/* roulang page: index */
:root{
  --brand:#1C5FB4;
  --brand-dark:#17539F;
  --ink-blue:#0E2E5C;
  --brand-soft:#EAF1FB;
  --teal:#12A39A;
  --accent:#E8762B;
  --text:#10233D;
  --text-sub:#44586F;
  --text-weak:#8496A9;
  --line:#E5EDF6;
  --line-card:#E7EEF7;
  --page:#F6F8FC;
  --card:#FFFFFF;
  --skeleton:#E8F0FB;
  --radius-sm:10px;
  --radius-card:16px;
  --radius-lg:22px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,46,92,.05);
  --shadow-2:0 18px 40px -18px rgba(16,46,92,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 16px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1024px){.container{padding:0 40px;}}
.num{font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 26px -14px rgba(16,46,92,.28);background:rgba(255,255,255,.86);}
.nav-inner{display:flex;align-items:center;gap:18px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand) 0%,var(--teal) 100%);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:16px;letter-spacing:.5px;
  box-shadow:0 8px 18px -10px rgba(28,95,180,.9);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-name{font-size:16px;font-weight:700;color:var(--ink-blue);white-space:nowrap;}
.logo-sub{font-size:11px;color:var(--text-weak);letter-spacing:.4px;}
.nav-links{display:none;align-items:center;gap:4px;margin-left:12px;flex:1;}
@media (min-width:1024px){.nav-links{display:flex;}}
.nav-link{
  position:relative;padding:8px 12px;border-radius:var(--radius-sm);
  font-size:14.5px;font-weight:500;color:var(--text-sub);
  transition:color .25s var(--ease),background .25s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.active{color:var(--brand);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:none;align-items:center;gap:8px;
  width:258px;height:42px;padding:0 16px;
  background:#F2F6FC;border:1px solid var(--line-card);border-radius:var(--radius-pill);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
@media (min-width:1180px){.search-box{display:flex;}}
.search-box svg{flex-shrink:0;color:var(--text-weak);}
.search-box input{flex:1;border:none;background:transparent;outline:none;font-size:14px;color:var(--text);}
.search-box input::placeholder{color:var(--text-weak);}
.search-box:focus-within{
  border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(28,95,180,.14);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .3s var(--ease),color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -12px rgba(28,95,180,.9);}
.btn-primary:hover{background:var(--brand-dark);box-shadow:0 16px 30px -14px rgba(28,95,180,.95);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 22px -12px rgba(232,118,43,.85);}
.btn-accent:hover{background:#D2661F;}
.btn-ghost{background:transparent;color:var(--ink-blue);border:1px solid rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.85);}
.btn-outline{background:#fff;color:var(--brand);border:1px solid #C9DCF3;}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.nav-cta{display:none;}
@media (min-width:640px){.nav-cta{display:inline-flex;}}
.burger{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line-card);background:#fff;
  color:var(--ink-blue);
}
@media (min-width:1024px){.burger{display:none;}}
.burger:hover{background:var(--brand-soft);}
/* 移动抽屉 */
.drawer{
  position:fixed;inset:68px 0 0 0;z-index:55;background:rgba(255,255,255,.99);
  padding:20px 16px 40px;overflow-y:auto;
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity .28s var(--ease),transform .28s var(--ease);
}
.drawer.open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer .search-box{display:flex;width:100%;margin-bottom:16px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px;border-radius:var(--radius-sm);
  font-size:15.5px;font-weight:500;color:var(--text-sub);border-bottom:1px solid var(--line);
}
.drawer-link:hover{background:var(--brand-soft);color:var(--brand);}
.drawer-link.active{color:var(--brand);font-weight:700;}
.drawer .btn{width:100%;margin-top:18px;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background-color:#0E2E5C;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
  min-height:520px;display:flex;align-items:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,46,92,.94) 0%,rgba(14,46,92,.82) 42%,rgba(14,46,92,.28) 74%,rgba(14,46,92,.06) 100%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,rgba(246,248,252,0) 0%,rgba(246,248,252,.85) 62%,var(--page) 100%);
}
.hero-inner{position:relative;z-index:2;padding:72px 0 96px;width:100%;}
.hero-content{max-width:620px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  color:#DCE9FA;font-size:13px;letter-spacing:.4px;margin-bottom:20px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(232,118,43,.22);}
.hero h1{
  color:#fff;font-size:clamp(28px,4.4vw,50px);line-height:1.22;letter-spacing:-.5px;
  margin-bottom:18px;
}
.hero-sub{color:#C6D8EE;font-size:16px;line-height:1.8;max-width:520px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;}
.hero-stat{color:#fff;}
.hero-stat strong{display:block;font-size:24px;font-weight:700;line-height:1.2;}
.hero-stat span{font-size:13px;color:#A9C2E0;}
@media (max-width:640px){
  .hero{min-height:auto;}
  .hero-inner{padding:56px 0 72px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-stats{gap:22px;}
  .hero-stat strong{font-size:20px;}
}

/* ============ 通用板块 ============ */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:80px 0;}}
@media (min-width:1024px){.section{padding:104px 0;}}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:32px;
}
.section-title{font-size:clamp(22px,2.6vw,34px);line-height:1.28;letter-spacing:-.4px;}
.section-desc{margin-top:8px;color:var(--text-sub);font-size:14.5px;max-width:620px;}
.section-more{font-size:14.5px;font-weight:600;color:var(--brand);white-space:nowrap;}
.section-more:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:4px;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:1.2px;
  color:var(--teal);text-transform:uppercase;margin-bottom:10px;
}

/* ============ 横滑片库 ============ */
.slider-wrap{position:relative;}
.slider-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 2px 18px;
  scrollbar-width:none;-ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
}
.slider-track::-webkit-scrollbar{display:none;}
.slider-card{
  flex:0 0 78vw;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line-card);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
@media (min-width:640px){.slider-card{flex:0 0 300px;}}
@media (min-width:1024px){.slider-card{flex:0 0 320px;}}
.slider-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#BBD5F2;}
.slider-thumb{
  position:relative;aspect-ratio:16/10;background:var(--skeleton);overflow:hidden;
}
.slider-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.slider-card:hover .slider-thumb img{transform:scale(1.04);}
.slider-body{padding:18px;}
.slider-body h3{font-size:18px;line-height:1.4;margin-bottom:8px;}
.slider-body p{font-size:14px;color:var(--text-sub);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.slider-arrow{
  position:absolute;top:34%;z-index:5;
  width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line-card);box-shadow:var(--shadow-2);
  display:none;align-items:center;justify-content:center;color:var(--ink-blue);
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.slider-arrow:hover{background:var(--brand);color:#fff;transform:scale(1.06);}
.slider-arrow.prev{left:-14px;}
.slider-arrow.next{right:-14px;}
@media (min-width:1024px){.slider-arrow{display:flex;}}
.fade-mask-l,.fade-mask-r{position:absolute;top:0;bottom:18px;width:38px;pointer-events:none;z-index:3;display:none;}
@media (min-width:1024px){.fade-mask-l,.fade-mask-r{display:block;}}
.fade-mask-l{left:0;background:linear-gradient(90deg,var(--page),rgba(246,248,252,0));}
.fade-mask-r{right:0;background:linear-gradient(270deg,var(--page),rgba(246,248,252,0));}

/* ============ 重点推荐（8/4 不对称） ============ */
.feature-grid{display:grid;gap:24px;grid-template-columns:1fr;}
@media (min-width:1024px){.feature-grid{grid-template-columns:8fr 4fr;}}
.feature-main{
  background:var(--card);border:1px solid var(--line-card);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.feature-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#BBD5F2;}
.feature-main .thumb{position:relative;aspect-ratio:21/9;background:var(--skeleton);overflow:hidden;}
.feature-main .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.feature-main:hover .thumb img{transform:scale(1.04);}
.feature-main .body{padding:26px;}
.feature-main h3{font-size:24px;line-height:1.38;margin-bottom:12px;}
.feature-main p{color:var(--text-sub);font-size:15px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  font-size:12.5px;font-weight:600;background:var(--brand-soft);color:var(--brand);
}
.badge-teal{background:#E2F5F3;color:#0E8B84;}
.mini-list{display:flex;flex-direction:column;gap:14px;}
.mini-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line-card);border-radius:var(--radius-card);
  padding:14px;box-shadow:var(--shadow-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.mini-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#BBD5F2;}
.mini-thumb{width:96px;height:64px;flex:0 0 96px;border-radius:10px;overflow:hidden;background:var(--skeleton);}
.mini-thumb img{width:100%;height:100%;object-fit:cover;}
.mini-item h3{font-size:15px;line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-item .meta{font-size:12.5px;color:var(--text-weak);}
.hot-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:6px;vertical-align:middle;}

/* ============ 最新信息 CMS ============ */
.cms-grid{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:640px){.cms-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.cms-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.post-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--card);border:1px solid var(--line-card);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#BBD5F2;}
.post-card h3{font-size:17.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card p{font-size:14px;color:var(--text-sub);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--text-weak);margin-top:auto;padding-top:12px;border-top:1px solid var(--line);}
.empty-state{
  border:1.5px dashed #C4D8EF;border-radius:var(--radius-lg);background:#FBFDFF;
  padding:52px 24px;text-align:center;
}
.empty-state .icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:16px;
  background:var(--brand-soft);display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.empty-state p{color:var(--text-sub);font-size:15px;margin-bottom:18px;}

/* ============ 分类分区 ============ */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:var(--radius-pill);background:#fff;border:1px solid var(--line-card);
  font-size:14px;font-weight:500;color:var(--text-sub);
  transition:all .28s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);transform:translateY(-2px);}
.chip.active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 10px 20px -12px rgba(28,95,180,.9);}
.mix-grid{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:640px){.mix-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.mix-grid{grid-template-columns:repeat(3,1fr);gap:26px;}}
.mix-card{
  background:var(--card);border:1px solid var(--line-card);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.mix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#BBD5F2;}
.mix-card .thumb{aspect-ratio:16/10;background:var(--skeleton);overflow:hidden;}
.mix-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.mix-card:hover .thumb img{transform:scale(1.04);}
.mix-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.mix-card h3{font-size:18px;line-height:1.45;}
.mix-card p{font-size:14.5px;color:var(--text-sub);line-height:1.75;}
.mix-card .go{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);}

/* ============ 数字带 ============ */
.stat-band{
  background:linear-gradient(120deg,#123B72 0%,#0E2E5C 58%,#0B2649 100%);
  border-radius:var(--radius-lg);padding:44px 28px;color:#fff;
  box-shadow:0 30px 60px -30px rgba(14,46,92,.7);
  position:relative;overflow:hidden;
}
.stat-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,163,154,.42),rgba(18,163,154,0) 68%);
}
.stat-band-inner{position:relative;z-index:2;display:grid;gap:28px;grid-template-columns:1fr;}
@media (min-width:768px){.stat-band-inner{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.stat-band-inner{grid-template-columns:repeat(4,1fr);}}
.stat-item{border-left:1px solid rgba(255,255,255,.16);padding-left:20px;}
.stat-item strong{display:block;font-size:34px;font-weight:700;line-height:1.15;letter-spacing:-1px;}
.stat-item em{font-style:normal;color:#9FBEE0;font-size:14px;display:block;margin-top:6px;}
.stat-item span{display:block;color:#C6D8EE;font-size:13.5px;line-height:1.7;margin-top:10px;}
@media (max-width:640px){
  .stat-item{border-left:none;padding-left:0;border-top:1px solid rgba(255,255,255,.16);padding-top:16px;}
  .stat-item:first-child{border-top:none;padding-top:0;}
}

