute;left:0;top:0;color:var(--accent);font-weight:800;
}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:20px 24px;box-shadow:var(--shadow-sm);transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:#c9d7f7;box-shadow:var(--shadow-md);}
.faq-item summary{
  list-style:none;cursor:pointer;font-size:16px;font-weight:700;color:var(--brand-900);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:700;color:var(--brand-500);
  flex-shrink:0;transition:transform .2s;
}
.faq-item[open] summary::after{content:"−";}
.faq-item p{font-size:14.6px;color:var(--ink-soft);line-height:1.9;margin-top:12px;}

/* ===== Quiz / CTA ===== */
.quiz-wrap{
  display:grid;grid-template-columns:1.35fr 1fr;gap:26px;align-items:stretch;
}
.quiz-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:30px;box-shadow:var(--shadow-sm);
}
.quiz-item{margin-bottom:20px;}
.quiz-item:last-of-type{margin-bottom:8px;}
.quiz-q{font-size:15.2px;font-weight:700;color:var(--brand-900);margin-bottom:10px;}
.quiz-opts{display:flex;flex-wrap:wrap;gap:10px;}
.opt{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  border:1px solid var(--line);border-radius:999px;padding:8px 15px;
  font-size:13.8px;color:#3c4863;background:#fafcff;transition:.2s;
}
.opt:hover{border-color:#c9d7f7;background:#f3f7ff;}
.opt input{accent-color:var(--brand-500);margin:0;}
.quiz-result{
  margin-top:6px;font-size:14.4px;color:var(--brand-700);
  background:var(--brand-100);border-radius:14px;padding:14px 16px;
  display:none;line-height:1.85;
}
.quiz-result.show{display:block;}
.quiz-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px;}
.cta-panel{
  background:linear-gradient(150deg,#0e1b3d,#22407f);
  border-radius:22px;padding:32px;color:#fff;
  display:flex;flex-direction:column;justify-content:center;
  box-shadow:0 20px 44px rgba(14,27,61,.26);
}
.cta-panel h3{font-size:21px;color:#fff;margin-bottom:12px;}
.cta-panel p{font-size:14.6px;color:#c9d5f0;line-height:1.9;margin-bottom:22px;}
.cta-panel .btn{width:100%;}

/* ===== Footer ===== */
.site-footer{background:#0b1430;color:#b9c5e0;padding:62px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand .logo-name{color:#fff;}
.footer-brand .logo-sub{color:#8f9dc0;}
.footer-about{font-size:14px;color:#9dabcb;line-height:1.9;margin-top:16px;}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:14px;font-weight:700;}
.footer-col a,.footer-col p{display:block;font-size:13.8px;color:#9dabcb;line-height:2.05;transition:color .2s;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:42px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8090b4;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .stat-board{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .download-inner{grid-template-columns:1fr;}
  .news-layout{grid-template-columns:1fr;}
  .quiz-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .header-search input{width:120px;}
}
@media (max-width:860px){
  .nav-list,.header-search{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-inner{height:66px;gap:12px;}
  .header-actions .btn{padding:9px 15px;font-size:14px;}
  .section{padding:56px 0;}
  .hero{padding:52px 0 62px;}
  .channel-card{grid-template-columns:1fr;padding:28px;}
}
@media (max-width:768px){
  .grid-2,.grid-3,.grid-4,.compare,.checklist{grid-template-columns:1fr;}
  .stat-board{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .download-card{padding:26px;}
  .checklist-card,.quiz-card,.risk-card{padding:24px;}
  .hero-search{flex-direction:column;padding:10px;}
  .hero-search button{width:100%;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .logo-name{font-size:15.5px;}
  .logo-sub{font-size:10.5px;}
  .hero h1{font-size:24px;}
  .hero-lead{font-size:15px;}
  .dl-btn{width:100%;justify-content:center;}
  .hero-dl{width:100%;}
  .footer-bottom{flex-direction:column;}
  .section-title{font-size:21px;}
}

/* roulang page: article */
:root{
  --brand-900:#0e1b3d;
  --brand-800:#16224a;
  --brand-700:#1b2f63;
  --brand-500:#2f5ee0;
  --brand-100:#eaf0fd;
  --accent:#e6a93c;
  --accent-soft:#fff5e2;
  --ink:#151c2c;
  --ink-soft:#525d75;
  --line:#e3e8f2;
  --bg:#f5f7fc;
  --card:#ffffff;
  --radius:20px;
  --radius-sm:12px;
  --shadow-sm:0 2px 10px rgba(16,26,64,.06);
  --shadow-md:0 16px 38px rgba(16,26,64,.11);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body.site-body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
