/* roulang page: index */
:root{
  --primary:#0C6CE0;
  --primary-dark:#0A55B3;
  --primary-soft:rgba(12,108,224,.08);
  --accent:#FF9F1C;
  --accent-dark:#E88A0A;
  --info:#2AA8B8;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --footer:#1F2B46;
  --text:#2D3B4F;
  --muted:#7A8CA8;
  --border:rgba(0,0,0,.04);
  --radius:14px;
  --radius-lg:16px;
  --shadow-sm:0 2px 6px rgba(0,0,0,.04),0 12px 24px rgba(0,0,0,.06);
  --shadow-lg:0 6px 20px rgba(0,0,0,.08),0 24px 48px rgba(0,0,0,.06);
  --transition:.25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.7;color:var(--text);
  background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--primary);text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--primary-dark);}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,textarea{font-family:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section-pad{padding:96px 0;}
.section-head{margin-bottom:48px;}
.section-sub{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--info);background:rgba(42,168,184,.1);border-radius:999px;padding:6px 14px;margin-bottom:14px;letter-spacing:.2px;}
.section-title{font-size:clamp(26px,3vw,36px);font-weight:700;letter-spacing:-.5px;color:var(--text);line-height:1.3;}
.section-desc{font-size:15px;color:var(--muted);max-width:680px;margin-top:12px;line-height:1.8;}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;padding:12px 26px;border-radius:9px;transition:all var(--transition);letter-spacing:.2px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(12,108,224,.28);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 24px rgba(12,108,224,.36);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary:focus{outline:none;box-shadow:0 0 0 3px rgba(12,108,224,.35);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(255,159,28,.3);}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 26px rgba(255,159,28,.4);}
.btn-accent:active{transform:translateY(1px);}
.btn-accent:focus{outline:none;box-shadow:0 0 0 3px rgba(255,159,28,.35);}
.btn-ghost{background:transparent;color:var(--primary);border:1.5px solid var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);}
.btn-ghost:focus{outline:none;box-shadow:0 0 0 3px rgba(12,108,224,.2);}
.btn-sm{padding:8px 18px;font-size:13px;border-radius:8px;}

/* ===== Header Nav ===== */
.site-header{
  position:sticky;top:0;z-index:1000;height:64px;
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.header-inner{max-width:1200px;margin:0 auto;height:64px;padding:0 24px;display:flex;align-items:center;gap:28px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-icon{width:34px;height:34px;border-radius:10px;background:var(--primary);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;}
.logo-text{font-size:18px;font-weight:700;color:var(--text);letter-spacing:-.3px;white-space:nowrap;}
.logo-text span{color:var(--primary);}
.main-nav{display:flex;align-items:center;gap:6px;flex:1;}
.main-nav a{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:#4A5A6F;
  padding:8px 14px;border-radius:999px;transition:all var(--transition);
  white-space:nowrap;
}
.main-nav a i{font-size:13px;opacity:.8;}
.main-nav a:hover{color:var(--primary);background:var(--primary-soft);}
.main-nav a.active{color:var(--primary);background:var(--primary-soft);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.search-box{
  display:flex;align-items:center;background:#F2F5FA;border-radius:999px;
  padding:0 8px 0 14px;height:36px;border:1px solid transparent;transition:all var(--transition);
}
.search-box:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(12,108,224,.12);}
.search-box input{border:none;background:none;outline:none;font-size:13px;color:var(--text);width:130px;}
.search-box input::placeholder{color:var(--muted);}
.search-box i{color:var(--muted);font-size:14px;border-radius:24px;height:32px;width:32px;display:flex;align-items:center;justify-content:center;transition:all var(--transition);}
.search-box:hover i{color:var(--primary);}
.header-link{font-size:14px;font-weight:600;color:var(--text);padding:8px 0;transition:color var(--transition);white-space:nowrap;}
.header-link:hover{color:var(--primary);}
.menu-toggle{display:none;width:38px;height:38px;border-radius:10px;align-items:center;justify-content:center;font-size:18px;color:var(--text);transition:background var(--transition);}
.menu-toggle:hover{background:#F2F5FA;}
.mobile-drawer{
  position:fixed;top:0;right:-320px;width:300px;height:100vh;background:#fff;z-index:1100;
  box-shadow:-8px 0 30px rgba(0,0,0,.12);transition:right .35s ease;padding:80px 28px 28px;
  display:flex;flex-direction:column;gap:6px;
}
.mobile-drawer.open{right:0;}
.drawer-close{position:absolute;top:18px;right:20px;width:36px;height:36px;border-radius:10px;background:#F2F5FA;display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--text);}
.mobile-drawer a{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text);transition:background var(--transition);}
.mobile-drawer a:hover{background:var(--primary-soft);color:var(--primary);}
.mobile-drawer a i{width:20px;color:var(--muted);}
.drawer-divider{height:1px;background:var(--border);margin:16px 0;}
.drawer-cta{display:flex;flex-direction:column;gap:10px;margin-top:auto;}
.drawer-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.4);z-index:1050;opacity:0;visibility:hidden;transition:all .3s;backdrop-filter:blur(2px);}
.drawer-overlay.open{opacity:1;visibility:visible;}

/* ===== Hero ===== */
.hero{
  position:relative;padding:80px 0;min-height:600px;display:flex;align-items:center;overflow:hidden;
  background:url('/assets/images/backpic/back-1.webp') center center/cover no-repeat;
}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(105deg,rgba(245,248,252,.98) 0%,rgba(245,248,252,.94) 45%,rgba(245,248,252,.82) 72%,rgba(245,248,252,.55) 100%);}
.hero::after{content:'';position:absolute;right:-80px;top:-60px;width:300px;height:300px;border-radius:50%;border:36px solid rgba(255,159,28,.08);}
.hero .container{position:relative;z-index:2;width:100%;}
.hero-grid{display:flex;align-items:center;gap:48px;}
.hero-content{flex:1.15;max-width:640px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--primary-soft);
  border:1px solid rgba(12,108,224,.16);color:var(--primary);font-size:13px;font-weight:600;
  padding:6px 16px;border-radius:999px;margin-bottom:20px;letter-spacing:.3px;
}
.hero-badge i{font-size:13px;}
.hero h1{
  font-size:clamp(36px,5vw,54px);font-weight:700;line-height:1.22;color:var(--text);
  letter-spacing:-1px;margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{
  font-size:18px;line-height:1.75;color:#4A5A6F;margin-bottom:30px;max-width:560px;
  font-weight:400;
}
.hero-cta{display:flex;align-items:center;gap:16px;margin-bottom:22px;flex-wrap:wrap;}
.hero-note{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);}
.hero-note span{display:inline-flex;align-items:center;gap:6px;}
.hero-note i{color:var(--info);font-size:12px;}
.hero-visual{flex:.85;position:relative;}
.hero-visual .img-wrap{
  position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg);
  aspect-ratio:4/3;background:#E8EEF6;
}
.hero-visual .img-wrap img{width:100%;height:100%;object-fit:cover;border-radius:20px;}
.live-badge{
  position:absolute;bottom:14px;left:14px;background:rgba(31,43,70,.88);color:#fff;
  font-size:12px;font-weight:500;padding:7px 14px;border-radius:999px;
  display:inline-flex;align-items:center;gap:8px;backdrop-filter:blur(6px);letter-spacing:.3px;
}
.live-badge i{color:#4ADE80;font-size:10px;}
.quick-cards{
  position:absolute;top:-14px;right:-10px;background:rgba(255,255,255,.95);border-radius:12px;
  box-shadow:var(--shadow-sm);padding:10px 16px;font-size:13px;font-weight:600;color:var(--text);
  display:flex;align-items:center;gap:8px;backdrop-filter:blur(8px);border:1px solid var(--border);
}
.quick-cards i{color:var(--accent);}

