/* roulang page: index */
:root {
  --primary: #0E766D;
  --primary-light: #18A999;
  --accent: #D97706;
  --accent-light: #F59E0B;
  --dark: #0B2E29;
  --bg: #F7F5F2;
  --card-bg: #FFFFFF;
  --text: #1F2937;
  --text-secondary: #6B7280;
  --border: #E5E2DD;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow: 0 4px 12px rgba(11,46,41,0.06);
  --shadow-hover: 0 12px 28px rgba(11,46,41,0.12);
  --g1: linear-gradient(135deg, #0E766D 0%, #18A999 100%);
  --g2: linear-gradient(135deg, #D97706 0%, #F59E0B 100%);
  --font-stack: 'PingFang SC','Microsoft YaHei','Noto Sans SC','Helvetica Neue',Arial,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);
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-light)}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.grid-x{display:flex;flex-wrap:wrap}

/* 头部导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:60px;display:flex;align-items:center;
  background:transparent;transition:all .3s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 12px rgba(11,46,41,.04);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;width:100%;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;color:var(--dark);
  letter-spacing:.02em;white-space:nowrap;
}
.logo-icon{
  width:36px;height:36px;border-radius:10px;
  background:var(--g1);display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;flex-shrink:0;
}
.logo:hover{color:var(--dark)}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{
  font-size:15px;color:var(--text);font-weight:500;position:relative;
  padding:4px 0;transition:color .2s;
}
.main-nav a::after{
  content:'';position:absolute;left:0;bottom:-2px;width:100%;height:4px;
  background:var(--primary);border-radius:999px;opacity:0;transition:opacity .2s;
}
.main-nav a:hover{color:var(--primary)}
.main-nav a.active{color:var(--primary);font-weight:600}
.main-nav a.active::after{opacity:1}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-cta .btn{padding:8px 18px;font-size:14px}
.hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--border);
  border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center;
  font-size:18px;color:var(--dark);
}
.mobile-drawer{
  display:none;position:fixed;top:60px;left:0;right:0;bottom:0;z-index:999;
  background:var(--bg);padding:20px 24px;flex-direction:column;gap:8px;
  overflow-y:auto;border-top:1px solid var(--border);
}
.mobile-drawer.open{display:flex}
.mobile-drawer a{
  height:52px;display:flex;align-items:center;font-size:16px;font-weight:500;
  color:var(--text);border-bottom:1px solid #f0ece6;
}
.mobile-drawer a.active{color:var(--primary);font-weight:700}
.mobile-drawer .btn{width:100%;margin-top:20px;justify-content:center}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:all .25s ease;line-height:1.4;white-space:nowrap;
}
.btn-primary{background:var(--g1);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);color:#fff}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:rgba(14,118,109,.08);transform:translateY(-2px)}
.btn-amber{background:var(--g2);color:#fff}
.btn-amber:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);color:#fff}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn:active{transform:translateY(0) scale(.98)}
.btn-lg{padding:14px 32px;font-size:16px;border-radius:12px}

/* Hero */
.hero{
  min-height:100vh;display:flex;align-items:center;
  padding:120px 0 80px;position:relative;overflow:hidden;
  background:linear-gradient(rgba(247,245,242,.92),rgba(247,245,242,.96)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero .container{position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.05em;color:var(--primary);
  background:rgba(14,118,109,.08);padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero h1{
  font-size:40px;font-weight:800;line-height:1.25;color:var(--dark);
  margin-bottom:18px;letter-spacing:.01em;
}
.hero h1 span{color:var(--primary)}
.hero-sub{
  font-size:17px;color:var(--text-secondary);max-width:480px;line-height:1.7;margin-bottom:30px;
}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.hero-trust{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.trust-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--text-secondary);background:#fff;
  border:1px solid var(--border);padding:6px 14px;border-radius:999px;
}
.trust-tag i{color:var(--primary);font-size:12px}
.hero-visual{position:relative}
.hero-img{
  border-radius:24px;box-shadow:var(--shadow-hover);
  width:100%;height:480px;object-fit:cover;position:relative;z-index:1;
}
.hero-img-wrap{position:relative}
.hero-badge{
  position:absolute;top:-24px;left:-24px;z-index:3;
  background:#fff;border-radius:16px;padding:16px 20px;
  box-shadow:var(--shadow-hover);border:1px solid var(--border);
  min-width:160px;
}
.hero-badge .num{font-size:36px;font-weight:800;background:var(--g2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1.1}
.hero-badge .label{font-size:13px;color:var(--text-secondary);margin-top:4px}
.hero-panel{
  position:absolute;bottom:-26px;right:24px;z-index:3;
  background:#fff;border-radius:14px;padding:14px 18px;
  box-shadow:var(--shadow-hover);border:1px solid var(--border);
  display:flex;align-items:center;gap:12px;
}
.panel-dot{
  width:10px;height:10px;border-radius:50%;background:#16A34A;
  box-shadow:0 0 0 4px rgba(22,163,74,.15);flex-shrink:0;
}
.hero-panel .panel-title{font-size:14px;font-weight:600;color:var(--dark)}
.hero-panel .panel-status{font-size:12px;color:var(--text-secondary)}
.scroll-indicator{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  width:28px;height:44px;border:2px solid rgba(11,46,41,.3);border-radius:99px;
  z-index:3;
}
.scroll-indicator::after{
  content:'';position:absolute;top:8px;left:50%;transform:translateX(-50%);
  width:4px;height:8px;background:var(--primary);border-radius:99px;
  animation:scrollDown 1.6s infinite;
}
@keyframes scrollDown{0%{opacity:1;top:8px}70%{opacity:0;top:20px}100%{opacity:0;top:8px}}

/* 板块通用 */
.section-pad{padding:80px 0}
.section-head{text-align:center;margin-bottom:52px}
.section-head h2{
  font-size:30px;font-weight:700;color:var(--dark);line-height:1.3;margin-bottom:12px;
}
.section-head .sub{font-size:16px;color:var(--text-secondary);max-width:640px;margin:0 auto}
.section-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--primary);text-transform:uppercase;margin-bottom:10px;
}

/* 痛点板块 */
.pain-points{background:var(--g1);border-radius:24px;padding:52px 48px;display:flex;gap:48px;align-items:flex-start;position:relative;overflow:hidden}
.pain-points::after{
  content:'';position:absolute;top:-60px;right:-40px;width:240px;height:240px;
  background:rgba(255,255,255,.06);border-radius:50%;
}
.pain-left{flex:0 0 38%;position:relative;z-index:1}
.pain-left h2{font-size:28px;font-weight:700;color:#fff;line-height:1.35;margin-bottom:14px}
.pain-left p{color:rgba(255,255,255,.85);font-size:15px;line-height:1.7}
.pain-list{flex:1;display:flex;flex-direction:column;position:relative;z-index:1}
.pain-item{
  display:flex;align-items:center;gap:18px;padding:22px 0;
  border-bottom:1px solid rgba(255,255,255,.16);
}
.pain-item:last-child{border-bottom:none}
.pain-icon{
  width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;flex-shrink:0;
}
.pain-text{flex:1}
.pain-text .pt-title{font-size:16px;font-weight:600;color:#fff;margin-bottom:2px}
.pain-text .pt-sub{font-size:13px;color:rgba(255,255,255,.75)}
.pain-tag{
  display:inline-block;font-size:12px;font-weight:600;color:#fff;
  background:rgba(255,255,255,.18);padding:4px 12px;border-radius:999px;white-space:nowrap;
}