/* ============ FAQ ============ */
.faq-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media (min-width:1024px){.faq-grid{grid-template-columns:4fr 8fr;gap:48px;}}
.faq-aside p{color:var(--text-sub);font-size:15px;margin-top:12px;max-width:320px;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--line-card);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.faq-item:hover{border-color:#C9DCF3;box-shadow:var(--shadow-2);}
.faq-item summary{
  list-style:none;cursor:pointer;min-height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:15px 22px;font-size:16px;font-weight:600;color:var(--ink-blue);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .caret{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
}
.faq-item[open] summary .caret{transform:rotate(180deg);background:var(--brand);color:#fff;}
.faq-item .panel{padding:0 22px 20px;color:var(--text-sub);font-size:15px;line-height:1.8;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background-image:linear-gradient(105deg,rgba(14,46,92,.94) 0%,rgba(14,46,92,.80) 55%,rgba(14,46,92,.55) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:52px 28px;color:#fff;
}
@media (min-width:768px){.cta-band{padding:64px 48px;}}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);line-height:1.3;margin-bottom:14px;max-width:640px;}
.cta-band p{color:#C6D8EE;font-size:15.5px;line-height:1.8;max-width:600px;margin-bottom:28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-blue);color:#C9D8EC;padding:60px 0 26px;margin-top:20px;}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:2.2fr 1fr 1fr 1fr 1fr;gap:28px;}}
.footer-brand .logo-name{color:#fff;}
.footer-brand .logo-sub{color:#8FB0D6;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#A9C2E0;max-width:320px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#C9D8EC;transition:color .25s var(--ease);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:#8FB0D6;
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.22);color:#DCE9FA;font-size:13px;
  transition:background .25s var(--ease),color .25s var(--ease);
}
.back-top:hover{background:rgba(255,255,255,.14);color:#fff;}

/* roulang page: article */
:root{
  --brand:#1C5FB4;
  --brand-dark:#17539F;
  --ink-blue:#0E2E5C;
  --soft:#EAF1FB;
  --teal:#12A39A;
  --orange:#E8762B;
  --text:#10233D;
  --sub:#44586F;
  --muted:#8496A9;
  --line:#E5EDF6;
  --page:#F6F8FC;
  --card:#FFFFFF;
  --r-sm:10px;
  --r-card:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,46,92,.05);
  --sh-2:0 18px 40px -18px rgba(16,46,92,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 16px}
@media(min-width:640px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 40px}}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:box-shadow .3s var(--ease),background .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{
  box-shadow:0 10px 28px -16px rgba(16,46,92,.35);
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(160%) blur(10px);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:70px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand),var(--teal));
  color:#fff;font-weight:700;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px -10px rgba(28,95,180,.75);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-name{font-size:16px;font-weight:700;color:var(--ink-blue);letter-spacing:.2px}
.logo-sub{font-size:12px;color:var(--muted)}
.nav-links{display:none;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;padding:8px 12px;border-radius:var(--r-sm);
  font-size:15px;color:var(--sub);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--soft)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:none;align-items:center;gap:8px;
  height:42px;width:260px;padding:0 16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  color:var(--muted);transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(28,95,180,.14);color:var(--brand)}
.search-box input{width:100%;border:0;outline:0;background:transparent;font-size:14px;color:var(--text)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px -14px rgba(28,95,180,.85)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(28,95,180,.9)}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid rgba(28,95,180,.35)}
.btn-ghost:hover{background:var(--soft);border-color:var(--brand);transform:translateY(-2px)}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 12px 26px -14px rgba(232,118,43,.85)}
.btn-orange:hover{background:#d2661c;transform:translateY(-2px)}
.burger{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);color:var(--ink-blue);background:#fff;
}
.burger:hover{background:var(--soft);color:var(--brand)}
@media(min-width:1024px){
  .nav-links{display:flex}
  .search-box{display:flex}
  .burger{display:none}
}
.drawer{
  position:fixed;inset:0;z-index:80;display:none;
  background:rgba(14,46,92,.45);
}
.drawer.open{display:block}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(88vw,360px);height:100%;
  background:#fff;padding:20px;overflow-y:auto;
  box-shadow:-20px 0 50px -20px rgba(16,46,92,.5);
  animation:slideIn .3s var(--ease) both;
}
@keyframes slideIn{from{transform:translateX(100%)}to{transform:translateX(0)}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-blue)}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--page);color:var(--muted);margin-bottom:18px}
.drawer-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-nav a{padding:13px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--sub)}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--soft);color:var(--brand);font-weight:600}

/* ============ article hero ============ */
.page-hero{
  position:relative;
  padding:34px 0 42px;
  background:
    linear-gradient(180deg,rgba(14,46,92,.94) 0%,rgba(14,46,92,.86) 55%,rgba(14,46,92,.55) 100%),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  color:#fff;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:84px;
  background:linear-gradient(180deg,rgba(246,248,252,0) 0%,rgba(246,248,252,.92) 70%,var(--page) 100%);
  pointer-events:none;
}
.breadcrumb{position:relative;z-index:2;font-size:13px;color:rgba(201,216,236,.92)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.breadcrumb li{display:inline-flex;align-items:center;gap:6px}
.breadcrumb li+li::before{content:"/";color:rgba(201,216,236,.55)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}

/* ============ article shell ============ */
.article-wrap{padding:0 0 56px;margin-top:-26px;position:relative;z-index:3}
.article-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:1024px){
  .article-grid{grid-template-columns:minmax(0,1fr) 320px;gap:32px}
  .article-wrap{padding:0 0 80px}
}
.article-card{
  background:var(--card);border:1px solid #E7EEF7;border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:28px 22px 34px;
}
@media(min-width:768px){.article-card{padding:40px 44px 48px}}
.article-head{max-width:820px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1.6;
}
.badge-brand{background:rgba(28,95,180,.1);color:var(--brand)}
.badge-teal{background:rgba(18,163,154,.12);color:#0d857e}
.article-title{
  margin-top:16px;
  font-size:clamp(24px,3.2vw,38px);
  line-height:1.3;font-weight:700;color:var(--ink-blue);
  letter-spacing:.2px;
}
.article-meta{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:13px;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFDCEC}
.article-meta strong{color:var(--sub);font-weight:600}
.article-lead{
  margin-top:22px;padding:16px 18px;
  background:linear-gradient(90deg,rgba(28,95,180,.07),rgba(18,163,154,.05));
  border-left:3px solid var(--brand);border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:15px;color:var(--sub);line-height:1.85;
}

/* ============ long-form body ============ */
.article-body{
  max-width:760px;margin-top:30px;
  font-size:16.2px;line-height:1.9;color:#1B3350;
  word-wrap:break-word;overflow-wrap:break-word;
}
.article-body > *+*{margin-top:18px}
.article-body h2{
  margin-top:38px;margin-bottom:14px;
  font-size:clamp(20px,2.3vw,26px);line-height:1.4;font-weight:700;color:var(--ink-blue);
  padding-left:14px;border-left:4px solid var(--brand);border-radius:2px;
}
.article-body h3{
  margin-top:28px;margin-bottom:10px;
  font-size:18.5px;line-height:1.5;font-weight:700;color:var(--ink-blue);
}
.article-body h4{margin-top:22px;font-size:16.5px;font-weight:700;color:var(--brand)}
.article-body p{margin-top:16px}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(28,95,180,.35)}
.article-body a:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark)}
.article-body strong{color:var(--ink-blue);font-weight:700}
.article-body ul,.article-body ol{margin-top:16px;padding-left:2px}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:22px;margin-top:10px;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:13px;
  width:7px;height:7px;border-radius:50%;background:var(--brand);
}
.article-body ol{counter-reset:item}
.article-body ol li{counter-increment:item}
.article-body ol li::before{
  content:counter(item);position:absolute;left:0;top:5px;
  width:20px;height:20px;border-radius:6px;background:var(--soft);color:var(--brand);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin-top:22px;padding:16px 20px;
  background:var(--page);border-left:3px solid var(--teal);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--sub);font-size:15.4px;
}
.article-body img{border-radius:var(--r-card);margin-top:22px;width:100%;height:auto;background:#E8F0FB}
.article-body figure{margin-top:22px}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--muted);text-align:center}
.article-body table{
  width:100%;border-collapse:collapse;margin-top:22px;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--soft);color:var(--ink-blue);font-weight:700}
.article-body tr:last-child td{border-bottom:0}
.article-body code{
  background:var(--soft);color:var(--brand-dark);
  padding:2px 6px;border-radius:6px;font-size:14px;
}
.article-body hr{margin:32px 0;border:0;border-top:1px solid var(--line)}

/* ============ empty state ============ */
.article-empty{
  max-width:760px;margin-top:30px;padding:44px 24px;text-align:center;
  border:1.5px dashed #BFD3EA;border-radius:var(--r-card);background:var(--page);
}
.article-empty svg{color:var(--brand);margin:0 auto 14px}
.article-empty h2{font-size:19px;color:var(--ink-blue);font-weight:700}
.article-empty p{margin-top:8px;font-size:14.5px;color:var(--sub)}
.article-empty .btn{margin-top:18px}

/* ============ tags ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--page);border:1px solid var(--line);
  font-size:13px;color:var(--sub);
  transition:all .25s var(--ease);
}
.tag:hover{background:var(--soft);border-color:rgba(28,95,180,.4);color:var(--brand);transform:translateY(-1px)}

/* ============ prev / next ============ */
.pn-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:28px}
@media(min-width:640px){.pn-grid{grid-template-columns:1fr 1fr}}
.pn-card{
  display:block;padding:18px 20px;background:var(--card);
  border:1px solid #E7EEF7;border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.pn-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9DDF5}
.pn-label{font-size:12.5px;color:var(--muted);letter-spacing:.4px}
.pn-title{margin-top:6px;font-size:15.5px;font-weight:600;color:var(--ink-blue);line-height:1.6}
.pn-card.next{text-align:right}

/* ============ sidebar ============ */
.side-card{
  background:var(--card);border:1px solid #E7EEF7;border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:22px;
}
.side-card+.side-card{margin-top:24px}
.side-title{font-size:16px;font-weight:700;color:var(--ink-blue);padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-list{margin-top:6px}
.side-list li{border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:0}
.side-list a{display:block;padding:13px 0;font-size:14.6px;color:var(--sub);line-height:1.65}
.side-list a:hover{color:var(--brand)}
.side-list .side-meta{display:block;margin-top:4px;font-size:12.5px;color:var(--muted)}
.cta-side{
  background:linear-gradient(150deg,var(--ink-blue),var(--brand));
  border-radius:var(--r-lg);padding:24px;color:#fff;box-shadow:var(--sh-2);
}
.cta-side h3{font-size:18px;font-weight:700;line-height:1.5}
.cta-side p{margin-top:10px;font-size:14px;color:rgba(226,237,250,.9);line-height:1.8}
.cta-side .btn{margin-top:16px;width:100%}

/* ============ related ============ */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:80px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.section-title{font-size:clamp(21px,2.4vw,30px);font-weight:700;color:var(--ink-blue);line-height:1.35}
.section-desc{margin-top:8px;font-size:14.5px;color:var(--sub)}
.text-link{font-size:14.5px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--brand-dark);gap:10px}
.card-grid{display:grid;grid-template-columns:1fr;gap:22px;margin-top:28px}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid #E7EEF7;border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9DDF5}
.card-thumb{position:relative;aspect-ratio:16/10;background:#E8F0FB;overflow:hidden}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.card-title{margin-top:10px;font-size:17px;font-weight:700;color:var(--ink-blue);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-text{margin-top:10px;font-size:14.4px;color:var(--sub);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;padding-top:14px;font-size:12.6px;color:var(--muted);display:flex;align-items:center;gap:10px}