/* ===== Trust Bar ===== */
.trust-bar{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:18px 0;}
.trust-list{display:flex;justify-content:space-around;align-items:center;gap:16px;flex-wrap:wrap;}
.trust-item{display:flex;align-items:center;gap:12px;padding:6px 10px;}
.trust-item i{font-size:18px;width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.trust-item .t-icon-blue{background:rgba(12,108,224,.1);color:var(--primary);}
.trust-item .t-icon-green{background:rgba(42,168,184,.1);color:var(--info);}
.trust-item .t-icon-amber{background:rgba(255,159,28,.12);color:var(--accent);}
.trust-item .t-icon-red{background:rgba(236,72,113,.08);color:#EC6E83;}
.trust-item .t-text{font-size:14px;font-weight:500;color:var(--text);}
.trust-item .t-sub{font-size:12px;color:var(--muted);}

/* ===== Features ===== */
.features-grid{
  display:grid;grid-template-columns:1fr 1.45fr 1fr;gap:24px;align-items:center;
}
.feat-main{
  background:var(--card);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-sm);
  border:1px solid var(--border);position:relative;overflow:hidden;transition:all var(--transition);
  min-height:380px;display:flex;flex-direction:column;
}
.feat-main:hover{box-shadow:var(--shadow-lg);border-color:rgba(12,108,224,.2);transform:translateY(-3px);}
.feat-main .feat-img{aspect-ratio:16/9;border-radius:12px;overflow:hidden;margin-bottom:24px;background:#EDF1F6;}
.feat-main .feat-img img{width:100%;height:100%;object-fit:cover;}
.feat-main .feat-title{font-size:22px;font-weight:700;color:var(--text);margin-bottom:10px;letter-spacing:-.3px;}
.feat-main .feat-desc{font-size:15px;color:var(--muted);line-height:1.75;margin-bottom:20px;flex:1;}
.feat-main .btn{align-self:flex-start;}
.feat-main .corner-mark{
  position:absolute;top:20px;right:20px;background:var(--primary-soft);color:var(--primary);
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
}
.feat-side{
  display:flex;flex-direction:column;gap:24px;
}
.feat-card{
  background:var(--card);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);
  border:1px solid var(--border);transition:all var(--transition);position:relative;overflow:hidden;
}
.feat-card:hover{box-shadow:var(--shadow-lg);border-color:rgba(12,108,224,.2);transform:translateY(-2px);}
.feat-card .feat-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;}
.feat-card .fi-blue{background:rgba(12,108,224,.1);color:var(--primary);}
.feat-card .fi-cyan{background:rgba(42,168,184,.1);color:var(--info);}
.feat-card .feat-title{font-size:17px;font-weight:600;color:var(--text);margin-bottom:8px;}
.feat-card .feat-desc{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:16px;}
.feat-card .feat-link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}

/* ===== How It Works ===== */
.how-section{background:linear-gradient(180deg,#EEF4FA 0%,#fff 100%);}
.how-step{display:flex;gap:48px;align-items:center;padding:40px 0;}
.how-step:nth-child(even){flex-direction:row-reverse;}
.step-num{
  font-size:64px;font-weight:800;color:transparent;-webkit-text-stroke:2px var(--primary);
  line-height:1;letter-spacing:-2px;flex-shrink:0;opacity:.5;
}
.how-media{flex:.9;background:var(--card);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm);aspect-ratio:16/10;border:1px solid var(--border);}
.how-media img{width:100%;height:100%;object-fit:cover;border-radius:16px;}
.how-content{flex:1;padding:0 24px;}
.how-content h3{font-size:22px;font-weight:700;color:var(--text);margin-bottom:12px;letter-spacing:-.3px;}
.how-content h3 em{color:var(--primary);font-style:normal;}
.how-content p{font-size:15px;line-height:1.8;color:var(--muted);}
.how-tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--info);
  background:rgba(42,168,184,.1);padding:4px 12px;border-radius:999px;margin-bottom:12px;
}
.how-step:nth-child(odd) .how-media{background:var(--footer);}

/* ===== News CMS Section ===== */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.news-card{
  display:flex;background:var(--card);border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:all var(--transition);
}
.news-card:hover{box-shadow:var(--shadow-lg);border-color:rgba(12,108,224,.18);transform:translateY(-2px);}
.news-thumb{width:190px;flex-shrink:0;aspect-ratio:16/10;overflow:hidden;background:#EDF1F6;}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{flex:1;padding:20px 22px;display:flex;flex-direction:column;}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.news-meta .tag{
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);
}
.news-meta .tag-update{background:rgba(42,168,184,.12);color:var(--info);}
.news-meta .tag-hot{background:rgba(255,159,28,.14);color:var(--accent-dark);}
.news-meta .date{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:5px;}
.news-body h3{font-size:16px;font-weight:600;line-height:1.5;color:var(--text);margin-bottom:8px;}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--primary);}
.news-body p{font-size:13px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;}
.read-more{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  color:var(--primary);margin-top:12px;transition:gap var(--transition);
}
.read-more:hover{gap:10px;color:var(--primary-dark);}
.empty-state{
  grid-column:1/-1;height:120px;border:2px dashed rgba(12,108,224,.3);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:14px;
  background:rgba(255,255,255,.5);
}

/* ===== Social Proof ===== */
.social-section{background:var(--footer);color:#fff;}
.social-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center;}
.stats-row{display:flex;flex-direction:column;gap:32px;}
.stat-item{display:flex;align-items:baseline;gap:16px;border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:24px;}
.stat-num{
  font-size:clamp(38px,4vw,54px);font-weight:800;letter-spacing:-1px;
  background:linear-gradient(120deg,#7BB8FF,#FFC46B);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;line-height:1;
}
.stat-label{font-size:14px;color:rgba(255,255,255,.8);}
.stat-desc{font-size:13px;color:rgba(255,255,255,.55);margin-top:4px;}
.testi-wrap{display:flex;flex-direction:column;gap:20px;}
.testi-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);
  padding:24px 26px;backdrop-filter:blur(6px);transition:background var(--transition);
}
.testi-card:hover{background:rgba(255,255,255,.1);}
.testi-stars{color:#FFC46B;font-size:13px;margin-bottom:10px;letter-spacing:2px;}
.testi-quote{font-size:15px;line-height:1.8;color:rgba(255,255,255,.92);margin-bottom:14px;}
.testi-user{display:flex;align-items:center;gap:12px;}
.testi-avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--info));display:flex;align-items:center;justify-content:center;font-size:14px;color:#fff;font-weight:700;}
.testi-name{font-size:14px;font-weight:600;color:rgba(255,255,255,.95);}
.testi-role{font-size:12px;color:rgba(255,255,255,.5);}