.site-header .container,
main .container,
.site-footer .container{width:100%;max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 3px 14px rgba(16,26,64,.05);
}
.header-inner{display:flex;align-items:center;gap:24px;height:74px;}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.logo-mark{
  width:40px;height:40px;border-radius:13px;
  background:linear-gradient(135deg,#2f5ee0,#0e1b3d);
  color:#fff;display:grid;place-items:center;
  font-size:17px;font-weight:800;
  box-shadow:0 8px 18px rgba(47,94,224,.3);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-name{font-size:17px;font-weight:800;color:var(--brand-900);}
.logo-sub{font-size:11.5px;color:var(--ink-soft);letter-spacing:.4px;}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
  display:inline-block;padding:9px 15px;border-radius:11px;
  font-size:15px;color:#33405c;transition:background .2s,color .2s;
}
.nav-link:hover{background:#eef2fb;color:var(--brand-700);}
.nav-link:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.nav-link.active{background:var(--brand-100);color:var(--brand-500);font-weight:700;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.header-search{
  display:flex;align-items:center;gap:8px;
  background:#f2f5fc;border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;
}
.header-search input{
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);width:150px;
}
.header-search input::placeholder{color:#98a3ba;}
.header-search button{
  border:0;background:transparent;color:var(--brand-500);
  font-size:13.5px;font-weight:700;cursor:pointer;padding:0;
}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--brand-700);border-radius:2px;transition:.2s;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;}
.mobile-panel.open{display:block;}
.mobile-panel .container{padding-top:14px;padding-bottom:18px;}
.mobile-panel a{
  display:block;padding:11px 12px;border-radius:11px;
  color:#33405c;font-size:15.5px;
}
.mobile-panel a:hover{background:#f2f5fc;}
.mobile-panel a.active{background:var(--brand-100);color:var(--brand-500);font-weight:700;}
.mobile-dl{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 21px;border-radius:12px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;
}
.btn:focus-visible{outline:3px solid rgba(47,94,224,.35);outline-offset:2px;}
.btn-primary{background:linear-gradient(135deg,#2f5ee0,#1b2f63);color:#fff;box-shadow:0 10px 22px rgba(47,94,224,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 15px 30px rgba(47,94,224,.34);}
.btn-accent{background:linear-gradient(135deg,#f6c65f,#e6a93c);color:#3c2b06;box-shadow:0 10px 22px rgba(230,169,60,.32);}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 15px 30px rgba(230,169,60,.38);}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--line);}
.btn-ghost:hover{background:#f3f7ff;border-color:#c9d7f7;transform:translateY(-2px);}
.btn-sm{padding:8px 15px;font-size:14px;border-radius:10px;}

/* ===== Article head ===== */
.article-hero{
  background:linear-gradient(180deg,#eef3ff 0%,#f5f7fc 100%);
  border-bottom:1px solid var(--line);
  padding:30px 0 34px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--ink-soft);margin-bottom:18px;
}
.breadcrumb a{color:var(--brand-700);font-weight:600;}
.breadcrumb a:hover{color:var(--brand-500);}
.breadcrumb .sep{color:#b6c0d4;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-100);color:var(--brand-500);
  font-size:12.5px;font-weight:700;padding:5px 13px;border-radius:999px;
}
.tag-accent{background:var(--accent-soft);color:#8a6413;}
.article-title{
  font-size:clamp(24px,2.9vw,34px);
  line-height:1.45;color:var(--brand-900);
  margin:15px 0 14px;letter-spacing:.3px;
  word-break:normal;overflow-wrap:break-word;
}
.article-summary{
  color:var(--ink-soft);font-size:15.5px;line-height:1.9;
  max-width:880px;margin:0;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  margin-top:18px;font-size:13.5px;color:#7b8699;
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}

/* ===== Article layout ===== */
.article-wrap{padding:40px 0 66px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 336px;
  gap:32px;
  align-items:start;
}
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:34px 38px;
  min-width:0;
}
.article-body{
  font-size:16.5px;line-height:1.95;color:#26314b;
  min-width:0;word-break:normal;overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:22px;line-height:1.55;margin:34px 0 14px;padding-left:12px;