/* ============ back to channel ============ */
.return-band{
  margin-top:12px;padding:28px 24px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,var(--soft),#F3F8FF);
  border:1px solid #DCE9F9;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.return-band h3{font-size:18px;font-weight:700;color:var(--ink-blue)}
.return-band p{margin-top:6px;font-size:14.4px;color:var(--sub);max-width:640px}
.return-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ footer ============ */
.site-footer{background:var(--ink-blue);color:#C9D8EC;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:26px;padding:52px 0 34px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:22px}}
.footer-brand .logo-mark{width:36px;height:36px}
.footer-brand .logo-name{color:#fff}
.footer-brand .logo-sub{color:rgba(201,216,236,.75)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(201,216,236,.85);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:14px}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:rgba(201,216,236,.85)}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:18px 0 26px;border-top:1px solid rgba(201,216,236,.18);
  font-size:13px;color:rgba(201,216,236,.72);
}
.back-top{display:inline-flex;align-items:center;gap:6px;color:rgba(201,216,236,.85)}
.back-top:hover{color:#fff;text-decoration:underline}

/* roulang page: category1 */
:root{
  --brand:#1C5FB4;
  --brand-dark:#17539F;
  --ink-blue:#0E2E5C;
  --tint:#EAF1FB;
  --teal:#12A39A;
  --orange:#E8762B;
  --ink:#10233D;
  --sub:#44586F;
  --muted:#8496A9;
  --line:#E5EDF6;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --r-sm:10px;
  --r-card:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,46,92,.05);
  --sh-2:0 18px 40px -18px rgba(16,46,92,.28);
  --t:300ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{max-width:1240px;margin:0 auto;padding:0 16px;}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 40px;}}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:70;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t),background var(--t),backdrop-filter var(--t);
}
.site-header.is-scrolled{
  box-shadow:0 10px 30px -18px rgba(16,46,92,.35);
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand) 0%,var(--teal) 100%);
  color:#fff;font-weight:700;font-size:17px;letter-spacing:.5px;
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-name{font-size:16.5px;font-weight:700;color:var(--ink-blue);white-space:nowrap;}
.logo-sub{font-size:11.5px;color:var(--muted);letter-spacing:.2px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-block;padding:9px 12px;border-radius:var(--r-sm);
  font-size:15px;color:var(--sub);font-weight:500;transition:color var(--t),background var(--t);
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--tint);}
.nav-link.active{color:var(--brand);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;width:250px;height:42px;padding:0 16px;
  border-radius:var(--r-pill);background:#F1F5FB;border:1px solid transparent;
  color:var(--muted);transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.search-box input{width:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);}
.search-box input::placeholder{color:var(--muted);}
.search-box:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(28,95,180,.12);color:var(--brand);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px -14px rgba(28,95,180,.8);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--brand);border-color:#C8DCF5;}
.btn-outline:hover{border-color:var(--brand);background:var(--tint);transform:translateY(-2px);}
.btn-ghost{color:var(--brand);font-weight:600;padding:0 6px;height:auto;}
.btn-ghost:hover{color:var(--brand-dark);text-decoration:underline;}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--ink-blue);background:#fff;
}
.burger:hover{background:var(--tint);border-color:#C8DCF5;}

/* mobile drawer */
.drawer{position:fixed;inset:0;z-index:90;background:#fff;display:none;flex-direction:column;padding:18px 20px 32px;overflow-y:auto;}
.drawer.open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-blue);}
.drawer .search-box{width:100%;margin-bottom:18px;}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
.drawer-links a{padding:13px 14px;border-radius:12px;font-size:16px;color:var(--sub);font-weight:500;}
.drawer-links a.active{background:var(--tint);color:var(--brand);font-weight:700;}
.drawer-links a:hover{background:var(--tint);color:var(--brand);}
.drawer .btn{width:100%;}

@media(max-width:1279px){
  .nav-links{gap:0;}
  .nav-link{padding:9px 9px;font-size:14.5px;}
  .search-box{width:200px;}
}
@media(max-width:1023px){
  .nav-links{display:none;}
  .search-box{display:none;}
  .nav-cta{display:none;}
  .burger{display:flex;}
}
@media(max-width:639px){
  .logo-sub{display:none;}
  .logo-name{font-size:15px;}
}

/* ============ page hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#F2F7FE 0%,#EAF1FB 52%,#F7FAFE 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-90px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(18,163,154,.16),rgba(18,163,154,0) 68%);
  pointer-events:none;
}
.page-hero-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;opacity:.14;pointer-events:none;
}
.page-hero-inner{position:relative;padding:34px 0 46px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:#C3D2E4;}
.breadcrumb a{color:var(--sub);}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid #D8E6F8;color:var(--brand);font-size:13px;font-weight:600;
  box-shadow:var(--sh-1);margin-bottom:16px;
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);}
.page-hero h1{
  font-size:clamp(28px,4.4vw,44px);line-height:1.22;font-weight:700;color:var(--ink-blue);
  letter-spacing:-.4px;max-width:880px;margin-bottom:16px;
}
.page-hero p.lede{font-size:16.5px;line-height:1.85;color:var(--sub);max-width:800px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:26px;}
.hero-fact{display:flex;flex-direction:column;gap:2px;}
.hero-fact b{font-size:24px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-fact span{font-size:13px;color:var(--muted);}

/* ============ toolbar ============ */
.toolbar-wrap{background:#fff;border-bottom:1px solid var(--line);}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0;flex-wrap:wrap;}
.toolbar-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.toolbar-label{font-size:13px;color:var(--muted);}
.chips{display:flex;gap:8px;flex-wrap:wrap;}
.chip{
  height:36px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;font-size:13.5px;color:var(--sub);font-weight:500;
  transition:all var(--t);
}
.chip:hover{border-color:#BBD4F1;color:var(--brand);background:#F7FAFE;}
.chip.is-active{background:var(--tint);border-color:#BFD8F5;color:var(--brand);font-weight:700;}
.result-count{font-size:13.5px;color:var(--muted);}
.result-count b{color:var(--brand);font-variant-numeric:tabular-nums;}

/* ============ layout ============ */
main{display:block;}
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:72px 0;}}
@media(min-width:1024px){.section{padding:88px 0;}}
.layout{display:grid;grid-template-columns:1fr;gap:28px;align-items:start;}
@media(min-width:1024px){.layout{grid-template-columns:272px minmax(0,1fr);gap:32px;}}

/* ============ filter panel ============ */
.filter-panel{
  background:var(--card);border:1px solid #E7EEF7;border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:22px;
}
@media(min-width:1024px){.filter-panel{position:sticky;top:88px;}}
.filter-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.filter-head h2{font-size:17px;font-weight:700;color:var(--ink-blue);}
.filter-reset{font-size:13px;color:var(--muted);}
.filter-reset:hover{color:var(--brand);text-decoration:underline;}
.filter-group{padding-top:18px;margin-top:18px;border-top:1px solid var(--line);}
.filter-group h3{font-size:13px;letter-spacing:.4px;color:var(--muted);font-weight:600;margin-bottom:12px;}
.check{display:flex;align-items:center;gap:10px;padding:7px 0;font-size:14.5px;color:var(--sub);cursor:pointer;}
.check input{width:17px;height:17px;accent-color:var(--brand);cursor:pointer;flex-shrink:0;}
.check:hover{color:var(--brand);}
.filter-note{
  margin-top:22px;padding:16px;border-radius:14px;background:var(--tint);
  font-size:13.5px;line-height:1.75;color:var(--brand-dark);
}
.filter-note a{font-weight:700;color:var(--brand);text-decoration:underline;}
@media(max-width:1023px){
  .filter-group{display:inline-block;width:100%;}
}

/* ============ card grid ============ */
.grid-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap;}
.grid-head h2{font-size:clamp(20px,2.3vw,26px);font-weight:700;color:var(--ink-blue);line-height:1.35;}
.grid-head p{font-size:14.5px;color:var(--muted);margin-top:6px;max-width:560px;}
.card-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid #E7EEF7;
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BFD8F5;}
.card-media{
  position:relative;aspect-ratio:16/10;background:#E8F0FB;overflow:hidden;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .badge{position:absolute;left:12px;top:12px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:var(--tint);color:var(--brand);white-space:nowrap;
  backdrop-filter:blur(2px);
}
.badge-teal{background:rgba(18,163,154,.12);color:#0E8079;}
.badge-solid{background:#fff;box-shadow:var(--sh-1);}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.card-body h3{
  font-size:18px;line-height:1.45;font-weight:700;color:var(--ink-blue);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card-body h3{color:var(--brand);}
.card-body p{
  font-size:14.5px;line-height:1.75;color:var(--sub);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);
  padding-top:14px;border-top:1px solid var(--line);font-variant-numeric:tabular-nums;
}
.card-meta span{display:inline-flex;align-items:center;gap:6px;}

/* ============ pagination ============ */
.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:38px;flex-wrap:wrap;}
.page-btn{
  min-width:40px;height:40px;padding:0 12px;border-radius:12px;border:1px solid var(--line);
  background:#fff;font-size:14px;color:var(--sub);font-weight:500;display:grid;place-items:center;
  transition:all var(--t);font-variant-numeric:tabular-nums;
}
.page-btn:hover{border-color:#BBD4F1;color:var(--brand);background:#F7FAFE;}
.page-btn.is-current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700;}
.page-btn[disabled]{opacity:.45;cursor:not-allowed;}

/* ============ band (深色交替) ============ */
.band{background:var(--ink-blue);color:#D6E3F5;position:relative;overflow:hidden;}
.band::after{
  content:"";position:absolute;left:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(28,95,180,.55),rgba(28,95,180,0) 70%);
}
.band-inner{position:relative;display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:1024px){.band-inner{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:center;}}
.band h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;color:#fff;margin-bottom:14px;}
.band p{font-size:15.5px;line-height:1.85;color:#B9CCE6;max-width:520px;}
.band-steps{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:640px){.band-steps{grid-template-columns:repeat(2,minmax(0,1fr));}}
.step{
  padding:20px 20px 18px;border-radius:var(--r-card);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  transition:background var(--t),transform var(--t),border-color var(--t);
}
.step:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24);transform:translateY(-3px);}
.step-index{
  display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:10px;
  background:rgba(232,118,43,.9);color:#fff;font-size:14px;font-weight:700;margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:16.5px;font-weight:700;color:#fff;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.75;color:#B9CCE6;margin:0;}

/* ============ faq ============ */
.faq-grid{display:grid;grid-template-columns:1fr;gap:26px;}
@media(min-width:1024px){.faq-grid{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;}}
.faq-aside h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;color:var(--ink-blue);line-height:1.3;margin-bottom:12px;}
.faq-aside p{font-size:15px;color:var(--sub);max-width:340px;}
.faq-aside .btn{margin-top:22px;}
.faq-list{background:#fff;border:1px solid #E7EEF7;border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 24px;font-size:16px;font-weight:600;color:var(--ink-blue);
  cursor:pointer;list-style:none;transition:background var(--t),color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#F8FBFF;color:var(--brand);}
.faq-item summary .arrow{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--tint);color:var(--brand);
  display:grid;place-items:center;transition:transform var(--t),background var(--t);
}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary .arrow{transform:rotate(180deg);background:var(--brand);color:#fff;}
.faq-body{padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--sub);}

