/* roulang page: index */
:root{
  --brand-700:#1B3F7E;
  --brand-900:#0F2A55;
  --brand-500:#2E63B8;
  --brand-100:#E6EEFA;
  --accent-500:#E3A33C;
  --accent-100:#FDF3E1;
  --ink-900:#0E1B2E;
  --ink-600:#46586F;
  --ink-400:#7C8CA1;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(16,27,45,.06);
  --sh-md:0 6px 20px -8px rgba(29,62,122,.18);
  --sh-lg:0 16px 40px -16px rgba(15,42,85,.24);
  --sec:80px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-700)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.35}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(46,99,184,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media screen and (min-width:640px){.container{padding:0 24px}}
@media screen and (min-width:1024px){.container{max-width:1240px;padding:0 32px}}
.grid-padding-x{margin-left:-12px;margin-right:-12px}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px}
@media screen and (min-width:640px){
  .grid-padding-x{margin-left:-16px;margin-right:-16px}
  .grid-padding-x>.cell{padding-left:16px;padding-right:16px}
}
.section{padding:44px 0}
@media screen and (min-width:640px){.section{padding:56px 0}}
@media screen and (min-width:1024px){.section{padding:80px 0}}
.section-head{margin-bottom:28px}
@media screen and (min-width:1024px){.section-head{margin-bottom:38px}}
.section-head h2{font-size:23px;font-weight:700;letter-spacing:.2px}
@media screen and (min-width:640px){.section-head h2{font-size:26px}}
.section-head p{margin-top:10px;color:var(--ink-600);font-size:15px;max-width:720px}
.section-head.with-link{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;justify-content:space-between}
.text-link{font-size:14px;font-weight:600;color:var(--brand-500);display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:4px}

/* 顶部倒计时条 */
.topbar{background:var(--brand-900);color:#fff;min-height:46px;display:flex;align-items:center}
.topbar-inner{width:100%;max-width:1240px;margin:0 auto;padding:8px 20px;display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between}
.topbar-note{display:flex;align-items:center;gap:10px;font-size:13px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent-500);box-shadow:0 0 0 4px rgba(227,163,60,.18);flex:none}
.topbar-label{font-weight:700;color:#fff;letter-spacing:.5px}
.topbar-text{color:rgba(255,255,255,.72)}
.countdown{display:flex;align-items:center;gap:10px}
.cd-item{display:flex;align-items:baseline;gap:4px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:8px;padding:2px 10px}
.cd-num{font-size:22px;font-weight:800;color:var(--accent-500);font-variant-numeric:tabular-nums;line-height:1.2}
.cd-label{font-size:12px;color:rgba(255,255,255,.7)}
@media screen and (max-width:639px){
  .topbar-inner{justify-content:center;text-align:center}
  .topbar-note{justify-content:center;width:100%}
  .cd-item{padding:2px 8px}
  .cd-num{font-size:20px}
}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:var(--sh-md)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;transition:height .2s ease}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:800;font-size:17px;letter-spacing:.2px;white-space:nowrap;min-height:44px}
.logo:hover{color:var(--brand-700)}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand-700);display:inline-flex;align-items:center;justify-content:center;flex:none}
.logo-mark svg{width:20px;height:20px;display:block}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:var(--r-pill);font-size:15px;font-weight:600;color:var(--ink-600)}
.nav-link:hover{background:var(--brand-100);color:var(--brand-700)}
.nav-link.active{color:var(--brand-700)}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand-700)}
.nav-cta{margin-left:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .2s ease;text-align:center}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:hover{background:var(--brand-900);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm)}
.btn-ghost{background:#fff;color:var(--ink-900);border-color:var(--line)}
.btn-ghost:hover{color:var(--brand-700);border-color:var(--brand-500);background:var(--brand-100)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-light{background:#fff;color:var(--brand-900)}
.btn-light:hover{background:var(--brand-100);color:var(--brand-900)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand-700);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media screen and (max-width:959px){
  .nav-toggle{display:inline-flex}
  .main-nav{position:fixed;left:0;right:0;top:72px;bottom:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:12px 20px 32px;transform:translateX(105%);transition:transform .25s ease;overflow-y:auto;border-top:1px solid var(--line)}
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{height:56px;padding:0 6px;border-radius:0;border-bottom:1px solid var(--line);font-size:17px;justify-content:flex-start}
  .nav-link.active::after{left:6px;right:auto;width:28px;bottom:0}
  .nav-cta{margin:18px 0 0;width:100%}
  body.nav-open{overflow:hidden}
}

/* Hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFFFFF 0%,#F5F7FB 100%);padding:40px 0 0}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(27,63,126,.06) 1.4px,transparent 1.4px);background-size:22px 22px;pointer-events:none}
.hero-inner{position:relative;z-index:1}
.hero-copy{padding-bottom:28px}
.badge-chip{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);background:var(--accent-100);color:#8A5E13;font-size:13px;font-weight:600;border:1px solid rgba(227,163,60,.35)}
.hero h1{margin:18px 0 0;font-size:28px;font-weight:800;line-height:1.3;letter-spacing:.2px}
@media screen and (min-width:640px){.hero h1{font-size:36px}}
@media screen and (min-width:1024px){.hero h1{font-size:44px;line-height:1.24}}
.hero-sub{margin-top:16px;font-size:17px;color:var(--ink-600);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:26px}
.hero-trust li{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-600)}
.hero-trust li i{color:var(--brand-500);font-size:13px}
.hero-media{margin-bottom:28px}
.hero-media img{width:100%;border-radius:16px;box-shadow:var(--sh-lg);aspect-ratio:16/11;object-fit:cover}
@media screen and (max-width:1023px){
  .hero-media{order:-1;margin-bottom:22px;margin-top:22px}
}
.mini-stats{margin:8px -12px 0;padding:0 0 40px}
.mini-stats .cell{padding-bottom:0}
.stat-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:16px 18px;height:100%;box-shadow:var(--sh-sm)}
.stat-label{font-size:13px;color:var(--ink-400);display:block}
.stat-value{margin-top:6px;font-size:17px;font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums}
.mini-stats .cell{margin-bottom:16px}

/* 卖点 */
.features{background:#fff}
.feature-lg,.feature-sm{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-sm);overflow:hidden;height:100%;transition:transform .2s ease,box-shadow .2s ease}
.feature-lg:hover,.feature-sm:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.feature-lg img{width:100%;aspect-ratio:16/9;object-fit:cover}
.feature-body{padding:22px}
.feature-body h3{font-size:19px;font-weight:600}
.feature-body p{margin-top:10px;font-size:15px;color:var(--ink-600)}
.feature-sm{padding:22px}
.feature-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-100);color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:14px}
.feature-sm h3{font-size:17px;font-weight:600}
.feature-sm p{margin-top:8px;font-size:14px;color:var(--ink-600)}
.cell-gap{margin-bottom:20px}