  border-left:4px solid var(--brand-500);color:var(--brand-900);
}
.article-body h3{font-size:18px;line-height:1.6;margin:26px 0 10px;color:var(--brand-800);}
.article-body h4{font-size:16.5px;margin:20px 0 8px;color:var(--brand-700);}
.article-body p{margin:0 0 16px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;}
.article-body li{margin-bottom:8px;}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;background:var(--accent-soft);
  border-left:4px solid var(--accent);border-radius:var(--radius-sm);color:#5a4415;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body th{background:#f3f6fd;color:var(--brand-800);font-weight:700;}
.article-body img{border-radius:var(--radius-sm);margin:18px auto;max-width:100%;height:auto;}
.article-body a{color:var(--brand-500);text-decoration:underline;}
.article-body a:hover{color:var(--brand-700);}
.article-body code{background:#f2f5fc;padding:2px 6px;border-radius:6px;font-size:14.5px;}

.notice-card{
  background:#fff;border:1px dashed #c9d7f7;border-radius:var(--radius);
  padding:30px;text-align:center;
}
.notice-card h2{font-size:20px;color:var(--brand-900);margin:0 0 10px;}
.notice-card p{color:var(--ink-soft);margin:0 0 18px;}

/* ===== Sidebar ===== */
.article-side{min-width:0;}
.side-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow-sm);margin-bottom:20px;min-width:0;
}
.side-card:last-child{margin-bottom:0;}
.side-title{
  font-size:15.5px;font-weight:800;color:var(--brand-900);
  margin:0 0 14px;display:flex;align-items:center;gap:9px;
}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand-500);display:block;}
.info-row{
  display:flex;justify-content:space-between;gap:14px;
  font-size:14px;padding:9px 0;border-bottom:1px dashed var(--line);
}
.info-row:last-child{border-bottom:0;}
.info-row .k{color:var(--ink-soft);flex-shrink:0;}
.info-row .v{color:var(--brand-800);font-weight:600;text-align:right;overflow-wrap:break-word;min-width:0;}
.dl-mini{display:grid;gap:10px;}
.dl-btn{
  display:flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 14px;border-radius:12px;font-size:14.5px;font-weight:700;
  border:1px solid var(--line);background:#fff;color:var(--brand-700);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.dl-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.dl-btn.pc{background:linear-gradient(135deg,#2f5ee0,#1b2f63);color:#fff;border-color:transparent;box-shadow:0 10px 22px rgba(47,94,224,.26);}
.dl-btn.pc:hover{box-shadow:0 15px 28px rgba(47,94,224,.32);}
.dl-btn.android{background:#eef7f0;color:#1f6b3a;border-color:#d6e8db;}
.dl-btn.android:hover{background:#e4f2e8;}
.dl-btn.ios{background:#f4f1fb;color:#4b3b8f;border-color:#e1daf6;}
.dl-btn.ios:hover{background:#ece7f9;}
.side-note{background:linear-gradient(160deg,#fffaf0,#fff);border-color:#f3e3c2;}
.side-note p{font-size:13.5px;color:#7a6229;margin:0 0 8px;line-height:1.85;}
.side-note p:last-child{margin-bottom:0;}

/* ===== Section basics ===== */
.section{padding:64px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:34px;}
.section-head h2{
  font-size:clamp(21px,2.4vw,28px);color:var(--brand-900);
  margin:0 0 12px;letter-spacing:.3px;line-height:1.5;
}
.section-head p{color:var(--ink-soft);font-size:15.5px;margin:0;line-height:1.9;}

/* ===== Point cards ===== */
.point-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.point-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);min-width:0;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfdcf8;}
.point-num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;
  background:var(--brand-100);color:var(--brand-500);font-weight:800;font-size:14.5px;
  margin-bottom:14px;
}
.point-card h3{font-size:17px;color:var(--brand-900);margin:0 0 10px;line-height:1.6;}
.point-card p{font-size:14.8px;color:var(--ink-soft);margin:0;line-height:1.9;}

/* ===== Related posts ===== */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.related-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);min-width:0;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfdcf8;}
.related-card h3{font-size:16.5px;line-height:1.65;color:var(--brand-900);margin:0;overflow-wrap:break-word;}
.related-card p{font-size:14.2px;color:var(--ink-soft);margin:0;line-height:1.85;}
.related-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#8a94a8;margin-top:auto;}
.related-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand-500);margin-top:6px;