/* ============ cta ============ */
.cta-box{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(115deg,#17539F 0%,#1C5FB4 52%,#12897F 100%);
  color:#fff;padding:44px 28px;box-shadow:0 26px 60px -30px rgba(14,46,92,.7);
}
@media(min-width:768px){.cta-box{padding:56px 56px;}}
.cta-box::after{
  content:"";position:absolute;right:-80px;top:-100px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 70%);
}
.cta-inner{position:relative;max-width:660px;}
.cta-box h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.32;margin-bottom:14px;}
.cta-box p{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.86);margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn-white{background:#fff;color:var(--brand);}
.btn-white:hover{background:#EAF1FB;transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px);}

/* ============ footer ============ */
.site-footer{background:var(--ink-blue);color:#C9D8EC;margin-top:12px;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr repeat(4,minmax(0,1fr));gap:38px;}}
.footer-brand .logo-mark{background:linear-gradient(135deg,#2E7BD6,#12A39A);}
.footer-brand .logo-name{color:#fff;}
.footer-brand .logo-sub{color:#8FA9CC;}
.footer-brand p{font-size:14px;line-height:1.8;color:#9FB6D4;margin-top:16px;max-width:320px;}
.footer-col h4{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.3px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:#C9D8EC;transition:color var(--t);}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA9CC;
}
.back-top{display:inline-flex;align-items:center;gap:7px;color:#C9D8EC;font-size:13px;}
.back-top:hover{color:#fff;text-decoration:underline;}

@media(max-width:639px){
  .page-hero h1{font-size:30px;}
  .hero-fact b{font-size:21px;}
  .section{padding:44px 0;}
  .card-body h3{font-size:17px;}
  .cta-box h2{font-size:23px;}
}

/* roulang page: category3 */
:root{
  --primary:#1C5FB4;
  --primary-dark:#17539F;
  --ink-blue:#0E2E5C;
  --primary-soft:#EAF1FB;
  --teal:#12A39A;
  --orange:#E8762B;
  --text:#10233D;
  --text-sub:#44586F;
  --text-weak:#8496A9;
  --line:#E5EDF6;
  --card-line:#E7EEF7;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:22px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(16,46,92,.05);
  --shadow-2:0 18px 40px -18px rgba(16,46,92,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;color:var(--ink-blue)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;background:#E8F0FB}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1200px){.container{padding:0 40px}}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(160%) blur(8px);
  transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 28px -20px rgba(16,46,92,.55);background:rgba(255,255,255,.9)}
.nav-inner{display:flex;align-items:center;gap:18px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:42px;height:42px;border-radius:12px;color:#fff;display:grid;place-items:center;
  font-weight:700;font-size:20px;letter-spacing:.5px;
  background:linear-gradient(135deg,#1C5FB4 0%,#12A39A 100%);
  box-shadow:0 10px 20px -12px rgba(28,95,180,.9);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-name{font-size:16px;font-weight:700;color:var(--ink-blue)}
.logo-sub{font-size:11.5px;color:var(--text-weak)}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.nav-link{
  position:relative;padding:9px 13px;border-radius:10px;font-size:15px;color:var(--text-sub);
  transition:color .25s var(--ease),background .25s var(--ease);white-space:nowrap;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:-10px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.search-box{
  display:flex;align-items:center;gap:8px;width:250px;height:40px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--pill);background:#fff;color:var(--text-weak);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(28,95,180,.14)}
.search-box input{border:0;outline:0;background:transparent;font-size:14px;color:var(--text);width:100%}
.search-box input::placeholder{color:var(--text-weak)}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;color:var(--ink-blue);
}
.burger:hover{border-color:var(--primary);color:var(--primary)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--pill);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease),color .3s var(--ease);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 26px -16px rgba(28,95,180,.95)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--primary);border-color:#C7DAF1}
.btn-ghost:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px)}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;display:none;flex-direction:column;gap:18px;
  background:#fff;padding:20px 18px 28px;overflow-y:auto;
}
.drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink-blue);
}
.drawer-links{display:flex;flex-direction:column;gap:6px}
.drawer-links a{
  padding:13px 14px;border-radius:12px;font-size:16px;color:var(--text-sub);
  border:1px solid transparent;display:flex;align-items:center;justify-content:space-between;
}
.drawer-links a:hover{background:var(--primary-soft);color:var(--primary)}
.drawer-links a.active{color:var(--primary);font-weight:600;background:var(--primary-soft);border-color:#D3E3F7}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;color:#fff;padding:34px 0 56px;
  background:
    linear-gradient(92deg,rgba(14,46,92,.95) 0%,rgba(14,46,92,.86) 46%,rgba(14,46,92,.42) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);flex-wrap:wrap}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb .sep{color:rgba(255,255,255,.4)}
.breadcrumb [aria-current="page"]{color:#fff}
.hero-tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;margin-top:22px;
  border-radius:var(--pill);font-size:12.5px;letter-spacing:.4px;
  background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.24);
}
.page-hero h1{font-size:clamp(26px,3.8vw,44px);color:#fff;margin:16px 0 14px;max-width:760px}
.hero-lead{max-width:720px;font-size:15.5px;line-height:1.9;color:rgba(255,255,255,.86)}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.stat{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  border-radius:14px;padding:12px 18px;min-width:150px;
}
.stat-num{font-size:20px;font-weight:700;color:#fff;line-height:1.3}
.stat-label{font-size:12.5px;color:rgba(255,255,255,.7)}

/* ---------- toolbar ---------- */
.toolbar-wrap{position:relative;z-index:5;margin-top:-30px}
.toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background:var(--card);border:1px solid var(--card-line);border-radius:var(--radius-md);
  padding:12px 16px;box-shadow:0 14px 34px -24px rgba(16,46,92,.5);
}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  height:34px;padding:0 14px;border-radius:var(--pill);border:1px solid var(--line);background:#fff;
  color:var(--text-sub);font-size:13.5px;display:inline-flex;align-items:center;
  transition:border-color .25s var(--ease),color .25s var(--ease),background .25s var(--ease);
}
.chip:hover{border-color:var(--primary);color:var(--primary)}
.chip.active{background:var(--primary);border-color:var(--primary);color:#fff}
.toolbar-meta{font-size:13px;color:var(--text-weak)}

/* ---------- sections ---------- */
.section{padding:56px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--line)}
.section-title{font-size:clamp(22px,2.6vw,32px)}
.section-sub{margin-top:10px;font-size:15px;color:var(--text-sub);max-width:780px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--primary);white-space:nowrap}
.link-more:hover{color:var(--primary-dark);text-decoration:underline}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:32px}
.timeline::before{
  content:"";position:absolute;left:27px;top:14px;bottom:14px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(28,95,180,.85) 0%,rgba(28,95,180,.4) 55%,rgba(200,220,240,.9) 100%);
}
.timeline-item{position:relative;padding-left:86px;margin-bottom:22px}
.timeline-item:last-child{margin-bottom:0}
.timeline-index{
  position:absolute;left:0;top:2px;z-index:1;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;
  background:#fff;border:2px solid rgba(28,95,180,.32);color:var(--primary);
  box-shadow:0 10px 20px -14px rgba(16,46,92,.7);
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
}
.timeline-card{
  background:var(--card);border:1px solid var(--card-line);border-radius:var(--radius-md);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.timeline-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#BFD7F2}
.timeline-item:hover .timeline-index{background:var(--primary);border-color:var(--primary);color:#fff}
.timeline-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.card-title{font-size:19px;line-height:1.4}
.card-title a:hover{color:var(--primary)}
.meta-line{font-size:13px;color:var(--text-weak);white-space:nowrap}
.timeline-text{margin-top:10px;font-size:15.5px;line-height:1.85;color:var(--text-sub);max-width:780px}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;
  font-size:12.5px;font-weight:500;background:var(--primary-soft);color:var(--primary);
}
.tag-teal{background:#E3F5F3;color:#0E8A82}
.tag-orange{background:#FCEFE5;color:#C25E17}

/* ---------- pager ---------- */
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:38px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:40px;height:40px;padding:0 15px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--pill);border:1px solid var(--line);background:#fff;color:var(--text-sub);font-size:14px;
  transition:border-color .25s var(--ease),color .25s var(--ease),background .25s var(--ease);
}
.pager a:hover{border-color:var(--primary);color:var(--primary)}
.pager .current{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}

/* ---------- band ---------- */
.band{margin-top:64px;padding:56px 0;background:linear-gradient(180deg,#EAF1FB 0%,#F6F8FC 100%)}
.band-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media (min-width:1024px){.band-grid{grid-template-columns:1fr 1.05fr;gap:52px}}
.band-figure{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);background:#E8F0FB;aspect-ratio:16/10}
.band-figure img{width:100%;height:100%;object-fit:cover}
.point-list{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.point{
  display:flex;gap:14px;background:#fff;border:1px solid var(--card-line);border-radius:var(--radius-md);
  padding:18px 20px;box-shadow:var(--shadow-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.point:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#BFD7F2}
.point-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
}
.point h3{font-size:16.5px}
.point p{margin-top:6px;font-size:14.5px;color:var(--text-sub);line-height:1.8}

/* ---------- faq ---------- */
.faq-grid{display:grid;gap:24px}
@media (min-width:1024px){.faq-grid{grid-template-columns:4fr 8fr;gap:52px;align-items:start}}
.faq-aside h2{font-size:clamp(22px,2.6vw,32px)}
.faq-aside p{margin-top:12px;font-size:15px;color:var(--text-sub)}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--card-line);border-radius:14px;box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.faq-item[open]{border-color:#BFD7F2;box-shadow:var(--shadow-2)}
.faq-item summary{
  list-style:none;cursor:pointer;min-height:56px;padding:16px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--ink-blue);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--primary);color:#fff}
.faq-a{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-sub)}

/* ---------- cta ---------- */
.cta-card{
  border-radius:var(--radius-lg);padding:40px 26px;color:#fff;display:grid;gap:26px;
  background:linear-gradient(118deg,#0E2E5C 0%,#17457F 52%,#1C5FB4 100%);
  box-shadow:0 26px 60px -34px rgba(14,46,92,.75);
}
@media (min-width:900px){.cta-card{grid-template-columns:1fr auto;align-items:center;padding:56px}}
.cta-card h2{color:#fff;font-size:clamp(22px,2.4vw,30px)}
.cta-card p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.84);max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{background:#EAF1FB;transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.12);transform:translateY(-2px)}

/* ---------- footer ---------- */
.site-footer{margin-top:72px;background:var(--ink-blue);color:#C9D8EC;padding:64px 0 0}
.footer-grid{display:grid;gap:32px}
@media (min-width:900px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:40px}}
.footer-brand .logo-name{color:#fff}
.footer-brand .logo-sub{color:rgba(201,216,236,.7)}
.footer-brand p{margin-top:16px;max-width:330px;font-size:14px;line-height:1.85;color:rgba(201,216,236,.82)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(201,216,236,.84);transition:color .25s var(--ease)}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(201,216,236,.72);
}
.back-top{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:#fff}
.back-top:hover{text-decoration:underline}

/* ---------- responsive ---------- */
@media (max-width:1099px){
  .search-box{width:190px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .search-box{display:none}
  .burger{display:inline-flex}
  .nav-inner{justify-content:space-between}
}
@media (max-width:640px){
  .nav-inner{height:62px;gap:12px}
  .logo-sub{display:none}
  .logo-name{font-size:15px}
  .nav-cta{display:none}
  .page-hero{padding:24px 0 46px}
  .hero-stats{gap:10px}
  .stat{min-width:130px;padding:10px 14px}
  .timeline-item{padding-left:64px;margin-bottom:18px}
  .timeline::before{left:21px}
  .timeline-index{width:44px;height:44px;font-size:15px}
  .timeline-card{padding:18px 16px}
  .card-title{font-size:17px}
  .section{padding:44px 0 0}
  .band{padding:44px 0;margin-top:52px}
  .cta-card{padding:32px 20px}
  .footer-bottom{justify-content:flex-start}
}

