/* roulang page: index */
:root {
  --primary: #2D6A9E;
  --primary-hover: #1E4D78;
  --primary-light: rgba(45,106,158,.08);
  --accent: #3FAE9A;
  --accent-light: rgba(63,174,154,.12);
  --bg: #F7F9FB;
  --white: #FFFFFF;
  --text: #2B2F36;
  --text-secondary: #5C6672;
  --text-muted: #8A94A0;
  --border: #E4E9EF;
  --border-dark: #D7DEE6;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(41,82,118,.06),0 1px 2px rgba(41,82,118,.04);
  --shadow-hover: 0 8px 24px rgba(41,82,118,.12),0 2px 6px rgba(41,82,118,.08);
  --transition: .25s ease;
  --font-stack: system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-stack);background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--primary-hover)}
button{font-family:inherit;cursor:pointer}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media(max-width:767px){.container{padding:0 16px}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;border-radius:var(--radius-sm);padding:12px 28px;border:1.5px solid transparent;transition:all var(--transition);line-height:1.4;text-align:center}
.btn:focus-visible{outline:3px solid rgba(45,106,158,.25);outline-offset:2px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px rgba(45,106,158,.25)}
.btn-primary:active{transform:translateY(0);filter:brightness(.95)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:rgba(45,106,158,.08);color:var(--primary-hover);border-color:var(--primary-hover)}
.btn-outline:active{background:rgba(45,106,158,.12)}
.btn-white{background:#fff;color:var(--primary);border-color:#fff}
.btn-white:hover{background:rgba(255,255,255,.9);color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,.12)}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:4px;font-weight:600;font-size:14px;color:var(--primary);transition:gap var(--transition)}
.text-link:hover{gap:8px;color:var(--primary-hover)}
.text-link span{transition:transform var(--transition)}
.tag{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--accent-light);color:#2E8F7E;font-size:13px;font-weight:500}
.tag-neutral{background:rgba(45,106,158,.08);color:var(--primary)}
.section-head{text-align:center;margin-bottom:56px}
.section-head h2{font-size:clamp(1.75rem,3vw,2.25rem);font-weight:700;color:var(--text);line-height:1.3;margin-bottom:12px}
.section-head p{font-size:15px;color:var(--text-secondary);max-width:560px;margin:0 auto;line-height:1.7}
.section-head-row{display:flex;justify-content:space-between;align-items:flex-end;text-align:left;margin-bottom:40px;gap:24px;flex-wrap:wrap}
.section-head-row h2{margin-bottom:6px}
.section-head-row p{margin:0}
@media(max-width:767px){.section-head-row{flex-direction:column;align-items:flex-start;gap:12px}}

/* Header */
.site-header{position:sticky;top:12px;z-index:200;padding:0 24px;margin-top:16px}
.dock-nav{max-width:1100px;margin:0 auto;background:var(--white);border-radius:999px;box-shadow:0 4px 20px rgba(41,82,118,.1);display:flex;align-items:center;justify-content:space-between;padding:0 28px;height:62px;border:1px solid rgba(228,233,239,.6)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:32px;height:32px;border-radius:8px;background:var(--primary);display:flex;align-items:center;justify-content:center;color:#fff}
.brand-mark svg{width:18px;height:18px}
.brand-name{font-size:18px;font-weight:700;color:var(--text);letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;padding:8px 18px;font-size:15px;font-weight:500;color:var(--text-secondary);border-radius:999px;transition:all var(--transition)}
.nav-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{content:'';position:absolute;bottom:-1px;left:50%;transform:translateX(-50%);width:6px;height:6px;border-radius:50%;background:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-cta{padding:8px 22px;font-size:14px;border-radius:999px}
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:transparent;border:none;border-radius:8px;padding:10px;transition:background var(--transition)}
.hamburger:hover{background:var(--primary-light)}
.hamburger span{display:block;height:2px;background:var(--text);border-radius:2px;transition:transform var(--transition),opacity var(--transition)}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none;max-width:1100px;margin:8px auto 0;background:var(--white);border-radius:20px;box-shadow:0 8px 24px rgba(41,82,118,.12);padding:8px;border:1px solid var(--border)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:14px 20px;font-size:15px;font-weight:500;color:var(--text-secondary);border-radius:12px;transition:all var(--transition)}
.mobile-menu a:hover{background:var(--primary-light);color:var(--primary)}
.mobile-menu a.active{background:var(--primary-light);color:var(--primary)}
.mobile-menu .mobile-cta{margin-top:8px;background:var(--primary);color:#fff;text-align:center;font-weight:600}
.mobile-menu .mobile-cta:hover{background:var(--primary-hover);color:#fff}
@media(max-width:1023px){
  .main-nav{display:none}
  .hamburger{display:flex}
  .nav-cta{display:none}
}
@media(max-width:767px){
  .site-header{padding:0 12px;top:8px}
  .dock-nav{padding:0 16px;height:58px}
}

