/* roulang page: index */
:root {
  --primary: #142e5b;
  --primary-light: #1e4a8f;
  --primary-lighter: #2a64b3;
  --accent: #f0a500;
  --accent-light: #ffb820;
  --bg-body: #f4f6fb;
  --bg-white: #ffffff;
  --bg-deep: #0d1b3e;
  --text-main: #1c2b3d;
  --text-soft: #52657a;
  --text-light: #8a9bb0;
  --border: #e3e9f2;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(20,46,91,.06);
  --shadow: 0 6px 24px rgba(20,46,91,.08);
  --shadow-lg: 0 16px 44px rgba(20,46,91,.14);
  --gradient-main: linear-gradient(135deg,#142e5b,#1e4a8f);
  --gradient-accent: linear-gradient(135deg,#f0a500,#ffb820);
  --font: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg-body);color:var(--text-main);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:all .3s ease}
img{max-width:100%;display:block}
button,input{font-family:inherit}
.container{max-width:1200px;padding:0 20px}
/* Top Bar */
.top-bar{background:var(--bg-deep);color:rgba(255,255,255,.85);font-size:13px;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.top-bar .container{display:flex;align-items:center;gap:18px}
.top-domain{letter-spacing:.5px;opacity:.8}
.top-domain i{margin-right:5px;color:var(--accent)}
.top-tip{flex:1;text-align:center;opacity:.9}
.top-tip i{margin-right:5px;color:var(--accent)}
.top-link{color:var(--accent-light);font-weight:600;transition:opacity .3s}
.top-link:hover{opacity:.8;color:var(--accent-light)}
/* Header & Nav */
.main-header{background:var(--bg-white);box-shadow:0 2px 20px rgba(20,46,91,.07);position:sticky;top:0;z-index:1000}
.header-inner{display:flex;align-items:center;gap:30px;height:76px}
.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:var(--primary);letter-spacing:.5px}
.logo-icon{width:40px;height:40px;background:var(--gradient-main);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:800;box-shadow:0 4px 12px rgba(20,46,91,.25)}
.main-nav{display:flex;align-items:center;gap:4px;flex:1}
.main-nav a{padding:8px 16px;border-radius:8px;font-size:15px;font-weight:500;color:var(--text-soft);position:relative}
.main-nav a:hover{color:var(--primary);background:rgba(20,46,91,.05)}
.main-nav a.active{color:var(--primary);font-weight:600;background:rgba(20,46,91,.06)}
.main-nav a.active::after{content:'';position:absolute;bottom:0;left:16px;right:16px;height:2px;background:var(--accent);border-radius:2px}
.header-cta{padding:0 16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-weight:600;transition:all .3s ease;border:2px solid transparent;cursor:pointer;letter-spacing:.3px}
.btn-primary{background:var(--gradient-main);color:#fff;padding:10px 24px;box-shadow:0 4px 16px rgba(20,46,91,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(20,46,91,.35);color:#fff}
.btn-outline{border-color:var(--primary);color:var(--primary);padding:9px 22px;background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-accent{background:var(--gradient-accent);color:var(--bg-deep);padding:10px 24px;box-shadow:0 4px 16px rgba(240,165,0,.3);font-weight:700}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(240,165,0,.45);color:var(--bg-deep)}
.btn-lg{padding:14px 36px;font-size:17px;border-radius:12px}
.btn-sm{padding:7px 16px;font-size:14px}
.btn-light-outline{border-color:rgba(255,255,255,.6);color:#fff;padding:10px 24px;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}
.btn-light-outline:hover{background:#fff;color:var(--primary);transform:translateY(-2px)}
.nav-toggle{display:none;background:none;border:none;font-size:22px;color:var(--primary);cursor:pointer;padding:8px}
/* Hero */
.hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden;background:var(--bg-deep)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.45;z-index:0}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,27,62,.85) 0%,rgba(13,27,62,.55) 60%,rgba(13,27,62,.3) 100%)}
.hero .container{position:relative;z-index:1;padding:70px 20px}
.hero-content{max-width:640px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(240,165,0,.18);border:1px solid rgba(240,165,0,.4);color:var(--accent-light);padding:6px 16px;border-radius:30px;font-size:14px;font-weight:600;margin-bottom:22px;backdrop-filter:blur(8px)}
.hero-badge i{font-size:12px}
.hero h1{font-size:52px;font-weight:800;color:#fff;line-height:1.2;margin-bottom:20px;letter-spacing:-1px}
.hero h1 span{color:var(--accent);position:relative}
.hero p{font-size:18px;color:rgba(255,255,255,.85);line-height:1.8;margin-bottom:36px;max-width:540px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-meta{display:flex;gap:28px;margin-top:40px;color:rgba(255,255,255,.7);font-size:14px}
.hero-meta i{margin-right:6px;color:var(--accent)}
/* Section common */
.section{padding:84px 0}
.section-alt{background:var(--bg-white)}
.section-head{text-align:center;max-width:680px;margin:0 auto 52px}
.section-tag{display:inline-block;background:rgba(20,46,91,.06);color:var(--primary);font-size:13px;font-weight:600;padding:5px 14px;border-radius:30px;letter-spacing:.5px;margin-bottom:12px;border:1px solid rgba(20,46,91,.08)}
.section-tag.accent{background:rgba(240,165,0,.1);color:#a97100;border-color:rgba(240,165,0,.25)}
.section-head h2{font-size:36px;font-weight:800;color:var(--text-main);margin-bottom:14px;letter-spacing:-.5px}
.section-head p{color:var(--text-soft);font-size:16px;line-height:1.8}
/* Feature cards */
.feature-card{background:var(--bg-white);border-radius:var(--radius);padding:36px 28px;border:1px solid var(--border);box-shadow:var(--shadow-sm);text-align:center;transition:all .4s ease;height:100%}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(20,46,91,.2)}
.feature-card i{width:64px;height:64px;background:var(--gradient-main);border-radius:16px;display:inline-flex;align-items:center;justify-content:center;font-size:24px;color:#fff;margin-bottom:20px;box-shadow:0 8px 20px rgba(20,46,91,.2)}
.feature-card h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--text-main)}
.feature-card p{color:var(--text-soft);font-size:14px;line-height:1.7;margin:0}
/* Category cards */
.category-card{display:block;background:var(--bg-white);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:all .4s ease;height:100%;position:relative}
.category-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.category-card img{width:100%;height:200px;object-fit:cover;transition:transform .5s ease}
.category-card:hover img{transform:scale(1.05)}
.category-card .cat-body{padding:26px 26px 30px}
.category-card .cat-tag{display:inline-block;background:rgba(240,165,0,.12);color:#a97100;font-size:12px;font-weight:600;padding:4px 12px;border-radius:20px;margin-bottom:12px;border:1px solid rgba(240,165,0,.2)}
.category-card h3{font-size:20px;font-weight:700;color:var(--text-main);margin-bottom:10px}
.category-card p{color:var(--text-soft);font-size:14px;line-height:1.7;margin-bottom:16px}
.card-link{color:var(--primary);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.card-link i{transition:transform .3s}
.category-card:hover .card-link i{transform:translateX(4px)}
/* Stats */
.stats-section{background:var(--bg-deep);position:relative;overflow:hidden}
.stats-section::before{content:'';position:absolute;top:-100px;right:-100px;width:300px;height:300px;background:rgba(240,165,0,.08);border-radius:50%}
.stats-section::after{content:'';position:absolute;bottom:-80px;left:-80px;width:200px;height:200px;background:rgba(255,255,255,.04);border-radius:50%}
.stats-section .section-head h2{color:#fff}
.stats-section .section-head p{color:rgba(255,255,255,.7)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;position:relative;z-index:1}
.stat-item{text-align:center;padding:36px 20px;background:rgba(255,255,255,.05);border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(10px);transition:all .4s ease}
.stat-item:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}
.stat-num{font-size:44px;font-weight:800;color:var(--accent);line-height:1.2;margin-bottom:6px}
.stat-num .suffix{font-size:20px}
.stat-label{color:rgba(255,255,255,.75);font-size:14px;letter-spacing:.5px}
/* News list */
.news-section{background:var(--bg-white)}
.news-list{max-width:860px;margin:0 auto}
.news-item{display:flex;gap:24px;padding:24px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-body);transition:all .35s ease;margin-bottom:16px}
.news-item:hover{box-shadow:var(--shadow);transform:translateX(6px);border-color:rgba(20,46,91,.15)}
.news-num{width:44px;height:44px;background:var(--gradient-main);border-radius:10px;color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:15px}
.news-item h4{font-size:17px;font-weight:600;margin-bottom:6px;line-height:1.5}
.news-item h4 a{color:var(--text-main)}
.news-item h4 a:hover{color:var(--primary)}
.news-item p{color:var(--text-soft);font-size:14px;line-height:1.7;margin-bottom:8px}
.news-meta{display:flex;gap:18px;font-size:13px;color:var(--text-light)}
.news-meta i{margin-right:4px}
.news-empty{text-align:center;padding:60px 20px;color:var(--text-soft);font-size:16px;background:var(--bg-body);border-radius:var(--radius);border:1px dashed var(--border)}
/* Process */
.process-section{background:var(--bg-body)}
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;counter-reset:step}
.step-card{position:relative;background:var(--bg-white);border-radius:var(--radius);padding:32px 26px;text-align:center;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:all .4s ease}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.step-card::before{counter-increment:step;content:'0' counter(step);position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--accent);color:var(--bg-deep);font-weight:800;font-size:13px;padding:4px 14px;border-radius:20px;box-shadow:0 4px 12px rgba(240,165,0,.3)}
