/* roulang page: index */
:root{
  --primary:#00d4ff;
  --primary-dark:#009dcc;
  --accent:#ff7a3d;
  --accent-dark:#e85d22;
  --bg:#f4f7fb;
  --bg-deep:#0b1626;
  --bg-card:#ffffff;
  --text-main:#13283b;
  --text-muted:#5c7286;
  --text-light:#a9bdd0;
  --border:#e2e9f2;
  --radius:18px;
  --radius-sm:10px;
  --shadow:0 8px 30px rgba(13,38,69,.08);
  --shadow-hover:0 16px 44px rgba(13,38,69,.14);
  --transition:all .25s ease;
  --font-main:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  background:var(--bg);
  color:var(--text-main);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
ul,ol{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== 顶部信息条 ===== */
.top-info{
  background:var(--bg-deep);
  color:var(--text-light);
  font-size:13px;
  padding:8px 0;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.top-info .grid-x{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between}
.top-domain{color:var(--primary);font-weight:600;letter-spacing:.3px}
.top-tagline{color:#8fa4b8;margin-left:6px}
.top-link{
  color:var(--primary);
  font-weight:600;
  border:1px solid rgba(0,212,255,.35);
  padding:2px 12px;
  border-radius:20px;
  font-size:12px;
  transition:var(--transition);
}
.top-link:hover{background:rgba(0,212,255,.12);border-color:var(--primary)}

/* ===== 主导航 ===== */
.main-header{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:100;
  box-shadow:0 2px 18px rgba(13,38,69,.05);
}
.main-header .grid-x{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:14px 0}
.brand{
  font-size:26px;
  font-weight:800;
  color:var(--text-main);
  letter-spacing:-.2px;
  line-height:1.2;
  position:relative;
  z-index:1;
}
.brand span{
  background:linear-gradient(135deg,var(--primary-dark),var(--primary));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
}
.main-nav a{
  font-size:15px;
  font-weight:600;
  color:var(--text-main);
  position:relative;
  padding:6px 2px;
}
.main-nav a::after{
  content:'';
  position:absolute;
  bottom:0;
  left:0;
  width:0;
  height:2px;
  background:var(--primary);
  border-radius:2px;
  transition:var(--transition);
}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}
.main-nav a.active{color:var(--primary-dark)}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--accent);
  color:#fff;
  padding:9px 20px;
  border-radius:24px;
  font-size:14px;
  font-weight:700;
  box-shadow:0 4px 14px rgba(255,122,61,.3);
  transition:var(--transition);
  border:none;
  margin-left:24px;
}
.nav-cta:hover{
  background:var(--accent-dark);
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(255,122,61,.4);
  color:#fff;
}
.menu-toggle{
  display:none;
  background:transparent;
  border:1px solid var(--border);
  border-radius:8px;
  font-size:20px;
  padding:6px 10px;
  color:var(--text-main);
  cursor:pointer;
}

/* ===== Hero 首屏 ===== */
.hero{
  position:relative;
  background:url('/assets/images/backpic/back-1.png') no-repeat center center/cover;
  padding:110px 0 90px;
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(11,22,38,.88),rgba(6,14,26,.6) 55%,rgba(0,212,255,.18));
  z-index:1;
}
.hero .container{position:relative;z-index:2}
.hero-inner{
  text-align:center;
  max-width:880px;
  margin:0 auto;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#fff;
  background:rgba(0,212,255,.15);
  border:1px solid rgba(0,212,255,.5);
  padding:6px 18px;
  border-radius:30px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.5px;
  margin-bottom:24px;
}
.hero-badge i{color:var(--primary)}
.hero h1{
  color:#fff;
  font-size:52px;
  font-weight:900;
  line-height:1.15;
  letter-spacing:1px;
  margin-bottom:18px;
}
.hero h1 span{
  background:linear-gradient(90deg,var(--primary),#7ce8ff);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-sub{
  color:#c7d6e5;
  font-size:18px;
  max-width:660px;
  margin:0 auto 32px;
  line-height:1.8;
}
.hero-actions{
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:56px;
}
.hero-btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;
  font-weight:700;
  font-size:16px;
  padding:14px 38px;
  border-radius:40px;
  border:none;
  box-shadow:0 8px 24px rgba(0,212,255,.4);
  transition:var(--transition);
}
.hero-btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 14px 34px rgba(0,212,255,.5);
  color:#fff;
}
.hero-btn-secondary{
  background:rgba(255,255,255,.12);
  color:#fff;
  font-weight:600;
  font-size:15px;
  padding:13px 34px;
  border-radius:40px;
  border:1px solid rgba(255,255,255,.4);
  backdrop-filter:blur(6px);
  transition:var(--transition);
}
.hero-btn-secondary:hover{
  background:rgba(255,255,255,.22);
  color:#fff;
  border-color:#fff;
  transform:translateY(-3px);
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  max-width:800px;
  margin:0 auto;
}
.hero-stat{
  background:rgba(255,255,255,.08);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.16);
  border-radius:14px;
  padding:18px 10px;
  text-align:center;
  transition:var(--transition);
}
.hero-stat:hover{background:rgba(255,255,255,.14);transform:translateY(-4px)}
.hero-stat strong{
  display:block;
  color:#fff;
  font-size:26px;
  font-weight:800;
  line-height:1.2;
}
.hero-stat span{color:#a9c3db;font-size:13px}