}
.related-card:hover .related-more{color:var(--brand-700);}

/* ===== Download section ===== */
.download-section{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(1000px 480px at 12% -10%,#3358b4 0%,#1a2751 52%,#0e1b3d 100%);
  padding:64px 0;
}
.download-section::after{
  content:"";position:absolute;right:-160px;bottom:-220px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(230,169,60,.22),transparent 66%);pointer-events:none;
}
.download-inner{position:relative;z-index:2;}
.download-head{max-width:760px;margin-bottom:32px;}
.download-head h2{font-size:clamp(22px,2.6vw,30px);color:#fff;margin:0 0 12px;line-height:1.5;}
.download-head p{color:#cbd7f1;font-size:15.5px;margin:0;line-height:1.9;}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.dl-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius);padding:24px;min-width:0;
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.dl-card:hover{transform:translateY(-3px);background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.32);}
.dl-card .dl-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(255,255,255,.14);color:#fff;font-size:19px;margin-bottom:14px;
}
.dl-card h3{font-size:17px;color:#fff;margin:0 0 8px;}
.dl-card p{font-size:14px;color:#bfcbe8;margin:0 0 16px;line-height:1.8;}
.dl-card .btn{width:100%;}
.dl-tip{margin-top:20px;font-size:13.5px;color:#a9b8dd;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px 22px;box-shadow:var(--shadow-sm);min-width:0;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#cfdcf8;box-shadow:var(--shadow-md);}
.faq-item summary{
  cursor:pointer;list-style:none;font-size:16px;font-weight:700;color:var(--brand-900);
  display:flex;align-items:center;justify-content:space-between;gap:14px;line-height:1.7;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex-shrink:0;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;background:var(--brand-100);color:var(--brand-500);
  font-size:17px;font-weight:700;
}
.faq-item[open] summary::after{content:"–";}
.faq-item p{margin:12px 0 0;font-size:14.8px;color:var(--ink-soft);line-height:1.95;}

/* ===== Disclaimer ===== */
.disclaimer{
  background:#fff;border-top:1px solid var(--line);
  padding:26px 0;
}
.disclaimer-inner{
  display:flex;gap:14px;align-items:flex-start;
  font-size:13.8px;color:var(--ink-soft);line-height:1.9;
}
.disclaimer-inner i{color:var(--accent);margin-top:4px;}

/* ===== Footer ===== */
.site-footer{background:#0b1533;color:#c6d0e8;padding:56px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-name{color:#fff;}
.footer-brand .logo-sub{color:#93a2c6;}
.footer-about{font-size:14px;color:#9dabc9;line-height:1.95;margin:0;max-width:380px;}
.footer-col h4{font-size:15px;color:#fff;margin:0 0 16px;font-weight:800;}
.footer-col a{display:block;font-size:14px;color:#a9b6d4;padding:5px 0;transition:color .2s;}
.footer-col a:hover{color:#fff;}
.footer-col p{font-size:13.5px;color:#93a2c6;line-height:1.9;margin:0 0 8px;}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:#8b9abd;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .header-search{display:none;}
  .nav-list{display:none;}
  .menu-toggle{display:flex;margin-left:auto;}
  .header-actions{margin-left:auto;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:26px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .dl-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .section{padding:52px 0;}
}
@media (max-width:768px){
  .header-inner{height:66px;gap:14px;}
  .logo-sub{display:none;}
  .header-actions .btn{display:none;}
  .article-card{padding:24px 20px;}
  .article-body{font-size:16px;}
  .point-grid{grid-template-columns:minmax(0,1fr);}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .dl-grid{grid-template-columns:minmax(0,1fr);}
  .download-section{padding:50px 0;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .article-hero{padding:24px 0 28px;}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .site-header .container,
  main .container,
  .site-footer .container{padding-left:16px;padding-right:16px;}
  .article-meta{font-size:12.8px;}
  .tag{font-size:12px;}
  .side-card{padding:18px;}
  .btn{width:100%;}
  .dl-mini .dl-btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0e1b3d;
  --brand-800:#16224a;
  --brand-700:#1b2f63;
  --brand-500:#2f5ee0;
  --brand-100:#eaf0fd;
  --accent:#e6a93c;
  --accent-soft:#fff5e2;
  --ink:#151c2c;
