/* roulang page: index */
/* ===== Design Tokens ===== */
:root{
  --primary:#0E4D45;
  --secondary:#0A352F;
  --accent:#D8FF3D;
  --hot:#FF6B2C;
  --bg:#FAF8F4;
  --alt-bg:#EAF0EC;
  --text:#1C1C1C;
  --text-sub:#5A6B65;
  --text-weak:#8A9B94;
  --border:#E3EAE6;
  --radius-lg:16px;
  --radius-md:10px;
  --radius-pill:999px;
  --shadow:0 2px 8px rgba(14,77,69,0.08);
  --shadow-hover:0 8px 24px rgba(14,77,69,0.16);
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:'Oswald',"Barlow Condensed",sans-serif;
  --space-section:96px;
  --header-h:64px;
}
/* ===== Reset / Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{text-decoration:none;color:inherit;transition:color .2s ease;}
ul,ol{list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;}
input,select,textarea{border:1px solid #ddd;border-radius:8px;padding:10px 14px;width:100%;background:#fff;color:var(--text);}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--primary);}
/* ===== Container ===== */
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
/* ===== Typography ===== */
h1,h2,h3,h4{line-height:1.25;font-weight:800;color:var(--text);}
h1{font-size:44px;font-weight:900;}
h2{font-size:30px;margin-bottom:16px;}
h3{font-size:20px;font-weight:700;}
.section-title{position:relative;padding-bottom:12px;}
.section-title::after{content:"";position:absolute;left:0;bottom:0;width:48px;height:3px;background:var(--accent);border-radius:2px;}
.section-title-center{text-align:center;}
.section-title-center::after{left:50%;transform:translateX(-50%);}
/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-md);
  font-weight:700;
  font-size:16px;
  padding:12px 28px;
  cursor:pointer;
  border:2px solid transparent;
  transition:all .25s ease;
  text-align:center;
  line-height:1.4;
}
.btn-hot{background:var(--hot);color:#fff;box-shadow:0 4px 14px rgba(255,107,44,0.35);}
.btn-hot:hover{background:#FF5917;color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(255,107,44,0.4);}
.btn-outline{background:transparent;border-color:rgba(255,255,255,0.8);color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,0.12);border-color:#fff;color:#fff;}
.btn-dark{background:var(--primary);color:#fff;}
.btn-dark:hover{background:var(--secondary);color:#fff;transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--primary);}
.btn-white:hover{background:var(--accent);color:var(--secondary);transform:translateY(-2px);}
.btn-sm{padding:8px 20px;font-size:14px;}
.btn-full{width:100%;}
.btn-lg{padding:16px 40px;font-size:17px;border-radius:14px;}
/* ===== Header / Nav ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  height:var(--header-h);
  background:rgba(14,77,69,0.95);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  z-index:1000;
  border-bottom:1px solid rgba(255,255,255,0.08);
  transition:all .3s ease;
}
.header-inner{display:flex;align-items:center;height:100%;gap:24px;}
.logo{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.logo-dot{width:8px;height:8px;background:var(--accent);border-radius:50%;display:inline-block;}
.logo-text{font-size:24px;font-weight:700;letter-spacing:-0.02em;color:#fff;line-height:1;}
.logo-text b{font-weight:800;color:#fff;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:24px;}
.nav-link{
  font-size:15px;
  font-weight:600;
  color:rgba(255,255,255,0.85);
  position:relative;
  padding:6px 2px;
  transition:color .2s;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--accent);transition:width .25s ease;
}
.nav-link:hover{color:var(--accent);}
.nav-link:hover::after,.nav-link.active::after{width:100%;}
.nav-link.active{color:var(--accent);}
.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto;}
.badge-hint{
  background:linear-gradient(135deg,#FFB800,#FF6B2C);
  color:#fff;font-size:12px;font-weight:700;
  padding:4px 14px;border-radius:var(--radius-pill);
  letter-spacing:0.04em;
}
.countdown-timer{
  display:flex;align-items:center;gap:6px;
  font-size:13px;color:rgba(255,255,255,0.8);
  white-space:nowrap;
}
.countdown-timer .timer-num{
  font-family:var(--font-num);
  font-weight:600;
  color:var(--accent);
  font-size:16px;
  letter-spacing:0.03em;
}
.header-tools .btn-hot{padding:8px 20px;font-size:14px;}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  background:transparent;
  border:none;
  cursor:pointer;
  position:relative;
  z-index:1002;
  margin-left:auto;
}
.menu-toggle span{
  position:absolute;left:12px;right:12px;height:2px;background:#fff;transition:all .3s;
}
.menu-toggle span:nth-child(1){top:16px;}
.menu-toggle span:nth-child(2){top:22px;}
.menu-toggle span:nth-child(3){top:28px;}
.menu-toggle.open span:nth-child(1){top:22px;transform:rotate(45deg);}
.menu-toggle.open span:nth-child(2){opacity:0;}
.menu-toggle.open span:nth-child(3){top:22px;transform:rotate(-45deg);}
/* Mobile Menu */
.mobile-menu{
  display:none;
  position:fixed;
  top:0;left:0;right:0;bottom:0;
  background:rgba(10,53,47,0.98);
  backdrop-filter:blur(20px);
  z-index:1001;
  padding:80px 32px 32px;
  opacity:0;
  visibility:hidden;
  transition:all .3s ease;
}
.mobile-menu.open{opacity:1;visibility:visible;}
.mobile-menu-inner{display:flex;flex-direction:column;gap:16px;}
.mobile-link{
  font-size:20px;font-weight:600;color:rgba(255,255,255,0.9);
  padding:12px 0;border-bottom:1px solid rgba(255,255,255,0.08);
}
.mobile-link.active{color:var(--accent);}
.mobile-menu .btn{margin-top:16px;}
.mobile-countdown{
  font-family:var(--font-num);
  color:var(--accent);
  font-size:18px;
  margin-bottom:8px;
}
/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:680px;
  display:flex;
  align-items:center;
  padding:calc(var(--header-h) + 60px) 0 60px;
  background:url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,53,47,0.92) 0%,rgba(10,53,47,0.55) 55%,rgba(10,53,47,0.35) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-text{color:#fff;}
.hero-text h1{
  color:#fff;
  font-size:44px;
  line-height:1.15;
  margin-bottom:20px;
  text-shadow:0 2px 12px rgba(0,0,0,0.35);
}
.hero-text h1 .underline{
  position:relative;
  white-space:nowrap;
}
.hero-text h1 .underline::after{
  content:"";
  position:absolute;left:0;right:0;bottom:6px;height:4px;background:var(--accent);border-radius:2px;
}
.hero-subtitle{
  font-size:18px;
  color:rgba(255,255,255,0.85);
  max-width:560px;
  margin-bottom:32px;
  line-height:1.7;
  text-shadow:0 1px 8px rgba(0,0,0,0.3);
}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:36px;}
.hero-trust{
  display:flex;gap:24px;flex-wrap:wrap;
  color:rgba(255,255,255,0.7);
  font-size:14px;
}
.hero-trust span{display:flex;align-items:center;gap:6px;}
.hero-trust i{color:var(--accent);font-size:14px;}
/* Hero Form */
.hero-form-wrap{
  background:#fff;
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:0 12px 40px rgba(0,0,0,0.2);
}
.hero-form-wrap h3{
  font-size:18px;font-weight:700;
  margin-bottom:4px;
}
.hero-form-wrap .form-note{
  font-size:12px;color:var(--text-weak);
  margin-bottom:20px;
}
.hero-form-wrap .form-group{margin-bottom:14px;}
.hero-form-wrap label{
  font-size:13px;font-weight:600;color:var(--text-sub);
  margin-bottom:4px;display:block;
}
.hero-form-wrap select{
  appearance:auto;
}
.hero-form-wrap .btn{margin-top:6px;}
.hero-form-wrap .form-agree{
  font-size:12px;color:var(--text-weak);text-align:center;
  margin-top:12px;
}
/* ===== Section Common ===== */
.section{padding:var(--space-section) 0;}
.section-alt{background:var(--alt-bg);}
.section-white{background:#fff;}
.section-dark{background:var(--secondary);}
.section-head{margin-bottom:48px;}
.section-head .lead{
  font-size:16px;color:var(--text-sub);
  max-width:680px;
  line-height:1.7;
}
/* ===== Feature Cards ===== */
.features-grid{padding-top:8px;}
.feature-card{
  position:relative;
  background:#fff;
  border-radius:var(--radius-lg);
  padding:32px 28px 28px;
  box-shadow:var(--shadow);
  transition:all .3s ease;
  height:100%;
  border:1px solid rgba(227,234,230,0.6);
  overflow:hidden;
}
.feature-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  opacity:0.8;
}
.feature-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.feature-number{
  font-family:var(--font-num);
  font-size:40px;
  font-weight:700;
  color:var(--accent);
  line-height:1;
  margin-bottom:20px;
  display:block;
  letter-spacing:0.02em;
}
.feature-icon{
  width:48px;height:48px;
  margin-bottom:18px;
  color:var(--primary);
  font-size:24px;
  display:flex;align-items:center;justify-content:center;
}
.feature-card h3{font-size:20px;margin-bottom:10px;}
.feature-card p{font-size:14px;color:var(--text-sub);line-height:1.75;margin-bottom:16px;}
.feature-line{
  width:40px;height:2px;background:var(--primary);
  transition:background .3s;
}
.feature-card:hover .feature-line{background:var(--hot);}
/* ===== Scene Section ===== */
.scene-block{padding:48px 0;}
.scene-block+.scene-block{border-top:1px solid var(--border);padding-top:72px;margin-top:24px;}
.scene-tag{
  display:inline-block;
  background:var(--accent);
  color:var(--secondary);
  font-size:12px;
  font-weight:700;
  padding:4px 16px;
  border-radius:var(--radius-pill);
  letter-spacing:0.05em;
  margin-bottom:16px;
  text-transform:uppercase;
}
.scene-text h2{font-size:28px;margin-bottom:16px;}
.scene-text p{font-size:15px;color:var(--text-sub);line-height:1.85;margin-bottom:20px;}
.scene-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--primary);
  font-weight:600;
  font-size:15px;
  transition:gap .2s;
}
.scene-link:hover{gap:14px;color:var(--hot);}
.scene-image{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-hover);
  aspect-ratio:16/8;
  background:var(--alt-bg);
}
.scene-image img{width:100%;height:100%;object-fit:cover;}
.scene-image::after{
  content:"";
  position:absolute;
  inset:12px;
  border:2px solid var(--primary);
  border-radius:12px;
  pointer-events:none;
  opacity:0.6;
}
/* ===== News CMS ===== */
.news-section .section-head{display:flex;align-items:flex-end;justify-content:space-between;}
.news-more-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:15px;
  transition:gap .2s;
}
.news-more-link:hover{gap:12px;color:var(--hot);}
.news-list{background:#fff;border-radius:var(--radius-lg);padding:8px 28px;box-shadow:var(--shadow);}
.news-row{
  border-bottom:1px dashed #dde3de;
}
.news-row:last-child{border-bottom:none;}
.news-row-inner{
  display:flex;align-items:center;gap:24px;
  padding:20px 4px;
  transition:background .2s;
  border-radius:10px;
}
.news-row-inner:hover{background:var(--alt-bg);}
.news-date{
  width:80px;height:80px;flex-shrink:0;
  background:#fff;
  border:1px solid var(--border);
  border-radius:12px;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
}
.news-date .month{font-size:12px;color:var(--text-weak);line-height:1.2;}
.news-date .day{
  font-family:var(--font-num);
  font-size:30px;font-weight:700;
  color:var(--accent);line-height:1.1;
}
.news-info{flex:1;min-width:0;}
.news-info h3{
  font-size:17px;
  font-weight:700;
  margin-bottom:4px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:color .2s;
}
.news-row-inner:hover .news-info h3{color:var(--primary);}
.news-info p{
  font-size:14px;color:var(--text-sub);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;
  line-height:1.6;
}
.news-cat{
  flex-shrink:0;
  background:var(--primary);
  color:#fff;
  font-size:12px;
  padding:4px 14px;
  border-radius:var(--radius-pill);
}
.news-more{
  flex-shrink:0;
  color:var(--primary);
  font-weight:600;
  font-size:14px;
  white-space:nowrap;
}
.news-empty{
  text-align:center;
  padding:60px 20px;
  color:var(--text-weak);
}
.news-empty svg{width:56px;height:56px;margin-bottom:16px;color:var(--text-weak);}
.news-empty .btn{margin-top:16px;}
/* ===== Social Proof ===== */
.proof-section{background:var(--secondary);color:#fff;}
.proof-section .section-title{color:#fff;}
.proof-section .section-title::after{background:var(--accent);}
.stats-row{padding:20px 0 40px;}
.stat-item{text-align:center;padding:20px;}
.stat-number{
  font-family:var(--font-num);
  font-size:56px;
  font-weight:700;
  color:var(--accent);
  line-height:1;
  display:block;
  letter-spacing:0.01em;
}
.stat-label{
  font-size:14px;
  color:rgba(255,255,255,0.7);
  margin-top:8px;
  display:block;
}
.logo-wall{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:32px 56px;
  padding:40px 0;
  border-top:1px solid rgba(255,255,255,0.1);
  border-bottom:1px solid rgba(255,255,255,0.1);
}
.logo-wall-item{
  display:flex;align-items:center;gap:8px;
  color:rgba(255,255,255,0.5);
  font-size:16px;font-weight:600;
  transition:color .3s;
}
.logo-wall-item i{font-size:20px;}
.logo-wall-item:hover{color:rgba(255,255,255,1);}
.testimonials{padding-top:40px;}
.testimonial-card{
  background:#fff;
  border-radius:var(--radius-lg);
  padding:28px;
  height:100%;
  box-shadow:0 4px 20px rgba(0,0,0,0.15);
}
.testimonial-stars{color:#FFB800;font-size:14px;margin-bottom:14px;letter-spacing:2px;}
.testimonial-text{
  font-size:14px;color:var(--text-sub);
  line-height:1.8;margin-bottom:18px;
}
.testimonial-author{
  font-size:13px;color:var(--text-weak);
  border-top:1px solid var(--border);
  padding-top:14px;
}
/* ===== FAQ ===== */
.faq-list{margin-top:20px;}
.faq-item{
  background:#fff;
  border-radius:12px;
  box-shadow:var(--shadow);
  margin-bottom:12px;
  overflow:hidden;
  border:1px solid rgba(227,234,230,0.5);
  transition:box-shadow .3s;
}
.faq-item:hover{box-shadow:var(--shadow-hover);}
.faq-q{
  display:flex;align-items:center;gap:14px;
  padding:20px 24px;
  cursor:pointer;
  font-size:16px;font-weight:700;
  color:var(--text);
}
.faq-q .q-badge{
  width:28px;height:28px;
  background:var(--accent);
  color:var(--secondary);
  border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;
  flex-shrink:0;
}
.faq-q .fa-chevron-down{
  margin-left:auto;
  color:var(--text-weak);
  transition:transform .3s;
}
.faq-item.active .fa-chevron-down{transform:rotate(180deg);}
.faq-a{
  padding:0 24px;
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease,padding .3s ease;
}
.faq-item.active .faq-a{
  max-height:300px;
  padding:4px 24px 20px;
}
.faq-a p{
  font-size:14px;color:var(--text-sub);
  line-height:1.8;
  border-left:3px solid var(--accent);
  padding-left:16px;
}
/* ===== CTA Block ===== */
.cta-block{
  background:linear-gradient(135deg,#FF6B2C 0%,#FF8C4A 100%);
  border-radius:var(--radius-lg);
  padding:56px 48px;
  text-align:center;
  box-shadow:0 14px 40px rgba(255,107,44,0.3);
  position:relative;
  overflow:hidden;
}
.cta-block::before{
  content:"";
  position:absolute;
  top:-40px;right:-40px;
  width:180px;height:180px;
  border-radius:50%;
  background:rgba(255,255,255,0.1);
}
.cta-block::after{
  content:"";
  position:absolute;
  bottom:-60px;left:20px;
  width:160px;height:160px;
  border-radius:50%;
  background:rgba(255,255,255,0.08);
}
.cta-block h2{color:#fff;font-size:32px;margin-bottom:12px;position:relative;z-index:1;}
.cta-block p{color:rgba(255,255,255,0.9);font-size:16px;margin-bottom:28px;position:relative;z-index:1;}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1;}
/* ===== Footer ===== */
.site-footer{
  background:#081F1B;
  color:rgba(255,255,255,0.7);
  padding:64px 0 32px;
  margin-top:96px;
}
.footer-col h4{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:18px;
  position:relative;
  padding-bottom:10px;
}
.footer-col h4::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:24px;height:2px;
  background:var(--accent);
}
.footer-about p{font-size:14px;line-height:1.7;margin:14px 0 20px;color:rgba(255,255,255,0.6);}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,0.25);
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,0.7);
  transition:all .25s;
}
.footer-social a:hover{
  background:var(--accent);
  color:var(--secondary);
  border-color:var(--accent);
}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,0.65);transition:color .2s;}
.footer-links a:hover{color:var(--accent);}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,0.65);
  margin-bottom:12px;
}
.footer-contact i{color:var(--accent);margin-top:4px;width:16px;text-align:center;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);
  margin-top:48px;
  padding-top:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:13px;
  color:rgba(255,255,255,0.45);
}
.footer-bottom a{color:rgba(255,255,255,0.45);transition:color .2s;}
.footer-bottom a:hover{color:var(--accent);}
/* ===== Sticky CTA Bar ===== */
.sticky-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  height:60px;
  background:var(--primary);
  border-top:1px solid rgba(255,255,255,0.15);
  z-index:900;
  display:flex;
  align-items:center;
  box-shadow:0 -4px 20px rgba(0,0,0,0.15);
  transform:translateY(0);
  transition:transform .3s;
}
.sticky-cta.hidden{transform:translateY(100%);}
.sticky-cta .container{display:flex;align-items:center;justify-content:space-between;height:100%;}
.sticky-cta-tagline{
  color:rgba(255,255,255,0.9);
  font-size:14px;
  font-weight:600;
  display:flex;align-items:center;gap:8px;
}
.sticky-cta-tagline i{color:var(--accent);}
.sticky-cta-right{display:flex;align-items:center;gap:16px;}
.sticky-close{
  background:transparent;border:none;color:rgba(255,255,255,0.5);
  font-size:18px;cursor:pointer;
  transition:color .2s;
}
.sticky-close:hover{color:#fff;}
/* ===== Page Padding ===== */
body{padding-bottom:60px;}
/* ===== Foundation Accordion Overrides ===== */
.accordion{border:none;background:transparent;margin:0;}
.accordion-title{
  border:none;background:transparent;
  padding:20px 24px;
  font-size:16px;font-weight:700;color:var(--text);
  display:flex;align-items:center;gap:14px;
  border-radius:12px;
}
.accordion-title:hover{background:#F7FAF8;color:var(--primary);}
.accordion-content{
  border:none;
  padding:0 24px 20px;
  background:transparent;
  font-size:14px;
  color:var(--text-sub);
  line-height:1.8;
  border-radius:0 0 12px 12px;
}
.faq-custom-item{
  background:#fff;
  border-radius:12px;
  box-shadow:var(--shadow);
  margin-bottom:12px;
  overflow:hidden;
  border:1px solid rgba(227,234,230,0.5);
}
.faq-custom-item.is-open{background:#F7FAF8;}
.faq-custom-q{
  display:flex;align-items:center;gap:14px;
  padding:20px 24px;
  cursor:pointer;
  font-size:16px;font-weight:700;
  color:var(--text);
}
.faq-custom-q .q-icon{
  width:28px;height:28px;
  background:var(--accent);color:var(--secondary);
  font-family:var(--font-num);
  font-weight:700;font-size:14px;
  border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.faq-custom-q .fa-chevron-down{margin-left:auto;color:var(--text-weak);transition:transform .3s;}
.faq-custom-item.is-open .fa-chevron-down{transform:rotate(180deg);}
.faq-custom-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-custom-item.is-open .faq-custom-a{max-height:300px;}
.faq-custom-a-inner{
  padding:0 24px 20px 66px;
  font-size:14px;color:var(--text-sub);
  line-height:1.8;
}
@media (max-width:1024px){
  :root{--space-section:72px;}
  .main-nav{display:none;}
  .header-tools .countdown-timer{display:none;}
  .menu-toggle{display:block;}
  .mobile-menu.open{display:block;}
  .hero-text{text-align:center;}
  .hero-subtitle{margin-left:auto;margin-right:auto;}
  .hero-ctas,.hero-trust{justify-content:center;}
  .hero-form-wrap{margin-top:32px;max-width:480px;}
  .hero{margin-left:auto;margin-right:auto;}
  .features-grid .columns{margin-bottom:24px;}
  .stat-number{font-size:44px;}
  .cta-block{padding:44px 28px;}
}
@media (max-width:640px){
  :root{--space-section:64px;--header-h:56px;}
  h1{font-size:32px;}
  h2{font-size:24px;}
  .hero{padding-top:calc(var(--header-h) + 32px);padding-bottom:40px;min-height:auto;}
  .hero-text h1{font-size:32px;}
  .hero-subtitle{font-size:16px;}
  .hero-trust{flex-direction:column;gap:8px;align-items:center;}
  .news-list{padding:8px 16px;}
  .news-row-inner{flex-wrap:wrap;gap:12px;}
  .news-date{width:64px;height:64px;}
  .news-date .day{font-size:22px;}
  .news-info{flex:1 1 100%;order:3;}
  .news-info h3{white-space:normal;}
  .news-info p{-webkit-line-clamp:2;}
  .news-cat{font-size:11px;padding:3px 10px;}
  .news-more{font-size:13px;}
  .logo-wall{gap:20px 32px;}
  .stat-number{font-size:36px;}
  .stat-label{font-size:13px;}
  .cta-block{padding:36px 20px;}
  .cta-block h2{font-size:24px;}
  .sticky-cta-tagline{font-size:12px;}
  .sticky-cta .btn{padding:8px 14px;font-size:13px;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .logo-text{font-size:20px;}
}

