/* roulang page: index */
:root {
  --bg-light: #F6F6F4;
  --surface: #FFFFFF;
  --ink: #14161A;
  --muted: #6B7178;
  --line: #E7E5DF;
  --primary: #00B26B;
  --primary-hover: #00935A;
  --primary-soft: #E4F6EE;
  --accent: #F25C3D;
  --dark: #161B1F;
  --dark-surface: #1E242A;
  --success: #00A862;
  --warning: #FFB020;
  --error: #E5484D;
  --radius: 16px;
  --radius-sm: 12px;
  --radius-full: 999px;
  --shadow-card: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-hover: 0 16px 32px rgba(0,0,0,0.08);
  --shadow-dock: 0 8px 30px rgba(0,0,0,0.12);
  --container: 1200px;
  --gutter: 24px;
  --section-gap: 96px;
  --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg-light);
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:0;background:none;cursor:pointer}
input{font-family:inherit}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.section{padding:var(--section-gap) 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:40px;gap:24px}
.section-head h2{font-size:clamp(1.6rem,2.6vw,2.2rem);font-weight:700;letter-spacing:-0.02em;line-height:1.2}
.section-sub{font-size:14px;color:var(--muted);margin-top:6px}
.split{display:flex;justify-content:space-between;align-items:flex-end;gap:24px}
.link-more{font-size:14px;font-weight:500;color:var(--muted);display:inline-flex;align-items:center;gap:6px;transition:color .3s;white-space:nowrap}
.link-more:hover{color:var(--primary)}
.link-more .arrow{transition:transform .3s}
.link-more:hover .arrow{transform:translateX(4px)}
.badge{display:inline-flex;align-items:center;background:var(--primary-soft);color:var(--primary-hover);font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--radius-full);line-height:1.4}
.badge-sm{padding:2px 8px;font-size:11px}
.badge-accent{background:rgba(242,92,61,.12);color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;padding:12px 24px;border-radius:var(--radius-full);transition:all .3s cubic-bezier(.2,.7,.3,1);line-height:1.4;white-space:nowrap;border:1px solid transparent}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,178,107,.25)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-hover);background:var(--primary-soft)}
.btn-white{background:#fff;color:var(--primary-hover)}
.btn-white:hover{background:var(--primary-soft);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.18)}
.btn-sm{padding:8px 18px;font-size:14px}
.btn-lg{padding:16px 36px;font-size:16px}
.btn-block{width:100%}
.arrow{display:inline-block;transition:transform .3s}
.btn:hover .arrow{transform:translateX(4px)}
/* Dock导航 */
.site-header{position:fixed;top:12px;left:50%;transform:translateX(-50%);z-index:1000;width:min(1150px,calc(100% - 32px))}
.dock{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.78);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-radius:var(--radius-full);padding:10px 12px 10px 20px;box-shadow:var(--shadow-dock);border:1px solid rgba(255,255,255,.4);transition:border-color .3s,box-shadow .3s;height:64px}
.dock.scrolled{border-color:var(--line);box-shadow:0 8px 30px rgba(0,0,0,.14)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:800;flex-shrink:0}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.brand-sub{font-size:11px;color:var(--muted);font-weight:500;display:block;line-height:1}
.nav{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;font-size:15px;font-weight:500;padding:8px 16px;border-radius:var(--radius-full);color:var(--ink);transition:color .3s,background .3s;line-height:1.4}
.nav-link:hover{color:var(--primary-hover);background:var(--primary-soft)}
.nav-link.active{color:var(--primary-hover)}
.nav-link.active::after{content:'';position:absolute;left:50%;bottom:2px;transform:translateX(-50%);width:16px;height:4px;border-radius:2px;background:var(--primary)}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.search-trigger{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--muted);transition:background .3s,color .3s}
.search-trigger:hover{background:var(--primary-soft);color:var(--primary-hover)}
.search-trigger svg{width:20px;height:20px}
.menu-toggle{display:none;width:44px;height:44px;border-radius:50%;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s,opacity .3s}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.search-layer{position:absolute;top:calc(100% + 12px);left:24px;right:24px;background:var(--surface);border-radius:var(--radius-sm);box-shadow:var(--shadow-hover);padding:16px;display:none;border:1px solid var(--line)}
.search-layer.show{display:block}
.search-form{display:flex;gap:10px}
.search-form input{flex:1;height:48px;border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 16px;font-size:15px;transition:border-color .3s,box-shadow .3s;outline:none}
.search-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,178,107,.15)}
.search-form button{height:48px;padding:0 24px;border-radius:var(--radius-sm);background:var(--primary);color:#fff;font-weight:600;font-size:14px;transition:background .3s}
.search-form button:hover{background:var(--primary-hover)}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,85vw);background:var(--surface);z-index:1100;transform:translateX(100%);transition:transform .4s cubic-bezier(.2,.7,.3,1);display:flex;flex-direction:column;padding:80px 32px 32px;box-shadow:-8px 0 30px rgba(0,0,0,.12)}
.mobile-drawer.open{transform:translateX(0)}
.mobile-drawer nav{display:flex;flex-direction:column;gap:20px}
.mobile-drawer nav a{font-size:18px;font-weight:600;color:var(--ink);padding:8px 0;border-bottom:1px solid var(--line);transition:color .3s}
.mobile-drawer nav a:hover{color:var(--primary-hover)}
.mobile-drawer .btn{margin-top:24px}
.drawer-backdrop{position:fixed;inset:0;background:rgba(22,27,31,.5);z-index:1050;opacity:0;visibility:hidden;transition:opacity .3s}
.drawer-backdrop.show{opacity:1;visibility:visible}
/* Hero */
.hero{position:relative;background:var(--dark);color:#fff;padding:160px 0 0;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') no-repeat center/cover;opacity:.4;z-index:0}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(100deg,rgba(22,27,31,.92) 30%,rgba(22,27,31,.55) 65%,rgba(22,27,31,.35));z-index:1}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center;padding-bottom:80px}
.hero-title{font-size:clamp(2.4rem,4.6vw,4rem);font-weight:800;line-height:1.15;letter-spacing:-.02em;margin-bottom:20px}