/* 图墙 */
.gallery{background:#fff}
.gallery-item{position:relative;display:block;overflow:hidden;border-radius:var(--r-img);border:1px solid var(--line);margin-bottom:24px;background:#EEF2F8}
.gallery-item img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.gallery-item.tall img{aspect-ratio:16/13}
.gallery-item::after{content:"";position:absolute;inset:auto 0 0 0;height:62%;background:linear-gradient(180deg,rgba(15,42,85,0) 0%,rgba(15,42,85,.72) 100%);opacity:0;transition:opacity .25s ease}
.gallery-item:hover img{transform:scale(1.03)}
.gallery-item:hover::after{opacity:1}
.gallery-cap{position:absolute;left:16px;bottom:14px;z-index:2;color:#fff;font-size:15px;font-weight:600;transform:translateY(6px);opacity:0;transition:all .25s ease}
.gallery-item:hover .gallery-cap{transform:translateY(0);opacity:1}

/* 阶段时间线 */
.steps{background:var(--bg)}
.step-list{position:relative;border-left:2px solid var(--brand-100);margin-left:12px;padding-left:26px}
.step-item{position:relative;padding-bottom:26px}
.step-item:last-child{padding-bottom:0}
.step-item::before{content:"";position:absolute;left:-34px;top:6px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--brand-700)}
.step-num{font-size:13px;font-weight:700;color:var(--accent-500);letter-spacing:1px;font-variant-numeric:tabular-nums}
.step-item h3{font-size:18px;font-weight:600;margin-top:4px}
.step-item p{margin-top:8px;font-size:15px}
.step-side{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-sm);height:100%}
.step-side h3{font-size:17px;font-weight:600;margin-bottom:14px}
.step-side li{display:flex;gap:10px;font-size:14px;padding:10px 0;border-bottom:1px dashed var(--line)}
.step-side li:last-child{border-bottom:0}
.step-side li i{color:var(--brand-500);margin-top:5px;font-size:12px}

/* CTA 表单 */
.cta-band{background:var(--brand-900);color:#fff;border-radius:16px;padding:28px 22px;position:relative;overflow:hidden}
@media screen and (min-width:1024px){.cta-band{padding:48px 40px}}
.cta-band::before{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;background:radial-gradient(circle,rgba(227,163,60,.16) 0%,rgba(227,163,60,0) 68%)}
.cta-band h2{color:#fff;font-size:23px;font-weight:800;position:relative}
@media screen and (min-width:1024px){.cta-band h2{font-size:29px}}
.cta-band .cta-desc{color:rgba(255,255,255,.78);margin-top:12px;font-size:15px;max-width:460px;position:relative}
.cta-points{margin-top:20px;position:relative}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.9);padding:6px 0}
.cta-points li i{color:var(--accent-500);margin-top:5px;font-size:12px}
.signup-form{background:#fff;border-radius:var(--r-card);padding:22px;position:relative;box-shadow:var(--sh-lg)}
.signup-form .form-row{margin-bottom:16px}
.form-label{display:block;font-size:13px;font-weight:600;color:var(--ink-600);margin-bottom:6px}
.form-input{width:100%;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;padding:0 14px;font-size:15px;color:var(--ink-900);transition:border-color .2s ease,box-shadow .2s ease;appearance:none}
select.form-input{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2346586F'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:14px;padding-right:36px}
.form-input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,99,184,.16)}
.form-input.is-error{border-color:#D9534F;box-shadow:0 0 0 3px rgba(217,83,79,.14)}
.signup-form .btn{width:100%}
.form-hint{margin-top:12px;font-size:12px;color:var(--ink-400);text-align:center}
.form-msg{margin-top:12px;font-size:13px;color:var(--brand-700);background:var(--brand-100);border-radius:var(--r-btn);padding:10px 12px;display:none}
.form-msg.is-show{display:block}

/* 最新信息 */
.news{background:#fff}
.news-grid .cell{margin-bottom:24px}
.news-card{height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-sm);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.news-card a{display:block;color:inherit;height:100%}
.news-card a:hover{color:inherit}
.news-thumb{background:#EEF2F8}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}
.news-body{padding:20px}
.badge-soft{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:600}
.news-title{margin-top:12px;font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-sum{margin-top:10px;font-size:14px;color:var(--ink-600);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-time{display:block;margin-top:14px;font-size:13px;color:var(--ink-400);font-variant-numeric:tabular-nums}
.empty-state{text-align:center;padding:52px 20px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--bg)}
.empty-state i{font-size:30px;color:var(--brand-500)}
.empty-state p{margin:14px 0 20px;color:var(--ink-400);font-size:15px}

/* 反馈 */
.voices{background:var(--bg)}
.voice-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-sm);height:100%;transition:transform .2s ease,box-shadow .2s ease}
.voice-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.voice-card p{font-size:15px;color:var(--ink-600)}
.voice-meta{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.voice-avatar{width:40px;height:40px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:none}
.voice-name{font-size:14px;font-weight:600;color:var(--ink-900)}
.voice-role{font-size:13px;color:var(--ink-400)}
.voices-grid .cell{margin-bottom:20px}

/* FAQ */
.faq{background:#fff}
.faq-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-sm);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{width:100%;display:flex;align-items:center;gap:14px;background:transparent;border:0;padding:16px 20px;min-height:60px;text-align:left;cursor:pointer;font-size:16px;font-weight:600;color:var(--ink-900);transition:background .2s ease}
.faq-q:hover{background:var(--bg)}
.faq-num{width:28px;height:28px;border-radius:9px;background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none;font-variant-numeric:tabular-nums}
.faq-q span.q-text{flex:1}
.faq-icon{color:var(--brand-500);font-size:14px;transition:transform .2s ease;flex:none}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 20px 18px 62px;font-size:15px;line-height:1.85;color:var(--ink-600)}
@media screen and (max-width:639px){
  .faq-a p{padding:0 18px 16px 18px}
}

/* 页脚 */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:52px 0 0;margin-top:8px}
.footer-grid{margin-bottom:32px}
.footer-col{margin-bottom:28px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-brand .logo-mark{background:rgba(255,255,255,.12)}
.footer-col p{font-size:14px;line-height:1.8;max-width:320px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px}
.footer-links a:hover{color:#fff}
.footer-info li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;line-height:1.7}
.footer-info li i{color:var(--accent-500);margin-top:5px;font-size:12px;flex:none}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}
@media screen and (max-width:639px){
  .site-footer{padding-top:40px}
  .footer-bottom{justify-content:flex-start}
}