/* ===== FAQ ===== */
.faq-wrap{display:grid;grid-template-columns:320px 1fr;gap:56px;}
.faq-left{position:sticky;top:100px;align-self:start;}
.faq-left .section-title{margin-bottom:14px;}
.faq-left p{font-size:14px;color:var(--muted);line-height:1.8;}
.faq-list{display:flex;flex-direction:column;}
.faq-item{
  border-bottom:1px solid #E8EDF4;transition:all var(--transition);
}
.faq-item:first-child{border-top:1px solid #E8EDF4;}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 12px;cursor:pointer;transition:background var(--transition);
}
.faq-question:hover{background:#FAFCFE;}
.faq-q-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.faq-cat{
  font-size:11px;font-weight:600;color:var(--muted);background:#F0F3F8;
  padding:3px 10px;border-radius:999px;white-space:nowrap;
}
.faq-q-text{font-size:15px;font-weight:600;color:var(--text);transition:color var(--transition);}
.faq-item.active .faq-q-text{color:var(--primary);}
.faq-item.active .faq-cat{background:var(--primary-soft);color:var(--primary);}
.faq-icon{
  width:28px;height:28px;border-radius:8px;background:#F0F3F8;display:flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--muted);transition:all var(--transition);flex-shrink:0;
}
.faq-item.active .faq-icon{background:var(--primary);color:#fff;transform:rotate(180deg);}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .4s ease;
}
.faq-answer-inner{padding:0 12px 20px 34px;font-size:14px;color:var(--muted);line-height:1.85;}
.faq-item.active .faq-answer{max-height:400px;}
.faq-item.active{border-left:2px solid var(--primary);}

/* ===== Final CTA ===== */
.final-cta{
  position:relative;background:linear-gradient(135deg,#1F2B46 0%,#243455 60%,#2A3B5E 100%);
  padding:80px 0;text-align:center;overflow:hidden;
}
.final-cta::before{
  content:'';position:absolute;right:10%;top:-40px;width:200px;height:200px;border-radius:50%;
  border:28px solid rgba(255,255,255,.04);
}
.final-cta::after{
  content:'';position:absolute;left:6%;bottom:-30px;width:120px;height:120px;border-radius:50%;
  background:rgba(255,159,28,.08);
}
.final-cta .container{position:relative;z-index:2;}
.final-cta h2{font-size:clamp(28px,3.5vw,42px);font-weight:700;color:#fff;letter-spacing:-.5px;margin-bottom:16px;}
.final-cta p{font-size:16px;color:rgba(255,255,255,.7);max-width:520px;margin:0 auto 32px;line-height:1.8;}
.final-cta .btn-accent{font-size:16px;padding:14px 36px;}
.final-cta .note{font-size:13px;color:rgba(255,255,255,.5);margin-top:20px;display:flex;align-items:center;justify-content:center;gap:8px;}

/* ===== Footer ===== */
.site-footer{background:var(--footer);color:rgba(255,255,255,.85);padding:60px 0 0;}
.footer-grid{display:grid;grid-template-columns:3fr 2fr 2fr 3fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo-text{color:#fff;margin-bottom:14px;}
.footer-brand .logo-text span{color:#7BB8FF;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.3px;}
.footer-col a{
  display:block;font-size:14px;color:rgba(255,255,255,.65);padding:5px 0;
  transition:all var(--transition);
}
.footer-col a:hover{color:#fff;padding-left:4px;}
.footer-col a i{font-size:11px;margin-right:6px;opacity:.6;}
.footer-service .svc-item{display:flex;gap:12px;font-size:13px;color:rgba(255,255,255,.65);padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid rgba(255,255,255,.07);}
.footer-service .svc-item i{color:#7BB8FF;margin-top:3px;font-size:14px;}
.footer-service .svc-item:last-child{border-bottom:none;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.4);}
.footer-bottom a{color:rgba(255,255,255,.5);}
.footer-bottom a:hover{color:#fff;}

/* ===== Floating CTA ===== */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:900;background:var(--card);
  border-radius:14px;box-shadow:var(--shadow-lg);padding:18px 22px;width:300px;
  display:flex;flex-direction:column;gap:12px;border:1px solid var(--border);
  transition:all .3s ease;transform:translateY(0);opacity:1;
}
.float-cta.hidden{transform:translateY(140%);opacity:0;pointer-events:none;}
.float-cta .fc-head{display:flex;align-items:center;justify-content:space-between;}
.float-cta .fc-title{font-size:14px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:8px;}
.float-cta .fc-title i{color:var(--accent);}
.float-cta .fc-close{width:24px;height:24px;border-radius:6px;background:#F2F5FA;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--muted);transition:all var(--transition);}
.float-cta .fc-close:hover{background:#FFEFD6;color:var(--accent);}
.float-cta .btn{width:100%;padding:10px;font-size:14px;}
.float-cta .fc-note{font-size:11px;color:var(--muted);text-align:center;}
.mobile-cta-bar{
  position:fixed;bottom:0;left:0;width:100%;height:52px;background:#fff;
  border-top:1px solid rgba(0,0,0,.1);z-index:950;display:none;
  align-items:center;justify-content:space-between;padding:0 16px;
  box-shadow:0 -2px 20px rgba(0,0,0,.05);
}
.mobile-cta-bar .mc-text{font-size:14px;font-weight:600;color:var(--text);display:flex;align-items:center;gap:8px;}
.mobile-cta-bar .mc-text i{color:var(--accent);}
.mobile-cta-bar .btn{padding:8px 22px;font-size:14px;border-radius:8px;}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .hero-grid{gap:24px;}
  .hero-content{flex:1.1;}
  .hero-visual{flex:.9;}
  .features-grid{grid-template-columns:1fr 1fr;}
  .feat-main{grid-column:1/-1;min-height:0;}
  .feat-side{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;}
  .faq-wrap{grid-template-columns:220px 1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .social-grid{grid-template-columns:1fr;gap:40px;}
  .how-step{gap:24px;}
  .how-content{padding:0 12px;}
}
@media(max-width:768px){
  .section-pad{padding:72px 0;}
  .main-nav{display:none;}
  .header-actions .search-box{display:none;}
  .header-actions .header-link{display:none;}
  .menu-toggle{display:flex;}
  .hero{padding:56px 0;min-height:auto;}
  .hero-grid{flex-direction:column;gap:32px;}
  .hero-content{max-width:100%;}
  .hero h1{font-size:clamp(30px,6vw,38px);}
  .hero-sub{font-size:16px;}
  .hero-visual{width:100%;}
  .hero-visual .quick-cards{right:6px;top:-10px;}
  .news-grid{grid-template-columns:1fr;}
  .news-card{flex-direction:column;}
  .news-thumb{width:100%;aspect-ratio:16/9;}
  .faq-wrap{grid-template-columns:1fr;position:static;}
  .faq-left{position:static;}
  .how-step{flex-direction:column !important;gap:20px;padding:28px 0;}
  .how-media{width:100%;}
  .how-content{padding:0;}
  .footer-grid{grid-template-columns:1fr;}
  .stats-row{gap:20px;}
  .stat-item{flex-direction:column;gap:6px;padding-bottom:16px;}
  .float-cta{display:none;}
  .mobile-cta-bar{display:flex;}
  .features-grid{grid-template-columns:1fr;}
  .feat-side{grid-template-columns:1fr;}
  .feat-main{min-height:0;}
  .section-pad{padding:56px 0;}
  .social-grid{gap:32px;}
}
@media(max-width:520px){
  .container{padding:0 16px;}
  .header-inner{padding:0 16px;}
  .logo-text{font-size:16px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .hero-note{flex-wrap:wrap;gap:10px;}
  .trust-list{gap:8px;}
  .trust-item{padding:4px;}
  .trust-item i{width:30px;height:30px;font-size:15px;}
  .trust-item .t-sub{display:none;}
}

