/* roulang page: index */
:root{
  --brand:#14509e;
  --brand-600:#1a5fb8;
  --brand-800:#0c3768;
  --brand-soft:#e9f1fb;
  --gold:#d9a441;
  --gold-soft:#fdf4e3;
  --ink:#0d1c33;
  --body:#4b5c74;
  --muted:#7c8a9e;
  --bg:#f4f7fc;
  --card:#ffffff;
  --line:#e2eaf6;
  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 2px 10px rgba(15,45,90,.05);
  --shadow:0 14px 36px rgba(15,45,90,.10);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.32;font-weight:700}
p{margin:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container-site{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:13px;
  background:linear-gradient(135deg,#14509e,#2277d4);
  color:#fff;font-weight:700;font-size:17px;letter-spacing:1px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(20,80,158,.28);
}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-name{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.25;white-space:nowrap}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.4px;line-height:1.4}
.site-nav{display:flex;align-items:center;gap:22px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  display:inline-block;padding:9px 15px;border-radius:10px;
  font-size:15px;font-weight:500;color:#35465e;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand)}
.nav-links a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--brand);
  font-size:20px;line-height:1;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:focus-visible{outline:3px solid #a9c8f0;outline-offset:2px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:focus-visible{outline:3px solid #a9c8f0;outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(20,80,158,.24)}
.btn-primary:hover{background:var(--brand-800);transform:translateY(-1px);box-shadow:0 14px 26px rgba(20,80,158,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#c6d9f2}
.btn-ghost:hover{background:var(--brand-soft);border-color:#a9c8f0}
.btn-light{background:#fff;color:var(--brand-800)}
.btn-light:hover{background:#eaf2fd;transform:translateY(-1px)}

/* Hero */
.hero{
  padding:50px 0 36px;
  background:
    radial-gradient(900px 320px at 8% -20%,#e4eefc 0%,rgba(244,247,252,0) 72%),
    linear-gradient(180deg,#f8fbff 0%,#f2f6fc 100%);
  border-bottom:1px solid var(--line);
}
.hero-bento{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:18px;align-items:stretch}
.bento-main{
  background:#fff;border:1px solid var(--line);border-radius:24px;
  padding:34px 34px 30px;box-shadow:var(--shadow);min-width:0;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);padding:6px 13px;border-radius:999px;letter-spacing:.3px;
}
.bento-main h1{margin:16px 0 0;font-size:clamp(25px,3vw,37px);letter-spacing:.2px}
.hero-lead{margin-top:16px;font-size:15.6px;line-height:1.9;color:var(--body)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-points li{
  font-size:13px;font-weight:600;color:var(--brand-800);
  background:var(--brand-soft);padding:6px 13px;border-radius:999px;
}
.bento-side{display:grid;grid-template-rows:1fr 1fr;gap:18px;min-width:0}
.mini-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:22px;box-shadow:var(--shadow-sm);min-width:0;
  transition:box-shadow .22s ease,transform .22s ease;
}
.mini-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.mini-card h3{font-size:16px;margin-bottom:12px}
.mini-card ul{display:grid;gap:9px}
.mini-card li{
  font-size:14px;color:var(--body);padding-left:16px;position:relative;line-height:1.6;
}
.mini-card li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:6px;height:6px;border-radius:50%;background:var(--brand-600);
}
.mini-card-dark{
  background:linear-gradient(150deg,#0d3768,#17569b);
  border-color:transparent;color:#dce9fa;
}
.mini-card-dark h3{color:#fff}
.mini-card-dark li{color:#d3e3f8}
.mini-card-dark li::before{background:var(--gold)}
.bento-cta{
  grid-column:1 / -1;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:linear-gradient(115deg,#0d3a70,#1d63b8);
  border-radius:18px;padding:22px 28px;color:#fff;
  box-shadow:0 16px 34px rgba(13,58,112,.24);
}
.bento-cta p{font-size:15px;color:#dbe8fa;line-height:1.7;max-width:660px}

/* 通用 section */
.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,2.3vw,29px);margin-top:14px}
.section-head p{margin-top:12px;font-size:15.5px;line-height:1.8}
.section-head-center{margin-left:auto;margin-right:auto;text-align:center}

/* 网格 */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.grid-3>*, .grid-2>*, .grid-4>*{min-width:0}

/* 卡片 */
.site-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);min-width:0;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.site-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#c9dcf4}
.site-card h3{font-size:17.5px;margin-bottom:10px}
.site-card p{font-size:14.6px;line-height:1.8}
.card-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:16px;margin-bottom:14px;
}
.tag{
  display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;
  border-radius:999px;background:var(--brand-soft);color:var(--brand);
}
.tag-gold{background:var(--gold-soft);color:#8a6415}