  --ink-soft:#525d75;
  --line:#e3e8f2;
  --bg:#f5f7fc;
  --card:#ffffff;
  --radius:20px;
  --radius-sm:12px;
  --shadow-sm:0 2px 10px rgba(16,26,64,.06);
  --shadow-md:0 16px 38px rgba(16,26,64,.11);
}
*,*::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",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 3px 14px rgba(16,26,64,.05);
}
.header-inner{display:flex;align-items:center;gap:26px;height:74px;}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.logo-mark{
  width:40px;height:40px;border-radius:13px;
  background:linear-gradient(135deg,#2f5ee0,#0e1b3d);
  color:#fff;display:grid;place-items:center;
  font-size:17px;font-weight:800;
  box-shadow:0 8px 18px rgba(47,94,224,.3);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-name{font-size:17px;font-weight:800;color:var(--brand-900);}
.logo-sub{font-size:11.5px;color:var(--ink-soft);letter-spacing:.4px;}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
  display:inline-block;padding:9px 15px;border-radius:11px;
  font-size:15px;color:#33405c;transition:background .2s,color .2s;
}
.nav-link:hover{background:#eef2fb;color:var(--brand-700);}
.nav-link:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.nav-link.active{background:var(--brand-100);color:var(--brand-500);font-weight:700;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.header-search{
  display:flex;align-items:center;gap:8px;
  background:#f2f5fc;border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;
}
.header-search input{
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);width:150px;
}
.header-search input::placeholder{color:#98a3ba;}
.header-search button{
  border:0;background:transparent;color:var(--brand-500);
  font-size:13.5px;font-weight:700;cursor:pointer;padding:0;
}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--brand-700);border-radius:2px;transition:.2s;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;}
.mobile-panel.open{display:block;}
.mobile-panel .container{padding-top:14px;padding-bottom:18px;}
.mobile-panel a{
  display:block;padding:11px 12px;border-radius:11px;
  color:#33405c;font-size:15.5px;
}
.mobile-panel a:hover{background:#f2f5fc;}
.mobile-panel a.active{background:var(--brand-100);color:var(--brand-500);font-weight:700;}
.mobile-dl{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;}
/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 21px;border-radius:12px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;
}
.btn:focus-visible{outline:3px solid rgba(47,94,224,.35);outline-offset:2px;}
.btn-primary{background:linear-gradient(135deg,#2f5ee0,#1b2f63);color:#fff;box-shadow:0 10px 22px rgba(47,94,224,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 15px 30px rgba(47,94,224,.34);}
.btn-accent{background:linear-gradient(135deg,#f6c65f,#e6a93c);color:#3c2b06;box-shadow:0 10px 22px rgba(230,169,60,.32);}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 15px 30px rgba(230,169,60,.38);}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--line);}
.btn-ghost:hover{background:#f3f7ff;border-color:#c9d7f7;transform:translateY(-2px);}
.btn-sm{padding:8px 15px;font-size:14px;border-radius:10px;}
/* ===== Category Hero ===== */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(1100px 520px at 50% -140px,#3358b4 0%,#1a2751 48%,#0e1b3d 100%);
  padding:54px 0 96px;
}
.cat-hero::before{
  content:"";position:absolute;inset:auto -160px -220px auto;
  width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(230,169,60,.22),transparent 65%);
  pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;left:-180px;top:-120px;
  width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,94,224,.38),transparent 68%);
  pointer-events:none;
}
.cat-hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:44px;align-items:center;
}
.cat-hero-main{min-width:0;}
.breadcrumb{font-size:13.5px;color:#a8b8dd;margin-bottom:18px;letter-spacing:.3px;}
.breadcrumb span{color:#7d90bd;margin:0 7px;}
.cat-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  color:#e6edff;font-size:13px;padding:6px 15px;border-radius:999px;margin-bottom:18px;
}
.cat-badge i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;}
.cat-hero h1{
  font-size:clamp(24px,3.1vw,36px);
  line-height:1.35;letter-spacing:.4px;color:#fff;
  margin-bottom:18px;
  text-shadow:0 8px 24px rgba(4,10,32,.35);
}