/* ===== 通用板块 ===== */
.section{padding:90px 0}
.section-alt{background:#fff}
.section-head{
  text-align:center;
  max-width:680px;
  margin:0 auto 56px;
}
.section-head .eyebrow{
  display:inline-block;
  color:var(--primary-dark);
  font-size:13px;
  font-weight:700;
  letter-spacing:2px;
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-head h2{
  font-size:36px;
  font-weight:800;
  line-height:1.3;
  margin-bottom:14px;
  color:var(--text-main);
}
.section-head p{color:var(--text-muted);font-size:16px}

/* ===== 推荐卡片 ===== */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.feature-card{
  background:var(--bg-card);
  border-radius:var(--radius);
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  padding:34px 28px;
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.feature-card::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:3px;
  background:linear-gradient(90deg,var(--primary),transparent);
  opacity:0;
  transition:var(--transition);
}
.feature-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(0,212,255,.35);
}
.feature-card:hover::before{opacity:1}
.feature-icon{
  width:58px;
  height:58px;
  border-radius:15px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,rgba(0,212,255,.12),rgba(0,212,255,.05));
  color:var(--primary-dark);
  font-size:24px;
  margin-bottom:20px;
}
.feature-card h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:10px;
}
.feature-card p{color:var(--text-muted);font-size:14px;line-height:1.7}

/* ===== 介绍区 ===== */
.about-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.about-visual{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-hover);
}
.about-visual img{width:100%;height:100%;object-fit:cover;min-height:300px}
.about-visual::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(11,22,38,.28),transparent 50%);
  pointer-events:none;
}
.about-content .section-head{text-align:left;margin-bottom:24px}
.about-content p{color:var(--text-muted);margin-bottom:18px;font-size:15px}
.about-list{
  margin-top:20px;
}
.about-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:10px 0;
  font-size:15px;
  color:var(--text-main);
}
.about-list li i{
  color:var(--primary-dark);
  font-size:18px;
  margin-top:3px;
  flex-shrink:0;
}

/* ===== 内容/资讯 ===== */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  background:var(--bg-card);
  border-radius:var(--radius);
  border:1px solid var(--border);
  padding:28px;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  height:100%;
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.news-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(0,212,255,.3);
}
.news-cat{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  color:var(--primary-dark);
  background:rgba(0,212,255,.1);
  padding:3px 12px;
  border-radius:20px;
  margin-bottom:14px;
  align-self:flex-start;
}
.news-card h3{
  font-size:17px;
  font-weight:700;
  line-height:1.5;
  margin-bottom:10px;
  color:var(--text-main);
}
.news-card p{
  color:var(--text-muted);
  font-size:14px;
  line-height:1.7;
  flex:1;
  margin-bottom:16px;
}
.news-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-top:1px solid var(--border);
  padding-top:14px;
  font-size:13px;
  color:var(--text-muted);
}
.news-more{color:var(--primary-dark);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.empty-info{
  background:var(--bg-card);
  border-radius:var(--radius);
  border:1px dashed var(--border);
  text-align:center;
  padding:60px 20px;
  color:var(--text-muted);
  font-size:15px;
  grid-column:1/-1;
}

/* ===== 访问流程 ===== */
.steps-section{
  background:var(--bg-deep);
}
.steps-section .section-head h2{color:#fff}
.steps-section .section-head p{color:#8fa4b8}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  counter-reset:step;
}
.step-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);
  padding:32px 24px;
  text-align:center;
  position:relative;
  transition:var(--transition);
  counter-increment:step;
}
.step-card:hover{
  background:rgba(255,255,255,.1);
  transform:translateY(-6px);
  border-color:rgba(0,212,255,.4);
}
.step-num{
  width:54px;
  height:54px;
  margin:0 auto 18px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:20px;
  box-shadow:0 6px 20px rgba(0,212,255,.35);
}
.step-card h3{color:#fff;font-size:17px;margin-bottom:8px}
.step-card p{color:#8fa4b8;font-size:14px;line-height:1.7}

/* ===== 实时状态条 ===== */
.status-band{
  background:#fff;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.status-band .grid-x{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.status-item{
  padding:34px 20px;
  text-align:center;
  border-right:1px solid var(--border);
}
.status-item:last-child{border-right:none}
.status-item .status-dot{
  display:inline-block;
  width:10px;
  height:10px;
  background:#22c55e;
  border-radius:50%;
  margin-right:8px;
  box-shadow:0 0 10px rgba(34,197,94,.6);
  animation:pulse 1.6s infinite;
}
@keyframes pulse{
  0%,100%{transform:scale(1);opacity:1}
  50%{transform:scale(1.4);opacity:.6}
}
.status-item strong{
  font-size:24px;
  font-weight:800;
  color:var(--text-main);
  display:block;
  margin-bottom:4px;
}
.status-item span{color:var(--text-muted);font-size:14px}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:14px;
  margin-bottom:14px;
  overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{border-color:rgba(0,212,255,.3)}
.faq-q{
  padding:20px 24px;
  font-size:16px;
  font-weight:700;
  color:var(--text-main);
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  transition:var(--transition);
  background:transparent;
  border:none;
  width:100%;
  text-align:left;
  font-family:var(--font-main);
}
.faq-q i{
  color:var(--primary-dark);
  transition:var(--transition);
  flex-shrink:0;
}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
  padding:0 24px;
}
.faq-item.open .faq-a{
  max-height:300px;
  padding-bottom:20px;
}
.faq-a p{
  color:var(--text-muted);
  font-size:15px;
  line-height:1.8;
  border-top:1px solid var(--border);
  padding-top:16px;
}