/* roulang page: category1 */
:root{
  --primary:#0E4D45;
  --secondary:#0A352F;
  --accent:#D8FF3D;
  --hot:#FF6B2C;
  --hot2:#FF8C4A;
  --bg:#FAF8F4;
  --bg-alt:#EAF0EC;
  --text:#1C1C1C;
  --text-2:#5A6B65;
  --text-3:#8A9B94;
  --border:#E3EAE6;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 2px 8px rgba(14,77,69,0.08);
  --shadow-lg:0 8px 24px rgba(14,77,69,0.16);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow Condensed","Oswald",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-cn);font-size:16px;line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--hot)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.row{max-width:none}
.columns{padding-left:12px;padding-right:12px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:16px;line-height:1;padding:16px 32px;border-radius:var(--radius-sm);border:2px solid transparent;cursor:pointer;transition:all .3s ease;justify-content:center;text-align:center}
.btn-hot{background:var(--hot);color:#fff;box-shadow:0 4px 14px rgba(255,107,44,.3)}
.btn-hot:hover{background:#ff5533;color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(255,107,44,.4)}
.btn-outline{background:transparent;border-color:#fff;color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.15);color:#fff;transform:translateY(-2px)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--secondary);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:12px 24px;font-size:15px}
.btn-lg{padding:18px 40px;font-size:17px}