/* 解决方案 */
.solutions{background:#fff}
.sol-main{
  background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:28px;transition:all .3s;position:relative;overflow:hidden;
}
.sol-main:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.sol-main .sol-img{border-radius:14px;height:220px;object-fit:cover;width:100%;margin-bottom:20px}
.sol-main h3{font-size:20px;font-weight:700;color:var(--dark);margin-bottom:10px}
.sol-main p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:16px}
.sol-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:8px}
.sol-link:hover{color:var(--primary-light)}
.sol-link i{font-size:12px;transition:transform .2s}
.sol-link:hover i{transform:translateX(3px)}
.sol-card{
  display:flex;gap:16px;background:var(--card-bg);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:18px;align-items:center;
  transition:all .3s;margin-bottom:16px;
}
.sol-card:last-child{margin-bottom:0}
.sol-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.sol-card .thumb{width:72px;height:72px;border-radius:10px;object-fit:cover;flex-shrink:0}
.sol-card .info{flex:1}
.sol-card .info h4{font-size:16px;font-weight:600;color:var(--dark);margin-bottom:4px}
.sol-card .info p{font-size:13px;color:var(--text-secondary);line-height:1.6}

/* 成果板块 */
.results{background:linear-gradient(180deg,#F7F5F2 0%,#EDF4F2 100%)}
.result-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:32px 20px;text-align:center;transition:all .3s;
}
.result-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.result-card .num{
  font-size:38px;font-weight:800;line-height:1.2;margin-bottom:8px;
  background:var(--g2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.result-card .label{font-size:14px;color:var(--text-secondary)}

/* 客户证言 */
.testimonials{background:#fff}
.testi-left h2{font-size:28px;font-weight:700;color:var(--dark);margin-bottom:12px}
.testi-left .rating{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.testi-left .rating .stars{color:var(--accent);font-size:16px}
.testi-left .rating .score{font-size:18px;font-weight:700;color:var(--dark)}
.testi-left p{font-size:14px;color:var(--text-secondary);line-height:1.7}
.testi-card{
  background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px;transition:all .3s;position:relative;height:100%;
}
.testi-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.testi-pos{position:relative;color:var(--primary);font-size:32px;line-height:1;margin-bottom:14px;font-family:Georgia,serif}
.testi-card blockquote{font-size:14px;color:var(--text);line-height:1.7;border:none;padding:0;margin-bottom:18px;font-style:normal}
.testi-author{display:flex;align-items:center;gap:12px}
.testi-avatar{width:38px;height:38px;border-radius:50%;background:var(--g1);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:13px;flex-shrink:0}
.testi-author .name{font-size:14px;font-weight:600;color:var(--dark)}
.testi-author .role{font-size:12px;color:var(--text-secondary)}

/* CTA 板块 */
.cta-block{position:relative;border-radius:24px;background:var(--dark);padding:64px 48px;text-align:center;overflow:hidden}
.cta-block::before{
  content:'';position:absolute;top:-100px;right:-80px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(245,158,11,.25) 0%,transparent 70%);
  border-radius:50%;
}
.cta-block::after{
  content:'';position:absolute;bottom:-80px;left:-60px;width:260px;height:260px;
  background:radial-gradient(circle,rgba(14,118,109,.35) 0%,transparent 70%);
  border-radius:50%;
}
.cta-block .container{position:relative;z-index:2}
.cta-block h2{font-size:30px;font-weight:700;color:#fff;margin-bottom:14px}
.cta-block p{font-size:16px;color:rgba(255,255,255,.75);margin-bottom:28px;max-width:520px;margin-left:auto;margin-right:auto}
.cta-block .btn{position:relative;z-index:2}
.cta-sublink{display:inline-block;margin-top:18px;font-size:14px;color:rgba(255,255,255,.6)}
.cta-sublink:hover{color:#fff}

/* 最新信息 */
.latest-news{background:var(--bg)}
.news-list{display:flex;flex-direction:column;gap:0}
.news-item{
  display:flex;align-items:center;gap:20px;background:#fff;
  border:1px solid var(--border);border-radius:14px;padding:18px 22px;
  transition:all .25s;margin-bottom:12px;
}
.news-item:last-child{margin-bottom:0}
.news-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--primary)}
.news-thumb{width:80px;height:80px;border-radius:8px;object-fit:cover;flex-shrink:0;background:#f0ece6}
.news-content{flex:1;min-width:0}
.news-cat{
  display:inline-block;font-size:12px;font-weight:600;color:var(--primary);
  background:rgba(14,118,109,.08);padding:3px 10px;border-radius:999px;margin-bottom:6px;
}
.news-content h3{font-size:17px;font-weight:600;color:var(--dark);margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-content p{font-size:13px;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{text-align:right;flex-shrink:0}
.news-meta .date{display:block;font-size:13px;color:var(--text-secondary);margin-bottom:6px}
.news-meta .read{font-size:13px;font-weight:600;color:var(--primary)}
.empty-state{
  text-align:center;padding:40px 20px;color:var(--text-secondary);font-size:15px;
  background:#fff;border-radius:14px;border:1px dashed var(--border);
}
.section-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:36px;flex-wrap:wrap;gap:16px;
}
.section-head-row h2{font-size:28px;font-weight:700;color:var(--dark)}
.more-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.more-link i{font-size:12px}

/* FAQ */
.faq-section{background:#fff}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{
  border:1px solid var(--border);border-radius:12px;margin-bottom:12px;
  transition:all .3s;overflow:hidden;background:#fff;
}
.faq-item.active{border-color:var(--primary);box-shadow:0 4px 16px rgba(14,118,109,.1)}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;cursor:pointer;font-size:16px;font-weight:600;color:var(--dark);
  transition:background .2s;
}
.faq-question:hover{background:#faf8f5}
.faq-icon{
  width:24px;height:24px;border-radius:50%;background:rgba(14,118,109,.1);
  color:var(--primary);display:flex;align-items:center;justify-content:center;
  font-size:14px;transition:transform .3s;flex-shrink:0;
}
.faq-item.active .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-answer{padding:0 24px 20px;font-size:14px;color:var(--text-secondary);line-height:1.75;display:none}
.faq-item.active .faq-answer{display:block}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.75);padding:60px 0 0;font-size:14px}
.footer-grid{display:flex;flex-wrap:wrap;gap:40px;padding-bottom:44px}
.footer-col{flex:1;min-width:220px}
.footer-col:first-child{flex:1.3}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-size:18px;font-weight:800;color:#fff}
.footer-logo .logo-icon{width:38px;height:38px;border-radius:10px;background:var(--g1);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px}
.footer-brand-txt{color:rgba(255,255,255,.65);line-height:1.7;font-size:13px;margin-bottom:20px;max-width:280px}
.social-links{display:flex;gap:12px}
.social-links a{
  width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.75);
  font-size:14px;transition:all .25s;
}
.social-links a:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,.65);font-size:14px;transition:color .2s;display:inline-flex;align-items:center;gap:6px}
.footer-col ul li a:hover{color:#fff}
.footer-col ul li a i{font-size:12px;color:var(--accent)}
.footer-form input,.footer-form textarea{
  width:100%;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  border-radius:8px;padding:10px 14px;color:#fff;font-size:13px;margin-bottom:10px;
  transition:border-color .2s;
}
.footer-form input::placeholder,.footer-form textarea::placeholder{color:rgba(255,255,255,.4)}
.footer-form input:focus,.footer-form textarea:focus{
  border-color:var(--primary-light);outline:none;background:rgba(255,255,255,.12);
}
.footer-form textarea{height:72px;resize:vertical}
.footer-form .btn{width:100%;padding:10px 20px;font-size:14px}
.form-tip{font-size:12px;color:#4ADE80;margin-top:4px;min-height:18px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;
  font-size:13px;color:rgba(255,255,255,.4);
}

