/* roulang page: index */
:root{
  --ink:#0e1726;
  --ink-soft:#1a2a40;
  --brand:#1a4f8a;
  --brand-deep:#0d2f52;
  --brand-light:#e8f0f9;
  --accent:#c9932f;
  --accent-soft:#f8efdc;
  --body:#4a586c;
  --muted:#7c8899;
  --line:#e2e8f0;
  --bg:#f4f7fa;
  --white:#ffffff;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:22px;
  --shadow-sm:0 2px 10px rgba(14,23,38,.06);
  --shadow:0 10px 30px rgba(14,23,38,.08);
  --shadow-lg:0 22px 56px rgba(14,23,38,.16);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.35;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.site-container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(14,23,38,.05);
}
.header-inner{
  position:relative;
  display:flex;align-items:center;gap:26px;
  min-height:74px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(145deg,var(--brand),var(--brand-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;box-shadow:0 6px 16px rgba(26,79,138,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:19px;color:var(--ink);letter-spacing:.5px;}
.brand-text small{font-size:11.5px;color:var(--muted);letter-spacing:1.6px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.main-nav a{
  display:inline-block;padding:9px 14px;border-radius:9px;
  font-size:15px;color:var(--ink-soft);font-weight:500;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.main-nav a:hover{background:var(--brand-light);color:var(--brand);}
.main-nav a.active{background:var(--brand-light);color:var(--brand);font-weight:700;}
.header-actions{display:flex;align-items:center;gap:10px;}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:11px;
  background:linear-gradient(135deg,#1a4f8a,#0d2f52);
  color:#fff;font-size:14.5px;font-weight:600;white-space:nowrap;
  box-shadow:0 8px 20px rgba(26,79,138,.26);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(26,79,138,.34);filter:brightness(1.06);}
.btn-cta:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:17px;cursor:pointer;
}
.nav-toggle:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}

/* ============ hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1000px 460px at 78% -10%, rgba(201,147,47,.20), transparent 62%),
    radial-gradient(760px 420px at 6% 8%, rgba(48,110,180,.32), transparent 66%),
    linear-gradient(160deg,#0d2f52 0%,#123a63 52%,#0e1726 100%);
  color:#dbe6f2;
  padding:70px 0 76px;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background:linear-gradient(180deg,rgba(14,23,38,0),rgba(14,23,38,.35));
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:52px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  color:#e7d9b8;font-size:13px;letter-spacing:.6px;
}
.hero h1{
  margin:22px 0 20px;
  font-size:clamp(1.72rem,3.2vw,2.72rem);
  line-height:1.34;color:#fff;letter-spacing:.4px;font-weight:800;
}
.hero h1 em{font-style:normal;color:#f0c978;}
.hero-lead{font-size:16.5px;line-height:1.95;color:#c3d2e4;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.btn-solid{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:12px;
  background:linear-gradient(135deg,#d9a745,#b8801f);
  color:#1a1205;font-weight:700;font-size:15px;
  box-shadow:0 12px 26px rgba(201,147,47,.30);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-solid:hover{color:#1a1205;transform:translateY(-2px);box-shadow:0 16px 32px rgba(201,147,47,.42);}
.btn-solid:focus-visible{outline:3px solid #fff;outline-offset:3px;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;border-radius:12px;
  border:1px solid rgba(255,255,255,.36);
  color:#eaf1f9;font-weight:600;font-size:15px;background:rgba(255,255,255,.06);
  transition:background .2s ease,border-color .2s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.6);color:#fff;}
.btn-ghost:focus-visible{outline:3px solid #f0c978;outline-offset:3px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  color:#cfdcea;font-size:13.5px;
}
.hero-points i{color:#f0c978;font-size:12px;}

.hero-panel{
  width:100%;max-width:404px;margin-left:auto;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-lg);
  padding:22px;
  box-shadow:var(--shadow-lg);
  backdrop-filter:blur(6px);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.panel-tag{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:#f0c978;letter-spacing:.6px;}
.panel-tag .dot{width:7px;height:7px;border-radius:50%;background:#f0c978;box-shadow:0 0 0 4px rgba(240,201,120,.18);}
.panel-title{color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.panel-steps{display:flex;flex-direction:column;gap:12px;}
.panel-steps li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 14px;border-radius:13px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.10);
  transition:background .2s ease,transform .2s ease;
}
.panel-steps li:hover{background:rgba(255,255,255,.13);transform:translateX(3px);}
.panel-steps .num{
  flex:0 0 26px;height:26px;border-radius:8px;
  background:linear-gradient(135deg,#d9a745,#b8801f);color:#20160a;
  font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.panel-steps .txt{min-width:0;}
.panel-steps strong{display:block;color:#fff;font-size:14.5px;margin-bottom:2px;}
.panel-steps span{display:block;color:#b9c9da;font-size:12.5px;line-height:1.6;}
.panel-foot{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:10px;}
.panel-foot a{color:#f0c978;font-size:13.5px;font-weight:600;}
.panel-foot a:hover{color:#fff;}