/* ===== CTA 区 ===== */
.cta-band{
  background:linear-gradient(135deg,rgba(11,22,38,.95),rgba(13,38,69,.92)),url('/assets/images/backpic/back-2.png') no-repeat center/cover;
  padding:70px 0;
  text-align:center;
  position:relative;
}
.cta-band h2{
  color:#fff;
  font-size:34px;
  font-weight:800;
  margin-bottom:14px;
}
.cta-band p{color:#a9c3db;font-size:16px;max-width:560px;margin:0 auto 30px}
.cta-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--accent);
  color:#fff;
  padding:15px 44px;
  border-radius:40px;
  font-size:16px;
  font-weight:700;
  box-shadow:0 8px 24px rgba(255,122,61,.4);
  transition:var(--transition);
}
.cta-btn:hover{
  background:var(--accent-dark);
  transform:translateY(-3px);
  box-shadow:0 14px 34px rgba(255,122,61,.5);
  color:#fff;
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--bg-deep);
  color:#8fa4b8;
  padding:60px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{
  font-size:22px;
  font-weight:800;
  color:#fff;
  margin-bottom:12px;
}
.footer-brand span{color:var(--primary)}
.footer-desc{line-height:1.8;color:#7f96aa;margin-bottom:14px;max-width:340px}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
  position:relative;
  padding-bottom:8px;
}
.footer-col h4::after{
  content:'';
  position:absolute;
  bottom:0;
  left:0;
  width:26px;
  height:2px;
  background:var(--primary);
  border-radius:2px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:#7f96aa;transition:var(--transition)}
.footer-col ul a:hover{color:var(--primary);padding-left:4px}
.footer-bottom{
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  color:#5c7286;
  font-size:13px;
}
.footer-bottom .tech-info{color:#4a6076}

/* ===== 移动端响应式 ===== */
@media screen and (max-width:1024px){
  .hero{padding:90px 0}
  .hero h1{font-size:42px}
  .feature-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
}
@media screen and (max-width:768px){
  .top-tagline{display:none}
  .main-header .grid-x{flex-wrap:nowrap}
  .menu-toggle{display:block}
  .main-nav{
    position:fixed;
    top:0;
    right:-100%;
    width:290px;
    height:100vh;
    background:#fff;
    flex-direction:column;
    align-items:flex-start;
    padding:90px 30px 30px;
    gap:18px;
    box-shadow:-10px 0 40px rgba(0,0,0,.15);
    transition:right .35s ease;
    z-index:200;
  }
  .main-nav.open{right:0}
  .nav-cta{display:none}
  .hero{padding:80px 0}
  .hero h1{font-size:34px}
  .hero-sub{font-size:16px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .section{padding:60px 0}
  .section-head h2{font-size:28px}
  .about-block{grid-template-columns:1fr;gap:32px}
  .status-band .grid-x{grid-template-columns:repeat(2,1fr)}
  .status-item{border-bottom:1px solid var(--border);border-right:1px solid var(--border)}
  .status-item:nth-child(2n){border-right:none}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media screen and (max-width:520px){
  .top-info .grid-x{justify-content:center}
  .top-domain{font-size:12px}
  .hero{padding:60px 0}
  .hero h1{font-size:28px}
  .hero-actions .button{width:100%;text-align:center}
  .hero-stats{grid-template-columns:1fr 1fr;gap:10px}
  .hero-stat strong{font-size:20px}
  .feature-grid,.news-grid,.steps-grid{grid-template-columns:1fr}
  .section-head h2{font-size:24px}
  .section{padding:46px 0}
  .cta-band{padding:50px 0}
  .cta-band h2{font-size:26px}
  .brand{font-size:21px}
}

/* roulang page: category1 */
:root {
  --primary: #0f1c2e;
  --primary-light: #1b2f47;
  --accent: #f0b429;
  --accent-hover: #d99e1a;
  --bg: #f4f6fa;
  --surface: #ffffff;
  --text: #1c2530;
  --text-light: #5a6b7b;
  --border: #e3e8ef;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(15, 28, 46, 0.06);
  --shadow-md: 0 8px 30px rgba(15, 28, 46, 0.1);
  --shadow-lg: 0 16px 50px rgba(15, 28, 46, 0.14);
  --space-section: 90px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.2s ease; }
button { font-family: inherit; cursor: pointer; border: none; }
input, textarea, select { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ======== 顶部信息条 ======== */
.top-bar-strip { background: var(--primary); color: rgba(255,255,255,0.85); font-size: 13px; height: 36px; }
.top-bar-inner { display: flex; justify-content: space-between; align-items: center; height: 100%; }
.top-bar-inner i { color: var(--accent); margin-right: 6px; }
.top-bar-right { display: flex; align-items: center; gap: 18px; }
.top-bar-right a { color: rgba(255,255,255,0.9); text-decoration: underline; text-underline-offset: 3px; }
.top-bar-right a:hover { color: var(--accent); }