/* 响应式 */
@media (max-width:1024px){
  .hero{padding-top:110px;min-height:auto}
  .hero h1{font-size:32px}
  .hero-img{height:360px}
  .pain-points{padding:40px 32px;flex-direction:column;gap:32px}
  .pain-left{flex:none}
  .hero-badge{left:-12px;top:-16px;min-width:140px}
  .hero-badge .num{font-size:26px}
  .cta-block{padding:48px 32px}
  .footer-grid{gap:32px}
}
@media (max-width:768px){
  .main-nav,.nav-cta{display:none}
  .hamburger{display:flex}
  .hero{padding:100px 0 60px}
  .hero .grid-x{flex-direction:column}
  .hero-left{order:1;margin-bottom:48px}
  .hero-visual{order:2}
  .hero-img{height:300px}
  .hero-badge{top:-18px;left:12px}
  .hero-panel{right:12px;bottom:-20px}
  .section-pad{padding:60px 0}
  .section-head h2{font-size:24px}
  .sol-main{margin-bottom:20px}
  .news-item{padding:14px 16px;gap:14px}
  .news-thumb{width:56px;height:56px}
  .news-content h3{font-size:15px}
  .news-meta .read{display:none}
  .result-card{padding:24px 12px}
  .result-card .num{font-size:28px}
  .testimonial-card{margin-bottom:16px}
  .footer-col{flex:0 0 100%}
}
@media (max-width:480px){
  .hero h1{font-size:26px}
  .hero-sub{font-size:15px}
  .btn-lg{padding:12px 24px;font-size:14px}
  .pain-points{padding:32px 20px;border-radius:18px}
  .pain-item{gap:12px;flex-wrap:wrap}
  .pain-text{flex:1 1 100%;order:3;margin-top:6px}
  .pain-tag{margin-left:44px}
  .result-card .num{font-size:24px}
  .cta-block{padding:40px 20px;border-radius:18px}
  .cta-block h2{font-size:24px}
  .faq-question{font-size:15px;padding:16px 18px}
  .more-link{display:none}
}

/* roulang page: article */
:root {
  --primary: #0E766D;
  --primary-light: #18A999;
  --amber: #D97706;
  --amber-light: #F59E0B;
  --deep: #0B2E29;
  --bg: #F7F5F2;
  --card-bg: #FFFFFF;
  --text: #1F2937;
  --text-secondary: #6B7280;
  --border: #EDEAE5;
  --border-strong: #E5E2DD;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-sm: 0 4px 12px rgba(11,46,41,0.06);
  --shadow-lg: 0 12px 28px rgba(11,46,41,0.12);
  --gradient-primary: linear-gradient(135deg, #0E766D 0%, #18A999 100%);
  --gradient-amber: linear-gradient(135deg, #D97706 0%, #F59E0B 100%);
  --font-stack: 'PingFang SC','Microsoft YaHei','Noto Sans SC','Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-stack);
  color:var(--text);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;border:none}
a{color:inherit;text-decoration:none;transition:color .25s ease}
ul{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.main-wrap{padding-top:64px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--radius-sm);border:2px solid transparent;
  font-weight:600;font-size:15px;line-height:1;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
  text-align:center;white-space:nowrap;
}
.btn-primary{background:var(--gradient-primary);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-amber{background:var(--gradient-amber);color:#fff;border:none}
.btn-amber:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:rgba(14,118,109,.08);transform:translateY(-2px)}
.btn-sm{padding:8px 18px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn:active{transform:translateY(0)}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(247,245,242,.95);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border-strong);
  height:64px;
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header .header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;gap:20px;
}
.brand-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--deep);
  letter-spacing:.01em;flex-shrink:0;
}
.brand-logo .logo-icon{
  width:38px;height:38px;border-radius:12px;
  background:var(--gradient-primary);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;
  box-shadow:0 4px 10px rgba(14,118,109,.25);
}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  padding:10px 16px;font-size:15px;font-weight:500;color:var(--text-secondary);
  border-radius:var(--radius-sm);position:relative;transition:color .25s ease;
}
.main-nav a:hover{color:var(--primary)}
.main-nav a.active{color:var(--primary);font-weight:600}
.main-nav a.active::after{
  content:'';position:absolute;left:16px;right:16px;bottom:4px;
  height:4px;border-radius:999px;background:var(--gradient-primary);
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--border-strong);
  background:#fff;color:var(--deep);font-size:18px;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}
.nav-toggle:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* 移动端抽屉 */
.mobile-drawer{
  display:none;position:fixed;top:64px;left:0;right:0;bottom:0;z-index:999;
  background:var(--bg);padding:20px 24px 32px;overflow-y:auto;
  border-top:1px solid var(--border-strong);
}
.mobile-drawer.open{display:block}
.mobile-drawer nav{display:flex;flex-direction:column}
.mobile-drawer nav a{
  display:flex;align-items:center;height:52px;border-bottom:1px solid var(--border);
  font-size:16px;font-weight:500;color:var(--text);
}
.mobile-drawer nav a.active{color:var(--primary);font-weight:700}
.mobile-drawer .btn{margin-top:20px}

/* 文章 Hero */
.article-hero{
  position:relative;
  background:linear-gradient(135deg,rgba(247,245,242,.96),rgba(255,255,255,.9)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border-bottom:1px solid var(--border-strong);
  padding:72px 0 52px;
}
.article-hero .breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-secondary);margin-bottom:18px;
}
.article-hero .breadcrumb .sep{color:#B8B2A8}
.article-hero .breadcrumb .crumb-cat{color:var(--primary);font-weight:600}
.article-hero .breadcrumb .crumb-title{color:var(--text);font-weight:600}
.article-hero h1{
  font-size:36px;line-height:1.25;font-weight:800;
  max-width:860px;color:var(--deep);letter-spacing:.01em;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:20px;margin-top:20px;
  color:var(--text-secondary);font-size:14px;
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--primary);font-size:14px}

/* 正文区 */
.article-main{padding:56px 0 16px}
.article-content-wrap{
  max-width:800px;margin:0 auto;
}
.article-content{
  background:var(--card-bg);border-radius:var(--radius-lg);
  padding:44px 48px;box-shadow:var(--shadow-sm);
  border:1px solid var(--border);
}
.article-content p{
  font-size:16px;line-height:1.85;color:var(--text);margin-bottom:1.4em;
}
.article-content h2{
  font-size:26px;font-weight:700;color:var(--deep);
  margin:1.8em 0 .7em;line-height:1.3;
}
.article-content h3{
  font-size:20px;font-weight:600;color:var(--deep);
  margin:1.5em 0 .6em;line-height:1.4;
}
.article-content ul,.article-content ol{
  margin:0 0 1.4em 1.4em;padding:0;
}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin-bottom:.55em}
.article-content blockquote{
  background:var(--bg);border-left:4px solid var(--primary);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  padding:18px 24px;margin:1.6em 0;color:var(--text-secondary);
  font-size:15px;
}
.article-content img{border-radius:var(--radius-md);margin:1.2em 0}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--amber)}
.article-empty{
  background:var(--card-bg);border-radius:var(--radius-lg);padding:60px 40px;
  text-align:center;box-shadow:var(--shadow-sm);border:1px solid var(--border);
}
.article-empty p{font-size:18px;color:var(--text-secondary);margin-bottom:20px}

