/* roulang page: index */
:root{
  --primary:#00C389;
  --primary-dark:#00A874;
  --primary-light:#E6F9F2;
  --accent:#D6FF3F;
  --dark:#0C1A17;
  --dark-2:#142821;
  --light-bg:#F5F7F3;
  --white:#FFFFFF;
  --text-main:#1A2420;
  --text-sub:#5B6B63;
  --border:#E5EDE8;
  --orange:#FF6B35;
  --shadow-sm:0 8px 30px rgba(12,26,23,.06);
  --shadow-md:0 16px 40px rgba(0,195,137,.15);
  --radius:8px;
  --radius-lg:16px;
  --radius-xl:32px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--light-bg);
  color:var(--text-main);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  padding-bottom:64px
}
a{text-decoration:none;color:inherit;transition:color .25s ease}
a:hover{color:var(--primary)}
img{max-width:100%;height:auto;display:block}
button{font-family:var(--font)}
input,textarea,button{font-family:var(--font)}
.container{max-width:1280px;padding-left:24px;padding-right:24px}
.section-padding{padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:40px;gap:20px;flex-wrap:wrap}
.section-eye{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--primary);margin-bottom:8px}
.section-eye::before{content:'';width:28px;height:2px;background:var(--primary);display:inline-block}
.section-title{font-size:34px;font-weight:800;line-height:1.3;color:var(--text-main)}
.section-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--primary);border-bottom:1px solid transparent;transition:all .3s}
.section-more:hover{border-bottom-color:var(--primary);color:var(--primary-dark)}
.section-more i{transition:transform .3s}
.section-more:hover i{transform:translateX(4px)}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1050;
  background:var(--dark);
  border-bottom:1px solid rgba(255,255,255,.06);
  box-shadow:0 4px 24px rgba(0,0,0,.15)
}
.header-top{background:var(--dark)}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px}
.brand-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-icon{
  width:36px;height:36px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),#00a06e);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;box-shadow:0 4px 12px rgba(0,195,137,.35)
}
.brand-text{font-size:20px;font-weight:800;color:#fff;letter-spacing:.5px;line-height:1.2}
.brand-text-sub{display:block;font-size:11px;font-weight:500;color:rgba(255,255,255,.6);letter-spacing:2px}
.header-search{flex:1;max-width:420px;margin:0 auto}
.search-form{position:relative}
.search-form input{
  width:100%;height:40px;border-radius:var(--radius);
  border:1.5px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.08);
  color:#fff;padding:0 44px 0 16px;font-size:14px;
  transition:all .3s ease;outline:none
}
.search-form input::placeholder{color:rgba(255,255,255,.4)}
.search-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,195,137,.25);background:rgba(255,255,255,.12)}
.search-form button{
  position:absolute;right:4px;top:4px;width:32px;height:32px;
  border:none;border-radius:6px;background:transparent;color:rgba(255,255,255,.6);
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s
}
.search-form button:hover{color:var(--accent);background:rgba(255,255,255,.1)}
.header-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.tool-link{color:rgba(255,255,255,.7);font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:6px;transition:color .3s}
.tool-link:hover{color:var(--accent)}
.hamburger-btn{
  display:none;background:transparent;border:none;cursor:pointer;
  width:40px;height:40px;border-radius:8px;align-items:center;justify-content:center;flex-direction:column;gap:5px
}
.hamburger-btn span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:all .3s}
.hamburger-btn.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger-btn.active span:nth-child(2){opacity:0}
.hamburger-btn.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.header-nav{
  background:rgba(12,26,23,.96);
  border-top:1px solid rgba(255,255,255,.05)
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:52px;flex-wrap:nowrap}
.nav-list{display:flex;align-items:center;gap:4px;list-style:none;padding:0;margin:0}
.nav-list li a{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 18px;border-radius:8px;
  color:rgba(255,255,255,.75);font-size:15px;font-weight:500;
  transition:all .3s ease
}
.nav-list li a .nav-icon{font-size:14px}
.nav-list li a:hover{color:var(--accent);background:rgba(255,255,255,.06)}
.nav-list li a.active{color:var(--accent);background:rgba(214,255,63,.1)}
.nav-list li a.active::after{content:'';display:block;width:4px;height:4px;border-radius:50%;background:var(--accent);margin-left:2px}
.nav-tags{display:flex;align-items:center;gap:10px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.nav-tags::-webkit-scrollbar{display:none}
.nav-tag{font-size:13px;color:rgba(255,255,255,.5);white-space:nowrap;display:inline-flex;align-items:center;gap:4px;transition:color .3s;cursor:pointer}
.nav-tag:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.nav-tag i{font-size:11px}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(12,26,23,.95) 0%,rgba(12,26,23,.82) 55%,rgba(12,26,23,.7) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:110px 0 100px;color:#fff
}
.hero::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,transparent,transparent 19px,rgba(214,255,63,.015) 20px,transparent 21px)
}
.hero-container{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(214,255,63,.12);border:1px solid rgba(214,255,63,.25);
  color:var(--accent);font-size:13px;font-weight:600;
  padding:6px 16px;border-radius:100px;margin-bottom:24px;letter-spacing:.5px
}
.hero-badge i{font-size:12px}
.hero h1{
  font-size:48px;font-weight:800;line-height:1.22;
  margin-bottom:20px;max-width:760px;color:#fff;letter-spacing:.5px
}
.hero h1 .highlight{color:var(--accent);position:relative}
.hero-sub{
  font-size:17px;line-height:1.8;color:rgba(232,245,238,.85);
  max-width:660px;margin-bottom:36px;font-weight:400
}
.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:56px}
.btn-accent{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--accent);color:var(--dark);
  font-weight:700;font-size:16px;padding:14px 32px;border-radius:var(--radius);
  border:none;cursor:pointer;box-shadow:0 8px 24px rgba(214,255,63,.25);
  transition:all .3s ease
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(214,255,63,.35);color:var(--dark);background:#cdf03c}
.btn-outline{
  display:inline-flex;align-items:center;gap:10px;
  background:transparent;border:1.5px solid var(--primary);
  color:var(--primary);font-weight:600;font-size:16px;
  padding:12px 28px;border-radius:var(--radius);cursor:pointer;
  transition:all .3s ease
}
.btn-outline:hover{background:rgba(0,195,137,.1);color:var(--primary);transform:translateY(-2px)}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-lg);padding:28px 24px;backdrop-filter:blur(4px)
}
.stat-item{text-align:center;border-right:1px solid rgba(255,255,255,.08)}
.stat-item:last-child{border-right:none}
.stat-num{display:block;font-size:30px;font-weight:800;color:var(--accent);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-label{display:block;margin-top:6px;font-size:13px;color:rgba(232,245,238,.7);letter-spacing:.3px}