/* roulang page: category2 */
:root{
  --brand:#1C5FB4;
  --brand-dark:#17539F;
  --brand-soft:#EAF1FB;
  --brand-line:#BBD3F0;
  --ink-blue:#0E2E5C;
  --teal:#12A39A;
  --teal-soft:#E6F6F4;
  --orange:#E8762B;
  --text:#10233D;
  --text-2:#44586F;
  --text-3:#8496A9;
  --line:#E5EDF6;
  --line-2:#E7EEF7;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --skeleton:#E8F0FB;
  --r-sm:10px;
  --r:16px;
  --r-lg:22px;
  --pill:999px;
  --sh-1:0 1px 2px rgba(16,46,92,.05);
  --sh-2:0 18px 40px -18px rgba(16,46,92,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.container{padding:0 24px}}
@media (min-width:1024px){.container{padding:0 40px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{
  box-shadow:0 10px 28px -18px rgba(16,46,92,.42);
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:70px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:38px;height:38px;flex:none;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--teal));
  color:#fff;display:grid;place-items:center;
  font-weight:700;font-size:18px;letter-spacing:.5px;
  box-shadow:0 8px 18px -10px rgba(28,95,180,.7);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-name{font-size:16px;font-weight:700;color:var(--ink-blue);letter-spacing:.2px}
.logo-sub{font-size:11.5px;color:var(--text-3)}

.nav-links{display:flex;align-items:center;gap:2px;margin-left:8px;flex:1}
.nav-link{
  position:relative;
  padding:9px 12px;border-radius:8px;
  font-size:14.5px;color:var(--text-2);
  transition:color .25s var(--ease),background .25s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-tools{display:flex;align-items:center;gap:12px;flex:none}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:260px;height:40px;padding:0 14px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--pill);
  color:var(--text-3);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.search-box input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--text-3)}
.search-box:focus-within{
  border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(28,95,180,.16);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--pill);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 24px -14px rgba(28,95,180,.9)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
.btn-outline:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-light{background:#fff;color:var(--brand);box-shadow:0 12px 24px -16px rgba(9,26,52,.8)}
.btn-light:hover{background:#EAF1FB}
.btn-outline-dark{background:transparent;color:var(--brand);border:1px solid var(--brand-line)}
.btn-outline-dark:hover{background:var(--brand-soft)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-lg{height:50px;padding:0 28px;font-size:15.5px}

.burger{
  display:none;width:42px;height:42px;border-radius:12px;
  place-items:center;color:var(--ink-blue);
  border:1px solid var(--line);background:#fff;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.burger:hover{background:var(--brand-soft);border-color:var(--brand-line)}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;
  background:#fff;padding:20px 20px 32px;
  display:flex;flex-direction:column;gap:20px;
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:transform .3s var(--ease),opacity .3s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  display:grid;place-items:center;font-size:22px;line-height:1;color:var(--text-2);
}
.drawer-close:hover{background:var(--brand-soft);color:var(--brand)}
.drawer .search-box{width:100%}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:14px 12px;border-radius:12px;font-size:16px;color:var(--text-2);
  border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-nav a.active{color:var(--brand);font-weight:600;background:var(--brand-soft)}
.drawer .btn{width:100%}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  padding:48px 0 56px;
  color:#fff;
  background-image:
    linear-gradient(102deg,rgba(14,46,92,.94) 0%,rgba(14,46,92,.78) 52%,rgba(18,163,154,.42) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:90px;
  background:linear-gradient(180deg,rgba(246,248,252,0) 0%,var(--bg) 92%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:rgba(255,255,255,.72)}
.breadcrumb li{display:flex;align-items:center;gap:6px}
.breadcrumb li+li::before{content:"/";color:rgba(255,255,255,.4)}
.breadcrumb a{color:rgba(255,255,255,.82);border-bottom:1px solid transparent;transition:border-color .25s var(--ease),color .25s var(--ease)}
.breadcrumb a:hover{color:#fff;border-color:rgba(255,255,255,.7)}
.breadcrumb [aria-current]{color:#fff;font-weight:600}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:22px;padding:6px 14px;border-radius:var(--pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  font-size:13px;letter-spacing:.6px;color:#EAF3FF;
}
.page-hero h1{
  margin-top:16px;
  font-size:clamp(26px,4vw,42px);
  line-height:1.24;font-weight:700;letter-spacing:.4px;
  max-width:820px;
}
.hero-lead{
  margin-top:16px;max-width:720px;
  font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.86);
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-meta span{
  padding:6px 14px;border-radius:var(--pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  font-size:13px;color:#DCE8F8;
}

/* ---------- section ---------- */
.section{padding:52px 0}
@media (min-width:768px){.section{padding:68px 0}}
@media (min-width:1024px){.section{padding:84px 0}}
.section-tight{padding-top:36px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  flex-wrap:wrap;
  padding-bottom:16px;border-bottom:1px solid var(--line);
  margin-bottom:28px;
}
.section-head h2{font-size:clamp(21px,2.5vw,30px);line-height:1.3;font-weight:700;color:var(--ink-blue)}
.section-head p{margin-top:8px;font-size:14.5px;color:var(--text-2);max-width:640px}
.section-more{
  font-size:14.5px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px solid transparent;transition:border-color .25s var(--ease),gap .25s var(--ease);
}
.section-more:hover{border-color:var(--brand);gap:10px}

/* ---------- band ---------- */
.band-inner{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--skeleton);
  aspect-ratio:16/6;
  box-shadow:var(--sh-2);
}
.band-inner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.band-inner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(14,46,92,.92) 0%,rgba(14,46,92,.6) 46%,rgba(14,46,92,.05) 100%);
}
.band-overlay{
  position:absolute;inset:0;z-index:2;
  display:flex;flex-direction:column;justify-content:center;gap:18px;
  padding:32px 36px;color:#fff;
}
.band-overlay h2{font-size:clamp(19px,2.3vw,27px);line-height:1.34;font-weight:700;max-width:560px}
.band-overlay p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.84);max-width:520px}
.band-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:4px}
.band-stat b{display:block;font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.5px}
.band-stat span{font-size:13px;color:rgba(255,255,255,.72)}

/* ---------- toolbar ---------- */
.toolbar{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--r);
  padding:14px 18px;box-shadow:var(--sh-1);
  margin-bottom:26px;
}
.toolbar-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.toolbar-label{font-size:13px;color:var(--text-3);letter-spacing:.4px}
.chip{
  padding:7px 15px;border-radius:var(--pill);
  border:1px solid var(--line);background:#fff;
  font-size:13.5px;color:var(--text-2);
  transition:all .25s var(--ease);
}
.chip:hover{border-color:var(--brand-line);color:var(--brand);background:var(--brand-soft)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.chip.is-active:hover{background:var(--brand-dark);color:#fff}

/* ---------- wide list ---------- */
.wide-list{display:grid;gap:22px}
.wide-item{
  display:grid;grid-template-columns:320px minmax(0,1fr);gap:28px;
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--r);
  padding:20px;box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.wide-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-line)}
.wide-thumb{
  position:relative;border-radius:12px;overflow:hidden;
  background:var(--skeleton);aspect-ratio:16/10;
}
.wide-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.wide-item:hover .wide-thumb img{transform:scale(1.04)}
.wide-body{display:flex;flex-direction:column;gap:12px;min-width:0}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--pill);
  font-size:12.5px;font-weight:600;letter-spacing:.3px;
  background:var(--brand-soft);color:var(--brand);
}
.badge-teal{background:var(--teal-soft);color:#0E8B84}
.badge-orange{background:#FDF0E6;color:#C25A16}
.wide-body h3{
  font-size:19px;line-height:1.45;font-weight:700;color:var(--ink-blue);
  transition:color .25s var(--ease);
}
.wide-item:hover .wide-body h3{color:var(--brand)}
.wide-body p{font-size:14.8px;line-height:1.8;color:var(--text-2)}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
  margin-top:auto;padding-top:10px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.meta-row span{display:inline-flex;align-items:center;gap:6px}

/* ---------- pager ---------- */
.pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin-top:38px}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--text-2);font-variant-numeric:tabular-nums;
  transition:all .25s var(--ease);
}
.pager a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.pager .is-disabled{color:var(--text-3);opacity:.6}

/* ---------- steps ---------- */
.steps-band{
  background:linear-gradient(120deg,#0E2E5C 0%,#17539F 62%,#12A39A 140%);
  border-radius:var(--r-lg);padding:38px 34px;color:#fff;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px;
  box-shadow:var(--sh-2);
}
.step-num{
  font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;
  color:#8FD6D0;letter-spacing:1px;
}
.step h3{margin-top:10px;font-size:17px;font-weight:700;line-height:1.45}
.step p{margin-top:8px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.78)}

/* ---------- habits ---------- */
.habit-panel{
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-1);
}
.habit-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 30px}
.habit-item{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:var(--text-2);line-height:1.7}
.habit-dot{
  flex:none;width:22px;height:22px;border-radius:8px;margin-top:3px;
  background:var(--teal-soft);color:#0E8B84;
  display:grid;place-items:center;font-size:13px;font-weight:700;
}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:38px}
.faq-side h2{font-size:clamp(21px,2.5vw,30px);line-height:1.3;font-weight:700;color:var(--ink-blue)}
.faq-side p{margin-top:12px;font-size:14.8px;color:var(--text-2);line-height:1.8}
.faq-side .btn{margin-top:20px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 2px;font-size:16px;font-weight:600;color:var(--ink-blue);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-chev{
  flex:none;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);
  transition:transform .3s var(--ease);
}
.faq-item[open] .faq-chev{transform:rotate(180deg)}
.faq-body{padding:2px 2px 20px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:760px}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(118deg,#17539F 0%,#1C5FB4 52%,#12A39A 120%);
  border-radius:var(--r-lg);padding:46px 40px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-2);
}
.cta-copy h2{font-size:clamp(21px,2.5vw,30px);line-height:1.32;font-weight:700}
.cta-copy p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.84);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:none}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-blue);color:#C9D8EC;margin-top:70px}
.footer-grid{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr 1fr;gap:32px;
  padding:56px 0 36px;
}
.footer-brand .logo-name{color:#fff}
.footer-brand .logo-sub{color:#9FB6D4}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#A9C0DC;max-width:320px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.3px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#C9D8EC;border-bottom:1px solid transparent;transition:color .25s var(--ease),border-color .25s var(--ease)}
.footer-col a:hover{color:#fff;border-color:rgba(255,255,255,.7)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#9FB6D4;
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--pill);
  border:1px solid rgba(255,255,255,.24);color:#DCE8F8;font-size:13px;
  transition:all .25s var(--ease);
}
.back-top:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5)}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav-links{display:none}
  .search-box{display:none}
  .burger{display:grid}
  .nav-inner{height:64px}
}
@media (max-width:1023px){
  .wide-item{grid-template-columns:240px minmax(0,1fr);gap:22px}
  .steps-band{grid-template-columns:repeat(2,minmax(0,1fr));padding:30px 26px}
  .faq-wrap{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px}
  .band-inner{aspect-ratio:16/8}
}
@media (max-width:639px){
  body{font-size:15.5px}
  .page-hero{padding:34px 0 44px}
  .wide-item{grid-template-columns:1fr;padding:16px}
  .wide-body h3{font-size:17.5px}
  .steps-band{grid-template-columns:1fr;padding:26px 20px;gap:22px}
  .habit-grid{grid-template-columns:1fr}
  .habit-panel{padding:22px}
  .band-inner{aspect-ratio:4/3}
  .band-overlay{padding:22px 20px;gap:12px}
  .band-overlay p{display:none}
  .band-stats{gap:18px}
  .band-stat b{font-size:20px}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 28px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .toolbar{padding:12px 14px}
  .cta-band{padding:30px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
}