.step-card i{font-size:38px;color:var(--primary);margin-bottom:14px;margin-top:8px}
.step-card h4{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--text-main)}
.step-card p{font-size:13px;color:var(--text-soft);line-height:1.6;margin:0}
.step-arrow{position:absolute;right:-24px;top:50%;transform:translateY(-50%);color:var(--primary);font-size:16px;z-index:2;font-size:20px;color:var(--primary);background:var(--bg-white);width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);border:1px solid var(--border)}
/* FAQ */
.faq-section{background:var(--bg-white)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;background:var(--bg-body);transition:all .3s ease;overflow:hidden}
.faq-item:hover{border-color:rgba(20,46,91,.2)}
.faq-item.open{border-color:rgba(20,46,91,.25);box-shadow:var(--shadow-sm)}
.faq-q{display:flex;align-items:flex-start;gap:14px;padding:20px 24px;cursor:pointer;font-weight:600;font-size:15px;color:var(--text-main)}
.faq-q i{color:var(--accent);margin-top:4px;flex-shrink:0;transition:transform .3s}
.faq-item.open .faq-q i.fa-chevron-down{transform:rotate(180deg)}
.faq-q .faq-icon{display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:rgba(240,165,0,.12);border-radius:8px;color:#a97100;flex-shrink:0}
.faq-a{display:none;padding:0 24px 20px 66px;color:var(--text-soft);font-size:14px;line-height:1.8}
.faq-item.open .faq-a{display:block}
/* CTA */
.cta-section{background:linear-gradient(135deg,#0d1b3e,#1e4a8f);padding:72px 0;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-60px;right:-40px;width:280px;height:280px;background:rgba(240,165,0,.12);border-radius:50%}
.cta-section::after{content:'';position:absolute;bottom:-70px;left:20%;width:220px;height:220px;background:rgba(255,255,255,.05);border-radius:50%}
.cta-box{text-align:center;position:relative;z-index:1}
.cta-box h2{color:#fff;font-size:34px;font-weight:800;margin-bottom:14px}
.cta-box p{color:rgba(255,255,255,.75);font-size:16px;max-width:560px;margin:0 auto 32px;line-height:1.8}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
/* Footer */
.main-footer{background:var(--bg-deep);color:rgba(255,255,255,.7);padding:60px 0 0;font-size:14px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand p{color:rgba(255,255,255,.6);line-height:1.8;max-width:320px;font-size:14px}
.footer-domain{display:inline-block;background:rgba(255,255,255,.08);padding:6px 14px;border-radius:8px;font-size:13px;color:rgba(255,255,255,.7);margin-top:16px;letter-spacing:.5px}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.65);transition:all .3s}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{padding:20px 0;text-align:center;border-top:1px solid rgba(255,255,255,.06);color:rgba(255,255,255,.5);font-size:13px}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--accent)}
/* Page Banner (inner pages) */
.page-banner{position:relative;padding:72px 0;background:var(--bg-deep);overflow:hidden}
.page-banner-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.35}
.page-banner-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,27,62,.85),rgba(13,27,62,.6))}
.page-banner .container{position:relative;z-index:1;text-align:center}
.page-banner h1{color:#fff;font-size:38px;font-weight:800;letter-spacing:-.5px}
.page-banner p{color:rgba(255,255,255,.8);font-size:16px;max-width:640px;margin:12px auto 0;line-height:1.8}
.breadcrumb{display:inline-flex;gap:8px;background:rgba(255,255,255,.1);padding:6px 18px;border-radius:30px;font-size:13px;color:rgba(255,255,255,.75);margin-top:20px}
.breadcrumb a{color:var(--accent-light)}
.breadcrumb a:hover{color:#fff}
/* Article Page */
.article-body{background:var(--bg-white);border-radius:var(--radius-lg);padding:48px;border:1px solid var(--border);box-shadow:var(--shadow-sm)}
.article-header{border-bottom:1px solid var(--border);padding-bottom:24px;margin-bottom:30px}
.article-header h1{font-size:32px;font-weight:800;color:var(--text-main);line-height:1.4;margin-bottom:12px}
.article-meta{display:flex;gap:20px;font-size:14px;color:var(--text-light);flex-wrap:wrap}
.article-meta i{margin-right:5px}
.article-content{font-size:16px;line-height:2;color:var(--text-main)}
.article-content p{margin-bottom:18px}
.article-content h2{font-size:24px;font-weight:700;margin:30px 0 16px;color:var(--text-main)}
.article-content h3{font-size:19px;font-weight:700;margin:24px 0 12px}
.article-content ul{padding-left:20px;margin-bottom:18px}
.article-content li{margin-bottom:8px}
.article-content img{border-radius:var(--radius);margin:20px 0}
/* Category intro */
.cat-intro{padding:60px 0}
.intro-card{display:flex;gap:36px;align-items:center;background:var(--bg-white);border-radius:var(--radius-lg);padding:40px;border:1px solid var(--border);box-shadow:var(--shadow-sm)}
.intro-card img{width:280px;height:200px;object-fit:cover;border-radius:var(--radius);flex-shrink:0}
.intro-text h3{font-size:24px;font-weight:800;color:var(--text-main);margin-bottom:12px}
.intro-text p{color:var(--text-soft);line-height:1.8}
.intro-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.intro-tags span{background:rgba(240,165,0,.1);color:#a97100;font-size:13px;padding:4px 12px;border-radius:20px;border:1px solid rgba(240,165,0,.2)}
/* Resource cards */
.resource-card{display:flex;gap:20px;background:var(--bg-white);border-radius:var(--radius);padding:22px;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:all .35s ease;height:100%}
.resource-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(20,46,91,.2)}
.resource-icon{width:56px;height:56px;background:var(--gradient-main);border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;flex-shrink:0}
.resource-body h4{font-size:16px;font-weight:700;margin-bottom:6px;color:var(--text-main)}
.resource-body p{font-size:13px;color:var(--text-soft);line-height:1.6;margin:0}
.resource-body .r-meta{display:inline-flex;align-items:center;gap:6px;margin-top:10px;color:var(--primary);font-size:13px;font-weight:500}
.resource-body .r-meta i{transition:transform .3s}
.resource-card:hover .r-meta i{transform:translateX(3px)}
/* Access compare table */
.access-table-wrap{background:var(--bg-white);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);overflow:hidden}
.access-table-wrap table{width:100%;margin:0}
.access-table-wrap th{background:var(--bg-deep);color:#fff;font-weight:600;font-size:15px;padding:18px 24px;text-align:left}
.access-table-wrap td{padding:18px 24px;border-top:1px solid var(--border);font-size:15px;color:var(--text-main);vertical-align:middle}
.access-table-wrap tr:hover td{background:rgba(20,46,91,.02)}
.access-table-wrap .badge-cell{display:inline-block;padding:4px 12px;border-radius:20px;font-size:13px;font-weight:600}
.badge-recommend{background:rgba(20,46,91,.08);color:var(--primary)}
.badge-optional{background:rgba(240,165,0,.12);color:#a97100}
/* Device cards */
.device-card{display:flex;flex-direction:column;align-items:center;text-align:center;background:var(--bg-white);border-radius:var(--radius);padding:32px 24px;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:all .35s ease;height:100%}
.device-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.device-card i{font-size:44px;color:var(--primary);margin-bottom:16px}
.device-card h4{font-size:16px;font-weight:700;margin-bottom:8px}
.device-card p{font-size:13px;color:var(--text-soft);line-height:1.6;margin:0}
.device-card .dev-status{margin-top:14px;font-size:13px;font-weight:600;color:var(--primary)}
.device-card .dev-status i{margin-right:4px;color:var(--accent);font-size:13px}
/* Contact support */
.support-section{background:var(--bg-white)}
.support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.support-card{text-align:center;padding:40px 24px;background:var(--bg-body);border-radius:var(--radius);border:1px solid var(--border);transition:all .35s ease}
.support-card:hover{box-shadow:var(--shadow);transform:translateY(-5px)}
.support-card i{font-size:36px;color:var(--primary);margin-bottom:16px}
.support-card h4{font-size:18px;font-weight:700;margin-bottom:8px}
.support-card p{font-size:14px;color:var(--text-soft);line-height:1.7;margin-bottom:12px}
.support-card a{color:var(--primary);font-weight:600;font-size:14px}
.support-card a:hover{color:var(--accent)}
/* Responsive */
@media(max-width:1024px){
  .hero h1{font-size:42px}
  .process-steps{grid-template-columns:repeat(2,1fr);gap:24px}
  .step-arrow{display:none}
  .stat-num{font-size:34px}
}
@media(max-width:768px){
  .top-bar .top-tip{display:none}
  .header-inner{height:auto;flex-wrap:wrap;padding:14px 0;gap:12px}
  .main-nav{order:3;flex-basis:100%;display:none;flex-direction:column;gap:0;background:var(--bg-white);border-radius:var(--radius);padding:8px;box-shadow:var(--shadow)}
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 16px}
  .nav-toggle{display:block}
  .header-cta{display:none}
  .hero{min-height:480px}
  .hero h1{font-size:34px}
  .hero p{font-size:15px}
  .hero-meta{flex-direction:column;gap:8px}
  .section{padding:56px 0}
  .section-head h2{font-size:28px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .news-item{flex-direction:column;gap:14px}
  .footer-top{grid-template-columns:1fr;gap:36px}
  .page-banner{padding:56px 0}
  .page-banner h1{font-size:28px}
  .article-body{padding:28px 20px}
  .intro-card{flex-direction:column}
  .intro-card img{width:100%}
  .support-grid{grid-template-columns:1fr}
  .faq-a{padding-left:24px}
}
@media(max-width:520px){
  .hero h1{font-size:28px}
  .hero-actions .btn{width:100%}
  .stat-grid{grid-template-columns:1fr 1fr}
  .process-steps{grid-template-columns:1fr}
  .category-card img{height:180px}
  .access-table-wrap{overflow-x:auto}
  .access-table-wrap table{min-width:560px}
}