/* ============ sections ============ */
.section{padding:70px 0;}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--tint{background:linear-gradient(180deg,#f7f9fc,#eef3f9);}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head--split{
  max-width:none;display:flex;align-items:flex-end;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
}
.section-head--split .sh-text{max-width:680px;}
.tag-label{
  display:inline-block;padding:5px 13px;border-radius:999px;
  background:var(--accent-soft);color:#8d6413;
  font-size:12.5px;font-weight:700;letter-spacing:.8px;margin-bottom:14px;
}
.section-title{font-size:clamp(1.35rem,2.3vw,1.85rem);letter-spacing:.3px;}
.section-sub{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--body);}
.link-more{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14.5px;font-weight:700;color:var(--brand);
  padding:9px 16px;border-radius:10px;border:1px solid var(--line);background:#fff;
  transition:all .2s ease;white-space:nowrap;
}
.link-more:hover{border-color:var(--brand);background:var(--brand-light);color:var(--brand-deep);}
.link-more:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}

/* cards */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.card-grid--four{grid-template-columns:repeat(4,minmax(0,1fr));}
.info-card{
  min-width:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cddcec;}
.info-card .ico{
  width:46px;height:46px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand);font-size:19px;margin-bottom:16px;
}
.info-card h3{font-size:16.5px;margin-bottom:9px;}
.info-card p{font-size:14.5px;line-height:1.85;color:var(--body);}
.info-card .card-tip{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);
}

/* metric strip */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.metric-item{background:#fff;padding:26px 22px;min-width:0;}
.metric-item i{color:var(--accent);font-size:17px;margin-bottom:10px;display:block;}
.metric-item strong{display:block;color:var(--ink);font-size:15.5px;margin-bottom:6px;}
.metric-item span{font-size:13.5px;color:var(--muted);line-height:1.7;display:block;}

/* flow */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.flow-item{
  position:relative;min-width:0;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px 24px;box-shadow:var(--shadow-sm);
  transition:box-shadow .22s ease,transform .22s ease;
}
.flow-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.flow-item .step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#1a4f8a,#0d2f52);color:#fff;
  font-size:14px;font-weight:800;margin-bottom:14px;
}
.flow-item h3{font-size:16px;margin-bottom:9px;}
.flow-item p{font-size:14px;line-height:1.85;color:var(--body);}

/* news cards */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.news-card{
  min-width:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cddcec;}
.news-card .meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:12px;flex-wrap:wrap;}
.news-card .meta .cat{
  padding:3px 10px;border-radius:999px;background:var(--brand-light);color:var(--brand);font-weight:600;
}
.news-card h3{font-size:16px;line-height:1.6;margin-bottom:10px;}
.news-card h3 a{color:var(--ink);}
.news-card h3 a:hover{color:var(--brand);}
.news-card p{font-size:14px;line-height:1.85;color:var(--body);flex:1 1 auto;}
.news-card .read{
  margin-top:16px;font-size:13.5px;font-weight:700;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
}
.empty-note{
  padding:34px;border:1px dashed var(--line);border-radius:var(--radius);
  background:#fff;text-align:center;color:var(--muted);font-size:14.5px;
}

/* scenes */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.scene-item{
  min-width:0;display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.scene-item:hover{border-color:#c6d8ea;box-shadow:var(--shadow);}
.scene-item .ico{
  flex:0 0 44px;height:44px;border-radius:12px;
  background:var(--accent-soft);color:#9a6f18;
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.scene-item h3{font-size:15.5px;margin-bottom:7px;}
.scene-item p{font-size:14px;line-height:1.8;color:var(--body);}

/* myths */
.myth-list{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:16px;}
.myth-item{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent);
  border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm);
  min-width:0;
}
.myth-item h3{font-size:15.5px;margin-bottom:8px;color:var(--ink);}
.myth-item h3 span{color:#b8801f;}
.myth-item p{font-size:14.5px;line-height:1.85;color:var(--body);}

/* download */
.download-panel{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:36px;align-items:center;
  background:linear-gradient(150deg,#0d2f52,#123a63 60%,#1a4f8a);
  border-radius:var(--radius-lg);
  padding:44px 42px;color:#dbe6f2;
  box-shadow:var(--shadow-lg);
  position:relative;overflow:hidden;
}
.download-panel::before{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(240,201,120,.28),transparent 68%);
}
.dl-copy{position:relative;z-index:2;min-width:0;}
.dl-copy h2{color:#fff;font-size:clamp(1.3rem,2.2vw,1.72rem);margin-bottom:14px;}
.dl-copy p{font-size:14.8px;line-height:1.9;color:#c3d2e4;max-width:460px;}
.dl-actions{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;}
.dl-btn{
  min-width:0;display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:18px 10px;border-radius:14px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:13.5px;font-weight:600;text-align:center;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.dl-btn i{font-size:21px;color:#f0c978;}
.dl-btn:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.5);color:#fff;transform:translateY(-3px);}
.dl-btn:focus-visible{outline:3px solid #f0c978;outline-offset:3px;}

/* topics */
.topic-cloud{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.topic-cloud a{
  padding:10px 18px;border-radius:999px;background:#fff;
  border:1px solid var(--line);color:var(--ink-soft);font-size:14px;font-weight:500;
  transition:all .2s ease;
}
.topic-cloud a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light);}
.topic-cloud a:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}