/* ======== 主导航 ======== */
.site-header { background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.brand-logo { display: flex; align-items: center; gap: 10px; font-size: 24px; font-weight: 800; letter-spacing: -0.5px; }
.brand-logo .logo-text { color: var(--primary); }
.brand-logo .logo-text em { font-style: normal; color: var(--accent); position: relative; }
.brand-logo i { color: var(--accent); font-size: 28px; }
.main-nav { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.main-nav a { display: inline-block; padding: 8px 18px; border-radius: var(--radius-sm); font-weight: 500; font-size: 15px; color: var(--text-light); transition: all 0.2s ease; }
.main-nav a:hover { color: var(--primary); background: rgba(240,180,41,0.12); }
.main-nav a.active { color: var(--primary); background: rgba(240,180,41,0.18); font-weight: 700; }
.header-cta { display: inline-block; background: var(--primary); color: #fff !important; padding: 9px 22px; border-radius: 50px; font-size: 14px; font-weight: 700; transition: all 0.25s ease; }
.header-cta:hover { background: var(--accent); color: var(--primary) !important; transform: translateY(-2px); box-shadow: 0 4px 15px rgba(240,180,41,0.4); }

/* ======== 页面 Hero ======== */
.page-hero { background: linear-gradient(135deg, #0c1626 0%, #152a44 45%, #1e3a5f 100%); color: #fff; padding: 90px 0 100px; position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') no-repeat center center/cover; opacity: 0.3; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(12,22,38,0.75), transparent); }
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 800px; margin: 0 auto; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(240,180,41,0.16); color: var(--accent); border: 1px solid rgba(240,180,41,0.3); padding: 6px 16px; border-radius: 50px; font-size: 13px; font-weight: 600; margin-bottom: 22px; }
.page-hero h1 { font-size: clamp(28px, 4vw, 46px); font-weight: 900; line-height: 1.3; margin-bottom: 18px; color: #fff; }
.page-hero h1 span { color: var(--accent); }
.hero-sub { font-size: 17px; color: rgba(255,255,255,0.85); max-width: 620px; margin: 0 auto 32px; line-height: 1.8; }
.hero-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.breadcrumb { display: flex; justify-content: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 20px; flex-wrap: wrap; }
.breadcrumb a { color: rgba(255,255,255,0.75); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { opacity: 0.5; }

/* ======== 通用按钮 ======== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 30px; border-radius: 50px; font-size: 15px; font-weight: 700; transition: all 0.25s ease; border: 2px solid transparent; }
.btn-primary { background: var(--accent); color: var(--primary); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-3px); box-shadow: 0 10px 25px rgba(240,180,41,0.35); }
.btn-outline { border-color: rgba(255,255,255,0.5); color: #fff; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }
.btn-dark { background: var(--primary); color: #fff !important; }
.btn-dark:hover { background: var(--primary-light); transform: translateY(-3px); box-shadow: 0 10px 28px rgba(15,28,46,0.25); }

/* ======== 通用板块 ======== */
.section { padding: var(--space-section) 0; }
.section-alt { background: var(--surface); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 52px; }
.section-eyebrow { display: inline-block; background: rgba(240,180,41,0.15); color: #b8891a; font-size: 13px; font-weight: 700; letter-spacing: 0.08em; padding: 5px 15px; border-radius: 50px; margin-bottom: 14px; }
.section-head h2 { font-size: clamp(24px, 3.4vw, 36px); font-weight: 800; color: var(--primary); line-height: 1.3; margin-bottom: 14px; }
.section-head p { color: var(--text-light); font-size: 16px; }

/* ======== 概览区 ======== */
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.intro-media { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.intro-media img { width: 100%; height: 420px; object-fit: cover; border-radius: var(--radius); transition: transform 0.4s ease; }
.intro-media:hover img { transform: scale(1.03); }
.intro-media .img-tag { position: absolute; top: 18px; left: 18px; background: rgba(240,180,41,0.92); color: var(--primary); font-size: 13px; font-weight: 700; padding: 4px 14px; border-radius: 50px; }
.intro-content h2 { font-size: clamp(22px, 3vw, 32px); color: var(--primary); font-weight: 800; line-height: 1.35; margin-bottom: 18px; }
.intro-content p { color: var(--text-light); margin-bottom: 16px; font-size: 15.5px; }
.intro-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.intro-tags span { background: var(--bg); border: 1px solid var(--border); padding: 6px 16px; border-radius: 50px; font-size: 14px; color: var(--primary); font-weight: 600; transition: all 0.2s ease; }
.intro-tags span:hover { border-color: var(--accent); background: rgba(240,180,41,0.1); }