/* roulang page: category1 */
:root {
  --primary: #1a4d8f;
  --primary-dark: #0f3460;
  --primary-deeper: #0a1f3c;
  --primary-light: #e8f0fe;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --bg-soft: #f3f6fb;
  --bg-white: #ffffff;
  --bg-dark: #0f172a;
  --text-main: #1e293b;
  --text-muted: #5b6b7f;
  --border: #e2e8f0;
  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --shadow-xs: 0 2px 6px rgba(15, 23, 42, .05);
  --shadow-sm: 0 4px 16px rgba(15, 23, 42, .07);
  --shadow-md: 0 10px 32px rgba(15, 23, 42, .1);
  --shadow-lg: 0 20px 48px rgba(15, 23, 42, .14);
  --transition: .25s ease;
}
* {
  box-sizing: border-box;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  background: var(--bg-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color .25s ease;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button, input, textarea {
  font-family: inherit;
}
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 14px rgba(15, 23, 42, .05);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 72px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--primary-dark);
  letter-spacing: .5px;
  white-space: nowrap;
}
.logo-icon {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: 10px;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(26, 77, 143, .28);
  flex-shrink: 0;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.main-nav a {
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  border-radius: 999px;
  transition: all .25s ease;
}
.main-nav a:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.main-nav a.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(26, 77, 143, .28);
}
.header-cta {
  flex-shrink: 0;
}
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 10px;
  font-size: 18px;
  cursor: pointer;
  flex-shrink: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  border-radius: 999px;
  font-weight: 600;
  line-height: 1.2;
  border: none;
  padding: 12px 26px;
  transition: all .25s ease;
  cursor: pointer;
}
.btn-sm {
  padding: 9px 18px;
  font-size: 14px;
}
.btn-lg {
  padding: 15px 34px;
  font-size: 16px;
}
.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: 0 6px 20px rgba(245, 158, 11, .3);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(245, 158, 11, .38);
  color: #fff;
}
.btn-primary-solid {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 6px 22px rgba(26, 77, 143, .3);
}
.btn-primary-solid:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(26, 77, 143, .38);
  color: #fff;
}
.btn-outline-light {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, .65);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, .12);
  border-color: #fff;
  color: #fff;
}
.page-banner {
  position: relative;
  padding: 96px 0 92px;
  background: linear-gradient(120deg, rgba(10, 31, 60, .96), rgba(26, 77, 143, .88)), url('/assets/images/backpic/back-1.png') center / cover;
  color: #fff;
  overflow: hidden;
}
.page-banner::after {
  content: '';
  position: absolute;
  right: -120px;
  top: -120px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(245, 158, 11, .16);
  filter: blur(60px);
  pointer-events: none;
}
.page-banner .container {
  position: relative;
  z-index: 1;
}
.breadcrumb-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .72);
  margin-bottom: 24px;
}
.breadcrumb-nav a {
  color: rgba(255, 255, 255, .85);
}
.breadcrumb-nav a:hover {
  color: #fff;
}
.breadcrumb-nav .sep {
  opacity: .55;
  font-size: 12px;
}
.breadcrumb-nav .current {
  color: var(--accent);
  font-weight: 600;
}
.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .2);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .5px;
  margin-bottom: 20px;
  color: #fff;
}
.banner-title {
  font-size: clamp(32px, 4.5vw, 50px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: .5px;
}
.banner-text {
  font-size: 17px;
  max-width: 640px;
  color: rgba(255, 255, 255, .86);
  margin-bottom: 32px;
}
.banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.section {
  padding: 84px 0;
}
.section-soft {
  background: var(--bg-soft);
}
.section-head {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .5px;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 14px;
  line-height: 1.3;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
}
.overview-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  height: 100%;
  transition: all .3s ease;
  position: relative;
}
.overview-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.overview-icon {
  width: 54px;
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  font-size: 22px;
  margin-bottom: 18px;
  background: var(--primary-light);
  color: var(--primary);
}
.overview-card:nth-child(2) .overview-icon {
  background: #fef3c7;
  color: var(--accent-dark);
}
.overview-card:nth-child(3) .overview-icon {
  background: #dcfce7;
  color: #16a34a;
}
.overview-card:nth-child(4) .overview-icon {
  background: #fce7f3;
  color: #db2777;
}
.overview-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--primary-dark);
}
.overview-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.overview-card .tag {
  display: inline-block;
  background: rgba(245, 158, 11, .12);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
}
.entry-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  height: 100%;
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
}
.entry-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.entry-card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bg-soft);
}
.entry-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.entry-card:hover .entry-card-img img {
  transform: scale(1.05);
}
.entry-card-img::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 60%;
  background: linear-gradient(to top, rgba(15, 23, 42, .32), transparent);
  pointer-events: none;
}
.entry-card-body {
  padding: 26px 26px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.entry-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.entry-card-tags .tag {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
}
.entry-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 10px;
}
.entry-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 18px;
  flex: 1;
}
.entry-card-link {
  font-weight: 600;
  font-size: 14px;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .25s ease;
}
.entry-card-link i {
  transition: transform .25s ease;
}
.entry-card-link:hover {
  color: var(--accent-dark);
}
.entry-card-link:hover i {
  transform: translateX(4px);
}
.process-wrap {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
}
.process-step {
  display: flex;
  gap: 22px;
  position: relative;
  padding-bottom: 40px;
}
.process-step:last-child {
  padding-bottom: 0;
}
.process-step::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 60px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), rgba(26, 77, 143, .15));
}
.process-step:last-child::before {
  display: none;
}
.step-number {
  flex: 0 0 54px;
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  box-shadow: 0 6px 18px rgba(26, 77, 143, .28);
  z-index: 1;
}
.step-content {
  padding-top: 4px;
}
.step-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 6px;
}
.step-content p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 0;
  max-width: 520px;
}
.tips-panel {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 32px;
  height: 100%;
  transition: all .3s ease;
}
.tips-panel:hover {
  box-shadow: var(--shadow-md);
}
.tips-panel h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.tips-panel h3 i {
  color: var(--accent);
}
.tips-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.tips-list li {
  display: flex;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 15px;
  color: var(--text-main);
  align-items: flex-start;
}
.tips-list li:last-child {
  border-bottom: none;
}
.tips-list li i {
  color: var(--accent);
  font-size: 16px;
  margin-top: 3px;
  flex-shrink: 0;
}
.tips-list li.danger i {
  color: #e11d48;
}
.stats-band {
  background: linear-gradient(120deg, rgba(10, 31, 60, .96), rgba(26, 77, 143, .9)), url('/assets/images/backpic/back-2.png') center / cover;
  color: #fff;
  padding: 76px 0;
}
.stat-item {
  text-align: center;
  padding: 16px;
}
.stat-number {
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-number span {
  color: var(--accent);
}
.stat-label {
  font-size: 15px;
  color: rgba(255, 255, 255, .72);
}
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-wrap .accordion-item {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}
.accordion-button {
  padding: 20px 26px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  background: var(--bg-white);
  box-shadow: none !important;
  transition: all .25s ease;
}
.accordion-button:not(.collapsed) {
  color: var(--primary);
  background: var(--primary-light);
}
.accordion-button:focus {
  box-shadow: none !important;
}
.accordion-button::after {
  background-size: 14px;
}
.accordion-body {
  padding: 0 26px 22px;
  font-size: 15px;
  color: var(--text-muted);
  background: var(--bg-white);
  line-height: 1.75;
}
.cta-section {
  padding: 84px 0;
  background: var(--bg-soft);
}
.cta-band {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)), url('/assets/images/backpic/back-3.png') center / cover;
  border-radius: var(--radius);
  color: #fff;
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-band::after {
  content: '';
  position: absolute;
  left: 10%;
  bottom: -100px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(245, 158, 11, .2);
  filter: blur(70px);
  pointer-events: none;
}
.cta-title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.cta-text {
  color: rgba(255, 255, 255, .82);
  margin-bottom: 30px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  position: relative;
  z-index: 1;
}
.main-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, .7);
  padding: 64px 0 0;
}
.main-footer .logo {
  color: #fff;
}
.main-footer p {
  font-size: 14px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer-brand p {
  margin-top: 16px;
  max-width: 340px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .6);
}
.footer-domain {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  background: rgba(255, 255, 255, .08);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  color: rgba(255, 255, 255, .65);
}
.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
  transition: color .25s ease;
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-bottom {
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, .45);
  border-top: 1px solid rgba(255, 255, 255, .08);
}
.footer-bottom p {
  margin-bottom: 0;
}
.footer-bottom a {
  color: rgba(255, 255, 255, .6);
}
.footer-bottom a:hover {
  color: var(--accent);
}
@media (max-width: 991px) {
  .header-inner {
    min-height: 64px;
    gap: 14px;
  }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px 20px 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 32px rgba(15, 23, 42, .1);
    display: none;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .main-nav.open {
    display: flex;
  }
  .main-nav a {
    border-radius: 10px;
    padding: 12px 16px;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .header-cta {
    display: none;
  }
  .section {
    padding: 64px 0;
  }
  .page-banner {
    padding: 72px 0 68px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .stats-band {
    padding: 60px 0;
  }
  .cta-band {
    padding: 48px 32px;
  }
}
@media (max-width: 767px) {
  .overview-card {
    padding: 24px 20px;
  }
  .entry-card-body {
    padding: 22px 20px 24px;
  }
  .tips-panel {
    padding: 26px 22px;
  }
  .process-step {
    gap: 16px;
  }
  .step-number {
    flex: 0 0 46px;
    height: 46px;
    font-size: 16px;
  }
  .process-step::before {
    left: 23px;
    top: 52px;
  }
  .banner-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  .banner-actions .btn {
    width: 100%;
  }
  .stat-number {
    font-size: 34px;
  }
}
@media (max-width: 575px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .section-head {
    margin-bottom: 36px;
  }
  .section-title {
    font-size: 24px;
  }
  .banner-title {
    font-size: 30px;
  }
  .banner-text {
    font-size: 15px;
  }
  .cta-actions {
    flex-direction: column;
  }
  .cta-actions .btn {
    width: 100%;
  }
}