/* Hero */
.hero{position:relative;background:linear-gradient(120deg,#fff 0%,#F0F5FA 100%);padding:72px 0 88px;overflow:hidden}
.hero::before{content:'';position:absolute;top:20px;right:-60px;width:300px;height:300px;border-radius:50%;background:rgba(63,174,154,.06);pointer-events:none}
.hero::after{content:'';position:absolute;bottom:0;left:10%;width:200px;height:80px;background:rgba(45,106,158,.04);border-radius:50% 50% 0 0;pointer-events:none}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero-content{max-width:560px}
.hero-tag{display:inline-block;padding:6px 16px;border-radius:999px;background:var(--accent-light);color:#2E8F7E;font-size:13px;font-weight:600;margin-bottom:20px;letter-spacing:.5px}
.hero h1{font-size:clamp(2rem,4.5vw,3.2rem);font-weight:700;line-height:1.25;color:var(--text);margin-bottom:20px}
.hero-desc{font-size:16px;color:var(--text-secondary);line-height:1.8;margin-bottom:32px;max-width:480px}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.hero-visual{position:relative}
.hero-visual img{width:100%;border-radius:16px;border:1px solid var(--border);box-shadow:0 12px 40px rgba(41,82,118,.14);object-fit:cover;aspect-ratio:4/3}
.hero-badge{position:absolute;bottom:20px;right:20px;background:var(--white);border-radius:12px;box-shadow:0 8px 24px rgba(41,82,118,.16);padding:16px 24px;display:flex;align-items:center;gap:20px;border:1px solid rgba(228,233,239,.8)}
.hero-badge-item{display:flex;flex-direction:column}
.hero-badge-item .badge-num{font-size:24px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-badge-item .badge-label{font-size:12px;color:var(--text-muted);margin-top:2px}
.hero-badge-divider{width:1px;height:28px;background:var(--border)}
@media(max-width:1023px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-content{max-width:100%;text-align:center}
  .hero-desc{margin-left:auto;margin-right:auto}
  .hero-buttons{justify-content:center}
  .hero-visual{max-width:600px;margin:0 auto}
}
@media(max-width:767px){
  .hero{padding:48px 0 56px}
  .hero h1{font-size:2rem}
  .hero-desc{font-size:15px}
  .hero-badge{padding:12px 16px;bottom:12px;right:12px;gap:12px}
  .hero-badge-item .badge-num{font-size:18px}
  .hero-badge-item .badge-label{font-size:11px}
}

/* Stats */
.stats-band{background:var(--white);padding:56px 0;border-bottom:1px solid var(--border)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat-item{text-align:center}
.stat-num{display:block;font-size:clamp(2rem,3.5vw,2.75rem);font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.3;margin-bottom:8px}
.stat-label{font-size:13px;color:var(--text-secondary);font-weight:500}
@media(max-width:767px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .stat-num{font-size:2rem}
}

/* Features */
.features{padding:96px 0}
.feature-blocks{display:flex;flex-direction:column;gap:80px}
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.feature-row-reverse .feature-img{order:2}
.feature-row-reverse .feature-text{order:1}
.feature-img{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border)}
.feature-img img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.feature-img:hover img{transform:scale(1.03)}
.feature-icon{width:48px;height:48px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary);margin-bottom:20px}
.feature-icon svg{width:24px;height:24px}
.feature-text h3{font-size:1.5rem;font-weight:600;color:var(--text);margin-bottom:14px}
.feature-text p{font-size:15px;color:var(--text-secondary);line-height:1.8;margin-bottom:20px;max-width:440px}
@media(max-width:1023px){
  .feature-row{grid-template-columns:1fr;gap:32px}
  .feature-row-reverse .feature-img{order:1}
  .feature-row-reverse .feature-text{order:2}
  .feature-text p{max-width:100%}
}
@media(max-width:767px){
  .features{padding:64px 0}
  .feature-blocks{gap:48px}
}

/* Scenarios */
.scenarios{background:linear-gradient(180deg,#F7F9FB 0%,#EFF5F4 100%);padding:96px 0}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.scenario-card{background:var(--white);border-radius:var(--radius-lg);padding:32px 28px;box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:all var(--transition)}
.scenario-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:rgba(45,106,158,.25)}
.scenario-card-highlight{background:var(--white);transform:translateY(-20px);border:1.5px solid var(--primary);box-shadow:0 10px 30px rgba(45,106,158,.1)}
.scenario-card-highlight:hover{transform:translateY(-24px)}
.scenario-card h3{font-size:1.25rem;font-weight:600;color:var(--text);margin-bottom:14px}
.scenario-card p{font-size:14px;color:var(--text-secondary);line-height:1.75;margin-bottom:20px}
.scenario-tags{display:flex;gap:8px;flex-wrap:wrap}
@media(max-width:1023px){
  .scenario-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto}
  .scenario-card-highlight{transform:none}
  .scenario-card-highlight:hover{transform:translateY(-4px)}
}
@media(max-width:767px){
  .scenarios{padding:64px 0}
}

/* Cases */
.cases{padding:96px 0}
.case-main{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border);margin-bottom:32px}
.case-main-img{overflow:hidden;min-height:300px}
.case-main-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.case-main-img:hover img{transform:scale(1.03)}
.case-main-content{padding:40px;display:flex;flex-direction:column;justify-content:center}
.case-tag{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--accent-light);color:#2E8F7E;font-size:13px;font-weight:600;margin-bottom:16px;align-self:flex-start}
.case-main-content h3{font-size:1.5rem;font-weight:600;color:var(--text);margin-bottom:14px}
.case-main-content p{font-size:14px;color:var(--text-secondary);line-height:1.75;margin-bottom:24px}
.case-data{display:flex;gap:32px;flex-wrap:wrap}
.case-data-item{display:flex;flex-direction:column}
.case-data-item span{font-size:1.5rem;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.3}
.case-data-item small{font-size:12px;color:var(--text-muted);margin-top:4px}
.case-mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case-mini{display:flex;gap:20px;background:var(--white);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:all var(--transition)}
.case-mini:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.case-mini-img{flex-shrink:0;width:140px;height:100px;border-radius:10px;overflow:hidden}
.case-mini-img img{width:100%;height:100%;object-fit:cover}
.case-mini-text h4{font-size:1rem;font-weight:600;color:var(--text);margin-bottom:6px}
.case-mini-text p{font-size:13px;color:var(--text-secondary);line-height:1.6}
@media(max-width:1023px){
  .case-main{grid-template-columns:1fr}
  .case-main-img{min-height:220px}
  .case-mini{flex-direction:column}
  .case-mini-img{width:100%;height:120px}
}
@media(max-width:767px){
  .cases{padding:64px 0}
  .case-main-content{padding:24px}
  .case-data{gap:20px}
  .case-mini-grid{grid-template-columns:1fr}
}