/* latest layout */
.latest-layout{display:grid;grid-template-columns:minmax(0,1.62fr) minmax(0,1fr);gap:32px;align-items:start;}
.post-list{display:flex;flex-direction:column;gap:14px;}
.post-row{
  display:block;min-width:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 24px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.post-row:hover{border-color:#c6d8ea;box-shadow:var(--shadow);transform:translateY(-2px);}
.post-row .meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:8px;flex-wrap:wrap;}
.post-row .meta .cat{padding:3px 10px;border-radius:999px;background:var(--accent-soft);color:#8d6413;font-weight:600;}
.post-row h3{font-size:16.5px;line-height:1.6;margin-bottom:8px;color:var(--ink);}
.post-row p{font-size:14px;line-height:1.85;color:var(--body);}
.side-stack{display:flex;flex-direction:column;gap:18px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
}
.side-card h3{font-size:15.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--accent);}
.side-card ul li{padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;}
.side-card ul li:last-child{border-bottom:0;padding-bottom:0;}
.side-card ul li a{color:var(--ink-soft);display:flex;gap:9px;align-items:flex-start;}
.side-card ul li a:hover{color:var(--brand);}
.side-card ul li i{color:var(--brand);font-size:11px;margin-top:7px;}
.side-note{background:var(--brand-light);border:1px solid #cfe0f2;border-radius:var(--radius);padding:24px;}
.side-note h3{font-size:15.5px;margin-bottom:10px;color:var(--brand-deep);}
.side-note p{font-size:13.8px;line-height:1.85;color:#3d5c7c;}

/* faq */
.faq-list{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:14px;max-width:920px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:0;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#c6d8ea;box-shadow:var(--shadow-sm);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:19px 52px 19px 24px;
  font-size:15.5px;font-weight:700;color:var(--ink);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:12px;color:var(--brand);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);}
.faq-item summary:focus-visible{outline:3px solid var(--accent);outline-offset:-3px;}
.faq-body{padding:0 24px 22px;font-size:14.5px;line-height:1.9;color:var(--body);}

/* closing */
.closing{
  background:linear-gradient(140deg,#101d2e,#17324f 62%,#1a4f8a);
  border-radius:var(--radius-lg);
  padding:46px 42px;color:#dbe6f2;
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);
  gap:32px;align-items:center;box-shadow:var(--shadow-lg);
}
.closing h2{color:#fff;font-size:clamp(1.25rem,2.1vw,1.62rem);margin-bottom:14px;}
.closing p{font-size:14.6px;line-height:1.95;color:#bccddf;}
.closing .risk-note{
  margin-top:18px;font-size:13.2px;color:#9fb4c9;
  border-left:3px solid var(--accent);padding-left:14px;line-height:1.8;
}
.closing-actions{display:flex;flex-direction:column;gap:12px;}
.closing-actions a{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 20px;border-radius:12px;font-weight:700;font-size:14.5px;
  transition:transform .2s ease,background .2s ease;
}
.closing-actions .primary{background:linear-gradient(135deg,#d9a745,#b8801f);color:#1a1205;box-shadow:0 12px 26px rgba(201,147,47,.3);}
.closing-actions .primary:hover{color:#1a1205;transform:translateY(-2px);}
.closing-actions .ghost{border:1px solid rgba(255,255,255,.35);color:#e8f0f9;}
.closing-actions .ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.closing-actions a:focus-visible{outline:3px solid #f0c978;outline-offset:3px;}

/* footer */
.site-footer{background:#0c1624;color:#9fb0c4;padding:58px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr);gap:36px;}
.footer-brand{min-width:0;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text small{color:#7d90a6;}
.footer-brand p{margin-top:16px;font-size:13.8px;line-height:1.9;color:#8fa2b7;max-width:400px;}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:16px;letter-spacing:.5px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{color:#9fb0c4;font-size:13.8px;}
.footer-col ul li a:hover{color:#f0c978;}
.friend-links{
  margin-top:40px;padding-top:26px;border-top:1px solid rgba(255,255,255,.1);
}
.friend-links .fl-title{display:block;color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;}
.fl-list{display:flex;flex-wrap:wrap;gap:10px 14px;}
.fl-list a{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);
  color:#a9bbcf;font-size:13px;
  transition:all .2s ease;
}
.fl-list a:hover{color:#f0c978;border-color:rgba(240,201,120,.5);background:rgba(240,201,120,.09);}
.footer-bottom{
  margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.8px;color:#728498;
}
.footer-bottom a{color:#8fa2b7;}
.footer-bottom a:hover{color:#f0c978;}