/* ===== Features ===== */
.features{background:var(--light-bg);position:relative}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.feature-card{
  position:relative;border-radius:var(--radius-lg);padding:40px 32px 36px;
  background:var(--dark);color:#fff;overflow:hidden;
  clip-path:polygon(0 0,calc(100% - 24px) 0,100% 24px,100% 100%,24px 100%,0 calc(100% - 24px));
  transition:all .4s ease;box-shadow:0 8px 30px rgba(12,26,23,.12)
}
.feature-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(0,0,0,.2)}
.feature-card.mid{
  background:var(--white);color:var(--text-main);border:1px solid var(--primary);
  transform:translateY(-16px);box-shadow:0 16px 40px rgba(0,195,137,.12)
}
.feature-card.mid:hover{transform:translateY(-22px);box-shadow:0 24px 50px rgba(0,195,137,.2)}
.feature-num{
  font-size:42px;font-weight:800;color:rgba(255,255,255,.12);
  line-height:1;margin-bottom:18px;letter-spacing:1px
}
.feature-card.mid .feature-num{color:rgba(0,195,137,.2)}
.feature-icon{
  width:48px;height:48px;border-radius:12px;
  background:rgba(0,195,137,.15);border:1px solid rgba(0,195,137,.3);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:20px;margin-bottom:20px
}
.feature-card.mid .feature-icon{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}
.feature-card h3{font-size:20px;font-weight:700;margin-bottom:12px;color:#fff}
.feature-card.mid h3{color:var(--text-main)}
.feature-card p{font-size:14.5px;color:rgba(232,245,238,.75);line-height:1.75;margin:0}
.feature-card.mid p{color:var(--text-sub)}
.feature-card .arrow-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:20px;
  color:var(--accent);font-size:13px;font-weight:600;opacity:0;transform:translateY(8px);
  transition:all .35s ease
}
.feature-card.mid .arrow-link{color:var(--primary)}
.feature-card:hover .arrow-link{opacity:1;transform:translateY(0)}
.feature-card .arrow-link i{font-size:11px}

/* ===== Scenarios ===== */
.scenarios{background:var(--white);position:relative}
.scenario-row{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
  padding:40px 0
}
.scenario-row+.scenario-row{border-top:1px solid var(--border);margin-top:32px}
.scenario-img-wrap{position:relative}
.scenario-img-wrap::before{
  content:'';position:absolute;top:12px;left:12px;width:100%;height:100%;
  border-radius:var(--radius-lg);background:var(--dark);z-index:0
}
.scenario-img-wrap img{
  position:relative;z-index:1;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);width:100%;object-fit:cover;aspect-ratio:16/10.5
}
.scenario-row.reversed .scenario-img-wrap::before{left:auto;right:12px}
.scenario-content{padding:0 8px}
.scenario-step-title{
  display:flex;align-items:center;gap:12px;
  font-size:22px;font-weight:800;color:var(--text-main);margin-bottom:24px
}
.scenario-step-title::before{
  content:'';width:4px;height:24px;background:var(--primary);border-radius:4px
}
.scenario-sub{font-size:15px;color:var(--text-sub);margin-bottom:28px;line-height:1.7}
.scenario-list{list-style:none;padding:0;margin:0 0 28px}
.scenario-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:12px 0;border-bottom:1px dashed var(--border)
}
.scenario-list li:last-child{border-bottom:none}
.scenario-step-num{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  background:var(--primary-light);color:var(--primary);
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:2px
}
.scenario-list li p{font-size:15px;color:var(--text-main);margin:0;line-height:1.7}
.scenario-link{
  display:inline-flex;align-items:center;gap:8px;color:var(--primary);
  font-weight:600;font-size:15px;transition:gap .3s
}
.scenario-link:hover{gap:12px;color:var(--primary-dark)}

/* ===== Social proof ===== */
.social-proof{background:var(--primary-light);position:relative;overflow:hidden}
.social-proof::before{
  content:'';position:absolute;top:-60px;right:-60px;width:200px;height:200px;
  border-radius:50%;background:rgba(0,195,137,.08)
}
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:44px}
.proof-card{
  background:var(--white);border-radius:var(--radius-lg);
  padding:32px 28px;border-left:4px solid var(--primary);
  box-shadow:var(--shadow-sm);transition:box-shadow .3s}
.proof-card:hover{box-shadow:var(--shadow-md)}
.proof-card .quote-icon{color:var(--primary);font-size:24px;margin-bottom:14px;opacity:.7}
.proof-card p{font-size:15px;color:var(--text-main);line-height:1.8;margin:0;font-style:normal}
.proof-author{display:flex;align-items:center;gap:10px;margin-top:18px}
.proof-avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}
.proof-name{font-size:14px;font-weight:600;color:var(--text-main)}
.proof-role{font-size:12px;color:var(--text-sub)}
.proof-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--dark);border-radius:var(--radius-lg);
  padding:32px 24px;margin-bottom:44px
}
.proof-stat{text-align:center}
.proof-stat-num{display:block;font-size:34px;font-weight:800;color:var(--accent);line-height:1.2;font-variant-numeric:tabular-nums}
.proof-stat-label{display:block;margin-top:6px;font-size:13px;color:rgba(232,245,238,.7)}
.proof-logos{display:flex;align-items:center;justify-content:center;gap:36px;flex-wrap:wrap;opacity:.55}
.proof-logo{font-size:16px;color:var(--text-sub);display:flex;align-items:center;gap:8px;font-weight:500}
.proof-logo i{font-size:20px;color:var(--primary)}

/* ===== Latest news ===== */
.latest-news{background:var(--light-bg)}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{
  background:var(--white);border-radius:var(--radius-lg);
  border:1px solid var(--border);padding:28px;
  box-shadow:var(--shadow-sm);transition:all .35s ease;
  display:flex;flex-direction:column
}
.news-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-4px)}
.news-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.badge-category{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--primary-light);color:var(--primary);
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:100px;letter-spacing:.5px
}
.badge-new{
  display:inline-flex;align-items:center;font-size:10px;font-weight:700;
  background:var(--orange);color:#fff;padding:2px 8px;border-radius:4px;letter-spacing:1px;text-transform:uppercase
}
.news-time{font-size:13px;color:var(--text-sub);display:inline-flex;align-items:center;gap:6px}
.news-time i{font-size:11px;color:var(--primary)}
.news-card h3{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:12px}
.news-card h3 a{color:var(--text-main);transition:color .25s}
.news-card h3 a:hover{color:var(--primary)}
.news-card p{
  font-size:14.5px;color:var(--text-sub);line-height:1.7;margin-bottom:0;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden
}
.news-card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:16px;border-top:1px solid var(--border)}
.news-card-foot a{font-size:14px;color:var(--text-sub);font-weight:500;display:inline-flex;align-items:center;gap:6px}
.news-card-foot a:hover{color:var(--primary);gap:10px}
.news-card-foot a i{font-size:11px;transition:transform .25s}
.news-card-foot a:hover i{transform:translateX(3px)}
.news-empty{
  text-align:center;padding:60px 0;
  background:var(--white);border-radius:var(--radius-lg);
  border:1px dashed var(--border)
}
.empty-icon{font-size:44px;color:var(--primary);opacity:.4;margin-bottom:16px}
.news-empty p{font-size:16px;color:var(--text-sub)}