/* Pricing */
.pricing{padding:96px 0;background:var(--white)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 28px;display:flex;flex-direction:column;transition:all var(--transition)}
.price-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.price-card-recommended{background:var(--white);border:2px solid var(--primary);box-shadow:0 10px 30px rgba(45,106,158,.12);position:relative}
.price-card-recommended:hover{box-shadow:0 14px 36px rgba(45,106,158,.18)}
.price-tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;font-size:12px;font-weight:600;padding:4px 16px;border-radius:999px;letter-spacing:1px}
.price-card h3{font-size:1.25rem;font-weight:600;color:var(--text);margin-bottom:6px}
.price-desc{font-size:14px;color:var(--text-secondary);margin-bottom:20px}
.price-value{font-size:2rem;font-weight:700;color:var(--primary);margin-bottom:24px;font-variant-numeric:tabular-nums;line-height:1.2}
.price-features{margin-bottom:32px;flex-grow:1;display:flex;flex-direction:column;gap:12px}
.price-features li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-secondary)}
.price-features li::before{content:'✓';display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:var(--accent-light);color:#2E8F7E;font-size:12px;font-weight:700;flex-shrink:0}
@media(max-width:1023px){
  .pricing-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}
  .price-card-recommended{order:-1}
}
@media(max-width:767px){
  .pricing{padding:64px 0}
}

/* News */
.news{padding:96px 0}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-card{display:flex;gap:24px;background:var(--white);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:all var(--transition)}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:rgba(45,106,158,.25)}
.news-thumb{flex-shrink:0;width:160px;height:96px;border-radius:10px;overflow:hidden;background:var(--bg)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-info{flex:1;display:flex;flex-direction:column;min-width:0}
.news-title{font-size:1.0625rem;font-weight:600;color:var(--text);margin-bottom:6px;line-height:1.5}
.news-title a{color:inherit}
.news-title a:hover{color:var(--primary)}
.news-summary{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:16px;margin-top:auto}
.news-date{font-size:13px;color:var(--text-muted)}
.news-category{font-size:12px;font-weight:500;padding:3px 10px;border-radius:4px;background:var(--accent-light);color:#2E8F7E}
.news-more{margin-left:auto;font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:4px}
.news-more:hover{color:var(--primary-hover);gap:8px}
.empty-state{background:var(--white);border:1px dashed var(--border-dark);border-radius:var(--radius-md);padding:56px 24px;text-align:center}
.empty-icon{width:64px;height:64px;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;color:var(--text-muted);margin:0 auto 16px}
.empty-state p{font-size:15px;color:var(--text-muted)}
@media(max-width:767px){
  .news{padding:64px 0}
  .news-card{flex-direction:column;gap:14px}
  .news-thumb{width:100%;height:160px}
}

/* FAQ */
.faq{padding:96px 0;background:linear-gradient(180deg,#F7F9FB, #EFF5F4)}
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.faq-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;transition:box-shadow var(--transition),border-color var(--transition)}
.faq-item.active{border-color:rgba(63,174,154,.4);box-shadow:0 4px 16px rgba(41,82,118,.06)}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;background:transparent;border:none;font-size:15px;font-weight:600;color:var(--text);text-align:left;transition:background var(--transition)}
.faq-question:hover{background:rgba(63,174,154,.04)}
.faq-question:focus-visible{outline:3px solid rgba(45,106,158,.25);outline-offset:-2px}
.faq-icon{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--accent-light);color:#2E8F7E;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;transition:transform var(--transition)}
.faq-item.active .faq-icon{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;padding:0 24px}
.faq-item.active .faq-answer{max-height:400px;padding:0 24px 20px}
.faq-answer p{font-size:14px;color:var(--text-secondary);line-height:1.75;border-left:2px solid var(--accent);padding-left:16px;margin-top:4px}
@media(max-width:767px){
  .faq{padding:64px 0}
}

/* CTA */
.cta{padding:80px 0}
.cta-inner{background:linear-gradient(120deg,var(--accent) 0%,var(--primary) 100%);border-radius:24px;padding:56px 64px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-text{max-width:480px}
.cta-text h2{color:#fff;font-size:1.75rem;font-weight:700;line-height:1.4;margin-bottom:10px}
.cta-text p{color:rgba(255,255,255,.85);font-size:15px;line-height:1.7}
@media(max-width:767px){
  .cta{padding:56px 0}
  .cta-inner{padding:36px 24px;flex-direction:column;text-align:center;border-radius:16px}
  .cta-text p{text-align:center}
  .btn-white{width:100%}
}

/* Footer */
.site-footer{background:#0E2A40;color:rgba(255,255,255,.7);padding:72px 0 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px}
.footer-logo{font-size:20px;font-weight:700;color:#fff;display:inline-block;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.7;margin-bottom:20px;color:rgba(255,255,255,.6)}
.footer-social{display:flex;gap:12px}
.footer-social a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:#fff;transition:background var(--transition)}
.footer-social a:hover{background:var(--primary);color:#fff}
.footer-social svg{width:18px;height:18px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:20px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.6);padding:8px 0;transition:all var(--transition)}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;text-align:center}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.4)}
@media(max-width:1023px){
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media(max-width:767px){
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
}

@media(hover:none){
  .card:hover,.feature-img:hover img,.case-mini:hover,.news-card:hover{transform:none;box-shadow:var(--shadow-sm)}
}