.hero-title .highlight{color:var(--primary)}
.hero-sub{font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);max-width:480px;margin-bottom:32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center}
.login-panel{width:100%;max-width:380px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:24px;backdrop-filter:blur(20px);overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.3)}
.panel-head{display:flex;align-items:center;gap:8px;padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.08)}
.panel-dot{width:10px;height:10px;border-radius:50%;background:var(--primary);flex-shrink:0}
.panel-dot.dot-warning{background:var(--warning)}
.panel-dot.dot-accent{background:var(--accent)}
.panel-dot.dot-muted{background:rgba(255,255,255,.3)}
.panel-title{font-size:13px;color:rgba(255,255,255,.7);letter-spacing:.02em}
.panel-body{padding:28px 24px}
.panel-field{margin-bottom:16px}
.panel-field label{display:block;font-size:13px;font-weight:500;color:rgba(255,255,255,.65);margin-bottom:8px}
.panel-field input{width:100%;height:48px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);padding:0 16px;color:#fff;font-size:15px;outline:none;transition:border-color .3s,box-shadow .3s}
.panel-field input::placeholder{color:rgba(255,255,255,.3)}
.panel-field input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,178,107,.2)}
.panel-submit{width:100%;height:48px;background:var(--primary);color:#fff;border-radius:var(--radius-sm);font-size:15px;font-weight:700;margin-top:20px;transition:background .3s,transform .2s}
.panel-submit:hover{background:var(--primary-hover)}
.panel-submit:active{transform:scale(.98)}
.panel-links{display:flex;justify-content:space-between;margin-top:16px;font-size:13px;color:rgba(255,255,255,.5)}
.panel-links span{cursor:pointer;transition:color .3s}
.panel-links span:hover{color:var(--primary)}
.float-card{position:absolute;display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.9);border-radius:var(--radius-sm);padding:10px 16px;box-shadow:0 12px 32px rgba(0,0,0,.2);font-size:13px;font-weight:600;color:var(--ink);animation:floatY 4s ease-in-out infinite}
.float-card .ico{font-size:16px}
.card-top{top:8%;left:-3%}
.card-bottom{bottom:14%;right:-2%;animation-delay:2s}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.hero-stats{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.1);padding:28px 0 40px}
.stats-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
.stat-item h3{font-size:28px;font-weight:800;color:#fff;line-height:1.2;font-feature-settings:"tnum"}
.stat-item p{font-size:13px;color:rgba(255,255,255,.55);margin-top:2px}
/* 三步上手 */
.steps-section{background:var(--bg-light)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.step-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px 24px;position:relative;transition:box-shadow .3s,transform .3s}
.step-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.step-num{font-size:48px;font-weight:800;color:var(--line);line-height:1;margin-bottom:20px;font-feature-settings:"tnum"}
.step-icon{width:48px;height:48px;border-radius:14px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
.step-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.step-card p{font-size:14px;color:var(--muted);line-height:1.7}
.step-connector{position:absolute;top:56px;width:calc(50% - 24px);border-top:2px dashed var(--line);z-index:0}
.step-connector.left{right:-50%} 
.step-connector.right{left:-50%}
.steps-grid .step-card:nth-child(1) .step-connector{right:calc(-50% + 0px)}
.steps-grid .step-card:nth-child(2) .step-connector{left:calc(-50% + 0px)}
/* 最新信息 */
.latest-section{background:var(--surface)}
.latest-grid{display:grid;grid-template-columns:2fr 1fr;gap:32px}
.latest-featured{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .3s,transform .3s}
.latest-featured:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.featured-cover{width:100%;height:220px;object-fit:cover;filter:grayscale(10%);transition:filter .4s,transform .6s}
.latest-featured:hover .featured-cover{filter:grayscale(0);transform:scale(1.02)}
.featured-content{padding:24px}
.featured-content h3{font-size:20px;font-weight:700;margin:12px 0;line-height:1.4}
.featured-content h3 a{transition:color .3s}
.featured-content h3 a:hover{color:var(--primary-hover)}
.featured-content p{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.featured-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.latest-list{display:flex;flex-direction:column;gap:0}
.list-item{display:flex;flex-direction:column;gap:4px;padding:16px 4px;border-bottom:1px solid var(--line);transition:background .3s;border-radius:var(--radius-sm)}
.list-item:hover{background:var(--primary-soft);padding-left:12px}
.list-item .list-title{font-size:15px;font-weight:600;color:var(--ink);transition:color .3s;line-height:1.5}
.list-item .list-title:hover{color:var(--primary-hover)}
.list-item .list-excerpt{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.list-item time{font-size:12px;color:var(--muted)}
.list-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:60px 24px;text-align:center;color:var(--muted)}
.list-empty p{font-size:15px}
.list-empty .btn{margin-top:4px}
/* 案例证明 */
.testimonial-section{background:var(--dark);color:#fff}
.testimonial-section .section-head h2{color:#fff}
.testimonial-section .section-sub{color:rgba(255,255,255,.5)}
.testimonial-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
.testimonial-featured{background:var(--dark-surface);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:40px;position:relative;transition:transform .3s,box-shadow .3s}
.testimonial-featured:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(0,0,0,.3)}
.testimonial-featured .quote-mark{font-family:var(--font-serif);font-size:64px;color:var(--primary);line-height:.8;margin-bottom:16px}
.testimonial-featured .quote-text{font-family:var(--font-serif);font-size:18px;line-height:1.8;color:rgba(255,255,255,.9);margin-bottom:24px}
.testimonial-img{width:100%;height:160px;object-fit:cover;border-radius:var(--radius-sm);margin-bottom:24px;filter:grayscale(15%);transition:filter .4s}
.testimonial-featured:hover .testimonial-img{filter:grayscale(0)}
.user-meta{display:flex;align-items:center;gap:14px}