/* ============ responsive ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:38px;}
  .hero-panel{max-width:100%;margin-left:0;}
  .card-grid,.card-grid--four,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .latest-layout{grid-template-columns:minmax(0,1fr);}
  .download-panel{grid-template-columns:minmax(0,1fr);padding:36px 30px;gap:26px;}
  .closing{grid-template-columns:minmax(0,1fr);padding:38px 30px;}
  .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
}
@media (max-width:992px){
  .main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:14px 24px 20px;box-shadow:0 18px 32px rgba(14,23,38,.12);
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{padding:12px 14px;font-size:15px;}
  .nav-toggle{display:inline-flex;}
  .header-inner{gap:14px;}
  .brand-text strong{font-size:17px;}
  .btn-cta{padding:10px 15px;font-size:13.5px;}
}
@media (max-width:768px){
  .hero{padding:52px 0 58px;}
  .section{padding:52px 0;}
  .scene-grid{grid-template-columns:minmax(0,1fr);}
  .dl-actions{grid-template-columns:repeat(3,minmax(0,1fr));}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .section-head--split{align-items:flex-start;}
}
@media (max-width:640px){
  .card-grid,.card-grid--four,.news-grid{grid-template-columns:minmax(0,1fr);}
  .metric-strip{grid-template-columns:minmax(0,1fr);}
  .flow-grid{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:520px){
  .site-container{padding:0 16px;}
  .hero h1{font-size:1.58rem;}
  .hero-lead{font-size:15px;}
  .btn-solid,.btn-ghost{padding:12px 18px;font-size:14px;width:100%;justify-content:center;}
  .hero-actions{gap:10px;}
  .dl-actions{grid-template-columns:minmax(0,1fr);}
  .download-panel,.closing{padding:28px 20px;}
  .info-card,.news-card,.post-row,.scene-item{padding:20px 18px;}
  .brand-text small{display:none;}
  .btn-cta span{display:none;}
  .btn-cta{padding:11px 13px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --ink:#0e1726;
  --ink-soft:#1a2a40;
  --brand:#1a4f8a;
  --brand-deep:#0d2f52;
  --brand-light:#e8f0f9;
  --accent:#c9932f;
  --accent-soft:#f8efdc;
  --body:#4a586c;
  --muted:#7c8899;
  --line:#e2e8f0;
  --bg:#f4f7fa;
  --white:#ffffff;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:22px;
  --shadow-sm:0 2px 10px rgba(14,23,38,.06);
  --shadow:0 10px 30px rgba(14,23,38,.08);
  --shadow-lg:0 22px 56px rgba(14,23,38,.16);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
.site-container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(14,23,38,.05);
}
.header-inner{
  position:relative;
  display:flex;align-items:center;gap:26px;
  min-height:74px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(145deg,var(--brand),var(--brand-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;box-shadow:0 6px 16px rgba(26,79,138,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:19px;color:var(--ink);letter-spacing:.5px;}
.brand-text small{font-size:11.5px;color:var(--muted);letter-spacing:1.6px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.main-nav a{
  display:inline-block;padding:9px 14px;border-radius:9px;
  font-size:15px;color:var(--ink-soft);font-weight:500;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.main-nav a:hover{background:var(--brand-light);color:var(--brand);}
.main-nav a.active{background:var(--brand-light);color:var(--brand);font-weight:700;}
.header-actions{display:flex;align-items:center;gap:10px;}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:11px;
  background:linear-gradient(135deg,#1a4f8a,#0d2f52);
  color:#fff;font-size:14.5px;font-weight:600;white-space:nowrap;
  box-shadow:0 8px 20px rgba(26,79,138,.26);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(26,79,138,.34);filter:brightness(1.06);}
.btn-cta:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:17px;cursor:pointer;
}
.nav-toggle:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
/* ============ 文章头部 ============ */
.article-hero{
  position:relative;overflow:hidden;
  padding:32px 0 58px;
  color:#cfdcea;
  background:
    radial-gradient(900px 420px at 82% -18%, rgba(201,147,47,.24), transparent 62%),
    radial-gradient(720px 400px at 2% 0%, rgba(48,110,180,.34), transparent 66%),
    linear-gradient(155deg,#0d2f52 0%,#123a63 58%,#0e1726 100%);
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:90px;
  background:linear-gradient(180deg,rgba(14,23,38,0),rgba(14,23,38,.32));
  pointer-events:none;
}
.article-hero .site-container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#93aac4;}
.crumbs a{color:#c6d7e9;}
.crumbs a:hover{color:#f0c978;}
.crumbs .sep{color:#5f7793;}
.article-hero h1{
  margin:18px 0 18px;
  color:#fff;font-weight:800;letter-spacing:.3px;
  font-size:clamp(1.48rem,2.6vw,2.24rem);
  line-height:1.44;
  overflow-wrap:break-word;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.meta-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  font-size:13px;color:#dbe6f2;
}
.meta-chip i{color:#f0c978;font-size:12px;}
/* ============ 主体布局 ============ */
.article-main{padding:46px 0 20px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 330px;
  gap:34px;align-items:start;
}
.post-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:clamp(20px,3vw,42px);
  min-width:0;
}
.prose{
  font-size:16.5px;line-height:1.95;color:#3c4a5e;
  min-width:0;overflow-wrap:break-word;
}
.prose>*:first-child{margin-top:0;}
.prose h2{
  font-size:1.32rem;color:var(--ink);font-weight:800;line-height:1.55;
  margin:34px 0 14px;padding-left:13px;border-left:4px solid var(--accent);
}
.prose h3{font-size:1.1rem;color:var(--ink-soft);font-weight:700;margin:26px 0 12px;}
.prose h4{font-size:1rem;color:var(--ink-soft);font-weight:700;margin:20px 0 10px;}
.prose p{margin:0 0 16px;}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px;}
.prose li{margin-bottom:8px;}
.prose blockquote{
  margin:24px 0;padding:18px 22px;
  background:var(--accent-soft);
  border-left:4px solid var(--accent);
  border-radius:var(--radius-sm);
  color:#5c4720;font-size:16px;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose a{text-decoration:underline;}
.prose img{border-radius:var(--radius-sm);margin:18px 0;height:auto;}
.prose table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:15px;}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;}
.prose th{background:var(--brand-light);color:var(--ink);font-weight:700;}
.prose hr{border:0;border-top:1px solid var(--line);margin:28px 0;}
.notice-bar{
  display:flex;gap:12px;align-items:flex-start;
  margin:30px 0 0;padding:16px 18px;
  background:var(--brand-light);
  border-radius:var(--radius-sm);
  border-left:3px solid var(--brand);
  font-size:14.5px;color:#2c4460;line-height:1.85;
}
.notice-bar i{color:var(--brand);margin-top:4px;}
.empty-state{text-align:center;padding:40px 10px 20px;}
.empty-state i{font-size:38px;color:var(--muted);}
.empty-state h2{font-size:1.25rem;color:var(--ink);margin:16px 0 10px;font-weight:800;}
.empty-state p{color:var(--body);font-size:15px;margin:0 0 22px;}
.btn-solid{
  display:inline-flex;align-items:center;gap:9px;
  padding:12px 26px;border-radius:12px;
  background:linear-gradient(135deg,#d9a745,#b8801f);
  color:#1a1205;font-weight:700;font-size:15px;
  box-shadow:0 12px 26px rgba(201,147,47,.28);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-solid:hover{color:#1a1205;transform:translateY(-2px);box-shadow:0 16px 32px rgba(201,147,47,.4);}
.btn-solid:focus-visible{outline:3px solid var(--brand);outline-offset:3px;}
/* ============ 侧栏 ============ */
.side-stack{display:grid;gap:20px;min-width:0;}
.side-card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
  padding:22px;min-width:0;
}
.side-card h3{
  font-size:15.5px;color:var(--ink);font-weight:800;
  margin:0 0 14px;display:flex;align-items:center;gap:8px;
}
.side-card h3 i{color:var(--accent);font-size:14px;}
.side-list{list-style:none;margin:0;padding:0;display:grid;gap:11px;font-size:14.5px;color:var(--body);}
.side-list li{display:flex;gap:9px;align-items:flex-start;line-height:1.75;min-width:0;}
.side-list li i{color:var(--brand);margin-top:5px;font-size:11px;flex-shrink:0;}
.side-link{
  display:inline-flex;align-items:center;gap:7px;
  margin-top:14px;font-size:14px;font-weight:600;color:var(--brand);
}
.side-link:hover{color:var(--brand-deep);}
.dl-card{
  background:linear-gradient(150deg,#123a63,#0d2f52);
  border:1px solid rgba(255,255,255,.10);
  color:#cfdcea;
}
.dl-card h3{color:#fff;}
.dl-card p{font-size:13.5px;color:#a9c0d6;margin:0 0 16px;line-height:1.8;}
.dl-btns{display:grid;gap:10px;}
.btn-dl{
  display:flex;align-items:center;gap:10px;
  padding:12px 15px;border-radius:11px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  color:#eaf2fa;font-size:14px;font-weight:600;
  transition:background .2s ease,transform .2s ease,color .2s ease;
}
.btn-dl:hover{background:rgba(255,255,255,.20);color:#fff;transform:translateY(-1px);}
.btn-dl:focus-visible{outline:3px solid #f0c978;outline-offset:2px;}
.btn-dl i{color:#f0c978;font-size:15px;}
.btn-dl .dl-sub{margin-left:auto;font-size:12px;color:#9db4cb;font-weight:400;}
/* ============ 通用 section ============ */
.section{padding:54px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:30px;}
.section-head .kicker{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2px;
  color:var(--brand);text-transform:uppercase;
}
.section-head h2{
  font-size:clamp(1.28rem,2.1vw,1.72rem);
  color:var(--ink);font-weight:800;margin:10px 0 10px;line-height:1.45;
}
.section-head p{margin:0;font-size:15.5px;color:var(--body);line-height:1.85;}
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.flow-step{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;min-width:0;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cddced;}
.flow-step .num{
  width:36px;height:36px;border-radius:10px;
  background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;
}
.flow-step h3{font-size:15.5px;color:var(--ink);font-weight:700;margin:14px 0 8px;}
.flow-step p{font-size:14px;color:var(--body);margin:0;line-height:1.8;}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.check-card{
  background:#fff;border:1px solid var(--line);
  border-left:3px solid var(--accent);
  border-radius:var(--radius-sm);
  padding:20px 22px;min-width:0;
  box-shadow:var(--shadow-sm);
}
.check-card h3{
  font-size:15.5px;color:var(--ink);font-weight:700;
  margin:0 0 10px;display:flex;align-items:center;gap:9px;
}
.check-card h3 i{color:var(--accent);font-size:14px;}
.check-card p{font-size:14.5px;color:var(--body);margin:0;line-height:1.85;}
/* ============ 下载区 ============ */
.download-section{
  position:relative;overflow:hidden;
  padding:58px 0;
  color:#dbe6f2;
  background:
    radial-gradient(860px 380px at 84% -30%, rgba(201,147,47,.22), transparent 62%),
    linear-gradient(158deg,#0d2f52 0%,#123a63 56%,#0e1726 100%);
}
.download-section .section-head h2{color:#fff;}
.download-section .section-head p{color:#b3c6d9;}
.download-section .kicker{color:#f0c978;}
.download-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.dl-tile{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);padding:26px 22px;
  text-align:center;min-width:0;
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.dl-tile:hover{transform:translateY(-4px);background:rgba(255,255,255,.12);border-color:rgba(240,201,120,.5);}
.dl-tile>i{font-size:26px;color:#f0c978;}
.dl-tile h3{font-size:17px;color:#fff;font-weight:700;margin:14px 0 6px;}
.dl-tile p{font-size:13.5px;color:#a9c0d6;margin:0 0 18px;line-height:1.75;}
.dl-tile .dl-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 22px;border-radius:10px;
  background:linear-gradient(135deg,#f0c978,#d5a544);
  color:#1a1205;font-weight:700;font-size:14px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.dl-tile .dl-link:hover{color:#1a1205;transform:translateY(-2px);box-shadow:0 12px 24px rgba(240,201,120,.3);}
.dl-tile .dl-link:focus-visible{outline:3px solid #fff;outline-offset:3px;}
.dl-note{
  margin:26px 0 0;text-align:center;
  font-size:13.5px;color:#9db4cb;line-height:1.85;
}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 20px;font-size:15.5px;font-weight:700;color:var(--ink);
  transition:color .2s ease,background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);background:#f8fbfe;}
.faq-item summary:focus-visible{outline:3px solid var(--accent);outline-offset:-3px;}
.faq-item summary .chev{color:var(--muted);font-size:13px;transition:transform .2s ease;}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary .chev{transform:rotate(180deg);}
.faq-body{padding:0 20px 18px;font-size:14.5px;color:var(--body);line-height:1.9;}
.faq-body p{margin:0 0 10px;}
.faq-body p:last-child{margin-bottom:0;}
/* ============ footer ============ */
.site-footer{
  background:linear-gradient(180deg,#0d2f52,#0a1b2e);
  color:#b9c9db;padding:56px 0 26px;margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) repeat(2,minmax(0,1fr));
  gap:36px;
}
.footer-brand p{
  font-size:14px;line-height:1.9;color:#9fb2c7;
  margin:14px 0 0;max-width:420px;
}
.site-footer .brand-text strong{color:#fff;}
.site-footer .brand-text small{color:#8ea6bd;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 14px;letter-spacing:.4px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-col a{color:#a8bccf;font-size:14px;}
.footer-col a:hover{color:#f0c978;}
.friend-links{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  margin-top:34px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.10);
  font-size:13.5px;
}
.fl-title{color:#f0c978;font-weight:700;}
.fl-list{display:flex;flex-wrap:wrap;gap:8px 16px;}
.fl-list a{color:#a8bccf;font-size:13.5px;}
.fl-list a:hover{color:#f0c978;}
.fl-list:empty{display:none;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;
  margin-top:20px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:#8299ae;line-height:1.8;
}
/* ============ 响应式 ============ */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);}
}
@media (max-width:991px){
  .header-inner{gap:14px;}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;
    margin-left:0;gap:2px;
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 14px 26px rgba(14,23,38,.12);
    padding:10px 16px 16px;
    display:none;
  }
  .main-nav.open{display:flex;}
  .main-nav a{padding:11px 12px;font-size:15px;}
  .nav-toggle{display:inline-flex;}
  .header-actions{margin-left:auto;}
}
@media (max-width:768px){
  .article-hero{padding:26px 0 46px;}
  .section{padding:44px 0;}
  .download-section{padding:46px 0;}
  .download-grid{grid-template-columns:minmax(0,1fr);}
  .check-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-bottom{flex-direction:column;}
  .btn-cta span{display:none;}
  .btn-cta{padding:11px 14px;}
}
@media (max-width:520px){
  .site-container{padding:0 16px;}
  .flow-grid{grid-template-columns:minmax(0,1fr);}
  .article-main{padding:32px 0 12px;}
  .prose{font-size:16px;}
  .brand-text strong{font-size:17px;}
  .brand-text small{font-size:10.5px;letter-spacing:1.2px;}
}