/* roulang page: article */
:root {
        --primary: #2D6A9E;
        --primary-hover: #1E4D78;
        --accent: #3FAE9A;
        --bg: #F7F9FB;
        --card: #FFFFFF;
        --text: #2B2F36;
        --text-muted: #5C6672;
        --text-light: #8A94A0;
        --border: #E4E9EF;
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --shadow-sm: 0 2px 8px rgba(41, 82, 118, 0.06), 0 1px 2px rgba(41, 82, 118, 0.04);
        --shadow-md: 0 8px 24px rgba(41, 82, 118, 0.12), 0 2px 6px rgba(41, 82, 118, 0.08);
        --font: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; font-variant-numeric: tabular-nums; }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button { font-family: inherit; border: none; background: none; cursor: pointer; }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
    .site-header { position: sticky; top: 16px; z-index: 100; padding: 0 20px; }
    .header-inner { max-width: 1100px; margin: 0 auto; background: rgba(255, 255, 255, 0.96); border-radius: 999px; box-shadow: 0 4px 20px rgba(41, 82, 118, 0.10); display: flex; align-items: center; justify-content: space-between; padding: 8px 24px; min-height: 64px; }
    .logo { font-size: 1.35rem; font-weight: 800; color: var(--primary); letter-spacing: -0.01em; }
    .logo span { color: var(--accent); }
    .main-nav { display: flex; align-items: center; gap: 4px; }
    .nav-link { font-size: 0.9375rem; font-weight: 500; color: var(--text-muted); padding: 8px 16px; border-radius: 999px; transition: color 0.2s ease, background 0.2s ease; }
    .nav-link:hover { color: var(--primary); background: rgba(45, 106, 158, 0.08); }
    .nav-link.active { color: var(--primary); font-weight: 600; background: rgba(45, 106, 158, 0.08); }
    .nav-link.active::after { content: ""; display: block; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); margin: 2px auto 0; }
    .header-actions { display: flex; align-items: center; gap: 12px; }
    .btn { display: inline-flex; align-items: center; justify-content: center; font-size: 0.9375rem; font-weight: 600; padding: 12px 24px; border-radius: var(--radius-sm); transition: all 0.2s ease; }
    .btn:focus-visible { outline: 3px solid rgba(45, 106, 158, 0.25); outline-offset: 2px; }
    .btn-primary { background: var(--primary); color: #fff; }
    .btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(45, 106, 158, 0.25); }
    .btn-primary:active { transform: translateY(0); filter: brightness(0.95); }
    .btn-outline { background: transparent; border: 1.5px solid var(--primary); color: var(--primary); }
    .btn-outline:hover { background: rgba(45, 106, 158, 0.08); }
    .menu-toggle { display: none; width: 40px; height: 40px; border-radius: 10px; align-items: center; justify-content: center; color: var(--text-muted); transition: background 0.2s ease; }
    .menu-toggle:hover { background: rgba(45, 106, 158, 0.08); color: var(--primary); }
    .menu-toggle svg { width: 22px; height: 22px; }
    .article-main { padding: 48px 0 96px; }
    .breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 0.875rem; color: var(--text-light); margin-bottom: 32px; }
    .breadcrumb a { color: var(--text-muted); transition: color 0.2s ease; }
    .breadcrumb a:hover { color: var(--primary); }
    .breadcrumb .sep { color: var(--border); }
    .breadcrumb .current { color: var(--text-muted); max-width: 320px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .article-head { max-width: 820px; margin-bottom: 32px; }
    .article-head h1 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 700; line-height: 1.3; color: var(--text); margin-bottom: 20px; }
    .article-meta { display: flex; flex-wrap: wrap; gap: 16px; color: var(--text-light); font-size: 0.875rem; }
    .meta-item { display: inline-flex; align-items: center; gap: 6px; }
    .meta-item svg { width: 16px; height: 16px; }
    .meta-item a { color: var(--primary); font-weight: 500; }
    .meta-item a:hover { text-decoration: underline; }
    .article-body { max-width: 780px; margin: 0 auto 48px; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 32px; }
    .article-cover { border-radius: var(--radius-md); overflow: hidden; margin-bottom: 32px; background: #eef2f5; }
    .article-cover img { width: 100%; height: 360px; object-fit: cover; }
    .cms-content { font-size: 1rem; line-height: 1.85; color: #333; }
    .cms-content p { margin-bottom: 24px; }
    .cms-content h2 { font-size: 1.5rem; font-weight: 700; margin: 40px 0 16px; color: var(--text); }
    .cms-content h3 { font-size: 1.25rem; font-weight: 600; margin: 28px 0 12px; color: var(--text); }
    .cms-content ul, .cms-content ol { margin-bottom: 24px; padding-left: 24px; }
    .cms-content li { margin-bottom: 8px; }
    .cms-content blockquote { border-left: 3px solid var(--primary); background: rgba(45, 106, 158, 0.04); padding: 16px 20px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-muted); margin-bottom: 24px; }
    .cms-content img { border-radius: var(--radius-md); margin: 24px 0; }
    .cms-content pre { background: #f0f4f8; padding: 16px; border-radius: var(--radius-sm); overflow-x: auto; font-size: 0.9rem; margin-bottom: 24px; }
    .cms-content code { font-size: 0.9rem; }
    .content-empty { text-align: center; padding: 80px 24px; color: var(--text-light); }
    .content-empty p { font-size: 1.125rem; margin-bottom: 24px; }
    .content-empty a { color: var(--primary); font-weight: 600; }
    .content-empty a:hover { text-decoration: underline; }
    .article-share { display: flex; align-items: center; gap: 16px; border-top: 1px solid var(--border); padding-top: 24px; margin-top: 32px; }
    .article-share span { font-size: 0.875rem; color: var(--text-light); }
    .share-link { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--text-muted); border: 1px solid var(--border); transition: all 0.2s ease; }
    .share-link:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
    .share-link svg { width: 18px; height: 18px; }
    .article-source { margin-top: 32px; background: #f7f9fb; border-radius: var(--radius-md); border: 1px solid var(--border); padding: 20px 24px; font-size: 0.875rem; color: var(--text-muted); }
    .source-item { display: flex; gap: 12px; align-items: baseline; }
    .source-item + .source-item { margin-top: 8px; }
    .source-item span { color: var(--text-light); min-width: 56px; }
    .related-posts { max-width: 1200px; margin: 64px auto 0; }
    .section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 24px; }
    .section-head h2 { font-size: 1.75rem; font-weight: 700; color: var(--text); position: relative; padding-bottom: 12px; }
    .section-head h2::after { content: ""; position: absolute; bottom: 0; left: 0; width: 48px; height: 3px; background: var(--accent); border-radius: 99px; }
    .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .related-card { background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); overflow: hidden; transition: transform 0.25s ease, box-shadow 0.25s ease; border: 1px solid transparent; }
    .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(45, 106, 158, 0.4); }
    .related-card a { display: block; }
    .related-thumb { height: 160px; overflow: hidden; background: #eef2f5; }
    .related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
    .related-card:hover .related-thumb img { transform: scale(1.05); }
    .related-info { padding: 16px 20px 20px; }
    .related-info h3 { font-size: 1.0625rem; font-weight: 600; line-height: 1.5; margin-bottom: 8px; transition: color 0.2s ease; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
    .related-card:hover .related-info h3 { color: var(--primary); }
    .related-info p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .article-back { margin-top: 48px; }
    .back-link { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-weight: 500; font-size: 0.9375rem; transition: gap 0.2s ease; }
    .back-link:hover { gap: 12px; }
    .site-footer { background: #0E2A40; color: rgba(255, 255, 255, 0.7); padding: 64px 0 0; margin-top: 96px; }
    .footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 1.2fr; gap: 40px; padding-bottom: 48px; }
    .footer-logo { font-size: 1.5rem; font-weight: 800; color: #fff; margin-bottom: 12px; display: inline-block; }
    .footer-brand p { font-size: 0.875rem; line-height: 1.7; max-width: 360px; }
    .footer-social { display: flex; gap: 12px; margin-top: 20px; }
    .footer-social a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, 0.1); color: #fff; display: flex; align-items: center; justify-content: center; transition: background 0.2s ease, transform 0.2s ease; }
    .footer-social a:hover { background: var(--primary); transform: translateY(-2px); }
    .footer-social svg { width: 18px; height: 18px; }
    .footer-col h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 16px; }
    .footer-col a { display: block; color: rgba(255, 255, 255, 0.7); font-size: 0.875rem; padding: 6px 0; transition: color 0.2s ease, transform 0.2s ease; }
    .footer-col a:hover { color: #fff; transform: translateX(2px); }
    .footer-col p { font-size: 0.875rem; color: rgba(255, 255, 255, 0.7); padding: 6px 0; }
    .footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); padding: 24px 0; text-align: center; font-size: 0.8125rem; color: rgba(255, 255, 255, 0.5); }
    @media (max-width: 1024px) {
        .related-grid { grid-template-columns: repeat(2, 1fr); }
        .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
        .site-header { top: 12px; padding: 0 12px; }
        .header-inner { min-height: 56px; padding: 6px 16px; }
        .logo { font-size: 1.2rem; }
        .main-nav { position: absolute; top: calc(100% + 12px); left: 12px; right: 12px; background: #fff; border-radius: 24px; box-shadow: var(--shadow-md); flex-direction: column; padding: 12px; gap: 8px; display: none; }
        .main-nav.open { display: flex; }
        .nav-link { padding: 12px 16px; border-radius: var(--radius-sm); width: 100%; }
        .header-cta { display: none; }
        .menu-toggle { display: flex; }
        .article-main { padding: 32px 0 64px; }
        .article-body { padding: 24px 20px; }
        .article-cover img { height: 240px; }
        .article-head h1 { font-size: 1.7rem; }
        .related-grid { grid-template-columns: 1fr; }
        .footer-grid { grid-template-columns: 1fr; gap: 32px; }
        .container { padding: 0 16px; }
    }
    @media (max-width: 520px) {
        .article-meta { gap: 12px; }
        .meta-item { font-size: 0.8125rem; }
        .article-body { padding: 20px 16px; }
    }