/* 下载 */
.download-band{
  background:linear-gradient(135deg,#0b3569 0%,#15508f 48%,#1d63b8 100%);
  border-radius:26px;padding:38px;color:#fff;
  box-shadow:0 24px 50px rgba(13,58,112,.26);
}
.band-head{max-width:720px;margin-bottom:26px}
.band-head h2{color:#fff;font-size:clamp(21px,2.3vw,28px)}
.band-head p{margin-top:12px;color:#d5e5fa;font-size:15px;line-height:1.8}
.dl-card{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.24);
  border-radius:16px;padding:20px;min-width:0;
  display:flex;flex-direction:column;gap:12px;
  transition:background .2s ease,border-color .2s ease;
}
.dl-card:hover{background:rgba(255,255,255,.17);border-color:rgba(255,255,255,.42)}
.dl-card h3{color:#fff;font-size:17px}
.dl-card p{color:#d6e5fa;font-size:14px;line-height:1.7;flex:1 1 auto}
.dl-card .btn{width:100%}
.band-note{
  margin-top:24px;font-size:13.5px;color:#c9dcf5;
  border-top:1px solid rgba(255,255,255,.2);padding-top:16px;
}

/* 入口矩阵 */
.entry-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:22px;box-shadow:var(--shadow-sm);min-width:0;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#bcd6f3}
.entry-card h3{font-size:16.5px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.entry-card p{font-size:14px;color:var(--body);line-height:1.75}
.entry-card .arrow{color:var(--brand);font-weight:700;font-size:14px}

/* 数据条 */
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:22px;box-shadow:var(--shadow-sm);min-width:0;
}
.stat-card .stat-title{font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:8px}
.stat-card p{font-size:14px;line-height:1.75}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:26px 24px;box-shadow:var(--shadow-sm);position:relative;min-width:0;
}
.step-num{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,#14509e,#2277d4);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;margin-bottom:14px;
}
.step-card h3{font-size:17px;margin-bottom:10px}
.step-card p{font-size:14.5px;line-height:1.8}

/* 杠杆知识 */
.leverage-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:26px;align-items:start}
.leverage-aside{
  background:linear-gradient(160deg,#0d3768,#17569b);
  border-radius:20px;padding:30px;color:#dbe8fa;
  box-shadow:0 18px 38px rgba(13,58,112,.22);
}
.leverage-aside h3{color:#fff;font-size:19px;margin-bottom:12px}
.leverage-aside p{font-size:14.6px;line-height:1.85;color:#d3e3f8}
.leverage-aside .warn-box{
  margin-top:18px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.24);border-radius:12px;padding:14px 16px;
  font-size:13.6px;color:#e7f0fc;line-height:1.75;
}
.knowledge-list{display:grid;gap:14px}
.knowledge-item{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand-600);
  border-radius:14px;padding:20px 22px;box-shadow:var(--shadow-sm);min-width:0;
}
.knowledge-item h3{font-size:16.5px;margin-bottom:8px}
.knowledge-item p{font-size:14.5px;line-height:1.8}

/* 清单 */
.check-list{display:grid;gap:12px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:16px 20px;box-shadow:var(--shadow-sm);
}
.check-mark{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
}
.check-item h3{font-size:15.5px;margin-bottom:4px}
.check-item p{font-size:14px;line-height:1.7}

/* 资讯列表 */
.news-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:24px;align-items:start}
.post-list{display:grid;gap:14px;min-width:0}
.post-item{
  display:block;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:20px 22px;min-width:0;
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.post-item:hover{box-shadow:var(--shadow);border-color:#bcd6f3;transform:translateY(-2px)}
.post-item h3{font-size:17px;margin-bottom:8px}
.post-item p{
  font-size:14.4px;color:var(--body);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:12px;font-size:12.8px;color:var(--muted)}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:24px;box-shadow:var(--shadow-sm);min-width:0;
}
.side-card h3{font-size:17px;margin-bottom:6px}
.side-card .side-desc{font-size:13.6px;color:var(--muted);margin-bottom:14px}
.side-link{
  display:block;padding:12px 0;border-bottom:1px dashed var(--line);
  transition:color .2s ease;
}
.side-link:last-child{border-bottom:none;padding-bottom:0}
.side-link:hover{color:var(--brand)}
.side-link .side-title{font-size:14.6px;color:var(--ink);font-weight:500;line-height:1.6}
.side-link:hover .side-title{color:var(--brand)}
.side-link .side-date{display:block;font-size:12.5px;color:var(--muted);margin-top:4px}
.more-row{display:flex;justify-content:center;margin-top:28px}
.empty-note{
  background:#fff;border:1px dashed var(--line);border-radius:14px;
  padding:26px;text-align:center;color:var(--muted);font-size:14.5px;
}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:2px 22px;box-shadow:var(--shadow-sm);
}
.faq-item summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;
  gap:14px;padding:18px 0;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--brand);
  transition:transform .2s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{font-size:14.6px;line-height:1.85;padding-bottom:18px;margin:0}
.faq-item summary:focus-visible{outline:3px solid #a9c8f0;outline-offset:2px;border-radius:8px}