/* ======== 专题卡片 ======== */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 18px; }
.info-card { background: var(--surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: all 0.32s ease; display: flex; flex-direction: column; height: 100%; }
.info-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: transparent; }
.info-card-img { position: relative; overflow: hidden; }
.info-card-img img { width: 100%; height: 190px; object-fit: cover; transition: transform 0.4s ease; }
.info-card:hover .info-card-img img { transform: scale(1.06); }
.info-card-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,28,46,0.4), transparent); }
.info-card-body { padding: 26px 22px 24px; display: flex; flex-direction: column; flex-grow: 1; }
.card-icon { width: 46px; height: 46px; background: rgba(240,180,41,0.15); color: #b8891a; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 14px; position: relative; z-index: 1; }
.info-card h3 { font-size: 19px; font-weight: 800; color: var(--primary); margin-bottom: 10px; }
.info-card p { color: var(--text-light); font-size: 14.5px; flex-grow: 1; }
.info-card .card-link { color: var(--primary); font-weight: 700; font-size: 14px; margin-top: 16px; display: inline-flex; gap: 6px; align-items: center; transition: gap 0.2s ease; }
.info-card .card-link:hover { gap: 12px; }

/* ======== 流程时间线 ======== */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 30px; }
.step-item { background: var(--surface); border-radius: var(--radius); padding: 30px 20px; text-align: center; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: all 0.3s ease; position: relative; }
.step-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.step-num { width: 54px; height: 54px; margin: 0 auto 14px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 800; }
.step-item:nth-child(even) .step-num { background: var(--accent); color: var(--primary); }
.step-item h3 { font-size: 16px; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
.step-item p { font-size: 13.5px; color: var(--text-light); }
.step-item .step-arrow { position: absolute; right: -12px; top: 50%; transform: translateY(-50%); color: var(--border); font-size: 20px; z-index: 2; display: none; }
@media(min-width: 640px) { .step-item:not(:last-child) .step-arrow { display: block; } }

/* ======== 数据面板 ======== */
.stats-band { background: var(--primary); padding: 64px 0; color: #fff; position: relative; overflow: hidden; }
.stats-band::before { content: ""; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') no-repeat center center/cover; opacity: 0.18; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; position: relative; z-index: 1; }
.stat-item .stat-num { font-size: clamp(30px, 4vw, 48px); font-weight: 900; color: var(--accent); line-height: 1.2; }
.stat-item .stat-label { font-size: 15px; color: rgba(255,255,255,0.75); margin-top: 6px; }
.stat-item .stat-note { font-size: 13px; color: rgba(255,255,255,0.45); }

/* ======== 重点内容图文列表 ======== */
.special-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.special-card { display: flex; gap: 20px; background: var(--surface); border-radius: var(--radius); padding: 24px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: all 0.3s ease; align-items: flex-start; }
.special-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: rgba(240,180,41,0.5); }
.special-icon { width: 52px; height: 52px; min-width: 52px; background: rgba(15,28,46,0.08); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 22px; color: var(--primary); }
.special-card:nth-child(even) .special-icon { background: rgba(240,180,41,0.15); color: #b8891a; }
.special-card h4 { font-size: 17px; font-weight: 800; color: var(--primary); margin-bottom: 6px; }
.special-card p { font-size: 14px; color: var(--text-light); }

/* ======== FAQ ======== */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; transition: all 0.25s ease; }
.faq-item:hover { border-color: rgba(240,180,41,0.5); box-shadow: var(--shadow-sm); }
.faq-q { padding: 20px 24px; display: flex; align-items: center; gap: 14px; cursor: pointer; }
.faq-q .faq-icon { width: 30px; height: 30px; min-width: 30px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; }
.faq-q h3 { font-size: 15.5px; font-weight: 700; color: var(--primary); margin: 0; }
.faq-a { padding: 0 24px 20px 68px; color: var(--text-light); font-size: 14.5px; display: none; }
.faq-item.open .faq-a { display: block; }
.faq-item.open .faq-q .faq-icon { background: var(--accent); color: var(--primary); transform: rotate(45deg); transition: transform 0.3s ease; }
.faq-item .faq-q .faq-icon { transition: all 0.3s ease; }

/* ======== CTA ======== */
.cta-section { padding: 80px 0; }
.cta-wrapper { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); border-radius: var(--radius); padding: 58px 40px; text-align: center; color: #fff; position: relative; overflow: hidden; box-shadow: var(--shadow-lg); }
.cta-wrapper::before { content: ""; position: absolute; right: -60px; bottom: -60px; width: 220px; height: 220px; background: rgba(240,180,41,0.2); border-radius: 50%; }
.cta-wrapper::after { content: ""; position: absolute; left: -50px; top: -50px; width: 160px; height: 160px; background: rgba(255,255,255,0.06); border-radius: 50%; }
.cta-wrapper h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 900; color: #fff; margin-bottom: 14px; position: relative; z-index: 1; }
.cta-wrapper p { font-size: 16px; color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 28px; position: relative; z-index: 1; }
.cta-wrapper .btn { position: relative; z-index: 1; }