/* 导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(14,77,69,.96);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 2px 12px rgba(0,0,0,.15);height:64px;transition:background .3s ease}
.site-header.scrolled{background:rgba(14,77,69,.9)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:inline-flex;align-items:center;gap:8px;flex-shrink:0}
.logo-dot{width:8px;height:8px;background:var(--accent);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.logo-text{font-size:22px;font-weight:800;color:#fff;letter-spacing:-.5px}
.logo-text b{font-weight:800;margin-left:4px}
.logo:hover .logo-text{color:var(--accent)}
.main-nav{display:flex;align-items:center;gap:24px}
.nav-link{color:rgba(255,255,255,.85);font-size:15px;font-weight:500;position:relative;padding:6px 2px;transition:color .25s}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:width .3s ease}
.nav-link:hover{color:var(--accent)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--accent);font-weight:600}
.nav-link.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px}
.badge-live{background:linear-gradient(135deg,#FF8C4A,#FF6B2C);color:#fff;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;letter-spacing:.05em}
.countdown{font-family:var(--font-num);font-weight:700;font-size:15px;color:var(--accent);background:rgba(255,255,255,.1);padding:6px 14px;border-radius:999px;white-space:nowrap}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:4px}

/* 分类横幅 */
.cat-hero{position:relative;padding:160px 0 80px;background:linear-gradient(135deg,rgba(10,53,47,.94),rgba(10,53,47,.72)),url(/assets/images/backpic/back-1.webp) center/cover no-repeat;color:#fff}
.cat-hero::before{content:"";position:absolute;bottom:0;left:0;right:0;height:4px;background:var(--accent)}
.cat-hero-inner{position:relative;z-index:2;text-align:center;max-width:820px;margin:0 auto}
.cat-hero-tag{display:inline-block;background:var(--accent);color:var(--secondary);font-size:13px;font-weight:700;padding:6px 16px;border-radius:999px;letter-spacing:.05em;margin-bottom:20px}
.cat-hero h1{font-size:44px;font-weight:900;line-height:1.15;margin-bottom:18px;letter-spacing:-1px}
.cat-hero h1 span{display:inline-block;position:relative}
.cat-hero h1 span::after{content:"";position:absolute;bottom:4px;left:0;right:0;height:4px;background:var(--accent);border-radius:2px;opacity:.85}
.cat-hero p{font-size:18px;color:rgba(255,255,255,.8);line-height:1.8;margin-bottom:32px}
.cat-hero-meta{display:flex;justify-content:center;gap:32px;flex-wrap:wrap;font-size:14px;color:rgba(255,255,255,.7)}
.cat-hero-meta i{color:var(--accent);margin-right:6px}

/* 板块通用 */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:#fff}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-head .sec-tag{display:inline-block;background:var(--accent);color:var(--secondary);font-size:12px;font-weight:700;padding:6px 14px;border-radius:999px;letter-spacing:.06em;margin-bottom:16px}
.section-head h2{font-size:30px;font-weight:800;color:var(--text);line-height:1.3;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--text-2);line-height:1.7}

/* 卡片 */
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:all .35s ease;height:100%;display:flex;flex-direction:column;border:1px solid transparent}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:rgba(216,255,61,.4)}
.card-img{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-img img{transform:scale(1.05)}
.card-body{padding:26px 24px;display:flex;flex-direction:column;flex:1}
.card-body .card-num{font-family:var(--font-num);font-weight:800;font-size:40px;line-height:1;color:var(--accent);margin-bottom:12px;text-shadow:1px 1px 0 rgba(14,77,69,.3)}
.card-body h3{font-size:20px;font-weight:700;margin-bottom:12px;color:var(--text)}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.75;flex:1;margin-bottom:18px}
.card-line{width:40px;height:2px;background:var(--primary);transition:background .3s}
.card:hover .card-line{background:var(--hot)}
.card-link{font-size:15px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;margin-top:16px}
.card-link i{transition:transform .3s}
.card:hover .card-link i{transform:translateX(4px)}

/* 优势区 */
.advantage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.advantage-item{background:var(--bg);border-radius:var(--radius);padding:34px 28px;position:relative;transition:all .3s ease;border:1px solid var(--border)}
.advantage-item:hover{background:#fff;box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.adv-icon{width:56px;height:56px;background:var(--primary);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;margin-bottom:20px;transition:transform .3s}
.advantage-item:hover .adv-icon{transform:rotate(-6deg) scale(1.05)}
.adv-icon.green{background:var(--primary)}
.adv-icon.lime{background:var(--accent);color:var(--secondary)}
.adv-icon.hot{background:var(--hot);color:#fff}
.advantage-item h3{font-size:20px;font-weight:700;margin-bottom:10px}
.advantage-item p{font-size:14px;color:var(--text-2);line-height:1.75}

/* 场景演示 */
.scene-section{padding:80px 0}
.scene-row{display:flex;align-items:center;gap:48px}
.scene-text{flex:0 0 42%;max-width:42%}
.scene-media{flex:0 0 58%;max-width:58%}
.scene-row.reversed{flex-direction:row-reverse}
.scene-label{display:inline-block;background:var(--accent);color:var(--secondary);font-size:12px;font-weight:700;padding:6px 14px;border-radius:999px;letter-spacing:.05em;margin-bottom:16px}
.scene-text h2{font-size:28px;font-weight:800;line-height:1.3;margin-bottom:16px;color:var(--text)}
.scene-text p{font-size:16px;color:var(--text-2);line-height:1.8;margin-bottom:20px}
.scene-link{font-size:15px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.scene-link i{transition:transform .3s}
.scene-link:hover i{transform:translateX(4px)}
.scene-media img{width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:var(--radius);outline:4px solid var(--primary);outline-offset:-4px;box-shadow:var(--shadow-lg)}

/* 流程 */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{background:#fff;border-radius:var(--radius);padding:32px 24px;text-align:center;box-shadow:var(--shadow);position:relative;transition:all .3s ease}
.step-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.step-num{font-family:var(--font-num);font-weight:800;font-size:48px;line-height:1;color:var(--accent);text-shadow:1px 1px 0 rgba(14,77,69,.2);margin-bottom:16px}
.step-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.step-card p{font-size:14px;color:var(--text-2);line-height:1.7}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.accordion{background:transparent;margin:0}
.accordion-item{background:#fff;border-radius:12px;padding:20px 24px;margin-bottom:12px;box-shadow:var(--shadow);border:1px solid transparent;transition:all .3s ease}
.accordion-item:hover{border-color:rgba(216,255,61,.5)}
.accordion-item.is-active{background:var(--bg-alt);box-shadow:var(--shadow-lg)}
.accordion-title{font-size:16px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:12px;padding:0;position:relative}
.accordion-title::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:14px;color:var(--primary);margin-left:auto;transition:transform .3s}
.accordion-item.is-active .accordion-title::after{transform:rotate(180deg);color:var(--hot)}
.accordion-title:hover{color:var(--secondary);background:transparent}
.accordion-title .q-block{width:24px;height:24px;background:var(--accent);border-radius:6px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:var(--secondary);flex-shrink:0}
.accordion-content{padding:16px 0 0 36px;border-top:none;background:transparent;color:var(--text-2);font-size:15px;line-height:1.8}
.accordion-content p{margin-bottom:0}