/* 收口 */
.final-band{
  background:linear-gradient(120deg,#0b3569,#15508f 60%,#1d63b8);
  border-radius:26px;padding:42px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 24px 50px rgba(13,58,112,.24);
}
.final-band h2{color:#fff;font-size:clamp(20px,2.2vw,27px);margin-bottom:12px}
.final-band p{color:#d5e5fa;font-size:15px;line-height:1.8;max-width:640px}
.final-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* 页脚 */
.site-footer{background:#0a2445;color:#c3d5ec;padding:56px 0 26px;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:#8fa8c6}
.site-footer p{font-size:14px;line-height:1.85;color:#a9c0da}
.footer-col h3{color:#fff;font-size:15.5px;margin-bottom:14px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:#b7cbe3;transition:color .2s ease}
.footer-links a:hover{color:#fff}
.footer-links span{font-size:14px;color:#9db5d1}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8fa8c6;
}

/* 响应式 */
@media (max-width:1024px){
  .hero-bento{grid-template-columns:minmax(0,1fr)}
  .bento-side{grid-template-rows:auto;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))}
  .news-layout{grid-template-columns:minmax(0,1fr)}
  .leverage-layout{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .final-band{flex-direction:column;align-items:flex-start}
}
@media (max-width:900px){
  .site-nav{
    position:absolute;top:74px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(15,45,90,.12);
    padding:16px 24px 20px;display:none;flex-direction:column;align-items:stretch;gap:14px;
  }
  .site-nav.is-open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch;gap:4px}
  .nav-links a{padding:11px 14px}
  .nav-actions{flex-direction:column;align-items:stretch;gap:10px}
  .nav-actions .btn{width:100%}
  .nav-toggle{display:inline-flex}
}
@media (max-width:768px){
  .container-site{padding:0 18px}
  .section{padding:48px 0}
  .bento-main{padding:26px 22px}
  .hero{padding:34px 0 28px}
  .bento-side{grid-template-columns:minmax(0,1fr)}
  .bento-cta{flex-direction:column;align-items:flex-start;padding:20px 22px}
  .grid-3,.grid-2,.grid-4,.steps{grid-template-columns:minmax(0,1fr)}
  .download-band{padding:26px 20px;border-radius:20px}
  .final-band{padding:28px 22px;border-radius:20px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .site-footer{padding:44px 0 22px;margin-top:48px}
  .brand-name{font-size:15.5px;white-space:normal}
}
@media (max-width:520px){
  .bento-main h1{font-size:23px}
  .hero-lead{font-size:15px}
  .btn{padding:10px 16px;font-size:14.5px}
  .section-head h2{font-size:20px}
  .post-item,.site-card,.stat-card,.knowledge-item{padding:18px}
  .faq-item{padding:2px 16px}
  .band-head h2,.final-band h2{font-size:19px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: article */
:root{
  --brand:#14509e;
  --brand-600:#1a5fb8;
  --brand-800:#0c3768;
  --brand-soft:#e9f1fb;
  --gold:#d9a441;
  --gold-soft:#fdf4e3;
  --ink:#0d1c33;
  --body:#4b5c74;
  --muted:#7c8a9e;
  --bg:#f4f7fc;
  --card:#ffffff;
  --line:#e2eaf6;
  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 2px 10px rgba(15,45,90,.05);
  --shadow:0 14px 36px rgba(15,45,90,.10);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
body.page-article{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
h1,h2,h3,h4{color:var(--ink);line-height:1.35;font-weight:700}
.container-site{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:13px;
  background:linear-gradient(135deg,#14509e,#2277d4);
  color:#fff;font-weight:700;font-size:17px;letter-spacing:1px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(20,80,158,.28);
}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-name{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.25;white-space:nowrap}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.4px;line-height:1.4}
.site-nav{display:flex;align-items:center;gap:22px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  display:inline-block;padding:9px 15px;border-radius:10px;
  font-size:15px;font-weight:500;color:#35465e;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand)}
.nav-links a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--brand);
  font-size:20px;line-height:1;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:focus-visible{outline:3px solid #a9c8f0;outline-offset:2px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:focus-visible{outline:3px solid #a9c8f0;outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(20,80,158,.24)}
.btn-primary:hover{background:var(--brand-800);transform:translateY(-1px);box-shadow:0 14px 26px rgba(20,80,158,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#c6d9f2}
.btn-ghost:hover{background:var(--brand-soft);border-color:#a9c8f0}
.btn-light{background:#fff;color:var(--brand-800)}
.btn-light:hover{background:#eaf2fd;transform:translateY(-1px)}
.btn-gold{background:var(--gold);color:#3b2a06;box-shadow:0 10px 22px rgba(217,164,65,.28)}
.btn-gold:hover{background:#c9922f;transform:translateY(-1px)}