/* roulang page: category1 */
:root {
            --primary: #2D6A9E;
            --primary-dark: #1E4D78;
            --primary-light: rgba(45, 106, 158, 0.08);
            --accent: #3FAE9A;
            --accent-dark: #2E8E7D;
            --accent-light: rgba(63, 174, 154, 0.1);
            --bg: #F7F9FB;
            --card: #FFFFFF;
            --text: #2B2F36;
            --text-2: #5C6672;
            --text-3: #8A94A0;
            --border: #E4E9EF;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow: 0 2px 8px rgba(41, 82, 118, 0.06), 0 1px 2px rgba(41, 82, 118, 0.04);
            --shadow-hover: 0 8px 24px rgba(41, 82, 118, 0.12), 0 2px 6px rgba(41, 82, 118, 0.08);
            --shadow-nav: 0 4px 20px rgba(41, 82, 118, 0.10);
            --transition: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

        button {
            font: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

        ul {
            list-style: none;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(45, 106, 158, 0.25);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 浮动Dock导航 ===== */
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 100;
            padding: 0 24px;
        }

        .main-nav {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.92);
            border-radius: 999px;
            padding: 0 24px;
            height: 60px;
            box-shadow: var(--shadow-nav);
            border: 1px solid rgba(228, 233, 239, 0.7);
            position: relative;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }

        .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.875rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            gap: 4px;
        }

        .nav-link {
            padding: 10px 18px;
            border-radius: 999px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-2);
            transition: all var(--transition);
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            background: var(--primary);
            color: #fff;
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 0.875rem;
            font-weight: 600;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(45, 106, 158, 0.25);
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
        }

        .menu-toggle:hover {
            background: rgba(45, 106, 158, 0.15);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            left: 0;
            right: 0;
            background: #fff;
            border-radius: 24px;
            box-shadow: var(--shadow-hover);
            padding: 12px;
            z-index: 99;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-link {
            display: block;
            padding: 14px 20px;
            border-radius: 12px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text);
            transition: background var(--transition);
        }

        .mobile-link:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .mobile-link.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== 按钮体系 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 0.9375rem;
            font-weight: 600;
            line-height: 1.4;
            transition: all var(--transition);
            border: 1.5px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(45, 106, 158, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(0.94);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            background: rgba(45, 106, 158, 0.12);
            transform: translateY(0);
        }

        .btn-light {
            background: #fff;
            color: var(--primary-dark);
            border-color: #fff;
        }

        .btn-light:hover {
            background: rgba(255, 255, 255, 0.9);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }

        /* ===== 页头横幅 ===== */
        .page-hero {
            position: relative;
            padding: 72px 0 56px;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background: linear-gradient(90deg, #FFFFFF 0%, #F0F5FA 100%);
            z-index: -1;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: 24px;
            right: 8%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(63, 174, 154, 0.06);
            z-index: -1;
            pointer-events: none;
        }