/* 标签区 */
.article-tags{
  max-width:800px;margin:0 auto;padding-top:36px;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 18px;border-radius:var(--radius-pill);
  background:var(--bg);border:1px solid var(--border-strong);
  font-size:13px;color:var(--text-secondary);transition:all .25s ease;
}
.tag:hover{color:var(--primary);border-color:var(--primary);background:rgba(14,118,109,.05)}
.tag i{font-size:12px;color:var(--primary)}
.back-link{
  margin-left:auto;font-size:14px;font-weight:600;color:var(--primary);
  display:inline-flex;align-items:center;gap:6px;
}
.back-link:hover{color:var(--amber);gap:10px}
.back-link i{font-size:12px}

/* 相关推荐 */
.related-section{padding:72px 0 24px}
.related-section .section-head{
  max-width:800px;margin:0 auto 36px;
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
}
.related-section .section-head h2{
  font-size:28px;font-weight:700;color:var(--deep);line-height:1.3;
}
.related-section .section-head p{
  color:var(--text-secondary);font-size:14px;
}
.related-card{
  display:flex;gap:18px;background:var(--card-bg);
  border:1px solid var(--border);border-radius:var(--radius-md);
  padding:16px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  height:100%;
}
.related-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary);
}
.related-card .thumb{
  width:136px;height:96px;border-radius:10px;object-fit:cover;flex-shrink:0;
  background:var(--bg);
}
.related-card .card-body{
  display:flex;flex-direction:column;justify-content:center;gap:6px;
  min-width:0;
}
.related-card .card-body h3{
  font-size:17px;font-weight:600;color:var(--text);line-height:1.4;
}
.related-card .card-body p{
  font-size:13px;color:var(--text-secondary);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-card .card-link{
  font-size:13px;font-weight:600;color:var(--primary);
}
.related-card .card-link:hover{color:var(--amber)}

/* CTA 区 */
.article-cta{
  padding:72px 0 80px;
}
.cta-panel{
  position:relative;overflow:hidden;
  background:var(--deep);border-radius:24px;
  padding:64px 48px;text-align:center;
}
.cta-panel::before{
  content:'';position:absolute;top:-80px;right:-60px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,158,11,.22),transparent 70%);
  pointer-events:none;
}
.cta-panel::after{
  content:'';position:absolute;bottom:-90px;left:-40px;
  width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(24,169,153,.2),transparent 70%);
  pointer-events:none;
}
.cta-panel h2{
  font-size:30px;font-weight:800;color:#fff;line-height:1.3;position:relative;z-index:1;
}
.cta-panel p{
  color:rgba(255,255,255,.75);font-size:16px;margin:16px auto 32px;
  max-width:520px;position:relative;z-index:1;
}
.cta-panel .cta-btns{
  display:flex;justify-content:center;gap:16px;flex-wrap:wrap;position:relative;z-index:1;
}
.cta-panel .sub-link{
  display:block;margin-top:18px;color:rgba(255,255,255,.6);
  font-size:14px;position:relative;z-index:1;
}
.cta-panel .sub-link:hover{color:#fff}

/* 页脚 */
.site-footer{
  background:var(--deep);color:rgba(255,255,255,.75);
  padding-top:64px;
}
.footer-grid{
  display:grid;grid-template-columns:1.2fr 0.8fr 0.9fr 1.2fr;
  gap:44px;padding-bottom:44px;
}
.footer-col h4{
  color:#fff;font-size:17px;font-weight:600;margin-bottom:18px;position:relative;
  padding-bottom:10px;
}
.footer-col h4::after{
  content:'';position:absolute;left:0;bottom:0;width:28px;height:3px;
  background:var(--gradient-amber);border-radius:999px;
}
.footer-logo{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-size:18px;font-weight:800;margin-bottom:16px;
}
.footer-logo .logo-icon{
  width:36px;height:36px;border-radius:10px;
  background:var(--gradient-primary);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;
}
.footer-brand-txt{font-size:14px;line-height:1.7;color:rgba(255,255,255,.6);margin-bottom:20px}
.social-links{display:flex;gap:10px}
.social-links a{
  width:38px;height:38px;border-radius:10px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);
  display:inline-flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.7);font-size:15px;transition:all .25s ease;
}
.social-links a:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  font-size:14px;color:rgba(255,255,255,.65);display:inline-flex;align-items:center;gap:6px;
}
.footer-col ul a i{font-size:11px;color:var(--amber-light)}
.footer-col ul a:hover{color:#fff;transform:translateX(3px)}
.footer-form{display:flex;flex-direction:column;gap:12px}
.footer-form input,.footer-form textarea{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:8px;padding:11px 14px;color:#fff;font-size:14px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.footer-form input::placeholder,.footer-form textarea::placeholder{color:rgba(255,255,255,.4)}
.footer-form input:focus,.footer-form textarea:focus{
  outline:none;border-color:var(--primary-light);
  box-shadow:0 0 0 3px rgba(24,169,153,.15);
}
.footer-form textarea{min-height:68px;resize:vertical}
.footer-form .form-tip{font-size:13px;color:var(--amber-light);min-height:18px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  font-size:13px;color:rgba(255,255,255,.4);
}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* 响应式 */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .container{max-width:100%}
}
@media (max-width:768px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn{display:none}
  .article-hero{padding:56px 0 40px}
  .article-hero h1{font-size:29px}
  .article-content{padding:28px 22px}
  .article-content p{font-size:15px}
  .related-card .thumb{width:100px;height:76px}
  .related-section .section-head{flex-direction:column;align-items:flex-start;gap:4px}
  .cta-panel{padding:48px 24px}
  .cta-panel h2{font-size:26px}
  .tag{font-size:12px;padding:6px 14px}
  .back-link{margin-left:0;margin-top:4px}
  .article-tags{align-items:flex-start}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .article-hero h1{font-size:25px}
  .article-meta{gap:12px;font-size:13px}
  .related-card{flex-direction:row}
  .related-card .thumb{width:88px;height:72px}
  .related-card .card-body h3{font-size:15px}
  .related-card .card-body p{font-size:12px;-webkit-line-clamp:2}
  .cta-btns .btn{width:100%}
  .container{padding:0 20px}
}
@media (max-width:480px){
  .article-hero h1{font-size:22px}
  .article-content{padding:22px 16px}
  .article-hero .breadcrumb{font-size:12px}
  .related-card{flex-direction:column}
  .related-card .thumb{width:100%;height:120px}
  .cta-panel{padding:40px 18px;border-radius:18px}
  .cta-panel h2{font-size:23px}
  .footer-logo{font-size:16px}
}

/* roulang page: category1 */
/* ============================================
   设计变量
============================================ */
:root {
  --primary: #0E766D;
  --primary-light: #18A999;
  --accent: #D97706;
  --accent-light: #F59E0B;
  --dark: #0B2E29;
  --bg: #F7F5F2;
  --card-bg: #FFFFFF;
  --text: #1F2937;
  --text-secondary: #6B7280;
  --border: #EDEAE5;
  --divider: #E5E2DD;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-sm: 0 4px 12px rgba(11,46,41,0.06);
  --shadow-md: 0 12px 28px rgba(11,46,41,0.12);
  --gradient-g1: linear-gradient(135deg, #0E766D 0%, #18A999 100%);
  --gradient-g2: linear-gradient(135deg, #D97706 0%, #F59E0B 100%);
  --font-family: 'PingFang SC','Microsoft YaHei','Noto Sans SC','Helvetica Neue',Arial,sans-serif;
}

/* ============================================
   基础 Reset / Base
============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.25s ease;
}

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  border: none;
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ============================================
   容器
============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  width: 100%;
}

.section {
  padding: 72px 0;
}

.section-alt {
  background: #FFFFFF;
}

/* ============================================
   导航
============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
  height: 60px;
}

.site-header.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(229,226,221,0.8);
  border-bottom: 1px solid var(--divider);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gradient-g1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 17px;
  box-shadow: 0 4px 12px rgba(14,118,109,0.28);
}