.avatar{width:48px;height:48px;border-radius:16px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;flex-shrink:0}
.avatar-alt{background:var(--accent)}
.avatar-alt2{background:#4A7CF7}
.user-meta strong{display:block;font-size:15px;font-weight:600;color:#fff}
.user-meta span{font-size:13px;color:rgba(255,255,255,.45)}
.stars{color:var(--accent);font-size:15px;letter-spacing:2px;margin-top:12px}
.testimonial-cards{display:flex;flex-direction:column;gap:24px}
.testimonial-card{background:var(--dark-surface);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:28px;transition:transform .3s,box-shadow .3s}
.testimonial-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(0,0,0,.25)}
.testimonial-card p{font-size:15px;line-height:1.7;color:rgba(255,255,255,.8);margin-bottom:20px}
/* FAQ */
.faq-section{background:var(--bg-light)}
.faq-layout{display:grid;grid-template-columns:1fr 2fr;gap:64px}
.faq-left .section-head{margin-bottom:16px}
.faq-left p{font-size:15px;color:var(--muted);margin-bottom:24px}
.faq-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);transition:background .3s}
.faq-item.open{background:rgba(0,178,107,.04)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:20px 8px;text-align:left;font-size:16px;font-weight:500;color:var(--ink);transition:color .3s}
.faq-q:hover{color:var(--primary-hover)}
.faq-icon{position:relative;width:20px;height:20px;flex-shrink:0;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.faq-icon::before{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:14px;height:2px;background:var(--muted);border-radius:1px}
.faq-icon::after{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:2px;height:14px;background:var(--muted);border-radius:1px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .45s cubic-bezier(.2,.7,.3,1)}
.faq-a p{padding:0 8px 20px;font-size:15px;line-height:1.75;color:var(--muted)}
.faq-item.open .faq-a{max-height:300px}
/* CTA */
.cta-section{background:var(--dark);color:#fff;overflow:hidden;position:relative}
.cta-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') no-repeat center/cover;opacity:.25}
.cta-section::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,178,107,.25),rgba(22,27,31,.7));z-index:1}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding:64px 0}
.cta-inner h2{font-size:clamp(1.8rem,3.2vw,2.6rem);font-weight:800;line-height:1.2;max-width:600px}
.cta-inner p{margin-top:12px;color:rgba(255,255,255,.7);font-size:15px;max-width:520px}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap}
/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.6);padding:64px 0 24px;border-top:1px solid rgba(255,255,255,.08)}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:48px;margin-bottom:48px}
.footer-brand .brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.7;max-width:280px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:13px;color:rgba(255,255,255,.55);transition:color .3s}
.footer-col ul a:hover{color:var(--primary)}
.footer-contact{font-size:13px;line-height:1.8}
.footer-contact .item{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.footer-contact .fake-qr{width:96px;height:96px;border-radius:var(--radius-sm);background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(255,255,255,.4);border:1px dashed rgba(255,255,255,.15);margin-top:12px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding-top:24px;border-top:1px solid rgba(255,255,255,.06);font-size:13px;color:rgba(255,255,255,.4)}
.footer-bottom a{color:rgba(255,255,255,.6);transition:color .3s}
.footer-bottom a:hover{color:var(--primary)}
/* 滚动入场 */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .5s ease,transform .5s ease}
.reveal.revealed{opacity:1;transform:translateY(0)}
/* 响应式 */
@media (max-width:1024px){
  .container{max-width:100%}
  .hero-grid{grid-template-columns:1fr;gap:48px;padding-bottom:60px}
  .hero-visual{max-width:420px;margin:0 auto;width:100%}
  .float-card{display:none}
  .latest-grid{grid-template-columns:1fr;gap:24px}
  .testimonial-grid{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .steps-grid{grid-template-columns:1fr 1fr}
  .steps-grid .step-card:last-child{grid-column:1/-1}
}
@media (max-width:768px){
  :root{--section-gap:56px}
  .site-header{top:8px;width:calc(100% - 16px)}
  .dock{height:56px;padding:6px 8px 6px 14px;border-radius:var(--radius-full)}
  .brand-text{font-size:16px}
  .brand-sub{display:none}
  .nav{display:none}
  .search-trigger{display:none}
  .menu-toggle{display:flex}
  .dock-actions .btn{display:none}
  .hero{padding-top:120px}
  .hero-title{font-size:28px}
  .hero-actions .btn{width:100%}
  .steps-grid{grid-template-columns:1fr}
  .steps-grid .step-card:last-child{grid-column:auto}
  .step-connector{display:none}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .split{flex-direction:column}
  .testimonial-featured{padding:24px}
  .cta-inner{padding:40px 0}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .stats-grid{justify-content:flex-start}
  .stat-item h3{font-size:22px}
  .latest-featured .featured-cover{height:180px}
}
@media (max-width:520px){
  body{font-size:15px}
  .container{padding:0 16px}
  .dock{width:calc(100% - 12px);height:54px}
  .hero-title{font-size:24px}
  .login-panel .panel-body{padding:20px 16px}
  .stats-grid{gap:12px}
  .stat-item h3{font-size:20px}
  .stat-item p{font-size:12px}
  .cta-actions .btn{width:100%;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
  .float-card{animation:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root {
  --bg-light: #F6F6F4;
  --surface: #FFFFFF;
  --ink: #14161A;
  --muted: #6B7178;
  --line: #E7E5DF;
  --primary: #00B26B;
  --primary-hover: #00935A;
  --primary-soft: #E4F6EE;
  --accent: #F25C3D;
  --dark: #161B1F;
  --dark-surface: #1E242A;
  --success: #00A862;
  --warning: #FFB020;
  --error: #E5484D;
  --radius-card: 16px;
  --radius-btn: 999px;
  --radius-input: 12px;
  --shadow-card: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-hover: 0 16px 32px rgba(0,0,0,0.08);
  --shadow-dock: 0 8px 30px rgba(0,0,0,0.12);
  --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --container: 1200px;
  --reading: 760px;
  --space-96: 96px;
  --space-64: 64px;
  --space-48: 48px;
  --space-32: 32px;
  --space-24: 24px;
  --space-16: 16px;
  --ease: cubic-bezier(.2, .7, .3, 1);
}