/* roulang page: article */
:root{
  --brand-700:#1B3F7E;
  --brand-900:#0F2A55;
  --brand-500:#2E63B8;
  --brand-100:#E6EEFA;
  --accent-500:#E3A33C;
  --accent-100:#FDF3E1;
  --ink-900:#0E1B2E;
  --ink-600:#46586F;
  --ink-400:#7C8CA1;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --warm-red:#C4553F;
  --radius-card:14px;
  --radius-img:12px;
  --radius-ctl:10px;
  --radius-pill:999px;
  --sh-sm:0 1px 2px rgba(16,27,45,.06);
  --sh-md:0 6px 20px -8px rgba(29,62,122,.18);
  --sh-lg:0 16px 40px -16px rgba(15,42,85,.24);
  --max-w:1200px;
  --nav-h:76px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-600);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand-700);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(46,99,184,.35);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--max-w);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
@media screen and (max-width:1023px){.container{padding-left:24px;padding-right:24px;}}
@media screen and (max-width:639px){.container{padding-left:20px;padding-right:20px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--radius-ctl);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:var(--brand-900);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-outline{background:#fff;color:var(--ink-900);border-color:var(--line);}
.btn-outline:hover{color:var(--brand-700);border-color:var(--brand-500);background:var(--brand-100);}
.btn-accent{background:var(--accent-500);color:#3A2606;}
.btn-accent:hover{background:#D8942B;color:#2B1C04;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,height .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:var(--nav-h);
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);}
.logo:hover{color:var(--brand-700);}
.logo-mark{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;background:var(--brand-900);border-radius:9px;}
.logo-mark svg{width:18px;height:18px;}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.3px;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  color:var(--ink-600);
}
.nav-link:hover{background:var(--brand-100);color:var(--brand-700);}
.nav-link.active{color:var(--brand-700);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--brand-700);
}
.nav-cta{margin-left:12px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--radius-ctl);
  background:#fff;
  cursor:pointer;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand-700);transition:transform .2s ease,opacity .2s ease;}
@media screen and (max-width:959px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;
    top:0;right:0;bottom:0;left:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:#fff;
    padding:88px 24px 32px;
    overflow-y:auto;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{
    height:auto;
    padding:16px 4px;
    border-radius:0;
    border-bottom:1px solid var(--line);
    font-size:17px;
  }
  .nav-link.active::after{display:none;}
  .nav-link.active{color:var(--brand-700);}
  .nav-cta{margin:24px 0 0;height:46px;}
}

/* ---------- 面包屑 ---------- */
.page-band{background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);border-bottom:1px solid var(--line);}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  min-height:52px;
  padding:10px 0;
  font-size:13px;
  color:var(--ink-400);
}
.breadcrumb .sep{color:#C3CDDB;}
.breadcrumb a{color:var(--ink-400);}
.breadcrumb a:hover{color:var(--brand-500);}
.breadcrumb .crumb-current{color:var(--ink-600);max-width:min(560px,70vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-wrap{padding:48px 0 8px;}
.article-head{max-width:780px;margin:0 auto;text-align:left;}
.badge{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:13px;
  font-weight:600;
}
.article-head h1{
  margin-top:16px;
  font-size:36px;
  line-height:1.32;
  font-weight:800;
  letter-spacing:-.2px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:20px;
  margin-top:18px;
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--ink-400);
  font-variant-numeric:tabular-nums;
}
.article-meta i{color:var(--brand-500);margin-right:6px;}
.article-cover{
  max-width:980px;
  margin:28px auto 0;
  border-radius:var(--radius-card);
  overflow:hidden;
  background:#EEF2F8;
  box-shadow:var(--sh-md);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- 正文 ---------- */
.article-body{
  max-width:780px;
  margin:36px auto 0;
  padding:40px 40px 48px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--sh-sm);
}
.article-body > *:first-child{margin-top:0;}
.article-body p{
  margin:0 0 22px;
  font-size:17px;
  line-height:1.9;
  color:var(--ink-600);
}
.article-body h2{
  position:relative;
  margin:44px 0 18px;
  padding-left:14px;
  font-size:24px;
  font-weight:700;
  color:var(--ink-900);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:3px;
  background:var(--brand-700);
}
.article-body h3{margin:30px 0 14px;font-size:18px;font-weight:600;color:var(--ink-900);}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:4px;}
.article-body li{
  position:relative;
  padding-left:20px;
  margin-bottom:10px;
  font-size:16px;
  line-height:1.85;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;top:11px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand-500);
}
.article-body ol{counter-reset:cmslist;}
.article-body ol li{counter-increment:cmslist;}
.article-body ol li::before{
  content:counter(cmslist)".";
  position:absolute;
  left:0;top:1px;
  color:var(--brand-700);
  font-weight:700;
}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  border-left:3px solid var(--brand-700);
  background:var(--brand-100);
  border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:var(--ink-600);
  font-size:16px;
}
.article-body blockquote p{margin:0;font-size:16px;}
.article-body img{border-radius:var(--radius-img);margin:24px auto;box-shadow:var(--sh-sm);}
.article-body figure{margin:26px 0;}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--ink-400);}
.article-body a{color:var(--brand-500);border-bottom:1px solid rgba(46,99,184,.4);}
.article-body a:hover{color:var(--brand-700);border-bottom-color:var(--brand-700);}
.article-body strong{color:var(--ink-900);font-weight:700;}
.article-body table{
  width:100%;
  margin:26px 0;
  border-collapse:collapse;
  font-size:15px;
}
.article-body table th{
  text-align:left;
  padding:12px 14px;
  background:var(--brand-100);
  color:var(--brand-700);
  font-weight:600;
  white-space:nowrap;
}
.article-body table td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.article-body table tr:last-child td{border-bottom:none;}
.article-body .table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-img);}
.article-empty{text-align:center;padding:40px 10px;}
.article-empty i{font-size:34px;color:var(--brand-500);}
.article-empty p{margin:16px 0 22px;font-size:17px;color:var(--ink-600);}
.article-foot{
  max-width:780px;
  margin:26px auto 0;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
  justify-content:space-between;
}
.article-foot .foot-note{font-size:13px;color:var(--ink-400);}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  background:var(--brand-900);
  border-radius:16px;
  padding:48px 40px;
  margin:64px 0 0;
  position:relative;
  overflow:hidden;
  color:rgba(255,255,255,.82);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-80px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(227,163,60,.16) 0%,rgba(227,163,60,0) 70%);
}
.cta-band h2{color:#fff;font-size:26px;}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.74);max-width:620px;}
.cta-points{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 0;}
.cta-points span{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  font-size:13px;
  color:rgba(255,255,255,.86);
}
.cta-points i{color:var(--accent-500);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-band .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.32);}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.6);}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.section-head h2{font-size:24px;}
.section-head p{margin-top:8px;font-size:14px;color:var(--ink-400);}
.section-head a{font-size:14px;font-weight:600;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.related-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:#D6E0EF;}
.related-card .thumb{aspect-ratio:16/10;background:#EEF2F8;overflow:hidden;}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.related-card:hover .thumb img{transform:scale(1.03);}
.related-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-card h3{font-size:17px;font-weight:600;line-height:1.5;}
.related-card p{font-size:14px;line-height:1.7;color:var(--ink-600);}
.related-card .meta{margin-top:auto;font-size:13px;color:var(--ink-400);font-variant-numeric:tabular-nums;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:80px;background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{row-gap:32px;}
.footer-col{padding-bottom:8px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;margin-bottom:16px;}
.footer-brand:hover{color:#fff;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:320px;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;}
.footer-info li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.7);}
.footer-info i{color:var(--accent-500);margin-top:4px;}
.footer-bottom{
  margin-top:48px;
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .article-wrap{padding:36px 0 0;}
  .article-head h1{font-size:30px;}
  .article-body{padding:32px 28px 36px;}
  .cta-band{padding:40px 28px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media screen and (max-width:767px){
  .article-head h1{font-size:26px;}
  .article-body{padding:26px 20px 30px;}
  .article-body p{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:21px;margin-top:36px;}
  .cta-band h2{font-size:22px;}
  .related{padding-top:48px;}
  .related-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .breadcrumb .crumb-current{max-width:100%;}
}
@media screen and (max-width:519px){
  .article-head h1{font-size:23px;}
  .article-meta{gap:12px 16px;}
  .article-foot{flex-direction:column;align-items:stretch;}
  .article-foot .btn{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --brand-700:#1B3F7E;
  --brand-900:#0F2A55;
  --brand-500:#2E63B8;
  --brand-100:#E6EEFA;
  --accent-500:#E3A33C;
  --accent-100:#FDF3E1;
  --ink-900:#0E1B2E;
  --ink-600:#46586F;
  --ink-400:#7C8CA1;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --ok:#2E9E6B;
  --alert:#D64545;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(16,27,45,.06);
  --sh-md:0 6px 20px -8px rgba(29,62,122,.18);
  --sh-lg:0 16px 40px -16px rgba(15,42,85,.24);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-600);
  background:var(--bg);
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-500);text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0}
:focus-visible{outline:3px solid rgba(46,99,184,.35);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:640px){.container{padding:0 24px}}
@media (min-width:1024px){.container{max-width:1264px;padding:0 32px}}