/* roulang page: category1 */
:root {
  --primary: #1B7FE4;
  --primary-dark: #0E63B8;
  --primary-light: rgba(27, 127, 228, 0.10);
  --amber: #FF9F1C;
  --amber-dark: #E08900;
  --amber-light: rgba(255, 159, 28, 0.12);
  --cyan: #2E9BA8;
  --cyan-light: rgba(46, 155, 168, 0.12);
  --bg: #F5F8FC;
  --card: #FFFFFF;
  --text-main: #24344A;
  --text-body: #3E5268;
  --text-light: #6B7C90;
  --text-faint: #96A5B8;
  --border-light: rgba(0, 0, 0, 0.06);
  --footer-bg: #243447;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 999px;
  --shadow-card: 0 2px 6px rgba(0, 0, 0, 0.04), 0 0 24px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.08), 0 0 24px rgba(0, 0, 0, 0.10);
  --shadow-btn: 0 2px 10px rgba(27, 127, 228, 0.28);
  --shadow-amber: 0 2px 10px rgba(255, 159, 28, 0.28);
  --section-pad: 88px;
  --section-pad-tablet: 68px;
  --section-pad-mobile: 52px;
  --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text-body);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
input, button { font-family: inherit; outline: none; }
button { cursor: pointer; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-pad { padding: var(--section-pad) 0; }
.section-pad-sm { padding: 56px 0; }

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--primary);
  color: #fff;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(27, 127, 228, 0.36); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 1px 4px rgba(27, 127, 228, 0.3); }
.btn-primary:focus-visible { outline: 3px solid rgba(27, 127, 228, 0.35); outline-offset: 1px; }

.btn-amber {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--amber);
  color: #fff;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 11px 28px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: var(--shadow-amber);
}
.btn-amber:hover { background: var(--amber-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(255, 159, 28, 0.36); }
.btn-amber:active { transform: translateY(0); }
.btn-amber:focus-visible { outline: 3px solid rgba(255, 159, 28, 0.35); outline-offset: 1px; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 9px 22px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  transition: background 0.2s, color 0.2s;
}
.btn-ghost:hover { background: var(--primary-light); color: var(--primary-dark); }
.btn-ghost:focus-visible { outline: 3px solid rgba(27, 127, 228, 0.25); }

.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-lg { padding: 14px 36px; font-size: 16px; }
.btn-block { width: 100%; }

/* ===== 导航栏 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-light);
  height: 64px;
}
.header-inner { display: flex; align-items: center; height: 64px; gap: 24px; }

.logo { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.logo-icon {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.logo-text { font-size: 18px; font-weight: 700; color: var(--text-main); letter-spacing: -0.3px; }
.logo-text span { color: var(--primary); }

.main-nav { display: flex; align-items: center; gap: 4px; flex: 1; justify-content: center; }
.main-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  color: var(--text-body);
  font-size: 14px;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}
.main-nav a i { font-size: 13px; color: var(--text-faint); transition: color 0.2s; }
.main-nav a:hover { background: var(--primary-light); color: var(--primary); }
.main-nav a:hover i { color: var(--primary); }
.main-nav a.active { background: var(--primary); color: #fff; }
.main-nav a.active i { color: rgba(255, 255, 255, 0.9); }

.header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  padding: 7px 16px;
  width: 180px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-box i { color: var(--text-faint); font-size: 13px; }
.search-box input { border: none; background: transparent; font-size: 13px; color: var(--text-main); width: 100%; }
.search-box input::placeholder { color: var(--text-faint); }
.search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(27, 127, 228, 0.12); background: #fff; }

.hamburger { display: none; background: none; border: none; font-size: 20px; color: var(--text-main); padding: 6px; border-radius: 8px; }

/* ===== 移动端抽屉 ===== */
.mobile-drawer {
  position: fixed;
  top: 0; right: -300px;
  width: 280px; height: 100vh;
  background: #fff;
  z-index: 1100;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.08);
  transition: right 0.3s ease;
  display: flex;
  flex-direction: column;
  padding: 20px;
}
.mobile-drawer.open { right: 0; }
.drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; padding-bottom: 16px; border-bottom: 1px solid var(--border-light); }
.drawer-close { background: none; border: none; font-size: 18px; color: var(--text-light); padding: 4px; border-radius: 6px; }
.drawer-close:hover { color: var(--text-main); background: var(--bg); }
.drawer-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.drawer-nav a { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: var(--radius-sm); color: var(--text-body); font-size: 15px; font-weight: 500; }
.drawer-nav a i { width: 18px; text-align: center; color: var(--text-faint); }
.drawer-nav a:hover { background: var(--primary-light); color: var(--primary); }
.drawer-nav a.active { background: var(--primary); color: #fff; }
.drawer-nav a.active i { color: rgba(255, 255, 255, 0.9); }
.drawer-actions { display: flex; flex-direction: column; gap: 10px; padding-top: 16px; border-top: 1px solid var(--border-light); }
.drawer-actions .btn-ghost { border-color: var(--border-light); color: var(--text-body); }
.drawer-actions .btn-ghost:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.drawer-overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.4); z-index: 1050; opacity: 0; visibility: hidden; transition: opacity 0.3s, visibility 0.3s; }
.drawer-overlay.active { opacity: 1; visibility: visible; }

/* ===== 分类页 Hero ===== */
.category-hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.webp') no-repeat center center;
  background-size: cover;
  padding: 76px 0 72px;
  overflow: hidden;
}
.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(245, 248, 252, 0.90);
}
.category-hero .container { position: relative; z-index: 2; }

.crumbs { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-faint); margin-bottom: 26px; }
.crumbs a { color: var(--text-faint); }
.crumbs a:hover { color: var(--primary); }
.crumbs i { font-size: 10px; color: var(--text-faint); }

.category-hero h1 {
  font-size: clamp(34px, 5vw, 50px);
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.5px;
  line-height: 1.25;
  margin-bottom: 12px;
}
.category-hero h1 em { font-style: normal; color: var(--primary); }
.hero-sub {
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-body);
  max-width: 620px;
  margin-bottom: 28px;
}
.hero-cta-group { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.hero-note { display: flex; align-items: center; gap: 18px; margin-top: 22px; font-size: 13px; color: var(--text-light); }
.hero-note span { display: inline-flex; align-items: center; gap: 5px; }
.hero-note i { color: var(--cyan); font-size: 12px; }

.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.status-badge {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: var(--radius-full);
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.status-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--amber); animation: pulse 1.6s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.8); } }

/* ===== 板块标题 ===== */
.section-head { margin-bottom: 40px; }
.section-head .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-full);
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}
.section-head h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 600; color: var(--text-main); line-height: 1.3; letter-spacing: -0.4px; }
.section-head p { font-size: 15px; color: var(--text-light); margin-top: 8px; max-width: 640px; }

/* ===== 精选新游卡片 ===== */
.featured-games { padding: var(--section-pad) 0; }
.game-card {
  background: var(--card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.25s, transform 0.2s, border-color 0.2s;
  display: flex;
  margin-bottom: 24px;
}
.game-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); border-color: rgba(27, 127, 228, 0.2); }
.game-card-thumb { width: 240px; min-width: 240px; overflow: hidden; }
.game-card-thumb img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/10; }
.game-card-body { padding: 22px 24px; display: flex; flex-direction: column; flex: 1; }
.game-card-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.game-tag {
  display: inline-block;
  background: var(--amber-light);
  color: var(--amber-dark);
  border-radius: var(--radius-full);
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 600;
}
.game-tag.cyan { background: var(--cyan-light); color: var(--cyan); }
.game-tag.blue { background: var(--primary-light); color: var(--primary); }
.game-card h3 { font-size: 19px; font-weight: 600; color: var(--text-main); margin-bottom: 8px; }
.game-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin-bottom: 14px; flex: 1; }
.game-card-meta { display: flex; align-items: center; justify-content: space-between; }
.game-card-meta .meta-item { font-size: 13px; color: var(--text-faint); display: flex; align-items: center; gap: 5px; }
.game-card-meta .game-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 4px; }
.game-card-meta .game-link:hover { color: var(--primary-dark); }