/* 通用 section */
.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,2.3vw,28px);margin-top:14px}
.section-head p{margin-top:12px;font-size:15.5px;line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);padding:6px 13px;border-radius:999px;letter-spacing:.3px;
}

/* 文章头部 */
.article-hero{
  padding:34px 0 30px;
  background:radial-gradient(900px 300px at 6% -30%,#e4eefc 0%,rgba(244,247,252,0) 74%),
             linear-gradient(180deg,#f8fbff 0%,#f1f6fd 100%);
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px}
.breadcrumb a{color:var(--brand);font-weight:500}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb span.sep{color:#b9c7db}
.post-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;color:var(--brand-800);
  background:var(--gold-soft);border:1px solid #f0dcb4;
  padding:5px 12px;border-radius:999px;
}
.post-title{
  font-size:clamp(24px,3vw,35px);
  letter-spacing:.2px;
  margin:14px 0 0;
  max-width:920px;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:16px;font-size:13.5px;color:var(--muted)}
.post-meta .meta-dot{width:5px;height:5px;border-radius:50%;background:#c3d3e8}
.post-lead{
  margin-top:16px;max-width:860px;font-size:15.6px;line-height:1.9;color:var(--body);
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:var(--radius-sm);padding:16px 20px;box-shadow:var(--shadow-sm);
}

/* 文章布局 */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 322px;
  gap:28px;align-items:start;
}
.article-main{min-width:0;max-width:720px}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:30px 30px 26px;
}
.article-body{font-size:16px;line-height:1.95;color:#3d4f68;overflow-wrap:break-word}
.article-body>*+*{margin-top:16px}
.article-body h2{
  font-size:22px;margin-top:34px;padding-left:12px;border-left:4px solid var(--brand);
  line-height:1.5;
}
.article-body h3{font-size:18px;margin-top:26px;color:var(--brand-800)}
.article-body h4{font-size:16.5px;margin-top:20px}
.article-body p{margin-top:14px}
.article-body ul,.article-body ol{margin-top:14px;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin-top:8px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--brand-600);
}
.article-body ol{counter-reset:art}
.article-body ol li{position:relative;padding-left:26px;margin-top:8px;counter-increment:art}
.article-body ol li::before{
  content:counter(art);position:absolute;left:0;top:.18em;
  width:19px;height:19px;border-radius:6px;background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin-top:20px;padding:16px 20px;background:var(--brand-soft);
  border-left:4px solid var(--brand-600);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--brand-800);font-size:15.4px;
}
.article-body blockquote p{margin:0}
.article-body table{width:100%;border-collapse:collapse;margin-top:18px;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--brand-soft);color:var(--brand-800);font-weight:600}
.article-body img{border-radius:var(--radius-sm);margin-top:18px;width:100%}
.article-body a{color:var(--brand);border-bottom:1px solid #bcd4f0}
.article-body a:hover{color:var(--brand-800);border-bottom-color:var(--brand-800)}
.article-foot{
  margin-top:26px;padding-top:18px;border-top:1px dashed var(--line);
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
}
.article-foot .tag{
  font-size:12.5px;color:var(--brand-800);background:var(--brand-soft);
  border-radius:999px;padding:5px 12px;font-weight:600;
}
.article-empty{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:44px 28px;text-align:center;box-shadow:var(--shadow-sm);
}
.article-empty h2{font-size:21px}
.article-empty p{margin-top:12px;font-size:15px;color:var(--body)}
.article-empty .btn{margin-top:22px}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:18px;min-width:0}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);min-width:0;
}
.side-card h3{font-size:15.5px;margin-bottom:12px}
.side-card ul{display:grid;gap:10px}
.side-card li{
  font-size:13.8px;line-height:1.7;color:var(--body);padding-left:16px;position:relative;
}
.side-card li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;
  background:var(--brand-600);
}
.side-card-dark{
  background:linear-gradient(150deg,#0d3768,#17569b);
  border-color:transparent;color:#dce9fa;box-shadow:0 16px 34px rgba(13,58,112,.22);
}
.side-card-dark h3{color:#fff}
.side-card-dark p{font-size:13.8px;line-height:1.75;color:#d3e3f8}
.side-card-dark .btn{margin-top:16px;width:100%}
.side-note{
  background:var(--gold-soft);border:1px solid #f0dcb4;border-radius:var(--radius-sm);
  padding:16px 18px;font-size:13.2px;line-height:1.75;color:#6b4d13;
}
.side-note strong{color:#4a3406}