/* roulang page: category4 */
:root{
  --brand:#1C5FB4;
  --brand-dark:#17539F;
  --ink-blue:#0E2E5C;
  --light:#EAF1FB;
  --teal:#12A39A;
  --orange:#E8762B;
  --ink:#10233D;
  --ink-2:#44586F;
  --ink-3:#8496A9;
  --line:#E5EDF6;
  --line-2:#E7EEF7;
  --page:#F6F8FC;
  --card:#FFFFFF;
  --skel:#E8F0FB;
  --radius-s:10px;
  --radius-c:16px;
  --radius-l:22px;
  --shadow-1:0 1px 2px rgba(16,46,92,.05);
  --shadow-2:0 18px 40px -18px rgba(16,46,92,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;border:0;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),border-color .25s var(--ease);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{font-weight:700;line-height:1.28;letter-spacing:.2px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 16px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:15.5px;
  font-weight:600;
  white-space:nowrap;
  transition:transform .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease),color .3s var(--ease);
}
.btn-sm{height:42px;padding:0 20px;font-size:14.5px;}
.btn-primary{
  background:var(--orange);
  color:#fff;
  box-shadow:0 10px 24px -12px rgba(232,118,43,.75);
}
.btn-primary:hover{background:#d7681f;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(232,118,43,.8);}
.btn-outline{
  border:1px solid rgba(255,255,255,.6);
  color:#fff;
  background:rgba(255,255,255,.06);
}
.btn-outline:hover{background:#fff;color:var(--ink-blue);border-color:#fff;transform:translateY(-2px);}
.btn-soft{
  background:var(--light);
  color:var(--brand);
  border:1px solid #D8E6F8;
}
.btn-soft:hover{background:#fff;border-color:var(--brand);transform:translateY(-2px);}
.btn-solid{
  background:var(--brand);
  color:#fff;
  box-shadow:0 12px 26px -14px rgba(28,95,180,.85);
}
.btn-solid:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-size:14.5px;
  font-weight:600;
}
.text-link:hover{color:var(--brand-dark);text-decoration:underline;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:box-shadow .3s var(--ease),background .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.scrolled{
  box-shadow:0 10px 26px -18px rgba(16,46,92,.45);
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:70px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border-radius:11px;
  background:linear-gradient(140deg,var(--brand),#2F7ED8);
  color:#fff;
  font-weight:700;
  font-size:17px;
  letter-spacing:0;
  box-shadow:0 8px 18px -10px rgba(28,95,180,.9);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-name{font-size:15.5px;font-weight:700;color:var(--ink-blue);}
.logo-sub{font-size:11.5px;color:var(--ink-3);letter-spacing:.2px;}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:12px;
}
.nav-link{
  position:relative;
  padding:24px 12px;
  font-size:14.8px;
  color:var(--ink-2);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:14px;
  height:2px;
  border-radius:2px;
  background:transparent;
  transition:background .25s var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{background:var(--brand);}
.nav-tools{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  width:262px;
  height:42px;
  padding:0 16px;
  border-radius:999px;
  background:#F4F7FC;
  border:1px solid #E3ECF8;
  color:var(--ink-3);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.search-box input{
  width:100%;
  border:0;
  outline:0;
  background:transparent;
  font-size:14px;
  color:var(--ink);
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(28,95,180,.14);
}
.burger{
  display:none;
  align-items:center;
  justify-content:center;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--ink-blue);
  background:#fff;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.burger:hover{background:var(--light);border-color:#CFE0F6;}

/* 移动端抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(14,46,92,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.drawer.open{opacity:1;visibility:visible;}
.drawer-inner{
  position:absolute;
  top:0;right:0;
  width:min(88vw,360px);
  height:100%;
  padding:22px 20px 32px;
  background:#fff;
  box-shadow:-20px 0 50px -24px rgba(14,46,92,.5);
  transform:translateX(100%);
  transition:transform .32s var(--ease);
  overflow-y:auto;
}
.drawer.open .drawer-inner{transform:translateX(0);}
.drawer-search{margin:16px 0 20px;width:100%;}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{
  padding:14px 4px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--ink-2);
}
.drawer-links a:hover,.drawer-links a.active{color:var(--brand);font-weight:600;}
.drawer-cta{margin-top:22px;width:100%;}
.drawer-close{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:15px;
  font-weight:700;
  color:var(--ink-blue);
}

/* ============ 页面小 Hero ============ */
.page-hero{
  position:relative;
  padding:56px 0 52px;
  background:
    linear-gradient(100deg,rgba(14,46,92,.94) 0%,rgba(14,46,92,.82) 42%,rgba(14,46,92,.42) 74%,rgba(14,46,92,.24) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  background-color:var(--ink-blue);
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:90px;
  background:linear-gradient(to bottom,rgba(246,248,252,0),var(--page));
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:#B9CDE8;
  margin-bottom:18px;
}
.breadcrumb li{display:flex;align-items:center;gap:6px;}
.breadcrumb li+li::before{content:"/";color:rgba(201,216,236,.55);}
.breadcrumb a{color:#D6E4F6;}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.page-hero h1{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.24;
  max-width:760px;
  color:#fff;
}
.page-hero h1 em{
  font-style:normal;
  color:#FFD9BC;
}
.hero-lead{
  margin-top:16px;
  max-width:640px;
  font-size:16.5px;
  color:#D3E1F4;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.hero-tags span{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 14px;
  border-radius:999px;
  font-size:13px;
  color:#E4EEFB;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:34px;
  margin-top:30px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-stats div{display:flex;flex-direction:column;gap:2px;}
.hero-stats b{
  font-size:22px;
  font-variant-numeric:tabular-nums;
  color:#fff;
}
.hero-stats span{font-size:13px;color:#AEC4E0;}

/* ============ 工具条 ============ */
.toolbar-section{padding:28px 0 4px;}
.toolbar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  padding:14px 18px;
  background:#fff;
  border:1px solid var(--line-2);
  border-radius:var(--radius-c);
  box-shadow:var(--shadow-1);
}
.sort-group{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.sort-group .label{font-size:13px;color:var(--ink-3);margin-right:4px;}
.chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 15px;
  border-radius:999px;
  font-size:13.5px;
  color:var(--ink-2);
  background:#F4F7FC;
  border:1px solid #E4EDF9;
  transition:all .25s var(--ease);
}
.chip:hover{color:var(--brand);border-color:#C7DCF6;background:#EDF4FD;}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}
.toolbar-meta{
  margin-left:auto;
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}

/* ============ 内容区：双列不等高 + 粘性侧栏 ============ */
.content-section{padding:34px 0 8px;}
.content-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:28px;
  align-items:start;
}
.card-flow{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.m-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line-2);
  border-radius:var(--radius-c);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.m-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:#C7DCF6;
}
.m-card .thumb{
  position:relative;
  width:100%;
  overflow:hidden;
  background:var(--skel);
}
.m-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s var(--ease);
}
.m-card:hover .thumb img{transform:scale(1.04);}
.m-card.ratio-wide .thumb{aspect-ratio:16/10;}
.m-card.ratio-tall .thumb{aspect-ratio:3/4;}
.m-card .body{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:20px 22px 22px;
  flex:1;
}
.badge-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 11px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  background:#EAF1FB;
  color:var(--brand);
}
.badge.teal{background:#E2F5F3;color:#0E8B83;}
.badge.orange{background:#FDF0E5;color:#C25C18;}
.badge.grey{background:#F1F4F9;color:var(--ink-2);}
.m-card h3{
  font-size:19px;
  line-height:1.4;
  color:var(--ink);
}
.m-card p{
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}
.m-card .steps{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:14px 16px;
  border-radius:var(--radius-s);
  background:#F7FAFE;
  border:1px dashed #D6E5F7;
}
.m-card .steps span{
  position:relative;
  padding-left:20px;
  font-size:13.8px;
  color:var(--ink-2);
  line-height:1.7;
}
.m-card .steps span::before{
  content:"";
  position:absolute;
  left:4px;top:9px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--teal);
}
.m-card .meta{
  display:flex;
  align-items:center;
  gap:14px;
  margin-top:auto;
  padding-top:6px;
  font-size:12.8px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.m-card .meta span{display:inline-flex;align-items:center;gap:5px;}

/* 侧栏 */
.side-col{
  position:sticky;
  top:92px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:#fff;
  border:1px solid var(--line-2);
  border-radius:var(--radius-c);
  box-shadow:var(--shadow-1);
  padding:22px 22px 18px;
}
.side-card h2{
  font-size:17px;
  margin-bottom:6px;
}
.side-card .side-sub{
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:14px;
}
.hot-list{display:flex;flex-direction:column;}
.hot-item{
  display:flex;
  gap:12px;
  padding:13px 0;
  border-top:1px solid var(--line);
  transition:transform .25s var(--ease);
}
.hot-item:first-child{border-top:0;padding-top:4px;}
.hot-item:hover{transform:translateX(3px);}
.hot-item .num{
  flex-shrink:0;
  width:22px;height:22px;
  border-radius:7px;
  background:#EAF1FB;
  color:var(--brand);
  font-size:12.5px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.hot-item:nth-child(1) .num{background:var(--orange);color:#fff;}
.hot-item:nth-child(2) .num{background:#DCE9FA;color:var(--brand-dark);}
.hot-item .txt{font-size:14.2px;color:var(--ink-2);line-height:1.65;}
.hot-item .txt b{display:block;font-weight:600;color:var(--ink);font-size:14.5px;}
.hot-item:hover .txt b{color:var(--brand);}
.hot-item .txt small{color:var(--ink-3);font-size:12.4px;}
.side-note{
  background:linear-gradient(150deg,#EAF1FB,#F7FAFE);
  border:1px solid #D8E6F8;
}
.side-note p{font-size:14px;color:var(--ink-2);}
.side-note .btn{margin-top:16px;width:100%;}

/* 分页 */
.pagination-section{padding:36px 0 0;}
.pagination{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  flex-wrap:wrap;
}
.pagination a,.pagination span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:42px;
  height:42px;
  padding:0 14px;
  border-radius:999px;
  font-size:14px;
  color:var(--ink-2);
  background:#fff;
  border:1px solid var(--line-2);
  transition:all .25s var(--ease);
}
.pagination a:hover{color:var(--brand);border-color:#C7DCF6;transform:translateY(-2px);}
.pagination .current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}

/* ============ 步骤带 ============ */
.steps-band{
  margin-top:72px;
  padding:64px 0 68px;
  background:linear-gradient(120deg,#0E2E5C,#153C74 58%,#1C5FB4);
  color:#fff;
}
.steps-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:34px;
}
.steps-head h2{
  font-size:clamp(22px,2.6vw,32px);
  color:#fff;
}
.steps-head p{
  max-width:520px;
  font-size:14.8px;
  color:#BBD0EA;
}
.steps-row{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.step{
  position:relative;
  padding:24px 22px 24px;
  border-radius:var(--radius-c);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  transition:background .3s var(--ease),transform .3s var(--ease),border-color .3s var(--ease);
}
.step:hover{background:rgba(255,255,255,.13);transform:translateY(-4px);border-color:rgba(255,255,255,.3);}
.step .idx{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border-radius:11px;
  background:rgba(255,255,255,.16);
  color:#fff;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step h3{font-size:17px;color:#fff;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.78;color:#BBD0EA;}