/* roulang page: category1 */
:root{
  --ink:#0e1726;
  --ink-soft:#1a2a40;
  --brand:#1a4f8a;
  --brand-deep:#0d2f52;
  --brand-light:#e8f0f9;
  --accent:#c9932f;
  --accent-soft:#f8efdc;
  --body:#4a586c;
  --muted:#7c8899;
  --line:#e2e8f0;
  --bg:#f4f7fa;
  --white:#ffffff;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:22px;
  --shadow-sm:0 2px 10px rgba(14,23,38,.06);
  --shadow:0 10px 30px rgba(14,23,38,.08);
  --shadow-lg:0 22px 56px rgba(14,23,38,.16);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.4;}
p{margin:0 0 14px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.site-container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(14,23,38,.05);
}
.header-inner{
  position:relative;
  display:flex;align-items:center;gap:26px;
  min-height:74px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(145deg,var(--brand),var(--brand-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;box-shadow:0 6px 16px rgba(26,79,138,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:19px;color:var(--ink);letter-spacing:.5px;}
.brand-text small{font-size:11.5px;color:var(--muted);letter-spacing:1.6px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.main-nav a{
  display:inline-block;padding:9px 14px;border-radius:9px;
  font-size:15px;color:var(--ink-soft);font-weight:500;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.main-nav a:hover{background:var(--brand-light);color:var(--brand);}
.main-nav a.active{background:var(--brand-light);color:var(--brand);font-weight:700;}
.header-actions{display:flex;align-items:center;gap:10px;}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:11px;
  background:linear-gradient(135deg,#1a4f8a,#0d2f52);
  color:#fff;font-size:14.5px;font-weight:600;white-space:nowrap;
  box-shadow:0 8px 20px rgba(26,79,138,.26);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(26,79,138,.34);filter:brightness(1.06);}
.btn-cta:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:17px;cursor:pointer;
}
.nav-toggle:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}