.grid-padding-x{margin-left:-12px;margin-right:-12px}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md)}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;transition:height .22s ease}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--ink-900);letter-spacing:.01em;white-space:nowrap}
.logo-mark{width:26px;height:26px;display:inline-grid;place-items:center}
.logo-mark svg{width:100%;height:100%}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:22px}
.nav-link{
  position:relative;display:inline-block;padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-600);transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--brand-100);color:var(--brand-700)}
.nav-link.active{color:var(--brand-700)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  border-radius:2px;background:var(--brand-700);
}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;padding:0;
  background:#fff;border:1px solid var(--line);border-radius:10px;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;margin:4px auto;background:var(--brand-700);border-radius:2px;transition:transform .2s ease}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:hover{background:var(--brand-900);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}
.btn-light{background:#fff;color:var(--brand-900)}
.btn-light:hover{background:var(--brand-100);color:var(--brand-900)}
.btn-accent{background:var(--accent-500);color:#231607}
.btn-accent:hover{background:#D2912B;color:#231607}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- Page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  padding:32px 0 48px;
  background:linear-gradient(180deg,#FFFFFF 0%,#F5F7FB 100%);
  border-bottom:1px solid var(--line);
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 18% 24%,rgba(227,163,60,.07) 0,transparent 42%),
    radial-gradient(circle at 82% 8%,rgba(27,63,126,.06) 0,transparent 38%);
}
.page-head .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:32px;color:var(--ink-400);margin-bottom:18px}
.crumb a{color:var(--ink-400)}
.crumb a:hover{color:var(--brand-500)}
.crumb span.sep{color:#C3CDDB}
.crumb .current{color:var(--ink-600)}
.head-row{align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:700;letter-spacing:.04em;
}
.page-head h1{
  font-size:32px;line-height:1.35;font-weight:800;color:var(--ink-900);
  letter-spacing:-.01em;max-width:640px;
}
.head-sub{margin-top:14px;font-size:17px;line-height:1.7;color:var(--ink-600);max-width:560px}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.head-badges{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.head-badges li{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--brand-700);box-shadow:var(--sh-sm);
}
.head-badges i{color:var(--accent-500)}
.head-figure{
  margin-top:28px;border-radius:16px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-lg);background:#EEF2F8;
}
.head-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
@media (min-width:1024px){
  .head-figure{margin-top:0}
  .page-head h1{font-size:38px}
}

.status-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  margin-top:26px;padding:14px 18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:var(--sh-sm);max-width:640px;
}
.status-dot{width:9px;height:9px;border-radius:50%;background:var(--alert);box-shadow:0 0 0 4px rgba(214,69,69,.14);flex:0 0 auto}
.status-text{font-size:14px;font-weight:700;color:var(--ink-900)}
.status-time{font-size:13px;color:var(--ink-400);margin-left:auto;font-variant-numeric:tabular-nums}

.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}
.fact{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;box-shadow:var(--sh-sm)}
.fact-num{display:block;font-size:22px;font-weight:800;color:var(--brand-700);line-height:1.3;font-variant-numeric:tabular-nums}
.fact-label{font-size:13px;color:var(--ink-400)}

/* ---------- Guide layout ---------- */
.guide-wrap{padding:56px 0 0}
@media (min-width:1024px){.guide-wrap{padding:80px 0 0}}
.toc-col{position:relative}
.side-toc{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-sm);
}
.toc-title{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--ink-400);margin-bottom:12px}
.toc-link{
  display:block;padding:10px 12px;border-radius:8px;
  font-size:14px;font-weight:600;color:var(--ink-600);
  border-left:2px solid transparent;transition:background .18s ease,color .18s ease;
}
.toc-link:hover{background:var(--brand-100);color:var(--brand-700)}
.toc-link.active{background:var(--brand-100);color:var(--brand-700);border-left-color:var(--brand-700)}
.toc-cta{width:100%;margin-top:16px}
.toc-chips{display:none;gap:8px;overflow-x:auto;padding:14px 0 6px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.toc-chips::-webkit-scrollbar{display:none}
.toc-chips a{
  flex:0 0 auto;padding:9px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink-600);white-space:nowrap;
}
.toc-chips a.active{background:var(--brand-700);border-color:var(--brand-700);color:#fff}
@media (max-width:1023px){
  .side-toc{display:none}
  .toc-chips{display:flex}
}