/* ===== 分类导览 ===== */
.game-types { background: #fff; border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); padding: var(--section-pad) 0; }
.type-grid { display: flex; flex-wrap: wrap; gap: 14px; }
.type-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  background: var(--bg);
  color: var(--text-body);
  font-size: 14px;
  font-weight: 500;
  transition: border-color 0.2s, background 0.2s, color 0.2s, box-shadow 0.2s;
}
.type-link i { font-size: 13px; color: var(--text-faint); transition: color 0.2s, transform 0.2s; }
.type-link:hover { border-color: var(--primary); background: var(--primary-light); color: var(--primary); }
.type-link:hover i { color: var(--primary); transform: translateX(3px); }
.type-note { font-size: 13px; color: var(--text-faint); margin-top: 18px; }

/* ===== 上线计划时间线 ===== */
.release-timeline { padding: var(--section-pad) 0; }
.timeline-wrap { position: relative; max-width: 820px; }
.timeline-wrap::before { content: ''; position: absolute; left: 6px; top: 0; bottom: 0; width: 2px; background: rgba(27, 127, 228, 0.15); }
.timeline-item { position: relative; padding-left: 40px; margin-bottom: 34px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: 0; top: 5px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px rgba(27, 127, 228, 0.25);
}
.timeline-dot.amber { background: var(--amber); box-shadow: 0 0 0 2px rgba(255, 159, 28, 0.25); }
.timeline-dot.cyan { background: var(--cyan); box-shadow: 0 0 0 2px rgba(46, 155, 168, 0.25); }
.timeline-phase { font-size: 12px; font-weight: 600; color: var(--primary); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.timeline-phase.amber { color: var(--amber-dark); }
.timeline-phase.cyan { color: var(--cyan); }
.timeline-title { font-size: 17px; font-weight: 600; color: var(--text-main); margin-bottom: 4px; }
.timeline-desc { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* ===== FAQ ===== */
.category-faq { background: #fff; border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); padding: var(--section-pad) 0; }
.faq-breadcrumb { font-size: 12px; color: var(--text-faint); margin-bottom: 4px; }
.faq-question { border-bottom: 1px solid var(--border-light); }
.faq-question:last-child { border-bottom: none; }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: color 0.2s;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
}
.faq-q:hover { color: var(--primary); }
.faq-q i { color: var(--text-faint); transition: transform 0.25s, color 0.25s; font-size: 14px; flex-shrink: 0; }
.faq-q.open { color: var(--primary); }
.faq-q.open i { transform: rotate(180deg); color: var(--primary); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-a-inner { padding: 0 4px 18px; font-size: 14px; color: var(--text-light); line-height: 1.75; }

/* ===== CTA 条 ===== */
.cta-section { padding: 56px 0; }
.cta-box {
  background: var(--footer-bg);
  border-radius: var(--radius-lg);
  padding: 52px 48px;
  text-align: center;
}
.cta-box h2 { font-size: clamp(22px, 3vw, 30px); color: #fff; font-weight: 600; margin-bottom: 12px; letter-spacing: -0.3px; }
.cta-box p { color: rgba(255, 255, 255, 0.7); font-size: 15px; max-width: 520px; margin: 0 auto 28px; line-height: 1.7; }
.cta-box .btn-amber { margin: 0 auto; }
.cta-note { font-size: 13px; color: rgba(255, 255, 255, 0.5); margin-top: 18px; display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-note span { display: inline-flex; align-items: center; gap: 5px; }
.cta-note i { color: var(--amber); font-size: 12px; }

/* ===== 页脚 ===== */
.site-footer { background: var(--footer-bg); color: rgba(255, 255, 255, 0.85); padding-top: 64px; }
.footer-grid {
  display: grid;
  grid-template-columns: 3fr 2fr 2fr 3fr;
  gap: 44px;
  padding-bottom: 44px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand .logo-text span { color: var(--amber); }
.footer-brand .logo-icon { background: rgba(255, 255, 255, 0.12); color: var(--amber); }
.footer-brand p { font-size: 13px; line-height: 1.8; color: rgba(255, 255, 255, 0.65); max-width: 300px; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-col a { display: block; font-size: 13px; color: rgba(255, 255, 255, 0.65); padding: 5px 0; transition: color 0.2s, padding-left 0.2s; }
.footer-col a i { font-size: 10px; margin-right: 4px; color: rgba(255, 255, 255, 0.4); }
.footer-col a:hover { color: #fff; padding-left: 4px; }
.footer-service h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.svc-item { display: flex; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, 0.65); margin-bottom: 12px; line-height: 1.6; }
.svc-item i { color: rgba(255, 255, 255, 0.4); margin-top: 3px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: 13px; color: rgba(255, 255, 255, 0.5); }
.footer-bottom a { color: rgba(255, 255, 255, 0.6); }
.footer-bottom a:hover { color: #fff; }

/* ===== 悬浮转化条 ===== */
.float-cta {
  position: fixed;
  bottom: 32px; right: 32px;
  z-index: 900;
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
  width: 320px;
  padding: 18px 20px;
  transform: translateY(20px);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.3s, opacity 0.3s, visibility 0.3s;
}
.float-cta.visible { transform: translateY(0); opacity: 1; visibility: visible; }
.float-cta-close { position: absolute; top: 8px; right: 8px; background: none; border: none; color: var(--text-faint); font-size: 14px; padding: 4px; border-radius: 6px; }
.float-cta-close:hover { color: var(--text-main); background: var(--bg); }
.float-cta-body { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.float-cta-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--amber-light); color: var(--amber-dark); display: flex; align-items: center; justify-content: center; font-size: 16px; }
.float-cta-text strong { display: block; font-size: 15px; color: var(--text-main); font-weight: 600; line-height: 1.4; }
.float-cta-text span { font-size: 12px; color: var(--text-faint); }

.mobile-cta-bar {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 950;
  background: #fff;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  height: 52px;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
}
.mobile-cta-bar span { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--text-main); }
.mobile-cta-bar span i { color: var(--amber); }
.mobile-cta-bar .btn-amber { padding: 6px 18px; font-size: 14px; border-radius: var(--radius-full); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .header-actions .search-box { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .category-hero { padding: 56px 0; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .header-actions .btn-ghost { display: none; }
  .hamburger { display: inline-flex; align-items: center; justify-content: center; }
  .section-pad { padding: var(--section-pad-mobile) 0; }
  .category-hero { padding: 44px 0; }
  .category-hero h1 { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .hero-note { flex-direction: column; align-items: flex-start; gap: 6px; }
  .game-card { flex-direction: column; }
  .game-card-thumb { width: 100%; min-width: 0; }
  .game-card-thumb img { aspect-ratio: 16/9; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-box { padding: 36px 22px; }
  .float-cta { display: none; }
  .mobile-cta-bar { display: flex; }
  body { padding-bottom: 52px; }
  .type-link { padding: 10px 16px; font-size: 13px; }
  .timeline-wrap::before { left: 5px; }
  .timeline-item { padding-left: 32px; }
  .timeline-dot { width: 12px; height: 12px; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .header-actions .btn-sm { padding: 6px 14px; font-size: 13px; }
  .section-head h2 { font-size: 22px; }
  .cta-box h2 { font-size: 20px; }
  .btn-lg { padding: 12px 28px; font-size: 15px; }
}