/* ===== FAQ ===== */
.faq-section{background:var(--white)}
.faq-container{max-width:880px;margin:0 auto}
.accordion-item{
  background:var(--light-bg);
  border:1px solid var(--border)!important;border-radius:var(--radius)!important;
  margin-bottom:10px;overflow:hidden;
  box-shadow:0 2px 8px rgba(12,26,23,.03)
}
.accordion-button{
  background:var(--light-bg);color:var(--text-main);
  font-weight:700;font-size:16px;padding:20px 24px;
  box-shadow:none!important;border:none
}
.accordion-button:not(.collapsed){background:var(--primary-light);color:var(--primary-dark)}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(0,195,137,.15)!important;border-color:var(--primary)}
.accordion-button::after{
  background-image:none;content:'\f067';
  font-family:'Font Awesome 6 Free';font-weight:900;
  font-size:15px;width:auto;height:auto;color:var(--primary);
  display:flex;align-items:center;justify-content:center
}
.accordion-button:not(.collapsed)::after{
  background-image:none;content:'\f068';color:var(--primary)
}
.accordion-body{background:var(--light-bg);padding:0 24px 22px}
.accordion-body p{font-size:15px;color:var(--text-sub);line-height:1.8;max-width:70%;margin:0}

/* ===== CTA ===== */
.cta-section{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(12,26,23,.92),rgba(12,26,23,.75)),url('/assets/images/coverpic/cover-3.png') center/cover no-repeat;
  padding:80px 0;text-align:center;color:#fff
}
.cta-section::after{
  content:'';position:absolute;bottom:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent),var(--primary))
}
.cta-section .container{position:relative;z-index:2}
.cta-title{font-size:34px;font-weight:800;margin-bottom:16px;color:#fff}
.cta-desc{font-size:16px;color:rgba(232,245,238,.85);max-width:560px;margin:0 auto 36px;line-height:1.8}
.btn-cta{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--accent);color:var(--dark);
  font-weight:800;font-size:17px;padding:16px 44px;
  border-radius:var(--radius);border:none;cursor:pointer;
  transition:all .3s ease;box-shadow:0 10px 30px rgba(214,255,63,.3)
}
.btn-cta:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(214,255,63,.4);color:var(--dark)}
.btn-cta i{transition:transform .3s}
.btn-cta:hover i{transform:translateX(4px)}

/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(232,245,238,.8);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.06)}
.footer-brand .brand-text{color:#fff;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(232,245,238,.6);margin-top:16px}
.footer-col h4{
  font-size:16px;font-weight:700;color:#fff;margin-bottom:20px;
  position:relative;padding-bottom:10px
}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:28px;height:2px;background:var(--primary)}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(232,245,238,.65);display:inline-flex;align-items:center;gap:8px;transition:all .3s}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-links a i{font-size:10px;color:var(--primary)}
.footer-contact{list-style:none;padding:0;margin:0}
.footer-contact li{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px;font-size:14px;color:rgba(232,245,238,.65);line-height:1.6}
.footer-contact li i{color:var(--primary);margin-top:4px;flex-shrink:0}
.footer-bottom{padding:20px 0;text-align:center;font-size:13px;color:rgba(232,245,238,.5);display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}
.footer-bottom .sep{color:rgba(255,255,255,.2)}

/* ===== Sticky CTA ===== */
.sticky-cta{
  position:fixed;bottom:0;left:0;width:100%;z-index:1040;
  background:rgba(12,26,23,.95);backdrop-filter:blur(10px);
  border-top:1px solid rgba(0,195,137,.2);
  padding:10px 0;display:block
}
.sticky-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.sticky-cta p{
  margin:0;color:rgba(232,245,238,.9);font-size:14px;font-weight:500;
  display:flex;align-items:center;gap:10px
}
.sticky-cta p i{color:var(--accent)}
.sticky-cta .btn-sticky{
  background:var(--accent);color:var(--dark);font-weight:700;
  font-size:14px;padding:10px 24px;border-radius:var(--radius);
  white-space:nowrap;transition:all .3s ease;border:none;cursor:pointer
}
.sticky-cta .btn-sticky:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(214,255,63,.35)}

/* ===== Responsive ===== */
@media (max-width:1199px){
  .hero h1{font-size:40px}
  .section-title{font-size:30px}
  .feature-card{padding:32px 24px}
  .scenario-row{gap:40px}
}
@media (max-width:991px){
  .header-search{max-width:280px}
  .nav-tags{display:none}
  .header-nav{
    max-height:0;overflow:hidden;transition:max-height .45s ease
  }
  .header-nav.open{max-height:260px}
  .nav-inner{flex-direction:column;align-items:flex-start;padding:12px 0;height:auto;gap:4px}
  .nav-list li a{padding:10px 14px}
  .hamburger-btn{display:flex}
  .features-grid{grid-template-columns:1fr 1fr}
  .feature-card.mid{transform:none}
  .feature-card.mid:hover{transform:none}
  .scenario-row{grid-template-columns:1fr;gap:32px}
  .scenario-row.reversed .scenario-img-wrap{order:0}
  .proof-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px}
  .stat-item:nth-child(2){border-right:none}
  .accordion-body p{max-width:100%}
}
@media (max-width:767px){
  .section-padding{padding:48px 0}
  .section-title{font-size:24px}
  .header-top-inner{height:58px}
  .brand-text{font-size:17px}
  .brand-icon{width:32px;height:32px;font-size:14px}
  .header-search{display:none}
  .tool-link span{display:none}
  .hero{padding:64px 0 56px}
  .hero h1{font-size:28px;text-align:center}
  .hero-sub{font-size:15px;text-align:center}
  .hero-actions{justify-content:center}
  .hero-badge{margin-left:auto;margin-right:auto}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:16px;padding:20px}
  .stat-num{font-size:24px}
  .stat-label{font-size:12px}
  .features-grid{grid-template-columns:1fr}
  .feature-card.mid{transform:none!important}
  .scenario-row{padding:24px 0}
  .scenario-step-title{font-size:19px}
  .scenario-img-wrap::before{display:none}
  .proof-stats{grid-template-columns:repeat(2,1fr);gap:16px;padding:24px 16px}
  .proof-stat-num{font-size:26px}
  .proof-logos{gap:16px}
  .news-card{padding:20px}
  .cta-title{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:4px}
  .accordion-button{font-size:14px;padding:16px 18px}
  .accordion-body{padding:0 18px 18px}
  .sticky-cta p{font-size:12px}
  .sticky-cta .btn-sticky{padding:10px 16px;font-size:13px}
  .btn-accent{padding:12px 24px}
  .btn-cta{padding:14px 36px;font-size:15px}
}
@media (max-width:520px){
  .brand-text{font-size:15px}
  .brand-logo{gap:8px}
  .hero h1{font-size:24px}
  .hero-sub{font-size:13px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:14px}
  .stat-num{font-size:22px}
  .section-title{font-size:21px}
  .section-head{margin-bottom:28px}
  .cta-desc{font-size:13px}
}