/* 知识卡片网格 */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.grid-3>*,.grid-2>*{min-width:0}
.site-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);min-width:0;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.site-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#c9dcf5}
.site-card h3{font-size:17px;margin-bottom:10px}
.site-card p{font-size:14.6px;line-height:1.82;color:var(--body)}
.card-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;background:var(--brand-soft);
  color:var(--brand);font-weight:700;font-size:14px;margin-bottom:14px;
}
.card-list{margin-top:14px;display:grid;gap:8px}
.card-list li{font-size:14px;line-height:1.7;padding-left:16px;position:relative;color:var(--body)}
.card-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--gold);
}

/* 深色面板 */
.dark-panel{
  background:linear-gradient(125deg,#0c3768,#17569b 62%,#1d63b8);
  border-radius:24px;padding:38px 38px 34px;color:#dbe8fa;
  box-shadow:0 20px 44px rgba(12,55,104,.26);
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:30px;
}
.dark-panel h2{color:#fff;font-size:clamp(21px,2.3vw,27px);margin-top:14px}
.dark-panel .eyebrow{background:rgba(255,255,255,.14);color:#e7f0fd}
.dark-panel p{font-size:15px;line-height:1.85;color:#d3e3f8;margin-top:14px}
.panel-list{display:grid;gap:12px;align-content:start}
.panel-item{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:14px;padding:14px 16px;min-width:0;
}
.panel-item strong{display:block;color:#fff;font-size:14.5px;margin-bottom:4px}
.panel-item span{font-size:13.6px;line-height:1.7;color:#cfdff5}

/* 流程步骤 */
.step-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.step-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow-sm);display:flex;gap:16px;min-width:0;
  transition:box-shadow .22s ease,transform .22s ease;
}
.step-item:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.step-index{
  flex:0 0 38px;width:38px;height:38px;border-radius:12px;
  background:var(--brand);color:#fff;font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(20,80,158,.24);
}
.step-item h3{font-size:16px;margin-bottom:8px}
.step-item p{font-size:14.4px;line-height:1.8;color:var(--body)}

/* 清单 */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.check-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 18px;display:flex;gap:12px;min-width:0;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.check-item:hover{border-color:#c9dcf5;box-shadow:var(--shadow)}
.check-mark{
  flex:0 0 24px;width:24px;height:24px;border-radius:8px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.check-item p{font-size:14.3px;line-height:1.75;color:var(--body)}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px 22px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#c9dcf5;box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;font-size:15.5px;font-weight:600;color:var(--ink);
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;color:var(--brand);font-weight:700;font-size:18px;line-height:1;
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{margin-top:12px;font-size:14.6px;line-height:1.85;color:var(--body)}

/* 下载区 */
.download-panel{
  background:#fff;border:1px solid var(--line);border-radius:24px;
  padding:34px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:30px;align-items:center;
}
.download-panel h2{font-size:clamp(21px,2.3vw,27px);margin-top:14px}
.download-panel p{font-size:15px;line-height:1.85;margin-top:14px}
.download-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;min-width:0}
.download-btn{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  padding:18px 10px;border-radius:14px;border:1px solid #c6d9f2;background:#fff;
  color:var(--brand-800);font-weight:600;font-size:14px;text-align:center;min-width:0;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.download-btn:hover{background:var(--brand-soft);border-color:#a9c8f0;transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.download-btn:focus-visible{outline:3px solid #a9c8f0;outline-offset:2px}
.download-btn .dl-ico{
  width:34px;height:34px;border-radius:10px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.download-btn .dl-label{font-size:13px;font-weight:700;color:var(--ink)}
.download-btn .dl-sub{font-size:11.8px;font-weight:500;color:var(--muted)}
.download-note{grid-column:1 / -1;font-size:12.8px;color:var(--muted);line-height:1.7;margin-top:2px}

/* 资讯/延伸入口 */
.article-more{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.more-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow-sm);min-width:0;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.more-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#c9dcf5}
.more-card h3{font-size:16.5px;margin-bottom:8px}
.more-card p{font-size:14.4px;line-height:1.8;color:var(--body)}
.more-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.more-link:hover{color:var(--brand-800)}
.more-link::after{content:"→";transition:transform .2s ease}
.more-link:hover::after{transform:translateX(3px)}

/* 免责条 */
.legal-note{
  background:var(--gold-soft);border:1px solid #f0dcb4;border-radius:var(--radius-sm);
  padding:20px 24px;font-size:13.8px;line-height:1.85;color:#6b4d13;
}
.legal-note strong{color:#4a3406}

/* 页脚 */
.site-footer{
  background:#0b2344;color:#c2d3e9;padding:56px 0 26px;border-top:1px solid #143b6b;
}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr);gap:34px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:#8fabc9}
.site-footer p{font-size:14px;line-height:1.85;color:#a9c1dc;max-width:520px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:14px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:#a9c1dc;transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid #143b6b;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:#8fabc9;
}