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

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

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg-light);
  font-feature-settings: "tnum";
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .25s var(--ease), background-color .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

input {
  font-family: inherit;
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin-left: auto;
  margin-right: auto;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 178, 107, 0.25);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn-secondary:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary-hover);
}

.btn-sm {
  padding: 9px 20px;
  font-size: 14px;
}

/* ===== Dock 导航 ===== */
.site-header {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: min(1150px, calc(100% - 32px));
  background: rgba(255, 255, 255, 0.78);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: box-shadow .3s var(--ease), border-color .3s var(--ease);
}

.site-header.scrolled {
  box-shadow: var(--shadow-dock);
  border-color: rgba(0, 0, 0, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -0.01em;
}

.brand-text {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

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

.nav-link {
  position: relative;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  border-radius: 999px;
  transition: color .25s var(--ease), background .25s var(--ease);
}

.nav-link:hover {
  color: var(--ink);
  background: rgba(0, 0, 0, 0.04);
}

.nav-link.active {
  color: var(--primary-hover);
  background: var(--primary-soft);
  font-weight: 600;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 3px;
  border-radius: 2px;
  background: var(--primary);
}

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

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: var(--bg-light);
  font-size: 18px;
  color: var(--ink);
}

.menu-toggle:hover {
  background: var(--primary-soft);
}

/* 移动端抽屉 */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 85vw);
  background: var(--surface);
  z-index: 999;
  padding: 100px 32px 32px;
  box-shadow: -8px 0 30px rgba(0, 0, 0, 0.12);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform .35s var(--ease), visibility .35s var(--ease);
}

.mobile-drawer.open {
  transform: translateX(0);
  visibility: visible;
}

.mobile-drawer .drawer-link {
  padding: 14px 16px;
  border-radius: var(--radius-card);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}

.mobile-drawer .drawer-link:hover {
  background: var(--primary-soft);
  color: var(--primary-hover);
}