/* roulang page: article */
:root {
  --primary: #00C389;
  --primary-dark: #00A874;
  --lime: #D6FF3F;
  --dark: #0C1A17;
  --dark-soft: #132C25;
  --warm: #F5F7F3;
  --white: #FFFFFF;
  --text: #1A2420;
  --text-muted: #5B6B63;
  --text-deep: #E8F5EE;
  --border: #E5EDE8;
  --radius: 8px;
  --radius-lg: 16px;
  --radius-hero: 32px;
  --shadow: 0 8px 30px rgba(12,26,23,.06);
  --shadow-hover: 0 16px 40px rgba(0,195,137,.15);
  --font: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --spacer: 80px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);font-size:16px;line-height:1.7;color:var(--text);background:var(--warm);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:color .25s ease}
a:hover{color:var(--primary)}
ul,ol{list-style:none}
button,input{font-family:inherit;border:none;outline:none}
.container{max-width:1280px;padding-left:24px;padding-right:24px;margin:0 auto}
::selection{background:var(--primary);color:#fff}

/* 按钮 */
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--lime);color:#0C1A17;font-weight:700;font-size:16px;padding:14px 34px;border-radius:var(--radius);border:2px solid var(--lime);transition:all .3s ease;cursor:pointer;letter-spacing:.5px}
.btn-main:hover{background:#E2FF70;border-color:#E2FF70;color:#0C1A17;transform:translateY(-2px);box-shadow:0 10px 30px rgba(214,255,63,.25)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:transparent;color:var(--lime);font-weight:600;font-size:16px;padding:14px 34px;border-radius:var(--radius);border:1.5px solid var(--primary);transition:all .3s ease;cursor:pointer}
.btn-ghost:hover{background:rgba(0,195,137,.1);color:var(--lime);box-shadow:0 8px 30px rgba(0,195,137,.15)}
.btn-ghost:active{transform:scale(.98)}

/* 徽章 */
.badge-cat{display:inline-block;background:rgba(0,195,137,.1);color:var(--primary-dark);font-size:12px;font-weight:700;padding:4px 14px;border-radius:100px;letter-spacing:1px;text-transform:uppercase}
.badge-new{display:inline-block;background:var(--primary);color:#fff;font-size:11px;font-weight:700;padding:3px 10px;border-radius:100px;letter-spacing:.5px}
.section-label{display:inline-block;background:rgba(0,195,137,.08);color:var(--primary-dark);font-size:13px;font-weight:700;padding:6px 18px;border-radius:100px;letter-spacing:1px;margin-bottom:12px}
.section-title{font-size:34px;font-weight:800;color:var(--text);line-height:1.3;margin-bottom:10px}
.section-sub{font-size:16px;color:var(--text-muted);max-width:560px;line-height:1.7}
.rule-line{width:40px;height:4px;background:var(--primary);border-radius:4px;margin-top:12px}

/* 吸顶导航 */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(12,26,23,.95);backdrop-filter:blur(10px);box-shadow:0 4px 20px rgba(0,0,0,.15);transition:box-shadow .3s ease}
.header-top{background:rgba(12,26,23,.98);border-bottom:1px solid rgba(255,255,255,.05)}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand-logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--primary),var(--lime));border-radius:10px;display:flex;align-items:center;justify-content:center;color:#0C1A17;font-size:18px;box-shadow:0 4px 16px rgba(0,195,137,.3)}
.brand-text{font-size:24px;font-weight:800;color:#fff;line-height:1.2;display:flex;flex-direction:column;letter-spacing:.5px}
.brand-text-sub{font-size:10px;font-weight:600;color:rgba(255,255,255,.4);letter-spacing:3px;text-transform:uppercase}
.header-search{flex:0 1 460px;display:flex;align-items:center;background:rgba(255,255,255,.08);border:1.5px solid transparent;border-radius:var(--radius);overflow:hidden;transition:border-color .3s ease,box-shadow .3s ease}
.header-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,195,137,.25);background:rgba(255,255,255,.12)}
.header-search input{flex:1;background:transparent;border:none;padding:10px 18px;font-size:14px;color:#fff}
.header-search input::placeholder{color:rgba(255,255,255,.4)}
.header-search button{background:transparent;padding:0 16px;color:var(--primary);font-size:15px;cursor:pointer;transition:color .3s}
.header-search button:hover{color:var(--lime)}
.nav-toggle{display:none;background:transparent;color:#fff;font-size:22px;cursor:pointer;padding:8px;border-radius:var(--radius);transition:background .3s}
.nav-toggle:hover{background:rgba(255,255,255,.1)}

.header-nav{background:rgba(12,26,23,.92);border-top:1px solid rgba(255,255,255,.05)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:52px;gap:20px}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-list li a{display:flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--radius);color:rgba(255,255,255,.7);font-size:15px;font-weight:500;transition:all .3s ease}
.nav-list li a .nav-icon{font-size:13px;color:var(--primary)}
.nav-list li a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-list li a.active{background:rgba(0,195,137,.12);color:var(--lime);font-weight:700}
.nav-list li a.active .nav-icon{color:var(--lime)}
.nav-tags{display:flex;align-items:center;gap:14px}
.nav-tag{font-size:13px;color:rgba(255,255,255,.5);display:flex;align-items:center;gap:6px;cursor:pointer;transition:all .3s ease;padding:2px 0;border-bottom:2px solid transparent}
.nav-tag i{font-size:11px;color:var(--primary)}
.nav-tag:hover{color:var(--lime);border-bottom-color:var(--lime)}

/* 页面主体与面包屑 */
.main-wrap{min-height:70vh}
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--border);padding:14px 0}
.breadcrumb-nav{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--text-muted)}
.breadcrumb-nav a{color:var(--text-muted);transition:color .3s}
.breadcrumb-nav a:hover{color:var(--primary)}
.breadcrumb-nav i{font-size:10px;color:#ccc}
.breadcrumb-nav span{color:var(--text);font-weight:500;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章内容 */
.article-section{padding:56px 0 0}
.article-wrap{max-width:860px;margin:0 auto}
.article-header{margin-bottom:32px}
.article-header h1{font-size:42px;font-weight:800;line-height:1.3;color:var(--text);margin-bottom:20px;letter-spacing:.3px}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:22px;margin-bottom:20px;}
.meta-item{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-muted)}
.meta-item i{color:var(--primary)}
.article-rule{width:40px;height:4px;background:var(--primary);border-radius:4px}