/* roulang page: article */
:root {
  --primary: #16233c;
  --primary-light: #243b5e;
  --primary-dark: #0d182b;
  --accent: #f0a028;
  --accent-hover: #d98f1e;
  --info-blue: #3b82f6;
  --bg: #f4f6fb;
  --bg-soft: #eef1f6;
  --text: #1c2430;
  --text-weak: #64748b;
  --border: #e2e8f0;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 4px 20px rgba(22,35,60,.06);
  --shadow-lg: 0 16px 44px rgba(22,35,60,.12);
  --transition: all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit}

.container{max-width:1200px;padding-left:20px;padding-right:20px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:50rem;
  padding:11px 28px;
  font-weight:600;
  font-size:15px;
  border:2px solid transparent;
  transition:var(--transition);
  line-height:1.4;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn:focus-visible{outline:3px solid rgba(59,130,246,.35);outline-offset:2px}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-light);border-color:var(--primary-light)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-hover);border-color:var(--accent-hover)}
.btn-outline-primary{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline-primary:hover{background:var(--primary);color:#fff}
.btn-light{background:#fff;color:var(--primary);border-color:#fff}
.btn-light:hover{background:rgba(255,255,255,.88);color:var(--primary)}
.btn-sm{padding:8px 18px;font-size:13px}
.btn-lg{padding:14px 40px;font-size:16px}

.section{padding:80px 0}
.section-alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{text-align:center;max-width:680px;margin:0 auto 48px}
.section-head .section-title{font-size:32px;font-weight:700;color:var(--primary);margin-bottom:10px;letter-spacing:-.5px}
.section-head .section-subtitle{color:var(--text-weak);font-size:16px}

.header-topbar{
  background:var(--primary-dark);
  color:rgba(255,255,255,.7);
  font-size:13px;
  padding:7px 0;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.header-topbar-inner{display:flex;justify-content:space-between;align-items:center;gap:12px}
.header-topbar-inner i{margin-right:5px;color:var(--accent)}
.topbar-domain{opacity:.85;display:inline-flex;align-items:center;gap:6px}

.main-header{
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(14px);
  position:sticky;
  top:0;
  z-index:1000;
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 10px rgba(22,35,60,.04);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  color:var(--primary);
  letter-spacing:-.3px;
  flex-shrink:0;
}
.logo-icon{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--info-blue));
  color:#fff;
  border-radius:11px;
  font-weight:800;
  font-size:19px;
  box-shadow:0 4px 14px rgba(22,35,60,.25);
}
.main-nav{display:flex;gap:28px;align-items:center;margin-left:auto}
.main-nav a{
  font-size:15px;
  font-weight:500;
  color:var(--text-weak);
  padding:10px 2px;
  border-bottom:2px solid transparent;
  line-height:1.2;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--primary)}
.main-nav a.active{color:var(--primary);border-bottom-color:var(--accent);font-weight:600}
.header-cta{flex-shrink:0}
.nav-toggle{
  display:none;
  background:none;
  border:none;
  font-size:24px;
  color:var(--primary);
  cursor:pointer;
  padding:4px 8px;
  border-radius:8px;
}
.nav-toggle:hover{background:var(--bg-soft)}
.nav-toggle:focus-visible{outline:3px solid rgba(59,130,246,.35)}

.article-hero{
  position:relative;
  padding:64px 0 72px;
  color:#fff;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.article-hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(13,24,43,.94) 25%,rgba(22,45,80,.82) 65%,rgba(36,59,94,.72));
}
.article-hero .container{position:relative;z-index:2}
.hero-crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.hero-crumb a{color:rgba(255,255,255,.85)}
.hero-crumb a:hover{color:#fff}
.hero-crumb .sep{opacity:.5}
.article-title{
  font-size:38px;
  font-weight:800;
  line-height:1.35;
  max-width:900px;
  margin:0 0 20px;
  letter-spacing:-.5px;
  text-shadow:0 2px 18px rgba(0,0,0,.2);
}
.article-meta{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  font-size:14px;
}
.article-meta .meta-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  padding:6px 16px;
  border-radius:30px;
  backdrop-filter:blur(6px);
}
.article-meta .meta-item i{color:var(--accent)}