.logo-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

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

.main-nav a {
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  border-radius: 8px;
  position: relative;
  transition: color 0.25s ease, background 0.25s ease;
}

.main-nav a:hover {
  color: var(--primary);
  background: rgba(14,118,109,0.06);
}

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

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 14px;
  right: 14px;
  height: 4px;
  border-radius: 999px;
  background: var(--gradient-g1);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-g1);
  color: #fff;
  box-shadow: 0 4px 14px rgba(14,118,109,0.25);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(14,118,109,0.32);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(14,118,109,0.2);
}

.btn-amber {
  background: var(--gradient-g2);
  color: #fff;
  box-shadow: 0 4px 14px rgba(217,119,6,0.25);
}

.btn-amber:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(217,119,6,0.32);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.7);
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  padding: 8px;
  cursor: pointer;
  border-radius: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: var(--dark);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

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

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

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

/* 移动端抽屉 */
.mobile-menu {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  background: var(--bg);
  padding: 16px 24px 32px;
  box-shadow: 0 12px 28px rgba(11,46,41,0.12);
  z-index: 999;
  flex-direction: column;
  gap: 4px;
  max-height: calc(100vh - 60px);
  overflow-y: auto;
}

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

.mobile-menu a {
  display: block;
  padding: 14px 16px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  border-radius: 10px;
  line-height: 1.4;
}

.mobile-menu a:hover {
  background: rgba(14,118,109,0.06);
  color: var(--primary);
}

.mobile-menu a.active {
  color: var(--primary);
  font-weight: 600;
  background: rgba(14,118,109,0.06);
}

.mobile-menu .btn {
  margin-top: 16px;
  width: 100%;
}

/* ============================================
   Hero 区（矮 Hero）
============================================ */
.page-hero {
  padding-top: 120px;
  padding-bottom: 56px;
  background: linear-gradient(180deg, #EDF7F5 0%, #F7F5F2 100%);
  position: relative;
  overflow: hidden;
}

.page-hero .hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(14,118,109,0.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.hero-left h1 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--dark);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero-left .hero-subtitle {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 28px;
  max-width: 480px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.hero-tags .tag {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-sm);
}

.hero-tags .tag i {
  color: var(--primary);
  font-size: 11px;
}

.hero-right {
  flex: 0 0 420px;
  position: relative;
}

.hero-right .hero-img {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

.hero-float-badge {
  position: absolute;
  top: -18px;
  right: -12px;
  background: #fff;
  border-radius: 16px;
  padding: 14px 20px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  text-align: center;
  min-width: 100px;
}

.hero-float-badge .number {
  font-size: 30px;
  font-weight: 800;
  background: var(--gradient-g2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
  display: block;
}

.hero-float-badge .label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.hero-float-card {
  position: absolute;
  bottom: -16px;
  left: -8px;
  background: #fff;
  border-radius: 14px;
  padding: 12px 18px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.hero-float-card i {
  color: var(--primary);
  font-size: 18px;
}

/* ============================================
   内容导览 + 图文详情
============================================ */
.guide-section {
  padding: 72px 0;
  background: var(--bg);
}

.guide-layout {
  display: flex;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.guide-sidebar {
  flex: 0 0 260px;
  position: sticky;
  top: 90px;
  align-self: flex-start;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.guide-sidebar h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--divider);
  display: flex;
  align-items: center;
  gap: 8px;
}

.guide-sidebar h3 i {
  color: var(--primary);
}

.guide-sidebar ul li + li {
  margin-top: 4px;
}

.guide-sidebar ul a {
  display: block;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.25s ease;
  font-weight: 500;
}

.guide-sidebar ul a:hover {
  background: rgba(14,118,109,0.06);
  color: var(--primary);
}

.guide-sidebar ul a.active {
  background: rgba(14,118,109,0.1);
  color: var(--primary);
  font-weight: 600;
}

.guide-content {
  flex: 1;
  min-width: 0;
}

.guide-block {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s ease;
}

.guide-block:hover {
  box-shadow: var(--shadow-md);
}

.guide-block:last-child {
  margin-bottom: 0;
}

.guide-block-top {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.guide-block-text {
  flex: 1;
}

.guide-block-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gradient-g1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(14,118,109,0.2);
}

.guide-block h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
  line-height: 1.4;
}

.guide-block p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.guide-block-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.guide-block-list .mini-tag {
  background: #F0F7F6;
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
}

.guide-block-img {
  margin-top: 20px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
}

.guide-block-img img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.guide-block:hover .guide-block-img img {
  transform: scale(1.02);
}

/* ============================================
   数据成果
============================================ */
.stats-section {
  padding: 72px 0;
  background: linear-gradient(135deg, #0B2E29 0%, #123D35 100%);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(245,158,11,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

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

.stats-section .section-head h2 {
  color: #fff;
}

.stats-section .section-head p {
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  max-width: 560px;
  margin: 12px auto 0;
}

.stats-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 0 24px;
}

.stat-item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-4px);
  border-color: rgba(245,158,11,0.4);
  box-shadow: 0 12px 28px rgba(0,0,0,0.2);
}

.stat-number {
  font-size: 40px;
  font-weight: 800;
  background: var(--gradient-g2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
  font-family: 'DIN Alternate', 'Helvetica Neue', Arial, sans-serif;
}

.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  margin-top: 8px;
  font-weight: 500;
}

/* ============================================
   适用场景
============================================ */
.scene-section {
  padding: 72px 0;
  background: #fff;
}

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

.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 12px;
}

.section-head p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

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

.scene-row {
  display: flex;
  gap: 24px;
  margin-bottom: 24px;
}

.scene-card-lg {
  flex: 0 0 calc(60% - 12px);
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 340px;
  box-shadow: var(--shadow-sm);
}

.scene-card-lg .scene-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}

.scene-card-lg:hover .scene-bg {
  transform: scale(1.03);
}

.scene-card-lg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(11,46,41,0.85) 0%, rgba(11,46,41,0.15) 60%, rgba(11,46,41,0.1) 100%);
}

.scene-card-lg .scene-content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 32px;
  z-index: 2;
  color: #fff;
}

.scene-card-lg .scene-content h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.scene-card-lg .scene-content p {
  font-size: 14px;
  line-height: 1.6;
  max-width: 360px;
  color: rgba(255,255,255,0.85);
}

.scene-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.scene-card-sm {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  gap: 16px;
  padding: 16px;
  align-items: center;
  transition: all 0.3s ease;
}

.scene-card-sm:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  background: #fff;
}

.scene-card-sm .scene-thumb {
  flex: 0 0 90px;
  height: 70px;
  border-radius: 10px;
  overflow: hidden;
}

.scene-card-sm .scene-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scene-card-sm .scene-text h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 4px;
}

.scene-card-sm .scene-text p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.scene-bar {
  background: linear-gradient(135deg, rgba(14,118,109,0.08) 0%, rgba(24,169,153,0.08) 100%);
  border: 1px solid rgba(14,118,109,0.2);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.scene-bar h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.scene-bar p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}

.scene-bar .btn {
  flex-shrink: 0;
}

/* ============================================
   FAQ
============================================ */
.faq-section {
  padding: 72px 0;
  background: var(--bg);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.faq-section .section-head {
  text-align: center;
  margin-bottom: 40px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(14,118,109,0.08);
}

.faq-toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: color 0.3s ease;
}

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

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(14,118,109,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, background 0.3s ease;
}

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

.faq-icon i {
  font-size: 14px;
}

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

.faq-content-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  background: var(--bg);
  border-top: 1px solid var(--divider);
  padding-top: 16px;
}