        .hero-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 56px;
        }

        .hero-text {
            flex: 1;
            max-width: 560px;
        }

        .breadcrumb {
            font-size: 0.8125rem;
            color: var(--text-3);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-3);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb-sep {
            margin: 0 4px;
            color: var(--text-3);
            opacity: 0.6;
        }

        .hero-title {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .hero-title .highlight {
            color: var(--primary);
        }

        .hero-desc {
            margin-top: 18px;
            font-size: 1.125rem;
            color: var(--text-2);
            line-height: 1.7;
            max-width: 460px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .hero-visual {
            flex: 1;
            max-width: 520px;
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-hover);
            background: #F0F3F6;
        }

        .hero-visual img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        .hero-badge {
            position: absolute;
            right: 20px;
            bottom: 20px;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 12px;
            padding: 14px 18px;
            box-shadow: var(--shadow-hover);
            display: flex;
            flex-direction: column;
            gap: 2px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.6);
        }

        .badge-num {
            font-size: 1.625rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .badge-label {
            font-size: 0.75rem;
            color: var(--text-2);
            font-weight: 500;
        }

        /* ===== 筛选标签条 ===== */
        .filter-wrap {
            padding: 8px 0 0;
        }

        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 14px 18px;
            box-shadow: var(--shadow);
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--text-3);
            margin-right: 6px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .filter-label::before {
            content: '';
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
        }

        .filter-pill {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 0.8125rem;
            font-weight: 500;
            color: var(--text-2);
            background: var(--bg);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .filter-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .filter-pill.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

        /* ===== 内容区：左宽列表 + 右信息卡 ===== */
        .content-section {
            padding: 72px 0 40px;
        }

        .content-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
            align-items: start;
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .feature-card {
            display: flex;
            gap: 22px;
            background: var(--card);
            border-radius: var(--radius-md);
            padding: 26px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
            align-items: center;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(45, 106, 158, 0.4);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .feature-icon svg {
            width: 24px;
            height: 24px;
        }

        .feature-body {
            flex: 1;
        }

        .feature-body h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .feature-body p {
            font-size: 0.875rem;
            color: var(--text-2);
            line-height: 1.7;
            margin-bottom: 10px;
        }

        .feature-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .feature-tags .tag {
            font-size: 0.75rem;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 4px;
            background: var(--accent-light);
            color: var(--accent-dark);
        }

        .feature-tags .tag-blue {
            background: var(--primary-light);
            color: var(--primary);
        }

        .feature-img {
            width: 150px;
            height: 106px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
            background: #F0F3F6;
            border: 1px solid var(--border);
        }

        /* 右侧信息卡 */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
            position: sticky;
            top: 96px;
        }

        .side-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: box-shadow var(--transition);
        }

        .side-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .side-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .side-card h3::before {
            content: '';
            width: 3px;
            height: 16px;
            border-radius: 2px;
            background: var(--accent);
            display: inline-block;
        }

        .side-card p {
            font-size: 0.875rem;
            color: var(--text-2);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .side-data ul {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .side-data li {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            font-size: 0.8125rem;
            color: var(--text-2);
            border-bottom: 1px dashed var(--border);
            padding-bottom: 10px;
        }

        .side-data li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .side-data strong {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
        }

        .text-link {
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }

        .text-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* ===== 流程区 ===== */
        .process-section {
            padding: 64px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: clamp(1.5rem, 2.4vw, 2rem);
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
        }

        .section-header p {
            margin-top: 12px;
            font-size: 0.9375rem;
            color: var(--text-2);
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .process-step {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 30px 26px 26px;
            position: relative;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            border-top: 3px solid var(--primary);
            transition: all var(--transition);
        }

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

        .step-num {
            font-size: 2rem;
            font-weight: 700;
            color: rgba(45, 106, 158, 0.2);
            line-height: 1.2;
            display: block;
            margin-bottom: 12px;
            font-variant-numeric: tabular-nums;
        }

        .process-step h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 0.8125rem;
            color: var(--text-2);
            line-height: 1.6;
        }

        /* ===== 场景区 ===== */
        .scenario-section {
            padding: 64px 0;
            background: rgba(63, 174, 154, 0.04);
            border-top: 1px solid rgba(63, 174, 154, 0.1);
            border-bottom: 1px solid rgba(63, 174, 154, 0.1);
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: start;
        }

        .scenario-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

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

        .scenario-card.middle {
            transform: translateY(-16px);
            background: #fff;
            border-color: rgba(63, 174, 154, 0.4);
            box-shadow: 0 8px 24px rgba(63, 174, 154, 0.12);
        }

        .scenario-card.middle:hover {
            transform: translateY(-20px);
        }

        .scenario-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }

        .scenario-icon svg {
            width: 22px;
            height: 22px;
        }

        .scenario-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 10px;
        }

        .scenario-card p {
            font-size: 0.875rem;
            color: var(--text-2);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .scenario-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .scenario-tags .tag {
            font-size: 0.75rem;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text-2);
        }

        .scenario-card.middle .scenario-tags .tag {
            background: var(--accent-light);
            border-color: rgba(63, 174, 154, 0.25);
            color: var(--accent-dark);
        }

        /* ===== 数据对比条 ===== */
        .stats-section {
            padding: 48px 0;
        }

        .stats-bar {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 40px 32px;
            gap: 24px;
            border: 1px solid var(--border);
        }

        .stats-bar .stat-item {
            text-align: center;
            border-left: 1px solid var(--border);
            padding: 0 16px;
        }

        .stats-bar .stat-item:first-child {
            border-left: none;
        }

        .stats-bar strong {
            display: block;
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
            margin-bottom: 6px;
        }

        .stats-bar span {
            color: var(--text-2);
            font-size: 0.875rem;
            font-weight: 500;
        }