/* ============ 分类首屏 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:44px 0 62px;
  color:#dbe6f2;
  background:
    radial-gradient(900px 420px at 82% -12%, rgba(201,147,47,.20), transparent 62%),
    radial-gradient(720px 400px at 4% 6%, rgba(48,110,180,.30), transparent 66%),
    linear-gradient(160deg,#0d2f52 0%,#123a63 54%,#0e1726 100%);
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:110px;
  background:linear-gradient(180deg,rgba(14,23,38,0),rgba(14,23,38,.32));
  pointer-events:none;
}
.crumb{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:#9fb3c9;margin-bottom:22px;
}
.crumb a{color:#cfdcea;}
.crumb a:hover{color:#fff;}
.crumb i{font-size:10px;opacity:.7;}
.page-hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.22fr) minmax(0,.78fr);
  gap:46px;align-items:start;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  color:#e7d9b8;font-size:13px;letter-spacing:.6px;
}
.page-hero h1{
  margin:20px 0 18px;
  font-size:clamp(1.6rem,2.9vw,2.35rem);
  line-height:1.38;color:#fff;letter-spacing:.3px;font-weight:800;
}
.page-hero h1 em{font-style:normal;color:#f0c978;}
.page-hero .lead{font-size:16px;line-height:1.95;color:#c3d2e4;max-width:660px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:#cfdcea;font-size:13.5px;
}
.hero-tags i{color:#f0c978;font-size:11px;}
.read-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow-lg);
  backdrop-filter:blur(6px);
}
.read-card h2{
  color:#fff;font-size:16.5px;font-weight:700;
  display:flex;align-items:center;gap:9px;margin-bottom:6px;
}
.read-card h2 i{color:#f0c978;font-size:15px;}
.read-card .rc-sub{font-size:13px;color:#9fb3c9;margin-bottom:14px;}
.read-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;font-size:14px;color:#cfdcea;
  border-bottom:1px dashed rgba(255,255,255,.14);
}
.read-list li:last-child{border-bottom:0;padding-bottom:0;}
.read-list i{color:#f0c978;font-size:12px;margin-top:6px;flex-shrink:0;}