.article-body-section{padding:64px 0 72px}
.article-main{
  background:#fff;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:40px;
}
.article-cover-wrap{
  border-radius:var(--radius-sm);
  overflow:hidden;
  margin-bottom:36px;
  box-shadow:var(--shadow);
}
.article-cover-wrap img{width:100%;height:240px;object-fit:cover}
.article-content{font-size:16px;line-height:1.9;color:#2d3748}
.article-content h2{
  font-size:24px;
  font-weight:700;
  color:var(--primary);
  margin:36px 0 16px;
  padding-bottom:10px;
  border-bottom:2px solid var(--border);
  letter-spacing:-.3px;
}
.article-content h3{font-size:20px;font-weight:600;color:var(--primary);margin:28px 0 12px}
.article-content p{margin-bottom:22px}
.article-content ul,.article-content ol{margin-bottom:22px;padding-left:22px}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin-bottom:8px}
.article-content img{
  border-radius:var(--radius-sm);
  margin:28px 0;
  box-shadow:var(--shadow);
}
.article-content blockquote{
  border-left:4px solid var(--accent);
  background:#f8fafc;
  padding:18px 22px;
  margin:28px 0;
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-weak);
  font-style:normal;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content a{color:var(--info-blue);border-bottom:1px solid rgba(59,130,246,.3)}
.article-content a:hover{color:var(--primary);border-bottom-color:var(--primary)}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0}
.article-content th,.article-content td{border:1px solid var(--border);padding:12px 16px;text-align:left}
.article-content th{background:var(--primary);color:#fff;font-weight:600}

.article-footer{
  margin-top:36px;
  padding-top:24px;
  border-top:1px solid var(--border);
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  font-size:14px;
  color:var(--text-weak);
}
.article-footer .tag-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--bg-soft);
  color:var(--primary);
  border-radius:30px;
  padding:5px 14px;
  font-size:13px;
  font-weight:500;
}
.article-footer a:hover{color:var(--info-blue)}

.not-found{
  text-align:center;
  padding:70px 30px;
}
.not-found i{
  font-size:56px;
  color:#cbd5e1;
  margin-bottom:20px;
}
.not-found h2{font-size:28px;color:var(--primary);margin-bottom:12px}
.not-found p{color:var(--text-weak);margin-bottom:28px}

.sidebar{position:sticky;top:88px}
.side-card{
  background:#fff;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:26px;
  margin-bottom:24px;
  transition:var(--transition);
}
.side-card:hover{box-shadow:var(--shadow-lg)}
.side-card h4{
  font-size:17px;
  font-weight:700;
  color:var(--primary);
  margin-bottom:18px;
  display:flex;
  align-items:center;
  gap:9px;
  padding-bottom:14px;
  border-bottom:2px solid var(--border);
}
.side-card h4 i{color:var(--accent)}
.side-list li{
  padding:13px 0;
  border-bottom:1px dashed var(--border);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{display:flex;flex-direction:column;gap:4px}
.side-list .side-title{
  font-size:14px;
  font-weight:500;
  color:var(--text);
  line-height:1.5;
  transition:var(--transition);
}
.side-list a:hover .side-title{color:var(--info-blue)}
.side-list .side-meta{font-size:12px;color:var(--text-weak);display:flex;align-items:center;gap:6px}
.empty-text{font-size:14px;color:var(--text-weak);text-align:center;padding:12px 0}
.side-nav-list li{margin-bottom:9px}
.side-nav-list a{
  display:flex;
  align-items:center;
  gap:11px;
  background:var(--bg);
  border-radius:11px;
  padding:12px 15px;
  font-size:14px;
  font-weight:500;
  color:var(--text);
  border:1px solid transparent;
  transition:var(--transition);
}
.side-nav-list a i{color:var(--accent);font-size:12px}
.side-nav-list a:hover{
  background:var(--primary);
  color:#fff;
  transform:translateX(4px);
  box-shadow:var(--shadow);
}
.side-nav-list a:hover i{color:var(--accent)}
.side-help{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;
  border-radius:var(--radius);
  padding:26px;
  margin-top:24px;
  position:relative;
  overflow:hidden;
}
.side-help::after{
  content:'\f059';
  font-family:'Font Awesome 6 Free';
  font-weight:900;
  position:absolute;
  right:-12px;
  bottom:-18px;
  font-size:90px;
  opacity:.12;
}
.side-help h4{font-size:17px;font-weight:700;margin-bottom:8px;color:#fff;border-bottom:0;padding:0}
.side-help p{font-size:13px;opacity:.85;margin-bottom:16px}
.side-help .btn{position:relative;z-index:2}

.quick-tips{background:#fff;border-top:1px solid var(--border)}
.quick-tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tip-item{
  display:flex;
  align-items:flex-start;
  gap:18px;
  background:var(--bg);
  border-radius:var(--radius);
  padding:28px;
  border:1px solid var(--border);
  transition:var(--transition);
}
.tip-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:transparent;
}
.tip-icon{
  flex-shrink:0;
  width:52px;
  height:52px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--info-blue));
  color:#fff;
  border-radius:14px;
  font-size:21px;
  box-shadow:0 6px 18px rgba(22,35,60,.22);
}
.tip-item h4{font-size:16px;font-weight:600;margin-bottom:6px;color:var(--primary)}
.tip-item p{font-size:14px;color:var(--text-weak);margin:0;line-height:1.6}

.category-card{
  background:#fff;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  height:100%;
  transition:var(--transition);
  border:1px solid var(--border);
}
.category-card:hover{
  transform:translateY(-8px);
  box-shadow:var(--shadow-lg);
  border-color:transparent;
}
.category-card img{height:170px;width:100%;object-fit:cover}
.category-card-body{padding:26px}
.category-card-body h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--primary)}
.category-card-body p{font-size:14px;color:var(--text-weak);margin-bottom:18px;line-height:1.6}
.category-card-body .btn{width:100%}

.faq-section{background:var(--bg)}
.faq-wrap{max-width:820px;margin:0 auto}
.accordion-item{
  border:1px solid var(--border) !important;
  border-radius:var(--radius-sm) !important;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.accordion-button{
  padding:19px 24px;
  font-weight:600;
  color:var(--text);
  font-size:15px;
  background:#fff;
  border:0;
}
.accordion-button:not(.collapsed){
  background:#fff;
  color:var(--primary);
  box-shadow:0 1px 0 var(--border);
}
.accordion-button:focus{
  box-shadow:none;
  outline:2px solid rgba(59,130,246,.3);
}
.accordion-button::after{background-size:16px;filter:none}
.accordion-body{padding:20px 24px;font-size:14px;color:var(--text-weak);line-height:1.8}

.cta-band{
  background:linear-gradient(135deg,rgba(13,24,43,.95),rgba(36,59,94,.88)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
  padding:76px 0;
  text-align:center;
  position:relative;
}
.cta-band h2{font-size:32px;font-weight:800;margin-bottom:12px}
.cta-band p{opacity:.85;font-size:16px;margin-bottom:32px}
.cta-band .btn:hover{transform:translateY(-3px)}

.main-footer{
  background:var(--primary-dark);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
}
.footer-top{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:44px;
  padding-bottom:42px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;opacity:.68;max-width:380px;margin-bottom:18px;line-height:1.7}
.footer-domain{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  background:rgba(255,255,255,.08);
  padding:7px 16px;
  border-radius:30px;
  border:1px solid rgba(255,255,255,.12);
}
.footer-domain i{color:var(--accent)}
.footer-title{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:18px;
}
.footer-links li{margin-bottom:11px}
.footer-links a{
  font-size:14px;
  opacity:.7;
  display:inline-flex;
  align-items:center;
  gap:7px;
  transition:var(--transition);
}
.footer-links a i{font-size:10px;color:var(--accent)}
.footer-links a:hover{
  opacity:1;
  color:var(--accent);
  padding-left:4px;
}
.footer-bottom{
  padding:22px 0;
  text-align:center;
  font-size:13px;
  opacity:.55;
  border-top:1px solid rgba(255,255,255,.05);
  margin-top:0;
}
.footer-bottom a{color:rgba(255,255,255,.8)}
.footer-bottom a:hover{color:var(--accent)}

@media (max-width: 1024px) {
  .section{padding:64px 0}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .article-title{font-size:32px}
}
@media (max-width: 992px) {
  .main-nav{display:none}
  .main-nav.nav-open{
    display:flex;
    position:fixed;
    top:74px;
    left:0;
    right:0;
    background:#fff;
    flex-direction:column;
    padding:20px 24px 24px;
    box-shadow:var(--shadow-lg);
    border-bottom:1px solid var(--border);
    gap:14px;
    align-items:flex-start;
    z-index:999;
  }
  .main-nav a{font-size:16px;padding:10px 0;border-bottom:1px solid var(--border);width:100%}
  .main-nav a.active{border-bottom-color:var(--accent)}
  .nav-toggle{display:block}
  .header-cta{display:none}
  .sidebar{position:static;margin-top:32px}
}
@media (max-width: 768px) {
  .section{padding:52px 0}
  .section-head{margin-bottom:36px}
  .section-head .section-title{font-size:26px}
  .article-hero{padding:48px 0 56px}
  .article-title{font-size:27px}
  .article-main{padding:22px}
  .article-cover-wrap img{height:180px}
  .quick-tips-grid{grid-template-columns:1fr;gap:16px}
  .footer-top{grid-template-columns:1fr;gap:32px;padding-bottom:32px}
  .header-inner{height:64px}
  .main-nav.nav-open{top:66px}
  .cta-band{padding:56px 0}
  .cta-band h2{font-size:26px}
}
@media (max-width: 520px) {
  .container{padding-left:16px;padding-right:16px}
  .section{padding:44px 0}
  .logo{font-size:18px}
  .logo-icon{width:34px;height:34px;font-size:17px}
  .article-body-section{padding:44px 0}
  .article-meta{gap:10px}
  .article-meta .meta-item{font-size:12px;padding:5px 12px}
  .side-card{padding:20px}
  .tip-item{padding:22px}
  .category-card-body{padding:20px}
  .article-content{font-size:15px}
  .footer-links a{font-size:14px}
}