/* ======== 页脚 ======== */
.site-footer { background: #0b1420; color: rgba(255,255,255,0.7); padding: 48px 0 0; position: relative; overflow: hidden; }
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--accent), var(--primary-light), var(--accent)); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 32px; }
.footer-brand { display: flex; font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.footer-brand span { color: var(--accent); margin-left: 2px; }
.footer-desc { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); max-width: 360px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 14px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; font-size: 14px; }
.footer-col a { color: rgba(255,255,255,0.6); transition: all 0.2s ease; }
.footer-col a:hover { color: var(--accent); }
.footer-col li span { color: rgba(255,255,255,0.45); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 18px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13px; color: rgba(255,255,255,0.45); }
.footer-bottom .tech-info { font-size: 12px; }

/* ======== 响应式 ======== */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 30px; }
  .intro-grid { grid-template-columns: 1fr; gap: 30px; }
  .special-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --space-section: 60px; }
  .header-inner { flex-wrap: wrap; height: auto; padding: 14px 0; gap: 12px; }
  .brand-logo { width: 100%; justify-content: space-between; }
  .main-nav { margin-left: 0; width: 100%; justify-content: flex-start; overflow-x: auto; }
  .main-nav a { white-space: nowrap; }
  .header-cta { display: none; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .cards-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .cta-wrapper { padding: 40px 22px; }
  .intro-media img { height: 280px; }
}
@media (max-width: 520px) {
  .top-bar-right { display: none; }
  .top-bar-inner { text-align: center; font-size: 12px; }
  .page-hero { padding: 60px 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .special-card { flex-direction: column; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: article */
:root {
  --primary: #f59e0b;
  --primary-dark: #d97706;
  --primary-light: #fbbf24;
  --accent: #06b6d4;
  --dark-bg: #0e1526;
  --dark-bg-2: #111c2e;
  --card-bg: #ffffff;
  --light-bg: #f4f7fb;
  --text-dark: #0f172a;
  --text-body: #3c4a5c;
  --text-light: #718096;
  --text-white: #f1f5f9;
  --border: #e2e8f0;
  --radius: 10px;
  --radius-lg: 18px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
  --shadow-md: 0 6px 24px rgba(0,0,0,.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,.10);
  --transition: all .3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.7;background:var(--light-bg);color:var(--text-dark);-webkit-font-smoothing:antialiased}
a{color:var(--primary-dark);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary)}
img{max-width:100%;display:block}
ul{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.grid-container{padding-left:24px;padding-right:24px;max-width:1200px}

/* ===== 顶部信息条 ===== */
.top-info-bar{background:var(--dark-bg);color:#cbd5e1;font-size:.8rem;border-bottom:1px solid rgba(255,255,255,.06)}
.top-bar-inner{display:flex;align-items:center;justify-content:space-between;min-height:38px;flex-wrap:wrap;gap:8px}
.top-bar-item{display:flex;align-items:center;gap:6px}
.top-bar-item i{color:var(--primary);font-size:.75rem}
.top-bar-cta{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#0e1526;font-weight:700;font-size:.78rem;padding:4px 14px;border-radius:999px;display:inline-flex;align-items:center;gap:5px;transition:var(--transition)}
.top-bar-cta:hover{transform:translateX(2px);color:#0e1526;box-shadow:0 0 16px rgba(245,158,11,.4)}
.top-bar-cta i{font-size:.7rem}

/* ===== 主导航 ===== */
.main-nav-wrap{background:rgba(14,21,38,.97);backdrop-filter:blur(8px);position:sticky;top:0;z-index:1000;box-shadow:0 2px 14px rgba(0,0,0,.25)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;position:relative}
.brand-logo{font-size:1.4rem;font-weight:800;color:#fff;display:flex;align-items:baseline;gap:4px;letter-spacing:1px}
.brand-logo span{color:var(--primary);font-weight:700}
.brand-logo:hover{color:#fff;opacity:.92}
.main-nav{display:flex;align-items:center;gap:8px}
.main-nav a{color:#cbd5e1;font-size:.92rem;font-weight:500;padding:8px 16px;border-radius:999px;transition:var(--transition)}
.main-nav a:hover{color:var(--primary);background:rgba(245,158,11,.10)}
.main-nav a.active{color:#0e1526;background:linear-gradient(135deg,var(--primary),var(--primary-dark));font-weight:700;box-shadow:0 2px 12px rgba(245,158,11,.35)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;width:42px;height:42px;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:var(--transition)}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(4px,4px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(4px,-4px)}

/* ===== 文章 Hero ===== */
.article-hero{position:relative;background-size:cover;background-position:center;background-repeat:no-repeat;min-height:360px;display:flex;align-items:flex-end}
.article-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,21,38,.72) 0%,rgba(14,21,38,.45) 40%,rgba(14,21,38,.86) 100%)}
.article-hero-overlay{position:relative;z-index:2;width:100%;padding:70px 0 44px}
.breadcrumb{display:flex;align-items:center;gap:7px;font-size:.83rem;color:#94a3b8;margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:#cbd5e1}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{color:#64748b}
.hero-tag{margin-bottom:14px}
.article-hero h1{color:#fff;font-size:clamp(1.55rem,3vw,2.5rem);font-weight:800;line-height:1.3;max-width:860px;margin-bottom:16px}
.hero-meta{display:flex;align-items:center;gap:18px;color:#cbd5e1;font-size:.85rem;flex-wrap:wrap}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta i{color:var(--primary)}