/* ============================================
   CTA
============================================ */
.cta-section {
  padding: 72px 0;
  background: var(--bg);
}

.cta-box {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--dark);
  border-radius: 28px;
  padding: 64px 48px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -80px;
  left: 20%;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(245,158,11,0.25) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-box::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: 15%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(24,169,153,0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-box .cta-inner {
  position: relative;
  z-index: 2;
}

.cta-box h2 {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.cta-box .cta-sub {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin: 0 auto 32px;
}

.cta-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-btns .btn-amber {
  padding: 14px 36px;
  font-size: 16px;
}

.cta-btns .btn-outline {
  padding: 14px 36px;
  font-size: 16px;
  border-color: rgba(255,255,255,0.6);
}

/* ============================================
   页脚
============================================ */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding-top: 64px;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-logo .logo-icon {
  width: 32px;
  height: 32px;
  font-size: 14px;
  border-radius: 8px;
}

.footer-logo span:last-child {
  font-weight: 700;
  font-size: 17px;
  color: #fff;
}

.footer-brand-txt {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
  margin-bottom: 18px;
  max-width: 280px;
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: var(--gradient-g1);
  color: #fff;
  transform: translateY(-2px);
}

.site-footer h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.site-footer h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: var(--gradient-g2);
}

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

.site-footer ul a {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.site-footer ul a i {
  font-size: 10px;
  color: var(--accent-light);
}

.site-footer ul a:hover {
  color: #fff;
}

.footer-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-form input,
.footer-form textarea {
  width: 100%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  color: #fff;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.footer-form input::placeholder,
.footer-form textarea::placeholder {
  color: rgba(255,255,255,0.4);
}

.footer-form input:focus,
.footer-form textarea:focus {
  border-color: var(--primary-light);
  background: rgba(255,255,255,0.12);
  box-shadow: 0 0 0 3px rgba(24,169,153,0.15);
}

.footer-form textarea {
  min-height: 70px;
  resize: vertical;
}

.footer-form .btn {
  padding: 10px 24px;
  font-size: 14px;
  width: auto;
  align-self: flex-start;
}

.form-tip {
  font-size: 13px;
  min-height: 18px;
}

.form-tip.success {
  color: #34D399;
}

.form-tip.error {
  color: #F87171;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

.footer-bottom .container {
  max-width: 1200px !important;
}

/* ============================================
   返回顶部
============================================ */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gradient-g1);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all 0.3s ease;
  z-index: 999;
  cursor: pointer;
}

.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(11,46,41,0.2);
}

/* ============================================
   响应式
============================================ */
@media screen and (max-width: 1024px) {
  .page-hero .hero-inner {
    flex-direction: column;
    gap: 40px;
  }

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

  .hero-right {
    flex: 0 0 auto;
    width: 100%;
  }

  .hero-right .hero-img img {
    height: 240px;
  }

  .guide-layout {
    flex-direction: column;
  }

  .guide-sidebar {
    position: static;
    flex: none;
    width: 100%;
    margin-bottom: 24px;
  }

  .guide-sidebar ul {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .guide-sidebar ul li {
    margin: 0;
  }

  .guide-sidebar ul a {
    padding: 8px 14px;
    font-size: 13px;
  }

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

  .scene-row {
    flex-direction: column;
  }

  .scene-card-lg {
    flex: none;
    min-height: 280px;
  }

  .scene-col {
    flex-direction: row;
  }

  .scene-card-sm {
    flex: 1;
  }

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

@media screen and (max-width: 768px) {
  .main-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .header-right .btn {
    display: none;
  }

  .page-hero {
    padding-top: 100px;
  }

  .hero-left h1 {
    font-size: 28px;
  }

  .hero-right .hero-img img {
    height: 200px;
  }

  .hero-float-badge {
    top: -12px;
    right: 4px;
    padding: 10px 14px;
    min-width: 80px;
  }

  .hero-float-badge .number {
    font-size: 22px;
  }

  .hero-float-card {
    bottom: -12px;
    left: 4px;
    padding: 10px 14px;
  }

  .section {
    padding: 48px 0;
  }

  .section-head h2 {
    font-size: 24px;
  }

  .guide-block {
    padding: 24px 18px;
  }

  .guide-block-top {
    flex-direction: column;
    gap: 14px;
  }

  .scene-col {
    flex-direction: column;
  }

  .scene-card-sm {
    flex: none;
  }

  .scene-bar {
    flex-direction: column;
    text-align: center;
    padding: 24px;
  }

  .cta-box {
    padding: 40px 24px;
    border-radius: 20px;
  }

  .cta-box h2 {
    font-size: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media screen and (max-width: 480px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stat-item {
    padding: 20px 12px;
  }

  .stat-number {
    font-size: 28px;
  }

  .stat-label {
    font-size: 13px;
  }

  .guide-sidebar ul {
    flex-direction: column;
  }

  .hero-tags .tag {
    font-size: 12px;
  }

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

  .social-links a {
    width: 32px;
    height: 32px;
  }
}

/* roulang page: category2 */
:root {
  --primary: #0E766D;
  --primary-light: #18A999;
  --primary-grad: linear-gradient(135deg, #0E766D 0%, #18A999 100%);
  --accent: #D97706;
  --accent-light: #F59E0B;
  --accent-grad: linear-gradient(135deg, #D97706 0%, #F59E0B 100%);
  --dark: #0B2E29;
  --bg: #F7F5F2;
  --card-bg: #FFFFFF;
  --text: #1F2937;
  --text-muted: #6B7280;
  --border: #EDEAE5;
  --divider: #E5E2DD;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 12px rgba(11,46,41,0.06);
  --shadow-hover: 0 12px 28px rgba(11,46,41,0.12);
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
  --transition: all 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); color: var(--text); background: var(--bg); line-height: 1.75; font-size: 15px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 68px 0; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-sm); font-weight: 600; font-size: 15px; line-height: 1.4; cursor: pointer; border: 2px solid transparent; transition: var(--transition); text-align: center; }
.btn-primary { background: var(--primary-grad); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); color: #fff; }
.btn-amber { background: var(--accent-grad); color: #fff; box-shadow: var(--shadow-sm); }
.btn-amber:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); color: #fff; }
.btn-outline { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: rgba(14, 118, 109, 0.06); color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.6); }
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.btn-sm { padding: 8px 20px; font-size: 14px; }
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; box-shadow: none; }

/* ===== Tags ===== */
.tag { display: inline-block; padding: 5px 14px; border-radius: 999px; font-size: 12px; font-weight: 600; letter-spacing: 0.05em; background: rgba(14,118,109,0.08); color: var(--primary); }
.tag-amber { background: rgba(217,119,6,0.10); color: var(--accent); }
.tag-line { display: inline-block; padding: 5px 14px; border-radius: 999px; font-size: 12px; font-weight: 500; border: 1px solid rgba(255,255,255,0.35); color: #fff; background: rgba(255,255,255,0.10); }