/* ============ FAQ ============ */
.faq-section{padding:80px 0 20px;}
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,2fr);
  gap:36px;
  align-items:start;
}
.faq-intro h2{
  font-size:clamp(22px,2.6vw,32px);
  margin-bottom:12px;
}
.faq-intro p{
  font-size:15px;
  color:var(--ink-2);
  max-width:320px;
}
.faq-intro .btn{margin-top:22px;}
.faq-list{
  background:#fff;
  border:1px solid var(--line-2);
  border-radius:var(--radius-c);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.faq-item+.faq-item{border-top:1px solid var(--line);}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  min-height:60px;
  padding:14px 24px;
  text-align:left;
  font-size:15.6px;
  font-weight:600;
  color:var(--ink);
  transition:color .25s var(--ease),background .25s var(--ease);
}
.faq-q:hover{color:var(--brand);background:#F9FBFE;}
.faq-q .icon{
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;height:26px;
  border-radius:50%;
  background:#EAF1FB;
  color:var(--brand);
  transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
}
.faq-item.open .faq-q{color:var(--brand);}
.faq-item.open .faq-q .icon{transform:rotate(180deg);background:var(--brand);color:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s var(--ease);
}
.faq-a .inner{
  padding:2px 24px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}

/* ============ CTA ============ */
.cta-section{padding:64px 0 84px;}
.cta-card{
  position:relative;
  padding:52px 44px;
  border-radius:var(--radius-l);
  background:linear-gradient(120deg,#EAF1FB,#F8FBFF 62%,#EAF1FB);
  border:1px solid #D8E6F8;
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.cta-card::before{
  content:"";
  position:absolute;
  right:-90px;top:-90px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(28,95,180,.16),rgba(28,95,180,0));
}
.cta-card h2{
  font-size:clamp(22px,2.6vw,32px);
  max-width:620px;
}
.cta-card p{
  margin-top:14px;
  max-width:620px;
  font-size:15.6px;
  color:var(--ink-2);
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.cta-actions .btn-outline{
  border-color:#BCD5F2;
  color:var(--brand);
  background:#fff;
}
.cta-actions .btn-outline:hover{border-color:var(--brand);background:var(--brand);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-blue);
  color:#C9D8EC;
  padding:60px 0 26px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:38px;
  border-bottom:1px solid rgba(201,216,236,.16);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-name{color:#fff;}
.footer-brand .logo-sub{color:#93AACB;}
.footer-brand p{color:#A9BFDC;line-height:1.8;max-width:300px;}
.footer-col h4{
  font-size:15px;
  color:#fff;
  margin-bottom:14px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#C9D8EC;font-size:14px;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-top:22px;
  font-size:13px;
  color:#8FA6C6;
}
.back-top{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:#C9D8EC;
  font-size:13px;
}
.back-top:hover{color:#fff;text-decoration:underline;}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .nav-links{margin-left:0;}
  .nav-link{padding:24px 9px;font-size:14.2px;}
  .search-box{width:210px;}
}
@media (max-width:1023px){
  .nav-links,.nav-tools .search-box,.nav-tools .nav-cta{display:none;}
  .burger{display:inline-flex;}
  .content-layout{grid-template-columns:minmax(0,1fr);}
  .side-col{position:static;}
  .card-flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:24px;}
  .faq-intro p{max-width:none;}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:26px;}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:767px){
  .page-hero{padding:40px 0 40px;}
  .hero-lead{font-size:15.4px;}
  .hero-stats{gap:22px;}
  .hero-stats b{font-size:19px;}
  .toolbar{padding:12px 14px;}
  .toolbar-meta{margin-left:0;width:100%;}
  .card-flow{grid-template-columns:minmax(0,1fr);gap:20px;}
  .m-card.ratio-tall .thumb{aspect-ratio:16/10;}
  .steps-band{margin-top:56px;padding:52px 0;}
  .steps-row{grid-template-columns:minmax(0,1fr);}
  .cta-card{padding:36px 22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
}
@media (max-width:519px){
  .container{padding:0 16px;}
  .logo-sub{display:none;}
  .logo-name{font-size:14.6px;}
  .page-hero h1{font-size:27px;}
  .hero-tags span{font-size:12.4px;padding:6px 12px;}
  .faq-q{padding:14px 18px;font-size:15px;}
  .faq-a .inner{padding:2px 18px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category5 */
:root{
    --primary:#1C5FB4;
    --primary-dark:#17539F;
    --ink-blue:#0E2E5C;
    --tint:#EAF1FB;
    --teal:#12A39A;
    --orange:#E8762B;
    --text:#10233D;
    --text-2:#44586F;
    --text-3:#8496A9;
    --line:#E5EDF6;
    --page:#F6F8FC;
    --card:#FFFFFF;
    --skeleton:#E8F0FB;
    --r-sm:10px;
    --r-card:16px;
    --r-lg:22px;
    --r-pill:999px;
    --sh-1:0 1px 2px rgba(16,46,92,.05);
    --sh-2:0 18px 40px -18px rgba(16,46,92,.28);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.8;
    color:var(--text);
    background:var(--page);
    font-weight:400;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .25s var(--ease);}
  button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
  input{font-family:inherit;}
  h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.2px;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

  .container{
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding:0 40px;
  }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 26px;
    border-radius:var(--r-pill);
    font-size:15px;
    font-weight:600;
    letter-spacing:.2px;
    transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--primary);
    color:#fff;
    box-shadow:0 10px 24px -14px rgba(28,95,180,.85);
  }
  .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--sh-2);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{
    background:#fff;
    color:var(--primary);
    border:1px solid rgba(28,95,180,.35);
  }
  .btn-ghost:hover{border-color:var(--primary);background:var(--tint);transform:translateY(-2px);}
  .btn-accent{
    background:var(--orange);
    color:#fff;
    box-shadow:0 10px 24px -14px rgba(232,118,43,.9);
  }
  .btn-accent:hover{background:#d4661f;transform:translateY(-2px);box-shadow:var(--sh-2);}
  .btn-sm{height:40px;padding:0 20px;font-size:14px;}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    background:rgba(255,255,255,.96);
    border-bottom:1px solid var(--line);
    transition:box-shadow .3s var(--ease),background .3s var(--ease);
    backdrop-filter:saturate(160%) blur(6px);
  }
  .site-header.scrolled{box-shadow:0 8px 24px -18px rgba(16,46,92,.45);background:rgba(255,255,255,.9);}
  .nav-inner{
    display:flex;
    align-items:center;
    gap:24px;
    height:68px;
  }
  .logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;
    display:inline-flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,var(--primary),var(--teal));
    color:#fff;font-weight:700;font-size:18px;
    box-shadow:0 8px 18px -12px rgba(28,95,180,.9);
    font-variant-numeric:tabular-nums;
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.15;}
  .logo-name{font-size:16px;font-weight:700;color:var(--text);white-space:nowrap;}
  .logo-sub{font-size:12px;color:var(--text-3);}
  .nav-links{display:flex;align-items:center;gap:2px;margin-left:8px;flex-wrap:nowrap;}
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:68px;
    padding:0 13px;
    font-size:14.5px;
    font-weight:500;
    color:var(--text-2);
    white-space:nowrap;
  }
  .nav-link:hover{color:var(--primary);}
  .nav-link::after{
    content:"";
    position:absolute;left:13px;right:13px;bottom:14px;height:2px;border-radius:2px;
    background:var(--primary);transform:scaleX(0);transform-origin:center;
    transition:transform .3s var(--ease);
  }
  .nav-link:hover::after{transform:scaleX(.5);}
  .nav-link.active{color:var(--primary);font-weight:700;}
  .nav-link.active::after{transform:scaleX(1);}
  .nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
  .search-box{
    display:flex;align-items:center;gap:8px;
    height:40px;width:250px;padding:0 14px;
    border:1px solid var(--line);border-radius:var(--r-pill);
    background:var(--page);color:var(--text-3);
    transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
  }
  .search-box:focus-within{
    border-color:var(--primary);
    background:#fff;
    box-shadow:0 0 0 3px rgba(28,95,180,.14);
  }
  .search-box input{
    border:0;background:transparent;outline:none;
    font-size:14px;color:var(--text);width:100%;
  }
  .search-box input::placeholder{color:var(--text-3);}
  .nav-cta{flex:0 0 auto;}
  .burger{
    display:none;
    width:42px;height:42px;border-radius:12px;
    align-items:center;justify-content:center;
    border:1px solid var(--line);background:#fff;color:var(--text-2);
    transition:border-color .25s var(--ease),color .25s var(--ease);
  }
  .burger:hover{border-color:var(--primary);color:var(--primary);}

  .drawer{
    position:fixed;
    inset:68px 0 0 0;
    z-index:70;
    background:rgba(246,248,252,.99);
    padding:22px 20px 40px;
    overflow-y:auto;
    opacity:0;
    pointer-events:none;
    transform:translateY(-10px);
    transition:opacity .28s var(--ease),transform .28s var(--ease);
  }
  .drawer.open{opacity:1;pointer-events:auto;transform:translateY(0);}
  .drawer .search-box{width:100%;margin-bottom:18px;}
  .drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
  .drawer-links a{
    padding:13px 14px;border-radius:var(--r-sm);
    background:#fff;border:1px solid var(--line);
    font-size:15px;font-weight:500;color:var(--text-2);
  }
  .drawer-links a.active{color:var(--primary);border-color:rgba(28,95,180,.4);background:var(--tint);font-weight:700;}
  .drawer .btn{width:100%;}

  /* ============ 页面小 Hero ============ */
  .page-hero{
    position:relative;
    padding:52px 0 60px;
    background-color:var(--ink-blue);
    background-image:
      linear-gradient(95deg,rgba(14,46,92,.94) 0%,rgba(14,46,92,.86) 42%,rgba(14,46,92,.42) 78%,rgba(18,163,154,.24) 100%),
      url("/assets/images/backpic/back-3.png");
    background-size:cover;
    background-position:center;
    color:#fff;
    overflow:hidden;
  }
  .page-hero::after{
    content:"";
    position:absolute;left:0;right:0;bottom:0;height:110px;
    background:linear-gradient(180deg,rgba(246,248,252,0) 0%,var(--page) 100%);
    pointer-events:none;
  }
  .page-hero .container{position:relative;z-index:2;}
  .breadcrumb{margin-bottom:22px;}
  .breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#B9CCE6;}
  .breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
  .breadcrumb li+li::before{content:"/";color:rgba(201,216,236,.55);}
  .breadcrumb a{color:#C9D8EC;}
  .breadcrumb a:hover{color:#fff;text-decoration:underline;}
  .breadcrumb [aria-current]{color:#fff;font-weight:600;}
  .hero-tagrow{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
  .hero-tag{
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 14px;border-radius:var(--r-pill);
    background:rgba(255,255,255,.14);
    border:1px solid rgba(255,255,255,.22);
    font-size:13px;color:#E4EEFB;
    backdrop-filter:blur(2px);
  }
  .hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);}
  .page-hero h1{
    font-size:clamp(28px,4.2vw,46px);
    line-height:1.22;
    margin-bottom:16px;
    max-width:820px;
  }
  .page-hero .lead{
    max-width:720px;
    font-size:16px;
    color:#D6E4F5;
    font-weight:400;
  }
  .hero-stats{
    display:flex;flex-wrap:wrap;gap:34px;margin-top:30px;
  }
  .hero-stat{display:flex;flex-direction:column;gap:2px;}
  .hero-stat b{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;color:#fff;}
  .hero-stat span{font-size:13px;color:#AFC6E4;}