        /* ===== FAQ区 ===== */
        .faq-section {
            padding: 72px 0 48px;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item.open {
            border-color: rgba(45, 106, 158, 0.35);
            box-shadow: var(--shadow-hover);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 24px;
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--accent-light);
            color: var(--accent-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 600;
            flex-shrink: 0;
            transition: transform var(--transition), background var(--transition);
            line-height: 1;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 180px;
        }

        .faq-answer p {
            padding: 0 24px 20px 62px;
            font-size: 0.875rem;
            color: var(--text-2);
            line-height: 1.7;
        }

        /* ===== CTA横幅 ===== */
        .cta-section {
            padding: 56px 0 88px;
        }

        .cta-banner {
            background: linear-gradient(120deg, #3FAE9A 0%, #2D6A9E 100%);
            border-radius: 24px;
            padding: 48px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 12px 32px rgba(45, 106, 158, 0.25);
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-banner h2 {
            font-size: clamp(1.375rem, 2.2vw, 1.875rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9375rem;
            line-height: 1.6;
        }

        .cta-buttons {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0E2A40;
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
            margin-top: 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-logo {
            font-size: 1.375rem;
            font-weight: 700;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .footer-logo .logo-mark {
            background: var(--accent);
            color: #fff;
        }

        .footer-brand p {
            margin-top: 14px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
            line-height: 1.7;
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 18px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            transform: translateY(-2px);
        }

        .footer-social svg {
            width: 18px;
            height: 18px;
        }

        .footer-col h4 {
            font-size: 0.9375rem;
            color: #fff;
            margin-bottom: 18px;
            font-weight: 600;
        }

        .footer-col a,
        .footer-col p {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.875rem;
            margin-bottom: 10px;
            line-height: 1.6;
            transition: all var(--transition);
        }

        .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            text-align: center;
            padding: 24px 0;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr;
            }

            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(3, 1fr);
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }

            .site-header {
                padding: 0 16px;
                top: 12px;
            }

            .main-nav {
                padding: 0 16px;
            }

            .nav-links,
            .nav-cta {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .page-hero {
                padding: 56px 0 40px;
            }

            .hero-inner {
                flex-direction: column;
                gap: 32px;
            }

            .hero-text {
                max-width: 100%;
                text-align: center;
            }

            .hero-desc {
                margin-left: auto;
                margin-right: auto;
            }

            .hero-buttons {
                justify-content: center;
            }

            .hero-visual {
                max-width: 100%;
                width: 100%;
            }

            .hero-visual img {
                height: 220px;
            }

            .content-section {
                padding: 56px 0 32px;
            }

            .feature-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
            }

            .feature-img {
                width: 100%;
                height: 170px;
            }

            .sidebar {
                grid-template-columns: 1fr;
            }

            .process-section,
            .scenario-section,
            .stats-section,
            .faq-section {
                padding: 48px 0;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
            }

            .scenario-card.middle {
                transform: none;
            }

            .scenario-card.middle:hover {
                transform: translateY(-4px);
            }

            .stats-bar {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 32px 24px;
            }

            .stats-bar .stat-item {
                border-left: none;
                border-bottom: 1px solid var(--border);
                padding: 0 0 20px;
            }

            .stats-bar .stat-item:last-child {
                border-bottom: none;
                padding-bottom: 0;
            }

            .cta-banner {
                flex-direction: column;
                text-align: center;
                padding: 40px 28px;
            }

            .cta-buttons {
                width: 100%;
                flex-direction: column;
            }

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

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

            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.75rem;
            }

            .hero-desc {
                font-size: 1rem;
            }

            .hero-buttons .btn {
                width: 100%;
            }

            .filter-bar {
                padding: 12px;
                gap: 8px;
            }

            .filter-pill {
                padding: 6px 14px;
                font-size: 0.75rem;
            }

            .faq-answer p {
                padding-left: 24px;
            }

            .logo {
                font-size: 1.1rem;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #2D6A9E;
  --primary-dark: #1E4D78;
  --primary-light: #EAF2F8;
  --accent: #3FAE9A;
  --accent-light: rgba(63, 174, 154, 0.10);
  --bg: #F7F9FB;
  --card-bg: #FFFFFF;
  --text: #2B2F36;
  --text-secondary: #5C6672;
  --text-muted: #8A94A0;
  --border: #E4E9EF;
  --shadow-sm: 0 2px 8px rgba(41, 82, 118, 0.06), 0 1px 2px rgba(41, 82, 118, 0.04);
  --shadow-md: 0 8px 24px rgba(41, 82, 118, 0.12), 0 2px 6px rgba(41, 82, 118, 0.08);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  text-decoration: none;
  color: inherit;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul,
ol {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  line-height: 1.4;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border: 1.5px solid var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(45, 106, 158, 0.25);
}

.btn-primary:active {
  transform: translateY(0);
  filter: brightness(0.92);
}

.btn-primary:focus-visible,
.btn-secondary:focus-visible {
  outline: 3px solid rgba(45, 106, 158, 0.25);
  outline-offset: 2px;
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

.btn-secondary:hover {
  background: rgba(45, 106, 158, 0.08);
  border-color: var(--primary-dark);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-secondary:active {
  background: rgba(45, 106, 158, 0.12);
  transform: translateY(0);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.8125rem;
}

/* ====== Header / Nav ====== */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 100;
  padding: 0 16px;
}

.nav-dock {
  max-width: 1200px;
  margin: 0 auto;
  background: #fff;
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(41, 82, 118, 0.10);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  position: relative;
}

.brand-logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.brand-logo::before {
  content: "";
  display: block;
  width: 28px;
  height: 28px;
  background: var(--primary);
  border-radius: 8px;
  flex-shrink: 0;
  background-image: linear-gradient(135deg, var(--primary) 60%, var(--accent) 60%);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(45, 106, 158, 0.06);
}

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-cta {
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile-panel {
  display: none;
}

@media (max-width: 900px) {
  .main-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-dock {
    border-radius: 32px;
  }

  .nav-mobile-panel {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: #fff;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    padding: 12px;
    flex-direction: column;
    gap: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  }