/* ===== Header / Nav ===== */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: transparent; transition: var(--transition); }
.site-header.scrolled { background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--divider); box-shadow: var(--shadow-sm); }
.site-header.scrolled .logo-text { color: var(--text); }
.site-header.scrolled .main-nav a { color: var(--text); }
.header-inner { display: flex; align-items: center; height: 60px; gap: 32px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--primary-grad); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 17px; box-shadow: var(--shadow-sm); }
.logo-text { font-weight: 800; font-size: 17px; color: #fff; letter-spacing: 0.02em; transition: var(--transition); white-space: nowrap; }
.site-header.scrolled .logo-text { color: var(--dark); }
.main-nav { display: flex; gap: 6px; flex: 1; }
.main-nav a { position: relative; padding: 8px 14px; color: rgba(255,255,255,0.85); font-size: 15px; font-weight: 500; border-radius: 8px; transition: var(--transition); }
.main-nav a:hover { color: #fff; background: rgba(255,255,255,0.12); }
.site-header.scrolled .main-nav a:hover { color: var(--primary); background: rgba(14,118,109,0.08); }
.main-nav a.active { color: #fff; font-weight: 600; }
.main-nav a.active::after { content: ''; position: absolute; left: 14px; right: 14px; bottom: 0; height: 4px; border-radius: 999px; background: var(--accent-grad); }
.site-header.scrolled .main-nav a.active { color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.nav-toggle { display: none; width: 40px; height: 40px; border: none; background: transparent; cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border-radius: 8px; transition: var(--transition); }
.nav-toggle span { display: block; width: 20px; height: 2px; background: #fff; border-radius: 2px; transition: var(--transition); }
.site-header.scrolled .nav-toggle span { background: var(--dark); }
.nav-toggle:hover { background: rgba(255,255,255,0.12); }
.site-header.scrolled .nav-toggle:hover { background: rgba(14,118,109,0.08); }

/* ===== Page Hero ===== */
.page-hero { position: relative; padding: 140px 0 72px; background: var(--primary-grad); overflow: hidden; min-height: 340px; }
.page-hero::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat; opacity: 0.18; }
.page-hero::after { content: ''; position: absolute; top: -80px; right: -80px; width: 320px; height: 320px; border-radius: 50%; background: rgba(255,255,255,0.08); }
.page-hero .container { position: relative; z-index: 2; display: flex; align-items: center; gap: 48px; }
.hero-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,0.7); margin-bottom: 14px; }
.hero-breadcrumb a { color: rgba(255,255,255,0.85); }
.hero-breadcrumb a:hover { color: #fff; }
.hero-breadcrumb span { color: #fff; font-weight: 600; }
.page-hero h1 { font-size: 38px; font-weight: 800; line-height: 1.25; color: #fff; margin-bottom: 12px; }
.page-hero .hero-sub { font-size: 16px; color: rgba(255,255,255,0.85); max-width: 480px; margin-bottom: 28px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 24px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.hero-visual { flex-shrink: 0; width: 320px; position: relative; }
.hero-visual .hero-img-wrap { border-radius: 24px; overflow: hidden; box-shadow: 0 20px 44px rgba(0,0,0,0.22); border: 2px solid rgba(255,255,255,0.2); }
.hero-visual img { width: 100%; height: 200px; object-fit: cover; }
.hero-badge { position: absolute; top: -18px; right: -14px; background: #fff; border-radius: 16px; padding: 14px 18px; box-shadow: var(--shadow-hover); text-align: center; border: 1px solid var(--border); }
.hero-badge .num { font-size: 32px; font-weight: 800; background: var(--accent-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; line-height: 1.1; display: block; font-family: 'DIN Alternate', 'PingFang SC', sans-serif; }
.hero-badge .label { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.hero-mini-card { position: absolute; bottom: -20px; left: -20px; background: #fff; border-radius: 14px; padding: 12px 16px; display: flex; align-items: center; gap: 10px; box-shadow: var(--shadow-hover); border: 1px solid var(--border); }
.hero-mini-card i { color: var(--primary); font-size: 18px; }
.hero-mini-card span { font-size: 13px; font-weight: 600; color: var(--text); }

/* ===== Detail Layout ===== */
.detail-wrap { padding: 68px 0 80px; }
.detail-layout { display: flex; gap: 48px; align-items: flex-start; }
.detail-sidebar { width: 270px; flex-shrink: 0; position: sticky; top: 90px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px 24px; box-shadow: var(--shadow-sm); }
.detail-sidebar-title { font-size: 14px; font-weight: 700; color: var(--dark); margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--divider); display: flex; align-items: center; gap: 8px; }
.detail-sidebar-title i { color: var(--primary); }
.anchor-list { display: flex; flex-direction: column; gap: 2px; }
.anchor-list a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; font-size: 14px; font-weight: 500; color: var(--text-muted); transition: var(--transition); }
.anchor-list a i { font-size: 12px; color: var(--primary-light); width: 16px; text-align: center; }
.anchor-list a:hover { background: rgba(14,118,109,0.06); color: var(--primary); }
.anchor-list a.active { background: rgba(14,118,109,0.08); color: var(--primary); font-weight: 600; }
.anchor-side-note { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--divider); background: var(--bg); border-radius: var(--radius-md); padding: 16px; }
.anchor-side-note p { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 12px; }
.anchor-side-note .btn { width: 100%; }
.detail-content { flex: 1; min-width: 0; }
.detail-section { margin-bottom: 48px; }
.detail-section:last-child { margin-bottom: 0; }
.detail-section h2 { font-size: 27px; font-weight: 700; color: var(--dark); margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.detail-section h2 i { color: var(--primary); font-size: 22px; }
.detail-section .sec-desc { color: var(--text-muted); font-size: 15px; margin-bottom: 28px; max-width: 600px; }
.sec-head-line { width: 48px; height: 4px; border-radius: 99px; background: var(--accent-grad); margin-bottom: 22px; }

/* ===== Overview ===== */
.overview-grid { display: flex; gap: 32px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-sm); }
.overview-img { width: 44%; flex-shrink: 0; border-radius: 16px; overflow: hidden; }
.overview-img img { width: 100%; height: 100%; min-height: 240px; object-fit: cover; }
.overview-text { flex: 1; }
.overview-text p { color: var(--text); margin-bottom: 18px; font-size: 15px; }
.overview-list { display: flex; flex-direction: column; gap: 12px; }
.overview-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text); }
.overview-list li i { color: var(--primary); margin-top: 4px; font-size: 14px; }
.overview-list li strong { font-weight: 600; }

/* ===== Capability ===== */
.capability-list { display: flex; flex-direction: column; gap: 20px; }
.capability-item { display: flex; gap: 22px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-sm); transition: var(--transition); }
.capability-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: rgba(14,118,109,0.35); }
.capability-thumb { width: 110px; height: 110px; flex-shrink: 0; border-radius: 14px; overflow: hidden; }
.capability-thumb img { width: 100%; height: 100%; object-fit: cover; }
.capability-info { flex: 1; }
.capability-info h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--dark); display: flex; align-items: center; gap: 8px; }
.capability-info h3 i { color: var(--primary); font-size: 16px; }
.capability-info p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 10px; }
.capability-info .tag { margin-top: 4px; }

/* ===== Scenario ===== */
.scenario-wrap { display: flex; flex-direction: column; gap: 28px; }
.scenario-item { display: flex; gap: 30px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); }
.scenario-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.scenario-item:nth-child(even) { flex-direction: row-reverse; }
.scenario-img { flex: 1.1; min-height: 220px; overflow: hidden; }
.scenario-img img { width: 100%; height: 100%; object-fit: cover; }
.scenario-body { flex: 1; padding: 30px 28px; display: flex; flex-direction: column; justify-content: center; }
.scenario-body h3 { font-size: 19px; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.scenario-body p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.scenario-body .scen-tags { display: flex; flex-wrap: wrap; gap: 8px; }