.cat-hero-lead{font-size:15.5px;color:#cfd9f2;line-height:1.95;max-width:620px;}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.cat-hero-actions .btn-ghost{background:rgba(255,255,255,.1);color:#e8eeff;border-color:rgba(255,255,255,.3);}
.cat-hero-actions .btn-ghost:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.5);}
.cat-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px;}
.cat-tags span{
  font-size:12.5px;color:#c3d0ef;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:5px 12px;
}
.cat-panel{
  min-width:0;background:rgba(255,255,255,.97);
  border-radius:var(--radius);padding:24px;
  box-shadow:0 26px 60px rgba(4,10,32,.45);
  color:var(--ink);
}
.cat-panel-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:14px;border-bottom:1px dashed var(--line);margin-bottom:8px;
}
.cat-panel-head strong{font-size:15.5px;color:var(--brand-900);}
.cat-panel-head em{font-style:normal;font-size:12px;color:var(--brand-500);background:var(--brand-100);border-radius:999px;padding:3px 10px;font-weight:700;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:#3c4763;padding:9px 0;
  border-bottom:1px solid #f0f3fa;
}
.check-list li:last-child{border-bottom:0;}
.check-list li b{
  flex:0 0 20px;width:20px;height:20px;border-radius:50%;
  background:var(--brand-100);color:var(--brand-500);
  font-size:11.5px;display:grid;place-items:center;margin-top:3px;font-weight:800;
}
.cat-panel-foot{font-size:12.5px;color:var(--ink-soft);padding-top:12px;border-top:1px dashed var(--line);}
/* ===== Section base ===== */
.section{padding:66px 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin:0 auto 40px;text-align:center;}
.section-kicker{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.2px;
  color:var(--brand-500);background:var(--brand-100);
  border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
.section-title{font-size:clamp(21px,2.4vw,28px);color:var(--brand-900);line-height:1.45;margin-bottom:12px;}
.section-sub{font-size:15px;color:var(--ink-soft);line-height:1.9;}
/* ===== Metrics ===== */
.metrics-wrap{position:relative;z-index:5;margin-top:-56px;}
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.metric-card{
  min-width:0;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 20px;
  box-shadow:var(--shadow-md);
  transition:transform .2s ease,box-shadow .2s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:0 22px 46px rgba(16,26,64,.15);}
.metric-num{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#3c2b06;
  background:linear-gradient(135deg,#f6c65f,#e6a93c);
  border-radius:10px;padding:4px 10px;margin-bottom:14px;
}
.metric-title{font-size:16px;font-weight:800;color:var(--brand-900);margin-bottom:8px;}
.metric-desc{font-size:13.5px;color:var(--ink-soft);line-height:1.8;}
.metric-tag{
  display:inline-block;margin-top:14px;font-size:12px;font-weight:700;
  color:var(--brand-500);background:var(--brand-100);border-radius:8px;padding:3px 9px;
}
/* ===== Modules ===== */
.module-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.module-card{
  min-width:0;background:var(--card);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,border-color .2s ease;
}
.module-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#c9d7f7;}
.module-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2f5ee0,#0e1b3d);color:#fff;
  font-size:15px;font-weight:800;margin-bottom:16px;
  box-shadow:0 10px 20px rgba(47,94,224,.26);
}
.module-title{font-size:17px;font-weight:800;color:var(--brand-900);margin-bottom:10px;}
.module-desc{font-size:14px;color:var(--ink-soft);line-height:1.85;margin-bottom:14px;}
.module-points li{
  position:relative;padding-left:16px;font-size:13.5px;color:#3c4763;
  line-height:1.8;margin-bottom:6px;
}
.module-points li::before{
  content:"";position:absolute;left:0;top:10px;
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}
/* ===== Compare ===== */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.compare-card{
  min-width:0;border-radius:var(--radius);padding:26px 24px;
  border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow-sm);
}
.compare-good{border-top:4px solid #2f5ee0;}
.compare-bad{border-top:4px solid #c3cbdc;}
.compare-card h3{font-size:17px;font-weight:800;color:var(--brand-900);margin-bottom:6px;}
.compare-note{font-size:13.5px;color:var(--ink-soft);margin-bottom:16px;}
.compare-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:#3c4763;line-height:1.8;
  padding:10px 0;border-bottom:1px dashed #eef1f8;