.sec{padding-bottom:36px;margin-bottom:36px;border-bottom:1px solid var(--line);scroll-margin-top:100px}
.sec:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.sec-title{
  position:relative;display:flex;align-items:baseline;gap:12px;
  padding-left:16px;margin-bottom:18px;
  font-size:24px;line-height:1.4;font-weight:700;color:var(--ink-900);
}
.sec-title::before{
  content:"";position:absolute;left:0;top:8px;bottom:6px;width:4px;
  border-radius:2px;background:var(--brand-700);
}
.sec-index{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--accent-500);font-variant-numeric:tabular-nums}
.sec-text{font-size:16px;line-height:1.9;color:var(--ink-600);margin-bottom:16px}
.sec-text:last-of-type{margin-bottom:0}
.sec-figure{
  margin:24px 0 0;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-sm);background:#EEF2F8;
}
.sec-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.sec h3{font-size:17px;font-weight:600;color:var(--ink-900);margin-bottom:6px}

.step-list{list-style:none;display:grid;gap:12px;margin-top:22px}
.step-item{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh-sm);
  transition:box-shadow .2s ease,transform .2s ease;
}
.step-item:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.step-num{
  flex:0 0 32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand-700);
  font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
}
.step-item p{font-size:15px;line-height:1.8;color:var(--ink-600)}

.line-list{list-style:none;display:grid;gap:10px;margin-top:22px}
.line-item{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;
}
.line-item .dot{width:8px;height:8px;border-radius:50%;flex:0 0 auto}
.dot-ok{background:var(--ok);box-shadow:0 0 0 4px rgba(46,158,107,.14)}
.dot-warn{background:var(--accent-500);box-shadow:0 0 0 4px rgba(227,163,60,.18)}
.line-name{font-size:15px;font-weight:700;color:var(--ink-900)}
.line-note{font-size:14px;color:var(--ink-600)}
.line-tag{
  margin-left:auto;padding:4px 10px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:700;
}

.alert-list{list-style:none;display:grid;gap:10px;margin-top:22px}
.alert-list li{
  display:flex;gap:12px;font-size:15px;line-height:1.8;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent-500);
  border-radius:10px;padding:14px 18px;color:var(--ink-600);
}
.alert-list b{color:var(--ink-900);font-weight:700}
.alert-list .idx{
  flex:0 0 24px;height:24px;margin-top:2px;border-radius:50%;
  display:grid;place-items:center;background:var(--accent-100);color:#9A6A16;
  font-size:12px;font-weight:800;font-variant-numeric:tabular-nums;
}

/* ---------- Blocks ---------- */
.block{padding:56px 0 0}
@media (min-width:1024px){.block{padding:80px 0 0}}
.block-head{margin-bottom:28px}
.block-title{font-size:24px;line-height:1.4;font-weight:700;color:var(--ink-900);margin-bottom:8px}
.block-sub{font-size:15px;color:var(--ink-400)}

.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.check-item{
  display:flex;align-items:flex-start;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:14px 18px;font-size:15px;color:var(--ink-600);box-shadow:var(--sh-sm);
}
.check-item i{color:var(--brand-500);margin-top:5px}

.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.qa-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-sm);transition:box-shadow .2s ease,transform .2s ease;
}
.qa-item:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.qa-q{font-size:16px;font-weight:700;color:var(--ink-900);margin-bottom:8px}
.qa-a{font-size:15px;line-height:1.85;color:var(--ink-600)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.35fr 1fr;gap:32px;align-items:center;
  background:var(--brand-900);border-radius:16px;padding:48px 40px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 86% 18%,rgba(227,163,60,.18) 0,transparent 46%),
    radial-gradient(circle at 8% 92%,rgba(46,99,184,.35) 0,transparent 48%);
}
.cta-copy,.cta-actions{position:relative;z-index:1}
.cta-band h2{font-size:26px;line-height:1.4;font-weight:700;color:#fff;margin-bottom:12px}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);margin-bottom:18px}
.cta-points{list-style:none;display:grid;gap:9px}
.cta-points li{display:flex;align-items:flex-start;gap:9px;font-size:15px;color:rgba(255,255,255,.86)}
.cta-points i{color:var(--accent-500);margin-top:5px}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn{width:100%}

/* ---------- Footer ---------- */
.site-footer{margin-top:80px;background:var(--brand-900);color:rgba(255,255,255,.72);padding-top:56px}
.footer-grid{padding-bottom:28px}
.footer-col{margin-bottom:26px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;font-size:17px;font-weight:800;color:#fff}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7)}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-links{list-style:none;display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease}
.footer-links a:hover{color:#fff}
.footer-info{list-style:none;display:grid;gap:12px}
.footer-info li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-info i{margin-top:4px;color:var(--accent-500)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- Responsive ---------- */
@media (max-width:959px){
  .header-inner,.site-header.is-scrolled .header-inner{height:64px}
  .nav-toggle{display:block}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;z-index:70;
    margin-left:0;flex-direction:column;align-items:stretch;gap:0;
    padding:16px 20px 104px;background:#fff;overflow-y:auto;
    transform:translateY(-10px);opacity:0;pointer-events:none;
    transition:opacity .22s ease,transform .22s ease;
  }
  .main-nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav-link{padding:16px 4px;font-size:17px;border-radius:0;border-bottom:1px solid var(--line)}
  .nav-link.active::after{display:none}
  .nav-cta{position:fixed;left:20px;right:20px;bottom:20px;height:48px}
}
@media (max-width:900px){
  .cta-band{grid-template-columns:1fr;padding:34px 24px}
  .cta-actions{flex-direction:row}
  .cta-actions .btn{width:auto;flex:1}
}
@media (max-width:767px){
  .page-head{padding:20px 0 34px}
  .page-head h1{font-size:27px}
  .head-sub{font-size:16px}
  .facts{grid-template-columns:repeat(2,1fr)}
  .sec-title{font-size:21px}
  .block-title{font-size:21px}
  .check-grid{grid-template-columns:1fr}
  .qa-grid{grid-template-columns:1fr}
  .status-time{margin-left:0;width:100%}
}
@media (max-width:520px){
  .head-actions .btn{width:100%}
  .cta-actions{flex-direction:column}
  .cta-band h2{font-size:22px}
  .step-item{padding:16px}
  .line-tag{margin-left:0}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category2 */
:root{
  --brand-900:#0F2A55;
  --brand-700:#1B3F7E;
  --brand-500:#2E63B8;
  --brand-100:#E6EEFA;
  --accent-500:#E3A33C;
  --accent-100:#FDF3E1;
  --ink-900:#0E1B2E;
  --ink-600:#46586F;
  --ink-400:#7C8CA1;
  --line:#E3E9F2;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --alert:#D64545;
  --ok:#1F7A4D;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(16,27,45,.06);
  --sh-md:0 6px 20px -8px rgba(29,62,122,.18);
  --sh-lg:0 16px 40px -16px rgba(15,42,85,.24);
  --wrap:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink-600);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-700)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.32}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(46,99,184,.35);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px}
.grid-padding-x{margin-left:-12px;margin-right:-12px}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px}
.row-tight{margin-bottom:0}