/* CTA */
.cta-section{padding:96px 0}
.cta-box{background:linear-gradient(135deg,var(--hot) 0%,var(--hot2) 100%);border-radius:var(--radius);padding:56px 48px;text-align:center;position:relative;overflow:hidden}
.cta-box::before{content:"";position:absolute;top:-40px;right:-40px;width:160px;height:160px;background:rgba(255,255,255,.08);border-radius:50%}
.cta-box h2{font-size:30px;font-weight:800;color:#fff;margin-bottom:12px}
.cta-box p{font-size:16px;color:rgba(255,255,255,.9);margin-bottom:32px;line-height:1.7}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-buttons .btn-white{background:#fff;color:var(--primary)}
.cta-buttons .btn-white:hover{background:var(--bg);color:var(--secondary)}
.cta-buttons .btn-ghost{border:2px solid rgba(255,255,255,.8);color:#fff;background:transparent}
.cta-buttons .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* 页脚 */
.site-footer{background:#081F1B;padding:64px 0 32px;color:#fff}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px;position:relative;padding-bottom:8px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--accent)}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.7);font-size:14px;transition:all .25s}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-contact li{color:rgba(255,255,255,.7);font-size:14px;margin-bottom:10px;display:flex;align-items:flex-start;gap:10px}
.footer-contact i{color:var(--accent);margin-top:4px;width:16px;text-align:center}
.footer-about p{color:rgba(255,255,255,.65);font-size:14px;line-height:1.8;margin:16px 0 20px}
.footer-social{display:flex;gap:12px}
.footer-social a{width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.75);font-size:15px;transition:all .3s}
.footer-social a:hover{background:var(--accent);border-color:var(--accent);color:var(--secondary);transform:translateY(-3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;margin-top:48px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:14px;color:rgba(255,255,255,.55)}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:var(--accent)}

/* 底部固定转化条 */
.fixed-bar{position:fixed;bottom:0;left:0;right:0;height:60px;background:var(--primary);border-top:1px solid rgba(255,255,255,.15);z-index:999;display:flex;align-items:center;justify-content:center;padding:0 24px;transform:translateY(0);transition:transform .3s ease}
.fixed-bar.hidden{transform:translateY(100%)}
.fixed-bar-inner{max-width:1200px;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.fixed-bar .fb-text{color:#fff;font-size:14px;font-weight:500;white-space:nowrap}
.fixed-bar .fb-text b{color:var(--accent)}
.fixed-bar .fb-btn{background:var(--hot);color:#fff;font-size:14px;font-weight:700;padding:10px 20px;border-radius:8px;transition:all .3s;white-space:nowrap}
.fixed-bar .fb-btn:hover{background:#ff5533;color:#fff;transform:translateY(-2px)}
.fixed-bar .fb-close{position:absolute;right:12px;top:8px;background:none;border:none;color:rgba(255,255,255,.5);font-size:16px;cursor:pointer;transition:color .3s;line-height:1}
.fixed-bar .fb-close:hover{color:#fff}

/* 返回顶部 */
.to-top{position:fixed;right:24px;bottom:80px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transition:all .3s ease;z-index:998}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--hot)}

/* 响应式 */
@media (max-width:1024px){
  .section{padding:72px 0}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .advantage-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .scene-row{flex-direction:column!important;gap:32px}
  .scene-text{flex:0 0 100%;max-width:100%}
  .scene-media{flex:0 0 100%;max-width:100%}
  .countdown{display:none}
  .nav-toggle{display:inline-flex}
  .main-nav{position:fixed;top:64px;left:0;right:0;background:var(--secondary);flex-direction:column;gap:0;padding:0;transform:translateY(-120%);transition:transform .35s ease;box-shadow:0 8px 24px rgba(0,0,0,.2);max-height:calc(100vh-64px);overflow-y:auto}
  body.nav-open .main-nav{transform:translateY(0)}
  .main-nav .nav-link{width:100%;padding:16px 24px;color:rgba(255,255,255,.85);border-bottom:1px solid rgba(255,255,255,.08);font-size:16px}
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.active{color:var(--accent);background:rgba(216,255,61,.08)}
  .header-actions .btn-hot{display:none}
  body.nav-open .header-actions .btn-hot{display:inline-flex;flex:1}
}
@media (max-width:640px){
  .site-header{height:56px}
  .header-inner{height:56px}
  .logo-text{font-size:20px}
  .cat-hero{padding:120px 0 56px}
  .cat-hero h1{font-size:34px}
  .cat-hero p{font-size:16px}
  .section{padding:64px 0}
  .section-head h2{font-size:24px}
  .section-head p{font-size:15px}
  .grid-cards{grid-template-columns:1fr}
  .advantage-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .scene-text h2{font-size:24px}
  .cta-box{padding:40px 24px}
  .cta-box h2{font-size:24px}
  .cta-buttons{flex-direction:column}
  .cta-buttons .btn{width:100%}
  .fixed-bar{height:56px;padding:0 36px}
  .fixed-bar .fb-text{font-size:13px}
  .fixed-bar .fb-btn{font-size:13px;padding:9px 16px}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* roulang page: article */
/* ============ 设计变量 ============ */
:root {
  --primary: #0E4D45;
  --primary-dark: #0A352F;
  --accent: #D8FF3D;
  --hot: #FF6B2C;
  --bg: #FAF8F4;
  --bg-alt: #EAF0EC;
  --text: #1C1C1C;
  --text-sub: #5A6B65;
  --text-weak: #8A9B94;
  --border: #E3EAE6;
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 8px rgba(14,77,69,0.08);
  --shadow-hover: 0 8px 24px rgba(14,77,69,0.16);
  --font-cn: "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num: "Oswald","Barlow Condensed",sans-serif;
  --header-h: 64px;
}

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

html { scroll-behavior: smooth; }

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

a { color: var(--primary); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--hot); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.row { margin-left: -12px; margin-right: -12px; }
.columns { padding-left: 12px; padding-right: 12px; }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  border: 2px solid transparent;
  transition: all .3s ease;
  white-space: nowrap;
}

.btn-hot {
  background: var(--hot);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255,107,44,.3);
}
.btn-hot:hover { background: #e85a1f; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,107,44,.4); }

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.7);
}
.btn-outline:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.1); }

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }

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

.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-lg { padding: 16px 42px; font-size: 17px; }

/* ============ Header / Nav ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: rgba(14,77,69,.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 999;
  transition: background .4s ease, box-shadow .4s ease;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.site-header.scrolled {
  background: rgba(14,77,69,.9);
  box-shadow: 0 4px 20px rgba(0,0,0,.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  flex-wrap: nowrap;
  gap: 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(216,255,61,.6);
}
.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .01em;
}
.logo-text b {
  font-weight: 800;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  display: inline-block;
  padding: 8px 14px;
  color: rgba(255,255,255,.85);
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  position: relative;
  transition: color .3s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.nav-link:hover { color: var(--accent); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active { color: var(--accent); font-weight: 600; }
.nav-link.active::after { transform: scaleX(1); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.countdown-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,0,0,.18);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-pill);
  padding: 5px 14px;
}
.countdown-label {
  font-size: 12px;
  color: rgba(255,255,255,.75);
  font-weight: 400;
}
.countdown-time {
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .04em;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: rgba(255,255,255,.08);
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all .3s ease;
}

/* ============ 面包屑 ============ */
.article-breadcrumb {
  padding: 96px 0 0;
  background: var(--primary-dark);
}
.breadcrumb-inner {
  padding: 14px 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,.65);
}
.breadcrumb-inner a { color: rgba(255,255,255,.75); }
.breadcrumb-inner a:hover { color: var(--accent); }
.breadcrumb-inner .sep { color: rgba(255,255,255,.35); font-size: 12px; }
.breadcrumb-inner .current {
  color: rgba(255,255,255,.9);
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============ 文章头部 ============ */
.article-header {
  background: linear-gradient(rgba(10,53,47,.96), rgba(10,53,47,.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 48px 0 72px;
  text-align: center;
  position: relative;
}
.article-header::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 120px;
  height: 4px;
  background: var(--accent);
  border-radius: 4px 4px 0 0;
}

.article-cat-tag {
  display: inline-block;
  padding: 6px 18px;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  letter-spacing: .04em;
  margin-bottom: 20px;
}

.article-header h1 {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  line-height: 1.35;
  max-width: 900px;
  margin: 0 auto 24px;
  text-shadow: 0 2px 12px rgba(0,0,0,.35);
  letter-spacing: .01em;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  color: rgba(255,255,255,.7);
  font-size: 14px;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.meta-item i { color: var(--accent); font-size: 14px; }

/* ============ 封面图 ============ */
.article-cover {
  padding: 48px 0 0;
  background: var(--primary-dark);
}
.article-cover .container { max-width: 1080px; }
.article-cover-img {
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 16 / 7;
  background: var(--bg-alt);
  box-shadow: var(--shadow-hover);
  border: 4px solid rgba(216,255,61,.2);
}
.article-cover-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============ 正文阅读区 ============ */
.article-content-wrap {
  padding: 56px 0 32px;
  background: var(--bg);
}

.article-content {
  max-width: 760px;
  margin: 0 auto;
}
.article-content h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  margin: 40px 0 18px;
  line-height: 1.4;
}
.article-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin: 32px 0 14px;
  line-height: 1.4;
}
.article-content p {
  font-size: 17px;
  line-height: 1.9;
  color: #333;
  margin: 0 0 20px;
}
.article-content a { color: var(--primary); font-weight: 600; }
.article-content a:hover { color: var(--hot); }
.article-content ul, .article-content ol {
  margin: 0 0 20px;
  padding-left: 22px;
}
.article-content ul li { list-style: disc; margin-bottom: 8px; line-height: 1.8; }
.article-content ol li { list-style: decimal; margin-bottom: 8px; line-height: 1.8; }
.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--bg-alt);
  padding: 20px 24px;
  border-radius: 0 12px 12px 0;
  margin: 28px 0;
  font-size: 16px;
  color: var(--text-sub);
  font-style: italic;
}
.article-content blockquote p { margin: 0; font-size: 16px; }
.article-content img { border-radius: 12px; margin: 28px 0; }
.article-content table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin: 28px 0;
  font-size: 15px;
}
.article-content table th {
  background: var(--primary);
  color: #fff;
  padding: 12px 16px;
  font-weight: 600;
  text-align: left;
}
.article-content table td {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  color: #444;
}
.article-content table tr:nth-child(even) td { background: #F7FAF8; }
.article-content code {
  background: var(--bg-alt);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 14px;
  font-family: "Courier New", monospace;
}
.article-content pre {
  background: var(--bg-alt);
  border-radius: 12px;
  padding: 20px;
  overflow-x: auto;
  margin: 28px 0;
  border: 1px solid var(--border);
}
.article-content pre code { background: none; padding: 0; }

/* 空文章状态 */
.article-empty {
  text-align: center;
  padding: 80px 24px;
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px dashed var(--border);
}
.article-empty h2 {
  font-size: 24px;
  color: var(--text);
  margin-bottom: 12px;
}
.article-empty p {
  color: var(--text-weak);
  font-size: 15px;
  margin-bottom: 28px;
}