}
.compare-list li:last-child{border-bottom:0;}
.mark{
  flex:0 0 20px;width:20px;height:20px;border-radius:50%;
  display:grid;place-items:center;font-size:11.5px;font-weight:800;margin-top:3px;
}
.mark-yes{background:#e7f0ff;color:#2f5ee0;}
.mark-no{background:#f1f3f8;color:#8a94ac;}
/* ===== Path ===== */
.path-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.path-step{
  min-width:0;position:relative;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.path-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.path-num{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  font-size:14px;font-weight:800;color:var(--brand-500);
  background:var(--brand-100);margin-bottom:14px;
}
.path-step h3{font-size:16px;font-weight:800;color:var(--brand-900);margin-bottom:9px;}
.path-step p{font-size:13.5px;color:var(--ink-soft);line-height:1.85;}
/* ===== News ===== */
.news-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:32px;flex-wrap:wrap;
}
.news-head .section-head{margin:0;text-align:left;max-width:640px;}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.news-card{
  min-width:0;display:flex;flex-direction:column;gap:10px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 20px;
  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:#c9d7f7;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-soft);flex-wrap:wrap;}
.news-meta span{background:var(--brand-100);color:var(--brand-500);font-weight:700;border-radius:8px;padding:2px 9px;}
.news-title{font-size:16px;font-weight:800;color:var(--brand-900);line-height:1.6;}
.news-desc{font-size:13.5px;color:var(--ink-soft);line-height:1.8;flex:1;}
.news-more{font-size:13.5px;font-weight:700;color:var(--brand-500);}
.cms-empty{
  grid-column:1/-1;text-align:center;font-size:14px;color:var(--ink-soft);
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  padding:34px 20px;
}
/* ===== Boundary ===== */
.boundary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.boundary-card{
  min-width:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:22px 20px;
  box-shadow:var(--shadow-sm);
}
.boundary-card h3{
  font-size:15.5px;font-weight:800;color:var(--brand-900);margin-bottom:9px;
  display:flex;align-items:center;gap:8px;
}
.boundary-card h3 i{
  width:8px;height:8px;border-radius:2px;background:var(--accent);display:inline-block;flex:0 0 8px;
}
.boundary-card p{font-size:13.5px;color:var(--ink-soft);line-height:1.85;}
/* ===== Myths ===== */
.myth-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.myth-card{
  min-width:0;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);
}
.myth-wrong{
  font-size:13.5px;color:#8d4a2c;background:var(--accent-soft);
  border-radius:10px;padding:10px 13px;line-height:1.75;margin-bottom:14px;
}
.myth-wrong b{display:block;font-size:12px;letter-spacing:.6px;color:#a86f24;margin-bottom:4px;}
.myth-right{font-size:13.5px;color:#33405c;line-height:1.85;}
.myth-right b{display:block;font-size:12px;letter-spacing:.6px;color:var(--brand-500);margin-bottom:4px;}
/* ===== FAQ ===== */
.faq-list{max-width:880px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 20px;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#c9d7f7;box-shadow:0 12px 28px rgba(16,26,64,.09);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 0;
  font-size:15.5px;font-weight:700;color:var(--brand-900);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:19px;font-weight:700;color:var(--brand-500);flex:0 0 auto;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-item p{font-size:14px;color:var(--ink-soft);line-height:1.9;padding:0 0 18px;}
/* ===== Tool ===== */
.tool-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow-md);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;
  align-items:start;
}
.tool-info h2{font-size:clamp(20px,2.2vw,25px);color:var(--brand-900);margin-bottom:12px;line-height:1.45;}
.tool-info p{font-size:14.5px;color:var(--ink-soft);line-height:1.9;margin-bottom:16px;}
.tool-hints li{
  position:relative;padding-left:16px;font-size:13.5px;color:#3c4763;line-height:1.8;margin-bottom:7px;
}
.tool-hints li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--brand-500);
}
.tool-form{min-width:0;}
.tool-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:18px;}
.tool-options label{
  display:flex;align-items:center;gap:9px;min-width:0;
  font-size:13.5px;color:#33405c;background:#f7f9fe;