/* ===== 文章主体 ===== */
.article-main{position:relative;z-index:3;margin-top:-24px;padding-bottom:50px}
.article-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:clamp(24px,4vw,44px);border:1px solid rgba(255,255,255,.6)}
.article-body{font-size:1rem;color:var(--text-body);line-height:1.9}
.article-body p{margin-bottom:1.35rem}
.article-body h2{font-size:1.55rem;font-weight:700;color:var(--text-dark);margin:2rem 0 1rem;padding-left:12px;border-left:4px solid var(--primary)}
.article-body h3{font-size:1.22rem;font-weight:700;color:var(--text-dark);margin:1.6rem 0 .8rem}
.article-body h4{font-size:1.05rem;font-weight:600;color:var(--text-dark);margin:1.3rem 0 .6rem}
.article-body ul,.article-body ol{margin:0 0 1.35rem 1.4rem}
.article-body ul li,.article-body ol li{position:relative;margin-bottom:.5rem;padding-left:4px}
.article-body ul li::before{content:'\f058';font-family:'Font Awesome 6 Free';font-weight:400;color:var(--primary);margin-right:8px;font-size:.85rem}
.article-body ol{list-style:decimal}
.article-body ol li::before{content:none}
.article-body img{border-radius:12px;margin:1.5rem 0;box-shadow:var(--shadow-sm)}
.article-body blockquote{border-left:4px solid var(--primary);background:#fffaf0;padding:18px 22px;border-radius:0 10px 10px 0;margin:1.5rem 0;font-style:normal;color:var(--text-body)}
.article-body a{text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--primary-dark)}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px;padding-top:22px;border-top:1px solid var(--border)}
.tag{background:var(--light-bg);border:1px solid var(--border);border-radius:999px;padding:4px 14px;font-size:.8rem;color:var(--text-light);display:inline-flex;align-items:center;gap:5px;transition:var(--transition)}
.tag:hover{border-color:var(--primary);color:var(--primary-dark);background:#fffaf0}
.article-footer-nav{display:flex;justify-content:center;margin-top:30px}
.not-found{text-align:center;padding:56px 10px}
.not-found-icon{width:80px;height:80px;border-radius:50%;background:var(--light-bg);display:flex;align-items:center;justify-content:center;margin:0 auto 22px;font-size:1.7rem;color:var(--primary)}
.not-found h2{font-size:1.6rem;color:var(--text-dark);margin-bottom:10px}
.not-found p{color:var(--text-light);margin-bottom:26px;max-width:420px;margin-left:auto;margin-right:auto}

/* ===== 侧边栏 ===== */
.sidebar{position:sticky;top:88px}
.side-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:26px 24px;margin-bottom:22px;border:1px solid var(--border);transition:var(--transition)}
.side-card:hover{box-shadow:var(--shadow-md);border-color:rgba(245,158,11,.35)}
.side-card h3{font-size:1.02rem;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;color:var(--text-dark)}
.side-card h3::before{content:'';width:4px;height:18px;background:var(--primary);border-radius:2px;display:inline-block}
.side-card-accent{background:linear-gradient(145deg,#0e1526,#1b2338);border:none;color:#fff}
.side-card-accent h3{color:#fff}
.side-card-accent h3::before{background:var(--primary)}
.side-card-accent p{color:#a8b3c7;font-size:.88rem;margin-bottom:16px}
.side-links li{margin-bottom:8px}
.side-links a{display:flex;align-items:center;gap:8px;color:var(--text-body);font-size:.9rem;padding:8px 12px;border-radius:8px;transition:var(--transition);border-left:2px solid transparent}
.side-links a:hover{background:var(--light-bg);color:var(--primary-dark);border-left-color:var(--primary);padding-left:16px}
.side-tip{font-size:.85rem;color:var(--text-light);background:#f0fdf4;border:1px solid #d1fae5;padding:12px 14px;border-radius:8px;margin-bottom:0}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:.92rem;border-radius:999px;padding:10px 22px;cursor:pointer;border:none;transition:var(--transition);text-decoration:none}
.btn:focus-visible{outline:3px solid rgba(245,158,11,.45);outline-offset:2px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#0e1526;box-shadow:0 4px 14px rgba(245,158,11,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(245,158,11,.4);color:#0e1526}
.btn-gold{background:var(--primary);color:#0e1526}
.btn-gold:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(245,158,11,.4);color:#0e1526}
.btn-dark{background:var(--dark-bg);color:#fff}
.btn-dark:hover{background:#1b2338;transform:translateY(-2px);box-shadow:var(--shadow-md);color:#fff}
.btn-white{background:#fff;color:var(--dark-bg)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.18);color:var(--dark-bg)}
.btn-block{display:flex;width:100%}
.btn-lg{padding:13px 32px;font-size:1rem}