/* ============ 标签行 ============ */
.article-tags {
  max-width: 760px;
  margin: 32px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.article-tag {
  display: inline-block;
  padding: 6px 16px;
  background: #ECEFED;
  color: var(--text-sub);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: all .3s ease;
}
.article-tag:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ============ 相关推荐 ============ */
.article-related {
  padding: 64px 0 72px;
  background: var(--bg-alt);
}
.section-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 36px;
  text-align: center;
  position: relative;
}
.section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: var(--hot);
  border-radius: 3px;
  margin: 12px auto 0;
}

.related-card {
  background: #fff;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .35s ease, box-shadow .35s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.related-card-img {
  display: block;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.related-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.related-card:hover .related-card-img img { transform: scale(1.05); }
.related-card-body {
  padding: 20px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.related-card-body h3 {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}
.related-card-body h3 a { color: var(--text); }
.related-card-body h3 a:hover { color: var(--primary); }
.related-card-date {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--text-weak);
  letter-spacing: .04em;
}

.article-back {
  text-align: center;
  margin-top: 44px;
}

/* ============ Footer ============ */
.site-footer {
  background: #081F1B;
  padding: 64px 0 32px;
  color: rgba(255,255,255,.7);
}
.site-footer .logo-text { color: #fff; }
.site-footer .logo-dot { background: var(--accent); }
.footer-about p {
  font-size: 14px;
  color: rgba(255,255,255,.7);
  margin: 16px 0 20px;
  line-height: 1.8;
  max-width: 320px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.25);
  color: rgba(255,255,255,.7);
  font-size: 14px;
  transition: all .3s ease;
}
.footer-social a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}
.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(--accent);
  border-radius: 2px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: rgba(255,255,255,.7);
  font-size: 14px;
  transition: all .3s ease;
}
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 12px;
  color: rgba(255,255,255,.7);
  line-height: 1.6;
}
.footer-contact i {
  color: var(--accent);
  margin-top: 4px;
  font-size: 13px;
  width: 16px;
  text-align: center;
}
.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}
.footer-bottom a { color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: var(--accent); }

/* ============ 响应式 ============ */
@media (min-width: 1025px) {
  .article-header h1 { font-size: 40px; }
}

@media (max-width: 1024px) {
  .article-header {
    padding: 36px 0 56px;
  }
  .article-header h1 { font-size: 30px; }
  .related-card { margin-bottom: 24px; }
  .article-cover-img { aspect-ratio: 16/8; }
}

@media (max-width: 768px) {
  :root { --header-h: 56px; }
  .header-actions {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--primary-dark);
    padding: 16px 24px 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    border-bottom: 1px solid rgba(255,255,255,.1);
    box-shadow: 0 12px 24px rgba(0,0,0,.3);
  }
  .header-actions.open { display: flex; }
  .header-actions .btn { width: 100%; }
  .countdown-badge {
    justify-content: center;
    padding: 8px 14px;
    background: rgba(255,255,255,.06);
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--primary-dark);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 24px 16px;
    border-bottom: 1px solid rgba(255,255,255,.1);
    box-shadow: 0 12px 24px rgba(0,0,0,.3);
    z-index: 98;
  }
  .main-nav.open { display: flex; }
  .nav-link {
    padding: 12px 8px;
    border-bottom: 1px solid rgba(255,255,255,.06);
    font-size: 16px;
  }
  .nav-link:last-child { border-bottom: none; }
  .nav-link.active { background: rgba(216,255,61,.06); }

  .nav-toggle {
    display: flex;
    order: 3;
  }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .article-breadcrumb { padding-top: 56px; }
  .breadcrumb-inner { font-size: 13px; }
  .article-header { padding: 28px 0 48px; }
  .article-header h1 { font-size: 24px; line-height: 1.4; }
  .article-meta { gap: 12px; font-size: 13px; flex-direction: column; gap: 6px; }
  .article-cover { padding: 24px 0 0; }
  .article-cover-img { aspect-ratio: 16/9; border-radius: 12px; }
  .article-content-wrap { padding: 36px 0 24px; }
  .article-content p { font-size: 16px; line-height: 1.85; }
  .article-content h2 { font-size: 21px; }
  .article-content h3 { font-size: 18px; }
  .article-tags { margin-top: 24px; padding-top: 20px; }
  .article-related { padding: 48px 0 56px; }
  .section-title { font-size: 24px; }
  .related-card { margin-bottom: 20px; }
  .site-footer { padding: 48px 0 24px; }
  .footer-col { margin-bottom: 28px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .header-inner { gap: 8px; }
  .logo-text { font-size: 18px; }
  .article-header h1 { font-size: 20px; }
  .btn { padding: 11px 20px; font-size: 15px; }
  .breadcrumb-inner .current { max-width: 160px; }
}

/* roulang page: category2 */
:root{
  --primary:#0E4D45;
  --secondary:#0A352F;
  --accent:#D8FF3D;
  --hot:#FF6B2C;
  --bg:#FAF8F4;
  --alt-bg:#EAF0EC;
  --dark-bg:#081F1B;
  --ink:#1C1C1C;
  --muted:#5A6B65;
  --light-muted:#8A9B94;
  --border:#E3EAE6;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:0 2px 8px rgba(14,77,69,0.08);
  --shadow-hover:0 8px 24px rgba(14,77,69,0.16);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Oswald","Barlow Condensed","Arial Narrow",sans-serif;
  --space-lg:96px;
  --space-md:64px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;aspect-ratio:auto;object-fit:cover;background:#EAF0EC}
a{color:var(--primary);text-decoration:none}
a:hover,a:focus{outline:2px solid rgba(216,255,61,0.6);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.row{max-width:1200px;margin:0 auto}
.columns{padding-left:12px;padding-right:12px}

/* ===== Header & Nav ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(14,77,69,0.96);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,0.08);
  height:64px;
  transition:background .3s ease;
}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;height:100%;
}
.logo{display:inline-flex;align-items:center;gap:8px;text-decoration:none}
.logo-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);
  flex-shrink:0;
}
.logo-text{
  font-size:22px;font-weight:700;color:#fff;letter-spacing:-0.01em;
}
.logo-text b{
  font-weight:800;color:var(--accent);
}
.main-nav{display:flex;align-items:center;gap:28px;margin:0}
.nav-link{
  color:rgba(255,255,255,0.85);
  font-size:15px;font-weight:600;letter-spacing:0.02em;
  position:relative;padding:6px 2px;
  transition:color .25s ease;
}
.nav-link::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--accent);transition:width .3s ease;border-radius:2px;
}
.nav-link:hover{color:var(--accent)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--accent)}
.nav-link.active::after{width:100%}
.nav-cta{
  display:flex;align-items:center;gap:14px;
}
.countdown-group{
  display:flex;align-items:center;gap:6px;
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.14);
  padding:5px 12px;
  border-radius:var(--radius-pill);
}
.countdown-label{
  font-size:12px;color:rgba(255,255,255,0.75);
  letter-spacing:0.05em;
}
.countdown-time{
  font-family:var(--font-num);
  font-size:16px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.badge-live{
  background:linear-gradient(135deg,#FFB84D,#FF6B2C);
  color:#fff;font-size:12px;font-weight:700;
  padding:4px 12px;border-radius:var(--radius-pill);
  letter-spacing:0.05em;
  box-shadow:0 2px 8px rgba(255,107,44,0.3);
}
.btn-hot{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--hot);color:#fff;
  font-size:14px;font-weight:700;
  padding:9px 22px;
  border-radius:var(--radius-btn);
  transition:all .25s ease;
  border:none;cursor:pointer;
}
.btn-hot:hover{background:#f75e14;transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,107,44,0.35);color:#fff}
.btn-hot:active{transform:translateY(0)}
.burger{
  display:none;flex-direction:column;gap:5px;
  background:none;border:none;cursor:pointer;padding:8px;
}
.burger span{
  width:22px;height:2px;background:#fff;border-radius:2px;transition:all .3s ease;
}
.nav-btn{
  text-decoration:none;
}

/* ===== Hero Banner (分类页横幅) ===== */
.category-hero{
  position:relative;
  background:linear-gradient(100deg, rgba(10,53,47,0.95) 12%, rgba(10,53,47,0.72) 60%, rgba(10,53,47,0.55) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:150px 0 88px;
  margin-top:64px;
  color:#fff;
}
.category-hero::after{
  content:'';
  position:absolute;bottom:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--accent),var(--hot));
}
.category-hero .hero-content{max-width:680px}
.category-hero .hero-tag{
  display:inline-block;
  background:var(--accent);color:var(--secondary);
  font-size:12px;font-weight:700;letter-spacing:0.08em;
  padding:5px 16px;border-radius:var(--radius-pill);
  margin-bottom:18px;
  text-transform:uppercase;
}
.category-hero h1{
  font-size:44px;font-weight:900;line-height:1.2;
  letter-spacing:0.01em;
  text-shadow:0 2px 12px rgba(0,0,0,0.35);
  margin-bottom:16px;
}
.category-hero h1 .underline{
  position:relative;display:inline-block;
}
.category-hero h1 .underline::after{
  content:'';position:absolute;left:0;bottom:2px;width:100%;height:4px;
  background:var(--accent);border-radius:2px;
}
.category-hero .hero-desc{
  font-size:17px;color:rgba(255,255,255,0.85);
  line-height:1.8;max-width:560px;
  margin-bottom:28px;
}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:18px;
  font-size:14px;color:rgba(255,255,255,0.72);
  margin-top:8px;
}
.hero-trust span{display:inline-flex;align-items:center;gap:6px}
.hero-trust i{color:var(--accent);font-size:12px}
.hero-actions{
  display:flex;gap:14px;flex-wrap:wrap;
  margin-top:30px;
}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--hot);color:#fff;
  font-size:16px;font-weight:700;
  padding:13px 30px;
  border-radius:var(--radius-btn);
  transition:all .25s ease;
  border:none;cursor:pointer;
  box-shadow:0 6px 20px rgba(255,107,44,0.35);
}
.btn-primary:hover{
  background:#f75e14;
  transform:translateY(-2px);
  box-shadow:0 10px 28px rgba(255,107,44,0.42);
  color:#fff;
}
.btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:#fff;
  font-size:15px;font-weight:600;
  padding:12px 26px;
  border-radius:var(--radius-btn);
  border:2px solid rgba(255,255,255,0.7);
  transition:all .25s ease;
  cursor:pointer;
}
.btn-outline:hover{
  border-color:var(--accent);color:var(--accent);
  transform:translateY(-2px);
}