/* ============ 通用板块 ============ */
.section{padding:62px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:36px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;color:var(--brand);letter-spacing:1.4px;
}
.section-kicker::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px;}
.section-title{font-size:clamp(1.36rem,2.1vw,1.82rem);margin:10px 0 12px;}
.section-sub{font-size:15.5px;color:var(--body);margin:0;}
.lead-text{font-size:16px;line-height:1.95;color:var(--body);}
.note-box{
  margin-top:26px;padding:18px 22px;border-radius:var(--radius-sm);
  background:var(--accent-soft);border-left:4px solid var(--accent);
  font-size:14.5px;color:#6b5320;
}

/* ============ 网格与卡片 ============ */
.grid{display:grid;gap:22px;}
.grid > *{min-width:0;}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.card{
  height:100%;min-width:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0f2;}
.card-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand);font-size:17px;margin-bottom:14px;
}
.card h3{font-size:16.5px;margin-bottom:8px;}
.card p{font-size:14.5px;color:var(--body);margin:0;}

/* ============ 费用条目 ============ */
.spec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.spec-grid > *{min-width:0;}
.spec{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent);
  border-radius:var(--radius-sm);padding:18px 20px;
  box-shadow:var(--shadow-sm);
}
.spec h3{font-size:16px;margin-bottom:6px;}
.spec p{margin:0;font-size:14.5px;color:var(--body);}

/* ============ 流程 ============ */
.flow-list{display:grid;gap:16px;}
.flow-item{
  display:grid;grid-template-columns:56px minmax(0,1fr);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:border-color .22s ease,box-shadow .22s ease;
}
.flow-item:hover{border-color:#cfe0f2;box-shadow:var(--shadow);}
.flow-num{
  width:48px;height:48px;border-radius:14px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;letter-spacing:.5px;
}
.flow-item h3{font-size:16.5px;margin-bottom:6px;}
.flow-item p{margin:0;font-size:14.5px;}

/* ============ 核对清单 ============ */
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 28px;}
.check-list li{
  position:relative;padding-left:30px;font-size:15px;color:var(--body);
}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:3px;color:var(--accent);font-size:13px;
}

/* ============ 误区 ============ */
.warn-card{
  height:100%;min-width:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);
  display:flex;gap:14px;align-items:flex-start;
}
.warn-card .warn-icon{
  flex-shrink:0;width:38px;height:38px;border-radius:11px;
  background:#fdf1e5;color:#b5651d;display:flex;align-items:center;justify-content:center;font-size:15px;
}
.warn-card h3{font-size:16px;margin-bottom:6px;}
.warn-card p{margin:0;font-size:14.5px;}