.article-body{max-width:780px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--text)}
.article-body p{margin-bottom:24px}
.article-body h2{font-size:26px;font-weight:800;margin:40px 0 18px;padding-left:14px;border-left:4px solid var(--primary);line-height:1.4}
.article-body h3{font-size:21px;font-weight:700;margin:32px 0 14px;line-height:1.4}
.article-body a{color:var(--primary-dark);font-weight:600;border-bottom:1px solid rgba(0,195,137,.3)}
.article-body a:hover{color:var(--primary);border-bottom-color:var(--primary)}
.article-body blockquote{border-left:3px solid var(--primary);background:rgba(0,195,137,.06);padding:20px 24px;margin:28px 0;border-radius:0 8px 8px 0;font-style:italic;color:var(--text-muted)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{padding-left:22px;margin-bottom:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body ul li,.article-body ol li{margin-bottom:8px;padding-left:4px}
.article-body img{border-radius:12px;box-shadow:var(--shadow);margin:28px auto}
.article-body table{width:100%;border-collapse:collapse;margin:28px 0;font-size:15px}
.article-body table th{background:var(--dark);color:#fff;padding:12px 16px;border:1px solid var(--border)}
.article-body table td{padding:12px 16px;border:1px solid var(--border);background:#fff}
.article-body table tr:nth-child(even) td{background:#fafcfa}
.article-body pre{background:var(--dark);color:var(--text-deep);padding:20px;border-radius:12px;overflow-x:auto;margin:28px 0;font-size:14px}
.article-body code{background:#eef3ef;color:var(--primary-dark);padding:2px 8px;border-radius:4px;font-size:14px}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body hr{border:none;border-top:1px solid var(--border);margin:36px 0}

/* 无文状态 */
.article-not-found{text-align:center;padding:120px 24px}
.article-not-found h1{font-size:36px;font-weight:800;margin-bottom:16px;color:var(--text)}
.article-not-found p{font-size:18px;color:var(--text-muted);margin-bottom:32px}
.article-not-found .btn-main{display:inline-flex}

/* 标签区 */
.article-tags{padding:48px 0}
.tag-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.tag{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--border);color:var(--text-muted);font-size:14px;padding:8px 18px;border-radius:100px;transition:all .3s ease;cursor:pointer}
.tag i{color:var(--primary)}
.tag:hover{border-color:var(--primary);color:var(--primary-dark);background:rgba(0,195,137,.06);box-shadow:0 4px 14px rgba(0,195,137,.1)}

/* 相关推荐 */
.related-section{padding:60px 0 80px;background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px}
.section-head h2{font-size:30px;font-weight:800;color:var(--text);display:flex;align-items:center;gap:12px}
.section-head h2::before{content:'';width:4px;height:24px;background:var(--primary);border-radius:4px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.related-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all .35s ease;display:block}
.related-card:hover{border-color:var(--primary);box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.related-card img{width:100%;height:190px;object-fit:cover}
.related-info{padding:20px 22px 24px}
.related-info h3{font-size:18px;font-weight:700;color:var(--text);line-height:1.5;margin-bottom:12px;transition:color .3s}
.related-card:hover .related-info h3{color:var(--primary-dark)}
.related-info span{font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:6px}
.related-info span i{color:var(--primary);font-size:12px}

/* CTA */
.detail-cta{padding:80px 0}
.cta-box{background:var(--dark);border-radius:24px;padding:56px 48px;text-align:center;position:relative;overflow:hidden}
.cta-box::before{content:'';position:absolute;top:-60px;right:-60px;width:200px;height:200px;border-radius:50%;background:rgba(0,195,137,.15);animation:pulse 4s ease-in-out infinite}
.cta-box::after{content:'';position:absolute;bottom:-80px;left:-40px;width:160px;height:160px;border-radius:50%;background:rgba(214,255,63,.08)}
@keyframes pulse{0%,100%{transform:scale(1);opacity:.8}50%{transform:scale(1.1);opacity:1}}
.cta-box h3{font-size:30px;font-weight:800;color:#fff;margin-bottom:14px;position:relative;z-index:1}
.cta-box p{font-size:16px;color:rgba(255,255,255,.7);margin-bottom:32px;position:relative;z-index:1}
.cta-box .btn-main{position:relative;z-index:1}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.6);padding:64px 0 0;border-top:1px solid rgba(255,255,255,.05)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;margin-bottom:48px}
.footer-brand .brand-text{font-size:22px;margin-bottom:8px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.5);margin-top:16px;max-width:320px}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:20px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--primary)}
.footer-links li{margin-bottom:10px}
.footer-links a{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.55);transition:all .3s ease}
.footer-links a i{font-size:10px;color:var(--primary);transition:transform .3s ease}
.footer-links a:hover{color:var(--lime)}
.footer-links a:hover i{transform:translateX(3px)}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.55);margin-bottom:12px}
.footer-contact li i{color:var(--primary);width:16px;text-align:center}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:22px 0;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;font-size:13px;color:rgba(255,255,255,.4)}
.footer-bottom .sep{opacity:.4}

/* 固定转化条 */
.sticky-cta{position:fixed;bottom:0;left:0;right:0;z-index:999;background:rgba(12,26,23,.95);backdrop-filter:blur(12px);border-top:1px solid rgba(255,255,255,.08);padding:12px 0;transform:translateY(100%);transition:transform .4s ease}
.sticky-cta.show{transform:translateY(0)}
.sticky-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.sticky-cta-text{font-size:15px;color:#fff;font-weight:600}
.sticky-cta-text span{color:var(--lime)}
.sticky-cta .btn-main{padding:10px 28px;font-size:14px;border-radius:8px;flex-shrink:0}

/* 响应式 */
@media (max-width:1200px){
  .container{padding-left:20px;padding-right:20px}
  .article-header h1{font-size:38px}
  .related-grid{grid-template-columns:repeat(3,1fr);gap:20px}
}
@media (max-width:992px){
  .header-top-inner{height:60px}
  .header-search{flex:0 1 320px}
  .nav-inner{flex-wrap:wrap;padding:8px 0;gap:8px}
  .nav-tags{display:none}
  .nav-toggle{display:block}
  .nav-list{width:100%}
  .nav-list li{flex:1}
  .nav-list li a{justify-content:center;padding:10px 8px;font-size:14px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .cta-box{padding:44px 28px}
  .cta-box h3{font-size:26px}
}
@media (max-width:768px){
  :root{--spacer:48px}
  .section-title{font-size:28px}
  .brand-text{font-size:20px}
  .brand-icon{width:34px;height:34px;font-size:15px}
  .header-search{display:none}
  .article-section{padding:36px 0 0}
  .article-header h1{font-size:28px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px}
  .article-meta{gap:12px;flex-wrap:wrap}
  .related-grid{grid-template-columns:1fr}
  .article-tags{padding:32px 0}
  .detail-cta{padding:48px 0}
  .cta-box{padding:36px 20px;border-radius:16px}
  .cta-box h3{font-size:22px}
  .cta-box p{font-size:14px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{gap:4px;flex-direction:column}
  .sticky-cta-text{font-size:13px}
  .sticky-cta .btn-main{padding:8px 18px;font-size:13px}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .brand-text{font-size:18px}
  .brand-text-sub{font-size:8px}
  .nav-list li a{font-size:13px;gap:4px}
  .nav-list li a .nav-icon{display:none}
  .breadcrumb-nav span{max-width:140px}
  .article-header h1{font-size:24px;line-height:1.4}
  .article-body p{margin-bottom:18px}
  .article-body h2{font-size:20px;margin:28px 0 14px}
  .section-head h2{font-size:24px}
  .related-info h3{font-size:16px}
  .cta-box .btn-main{width:100%}
}