/* 响应式 */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-main{max-width:none}
  .article-side{flex-direction:row;flex-wrap:wrap}
  .article-side>*{flex:1 1 300px}
  .dark-panel{grid-template-columns:minmax(0,1fr)}
  .download-panel{grid-template-columns:minmax(0,1fr)}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .site-nav{gap:12px}
  .nav-links a{padding:8px 11px;font-size:14.5px}
}
@media (max-width:860px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 34px rgba(15,45,90,.12);
    padding:16px 24px 22px;flex-direction:column;align-items:stretch;gap:14px;
  }
  .site-nav.is-open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch;gap:4px}
  .nav-links a{padding:11px 12px}
  .nav-actions{flex-direction:column;align-items:stretch}
  .nav-actions .btn{width:100%}
  .nav-inner{position:relative}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .article-card{padding:22px 20px}
  .grid-2,.step-list,.check-grid,.article-more{grid-template-columns:minmax(0,1fr)}
  .download-actions{grid-template-columns:repeat(3,minmax(0,1fr))}
  .dark-panel{padding:28px 24px}
  .download-panel{padding:26px 22px}
  .post-lead{font-size:14.8px;padding:14px 16px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:520px){
  .container-site{padding:0 16px}
  .brand-sub{display:none}
  .brand-name{font-size:15.5px}
  .grid-3{grid-template-columns:minmax(0,1fr)}
  .download-actions{grid-template-columns:minmax(0,1fr)}
  .download-btn{flex-direction:row;justify-content:flex-start;gap:10px;padding:14px 16px;text-align:left}
  .download-btn .dl-sub{margin-left:auto}
  .article-hero{padding:26px 0 24px}
  .post-title{font-size:22px}
  .site-card,.side-card{padding:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --brand:#14509e;
  --brand-600:#1a5fb8;
  --brand-800:#0c3768;
  --brand-soft:#e9f1fb;
  --gold:#d9a441;
  --gold-soft:#fdf4e3;
  --ink:#0d1c33;
  --body:#4b5c74;
  --muted:#7c8a9e;
  --bg:#f4f7fc;
  --card:#ffffff;
  --line:#e2eaf6;
  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 2px 10px rgba(15,45,90,.05);
  --shadow:0 14px 36px rgba(15,45,90,.10);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font-family:inherit}
.container-site{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px;position:relative}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:13px;
  background:linear-gradient(135deg,#14509e,#2277d4);
  color:#fff;font-weight:700;font-size:17px;letter-spacing:1px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(20,80,158,.28);
}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-name{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.25;white-space:nowrap}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.4px;line-height:1.4}
.site-nav{display:flex;align-items:center;gap:22px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  display:inline-block;padding:9px 15px;border-radius:10px;
  font-size:15px;font-weight:500;color:#35465e;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand)}
.nav-links a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--brand);
  font-size:20px;line-height:1;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:focus-visible{outline:3px solid #a9c8f0;outline-offset:2px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:focus-visible{outline:3px solid #a9c8f0;outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(20,80,158,.24)}
.btn-primary:hover{background:var(--brand-800);transform:translateY(-1px);box-shadow:0 14px 26px rgba(20,80,158,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#c6d9f2}
.btn-ghost:hover{background:var(--brand-soft);border-color:#a9c8f0}
.btn-light{background:#fff;color:var(--brand-800)}
.btn-light:hover{background:#eaf2fd;transform:translateY(-1px)}
.btn-block{width:100%}

/* ---------- Hero ---------- */
.hero{
  padding:52px 0 60px;
  background:
    radial-gradient(900px 320px at 8% -20%,#e4eefc 0%,rgba(244,247,252,0) 72%),
    linear-gradient(180deg,#f8fbff 0%,#f2f6fc 100%);
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:26px;
  align-items:start;
}
.hero-copy{min-width:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);padding:6px 13px;border-radius:999px;letter-spacing:.3px;
}
.hero-copy h1{margin-top:16px;font-size:clamp(25px,3vw,36px);letter-spacing:.2px}
.hero-lead{margin-top:16px;font-size:15.6px;line-height:1.9;color:var(--body)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-points li{
  font-size:13px;font-weight:600;color:var(--brand-800);
  background:var(--brand-soft);padding:6px 13px;border-radius:999px;
}
.check-panel{
  background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:24px;box-shadow:var(--shadow);min-width:0;
}
.check-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.check-tag{font-size:14.5px;font-weight:700;color:var(--ink)}
.check-state{
  font-size:12px;font-weight:600;color:#9a6a10;background:var(--gold-soft);
  border:1px solid #f0dcb4;padding:3px 10px;border-radius:999px;white-space:nowrap;
}
.check-list{margin-top:6px}
.check-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line)}
.check-list li:last-child{border-bottom:0;padding-bottom:2px}
.check-list strong{display:block;font-size:14.5px;color:var(--ink);font-weight:600}
.check-list p{font-size:13.5px;color:var(--muted);line-height:1.6;margin-top:2px}
.dot{width:10px;height:10px;flex:0 0 10px;border-radius:50%;background:var(--gold);margin-top:7px}
.check-foot{
  margin-top:16px;font-size:13px;color:var(--brand-800);
  background:var(--brand-soft);border-radius:12px;padding:10px 14px;line-height:1.6;
}