/* ---------- 顶部状态条 ---------- */
.topbar{background:var(--brand-900);color:#fff}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:46px;padding:6px 0;flex-wrap:wrap}
.topbar-left{display:flex;align-items:center;gap:10px;font-size:13.5px}
.topbar-tag{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;background:rgba(227,163,60,.16);color:var(--accent-500);font-size:12.5px;font-weight:700}
.topbar-right{font-size:13px;color:rgba(255,255,255,.68);font-variant-numeric:tabular-nums}
.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--accent-500);display:inline-block}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:var(--sh-md)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:height .2s ease}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:800;font-size:17px;letter-spacing:.01em}
.logo:hover{color:var(--brand-700)}
.logo-mark{width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.logo-mark svg{width:100%;height:100%}
.logo-text{white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:12px;align-self:stretch}
.nav-link{display:inline-flex;align-items:center;height:100%;padding:0 12px;font-size:15px;font-weight:600;color:var(--ink-900);position:relative;border-radius:8px}
.nav-link:hover{color:var(--brand-700);background:var(--brand-100)}
.nav-link.active{color:var(--brand-700)}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:14px;height:2px;border-radius:2px;background:var(--brand-700)}
.nav-cta{margin-left:16px;align-self:center}
.nav-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;background:none;border:0;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:22px;height:2px;border-radius:2px;background:var(--brand-700);transition:transform .2s ease,opacity .2s ease}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;white-space:nowrap}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-900);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink-900)}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}
.btn-light{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.38);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.2);color:#fff;border-color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:12.5px;font-weight:600;background:var(--brand-100);color:var(--brand-700)}
.badge-accent{background:var(--accent-100);color:#96660F}
.badge-open{background:#E9F5EE;color:var(--ok)}
.badge-alert{background:#FBECEA;color:#B33F32}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent-500);display:inline-block}
.dot-red{background:var(--alert)}
.dot-green{background:var(--ok)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  color:#fff;
  padding:72px 0 56px;
  background-image:linear-gradient(118deg,rgba(15,42,85,.94) 0%,rgba(27,63,126,.86) 52%,rgba(46,99,184,.72) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.05;
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-inner{max-width:760px}
.hero h1{font-size:40px;line-height:1.2;font-weight:800;color:#fff;margin:14px 0 16px}
.hero-lead{font-size:17px;line-height:1.8;color:rgba(255,255,255,.84);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-proof{display:flex;flex-wrap:wrap;gap:20px;margin-top:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.16)}
.hero-proof span{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.82)}
.hero-proof i{color:var(--accent-500)}

/* ---------- chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.chip{display:inline-flex;align-items:center;height:42px;padding:0 20px;border-radius:999px;border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.08);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}
.chip:hover{background:rgba(255,255,255,.2);color:#fff}
.chip.is-active{background:#fff;color:var(--brand-700);border-color:#fff;box-shadow:var(--sh-md)}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);line-height:32px;padding:22px 0 0}
.breadcrumb a{color:var(--ink-400)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .current{color:var(--ink-600)}

/* ---------- 板块 ---------- */
.section{padding:80px 0}
.section-white{background:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-500);letter-spacing:.06em;margin-bottom:12px}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--accent-500)}
.section-title{font-size:26px;font-weight:700;color:var(--ink-900);margin-bottom:12px}
.section-sub{font-size:16px;color:var(--ink-600);max-width:680px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- 活动卡片 ---------- */
.act-card{display:flex;flex-direction:column;height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-sm);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;margin-bottom:24px}
.act-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:#D3DEEE}
.act-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EEF2F8}
.act-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.act-card:hover .act-media img{transform:scale(1.04)}
.act-media .badge{position:absolute;left:12px;top:12px;background:#fff;color:var(--brand-700);box-shadow:var(--sh-sm)}
.act-media .badge-alert{color:#B33F32}
.act-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.act-body h3{font-size:18px;font-weight:600;color:var(--ink-900)}
.act-body p{font-size:15px;line-height:1.75;color:var(--ink-600)}
.act-meta{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-400);font-variant-numeric:tabular-nums}
.act-meta span{display:inline-flex;align-items:center;gap:6px}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin:0;padding:0}
.timeline::before{content:"";position:absolute;left:11px;top:10px;bottom:10px;width:2px;background:var(--line)}
.timeline-item{position:relative;padding:0 0 28px 40px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{content:"";position:absolute;left:4px;top:6px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--brand-500);box-shadow:0 0 0 4px rgba(46,99,184,.10)}
.timeline-item h3{font-size:17px;font-weight:600;color:var(--ink-900);margin-bottom:6px}
.timeline-item p{font-size:15px;color:var(--ink-600)}
.timeline-step{display:inline-block;font-size:12.5px;font-weight:700;color:var(--brand-500);font-variant-numeric:tabular-nums;margin-bottom:4px}

.panel-dark{background:var(--brand-900);color:rgba(255,255,255,.78);border-radius:16px;padding:32px;height:100%}
.panel-dark h3{color:#fff;font-size:18px;font-weight:700;margin-bottom:14px}
.panel-dark ul li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.panel-dark ul li:last-child{border-bottom:0;padding-bottom:0}
.panel-dark i{color:var(--accent-500);margin-top:5px}
.panel-dark strong{color:#fff;font-weight:600}

/* ---------- 数据条 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--brand-900);border-radius:16px;padding:28px 8px;color:#fff;margin-bottom:40px}
.stat-item{padding:0 24px;border-left:1px solid rgba(255,255,255,.14)}
.stat-item:first-child{border-left:0}
.stat-num{font-size:26px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.3}
.stat-label{font-size:13px;color:rgba(255,255,255,.66);margin-top:4px}

/* ---------- 条件列表 ---------- */
.cond-list li{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.cond-list li:last-child{border-bottom:0}
.cond-num{flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:var(--brand-100);color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-size:13.5px;font-weight:700;font-variant-numeric:tabular-nums}
.cond-list h3{font-size:17px;font-weight:600;color:var(--ink-900);margin-bottom:6px}
.cond-list p{font-size:15px;color:var(--ink-600)}

/* ---------- 清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.check-item{display:flex;align-items:flex-start;gap:12px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 18px;font-size:15px;color:var(--ink-600);box-shadow:var(--sh-sm);transition:border-color .2s ease,box-shadow .2s ease}
.check-item:hover{border-color:#CCDAEE;box-shadow:var(--sh-md)}
.check-item i{color:var(--brand-500);margin-top:4px}

/* ---------- FAQ ---------- */
.faq{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-sm);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;gap:14px;min-height:60px;padding:10px 20px;background:none;border:0;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink-900);cursor:pointer;transition:background-color .2s ease}
.faq-q:hover{background:#F8FAFD}
.faq-index{flex:0 0 auto;width:28px;height:28px;border-radius:8px;background:var(--brand-100);color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}
.faq-icon{margin-left:auto;color:var(--brand-500);transition:transform .2s ease;flex:0 0 auto}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a-inner{padding:0 20px 20px 62px;font-size:15px;line-height:1.85;color:var(--ink-600)}