/* roulang page: category1 */
:root {
      --primary: #00C389;
      --primary-dark: #00a874;
      --secondary: #D6FF3F;
      --bg-dark: #0C1A17;
      --bg-light: #F5F7F3;
      --card-bg: #FFFFFF;
      --text-main: #1A2420;
      --text-sub: #5B6B63;
      --text-on-dark: #E8F5EE;
      --text-dim: #9DB0A7;
      --border: #E5EDE8;
      --accent: #FF6B35;
      --radius-lg: 16px;
      --radius-md: 8px;
      --radius-hero: 32px;
      --shadow-sm: 0 8px 30px rgba(12, 26, 23, 0.06);
      --shadow-hover: 0 16px 40px rgba(0, 195, 137, 0.15);
      --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
      --spacing-section: 80px;
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: var(--font-cn);
      background: var(--bg-light);
      color: var(--text-main);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; transition: color 0.25s ease; }
    ul { list-style: none; }
    button { font-family: inherit; }

    .container { max-width: 1280px; padding-left: 24px; padding-right: 24px; margin: 0 auto; }

    h1, h2, h3, h4, h5 { font-weight: 800; line-height: 1.3; color: var(--text-main); }
    h1 { font-size: 48px; }
    h2 { font-size: 34px; }
    h3 { font-size: 22px; }

    .section-title { margin-bottom: 16px; position: relative; padding-left: 18px; }
    .section-title::before {
      content: "";
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 6px;
      height: 26px;
      background: var(--primary);
      border-radius: 3px;
    }
    .section-sub { color: var(--text-sub); font-size: 17px; max-width: 680px; margin-bottom: 36px; }

    /* ============ Header / Nav ============ */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: var(--bg-dark);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .header-top {
      padding: 12px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    }

    .header-top-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }
    .brand-icon {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--bg-dark);
      font-size: 20px;
      box-shadow: 0 4px 16px rgba(0, 195, 137, 0.4);
    }
    .brand-text {
      font-size: 22px;
      font-weight: 800;
      color: #fff;
      letter-spacing: 1px;
      line-height: 1.2;
      display: flex;
      flex-direction: column;
    }
    .brand-text-sub {
      font-size: 10px;
      font-weight: 500;
      letter-spacing: 3px;
      color: var(--primary);
      text-transform: uppercase;
      margin-top: 2px;
    }

    .header-search {
      flex: 0 1 420px;
      display: flex;
      align-items: center;
      background: rgba(255, 255, 255, 0.09);
      border: 1.5px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.3s, box-shadow 0.3s;
    }
    .header-search:focus-within {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(0, 195, 137, 0.18);
    }
    .header-search input {
      flex: 1;
      background: transparent;
      border: none;
      outline: none;
      padding: 9px 16px;
      color: #fff;
      font-size: 14px;
      font-family: var(--font-cn);
    }
    .header-search input::placeholder { color: var(--text-dim); }
    .header-search button {
      background: transparent;
      border: none;
      padding: 10px 16px;
      color: var(--text-dim);
      cursor: pointer;
      font-size: 15px;
      transition: color 0.3s, background 0.3s;
    }
    .header-search button:hover { color: var(--primary); background: rgba(255, 255, 255, 0.05); }

    .header-hot {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--text-dim);
      font-size: 13px;
      white-space: nowrap;
    }
    .header-hot .hot-icon {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: rgba(0, 195, 137, 0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
    }

    .header-nav {
      background: rgba(12, 26, 23, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: nowrap;
      padding-top: 0;
      padding-bottom: 0;
    }

    .nav-list {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 0;
      margin: 0;
      flex-shrink: 0;
    }
    .nav-list li a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 18px;
      color: var(--text-dim);
      font-size: 15px;
      font-weight: 500;
      border-bottom: 3px solid transparent;
      transition: color 0.3s, border-color 0.3s, background 0.3s;
    }
    .nav-list li a:hover { color: #fff; background: rgba(255, 255, 255, 0.05); }
    .nav-list li a.active { color: var(--secondary); border-bottom-color: var(--secondary); font-weight: 600; }
    .nav-icon { font-size: 13px; opacity: 0.85; }

    .nav-tags {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: nowrap;
      overflow-x: auto;
      scrollbar-width: none;
      padding: 8px 0;
    }
    .nav-tags::-webkit-scrollbar { display: none; }
    .nav-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--text-dim);
      font-size: 13px;
      white-space: nowrap;
      padding: 4px 2px;
      border-bottom: 2px solid transparent;
      transition: color 0.3s, border-color 0.3s;
      cursor: default;
    }
    .nav-tag i { font-size: 12px; }
    .nav-tag:hover { color: var(--secondary); border-bottom-color: var(--secondary); }

    /* ============ Breadcrumb ============ */
    .page-breadcrumb {
      background: #fff;
      border-bottom: 1px solid var(--border);
      padding: 12px 0;
      font-size: 14px;
      color: var(--text-sub);
    }
    .page-breadcrumb .container { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
    .page-breadcrumb a { color: var(--text-sub); }
    .page-breadcrumb a:hover { color: var(--primary); }
    .page-breadcrumb .sep { color: #c7d1cb; font-size: 12px; }
    .page-breadcrumb .current { color: var(--primary); font-weight: 600; }

    /* ============ Hero ============ */
    .category-hero {
      position: relative;
      background-color: var(--bg-dark);
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      padding: 110px 0 90px;
      overflow: hidden;
    }
    .category-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(12, 26, 23, 0.82);
      z-index: 1;
    }
    .category-hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0 0;
      height: 160px;
      background: linear-gradient(to top, rgba(12, 26, 23, 0.6), transparent);
      z-index: 1;
      pointer-events: none;
    }
    .category-hero .container { position: relative; z-index: 2; }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(0, 195, 137, 0.18);
      border: 1px solid rgba(0, 195, 137, 0.35);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: 100px;
      letter-spacing: 1px;
      margin-bottom: 24px;
    }

    .category-hero h1 {
      color: #fff;
      font-size: 52px;
      font-weight: 900;
      line-height: 1.2;
      margin-bottom: 18px;
      letter-spacing: 2px;
    }
    .category-hero h1 span { color: var(--secondary); }

    .hero-desc {
      color: var(--text-on-dark);
      font-size: 18px;
      max-width: 620px;
      margin-bottom: 32px;
      line-height: 1.8;
      opacity: 0.92;
    }