.mobile-drawer .drawer-link.active {
  background: var(--primary-soft);
  color: var(--primary-hover);
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s var(--ease);
}

.drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
}

/* ===== 面包屑 ===== */
.breadcrumb-wrap {
  padding-top: 100px;
  padding-bottom: 16px;
  background: var(--bg-light);
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.breadcrumb a {
  color: var(--muted);
}

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

.breadcrumb .sep {
  color: var(--line);
}

.breadcrumb .current {
  color: var(--ink);
  font-weight: 500;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== 文章主体 ===== */
.article-main {
  padding-top: 16px;
  padding-bottom: var(--space-96);
  background: var(--bg-light);
}

.article-container {
  max-width: var(--reading);
}

.article-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 48px 56px;
  box-shadow: var(--shadow-card);
}

.article-head {
  margin-bottom: var(--space-32);
}

.article-badge {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary-hover);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: var(--space-16);
}

.article-head h1 {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: var(--space-16);
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-16);
  font-size: 14px;
  color: var(--muted);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-item::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--line);
}

.article-meta .meta-item:first-child::before {
  display: none;
}

.article-body {
  border-top: 1px solid var(--line);
  padding-top: var(--space-32);
  font-size: 16px;
  line-height: 1.85;
  color: #2A2D33;
  word-break: break-word;
}

.article-body p {
  margin-bottom: var(--space-24);
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: var(--space-48);
  margin-bottom: var(--space-16);
  letter-spacing: -0.01em;
}

.article-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: var(--space-32);
  margin-bottom: var(--space-16);
}

.article-body img {
  border-radius: var(--radius-card);
  margin: var(--space-32) 0;
  box-shadow: var(--shadow-card);
}

.article-body figure {
  margin: var(--space-32) 0;
}

.article-body figcaption {
  font-size: 13px;
  color: var(--muted);
  text-align: center;
  margin-top: 8px;
}

.article-body blockquote {
  border-left: 3px solid var(--primary);
  background: var(--primary-soft);
  padding: var(--space-16) var(--space-24);
  border-radius: 0 12px 12px 0;
  margin: var(--space-32) 0;
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--ink);
}

.article-body ul,
.article-body ol {
  padding-left: 24px;
  margin-bottom: var(--space-24);
}

.article-body li {
  margin-bottom: 8px;
}

.article-body pre {
  background: #F0F1F2;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: var(--space-24);
  overflow-x: auto;
  font-family: SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  line-height: 1.6;
  margin: var(--space-32) 0;
}

.article-body code {
  background: rgba(0, 0, 0, 0.05);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}

.article-body pre code {
  background: none;
  padding: 0;
}

/* 内容未找到 */
.not-found {
  text-align: center;
  padding: var(--space-48) 0;
}

.not-found-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary-hover);
  font-size: 28px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-16);
}

.not-found h2 {
  font-size: 24px;
  margin-bottom: 12px;
}

.not-found p {
  color: var(--muted);
  margin-bottom: var(--space-24);
}

/* 返回列表 */
.article-footer-links {
  margin-top: var(--space-32);
  text-align: center;
}

/* 上下篇 */
.article-prev-next {
  margin-top: var(--space-16);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.pn-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 8px;
  border-bottom: 1px solid var(--line);
  transition: background .25s var(--ease), padding-left .25s var(--ease);
}

.pn-item:last-child {
  border-bottom: none;
}

.pn-item:hover {
  background: var(--primary-soft);
  padding-left: 16px;
}

.pn-item .pn-label {
  font-size: 13px;
  color: var(--muted);
  flex-shrink: 0;
}

.pn-item .pn-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pn-item.next {
  flex-direction: row-reverse;
}

.pn-item.next:hover {
  padding-left: 8px;
  padding-right: 16px;
}

/* ===== 相关推荐 ===== */
.related-section {
  padding: var(--space-96) 0;
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-32);
}

.section-head h2 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.more-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary-hover);
  transition: gap .25s var(--ease);
}

.more-link:hover {
  gap: 8px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-24);
}

.related-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: box-shadow .3s var(--ease), transform .3s var(--ease), border-color .3s var(--ease);
}

.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(0, 178, 107, 0.3);
}

.related-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--dark);
}

.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s var(--ease);
}

.related-card:hover .related-thumb img {
  transform: scale(1.03);
}

.related-body {
  padding: var(--space-24);
}

.related-body h4 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 8px;
  color: var(--ink);
}

.related-card:hover .related-body h4 {
  color: var(--primary-hover);
}

.related-date {
  font-size: 13px;
  color: var(--muted);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: #A6ADB5;
  font-size: 14px;
  padding-top: var(--space-64);
}

.site-footer .container {
  padding-bottom: var(--space-32);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-48);
  padding-bottom: var(--space-48);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .brand {
  margin-bottom: var(--space-16);
}

.footer-brand .brand-text {
  color: #fff;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  color: #8A9199;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: var(--space-16);
}

.footer-col ul {
  list-style: none;
}

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

.footer-col ul a {
  color: #8A9199;
  font-size: 14px;
  transition: color .25s var(--ease);
}