/* ============ 资讯列表 ============ */
.news-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.news-list > *{min-width:0;}
.news-card{
  display:flex;flex-direction:column;gap:12px;min-width:0;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0f2;}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);}
.news-cat{
  display:inline-block;padding:3px 10px;border-radius:999px;
  background:var(--brand-light);color:var(--brand);font-weight:600;
}
.news-card h3{font-size:16px;line-height:1.6;}
.news-card h3 a{color:var(--ink);}
.news-card h3 a:hover{color:var(--brand);}
.news-card p{
  margin:0;font-size:14px;color:var(--body);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:32px;text-align:center;}
.news-empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  padding:28px;text-align:center;color:var(--muted);font-size:14.5px;
}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 24px;border-radius:11px;
  border:1px solid var(--brand);color:var(--brand);background:#fff;
  font-weight:700;font-size:14.5px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-line:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-line:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}

/* ============ 下载 ============ */
.download-band{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:32px;align-items:center;
  padding:38px;border-radius:var(--radius-lg);
  background:linear-gradient(150deg,#0d2f52 0%,#123a63 58%,#0e1726 100%);
  box-shadow:var(--shadow-lg);
  color:#dbe6f2;
}
.download-band h2{color:#fff;font-size:clamp(1.24rem,1.9vw,1.55rem);margin-bottom:10px;}
.download-band p{font-size:14.5px;color:#c3d2e4;margin:0;}
.dl-buttons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.dl-btn{
  display:flex;flex-direction:column;align-items:center;gap:7px;
  padding:18px 10px;border-radius:14px;text-align:center;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:14px;font-weight:600;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.dl-btn i{font-size:20px;color:#f0c978;}
.dl-btn:hover{background:rgba(255,255,255,.20);color:#fff;transform:translateY(-3px);border-color:rgba(255,255,255,.42);}
.dl-btn:focus-visible{outline:3px solid #f0c978;outline-offset:3px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.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:hover{border-color:#cfe0f2;box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 36px 18px 0;font-size:15.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-size:21px;font-weight:400;color:var(--brand);line-height:1;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-item p{margin:0 0 18px;font-size:14.8px;color:var(--body);}

/* ============ CTA ============ */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  padding:32px 34px;border-radius:var(--radius-lg);
  background:var(--accent-soft);border:1px solid #ecdcb8;
}
.cta-band h2{font-size:clamp(1.15rem,1.8vw,1.42rem);margin-bottom:8px;}
.cta-band p{margin:0;font-size:14.5px;color:#6b5320;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.btn-solid{
  display:inline-flex;align-items:center;gap:9px;
  padding:12px 24px;border-radius:12px;
  background:linear-gradient(135deg,#d9a745,#b8801f);
  color:#1a1205;font-weight:700;font-size:14.8px;
  box-shadow:0 12px 26px rgba(201,147,47,.30);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-solid:hover{color:#1a1205;transform:translateY(-2px);box-shadow:0 16px 32px rgba(201,147,47,.42);}
.btn-solid:focus-visible{outline:3px solid var(--brand);outline-offset:3px;}

/* ============ footer ============ */
.site-footer{background:#0b1524;color:#93a5bb;padding:56px 0 26px;}
.footer-grid{
  display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,.8fr) minmax(0,.8fr);
  gap:36px;
}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text small{color:#7d8ea6;}
.footer-brand p{font-size:14px;line-height:1.85;color:#93a5bb;margin:16px 0 0;max-width:420px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:#93a5bb;font-size:14px;}
.footer-col a:hover{color:#f0c978;}
.friend-links{
  margin-top:34px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;font-size:13.5px;
}
.fl-title{color:#fff;font-weight:700;}
.fl-list{display:flex;flex-wrap:wrap;gap:10px 18px;}
.fl-list:empty{display:none;}
.fl-list a{color:#93a5bb;}
.fl-list a:hover{color:#f0c978;}
.footer-bottom{
  margin-top:26px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 26px;
  font-size:13px;color:#7d8ea6;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .page-hero-grid{grid-template-columns:1fr;gap:32px;}
  .read-card{max-width:600px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .main-nav{gap:2px;}
  .main-nav a{padding:8px 10px;font-size:14px;}
  .download-band{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .nav-toggle{display:flex;}
  .header-actions{margin-left:auto;}
  .header-actions .btn-cta span{display:none;}
  .header-actions .btn-cta{padding:11px 14px;}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);padding:10px 16px 16px;display:none;
  }
  .main-nav.open{display:flex;}
  .main-nav a{padding:12px 14px;font-size:15px;}
  .section{padding:48px 0;}
  .grid-3,.grid-2,.grid-4,.news-list,.spec-grid,.check-list{grid-template-columns:1fr;}
  .download-band{padding:28px;gap:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .flow-item{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:18px;}
  .flow-num{width:40px;height:40px;font-size:15px;border-radius:12px;}
  .cta-band{padding:24px;}
}
@media (max-width:520px){
  .site-container{padding:0 16px;}
  .dl-buttons{grid-template-columns:1fr;}
  .hero-tags span{font-size:12.5px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn-solid,.cta-actions .btn-line{width:100%;justify-content:center;}
}