/* roulang page: article */
:root {
  --primary: hsl(212, 92%, 47%);
  --primary-hover: hsl(212, 92%, 41%);
  --primary-soft: hsla(212, 92%, 47%, 0.08);
  --accent: hsl(35, 100%, 55%);
  --accent-hover: hsl(35, 100%, 48%);
  --info: hsl(190, 60%, 45%);
  --info-soft: hsla(190, 60%, 45%, 0.1);
  --bg: hsl(210, 30%, 98%);
  --card-bg: #ffffff;
  --text: hsl(215, 20%, 25%);
  --text-weak: hsl(215, 10%, 55%);
  --border: rgba(0, 0, 0, 0.04);
  --border-strong: rgba(0, 0, 0, 0.08);
  --footer-bg: hsl(215, 40%, 22%);
  --footer-text: rgba(255, 255, 255, 0.72);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-tag: 999px;
  --shadow: 0 2px 6px rgba(0, 0, 0, 0.04), 0 0 24px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.08), 0 0 32px rgba(0, 0, 0, 0.10);
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container-w: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: all 0.2s ease; }
button, input, textarea, select { font-family: inherit; }

.container { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .container { padding: 0 16px; } }

.row { max-width: var(--container-w); }
.row .row { margin: 0; }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--primary);
  border-radius: 12px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 12px hsla(212, 92%, 47%, 0.3);
}
.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
}
.logo-text span {
  color: var(--primary);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-tag);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
}
.main-nav a i { font-size: 13px; opacity: 0.75; }
.main-nav a:hover {
  background: var(--primary-soft);
  color: var(--primary);
}
.main-nav a.active {
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-search {
  position: relative;
}
.nav-search input {
  width: 178px;
  height: 36px;
  border-radius: var(--radius-tag);
  border: 1px solid var(--border-strong);
  padding: 0 38px 0 16px;
  font-size: 13px;
  background: hsl(210, 30%, 97%);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.nav-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px hsla(212, 92%, 47%, 0.12);
}
.nav-search .search-icon {
  position: absolute;
  right: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-weak);
  font-size: 13px;
  pointer-events: none;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s ease;
  text-decoration: none;
}
.btn:focus-visible {
  outline: 3px solid hsla(212, 92%, 47%, 0.3);
  outline-offset: 2px;
}
.btn-ghost {
  height: 36px;
  padding: 0 18px;
  border-radius: var(--radius-tag);
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  font-size: 14px;
}
.btn-ghost:hover {
  background: var(--primary-soft);
}
.btn-solid {
  height: 36px;
  padding: 0 20px;
  border-radius: var(--radius-tag);
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  box-shadow: 0 4px 12px hsla(212, 92%, 47%, 0.25);
}
.btn-solid:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px hsla(212, 92%, 47%, 0.35);
}
.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 32px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 6px 18px hsla(35, 100%, 55%, 0.35);
  transition: all 0.2s ease;
}
.btn-accent:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px hsla(35, 100%, 50%, 0.4);
}
.btn-accent:active {
  transform: translateY(0);
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  border: none;
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.mobile-drawer {
  display: none;
  position: fixed;
  top: 64px;
  right: 0;
  width: 280px;
  height: calc(100vh - 64px);
  background: #fff;
  z-index: 99;
  padding: 24px 20px;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.1);
  flex-direction: column;
  gap: 8px;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}
.mobile-drawer.open {
  transform: translateX(0);
  display: flex;
}
.mobile-drawer a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 16px;
  color: var(--text);
}
.mobile-drawer a:hover,
.mobile-drawer a.active {
  background: var(--primary-soft);
  color: var(--primary);
}
.mobile-drawer .drawer-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}
.mobile-drawer .drawer-actions .btn {
  width: 100%;
  height: 44px;
  border-radius: 12px;
  font-size: 15px;
}

/* ===== Breadcrumb ===== */
.breadcrumb-bar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-weak);
}
.breadcrumb a {
  color: var(--primary);
  font-weight: 500;
}
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { color: rgba(0, 0, 0, 0.18); font-size: 11px; }
.breadcrumb .current {
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}

/* ===== Article Main ===== */
.article-main {
  padding: 48px 0 72px;
}
.article-wrap {
  max-width: 720px;
  margin: 0 auto;
}
.article-title {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.5px;
  color: var(--text);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin: 22px 0 30px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-weak);
}
.meta-item i {
  color: var(--primary);
  font-size: 13px;
}
.meta-item .cat-tag {
  background: var(--info-soft);
  color: var(--info);
  padding: 3px 10px;
  border-radius: var(--radius-tag);
  font-weight: 600;
  font-size: 12px;
}

/* ===== Article Content ===== */
.article-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  word-wrap: break-word;
}
.article-content p {
  margin-bottom: 1.25em;
}
.article-content h2 {
  font-size: 22px;
  font-weight: 600;
  padding-left: 14px;
  margin: 38px 0 18px;
  border-left: 4px solid var(--primary);
}
.article-content h3 {
  font-size: 18px;
  font-weight: 600;
  padding-left: 14px;
  margin: 30px 0 14px;
  border-left: 4px solid var(--info);
}
.article-content h4 {
  font-size: 16px;
  font-weight: 600;
  margin: 24px 0 12px;
}
.article-content img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 20px 0;
  width: auto;
  max-width: 100%;
}
.article-content figure {
  margin: 24px 0;
}
.article-content figcaption {
  font-size: 13px;
  color: var(--text-weak);
  text-align: center;
  margin-top: 8px;
}
.article-content blockquote {
  border-left: 4px solid var(--accent);
  padding: 16px 24px;
  background: #fff;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 24px 0;
  color: var(--text-weak);
}
.article-content ul,
.article-content ol {
  margin: 0 0 1.2em 1.4em;
  padding-left: 0;
}
.article-content li {
  margin-bottom: 8px;
}
.article-content a {
  color: var(--primary);
  text-decoration: underline;
}
.article-content a:hover {
  text-decoration: none;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
}
.article-content table th,
.article-content table td {
  border: 1px solid var(--border);
  padding: 12px 16px;
  text-align: left;
  font-size: 14px;
}
.article-content table th {
  background: hsl(210, 30%, 96%);
  font-weight: 600;
}

/* ===== Not Found ===== */
.not-found-section {
  padding: 100px 0;
  min-height: 60vh;
  display: flex;
  align-items: center;
}
.not-found-box {
  max-width: 560px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 60px 40px;
  text-align: center;
}
.not-found-box i {
  font-size: 46px;
  color: var(--primary);
  margin-bottom: 20px;
  display: inline-block;
}
.not-found-box h2 {
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 12px;
}
.not-found-box p {
  color: var(--text-weak);
  margin-bottom: 28px;
}

/* ===== Related Section ===== */
.related-section {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 68px 0 72px;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 6px 14px;
  border-radius: var(--radius-tag);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(26px, 2.8vw, 34px);
  font-weight: 700;
  letter-spacing: -0.4px;
  margin-bottom: 36px;
  color: var(--text);
}
.related-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: hsla(212, 92%, 47%, 0.2);
}
.related-card .card-img {
  position: relative;
  overflow: hidden;
  background: hsl(210, 30%, 94%);
}
.related-card .card-img img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.related-card:hover .card-img img {
  transform: scale(1.04);
}
.related-card .card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-tag);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  z-index: 2;
}
.related-card .card-body {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.related-card .card-body h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 46px;
}
.related-card .card-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}
.related-card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-weak);
}
.related-card .card-meta a {
  color: var(--primary);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.related-card .card-meta a:hover {
  gap: 8px;
}
.related-footer-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.related-footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-tag);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  transition: all 0.2s;
}
.related-footer-links a:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--primary-soft);
}