/* roulang page: category3 */
:root {
  --primary: #2b5cff;
  --primary-dark: #1d3fbf;
  --primary-light: #eef2ff;
  --accent: #ff6b35;
  --accent-dark: #e04e1d;
  --accent-light: #fff4ee;
  --dark: #0f172a;
  --text: #1e293b;
  --text-light: #64748b;
  --bg: #ffffff;
  --bg-alt: #f5f7fd;
  --border: #e2e8f0;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(15,23,42,.05);
  --shadow: 0 10px 30px rgba(15,23,42,.08);
  --shadow-lg: 0 24px 60px rgba(15,23,42,.12);
  --font-base: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .25s}
ul{list-style:none;padding:0;margin:0}
button{font-family:inherit}
.container{max-width:1180px;padding-left:24px;padding-right:24px}
.main-header{
  position:sticky;top:0;z-index:1050;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 12px rgba(15,23,42,.04);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:74px;
}
.logo{
  display:inline-flex;align-items:center;gap:12px;
  font-size:1.35rem;font-weight:800;color:var(--dark);
  letter-spacing:.5px;line-height:1.2;
}
.logo-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;font-size:1.1rem;font-weight:900;
  box-shadow:0 6px 16px rgba(43,92,255,.28);
}
.main-nav{
  display:flex;align-items:center;gap:36px;
}
.main-nav a{
  font-size:15px;font-weight:500;color:var(--text-light);
  position:relative;padding:6px 2px;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--primary);border-radius:2px;transition:width .3s ease;
}
.main-nav a:hover{color:var(--primary)}
.main-nav a:hover::after{width:100%}
.main-nav a.active{color:var(--primary);font-weight:600}
.main-nav a.active::after{width:100%}
.header-cta{
  flex-shrink:0;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:12px;font-weight:600;
  padding:11px 22px;font-size:14px;
  transition:all .3s cubic-bezier(.4,0,.2,1);
  cursor:pointer;
}
.btn-sm{padding:8px 16px;font-size:13px;border-radius:10px}
.btn-accent{
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  color:#fff;box-shadow:0 6px 18px rgba(255,107,53,.28);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(255,107,53,.38);color:#fff}
.btn-accent:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,107,53,.24)}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;box-shadow:0 6px 18px rgba(43,92,255,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(43,92,255,.38);color:#fff}
.btn-outline{
  background:transparent;color:var(--primary);
  border:1.5px solid var(--primary);box-shadow:none;
}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-2px)}
.nav-toggle{
  display:none;background:none;border:none;font-size:1.5rem;
  color:var(--dark);cursor:pointer;width:42px;height:42px;
  border-radius:10px;transition:background .25s;
}
.nav-toggle:hover{background:var(--bg-alt)}

/* ===== Page Banner ===== */
.page-banner{
  position:relative;
  padding:100px 0 80px;
  background:linear-gradient(120deg,#0f1f45 0%,#183a7a 55%,#2457b8 100%);
  overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.22;
}
.page-banner::after{
  content:"";position:absolute;right:-160px;top:-160px;width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,53,.35),transparent 70%);
}
.banner-inner{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  color:rgba(255,255,255,.7);font-size:13px;margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.85)}
.breadcrumb a:hover{color:#fff}
.breadcrumb i{font-size:10px}
.page-banner h1{
  color:#fff;font-size:2.5rem;font-weight:800;line-height:1.25;
  margin:0 0 16px;letter-spacing:1px;
}
.page-banner p{
  color:rgba(255,255,255,.85);font-size:1.05rem;max-width:640px;margin:0;
}
.banner-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:30px;margin-bottom:18px;
  backdrop-filter:blur(6px);
}
.banner-badge i{color:var(--accent)}

/* ===== Section base ===== */
.section{padding:90px 0}
.section-alt{background:var(--bg-alt)}
.section-head{
  text-align:center;max-width:700px;margin:0 auto 56px;
}
.section-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--primary-light);color:var(--primary);
  font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:30px;margin-bottom:14px;
}
.section-head h2{
  font-size:2.1rem;font-weight:800;color:var(--dark);
  letter-spacing:.5px;margin:0 0 14px;line-height:1.3;
}
.section-head p{
  color:var(--text-light);font-size:1.02rem;margin:0;
}

/* ===== Search / Tag filter ===== */
.quick-search{
  position:relative;max-width:620px;margin:0 auto;
}
.quick-search .search-icon{
  position:absolute;left:20px;top:50%;transform:translateY(-50%);
  color:var(--text-light);font-size:1rem;
}
.quick-search input{
  width:100%;border:1.5px solid var(--border);border-radius:50px;
  padding:16px 22px 16px 48px;font-size:15px;
  background:#fff;box-shadow:var(--shadow-sm);
  transition:all .3s;
}
.quick-search input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(43,92,255,.12),var(--shadow);
}
.tag-cloud{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px;
  margin-top:20px;
}
.tag-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--border);
  border-radius:30px;padding:8px 18px;
  font-size:13px;font-weight:500;color:var(--text);
  transition:all .3s;cursor:pointer;
}
.tag-btn i{color:var(--primary);font-size:11px}
.tag-btn:hover{
  border-color:var(--primary);color:var(--primary);background:var(--primary-light);
  transform:translateY(-1px);box-shadow:var(--shadow-sm);
}
.tag-btn:focus{outline:3px solid rgba(43,92,255,.2);border-color:var(--primary)}

/* ===== FAQ Accordion ===== */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-list{
  display:flex;flex-direction:column;gap:16px;
}
.faq-item{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .3s,border-color .3s;
}
.faq-item:hover{box-shadow:var(--shadow);border-color:rgba(43,92,255,.3)}
.faq-item.active{
  border-color:rgba(43,92,255,.45);
  box-shadow:var(--shadow);
}
.faq-question{
  width:100%;display:flex;align-items:center;gap:16px;
  background:none;border:none;text-align:left;
  padding:22px 26px;cursor:pointer;
}
.faq-q-icon{
  flex-shrink:0;
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);
  font-weight:800;font-size:15px;
  transition:background .3s,color .3s;
}
.faq-item.active .faq-q-icon{
  background:var(--primary);color:#fff;
}
.faq-q-text{
  flex:1;font-size:1.02rem;font-weight:600;color:var(--dark);
  line-height:1.5;
}
.faq-q-arrow{
  color:var(--text-light);font-size:14px;
  transition:transform .35s cubic-bezier(.4,0,.2,1);
}
.faq-item.active .faq-q-arrow{transform:rotate(180deg);color:var(--primary)}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height .45s cubic-bezier(.4,0,.2,1);
}
.faq-answer-inner{
  padding:0 26px 24px 82px;color:var(--text-light);
  font-size:15px;line-height:1.85;
}
.faq-answer-inner strong{color:var(--dark)}
.faq-answer-inner ul{margin:10px 0 0;padding-left:4px}
.faq-answer-inner li{
  position:relative;padding-left:18px;margin-bottom:6px;
}
.faq-answer-inner li::before{
  content:"\f105";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:0;color:var(--primary);font-size:12px;
}

/* ===== Scenario cards ===== */
.scenario-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
}
.scenario-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow-sm);
  transition:transform .35s,box-shadow .35s;
  display:flex;flex-direction:column;
}
.scenario-card:hover{
  transform:translateY(-6px);box-shadow:var(--shadow-lg);
}
.scenario-cover{
  position:relative;height:190px;overflow:hidden;
}
.scenario-cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s ease;
}
.scenario-card:hover .scenario-cover img{transform:scale(1.06)}
.scenario-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(15,23,42,.55));
}
.scenario-type{
  position:absolute;left:16px;bottom:14px;z-index:2;
  background:rgba(255,255,255,.92);color:var(--dark);
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:20px;
  backdrop-filter:blur(6px);
}
.scenario-body{padding:24px;flex:1;display:flex;flex-direction:column}
.scenario-body h3{
  font-size:1.12rem;font-weight:700;color:var(--dark);margin:0 0 10px;
}
.scenario-body p{
  color:var(--text-light);font-size:14px;line-height:1.75;
  flex:1;margin:0 0 18px;
}
.scenario-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:14px;
  transition:gap .3s;
}
.scenario-link:hover{color:var(--primary-dark);gap:10px}