    .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

    .btn-primary-custom {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: var(--secondary);
      color: var(--bg-dark);
      border: none;
      font-weight: 700;
      font-size: 15px;
      padding: 13px 28px;
      border-radius: var(--radius-md);
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 4px 20px rgba(214, 255, 63, 0.2);
    }
    .btn-primary-custom:hover { background: #dfff6a; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(214, 255, 63, 0.3); }

    .btn-outline-custom {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: transparent;
      color: var(--primary);
      border: 1.5px solid var(--primary);
      font-weight: 600;
      font-size: 15px;
      padding: 12px 28px;
      border-radius: var(--radius-md);
      cursor: pointer;
      transition: all 0.3s ease;
    }
    .btn-outline-custom:hover {
      background: rgba(0, 195, 137, 0.12);
      color: #d0f0df;
      transform: translateY(-2px);
    }

    .hero-stats {
      margin-top: 64px;
      display: flex;
      gap: 48px;
      flex-wrap: wrap;
      padding-top: 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    .hero-stats .stat-item { text-align: left; }
    .hero-stats .stat-num {
      font-size: 34px;
      font-weight: 900;
      color: var(--secondary);
      line-height: 1.1;
    }
    .hero-stats .stat-label {
      font-size: 13px;
      color: var(--text-dim);
      margin-top: 6px;
      letter-spacing: 1px;
    }

    /* ============ Hot Tags Section ============ */
    .hot-tags-section {
      padding: 48px 0;
      background: #fff;
      border-bottom: 1px solid var(--border);
    }
    .hot-tags-inner {
      display: flex;
      align-items: center;
      gap: 20px;
      flex-wrap: wrap;
    }
    .hot-tags-label {
      font-weight: 700;
      font-size: 15px;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .hot-tags-label i { color: var(--primary); }
    .hot-tags-wrap { display: flex; gap: 10px; flex-wrap: wrap; }
    .tag-chip {
      display: inline-block;
      padding: 7px 16px;
      border-radius: 100px;
      background: var(--bg-light);
      color: var(--text-sub);
      font-size: 13px;
      font-weight: 500;
      border: 1px solid var(--border);
      transition: all 0.25s;
      cursor: pointer;
    }
    .tag-chip:hover {
      color: var(--primary);
      border-color: var(--primary);
      background: rgba(0, 195, 137, 0.06);
      box-shadow: 0 4px 12px rgba(0, 195, 137, 0.12);
    }

    /* ============ Features Section ============ */
    .features-section {
      padding: var(--spacing-section) 0;
      background: var(--bg-light);
    }
    .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 20px; }

    .feature-card {
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: all 0.35s ease;
      position: relative;
      overflow: hidden;
    }
    .feature-card::after {
      content: "";
      position: absolute;
      bottom: 0;
      right: 0;
      width: 56px;
      height: 56px;
      background: var(--primary);
      clip-path: polygon(100% 0, 100% 100%, 0 100%);
      opacity: 0.08;
      transition: opacity 0.3s;
    }
    .feature-card:hover::after { opacity: 0.2; }

    .feature-card.dark-card {
      background: var(--bg-dark);
      border-color: rgba(255, 255, 255, 0.06);
    }
    .feature-card.dark-card .feature-title { color: #fff; }
    .feature-card.dark-card .feature-desc { color: var(--text-dim); }
    .feature-card.dark-card .feature-num { color: rgba(214, 255, 63, 0.5); }

    .feature-card.center-card {
      border: 1.5px solid var(--primary);
      transform: translateY(-16px);
      box-shadow: 0 20px 45px rgba(0, 195, 137, 0.12);
    }
    .feature-card.center-card .feature-num { color: var(--primary); }

    .feature-num {
      font-size: 42px;
      font-weight: 900;
      color: rgba(0, 195, 137, 0.45);
      line-height: 1;
      margin-bottom: 20px;
      letter-spacing: 1px;
      font-family: "SF Mono", Consolas, monospace;
    }
    .feature-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: rgba(0, 195, 137, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      color: var(--primary);
      margin-bottom: 22px;
    }
    .feature-title { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
    .feature-desc { color: var(--text-sub); font-size: 15px; line-height: 1.75; }

    /* ============ Stats Section ============ */
    .stats-section {
      padding: 60px 0;
      background: var(--bg-dark);
      position: relative;
      overflow: hidden;
    }
    .stats-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
      background-size: 60px 60px;
    }
    .stats-section .container { position: relative; z-index: 1; }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .stats-grid .stat-num {
      font-size: 40px;
      font-weight: 900;
      color: var(--secondary);
      line-height: 1.1;
    }
    .stats-grid .stat-label {
      color: var(--text-dim);
      font-size: 14px;
      margin-top: 10px;
      letter-spacing: 1px;
    }

    /* ============ Sport Cards Section ============ */
    .sport-section {
      padding: var(--spacing-section) 0;
      background: #fff;
    }
    .sport-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 32px; }

    .sport-card {
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: var(--card-bg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: all 0.35s ease;
      position: relative;
    }
    .sport-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .sport-card-img {
      height: 180px;
      overflow: hidden;
      position: relative;
      background: var(--bg-dark);
    }
    .sport-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .sport-card:hover .sport-card-img img { transform: scale(1.05); }
    .sport-card-img::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(12, 26, 23, 0.7), transparent);
    }
    .sport-card-cat {
      position: absolute;
      top: 14px;
      left: 14px;
      z-index: 2;
      background: rgba(12, 26, 23, 0.82);
      color: var(--secondary);
      font-size: 12px;
      font-weight: 700;
      padding: 5px 12px;
      border-radius: 100px;
      letter-spacing: 1px;
      border: 1px solid rgba(214, 255, 63, 0.3);
    }
    .sport-card-body { padding: 22px 20px 26px; }
    .sport-card-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
    .sport-card-body p { font-size: 14px; color: var(--text-sub); line-height: 1.7; margin-bottom: 14px; }
    .sport-card-link {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: gap 0.3s;
    }
    .sport-card-link:hover { gap: 12px; color: var(--primary-dark); }

    /* ============ Process / Steps ============ */
    .process-section {
      padding: var(--spacing-section) 0;
      background: var(--bg-light);
    }
    .process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 40px; position: relative; }

    .process-step {
      background: #fff;
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      text-align: center;
      border: 1px solid var(--border);
      position: relative;
      transition: all 0.3s;
    }
    .process-step:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); }
    .step-num {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--bg-dark);
      color: var(--secondary);
      font-weight: 800;
      font-size: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 18px;
      border: 2px solid var(--primary);
    }
    .process-step h3 { font-size: 16px; margin-bottom: 8px; }
    .process-step p { font-size: 14px; color: var(--text-sub); line-height: 1.7; }