/* ===== Article CTA ===== */
.article-cta {
  background: var(--footer-bg);
  padding: 64px 0 66px;
  text-align: center;
}
.article-cta h2 {
  color: #fff;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 12px;
}
.article-cta p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 15px;
  margin-bottom: 28px;
}
.article-cta .btn-accent {
  background: var(--accent);
}
.article-cta .btn-accent:hover {
  background: var(--accent-hover);
}
.cta-note {
  margin-top: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-note span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  font-size: 14px;
}
.site-footer .container {
  padding-top: 56px;
  padding-bottom: 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 3fr 2fr 2fr 3fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo {
  margin-bottom: 18px;
}
.footer-brand .logo-text {
  color: #fff;
  font-size: 20px;
}
.footer-brand .logo-text span {
  color: var(--accent);
}
.footer-brand p {
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.7;
  max-width: 340px;
}
.footer-col h4,
.footer-service h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 12px;
  padding: 3px 0;
  font-size: 14px;
  transition: color 0.2s, padding-left 0.2s;
}
.footer-col a i {
  margin-right: 6px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
  transition: transform 0.2s, color 0.2s;
}
.footer-col a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-col a:hover i {
  color: var(--accent);
  transform: translateX(3px);
}
.footer-service .svc-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  line-height: 1.6;
}
.footer-service .svc-item i {
  color: var(--accent);
  margin-top: 2px;
  font-size: 14px;
  flex-shrink: 0;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom a:hover {
  color: #fff;
}

/* ===== Mobile Sticky Bar ===== */
.mobile-sticky-bar {
  display: none;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .main-nav,
  .nav-search {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-btn.ng-link {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 640px) {
  .nav-inner {
    height: 58px;
    gap: 12px;
  }
  .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 15px;
    border-radius: 10px;
  }
  .logo-text {
    font-size: 17px;
  }
  .nav-btn.ghost-mobile {
    display: none;
  }
  .btn-solid.nav-btn {
    padding: 0 14px;
    font-size: 13px;
    height: 34px;
  }
  .article-main {
    padding: 32px 0 48px;
  }
  .article-title {
    font-size: 24px;
  }
  .article-meta {
    gap: 12px;
    margin: 16px 0 24px;
    padding-bottom: 18px;
  }
  .related-section {
    padding: 48px 0 56px;
  }
  .related-card .card-body {
    padding: 16px 18px 18px;
  }
  .related-card .card-body h3 {
    font-size: 15px;
    min-height: 0;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .site-footer .container {
    padding-top: 40px;
  }
  .article-cta {
    padding: 48px 0;
  }
  .mobile-sticky-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: #fff;
    border-top: 1px solid var(--border-strong);
    z-index: 999;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
  }
  .msb-text {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
  }
  .msb-text i {
    color: var(--primary);
    font-size: 17px;
  }
  .msb-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    padding: 9px 22px;
    border-radius: var(--radius-tag);
    box-shadow: 0 4px 12px hsla(35, 100%, 50%, 0.3);
  }
  body {
    padding-bottom: 56px;
  }
}
@media (max-width: 480px) {
  .btn-ghost.nav-btn {
    display: none;
  }
  .breadcrumb {
    font-size: 12px;
  }
  .breadcrumb .current {
    max-width: 140px;
  }
}