/* ===== Section Base ===== */
.section{padding:var(--space-lg) 0}
.section-alt{background:var(--alt-bg)}
.section-white{background:#fff}
.section-head{
  text-align:center;
  margin-bottom:48px;
}
.section-tag{
  display:inline-block;
  background:var(--accent);color:var(--secondary);
  font-size:12px;font-weight:700;letter-spacing:0.1em;
  padding:4px 16px;border-radius:var(--radius-pill);
  margin-bottom:12px;
}
.section-head h2{
  font-size:32px;font-weight:800;color:var(--ink);
  line-height:1.3;
  margin-bottom:10px;
}
.section-head p{
  font-size:16px;color:var(--muted);
  max-width:560px;margin:0 auto;
}

/* ===== 服务卖点卡片 ===== */
.service-cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.service-card{
  background:var(--bg);
  border-radius:var(--radius-card);
  padding:32px 28px 28px;
  position:relative;
  border:1px solid transparent;
  box-shadow:var(--shadow-card);
  transition:all .3s ease;
  overflow:hidden;
}
.service-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-5px);
  border-color:var(--primary);
}
.service-card .card-num{
  font-family:var(--font-num);
  font-size:42px;font-weight:800;
  color:var(--accent);
  position:absolute;top:14px;right:18px;
  line-height:1;
  text-shadow:0 2px 0 rgba(14,77,69,0.1);
}
.service-card .card-icon{
  width:52px;height:52px;
  background:var(--alt-bg);
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);
  font-size:22px;
  margin-bottom:18px;
  transition:all .3s ease;
}
.service-card:hover .card-icon{
  background:var(--primary);color:var(--accent);
}
.service-card h3{
  font-size:20px;font-weight:700;color:var(--ink);
  margin-bottom:10px;
}
.service-card p{
  font-size:14px;color:var(--muted);
  line-height:1.75;
}
.service-card .card-line{
  width:40px;height:2px;background:var(--primary);
  margin-top:18px;transition:all .3s ease;
}
.service-card:hover .card-line{background:var(--hot);width:56px}

/* ===== 服务内容详情 ===== */
.service-detail{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px;
}
.detail-card{
  background:var(--bg);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:all .3s ease;
  border:1px solid transparent;
}
.detail-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
  border-color:rgba(14,77,69,0.2);
}
.detail-card .detail-img{
  aspect-ratio:16/9;
  overflow:hidden;
  position:relative;
}
.detail-card .detail-img img{
  width:100%;height:100%;
  transition:transform .5s ease;
}
.detail-card:hover .detail-img img{
  transform:scale(1.04);
}
.detail-card .detail-img::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(10,53,47,0.35));
  pointer-events:none;
}
.detail-card .detail-body{
  padding:24px 28px 28px;
  flex-grow:1;
  display:flex;
  flex-direction:column;
}
.detail-card .detail-tag{
  display:inline-block;
  background:rgba(14,77,69,0.1);
  color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:0.06em;
  padding:4px 12px;border-radius:var(--radius-pill);
  width:fit-content;
  margin-bottom:12px;
}
.detail-card h3{
  font-size:21px;font-weight:700;color:var(--ink);
  margin-bottom:10px;
}
.detail-card p{
  font-size:14px;color:var(--muted);
  line-height:1.8;
  flex-grow:1;
}
.detail-card .detail-link{
  margin-top:16px;
  font-size:14px;font-weight:600;color:var(--primary);
  display:inline-flex;align-items:center;gap:6px;
  transition:all .25s ease;
}
.detail-card .detail-link:hover{
  color:var(--hot);gap:10px;
}

/* ===== 流程 ===== */
.process-steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.process-step{
  text-align:center;
  padding:28px 20px;
  background:var(--bg);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  position:relative;
  transition:all .3s ease;
}
.process-step:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.process-step .step-num{
  font-family:var(--font-num);
  font-size:36px;font-weight:800;
  color:var(--accent);
  display:block;
  margin-bottom:8px;
  line-height:1;
  text-shadow:0 2px 0 rgba(14,77,69,0.08);
}
.process-step .step-icon{
  width:44px;height:44px;
  background:var(--alt-bg);
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 14px;
  color:var(--primary);
  font-size:18px;
}
.process-step h3{
  font-size:16px;font-weight:700;color:var(--ink);
  margin-bottom:8px;
}
.process-step p{
  font-size:13px;color:var(--muted);
  line-height:1.6;
}

/* ===== FAQ ===== */
.faq-wrap{
  max-width:820px;margin:0 auto;
}
.faq-list{
  display:flex;flex-direction:column;gap:12px;
}
.faq-item{
  background:#fff;
  border-radius:12px;
  box-shadow:var(--shadow-card);
  border:1px solid var(--border);
  overflow:hidden;
  transition:all .3s ease;
}
.faq-item:hover{
  box-shadow:var(--shadow-hover);
}
.faq-item[open]{
  background:#F7FAF8;
}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:12px;
  padding:20px 24px;
  cursor:pointer;
  list-style:none;
  font-size:16px;font-weight:700;color:var(--ink);
  transition:background .25s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{
  background:#F7FAF8;
}
.faq-q{
  width:24px;height:24px;flex-shrink:0;
  background:var(--accent);color:var(--secondary);
  border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;
  line-height:1;
}
.faq-item .faq-a{
  padding:0 24px 20px 60px;
  font-size:14px;color:var(--muted);
  line-height:1.8;
}

/* ===== CTA ===== */
.cta-section{
  background:linear-gradient(135deg,#FF6B2C 0%,#FF8C4A 60%,#FFB347 100%);
  border-radius:var(--radius-card);
  padding:56px 48px;
  text-align:center;
  position:relative;
  overflow:hidden;
  margin:var(--space-lg) 0;
}
.cta-section::before{
  content:'';position:absolute;top:-30px;right:-30px;
  width:140px;height:140px;
  background:rgba(255,255,255,0.1);
  border-radius:50%;
}
.cta-section::after{
  content:'';position:absolute;bottom:-40px;left:-20px;
  width:90px;height:90px;
  border:3px solid rgba(255,255,255,0.15);
  border-radius:50%;
}
.cta-section h2{
  font-size:30px;font-weight:800;color:#fff;
  margin-bottom:10px;
  position:relative;z-index:1;
}
.cta-section p{
  font-size:16px;color:rgba(255,255,255,0.9);
  margin-bottom:26px;
  position:relative;z-index:1;
}
.cta-actions{
  display:flex;gap:14px;justify-content:center;
  flex-wrap:wrap;
  position:relative;z-index:1;
}
.btn-white{
  background:#fff;color:var(--primary);
  font-size:15px;font-weight:700;
  padding:12px 30px;
  border-radius:var(--radius-btn);
  transition:all .25s ease;
  display:inline-flex;align-items:center;gap:8px;
  border:none;cursor:pointer;
}
.btn-white:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(0,0,0,0.15);
  color:var(--primary);
}
.btn-ghost-white{
  background:transparent;color:#fff;
  border:2px solid rgba(255,255,255,0.8);
  font-size:15px;font-weight:600;
  padding:12px 28px;
  border-radius:var(--radius-btn);
  transition:all .25s ease;
  display:inline-flex;align-items:center;gap:8px;
  cursor:pointer;
  text-decoration:none;
}
.btn-ghost-white:hover{
  border-color:#fff;color:#fff;
  background:rgba(255,255,255,0.1);
  transform:translateY(-2px);
}

/* ===== Footer ===== */
.site-footer{
  background:var(--dark-bg);
  color:rgba(255,255,255,0.75);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-col{margin-bottom:20px}
.footer-about .logo{margin-bottom:14px}
.footer-about p{
  font-size:14px;line-height:1.75;
  color:rgba(255,255,255,0.6);
  margin-bottom:16px;
}
.footer-social{
  display:flex;gap:10px;
}
.footer-social a{
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,0.2);
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,0.7);
  font-size:14px;
  transition:all .25s ease;
}
.footer-social a:hover{
  border-color:var(--accent);
  color:var(--accent);
  transform:translateY(-2px);
}
.site-footer h4{
  font-size:15px;font-weight:700;color:#fff;
  margin-bottom:16px;
  letter-spacing:0.05em;
}
.footer-links{
  list-style:none;margin:0;
}
.footer-links li{margin-bottom:8px}
.footer-links a{
  color:rgba(255,255,255,0.65);
  font-size:14px;
  transition:all .2s ease;
}
.footer-links a:hover{
  color:var(--accent);
  padding-left:4px;
}
.footer-contact{
  list-style:none;margin:0;
}
.footer-contact li{
  font-size:14px;
  color:rgba(255,255,255,0.65);
  margin-bottom:10px;
  display:flex;align-items:flex-start;gap:8px;
}
.footer-contact i{
  color:var(--accent);
  margin-top:4px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);
  padding-top:22px;
  margin-top:24px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,0.45);
}
.footer-bottom a{
  color:rgba(255,255,255,0.5);
}
.footer-bottom a:hover{
  color:var(--accent);
}

/* ===== 固定转化条 ===== */
.fixed-bar{
  position:fixed;bottom:0;left:0;right:0;z-index:900;
  background:var(--primary);
  border-top:1px solid rgba(255,255,255,0.15);
  padding:10px 0;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:18px;
  min-height:60px;
  box-shadow:0 -4px 20px rgba(0,0,0,0.15);
}
.fixed-bar .bar-text{
  color:rgba(255,255,255,0.9);
  font-size:14px;
  font-weight:600;
  letter-spacing:0.02em;
}
.fixed-bar .bar-text b{
  color:var(--accent);
}
.bar-btn{
  background:var(--hot);
  color:#fff;
  font-size:14px;
  font-weight:700;
  padding:9px 24px;
  border-radius:var(--radius-btn);
  display:inline-flex;align-items:center;gap:6px;
  cursor:pointer;
  transition:all .25s ease;
  border:none;
  text-decoration:none;
}
.bar-btn:hover{
  background:#f75e14;
  transform:translateY(-2px);
  box-shadow:0 6px 14px rgba(255,107,44,0.4);
  color:#fff;
}
.bar-close{
  position:absolute;right:16px;top:50%;
  transform:translateY(-50%);
  background:rgba(255,255,255,0.1);
  border:none;color:rgba(255,255,255,0.6);
  width:24px;height:24px;border-radius:50%;
  cursor:pointer;
  font-size:12px;
  display:flex;align-items:center;justify-content:center;
  transition:all .2s ease;
}
.bar-close:hover{
  color:#fff;
  background:rgba(255,255,255,0.2);
}
body{padding-bottom:60px}