.footer-col ul a:hover {
  color: var(--primary);
}

.footer-contact .item {
  margin-bottom: 12px;
  font-size: 13px;
  color: #8A9199;
}

.fake-qr {
  width: 88px;
  height: 88px;
  background: var(--dark-surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #6B7178;
  margin-top: var(--space-16);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: var(--space-32);
  font-size: 13px;
  color: #6B7178;
}

.footer-bottom a {
  color: #8A9199;
}

.footer-bottom a:hover {
  color: var(--primary);
}

/* ===== 滚动入场 ===== */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s var(--ease);
}

.js .reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .btn,
  .related-card,
  .site-header {
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .article-card {
    padding: 40px 36px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 58px;
    padding: 0 16px;
  }
  .nav-links {
    display: none;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .nav-cta {
    padding: 9px 16px;
    font-size: 13px;
  }
  .breadcrumb-wrap {
    padding-top: 88px;
  }
  .article-main {
    padding-bottom: var(--space-64);
  }
  .article-card {
    padding: 32px 20px;
    border-radius: var(--radius-card);
  }
  .article-head h1 {
    font-size: 1.7rem;
  }
  .related-grid {
    grid-template-columns: 1fr;
    gap: var(--space-16);
  }
  .related-section {
    padding: var(--space-64) 0;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-32);
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .pn-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .pn-item.next {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .brand-text {
    font-size: 14px;
  }
  .brand-mark {
    width: 30px;
    height: 30px;
    font-size: 15px;
  }
  .header-inner {
    padding: 0 12px;
  }
  .btn-sm {
    padding: 8px 14px;
    font-size: 13px;
  }
  .article-card {
    padding: 24px 16px;
  }
  .article-body {
    font-size: 15px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-24);
  }
  .footer-bottom {
    padding-top: var(--space-24);
  }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --bg-light: #F6F6F4;
  --surface: #FFFFFF;
  --ink: #14161A;
  --muted: #6B7178;
  --line: #E7E5DF;
  --primary: #00B26B;
  --primary-hover: #00935A;
  --primary-soft: #E4F6EE;
  --accent: #F25C3D;
  --dark: #161B1F;
  --dark-surface: #1E242A;
  --success: #00A862;
  --warning: #FFB020;
  --error: #E5484D;
  --radius: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 16px 32px rgba(0, 0, 0, 0.08);
  --shadow-nav: 0 8px 30px rgba(0, 0, 0, 0.12);
  --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --container: 1200px;
  --gutter: 24px;
}

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

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

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg-light);
  overflow-x: hidden;
  font-feature-settings: "tnum";
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
}

/* ===== 容器 ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ===== 顶部浮动 Dock 导航 ===== */
.site-header {
  position: fixed;
  top: 12px;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  pointer-events: none;
}

.nav-dock {
  width: min(1150px, calc(100% - 32px));
  height: 64px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  padding: 0 20px 0 24px;
  gap: 20px;
  pointer-events: auto;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.site-header.scrolled .nav-dock {
  box-shadow: var(--shadow-nav);
  border-color: rgba(0, 0, 0, 0.05);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -0.5px;
}

.brand-text {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.nav {
  display: flex;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  border-radius: var(--radius-pill);
  position: relative;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--ink);
  background: rgba(0, 0, 0, 0.04);
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 4px;
  border-radius: 4px;
  background: var(--primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  transition: background 0.2s;
}

.nav-toggle:hover {
  background: rgba(0, 0, 0, 0.05);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.3s;
}

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

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

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

/* ===== 移动端抽屉菜单 ===== */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--surface);
  z-index: 98;
  padding: 110px 32px 40px;
  transform: translateY(-100%);
  transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.mobile-drawer.open {
  transform: translateY(0);
}

.drawer-brand {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 32px;
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.drawer-nav a {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  padding: 14px 12px;
  border-radius: 12px;
  transition: background 0.2s, color 0.2s;
}

.drawer-nav a:hover {
  background: var(--primary-soft);
  color: var(--primary-hover);
}

.drawer-nav a.active {
  color: var(--primary-hover);
  background: var(--primary-soft);
}

.mobile-drawer .btn {
  margin-top: 32px;
  width: 100%;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 97;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.drawer-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* ===== 按钮体系 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.2, 0.7, 0.3, 1);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 178, 107, 0.25);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost-light {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-ghost-light:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.btn-white {
  background: #fff;
  color: var(--dark);
}

.btn-white:hover {
  background: rgba(255, 255, 255, 0.88);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-outline-light:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

/* ===== Hero 首屏 ===== */
.page-hero {
  background: var(--dark);
  padding: 170px 0 72px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 62%;
  height: 100%;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center right;
  opacity: 0.32;
  z-index: 1;
}

.page-hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, rgba(22, 27, 31, 0.96) 0%, rgba(22, 27, 31, 0.78) 48%, rgba(22, 27, 31, 0.35) 100%);
  z-index: 2;
}