/* ---------- 通用 section ---------- */
.section{padding:64px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:800px;margin-bottom:34px}
.section-head h2{font-size:clamp(21px,2.3vw,29px);margin-top:14px}
.section-head p{margin-top:12px;font-size:15.5px;line-height:1.85}
.section-head-center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- 网格与卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.grid-3>*,.grid-2>*{min-width:0}
.site-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);min-width:0;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.site-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#cfddf3}
.card-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--brand-soft);
  color:var(--brand);font-size:14px;font-weight:700;margin-bottom:14px;
}
.site-card h3{font-size:17px;margin-bottom:10px}
.site-card p{font-size:14.5px;line-height:1.8}
.card-list{margin-top:14px;display:grid;gap:8px}
.card-list li{
  position:relative;padding-left:16px;font-size:14px;line-height:1.7;color:var(--body);
}
.card-list li::before{
  content:"";position:absolute;left:0;top:.66em;width:6px;height:6px;border-radius:50%;background:var(--brand-600);
}

/* ---------- 策略类型 ---------- */
.type-list{display:grid;gap:16px}
.type-item{
  display:grid;grid-template-columns:minmax(0,180px) minmax(0,1fr);
  gap:22px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:box-shadow .22s ease,transform .22s ease;
}
.type-item:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.type-name{font-size:16.5px;font-weight:700;color:var(--ink)}
.type-name span{display:block;font-size:12.5px;font-weight:500;color:var(--muted);margin-top:6px;letter-spacing:.3px}
.type-body{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;min-width:0}
.type-cell h4{font-size:13.5px;color:var(--brand);font-weight:700;letter-spacing:.3px;margin-bottom:6px}
.type-cell p{font-size:14.5px;line-height:1.8}
.type-cell.is-warn h4{color:#a8630f}

/* ---------- 流程 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px 22px;box-shadow:var(--shadow-sm);min-width:0;
  transition:box-shadow .22s ease,transform .22s ease;
}
.step-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.step-no{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#14509e,#2a76cf);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 8px 16px rgba(20,80,158,.24);margin-bottom:14px;
}
.step-card h3{font-size:16px;margin-bottom:8px}
.step-card p{font-size:14px;line-height:1.8}

/* ---------- 杠杆三笔账 ---------- */
.leverage-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:26px;align-items:start;
}
.leverage-intro{min-width:0}
.leverage-intro h2{font-size:clamp(21px,2.3vw,29px);margin-top:14px}
.leverage-intro p{margin-top:14px;font-size:15.5px;line-height:1.9}
.leverage-note{
  margin-top:20px;background:var(--gold-soft);border:1px solid #f0dcb4;border-radius:14px;
  padding:16px 18px;font-size:14px;line-height:1.8;color:#7a5410;
}
.ledger{display:grid;gap:14px;min-width:0}
.ledger-item{
  background:linear-gradient(150deg,#0d3768,#17569b);color:#dce9fa;
  border-radius:16px;padding:20px 22px;box-shadow:0 14px 30px rgba(13,58,112,.22);
  min-width:0;transition:transform .2s ease,box-shadow .2s ease;
}
.ledger-item:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(13,58,112,.28)}
.ledger-item h3{color:#fff;font-size:15.5px;margin-bottom:8px}
.ledger-item p{font-size:14px;line-height:1.8;color:#cfe0f7}
.ledger-item .ledger-tip{
  display:inline-block;margin-top:12px;font-size:12.5px;font-weight:600;color:#0d3768;
  background:var(--gold);padding:3px 11px;border-radius:999px;
}

/* ---------- 风险清单 ---------- */
.risk-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);min-width:0;
}
.risk-card h3{font-size:16.5px;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.risk-card h3::before{
  content:"";width:4px;height:18px;border-radius:2px;background:var(--brand);
}
.risk-list{display:grid;gap:12px}
.risk-list li{
  display:flex;gap:10px;font-size:14.5px;line-height:1.75;color:var(--body);
}
.risk-list li::before{
  content:"✓";flex:0 0 auto;color:var(--brand);font-weight:700;font-size:13px;
  width:20px;height:20px;border-radius:50%;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;margin-top:3px;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#c6d9f2;box-shadow:var(--shadow)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;
  font-size:15.5px;font-weight:600;color:var(--ink);
  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:600;color:var(--brand);line-height:1;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"–"}
.faq-item summary:focus-visible{outline:3px solid #a9c8f0;outline-offset:-3px}
.faq-answer{padding:0 22px 20px;font-size:14.8px;line-height:1.9;color:var(--body)}