  /* ============ 工具条 ============ */
  .toolbar-wrap{margin-top:-26px;position:relative;z-index:5;}
  .toolbar{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
    background:#fff;border:1px solid #E7EEF7;border-radius:var(--r-lg);
    padding:16px 22px;box-shadow:var(--sh-1);
  }
  .toolbar-left{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
  .toolbar-label{font-size:13px;color:var(--text-3);margin-right:2px;}
  .tool-chip{
    height:34px;padding:0 16px;border-radius:var(--r-pill);
    border:1px solid var(--line);background:var(--page);
    font-size:13.5px;color:var(--text-2);
    transition:all .25s var(--ease);
  }
  .tool-chip:hover{border-color:rgba(28,95,180,.45);color:var(--primary);}
  .tool-chip.is-on{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;}
  .toolbar-count{font-size:13.5px;color:var(--text-3);font-variant-numeric:tabular-nums;}

  .filter-row{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px;
    margin-top:18px;
  }
  .filter-chip{
    display:inline-flex;align-items:center;gap:7px;
    height:36px;padding:0 16px;border-radius:var(--r-pill);
    background:#fff;border:1px solid #E7EEF7;
    font-size:13.5px;color:var(--text-2);
    box-shadow:var(--sh-1);
    transition:all .25s var(--ease);
  }
  .filter-chip:hover{transform:translateY(-2px);border-color:rgba(28,95,180,.4);color:var(--primary);}
  .filter-chip.is-on{background:var(--tint);border-color:rgba(28,95,180,.4);color:var(--primary);font-weight:600;}
  .filter-chip .num{
    font-size:12px;color:var(--primary);background:rgba(28,95,180,.1);
    border-radius:var(--r-pill);padding:1px 8px;font-variant-numeric:tabular-nums;
  }

  /* ============ 通用板块 ============ */
  .section{padding:72px 0 0;}
  .section:last-of-type{padding-bottom:8px;}
  .section-head{
    display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;
    padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:30px;
  }
  .section-head h2{font-size:clamp(22px,2.5vw,32px);line-height:1.28;}
  .section-head .sub{font-size:14.5px;color:var(--text-2);margin-top:8px;max-width:640px;}
  .text-link{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:600;color:var(--primary);
  }
  .text-link:hover{color:var(--primary-dark);}
  .text-link svg{transition:transform .25s var(--ease);}
  .text-link:hover svg{transform:translateX(3px);}

  /* ============ 标签云 ============ */
  .cloud-card{
    background:#fff;border:1px solid #E7EEF7;border-radius:var(--r-lg);
    padding:28px 30px;box-shadow:var(--sh-1);
  }
  .tag-cloud{
    display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  }
  .cloud-tag{
    display:inline-flex;align-items:center;gap:8px;
    border-radius:var(--r-pill);
    border:1px solid #E7EEF7;
    background:var(--page);
    color:var(--text-2);
    transition:all .28s var(--ease);
    font-weight:500;
  }
  .cloud-tag .count{
    font-size:11.5px;color:var(--text-3);
    font-variant-numeric:tabular-nums;
  }
  .cloud-tag:hover{
    background:var(--tint);border-color:rgba(28,95,180,.4);
    color:var(--primary);transform:translateY(-3px);
    box-shadow:0 12px 26px -18px rgba(16,46,92,.5);
  }
  .tag-xl{font-size:18px;padding:12px 24px;font-weight:700;color:var(--primary);background:var(--tint);border-color:rgba(28,95,180,.24);}
  .tag-lg{font-size:16px;padding:10px 22px;color:var(--ink-blue);}
  .tag-md{font-size:14.5px;padding:8px 18px;}
  .tag-sm{font-size:13.5px;padding:7px 15px;}
  .cloud-note{
    margin-top:22px;padding-top:20px;border-top:1px dashed var(--line);
    font-size:14px;color:var(--text-2);
  }
  .cloud-note strong{color:var(--primary);}

  /* ============ 四列小卡图集 ============ */
  .mini-grid{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:22px;
  }
  .mini-card{
    display:flex;flex-direction:column;
    background:#fff;
    border:1px solid #E7EEF7;
    border-radius:var(--r-card);
    overflow:hidden;
    box-shadow:var(--sh-1);
    transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  }
  .mini-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--sh-2);
    border-color:rgba(28,95,180,.35);
  }
  .mini-figure{
    position:relative;
    aspect-ratio:4 / 3;
    background:var(--skeleton);
    overflow:hidden;
  }
  .mini-figure img{
    width:100%;height:100%;object-fit:cover;
    transition:transform .4s var(--ease);
  }
  .mini-card:hover .mini-figure img{transform:scale(1.04);}
  .mini-badge{
    position:absolute;left:12px;top:12px;
    display:inline-flex;align-items:center;
    padding:4px 11px;border-radius:var(--r-pill);
    font-size:12px;font-weight:600;
    background:rgba(255,255,255,.92);
    color:var(--primary);
    box-shadow:0 4px 12px -8px rgba(16,46,92,.6);
  }
  .mini-badge.teal{color:#0E7E77;}
  .mini-badge.orange{color:#B85A17;}
  .mini-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1;}
  .mini-body h3{
    font-size:16.5px;line-height:1.45;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .mini-card:hover h3{color:var(--primary);}
  .mini-body p{
    font-size:13.5px;line-height:1.75;color:var(--text-2);
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  }
  .mini-meta{
    margin-top:auto;padding-top:12px;
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    border-top:1px solid var(--line);
    font-size:12.5px;color:var(--text-3);
    font-variant-numeric:tabular-nums;
  }
  .mini-meta .views{display:inline-flex;align-items:center;gap:5px;}

  /* ============ 深色 band：四步自查 ============ */
  .band{
    margin-top:76px;
    background:linear-gradient(135deg,var(--ink-blue) 0%,#14406f 58%,#12556b 100%);
    border-radius:var(--r-lg);
    padding:44px 46px;
    color:#fff;
  }
  .band-head{max-width:640px;margin-bottom:30px;}
  .band-head .kicker{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;color:#9FD3CE;margin-bottom:12px;
  }
  .band-head .kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--teal);}
  .band-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;margin-bottom:10px;}
  .band-head p{font-size:14.5px;color:#C9D8EC;}
  .step-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 34px;}
  .step-item{
    display:flex;gap:16px;
    padding:18px 0;
    border-top:1px solid rgba(201,216,236,.2);
  }
  .step-num{
    flex:0 0 auto;
    width:38px;height:38px;border-radius:12px;
    display:inline-flex;align-items:center;justify-content:center;
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.2);
    font-weight:700;font-size:15px;
    font-variant-numeric:tabular-nums;color:#EAF1FB;
  }
  .step-item h3{font-size:16.5px;margin-bottom:6px;}
  .step-item p{font-size:14px;color:#B9CCE6;line-height:1.75;}

  /* ============ FAQ ============ */
  .faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start;}
  .faq-intro h2{font-size:clamp(22px,2.5vw,32px);line-height:1.3;margin-bottom:12px;}
  .faq-intro p{font-size:14.5px;color:var(--text-2);margin-bottom:20px;}
  .faq-list{display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    background:#fff;border:1px solid #E7EEF7;border-radius:var(--r-card);
    box-shadow:var(--sh-1);overflow:hidden;
    transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
  }
  .faq-item[open]{border-color:rgba(28,95,180,.35);box-shadow:0 12px 30px -22px rgba(16,46,92,.55);}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:56px;padding:14px 22px;
    font-size:15.5px;font-weight:600;color:var(--text);
    cursor:pointer;list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--primary);}
  .faq-item .caret{
    flex:0 0 auto;width:26px;height:26px;border-radius:50%;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--tint);color:var(--primary);
    transition:transform .3s var(--ease);
  }
  .faq-item[open] .caret{transform:rotate(180deg);}
  .faq-body{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text-2);}

  /* ============ CTA ============ */
  .cta-wrap{padding:76px 0 8px;}
  .cta-card{
    position:relative;
    border-radius:var(--r-lg);
    background:#fff;
    border:1px solid #E7EEF7;
    box-shadow:var(--sh-1);
    padding:46px 46px;
    overflow:hidden;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  }
  .cta-card::before{
    content:"";
    position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle at center,rgba(18,163,154,.18),rgba(18,163,154,0) 68%);
  }
  .cta-text{position:relative;z-index:2;max-width:620px;}
  .cta-text h2{font-size:clamp(22px,2.5vw,30px);line-height:1.3;margin-bottom:10px;}
  .cta-text p{font-size:15px;color:var(--text-2);}
  .cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;}

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:88px;
    background:var(--ink-blue);
    color:#C9D8EC;
    padding:60px 0 26px;
  }
  .site-footer .logo-mark{background:linear-gradient(135deg,#2E7BD6,#12A39A);}
  .site-footer .logo-name{color:#fff;}
  .site-footer .logo-sub{color:#8FA9CB;}
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr repeat(4,1fr);
    gap:34px;
    padding-bottom:40px;
    border-bottom:1px solid rgba(201,216,236,.16);
  }
  .footer-brand p{font-size:14px;line-height:1.8;color:#9FB6D4;margin-top:16px;max-width:320px;}
  .footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{font-size:14px;color:#C9D8EC;}
  .footer-col a:hover{color:#fff;text-decoration:underline;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
    padding-top:22px;font-size:13px;color:#8FA9CB;
  }
  .back-top{
    display:inline-flex;align-items:center;gap:7px;
    padding:9px 16px;border-radius:var(--r-pill);
    background:rgba(255,255,255,.08);
    border:1px solid rgba(201,216,236,.22);
    color:#E4EEFB;font-size:13px;
  }
  .back-top:hover{background:rgba(255,255,255,.16);color:#fff;}

  /* ============ 响应式 ============ */
  @media (max-width:1180px){
    .nav-link{padding:0 10px;font-size:14px;}
    .search-box{width:200px;}
  }
  @media (max-width:1023px){
    .container{padding:0 24px;}
    .nav-links,.nav-tools .search-box,.nav-tools .nav-cta{display:none;}
    .burger{display:inline-flex;}
    .mini-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
    .faq-grid{grid-template-columns:1fr;gap:24px;}
    .step-list{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:28px;}
    .footer-brand{grid-column:1 / -1;}
    .band{padding:36px 32px;}
    .cta-card{padding:36px 30px;}
  }
  @media (max-width:768px){
    body{font-size:15.5px;}
    .container{padding:0 20px;}
    .page-hero{padding:40px 0 52px;}
    .hero-stats{gap:24px;}
    .hero-stat b{font-size:22px;}
    .mini-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
    .section{padding:56px 0 0;}
    .section-head{border-bottom:0;padding-bottom:0;margin-bottom:22px;}
    .cloud-card{padding:22px 20px;}
    .tag-xl{font-size:16px;padding:10px 20px;}
    .tag-lg{font-size:15px;padding:9px 18px;}
    .site-footer{margin-top:64px;}
    .footer-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:520px){
    .mini-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .btn{width:100%;}
    .cta-actions{width:100%;}
    .toolbar{padding:14px 16px;border-radius:var(--r-card);}
    .band{padding:28px 22px;border-radius:var(--r-card);}
    .cta-card{padding:28px 22px;}
    .hero-tag{font-size:12px;padding:5px 12px;}
  }