/* ===== Process ===== */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.process-step { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px 22px 24px; text-align: center; box-shadow: var(--shadow-sm); position: relative; transition: var(--transition); }
.process-step:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.process-step .step-num { width: 40px; height: 40px; border-radius: 12px; background: var(--primary-grad); color: #fff; font-weight: 700; font-size: 15px; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; box-shadow: var(--shadow-sm); }
.process-step:nth-child(2) .step-num { background: var(--accent-grad); }
.process-step:nth-child(3) .step-num { background: var(--primary-grad); }
.process-step:nth-child(4) .step-num { background: var(--accent-grad); }
.process-step h3 { font-size: 16px; font-weight: 600; color: var(--dark); margin-bottom: 8px; }
.process-step p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.process-line { position: absolute; top: 20px; left: 25%; right: 25%; height: 2px; background: var(--divider); z-index: 0; }
.process-step { z-index: 1; }

/* ===== FAQ ===== */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; overflow: hidden; transition: var(--transition); }
.faq-item.active { border-color: var(--primary); background: #FBFCFB; box-shadow: var(--shadow-sm); }
.faq-question { width: 100%; display: flex; align-items: center; gap: 12px; padding: 18px 20px; background: none; border: none; cursor: pointer; font-size: 15px; font-weight: 600; color: var(--text); text-align: left; transition: var(--transition); }
.faq-question:hover { color: var(--primary); }
.faq-question .faq-icon { margin-left: auto; width: 26px; height: 26px; border-radius: 8px; background: rgba(14,118,109,0.08); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 13px; transition: var(--transition); flex-shrink: 0; }
.faq-item.active .faq-icon { background: var(--primary-grad); color: #fff; transform: rotate(45deg); }
.faq-answer { max-height: 0; padding: 0 20px; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; }
.faq-item.active .faq-answer { max-height: 400px; padding: 0 20px 18px; }
.faq-answer p { font-size: 14px; color: var(--text-muted); line-height: 1.75; }

/* ===== CTA ===== */
.cta-section { padding: 72px 0 88px; }
.cta-box { position: relative; background: var(--dark); border-radius: 28px; padding: 64px 48px; text-align: center; overflow: hidden; }
.cta-box::before { content: ''; position: absolute; top: -60px; left: -40px; width: 220px; height: 220px; border-radius: 50%; background: rgba(217,119,6,0.25); filter: blur(60px); }
.cta-box::after { content: ''; position: absolute; bottom: -80px; right: -60px; width: 280px; height: 280px; border-radius: 50%; background: rgba(24,169,153,0.22); filter: blur(60px); }
.cta-box .container { position: relative; z-index: 2; }
.cta-box h2 { font-size: 30px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.cta-box p { font-size: 15px; color: rgba(255,255,255,0.75); max-width: 520px; margin: 0 auto 30px; }
.cta-box .btn { font-size: 16px; padding: 14px 36px; }
.cta-box .cta-sub-link { display: inline-block; margin-top: 16px; color: rgba(255,255,255,0.55); font-size: 13px; }
.cta-box .cta-sub-link:hover { color: #fff; }

/* ===== Footer ===== */
.site-footer { background: var(--dark); color: rgba(255,255,255,0.7); padding-top: 56px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 0.8fr 1fr 1.1fr; gap: 40px; padding-bottom: 44px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo .logo-icon { width: 34px; height: 34px; }
.footer-logo span { font-weight: 800; font-size: 17px; color: #fff; }
.footer-brand-txt { font-size: 13px; line-height: 1.7; color: rgba(255,255,255,0.55); margin-bottom: 20px; max-width: 280px; }
.social-links { display: flex; gap: 10px; }
.social-links a { width: 36px; height: 36px; border-radius: 10px; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.7); font-size: 15px; transition: var(--transition); }
.social-links a:hover { background: var(--primary-grad); color: #fff; transform: translateY(-2px); }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; position: relative; padding-bottom: 12px; }
.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 28px; height: 3px; border-radius: 99px; background: var(--accent-grad); }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.6); font-size: 14px; display: flex; align-items: center; gap: 8px; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent-light); padding-left: 4px; }
.footer-col ul li a i { font-size: 11px; color: var(--accent-light); }
.footer-form { display: flex; flex-direction: column; gap: 10px; }
.footer-form input, .footer-form textarea { width: 100%; padding: 10px 14px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.18); background: rgba(255,255,255,0.07); color: #fff; font-size: 14px; transition: var(--transition); }
.footer-form input::placeholder, .footer-form textarea::placeholder { color: rgba(255,255,255,0.4); }
.footer-form input:focus, .footer-form textarea:focus { outline: none; border-color: var(--primary-light); background: rgba(255,255,255,0.10); box-shadow: 0 0 0 3px rgba(24,169,153,0.15); }
.footer-form textarea { resize: vertical; min-height: 70px; }
.footer-form .btn { align-self: flex-start; }
.form-tip { font-size: 12px; color: var(--accent-light); min-height: 18px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--accent-light); }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #C9C4BC; border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-light); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .page-hero { padding: 120px 0 56px; }
  .page-hero .container { flex-direction: column; text-align: center; }
  .hero-breadcrumb { justify-content: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-buttons, .hero-tags { justify-content: center; }
  .hero-visual { width: 100%; max-width: 420px; margin: 20px auto 0; }
  .detail-layout { flex-direction: column; gap: 32px; }
  .detail-sidebar { width: 100%; position: static; top: auto; }
  .anchor-list { flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .anchor-list a { padding: 8px 14px; }
  .anchor-side-note { display: none; }
  .overview-grid { flex-direction: column; }
  .overview-img { width: 100%; min-height: auto; }
  .overview-img img { min-height: 180px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-line { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .scenario-item, .scenario-item:nth-child(even) { flex-direction: column; }
  .scenario-img { min-height: 180px; }
}
@media (max-width: 768px) {
  .main-nav { position: fixed; top: 60px; left: 0; right: 0; background: var(--bg); flex-direction: column; padding: 16px 24px; gap: 4px; box-shadow: var(--shadow-hover); border-bottom: 1px solid var(--divider); display: none; }
  .main-nav.open { display: flex; }
  .main-nav a { color: var(--text); padding: 14px 16px; border-radius: 10px; }
  .main-nav a:hover { background: rgba(14,118,109,0.08); color: var(--primary); }
  .main-nav a.active { color: var(--primary); background: rgba(14,118,109,0.08); }
  .main-nav a.active::after { display: none; }
  .nav-toggle { display: flex; }
  .header-actions .btn { display: none; }
  .page-hero h1 { font-size: 30px; }
  .detail-section h2 { font-size: 23px; }
  .capability-item { flex-direction: column; }
  .capability-thumb { width: 100%; height: 160px; }
  .capability-thumb img { object-position: center; }
  .process-steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand-txt { max-width: 100%; }
  .footer-form .btn { width: 100%; }
  .hero-visual .hero-img-wrap img { height: 170px; }
  .hero-badge { right: -6px; padding: 10px 14px; }
  .hero-mini-card { left: -10px; bottom: -16px; padding: 10px 14px; }
  .hero-badge .num { font-size: 26px; }
  .cta-box { padding: 48px 24px; }
  .cta-box h2 { font-size: 24px; }
  .detail-wrap { padding: 48px 0 56px; }
  .section-pad { padding: 48px 0; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .page-hero { padding: 110px 0 44px; }
  .page-hero h1 { font-size: 26px; }
  .hero-sub { font-size: 14px; }
  .hero-tags .tag-line { font-size: 11px; padding: 4px 10px; }
  .detail-section h2 { font-size: 20px; }
  .overview-grid { padding: 20px; }
  .capability-item { padding: 18px; }
  .scenario-body { padding: 22px 18px; }
  .footer-grid { padding-bottom: 32px; }
  .hero-visual { max-width: 100%; }
  .hero-badge { top: -14px; right: -4px; }
  .hero-mini-card { left: -4px; }
  .process-step { padding: 20px 16px; }
  .scenario-img { min-height: 140px; }
  .overview-img img { min-height: 140px; }
}