/* ---------- CTA ---------- */
.cta-panel{position:relative;background:var(--brand-900);border-radius:16px;padding:48px 40px;color:#fff;overflow:hidden}
.cta-panel::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(227,163,60,.22),transparent 65%);
}
.cta-panel .cell{position:relative;z-index:2}
.cta-title{font-size:26px;font-weight:700;color:#fff;margin-bottom:12px}
.cta-text{font-size:15.5px;color:rgba(255,255,255,.78);max-width:520px}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.cta-points span{display:inline-flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.82)}
.cta-points i{color:var(--accent-500)}
.cta-actions{display:flex;flex-direction:column;gap:14px}
.cta-note{font-size:13px;color:rgba(255,255,255,.6);line-height:1.7}

.back-home{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 28px;box-shadow:var(--sh-sm)}
.back-home p{font-size:15px;color:var(--ink-600)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:80px}
.footer-grid{margin-bottom:8px}
.footer-col{margin-bottom:32px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px}
.footer-brand:hover{color:#fff}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:300px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:#fff}
.footer-info li{display:flex;gap:10px;align-items:flex-start;font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.72)}
.footer-info i{color:var(--accent-500);margin-top:5px}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:13px;color:rgba(255,255,255,.56)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:56px 0}
  .hero{padding:56px 0 44px}
  .hero h1{font-size:32px}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:20px 0;padding:24px 8px}
  .stat-item:nth-child(3){border-left:0}
  .cta-panel{padding:36px 28px}
}

@media screen and (max-width:959px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:0;left:0;right:0;height:100vh;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:96px 24px 32px;
    transform:translateX(100%);transition:transform .26s ease;
    overflow-y:auto;z-index:90;
  }
  .main-nav.is-open{transform:translateX(0);box-shadow:var(--sh-lg)}
  .main-nav .nav-link{height:auto;padding:16px 4px;font-size:17px;border-bottom:1px solid var(--line);border-radius:0;color:var(--ink-900)}
  .main-nav .nav-link.active::after{display:none}
  .main-nav .nav-link.active{color:var(--brand-700)}
  .nav-cta{margin:24px 0 0;width:100%;align-self:stretch;height:48px}
  .nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.is-open span:nth-child(2){opacity:0}
  .nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav-toggle{z-index:95;position:relative}
}

@media screen and (max-width:639px){
  .container{padding:0 20px}
  .grid-padding-x{margin-left:-8px;margin-right:-8px}
  .grid-padding-x>.cell{padding-left:8px;padding-right:8px}
  .section{padding:40px 0}
  .hero{padding:44px 0 36px}
  .hero h1{font-size:28px}
  .hero-lead{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .hero-proof{gap:12px 18px}
  .chips{gap:8px;margin-top:24px}
  .chip{height:40px;padding:0 16px;font-size:13.5px}
  .logo-text{font-size:15.5px}
  .section-title{font-size:22px}
  .stat-strip{grid-template-columns:1fr;gap:0;padding:20px 8px}
  .stat-item{border-left:0;border-top:1px solid rgba(255,255,255,.14);padding:16px 20px}
  .stat-item:first-child{border-top:0}
  .check-grid{grid-template-columns:1fr}
  .faq-a-inner{padding:0 20px 18px 20px}
  .cta-panel{padding:28px 22px}
  .cta-title{font-size:22px}
  .cta-actions .btn{width:100%}
  .back-home{flex-direction:column;align-items:stretch;text-align:center}
  .back-home .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --brand-700:#1B3F7E;
  --brand-900:#0F2A55;
  --brand-500:#2E63B8;
  --brand-100:#E6EEFA;
  --accent-500:#E3A33C;
  --accent-100:#FDF3E1;
  --alert:#C0453B;
  --ink-900:#0E1B2E;
  --ink-600:#46586F;
  --ink-400:#7C8CA1;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(16,27,45,.06);
  --sh-md:0 6px 20px -8px rgba(29,62,122,.18);
  --sh-lg:0 16px 40px -16px rgba(15,42,85,.24);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink-600);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-700)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.35}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:640px){.container{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){.container{max-width:1240px;padding-left:32px;padding-right:32px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;gap:18px;transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.logo-mark svg{width:26px;height:26px;display:block}
.logo-text{font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:.4px}
.logo:hover .logo-text{color:var(--brand-700)}

.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-900);
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--brand-100);color:var(--brand-700)}
.nav-link.active{color:var(--brand-700)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-4px;height:2px;
  background:var(--brand-700);border-radius:2px;
}
.nav-cta{margin-left:14px}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:var(--r-btn);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand-700);border-radius:2px;transition:.2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:959px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;left:0;right:0;top:76px;bottom:0;
    display:block;background:#fff;padding:12px 20px 96px;
    overflow-y:auto;transform:translateX(100%);
    transition:transform .28s ease;gap:0;
    box-shadow:var(--sh-lg);
  }
  .main-nav.open{transform:translateX(0)}
  .nav-link{
    display:flex;width:100%;height:auto;padding:16px 4px;
    border-radius:0;border-bottom:1px solid var(--line);
    font-size:17px;
  }
  .nav-link.active::after{display:none}
  .nav-cta{position:fixed;left:20px;right:20px;bottom:20px;width:auto;margin:0;height:48px}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-900);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}
.btn-light{background:#fff;color:var(--brand-900)}
.btn-light:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:focus-visible,.nav-link:focus-visible,.nav-toggle:focus-visible,
.faq-q:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(46,99,184,.35);outline-offset:2px;
}

/* ============ 分类页 Banner ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--brand-900) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(103deg,rgba(15,42,85,.94) 0%,rgba(27,63,126,.82) 52%,rgba(27,63,126,.58) 100%);
}
.hero-deco{position:absolute;right:-40px;top:-30px;width:420px;opacity:.06;z-index:1;pointer-events:none}
.page-hero .container{position:relative;z-index:2;padding-top:34px;padding-bottom:58px}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;line-height:32px;color:rgba(255,255,255,.68);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.68)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:rgba(255,255,255,.4)}
.breadcrumb .cur{color:#fff;font-weight:600}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(227,163,60,.18);border:1px solid rgba(227,163,60,.5);
  color:var(--accent-500);font-size:13px;font-weight:700;letter-spacing:.08em;
  margin-bottom:18px;
}
.page-hero h1{
  color:#fff;font-size:32px;line-height:1.32;font-weight:800;
  max-width:820px;margin-bottom:16px;
}
.hero-sub{
  color:rgba(255,255,255,.82);font-size:16px;max-width:680px;margin-bottom:26px;
}
.hero-status{display:flex;flex-wrap:wrap;gap:10px}
.status-pill{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  font-size:13px;font-weight:600;color:rgba(255,255,255,.9);
}
.status-pill i{font-size:8px;color:var(--accent-500)}