.hero-inner {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 55% 45%;
  gap: 64px;
  align-items: center;
}

.hero-copy {
  max-width: 600px;
}

.chip {
  display: inline-block;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.85);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero-copy h1 {
  font-size: clamp(2.2rem, 4.4vw, 3.6rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.18;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 36px;
  max-width: 520px;
}

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

/* ===== Hero 右侧面板卡 ===== */
.hero-panel {
  position: relative;
}

.panel-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 20px;
  padding: 24px 28px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 16px;
  margin-bottom: 8px;
}

.panel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(0, 168, 98, 0.2);
}

.panel-tag {
  margin-left: auto;
  background: rgba(0, 178, 107, 0.2);
  color: #2eea9a;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 600;
}

.panel-body {
  padding: 4px 0;
}

.panel-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.panel-row:last-child {
  border-bottom: none;
}

.panel-row strong {
  color: #34e39a;
  font-size: 13px;
  font-weight: 600;
}

.panel-foot {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 14px;
  font-size: 14px;
}

.panel-foot a {
  color: var(--primary);
  font-weight: 600;
  transition: color 0.2s;
}

.panel-foot a:hover {
  color: #34e39a;
}

/* ===== 数据指标薄条 ===== */
.stats-bar {
  position: relative;
  z-index: 3;
  padding-top: 48px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 28px 32px;
  background: rgba(255, 255, 255, 0.04);
}

.stat {
  text-align: center;
  padding: 8px 0;
}

.stat strong {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}

.stat span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

/* ===== 图文交错区 ===== */
.alt-section {
  padding: 96px 0;
}

.alt-section:nth-of-type(even) {
  background: var(--bg-light);
}

.alt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.alt-text .section-label {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary-hover);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.alt-text h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
  color: var(--ink);
  line-height: 1.3;
}

.alt-text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 20px;
}

.alt-text p:last-child {
  margin-bottom: 0;
}

.alt-media img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  object-fit: cover;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s, transform 0.3s;
}

.alt-media img:hover {
  box-shadow: 0 28px 56px rgba(0, 0, 0, 0.14);
  transform: translateY(-4px);
}

.alt-reverse .alt-media {
  order: 1;
}

.alt-reverse .alt-text {
  order: 2;
}

/* ===== 能力清单区 ===== */
.capability-section {
  padding: 96px 0;
  background: var(--surface);
}

.capability-head {
  max-width: 640px;
  margin-bottom: 48px;
}

.capability-head .section-label {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary-hover);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.capability-head h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.capability-head p {
  color: var(--muted);
  font-size: 15px;
}

.capability-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.capability-item {
  display: flex;
  gap: 22px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: box-shadow 0.3s, transform 0.3s;
}

.capability-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(0, 178, 107, 0.3);
}

.capability-num {
  font-size: 44px;
  font-weight: 800;
  color: var(--line);
  line-height: 1;
  font-feature-settings: "tnum";
  transition: color 0.3s;
}

.capability-item:hover .capability-num {
  color: var(--primary);
}

.capability-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.capability-item p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* ===== CTA 入口条 ===== */
.cta-entry {
  padding: 96px 0;
  background: var(--bg-light);
}

.cta-inner {
  position: relative;
  background: var(--dark);
  border-radius: 24px;
  padding: 64px 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  overflow: hidden;
}

.cta-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.25;
  z-index: 1;
}

.cta-inner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(22, 27, 31, 0.9) 0%, rgba(22, 27, 31, 0.6) 100%);
  z-index: 2;
}

.cta-inner > div,
.cta-inner > .cta-actions {
  position: relative;
  z-index: 3;
}

.cta-inner h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.cta-inner p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 480px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 14px;
  line-height: 1.7;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 32px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-brand .brand-text {
  color: #fff;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

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

.footer-col a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--primary);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: rgba(255, 255, 255, 0.6);
}

.fake-qr {
  width: 80px;
  height: 80px;
  border: 1px dashed rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 8px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.2s;
}

.footer-bottom a:hover {
  color: var(--primary);
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .nav {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-actions {
    margin-left: auto;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-copy {
    max-width: 100%;
  }
  .hero-panel {
    max-width: 520px;
  }
  .alt-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .alt-reverse .alt-media {
    order: inherit;
  }
  .capability-list {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 48px 40px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 767px) {
  body {
    font-size: 15px;
  }
  .nav-dock {
    height: 56px;
    padding: 0 16px 0 18px;
  }
  .brand-text {
    font-size: 15px;
  }
  .brand-mark {
    width: 32px;
    height: 32px;
    font-size: 16px;
    border-radius: 8px;
  }
  .btn-sm {
    padding: 7px 14px;
    font-size: 13px;
  }
  .page-hero {
    padding: 130px 0 48px;
  }
  .hero-copy h1 {
    font-size: clamp(1.7rem, 5.6vw, 2.2rem);
  }
  .hero-sub {
    font-size: 15px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding: 20px;
  }
  .stat strong {
    font-size: 20px;
  }
  .stat span {
    font-size: 12px;
  }
  .panel-card {
    padding: 18px 20px;
  }
  .alt-section {
    padding: 64px 0;
  }
  .alt-grid {
    gap: 32px;
  }
  .alt-text h2 {
    font-size: 1.35rem;
  }
  .alt-media img {
    border-radius: 14px;
  }
  .capability-section {
    padding: 64px 0;
  }
  .capability-list {
    gap: 16px;
  }
  .capability-item {
    padding: 20px;
    gap: 14px;
  }
  .capability-num {
    font-size: 32px;
  }
  .cta-entry {
    padding: 64px 0;
  }
  .cta-inner {
    padding: 40px 24px;
    border-radius: 20px;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .nav-actions .btn-sm {
    display: none;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 16px;
  }
  .stat strong {
    font-size: 18px;
  }
}