/* roulang page: category2 */
:root {
  --primary: #0d7df2;
  --primary-dark: #0a66c9;
  --primary-light: rgba(13, 125, 242, 0.10);
  --accent: #ffa52e;
  --accent-dark: #f08a00;
  --info: #2e9aa8;
  --bg: #f4f7fc;
  --card: #ffffff;
  --text: #2a3441;
  --text-muted: #7a8699;
  --border: rgba(0, 0, 0, 0.06);
  --footer-bg: #22304a;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 6px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.08), 0 16px 40px rgba(0, 0, 0, 0.10);
  --container-w: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5 { font-weight: 600; line-height: 1.3; color: var(--text); }
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 20px; }
.section { padding: 96px 0; }
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(26px, 3vw, 36px);
  letter-spacing: -0.5px;
}
.section-head p {
  font-size: 16px;
  color: var(--text-muted);
  margin-top: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all .25s ease;
  line-height: 1.4;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(13, 125, 242, 0.30);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 165, 46, 0.30);
}
.btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-ghost:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
}
.btn:focus-visible, a:focus-visible {
  outline: 3px solid rgba(13, 125, 242, 0.25);
  outline-offset: 2px;
}
/* ===== 导航栏 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  height: 64px;
}
.header-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 20px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
}
.logo-text {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text);
}
.logo-text span {
  color: var(--primary);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 14px;
  border-radius: 999px;
  transition: all .2s ease;
}
.main-nav a i {
  font-size: 13px;
  color: var(--text-muted);
  transition: color .2s ease;
}
.main-nav a:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.main-nav a:hover i {
  color: var(--primary);
}
.main-nav a.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}
.main-nav a.active i {
  color: var(--primary);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.search-box {
  position: relative;
  display: flex;
  align-items: center;
}
.search-box input {
  width: 160px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0 38px 0 16px;
  font-size: 13px;
  background: #f6f9fc;
  color: var(--text);
  transition: all .25s ease;
}
.search-box input:focus {
  outline: none;
  border-color: rgba(13, 125, 242, 0.35);
  background: #fff;
  width: 190px;
  box-shadow: 0 0 0 3px rgba(13, 125, 242, 0.08);
}
.search-box .search-icon {
  position: absolute;
  right: 14px;
  font-size: 13px;
  color: var(--text-muted);
  pointer-events: none;
}
.header-actions .btn {
  padding: 9px 20px;
  font-size: 14px;
}
.btn-play {
  background: var(--accent);
  color: #fff;
}
.btn-play:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(255, 165, 46, 0.35);
}
.burger-btn {
  display: none;
  width: 38px;
  height: 38px;
  border: none;
  background: transparent;
  border-radius: 8px;
  font-size: 18px;
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.burger-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.mobile-drawer {
  display: none;
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100%;
  background: #fff;
  z-index: 200;
  padding: 80px 28px 28px;
  box-shadow: -6px 0 30px rgba(0, 0, 0, 0.12);
  transition: right .3s ease;
  flex-direction: column;
}
.mobile-drawer.open {
  right: 0;
}
.mobile-drawer a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 8px;
}
.mobile-drawer a:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.mobile-drawer a.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}
.mobile-drawer .btn {
  margin-top: 20px;
  width: 100%;
}
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 150;
}
.drawer-overlay.show {
  display: block;
}
/* ===== Hero ===== */
.cat-hero {
  position: relative;
  padding: 100px 0 90px;
  background: linear-gradient(135deg, #f0f6ff 0%, #eaf2fb 50%, #e8f0fa 100%);
  overflow: hidden;
}
.cat-hero .hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
}
.cat-hero .hero-deco {
  position: absolute;
  right: -80px;
  top: -80px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(13, 125, 242, 0.08);
}
.cat-hero .hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 50px;
}
.cat-hero .hero-content {
  flex: 1;
}
.cat-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(13, 125, 242, 0.10);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.cat-hero .hero-badge i {
  font-size: 12px;
}
.cat-hero h1 {
  font-size: clamp(36px, 5vw, 54px);
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.15;
  margin-bottom: 18px;
}
.cat-hero h1 .highlight {
  color: var(--primary);
}
.cat-hero .hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 28px;
}
.cat-hero .hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cat-hero .hero-note {
  margin-top: 18px;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.cat-hero .hero-note span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.cat-hero .hero-note i {
  color: var(--info);
  font-size: 12px;
}
.cat-hero .hero-visual {
  flex: 0 0 480px;
  position: relative;
}
.cat-hero .hero-visual .img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  box-shadow: var(--shadow);
  background: #fff;
}
.cat-hero .hero-visual .img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-status {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}
.hero-status .dot {
  width: 8px;
  height: 8px;
  background: #2ec27e;
  border-radius: 50%;
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
/* ===== 可信信息条 ===== */
.trust-bar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
}
.trust-bar .trust-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.trust-bar .trust-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}
.trust-bar .trust-item i {
  color: var(--primary);
  font-size: 17px;
}
/* ===== 步骤图文区 ===== */
.steps-section {
  padding: 96px 0;
  background: var(--bg);
}
.step-row {
  margin-bottom: 56px;
  align-items: center;
}
.step-row:last-child {
  margin-bottom: 0;
}
.step-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: #eef2f6;
  box-shadow: var(--shadow);
  position: relative;
}
.step-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.step-media .step-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.12), transparent);
}
.step-content {
  padding: 20px 0 20px 40px;
}
.step-content.right {
  padding: 20px 40px 20px 0;
}
.step-num {
  font-size: 44px;
  font-weight: 700;
  color: rgba(13, 125, 242, 0.18);
  line-height: 1;
  margin-bottom: 14px;
  letter-spacing: -1px;
}
.step-content h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
}
.step-content p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
}
.step-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.step-tags .tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--info);
  background: rgba(46, 154, 168, 0.08);
  padding: 4px 12px;
  border-radius: 999px;
}
/* ===== 链接矩阵 ===== */
.matrix-section {
  padding: 96px 0;
  background: #fff;
}
.matrix-wrap {
  max-width: 960px;
  margin: 0 auto;
}
.matrix-row {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.matrix-link {
  flex: 1 1 22%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: all .25s ease;
  min-width: 180px;
}
.matrix-link i {
  font-size: 14px;
  color: var(--text-muted);
  transition: all .25s ease;
}
.matrix-link:hover {
  background: #fff;
  border-color: rgba(13, 125, 242, 0.25);
  color: var(--primary);
  transform: translateX(4px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.matrix-link:hover i {
  color: var(--primary);
  transform: translateX(2px);
}
/* ===== FAQ ===== */
.faq-section {
  padding: 96px 0;
  background: var(--bg);
}
.faq-wrap {
  display: flex;
  gap: 48px;
  align-items: flex-start;
}
.faq-left {
  flex: 0 0 280px;
  position: sticky;
  top: 90px;
}
.faq-left h2 {
  font-size: clamp(24px, 2.5vw, 32px);
  margin-bottom: 12px;
  letter-spacing: -0.4px;
}
.faq-left p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}
.faq-list {
  flex: 1;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 8px 28px;
  box-shadow: var(--shadow);
}
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 0;
}
.faq-item:last-child {
  border-bottom: none;
}
.faq-q {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 0;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  transition: color .2s ease;
}
.faq-q .faq-cat {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
}
.faq-q .faq-question {
  flex: 1;
}
.faq-q .chevron {
  font-size: 13px;
  color: var(--text-muted);
  transition: transform .3s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-q .chevron {
  transform: rotate(180deg);
}
.faq-item.open .faq-q {
  color: var(--primary);
}
.faq-item.open .faq-q .faq-cat {
  background: var(--primary-light);
  border-color: transparent;
  color: var(--primary);
}
.faq-a {
  display: none;
  padding: 0 0 20px 60px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}
.faq-item.open .faq-a {
  display: block;
}
/* ===== CTA ===== */
.cat-cta {
  padding: 80px 0;
  background: var(--footer-bg);
  color: #fff;
  text-align: center;
}
.cat-cta h2 {
  font-size: clamp(26px, 3vw, 36px);
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: -0.4px;
}
.cat-cta p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  margin-bottom: 28px;
}
.cat-cta .btn {
  font-size: 16px;
  padding: 14px 36px;
}
.cat-cta .cta-note {
  margin-top: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}
/* ===== 页脚 ===== */
.site-footer {
  background: var(--footer-bg);
  color: rgba(255, 255, 255, 0.85);
  padding: 64px 0 0;
}
.footer-grid {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand {
  flex: 2 1 260px;
  min-width: 240px;
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand .logo-text {
  color: #fff;
}
.footer-brand .logo-text span {
  color: var(--accent);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
}
.footer-col {
  flex: 1 1 160px;
}
.footer-col h4, .footer-service h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  padding: 6px 0;
  transition: all .2s ease;
}
.footer-col a i {
  font-size: 12px;
  margin-right: 6px;
  color: rgba(255, 255, 255, 0.3);
  transition: all .2s ease;
}
.footer-col a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-col a:hover i {
  color: var(--accent);
}
.footer-service {
  flex: 1.5 1 220px;
}
.svc-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px;
  line-height: 1.6;
}
.svc-item i {
  color: var(--accent);
  font-size: 14px;
  margin-top: 3px;
}
.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom a:hover {
  color: #fff;
}
/* ===== 底部固定转化条 ===== */
.float-cta {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 340px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
  padding: 18px 20px;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid var(--border);
  transition: all .3s ease;
}
.float-cta .fc-info .fc-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.float-cta .fc-info .fc-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}
.float-cta .btn {
  padding: 9px 20px;
  font-size: 14px;
  white-space: nowrap;
}
.float-cta .fc-close {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 22px;
  height: 22px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.float-cta .fc-close:hover {
  background: var(--bg);
  color: var(--text);
}
/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .cat-hero .hero-visual { flex-basis: 380px; }
  .step-content { padding-left: 24px; }
  .step-content.right { padding-right: 24px; }
  .faq-wrap { gap: 28px; }
  .faq-left { flex-basis: 220px; }
}
@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .main-nav, .header-actions .search-box, .header-actions .btn-ghost { display: none; }
  .burger-btn { display: flex; }
  .cat-hero { padding: 72px 0 64px; }
  .cat-hero .hero-inner { flex-direction: column; gap: 32px; }
  .cat-hero .hero-visual { flex-basis: auto; width: 100%; max-width: 560px; }
  .cat-hero .hero-actions .btn { flex: 1 1 auto; }
  .step-row { flex-direction: column; margin-bottom: 48px; }
  .step-row .columns { max-width: 100%; flex: 0 0 100%; }
  .step-content, .step-content.right { padding: 20px 0 0; }
  .faq-wrap { flex-direction: column; }
  .faq-left { flex: none; position: static; }
  .faq-a { padding-left: 20px; }
  .float-cta {
    bottom: 0; right: 0;
    width: 100%;
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-bottom: none;
    padding: 12px 16px;
  }
  .float-cta .fc-info .fc-title { font-size: 14px; }
  .float-cta .fc-close { top: 4px; right: 6px; }
  .matrix-link { flex: 1 1 46%; min-width: 0; }
}
@media (max-width: 520px) {
  .trust-bar .trust-list { gap: 16px; }
  .trust-bar .trust-item { font-size: 13px; }
  .trust-bar .trust-item i { font-size: 14px; }
  .matrix-link { flex: 1 1 100%; }
  .faq-q { flex-wrap: wrap; gap: 8px; }
  .faq-q .faq-question { flex: 1 1 100%; order: 3; }
  .faq-q .faq-cat { order: 1; }
  .faq-q .chevron { order: 2; margin-left: auto; }
  .cat-hero h1 { font-size: 30px; }
  .cat-hero .hero-sub { font-size: 16px; }
}