    /* ============ Info Panel ============ */
    .info-section {
      padding: var(--spacing-section) 0;
      background: #fff;
      border-top: 1px solid var(--border);
    }
    .info-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .info-media {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .info-media::before {
      content: "";
      position: absolute;
      width: 100%;
      height: 100%;
      border-radius: var(--radius-lg);
      background: var(--primary);
      z-index: -1;
      transform: translate(14px, 14px);
      opacity: 0.25;
    }
    .info-media img { width: 100%; height: 320px; object-fit: cover; border-radius: var(--radius-lg); }
    .info-list { display: flex; flex-direction: column; gap: 22px; }
    .info-item {
      display: flex;
      gap: 16px;
      align-items: flex-start;
      background: var(--bg-light);
      border-radius: 14px;
      padding: 20px 20px;
      border-left: 4px solid var(--primary);
      transition: all 0.3s;
    }
    .info-item:hover { background: #fff; box-shadow: var(--shadow-sm); transform: translateX(4px); }
    .info-item-icon {
      width: 40px;
      height: 40px;
      min-width: 40px;
      border-radius: 10px;
      background: rgba(0, 195, 137, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 16px;
    }
    .info-item h4 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
    .info-item p { font-size: 14px; color: var(--text-sub); margin-bottom: 0; line-height: 1.7; }

    /* ============ FAQ Section ============ */
    .faq-section {
      padding: var(--spacing-section) 0;
      background: var(--bg-light);
    }
    .faq-wrap { max-width: 860px; margin: 0 auto; }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 14px;
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color 0.3s, box-shadow 0.3s;
    }
    .faq-item.open { border-color: var(--primary); box-shadow: var(--shadow-sm); }
    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 24px;
      background: transparent;
      border: none;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      text-align: left;
      font-family: var(--font-cn);
      transition: color 0.3s;
    }
    .faq-question:hover { color: var(--primary); }
    .faq-question .faq-icon {
      width: 28px;
      height: 28px;
      min-width: 28px;
      border-radius: 50%;
      background: rgba(0, 195, 137, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      color: var(--primary);
      transition: transform 0.3s, background 0.3s, color 0.3s;
    }
    .faq-item.open .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
    }
    .faq-answer-inner {
      padding: 0 24px 24px;
      color: var(--text-sub);
      font-size: 15px;
      line-height: 1.8;
      max-width: 90%;
    }

    /* ============ CTA Section ============ */
    .cta-section {
      padding: 72px 0;
      background: var(--bg-dark);
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
      background-size: 40px 40px;
    }
    .cta-inner {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 720px;
      margin: 0 auto;
    }
    .cta-inner h2 { color: #fff; font-size: 36px; font-weight: 900; margin-bottom: 16px; }
    .cta-inner h2 span { color: var(--secondary); }
    .cta-inner p { color: var(--text-dim); font-size: 17px; margin-bottom: 36px; line-height: 1.8; }
    .cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

    /* ============ Footer ============ */
    .site-footer {
      background: var(--bg-dark);
      padding: 64px 0 0;
      border-top: 1px solid rgba(255, 255, 255, 0.07);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.4fr;
      gap: 40px;
      padding-bottom: 48px;
    }
    .footer-brand .brand-logo { margin-bottom: 18px; }
    .footer-desc {
      color: var(--text-dim);
      font-size: 14px;
      line-height: 1.8;
      max-width: 320px;
    }
    .footer-col h4 {
      color: #fff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 10px;
    }
    .footer-col h4::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 28px;
      height: 3px;
      background: var(--primary);
      border-radius: 3px;
    }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a {
      color: var(--text-dim);
      font-size: 14px;
      transition: all 0.3s;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .footer-links a i { font-size: 10px; color: var(--primary); }
    .footer-links a:hover { color: var(--secondary); padding-left: 4px; }
    .footer-contact li {
      color: var(--text-dim);
      font-size: 14px;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-contact i { color: var(--primary); font-size: 13px; }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 22px 0;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      color: var(--text-dim);
      font-size: 13px;
      flex-wrap: wrap;
      text-align: center;
    }
    .footer-bottom .sep { color: rgba(255, 255, 255, 0.2); }

    /* ============ Responsive ============ */
    @media (max-width: 1199px) {
      h1 { font-size: 40px; }
      .category-hero h1 { font-size: 42px; }
      .features-grid { grid-template-columns: repeat(2, 1fr); }
      .sport-grid { grid-template-columns: repeat(3, 1fr); }
      .process-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
    }

    @media (max-width: 991px) {
      .header-top-inner { flex-wrap: wrap; }
      .header-search { order: 3; flex: 1 1 100%; }
      .header-hot { display: none; }
      .nav-inner { flex-direction: column; align-items: stretch; }
      .nav-list { justify-content: center; }
      .nav-tags { justify-content: flex-start; padding-bottom: 10px; }
      .info-grid { grid-template-columns: 1fr; }
      .info-media { max-width: 560px; margin: 0 auto; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
      .features-grid { grid-template-columns: 1fr 1fr; }
      .feature-card.center-card { transform: none; }
      .sport-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .section-title { font-size: 30px; }
    }

    @media (max-width: 767px) {
      :root { --spacing-section: 48px; }
      h1 { font-size: 32px; }
      h2 { font-size: 26px; }
      .category-hero { padding: 70px 0 60px; text-align: center; }
      .category-hero::before { background: rgba(12, 26, 23, 0.88); }
      .hero-desc { margin-left: auto; margin-right: auto; }
      .hero-actions { justify-content: center; }
      .hero-stats { justify-content: center; gap: 28px; text-align: center; }
      .hero-stats .stat-item { text-align: center; }
      .features-grid { grid-template-columns: 1fr; }
      .feature-card.center-card { transform: none; }
      .sport-grid { grid-template-columns: 1fr; }
      .process-grid { grid-template-columns: 1fr; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
      .stats-grid .stat-num { font-size: 30px; }
      .nav-list { flex-wrap: nowrap; overflow-x: auto; justify-content: flex-start; -webkit-overflow-scrolling: touch; }
      .nav-list li a { padding: 12px 14px; font-size: 14px; white-space: nowrap; }
      .nav-tags { padding-bottom: 12px; }
      .footer-grid { grid-template-columns: 1fr; gap: 28px; }
      .cta-inner h2 { font-size: 28px; }
      .faq-answer-inner { max-width: 100%; }
    }

    @media (max-width: 520px) {
      .container { padding-left: 16px; padding-right: 16px; }
      .category-hero h1 { font-size: 32px; }
      .hero-stats { flex-direction: column; gap: 18px; align-items: center; }
      .stats-grid { grid-template-columns: 1fr 1fr; }
      .btn-primary-custom, .btn-outline-custom { width: 100%; justify-content: center; }
      .hero-actions { flex-direction: column; width: 100%; }
      .nav-list li a { padding: 10px 10px; font-size: 13px; }
      .nav-icon { display: none; }
      .brand-text { font-size: 18px; }
      .brand-icon { width: 36px; height: 36px; }
    }