/* ===== 信息带 ===== */
.info-band{padding:70px 0;background:#fff}
.section-subtitle{display:inline-block;font-size:.8rem;font-weight:700;color:var(--primary-dark);letter-spacing:2px;text-transform:uppercase;margin-bottom:8px;background:#fffaf0;padding:4px 14px;border-radius:999px;border:1px solid rgba(245,158,11,.25)}
.info-band h2{font-size:clamp(1.4rem,2.5vw,1.9rem);font-weight:800;line-height:1.35;margin-bottom:16px;color:var(--text-dark)}
.info-band p{color:var(--text-body);font-size:.97rem;margin-bottom:20px;line-height:1.8}
.info-img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);object-fit:cover;width:100%;height:320px}
.feature-list{display:flex;flex-direction:column;gap:12px}
.feature-item{display:flex;align-items:center;gap:10px;font-size:.95rem;color:var(--text-dark);font-weight:500;background:var(--light-bg);border-radius:10px;padding:10px 16px;border-left:3px solid var(--primary)}

/* ===== FAQ ===== */
.faq-section{padding:70px 0;background:var(--light-bg)}
.section-head{text-align:center;margin-bottom:44px}
.section-head h2{font-size:clamp(1.4rem,2.5vw,1.9rem);font-weight:800;color:var(--text-dark)}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;margin-bottom:16px;box-shadow:var(--shadow-sm);transition:var(--transition)}
.faq-item:hover{box-shadow:var(--shadow-md);border-color:rgba(245,158,11,.3);transform:translateY(-2px)}
.faq-item h4{font-size:1rem;font-weight:700;color:var(--text-dark);margin-bottom:8px;display:flex;align-items:flex-start;gap:8px}
.faq-item h4::before{content:'\f059';font-family:'Font Awesome 6 Free';font-weight:400;color:var(--primary);font-size:.9rem;margin-top:2px}
.faq-item p{font-size:.9rem;color:var(--text-light);line-height:1.7;margin-bottom:0}

/* ===== CTA ===== */
.cta-section{padding:70px 0;background:var(--dark-bg);position:relative;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center}
.cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(14,21,38,.92),rgba(14,21,38,.72))}
.cta-card{position:relative;z-index:1;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:clamp(28px,4vw,50px);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:24px;background:rgba(255,255,255,.04);backdrop-filter:blur(6px)}
.cta-content h2{font-size:clamp(1.3rem,2.4vw,1.8rem);font-weight:800;color:#fff;margin-bottom:8px}
.cta-content p{color:#a8b3c7;font-size:.92rem;margin-bottom:0}

/* ===== 页脚 ===== */
.site-footer{background:#0a0e1a;color:#8b97ad;padding:60px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand{font-size:1.3rem;font-weight:800;color:#fff;margin-bottom:12px}
.footer-brand span{color:var(--primary)}
.footer-desc{font-size:.88rem;line-height:1.75;color:#8b97ad;max-width:380px}
.footer-col h4{font-size:.95rem;font-weight:700;color:#e2e8f0;margin-bottom:16px;position:relative;padding-bottom:8px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:24px;height:2px;background:var(--primary);border-radius:2px}
.footer-col ul li{margin-bottom:8px}
.footer-col a{color:#8b97ad;font-size:.88rem;transition:var(--transition)}
.footer-col a:hover{color:var(--primary);padding-left:2px}
.footer-col span{display:block;font-size:.88rem;margin-bottom:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.8rem;color:#64748b}
.tech-info{color:#64748b;font-size:.78rem}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .grid-container{padding-left:20px;padding-right:20px}
  .container{padding-left:20px;padding-right:20px}
  .article-main{margin-top:0;padding-top:30px}
  .sidebar{position:static}
}
@media screen and (max-width:768px){
  .top-bar-inner{justify-content:center;padding:6px 0}
  .top-bar-item:first-child{display:none}
  .nav-inner{height:62px}
  .nav-toggle{display:flex}
  .main-nav{position:absolute;top:100%;left:-20px;right:-20px;background:var(--dark-bg-2);flex-direction:column;align-items:stretch;padding:14px 18px;gap:4px;border-radius:0 0 14px 14px;box-shadow:0 14px 30px rgba(0,0,0,.4);display:none;border-top:1px solid rgba(255,255,255,.06)}
  .main-nav.nav-open{display:flex}
  .main-nav a{display:block;text-align:center;padding:11px 16px;border-radius:8px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{justify-content:center;text-align:center}
  .cta-card{flex-direction:column;text-align:center}
  .article-hero{min-height:300px}
  .hero-meta{gap:10px;flex-wrap:wrap}
  .article-card{padding:20px 16px}
}
@media screen and (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .grid-container{padding-left:16px;padding-right:16px}
  .article-hero h1{font-size:1.4rem}
  .article-card{border-radius:14px;padding:18px 14px}
  .article-body{font-size:.94rem;line-height:1.85}
  .article-body h2{font-size:1.3rem;padding-left:10px}
  .faq-item{padding:16px 16px}
  .info-band,.faq-section,.cta-section{padding:52px 0}
  .feature-item{font-size:.85rem;padding:8px 12px}
  .btn-lg{width:100%}
  .tech-info{display:block;width:100%}
}