  border:1px solid var(--line);border-radius:11px;padding:11px 13px;
  cursor:pointer;transition:border-color .2s ease,background .2s ease;
}
.tool-options label:hover{border-color:#c9d7f7;background:#f2f6ff;}
.tool-options input{width:16px;height:16px;flex:0 0 16px;accent-color:#2f5ee0;cursor:pointer;}
.tool-options span{min-width:0;}
.tool-form .btn{width:100%;}
.tool-output{
  display:none;margin-top:16px;font-size:13.5px;color:#2b3b5e;
  background:var(--brand-100);border:1px solid #cfdcf8;border-radius:12px;
  padding:14px 16px;line-height:1.85;
}
.tool-output.is-visible{display:block;}
/* ===== Download ===== */
.download-section{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(900px 460px at 50% -120px,#3358b4 0%,#1a2751 52%,#0e1b3d 100%);
  padding:66px 0;
}
.download-section::after{
  content:"";position:absolute;right:-140px;bottom:-200px;
  width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(230,169,60,.2),transparent 66%);
  pointer-events:none;
}
.download-inner{position:relative;z-index:2;text-align:center;}
.download-inner h2{font-size:clamp(21px,2.5vw,29px);color:#fff;margin-bottom:12px;line-height:1.45;}
.download-inner p.lead{font-size:15px;color:#c8d4ef;max-width:720px;margin:0 auto;line-height:1.9;}
.download-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;
  max-width:900px;margin:34px auto 0;
}
.download-card{
  min-width:0;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);border-radius:var(--radius);
  padding:24px 20px;text-align:center;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.download-card:hover{background:rgba(255,255,255,.14);transform:translateY(-4px);border-color:rgba(255,255,255,.4);}
.download-icon{
  width:46px;height:46px;border-radius:14px;margin:0 auto 14px;
  display:grid;place-items:center;font-size:14px;font-weight:800;
  background:linear-gradient(135deg,#f6c65f,#e6a93c);color:#3c2b06;
}
.download-card h3{font-size:16px;color:#fff;margin-bottom:6px;font-weight:800;}
.download-card p{font-size:13px;color:#b9c8e8;margin-bottom:16px;line-height:1.7;}
.download-card .btn{width:100%;}
.download-note{font-size:12.5px;color:#9fb0d4;margin-top:24px;line-height:1.8;}
/* ===== Footer ===== */
.site-footer{background:#0e1b3d;color:#c9d4ee;padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .logo-name{color:#fff;}
.footer-brand .logo-sub{color:#93a4cc;}
.footer-about{font-size:14px;line-height:1.9;color:#9fb0d4;margin-top:16px;max-width:360px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700;}
.footer-col a{display:block;font-size:14px;color:#a9b8da;padding:5px 0;transition:color .2s ease;}
.footer-col a:hover{color:#fff;}
.footer-col p{font-size:13.5px;color:#94a5c9;line-height:1.8;margin-bottom:8px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:#8fa0c4;
}
/* ===== Responsive ===== */
@media (max-width:1024px){
  .nav-list{display:none;}
  .header-search{display:none;}
  .menu-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .cat-hero-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .cat-hero{padding:42px 0 88px;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .module-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .path-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .boundary-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .myth-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tool-card{grid-template-columns:minmax(0,1fr);gap:24px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .header-inner{height:66px;gap:14px;}
  .logo-sub{display:none;}
  .section{padding:48px 0;}
  .compare-grid{grid-template-columns:minmax(0,1fr);}
  .download-grid{grid-template-columns:minmax(0,1fr);max-width:420px;}
  .metrics-wrap{margin-top:-44px;}
  .cat-hero{padding:34px 0 78px;}
  .cat-hero-lead{font-size:15px;}
  .download-section{padding:52px 0;}
  .news-head{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .metric-grid{grid-template-columns:minmax(0,1fr);}
  .module-grid{grid-template-columns:minmax(0,1fr);}
  .path-grid{grid-template-columns:minmax(0,1fr);}
  .news-grid{grid-template-columns:minmax(0,1fr);}
  .boundary-grid{grid-template-columns:minmax(0,1fr);}
  .myth-grid{grid-template-columns:minmax(0,1fr);}
  .tool-options{grid-template-columns:minmax(0,1fr);}
  .tool-card{padding:22px 18px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .cat-hero-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
  .faq-item{padding:0 16px;}
}