/* ---------- CMS 列表 ---------- */
.post-card{
  display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);min-width:0;height:100%;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.post-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#cfddf3}
.post-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:12.5px;color:var(--muted)}
.post-meta span{
  background:var(--brand-soft);color:var(--brand);border-radius:999px;padding:2px 10px;font-weight:600;
}
.post-card h3{font-size:16px;line-height:1.6}
.post-card p{font-size:14px;line-height:1.8}
.post-more{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--brand)}
.post-empty{
  background:#fff;border:1px dashed #cddcf1;border-radius:14px;
  padding:26px;text-align:center;font-size:14.5px;color:var(--muted);
}

/* ---------- 下载 ---------- */
.download-section{
  padding:64px 0;
  background:linear-gradient(120deg,#0c3768 0%,#14509e 55%,#1d63b8 100%);
  color:#e6effb;
}
.download-inner{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:32px;align-items:center;
}
.download-copy h2{color:#fff;font-size:clamp(21px,2.4vw,30px)}
.download-copy p{margin-top:14px;font-size:15px;line-height:1.9;color:#d3e3f8}
.download-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.download-tags span{
  font-size:12.5px;font-weight:600;color:#dbe8fa;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);
  padding:5px 12px;border-radius:999px;
}
.download-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;min-width:0}
.dl-card{
  display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;
  background:rgba(255,255,255,.96);border-radius:16px;padding:22px 14px;
  color:var(--brand-800);box-shadow:0 14px 30px rgba(4,26,56,.28);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.dl-card:hover{transform:translateY(-4px);box-shadow:0 20px 38px rgba(4,26,56,.36);background:#fff}
.dl-card:focus-visible{outline:3px solid #ffd88a;outline-offset:3px}
.dl-name{font-size:15px;font-weight:700;color:var(--ink)}
.dl-file{font-size:11.5px;color:var(--muted);letter-spacing:.3px;word-break:break-word}
.dl-arrow{font-size:12.5px;font-weight:700;color:#fff;background:var(--brand);padding:4px 14px;border-radius:999px;margin-top:4px}

/* ---------- 收口 CTA ---------- */
.closing{padding:0 0 66px;background:var(--bg)}
.closing-box{
  margin-top:0;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:28px 32px;box-shadow:var(--shadow);
}
.closing-box h2{font-size:clamp(18px,2vw,22px)}
.closing-box p{margin-top:8px;font-size:14.5px;line-height:1.8;max-width:660px}

/* ---------- 页脚 ---------- */
.site-footer{background:#0b1f3a;color:#b9c9df;padding:52px 0 26px;border-top:1px solid #16304f}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr);gap:34px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.site-footer p{font-size:14px;line-height:1.9;color:#9fb4cf}
.footer-col h3{font-size:14.5px;color:#fff;margin-bottom:14px;letter-spacing:.3px}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:14px;color:#a9bfda;transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-links a:focus-visible{outline:2px solid #6fa3e0;outline-offset:3px;border-radius:4px}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid #17324f;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8ba4c2;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:22px}
  .leverage-wrap{grid-template-columns:minmax(0,1fr)}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .download-inner{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);gap:26px}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .site-nav{
    position:absolute;left:-24px;right:-24px;top:100%;
    display:none;flex-direction:column;align-items:stretch;gap:14px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(15,45,90,.14);
    padding:16px 24px 22px;
  }
  .site-nav.is-open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch;gap:2px}
  .nav-links a{padding:11px 12px;font-size:15px}
  .nav-actions{flex-wrap:wrap}
  .nav-actions .btn{flex:1 1 auto}
}
@media (max-width:768px){
  .section,.download-section{padding:48px 0}
  .hero{padding:38px 0 46px}
  .grid-2{grid-template-columns:minmax(0,1fr)}
  .type-item{grid-template-columns:minmax(0,1fr);gap:14px;padding:20px}
  .type-body{grid-template-columns:minmax(0,1fr);gap:14px}
  .download-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
  .dl-card{padding:18px 10px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .closing-box{padding:24px}
  .check-panel{padding:20px}
}
@media (max-width:520px){
  .container-site{padding:0 16px}
  .site-nav{left:-16px;right:-16px;padding:14px 16px 20px}
  .brand-sub{display:none}
  .brand-name{font-size:15.5px}
  .grid-3{grid-template-columns:minmax(0,1fr)}
  .step-grid{grid-template-columns:minmax(0,1fr)}
  .download-grid{grid-template-columns:minmax(0,1fr)}
  .dl-card{flex-direction:row;justify-content:space-between;text-align:left;padding:16px 18px;flex-wrap:wrap}
  .dl-arrow{margin-top:0}
  .hero-copy h1{font-size:23px}
  .closing-box{flex-direction:column;align-items:flex-start}
  .footer-bottom{flex-direction:column;gap:6px}
}