@media (min-width:1024px){
  .page-hero h1{font-size:40px}
  .page-hero .container{padding-top:46px;padding-bottom:70px}
}

/* ============ 板块 ============ */
.section{padding:40px 0}
@media (min-width:640px){.section{padding:56px 0}}
@media (min-width:1024px){.section{padding:80px 0}}
.section-head{margin-bottom:32px}
@media (min-width:1024px){.section-head{margin-bottom:40px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand-500);
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand-500);border-radius:2px}
.sec-title{font-size:26px;line-height:1.3;font-weight:700}
@media (min-width:1024px){.sec-title{font-size:30px}}
.sec-sub{margin-top:12px;color:var(--ink-600);max-width:780px;font-size:15px}

/* ============ 信息卡 ============ */
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);padding:26px 22px;height:100%;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.info-card:hover{box-shadow:var(--sh-md);transform:translateY(-3px);border-color:#D5DFEE}
.info-icon{
  width:46px;height:46px;border-radius:12px;background:var(--brand-100);
  display:flex;align-items:center;justify-content:center;color:var(--brand-700);
  font-size:19px;margin-bottom:18px;
}
.info-card h3{font-size:18px;font-weight:600;margin-bottom:10px}
.info-card p{font-size:14.5px;color:var(--ink-600);margin:0}
.card-row{margin-bottom:0}
@media (max-width:639px){.card-row{margin-bottom:16px}}

/* ============ 参数表 ============ */
.table-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.rule-table{width:100%;border-collapse:collapse;min-width:640px}
table.rule-table thead th{
  background:#F0F4FA;color:var(--ink-900);font-size:13px;font-weight:700;
  letter-spacing:.06em;text-align:left;padding:16px 22px;white-space:nowrap;
  border-bottom:1px solid var(--line);
}
table.rule-table td{
  padding:18px 22px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-600);vertical-align:middle;
}
table.rule-table tbody tr:last-child td{border-bottom:none}
table.rule-table tbody tr:hover{background:#FAFCFF}
table.rule-table td.item{color:var(--ink-900);font-weight:600;white-space:nowrap}
table.rule-table td.value{
  text-align:right;color:var(--brand-700);font-weight:700;white-space:nowrap;
  font-variant-numeric:tabular-nums;
}
.table-note{
  display:flex;align-items:flex-start;gap:10px;
  padding:16px 22px;background:var(--accent-100);
  font-size:13.5px;color:#7A5A1F;border-top:1px solid #F3E2C4;
}
.table-note i{margin-top:4px;color:var(--accent-500)}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:640px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);gap:20px}}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-sm);padding:26px 22px 24px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.step:hover{box-shadow:var(--sh-md);transform:translateY(-3px)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;background:var(--brand-700);color:#fff;
  font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14.5px;line-height:1.7;margin:0;color:var(--ink-600)}

/* ============ 图文区块 ============ */
.split{display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
@media (min-width:1024px){.split{grid-template-columns:1.05fr 1fr;gap:48px}}
.split-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-md)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.check-list li{
  position:relative;padding-left:30px;margin-bottom:14px;font-size:15px;color:var(--ink-600);
}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;
  background:var(--brand-100);color:var(--brand-700);
  font-size:10px;display:flex;align-items:center;justify-content:center;
}

/* 深色信息面板 */
.dark-panel{
  background:var(--brand-900);border-radius:var(--r-card);color:rgba(255,255,255,.82);
  padding:32px 26px;box-shadow:var(--sh-lg);position:relative;overflow:hidden;
}
.dark-panel::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:240px;height:240px;
  background:radial-gradient(circle,rgba(227,163,60,.22),transparent 68%);
}
.dark-panel h3{color:#fff;font-size:20px;margin-bottom:14px;position:relative;z-index:2}
.dark-panel p{position:relative;z-index:2;font-size:15px}
.dark-panel .hl{color:var(--accent-500);font-weight:700;font-variant-numeric:tabular-nums}

/* ============ FAQ ============ */
.faq-group{margin-bottom:34px}
.faq-group:last-child{margin-bottom:0}
.faq-group-title{
  display:flex;align-items:center;gap:12px;
  font-size:19px;font-weight:700;margin-bottom:16px;color:var(--ink-900);
}
.faq-group-title span.bar{
  display:inline-block;width:4px;height:20px;border-radius:3px;background:var(--brand-700);
}
.faq-list{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  min-height:60px;padding:16px 22px;background:transparent;border:none;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--ink-900);line-height:1.5;
  transition:background .2s ease;
}
.faq-q:hover{background:#FAFCFF}
.faq-num{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--brand-100);
  color:var(--brand-700);font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
}
.faq-text{flex:1 1 auto}
.faq-icon{
  flex:0 0 auto;position:relative;width:18px;height:18px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-500);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a-inner{padding:0 22px 22px 70px;font-size:15px;line-height:1.85;color:var(--ink-600)}
@media (max-width:639px){
  .faq-q{padding:14px 16px;font-size:15.5px;gap:10px}
  .faq-a-inner{padding:0 16px 18px 60px;font-size:14.5px}
}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand-900);border-radius:var(--r-card);color:#fff;
  padding:32px 26px;box-shadow:var(--sh-lg);position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(227,163,60,.2),transparent 66%);
}
.cta-band h2{color:#fff;font-size:24px;margin-bottom:12px;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.8);font-size:15px;max-width:560px;position:relative;z-index:2}
.cta-points{margin:20px 0 24px;position:relative;z-index:2}
.cta-points li{
  position:relative;padding-left:24px;margin-bottom:10px;
  font-size:14.5px;color:rgba(255,255,255,.86);
}
.cta-points li:last-child{margin-bottom:0}
.cta-points li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
  background:var(--accent-500);
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}
@media (min-width:1024px){.cta-band{padding:48px 40px}}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:60px;padding-top:56px}
.footer-grid{margin-bottom:8px}
.footer-col{margin-bottom:32px}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;
  color:#fff;font-weight:800;font-size:16px;letter-spacing:.4px;
}
.footer-brand:hover{color:#fff}
.footer-brand .logo-mark svg{width:24px;height:24px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:320px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:#fff}
.footer-info li{
  display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;
  font-size:14px;color:rgba(255,255,255,.7);
}
.footer-info i{margin-top:4px;color:var(--accent-500);font-size:13px;width:16px;flex:0 0 auto}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.55);
  font-variant-numeric:tabular-nums;
}
@media (max-width:639px){
  .site-footer{padding-top:40px}
  .footer-bottom{justify-content:flex-start}
}