/* ===== Stats band ===== */
.stats-band{
  position:relative;padding:80px 0;
  background:linear-gradient(120deg,#0f1f45,#2457b8);
  overflow:hidden;
}
.stats-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  opacity:.18;
}
.stats-band .container{position:relative;z-index:2}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
}
.stat-item{
  text-align:center;padding:30px 16px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  backdrop-filter:blur(8px);
  transition:background .3s,transform .3s;
}
.stat-item:hover{
  background:rgba(255,255,255,.14);
  transform:translateY(-4px);
}
.stat-icon{
  width:52px;height:52px;border-radius:16px;
  background:rgba(255,255,255,.15);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.25rem;margin-bottom:16px;
}
.stat-num{
  font-size:2.2rem;font-weight:800;color:#fff;line-height:1.2;
  letter-spacing:-.5px;
}
.stat-num em{font-style:normal;font-size:1.4rem;font-weight:600;margin-right:2px}
.stat-label{
  color:rgba(255,255,255,.75);font-size:14px;margin-top:6px;
}

/* ===== Timeline ===== */
.timeline{
  position:relative;max-width:780px;margin:0 auto;
  padding-left:50px;
}
.timeline::before{
  content:"";position:absolute;left:16px;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
  opacity:.25;border-radius:2px;
}
.timeline-item{
  position:relative;margin-bottom:36px;
}
.timeline-dot{
  position:absolute;left:-50px;top:6px;width:34px;height:34px;
  border-radius:50%;background:#fff;border:2px solid var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:var(--primary);
  box-shadow:0 0 0 5px rgba(43,92,255,.1);
}
.timeline-card{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:24px 28px;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .3s,transform .3s;
}
.timeline-card:hover{
  box-shadow:var(--shadow);transform:translateX(4px);
}
.timeline-card h4{
  font-size:1.05rem;font-weight:700;color:var(--dark);margin:0 0 8px;
}
.timeline-card p{
  color:var(--text-light);font-size:14px;margin:0;
}

/* ===== CTA ===== */
.cta-section{padding:90px 0}
.cta-box{
  position:relative;border-radius:24px;overflow:hidden;
  background:linear-gradient(120deg,#0f1f45,#2457b8);
  padding:70px 60px;text-align:center;
}
.cta-box::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.18;
}
.cta-box > *{position:relative;z-index:2}
.cta-box h2{
  color:#fff;font-size:1.9rem;font-weight:800;
  margin:0 0 14px;letter-spacing:.5px;
}
.cta-box p{
  color:rgba(255,255,255,.85);font-size:1.02rem;
  max-width:560px;margin:0 auto 32px;
}
.cta-actions{
  display:flex;justify-content:center;gap:14px;flex-wrap:wrap;
}
.btn-cta-light{
  background:#fff;color:var(--primary-dark);
  border-radius:12px;padding:13px 28px;font-size:15px;
  box-shadow:0 8px 24px rgba(0,0,0,.18);
}
.btn-cta-light:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(0,0,0,.24);color:var(--primary)}
.btn-cta-ghost{
  background:rgba(255,255,255,.12);color:#fff;
  border:1.5px solid rgba(255,255,255,.4);border-radius:12px;
  padding:13px 28px;font-size:15px;
  backdrop-filter:blur(6px);
}
.btn-cta-ghost:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-3px)}

/* ===== Footer ===== */
.main-footer{
  background:var(--dark);color:rgba(255,255,255,.72);
  padding:70px 0 30px;
}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr;
  gap:48px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo{color:#fff;margin-bottom:18px}
.footer-brand .logo-icon{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
}
.footer-brand p{
  font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);
  margin:0 0 18px;max-width:360px;
}
.footer-domain{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.5);
  background:rgba(255,255,255,.06);
  padding:6px 14px;border-radius:8px;
}
.footer-title{
  color:#fff;font-size:16px;font-weight:600;margin:0 0 20px;
  position:relative;padding-bottom:12px;
}
.footer-title::after{
  content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;
  background:var(--accent);border-radius:2px;
}
.footer-links li{margin-bottom:12px}
.footer-links a{
  color:rgba(255,255,255,.6);font-size:14px;
  transition:color .3s,padding-left .3s;
}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:28px;flex-wrap:wrap;gap:10px;
}
.footer-bottom p{
  font-size:13px;color:rgba(255,255,255,.5);margin:0;
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:#fff}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .main-nav{gap:22px}
  .scenario-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .page-banner{padding:80px 0 64px}
  .page-banner h1{font-size:2.1rem}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .header-inner{height:66px}
  .main-nav{
    position:fixed;top:66px;left:0;right:0;bottom:0;
    background:rgba(255,255,255,.98);
    backdrop-filter:blur(10px);
    flex-direction:column;align-items:flex-start;
    gap:0;padding:20px 24px;
    transform:translateX(100%);
    transition:transform .4s cubic-bezier(.4,0,.2,1);
    box-shadow:-10px 0 40px rgba(15,23,42,.1);
    overflow-y:auto;
    z-index:1040;
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav a{
    width:100%;font-size:16px;padding:15px 0;
    border-bottom:1px solid var(--border);
  }
  .main-nav a::after{display:none}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .page-banner{padding:60px 0 50px;text-align:left}
  .page-banner h1{font-size:1.75rem}
  .page-banner p{font-size:.95rem}
  .section-head{margin-bottom:40px}
  .section-head h2{font-size:1.65rem}
  .scenario-grid{grid-template-columns:1fr;gap:20px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:16px}
  .stat-num{font-size:1.8rem}
  .timeline{padding-left:44px}
  .timeline-dot{left:-44px;width:30px;height:30px;font-size:12px}
  .faq-question{padding:18px 18px}
  .faq-q-text{font-size:.97rem}
  .faq-answer-inner{padding:0 18px 20px 68px}
  .cta-box{padding:50px 24px}
  .cta-box h2{font-size:1.5rem}
  .footer-top{grid-template-columns:1fr;gap:36px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:520px){
  .container{padding-left:18px;padding-right:18px}
  .logo{font-size:1.08rem}
  .logo-icon{width:34px;height:34px;font-size:.95rem;border-radius:10px}
  .page-banner h1{font-size:1.5rem}
  .page-banner p{font-size:.9rem}
  .banner-badge{font-size:12px}
  .section{padding:52px 0}
  .section-head h2{font-size:1.4rem}
  .stats-grid{grid-template-columns:1fr;gap:12px}
  .stat-item{padding:22px 16px}
  .stat-num{font-size:1.8rem}
  .tag-btn{padding:7px 14px;font-size:12px}
  .faq-answer-inner{padding:0 16px 18px 16px}
  .faq-q-icon{display:none}
  .faq-q-text{font-size:.94rem}
  .cta-box h2{font-size:1.3rem}
  .cta-actions .btn{width:100%}
  .footer-top{padding-bottom:36px}
}

/* roulang page: category2 */
:root {
  --primary: #0b1b2e;
  --primary-2: #142c42;
  --accent: #0fb9a8;
  --accent-dark: #0d9488;
  --accent-soft: rgba(15, 185, 168, .12);
  --bg: #f4f7fb;
  --surface: #ffffff;
  --text: #16202b;
  --muted: #5d6d7e;
  --border: #e4ebf2;
  --radius-lg: 22px;
  --radius-md: 14px;
  --shadow: 0 14px 40px rgba(11, 27, 46, .08);
  --shadow-sm: 0 6px 18px rgba(11, 27, 46, .05);
  --font: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}

a:hover {
  color: var(--accent-dark);
}

img {
  max-width: 100%;
  display: block;
}

button,
input {
  font-family: inherit;
}

.container {
  max-width: 1200px;
}

/* ===== 导航 ===== */
.main-header {
  background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1050;
  box-shadow: 0 2px 18px rgba(11, 27, 46, .04);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.24rem;
  color: var(--primary);
  white-space: nowrap;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #088c87);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.15rem;
  box-shadow: 0 6px 16px rgba(15, 185, 168, .35);
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  gap: 6px;
  margin-left: auto;
}