  .nav-mobile-panel.open {
    display: flex;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-mobile-panel .nav-link {
    padding: 12px 16px;
    border-radius: 12px;
  }

  .nav-mobile-panel .nav-link.active {
    background: var(--primary-light);
  }
}

@media (max-width: 520px) {
  .nav-cta {
    display: none;
  }

  .nav-dock {
    padding: 10px 16px;
  }
}

/* ====== Page Hero ====== */
.page-hero {
  background: linear-gradient(90deg, #FFFFFF 0%, #F0F5FA 100%);
  padding: 96px 0 64px;
  border-bottom: 1px solid var(--border);
}

.page-hero-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 640px;
}

.page-hero h1 span {
  color: var(--primary);
}

.page-hero .hero-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 420px;
  line-height: 1.8;
}

.page-hero-divider {
  height: 1px;
  background: var(--border);
  margin-top: 40px;
}

@media (max-width: 768px) {
  .page-hero {
    padding: 72px 0 48px;
  }

  .page-hero-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .page-hero .hero-desc {
    max-width: 100%;
  }
}

/* ====== Tag Bar ====== */
.tag-bar {
  padding: 28px 0;
  background: var(--bg);
}

.tag-bar-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 18px;
  transition: all 0.2s ease;
}

.tag-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(45, 106, 158, 0.05);
}

.tag-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ====== Brand Grid ====== */
.brand-grid-section {
  padding: 64px 0 96px;
}

.section-head {
  margin-bottom: 48px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.section-head h2 {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text);
}

.section-head p {
  color: var(--text-secondary);
  max-width: 460px;
  font-size: 0.9375rem;
}

.brand-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.brand-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 0;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.brand-card .card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.brand-card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.brand-card .card-body {
  padding: 24px;
}

.brand-card .card-body h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}

.brand-card .card-body h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.25s ease;
}

.brand-card:hover .card-body h3::after {
  width: 100%;
}

.brand-card .card-body p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  transition: gap 0.2s ease;
}

.card-link:hover {
  gap: 8px;
}

.card-tone-silver {
  background: #F0F2F5;
}

.card-tone-blue {
  background: #EAF2F8;
}

@media (max-width: 992px) {
  .brand-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .brand-grid {
    grid-template-columns: 1fr;
  }
}

/* ====== Stats Band ====== */
.stats-band {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 72px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 12px;
}

.stat-item .stat-num {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.stat-item .stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 8px;
}

@media (max-width: 900px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 520px) {
  .stat-item .stat-num {
    font-size: 1.75rem;
  }
}

/* ====== Belief Section ====== */
.belief-section {
  padding: 96px 0;
}

.belief-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.belief-text {
  padding-right: 16px;
}

.belief-text .eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-light);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 20px;
}

.belief-text h2 {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  color: var(--text);
}

.belief-text p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.belief-points {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.belief-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text);
}

.belief-points li::before {
  content: "";
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 9px;
  flex-shrink: 0;
}

.belief-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
}

.belief-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.belief-media .media-badge {
  position: absolute;
  left: 20px;
  top: 20px;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.media-badge .badge-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.25rem;
  font-weight: 700;
}

.media-badge .badge-text small {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.media-badge .badge-text strong {
  font-size: 1.0625rem;
  color: var(--text);
  font-weight: 700;
}

@media (max-width: 992px) {
  .belief-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .belief-text {
    padding-right: 0;
  }
}

/* ====== FAQ ====== */
.faq-section {
  padding: 96px 0;
  background: #fff;
}

.faq-container {
  max-width: 820px;
  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-md);
  padding: 20px 24px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.faq-item:hover {
  border-color: rgba(45, 106, 158, 0.4);
}

.faq-item.active {
  border-color: rgba(45, 106, 158, 0.6);
  box-shadow: var(--shadow-sm);
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  padding: 4px 0;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.125rem;
  transition: transform 0.25s ease, background 0.25s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-a-inner {
  padding-top: 14px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.75;
  border-top: 1px solid var(--border);
  margin-top: 12px;
}

.faq-item.active .faq-a {
  max-height: 300px;
}

/* ====== CTA Bar ====== */
.cta-bar {
  padding: 72px 0 96px;
}

.cta-bar-inner {
  background: linear-gradient(120deg, #3FAE9A 0%, #2D6A9E 100%);
  border-radius: 24px;
  padding: 56px 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  box-shadow: 0 12px 32px rgba(45, 106, 158, 0.20);
}

.cta-text h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 10px;
}

.cta-text p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9375rem;
  line-height: 1.7;
  max-width: 500px;
}

.cta-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.cta-actions .btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

.cta-actions .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #fff;
  color: #fff;
}

.cta-actions .btn-primary {
  background: #fff;
  color: var(--primary-dark);
  border-color: #fff;
}

.cta-actions .btn-primary:hover {
  background: #f0f5fa;
  border-color: #f0f5fa;
}

@media (max-width: 768px) {
  .cta-bar-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 40px 32px;
  }

  .cta-actions {
    flex-direction: column;
    width: 100%;
  }

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

/* ====== Footer ====== */
.site-footer {
  background: #0E2A40;
  padding: 64px 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  max-width: 260px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: background 0.2s ease, transform 0.2s ease;
}

.footer-social a:hover {
  background: var(--primary);
  transform: translateY(-2px);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  padding: 5px 0;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-col a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-col p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ====== Responsive ====== */
@media (max-width: 1200px) {
  .brand-grid {
    gap: 16px;
  }
}

@media (max-width: 768px) {
  .page-hero-inner {
    flex-direction: column;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .section-head p {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .site-header {
    padding: 0 10px;
    top: 10px;
  }

  .nav-dock {
    padding: 8px 14px;
  }

  .brand-logo {
    font-size: 1rem;
  }

  .stats-grid {
    gap: 16px;
  }
}

/* ====== Focus & Accessibility ====== */
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(45, 106, 158, 0.3);
  outline-offset: 2px;
}

img {
  background: #f0f2f5;
}

@media (hover: hover) {
  .brand-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }
}