/* ===== 装饰辅助 ===== */
.divider{
  border:0;
  border-top:1px solid var(--border);
  margin:var(--space-lg) 0;
}
.underline-accent{
  width:48px;height:3px;
  background:var(--accent);
  border-radius:2px;
  margin:18px auto 0;
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .service-cards{grid-template-columns:repeat(2,1fr)}
  .service-detail{grid-template-columns:1fr}
  .process-steps{grid-template-columns:repeat(2,1fr)}
  .category-hero h1{font-size:36px}
}
@media (max-width:768px){
  .site-header{height:56px}
  .header-inner{padding:0 16px}
  .main-nav{
    display:none;
    position:fixed;top:56px;left:0;right:0;
    background:var(--primary);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 16px 16px;
    box-shadow:0 8px 30px rgba(0,0,0,0.3);
    z-index:999;
  }
  .main-nav.open{display:flex}
  .nav-link{
    padding:12px 8px;
    border-bottom:1px solid rgba(255,255,255,0.08);
    font-size:15px;
  }
  .nav-link::after{display:none}
  .nav-link.active{color:var(--accent)}
  .nav-cta{display:none}
  .burger{display:flex}
  .category-hero{
    padding:108px 0 56px;
    margin-top:56px;
  }
  .category-hero h1{font-size:30px}
  .category-hero .hero-desc{font-size:15px}
  .section{padding:var(--space-md) 0}
  .section-head h2{font-size:24px}
  .cta-section{padding:40px 24px}
  .cta-section h2{font-size:24px}
  .fixed-bar .bar-text{display:none}
  .fixed-bar{} 
  .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:640px){
  .service-cards{grid-template-columns:1fr}
  .process-steps{grid-template-columns:1fr}
  .category-hero .hero-actions{flex-direction:column}
  .btn-primary,.btn-outline{width:100%;justify-content:center}
  .cta-actions{flex-direction:column}
  .btn-white,.btn-ghost-white{width:100%;justify-content:center}
}

/* roulang page: category3 */
:root{
  --primary:#0E4D45;
  --secondary:#0A352F;
  --accent:#D8FF3D;
  --hot:#FF6B2C;
  --hot-gradient:linear-gradient(135deg,#FF6B2C,#FF8C4A);
  --bg:#FAF8F4;
  --alt-bg:#EAF0EC;
  --text:#1C1C1C;
  --text-secondary:#5A6B65;
  --text-weak:#8A9B94;
  --border:#E3EAE6;
  --card-shadow:0 2px 8px rgba(14,77,69,0.08);
  --card-shadow-hover:0 8px 24px rgba(14,77,69,0.16);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --font-num:'Barlow Condensed','Oswald','Arial Narrow',sans-serif;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --section-space:96px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;aspect-ratio:auto;}
a{text-decoration:none;color:inherit;transition:color .25s ease,border-color .25s ease,background .25s ease,box-shadow .25s ease,transform .25s ease;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--text);}
h1,h2,h3,h4{line-height:1.3;margin:0;}
p{margin:0;}
ul{list-style:none;margin:0;padding:0;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section-pad{padding:var(--section-space) 0;}
@media(max-width:640px){.section-pad{padding:64px 0;}}

/* 导航 */
.main-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(14,77,69,0.93);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,0.08);
  height:64px;
  transition:background .3s ease,box-shadow .3s ease;
}
.main-header.scrolled{
  background:rgba(14,77,69,0.97);
  box-shadow:0 4px 20px rgba(0,0,0,0.2);
}
.main-header .container{
  height:64px;
  display:flex;align-items:center;justify-content:space-between;
  max-width:1280px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-dot{width:8px;height:8px;background:var(--accent);border-radius:50%;display:inline-block;flex-shrink:0;}
.logo-text{font-size:22px;font-weight:400;color:#fff;letter-spacing:0.5px;line-height:1;}
.logo-text b{font-weight:800;color:#fff;margin-left:2px;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  display:inline-block;padding:8px 16px;font-size:15px;font-weight:500;color:rgba(255,255,255,0.85);
  border-radius:6px;position:relative;letter-spacing:0.02em;
}
.nav-link::after{
  content:'';position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.nav-link:hover{color:var(--accent);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--accent);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.header-right{display:flex;align-items:center;gap:14px;}
.nav-badge{
  display:inline-block;padding:4px 12px;font-size:12px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#FFB347,#FF6B2C);border-radius:var(--radius-pill);
  letter-spacing:0.05em;line-height:1.6;
}
.nav-countdown{display:flex;align-items:center;gap:6px;font-size:13px;color:rgba(255,255,255,0.8);}
.nav-countdown .time{
  font-family:var(--font-num);font-weight:700;font-size:18px;color:var(--accent);
  letter-spacing:0.03em;background:rgba(216,255,61,0.1);padding:2px 8px;border-radius:6px;
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:var(--hot);color:#fff;font-size:15px;font-weight:700;
  padding:10px 22px;border-radius:var(--radius-btn);
  box-shadow:0 2px 10px rgba(255,107,44,0.35);
  transition:background .25s,transform .25s,box-shadow .25s;
  white-space:nowrap;
}
.nav-cta:hover{background:#FF5A1F;color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,107,44,0.45);}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:6px;}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:background .3s,transform .3s,opacity .3s;}
.mobile-menu{
  display:none;position:fixed;top:64px;left:0;right:0;background:var(--secondary);
  padding:20px 24px 28px;z-index:999;box-shadow:0 12px 30px rgba(0,0,0,0.25);
}
.mobile-menu.open{display:block;}
.mobile-menu .mobile-countdown{
  display:flex;align-items:center;gap:8px;color:rgba(255,255,255,0.85);font-size:14px;
  padding:12px 0 8px;border-bottom:1px solid rgba(255,255,255,0.1);margin-bottom:8px;
}
.mobile-menu .mobile-countdown .time{font-family:var(--font-num);color:var(--accent);font-weight:700;font-size:20px;}
.mobile-menu .nav-link{display:block;padding:14px 12px;font-size:16px;}
.mobile-menu .nav-link::after{display:none;}
.mobile-menu .nav-cta{display:flex;width:100%;margin-top:12px;justify-content:center;}
@media(max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-right .nav-badge,.header-right .nav-countdown{display:none;}
  .nav-cta{margin-left:0;}
}
@media(max-width:640px){
  .main-header{height:56px;}
  .main-header .container{height:56px;}
  .mobile-menu{top:56px;}
  .logo-text{font-size:19px;}
  .nav-cta{padding:8px 16px;font-size:14px;}
}

/* Hero */
.category-hero{
  position:relative;background:linear-gradient(105deg,rgba(10,53,47,0.92) 0%,rgba(10,53,47,0.55) 60%,rgba(10,53,47,0.35) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:160px 0 90px;color:#fff;margin-top:64px;
}
.category-hero::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--accent);
}
.category-hero .hero-inner{max-width:680px;}
.category-hero .hero-tag{
  display:inline-flex;align-items:center;gap:8px;background:rgba(216,255,61,0.15);
  border:1px solid rgba(216,255,61,0.35);color:var(--accent);
  font-size:13px;font-weight:700;letter-spacing:0.06em;
  padding:6px 16px;border-radius:var(--radius-pill);margin-bottom:24px;text-transform:uppercase;
}
.category-hero h1{
  font-size:52px;font-weight:900;line-height:1.15;margin-bottom:20px;letter-spacing:0.01em;
  text-shadow:0 2px 12px rgba(0,0,0,0.35);
}
.category-hero h1 .underline{
  display:inline-block;border-bottom:4px solid var(--accent);padding-bottom:2px;
}
.category-hero .hero-desc{
  font-size:18px;color:rgba(255,255,255,0.88);line-height:1.75;margin-bottom:32px;max-width:600px;
  text-shadow:0 1px 8px rgba(0,0,0,0.25);
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:16px;padding:14px 30px;border-radius:var(--radius-btn);letter-spacing:0.02em;transition:all .25s ease;}
.btn i{font-size:14px;}
.btn-primary{background:var(--hot);color:#fff;box-shadow:0 4px 16px rgba(255,107,44,0.4);}
.btn-primary:hover{background:#FF5A1F;transform:translateY(-2px);box-shadow:0 8px 28px rgba(255,107,44,0.5);color:#fff;}
.btn-outline{background:transparent;border:2px solid rgba(255,255,255,0.85);color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,0.1);border-color:#fff;transform:translateY(-2px);color:#fff;}
.btn-dark{background:var(--primary);color:#fff;}
.btn-dark:hover{background:var(--secondary);transform:translateY(-2px);box-shadow:0 6px 20px rgba(14,77,69,0.25);}
.hero-trust{display:flex;flex-wrap:wrap;gap:20px;margin-top:36px;font-size:14px;color:rgba(255,255,255,0.72);}
.hero-trust span{display:inline-flex;align-items:center;gap:6px;}
.hero-trust i{color:var(--accent);font-size:13px;}
@media(max-width:640px){
  .category-hero{padding:120px 0 56px;}
  .category-hero h1{font-size:32px;margin-bottom:14px;}
  .category-hero .hero-desc{font-size:15px;margin-bottom:22px;}
  .hero-actions{flex-direction:column;width:100%;}
  .hero-actions .btn{width:100%;justify-content:center;}
  .hero-trust{gap:10px 16px;font-size:13px;}
}

/* 分类导航 */
.category-nav-section{
  background:var(--bg);border-bottom:1px solid var(--border);
  padding:32px 0;
}
.category-nav-section .cat-nav-wrap{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.category-nav-section .cat-label{
  font-size:14px;color:var(--text-weak);font-weight:600;margin-right:6px;
}
.category-nav-section .cat-nav-link{
  display:inline-block;padding:8px 18px;font-size:14px;font-weight:600;color:var(--text-secondary);
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-pill);
  transition:all .25s ease;
}
.category-nav-section .cat-nav-link:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);box-shadow:0 4px 12px rgba(14,77,69,0.1);}
.category-nav-section .cat-nav-link.active{background:var(--primary);color:#fff;border-color:var(--primary);}