.main-nav a {
  padding: 9px 16px;
  border-radius: 10px;
  font-weight: 600;
  color: var(--muted);
  font-size: .95rem;
  white-space: nowrap;
  transition: all .2s ease;
}

.main-nav a:hover {
  color: var(--primary);
  background: var(--bg);
}

.main-nav a.active {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), #07a393);
  border: none;
  color: #fff;
  font-weight: 700;
  border-radius: 12px;
  padding: 11px 22px;
  box-shadow: 0 8px 20px rgba(15, 185, 168, .3);
  transition: all .25s ease;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(15, 185, 168, .4);
  color: #fff;
}

.btn-accent.btn-sm {
  padding: 8px 18px;
  font-size: .88rem;
}

.btn-outline-light {
  border: 2px solid rgba(255, 255, 255, .7);
  color: #fff;
  border-radius: 12px;
  font-weight: 600;
  padding: 10px 24px;
  transition: all .25s ease;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, .12);
  color: #fff;
  border-color: #fff;
}

.nav-toggle {
  display: none;
  background: var(--accent-soft);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  color: var(--accent-dark);
  cursor: pointer;
  flex-shrink: 0;
}

/* ===== Banner ===== */
.page-banner {
  position: relative;
  padding: 104px 0 96px;
  background: linear-gradient(115deg, rgba(11, 27, 46, .94) 0%, rgba(19, 54, 68, .82) 50%, rgba(15, 185, 168, .52) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
}

.page-banner .label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .18);
  color: #fff;
  font-weight: 700;
  font-size: .82rem;
  padding: 7px 18px;
  border-radius: 100px;
  letter-spacing: .05em;
  backdrop-filter: blur(6px);
}

.page-banner h1 {
  font-size: 2.9rem;
  font-weight: 800;
  line-height: 1.25;
  margin: 18px 0 14px;
  letter-spacing: .01em;
}

.page-banner p.lead {
  font-size: 1.12rem;
  color: rgba(255, 255, 255, .82);
  max-width: 640px;
}

.breadcrumb-custom {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  color: rgba(255, 255, 255, .7);
  margin-top: 22px;
  flex-wrap: wrap;
}

.breadcrumb-custom a {
  color: rgba(255, 255, 255, .82);
}

.breadcrumb-custom a:hover {
  color: #fff;
}

.breadcrumb-custom .sep {
  color: rgba(255, 255, 255, .45);
}

/* ===== 通用板块 ===== */
.section {
  padding: 92px 0;
}

.section.bg-white {
  background: #fff;
}

.section.bg-soft {
  background: var(--bg);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 700;
  font-size: .82rem;
  padding: 7px 18px;
  border-radius: 100px;
  letter-spacing: .04em;
}

.section-title {
  font-size: 2.15rem;
  font-weight: 800;
  color: var(--text);
  margin: 16px 0 10px;
  line-height: 1.3;
}

.section-desc {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 700px;
  margin: 0;
}

/* ===== 访问方式卡片 ===== */
.method-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  height: 100%;
  transition: all .3s ease;
  box-shadow: var(--shadow-sm);
}

.method-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(15, 185, 168, .3);
}

.method-card .card-img {
  border-radius: 14px;
  overflow: hidden;
  height: 180px;
  margin-bottom: 20px;
  position: relative;
}

.method-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.method-card:hover .card-img img {
  transform: scale(1.05);
}

.method-card .icon-badge {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #07a393);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 8px 18px rgba(15, 185, 168, .3);
  margin-bottom: 16px;
}

.method-card h3 {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.method-card p {
  color: var(--muted);
  font-size: .95rem;
  margin: 0;
}

/* ===== 流程步骤 ===== */
.step-item {
  display: flex;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 26px;
  box-shadow: var(--shadow-sm);
  height: 100%;
  transition: box-shadow .3s ease;
}

.step-item:hover {
  box-shadow: var(--shadow);
}

.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #0a9588);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.step-item h3 {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.step-item p {
  color: var(--muted);
  font-size: .93rem;
  margin: 0;
}

/* ===== 场景区块 ===== */
.scene-block {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
}

.scene-block:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.scene-block .scene-img {
  height: 220px;
  overflow: hidden;
}

.scene-block .scene-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.scene-block:hover .scene-img img {
  transform: scale(1.04);
}

.scene-block .scene-body {
  padding: 26px;
}

.scene-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.scene-body p {
  color: var(--muted);
  font-size: .95rem;
  margin-bottom: 14px;
}

.scene-body ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.scene-body ul li {
  position: relative;
  padding-left: 24px;
  color: var(--text);
  font-size: .92rem;
  margin-bottom: 8px;
}

.scene-body ul li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: .8rem;
}

/* ===== 注意事项 ===== */
.notice-item {
  display: flex;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  height: 100%;
  transition: all .3s ease;
}

.notice-item:hover {
  box-shadow: var(--shadow-sm);
  border-color: rgba(15, 185, 168, .3);
}

.notice-item .notice-icon {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.notice-item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.notice-item p {
  color: var(--muted);
  font-size: .88rem;
  margin: 0;
}

/* ===== FAQ ===== */
.accordion-item {
  border: 1px solid var(--border) !important;
  border-radius: 16px !important;
  overflow: hidden;
  margin-bottom: 14px;
  box-shadow: 0 2px 10px rgba(11, 27, 46, .03);
}

.accordion-button {
  font-weight: 700;
  color: var(--text);
  padding: 19px 22px;
  background: #fff;
  font-size: .98rem;
}

.accordion-button:not(.collapsed) {
  background: var(--accent-soft);
  color: var(--accent-dark);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: none;
  border-color: var(--accent);
}

.accordion-button::after {
  background-size: 1rem;
}

.accordion-body {
  color: var(--muted);
  font-size: .94rem;
  padding: 6px 22px 20px;
  background: #fff;
}

/* ===== CTA ===== */
.cta-band {
  background: linear-gradient(120deg, var(--primary), var(--primary-2)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border-radius: 28px;
  padding: 58px 54px;
  position: relative;
  overflow: hidden;
  color: #fff;
}

.cta-band::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .04);
}

.cta-band h2 {
  font-size: 1.9rem;
  font-weight: 800;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.cta-band p {
  color: rgba(255, 255, 255, .78);
  font-size: 1rem;
  max-width: 560px;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* ===== 页脚 ===== */
.main-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, .72);
  padding: 66px 0 0;
  margin-top: 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 42px;
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: .92rem;
  color: rgba(255, 255, 255, .6);
  max-width: 340px;
  margin-bottom: 16px;
}

.footer-domain {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .08);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: .84rem;
  color: rgba(255, 255, 255, .8);
}

.footer-title {
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 18px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, .64);
  font-size: .9rem;
  transition: all .2s ease;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 20px 0;
  text-align: center;
  font-size: .85rem;
  color: rgba(255, 255, 255, .5);
}

.footer-bottom a {
  color: rgba(255, 255, 255, .75);
}

.footer-bottom a:hover {
  color: var(--accent);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .container {
    max-width: 100%;
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (max-width: 992px) {
  .main-nav {
    position: fixed;
    top: 76px;
    left: 16px;
    right: 16px;
    background: #fff;
    flex-direction: column;
    padding: 16px;
    border-radius: 18px;
    display: none;
    box-shadow: 0 20px 48px rgba(11, 27, 46, .12);
    border: 1px solid var(--border);
    z-index: 1040;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 12px 16px;
    font-size: 1rem;
  }

  .nav-toggle {
    display: flex;
  }

  .header-cta {
    display: inline-flex;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .page-banner {
    padding: 72px 0 64px;
  }

  .page-banner h1 {
    font-size: 2.15rem;
  }

  .section {
    padding: 66px 0;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .cta-band {
    padding: 40px 28px;
  }

  .cta-band h2 {
    font-size: 1.5rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 520px) {
  .header-inner {
    gap: 10px;
  }

  .logo {
    font-size: 1.05rem;
  }

  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }

  .header-cta .btn-accent {
    padding: 8px 12px;
    font-size: .8rem;
  }

  .btn-accent.btn-sm {
    padding: 8px 14px;
  }

  .page-banner h1 {
    font-size: 1.75rem;
  }

  .section {
    padding: 54px 0;
  }

  .section-title {
    font-size: 1.45rem;
  }

  .method-card,
  .step-item,
  .notice-item {
    padding: 20px;
  }

  .cta-band {
    padding: 34px 22px;
    border-radius: 20px;
  }

  .cta-actions {
    flex-direction: column;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .main-footer {
    padding-top: 48px;
  }

  .footer-bottom {
    text-align: left;
    padding-left: 20px;
    padding-right: 20px;
  }
}