/* 板块标题 */
.section-title-wrap{text-align:center;margin-bottom:50px;}
.section-title-wrap .section-tag{
  display:inline-block;background:rgba(216,255,61,0.2);color:var(--primary);
  font-size:12px;font-weight:700;letter-spacing:0.08em;padding:4px 14px;border-radius:var(--radius-pill);
  text-transform:uppercase;margin-bottom:12px;
}
.section-title-wrap h2{font-size:34px;font-weight:800;color:var(--text);line-height:1.3;}
.section-title-wrap .section-subtitle{font-size:15px;color:var(--text-secondary);max-width:520px;margin:12px auto 0;line-height:1.7;}
@media(max-width:640px){
  .section-title-wrap{margin-bottom:32px;}
  .section-title-wrap h2{font-size:25px;}
}

/* 核心优势 */
.features-section{background:var(--bg);}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-card{
  position:relative;background:#fff;border-radius:var(--radius-card);padding:36px 28px 28px;
  box-shadow:var(--card-shadow);border:1px solid var(--border);
  transition:transform .3s ease,box-shadow .3s ease;
  overflow:hidden;
}
.feature-card::after{
  content:'';position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .4s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hover);}
.feature-card:hover::after{transform:scaleX(1);}
.feature-card .feature-num{
  font-family:var(--font-num);font-size:42px;font-weight:800;color:var(--accent);
  position:absolute;top:12px;right:20px;line-height:1;
}
.feature-card .feature-icon{
  width:52px;height:52px;border-radius:12px;background:var(--alt-bg);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
  color:var(--primary);font-size:22px;
}
.feature-card h3{font-size:20px;font-weight:700;margin-bottom:10px;line-height:1.4;}
.feature-card p{font-size:14px;color:var(--text-secondary);line-height:1.7;}
.feature-card .feature-line{width:40px;height:2px;background:var(--primary);margin-top:16px;transition:background .3s;border-radius:2px;}
.feature-card:hover .feature-line{background:var(--hot);}
@media(max-width:1024px){
  .features-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:640px){
  .features-grid{grid-template-columns:1fr;}
  .feature-card{padding:28px 20px 22px;}
}

/* 场景 */
.scene-section{background:var(--alt-bg);}
.scene-section.scene-white{background:#fff;}
.scene-row{
  display:flex;align-items:center;gap:40px;
}
.scene-row+.scene-row{margin-top:60px;padding-top:60px;border-top:1px solid var(--border);}
.scene-text{flex:0 0 42%;max-width:42%;}
.scene-media{flex:0 0 58%;max-width:58%;}
.scene-media .img-wrap{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--card-shadow);aspect-ratio:16/8;
}
.scene-media .img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.scene-media .img-wrap:hover img{transform:scale(1.03);}
.scene-media .img-wrap::after{
  content:'';position:absolute;top:10px;left:10px;right:10px;bottom:10px;
  border:2px solid rgba(216,255,61,0.7);border-radius:calc(var(--radius-card) - 4px);
  pointer-events:none;
}
.scene-tag{
  display:inline-block;background:rgba(216,255,61,0.85);color:var(--secondary);
  font-size:12px;font-weight:800;letter-spacing:0.08em;padding:4px 12px;
  border-radius:4px;margin-bottom:14px;text-transform:uppercase;
}
.scene-text h2{font-size:28px;font-weight:800;line-height:1.35;margin-bottom:14px;}
.scene-text p{font-size:15px;color:var(--text-secondary);line-height:1.75;margin-bottom:18px;}
.scene-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:700;font-size:15px;}
.scene-link:hover{color:var(--hot);gap:10px;}
.scene-link i{font-size:13px;transition:transform .3s;}
.scene-link:hover i{transform:translateX(3px);}
@media(max-width:1024px){
  .scene-row{flex-direction:column;gap:28px;}
  .scene-text,.scene-media{flex:0 0 100%;max-width:100%;}
  .scene-text h2{font-size:24px;}
}
@media(max-width:640px){
  .scene-row+.scene-row{margin-top:40px;padding-top:40px;}
}

/* FAQ */
.faq-section{background:var(--bg);}
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{
  background:#fff;border-radius:12px;padding:0 24px;
  border:1px solid var(--border);margin-bottom:14px;
  box-shadow:var(--card-shadow);overflow:hidden;
  transition:box-shadow .3s ease;
}
.faq-item.open{box-shadow:var(--card-shadow-hover);border-color:var(--primary);}
.faq-question{
  display:flex;align-items:flex-start;gap:14px;padding:20px 0;cursor:pointer;
  font-size:16px;font-weight:700;color:var(--text);user-select:none;
}
.faq-q-badge{
  width:24px;height:24px;background:var(--accent);border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:var(--secondary);flex-shrink:0;margin-top:2px;
}
.faq-question .faq-title{flex:1;}
.faq-toggle{
  width:20px;height:20px;flex-shrink:0;position:relative;margin-top:4px;
}
.faq-toggle::before,.faq-toggle::after{
  content:'';position:absolute;background:var(--primary);border-radius:2px;
  top:50%;left:50%;transform:translate(-50%,-50%);
  width:14px;height:2px;transition:transform .3s ease;
}
.faq-toggle::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item.open .faq-toggle::after{transform:translate(-50%,-50%) rotate(0deg);}
.faq-answer{
  display:none;padding:0 0 20px 38px;font-size:15px;color:var(--text-secondary);line-height:1.8;
}
.faq-item.open .faq-answer{display:block;}
.faq-answer p{margin-bottom:8px;}
.faq-answer p:last-child{margin-bottom:0;}

/* CTA */
.cta-section{padding-bottom:var(--section-space);background:var(--bg);}
.cta-box{
  background:linear-gradient(135deg,#FF6B2C,#FF8C4A);border-radius:var(--radius-card);
  padding:52px 56px;text-align:center;position:relative;overflow:hidden;
}
.cta-box::before{
  content:'';position:absolute;top:-40px;right:-40px;width:160px;height:160px;
  border:20px solid rgba(255,255,255,0.15);border-radius:50%;
}
.cta-box::after{
  content:'';position:absolute;bottom:-60px;left:-40px;width:120px;height:120px;
  border:16px solid rgba(255,255,255,0.08);border-radius:50%;
}
.cta-box h2{color:#fff;font-size:30px;font-weight:800;margin-bottom:10px;position:relative;z-index:1;}
.cta-box p{color:rgba(255,255,255,0.92);font-size:16px;position:relative;z-index:1;margin-bottom:28px;}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-actions .btn-white{background:#fff;color:var(--primary);box-shadow:0 4px 16px rgba(0,0,0,0.12);}
.cta-actions .btn-white:hover{background:var(--secondary);color:var(--accent);transform:translateY(-2px);}
.cta-actions .btn-ghost{background:transparent;border:2px solid rgba(255,255,255,0.9);color:#fff;}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,0.15);color:#fff;transform:translateY(-2px);}
@media(max-width:640px){
  .cta-box{padding:36px 20px;}
  .cta-box h2{font-size:23px;}
  .cta-actions .btn{width:100%;justify-content:center;}
}

/* 数据 */
.stats-section{background:var(--secondary);color:#fff;padding:80px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-block{text-align:center;padding:20px;}
.stat-number{font-family:var(--font-num);font-size:56px;font-weight:800;color:var(--accent);line-height:1.1;}
.stat-label{font-size:14px;color:rgba(255,255,255,0.72);margin-top:8px;letter-spacing:0.03em;}
@media(max-width:1024px){
  .stats-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:640px){
  .stats-section{padding:56px 0;}
  .stat-number{font-size:42px;}
}

/* 页脚 */
.site-footer{background:#081F1B;color:rgba(255,255,255,0.82);padding:64px 0 32px;font-size:14px;}
.site-footer .footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;position:relative;padding-bottom:10px;}
.site-footer .footer-col h4::after{content:'';position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--accent);border-radius:2px;}
.site-footer .footer-col p{color:rgba(255,255,255,0.65);font-size:14px;line-height:1.8;margin-top:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,0.8);transition:color .3s ease;font-size:14px;}
.footer-links a:hover{color:var(--accent);padding-left:4px;}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,0.8);margin-bottom:12px;
  font-size:14px;line-height:1.6;
}
.footer-contact i{color:var(--accent);margin-top:4px;font-size:15px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,0.25);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.75);
  font-size:14px;transition:all .3s ease;
}
.footer-social a:hover{background:var(--accent);border-color:var(--accent);color:var(--secondary);transform:translateY(-2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);margin-top:50px;padding-top:24px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  color:rgba(255,255,255,0.55);font-size:13px;
}
.footer-bottom a{color:rgba(255,255,255,0.7);}
.footer-bottom a:hover{color:var(--accent);}
@media(max-width:640px){
  .site-footer{padding:48px 0 24px;}
  .footer-bottom{flex-direction:column;text-align:center;}
}

/* 底部固定转化条 */
.fixed-bar{
  position:fixed;bottom:0;left:0;right:0;height:60px;
  background:rgba(14,77,69,0.97);backdrop-filter:blur(12px);
  border-top:1px solid rgba(255,255,255,0.15);z-index:1000;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;transform:translateY(100%);transition:transform .4s ease;
}
.fixed-bar.show{transform:translateY(0);}
.fixed-bar-left{
  font-size:15px;font-weight:600;color:#fff;display:flex;align-items:center;gap:10px;
}
.fixed-bar-left .bar-logo-dot{width:6px;height:6px;background:var(--accent);border-radius:50%;}
.fixed-bar-cta{
  display:inline-flex;align-items:center;gap:8px;background:var(--hot);color:#fff;
  font-size:14px;font-weight:700;padding:9px 20px;border-radius:var(--radius-btn);
  transition:background .25s,transform .25s,box-shadow .25s;
}
.fixed-bar-cta:hover{background:#FF5A1F;color:#fff;transform:translateY(-1px);box-shadow:0 4px 16px rgba(255,107,44,0.4);}
.fixed-bar-close{
  position:absolute;top:-26px;right:16px;width:26px;height:26px;border-radius:50% 50% 0 0;
  background:var(--secondary);color:rgba(255,255,255,0.5);border:1px solid rgba(255,255,255,0.15);border-bottom:none;
  display:flex;align-items:center;justify-content:center;font-size:12px;cursor:pointer;
  transition:color .25s ease;
}
.fixed-bar-close:hover{color:#fff;}
@media(max-width:640px){
  .fixed-bar{height:56px;padding:0 16px;}
  .fixed-bar-left{font-size:13px;}
}

/* 页面主容器留出固定条空间 */
body{padding-bottom:0;}
body.has-fixed-bar main{padding-bottom:0;}