/* ===== 减少动效偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* roulang page: category2 */
:root {
  --bg-light: #F6F6F4;
  --surface: #FFFFFF;
  --ink: #14161A;
  --muted: #6B7178;
  --line: #E7E5DF;
  --primary: #00B26B;
  --primary-hover: #00935A;
  --primary-soft: #E4F6EE;
  --accent: #F25C3D;
  --dark: #161B1F;
  --dark-surface: #1E242A;
  --success: #00A862;
  --warning: #FFB020;
  --error: #E5484D;
  --radius-card: 16px;
  --radius-btn: 999px;
  --radius-input: 12px;
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 16px 32px rgba(0, 0, 0, 0.08);
  --shadow-dock: 0 8px 30px rgba(0, 0, 0, 0.12);
  --container: 1200px;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --ease: cubic-bezier(.2, .7, .3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-light);
  color: var(--ink);
  line-height: 1.75;
  font-size: 16px;
  font-feature-settings: "tnum";
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input {
  font-family: inherit;
}

ul,
ol {
  list-style: none;
}

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

.container {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 999px;
  font-weight: 600;
  transition: all .25s var(--ease);
  white-space: nowrap;
}

.btn .arrow {
  display: inline-block;
  transition: transform .25s var(--ease);
}

.btn:hover .arrow {
  transform: translateX(4px);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  padding: 10px 22px;
  font-size: 14px;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 178, 107, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 10px 22px;
  font-size: 14px;
}

.btn-ghost:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary-hover);
}

.btn-white {
  background: #fff;
  color: var(--primary-hover);
  padding: 14px 28px;
  font-size: 15px;
}

.btn-white:hover {
  background: var(--primary-soft);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.btn-dark-ghost {
  background: transparent;
  color: rgba(255, 255, 255, .9);
  border: 1px solid rgba(255, 255, 255, .24);
  padding: 14px 28px;
  font-size: 15px;
}

.btn-dark-ghost:hover {
  border-color: var(--primary);
  background: rgba(0, 178, 107, .12);
}

.site-header {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: min(1150px, calc(100% - 32px));
}

.site-header.scrolled .nav {
  border-color: var(--line);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: 999px;
  padding: 10px 12px 10px 20px;
  box-shadow: var(--shadow-dock);
  border: 1px solid rgba(255, 255, 255, 0.5);
  transition: box-shadow .3s ease, border-color .3s ease;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink);
  flex-shrink: 0;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--dark);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
}

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

.nav-link {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  transition: background .2s, color .2s;
}

.nav-link:hover {
  background: var(--primary-soft);
  color: var(--primary-hover);
}

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

.nav-link.active::after {
  content: '';
  display: block;
  width: 16px;
  height: 4px;
  border-radius: 999px;
  background: var(--primary);
  margin: 3px auto 0;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  align-items: center;
  justify-content: center;
  background: #fff;
  transition: border-color .2s, background .2s;
}

.menu-toggle:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.menu-toggle .bar {
  width: 16px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

.mobile-drawer {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: #fff;
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.16);
  border: 1px solid var(--line);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
  z-index: 99;
}

.mobile-drawer.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-drawer a {
  display: block;
  font-size: 17px;
  font-weight: 600;
  padding: 12px 8px;
  border-bottom: 1px solid var(--line);
  transition: color .2s, padding-left .2s;
}

.mobile-drawer a:hover {
  color: var(--primary-hover);
  padding-left: 12px;
}

.mobile-drawer a.active {
  color: var(--primary-hover);
}

.mobile-drawer .btn-primary {
  display: flex;
  justify-content: center;
  padding: 14px;
  margin-top: 10px;
  border-bottom: none;
  font-size: 15px;
}

.mobile-drawer .btn-primary:hover {
  padding-left: 14px;
}

.page-hero {
  background: var(--dark);
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 148px 0 76px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(22, 27, 31, .94) 0%, rgba(22, 27, 31, .82) 55%, rgba(22, 27, 31, .52) 100%);
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.hero-breadcrumb {
  font-size: 13px;
  color: rgba(255, 255, 255, .65);
  margin-bottom: 18px;
  display: flex;
  gap: 8px;
  align-items: center;
}

.hero-breadcrumb a:hover {
  color: var(--primary);
}

.hero-breadcrumb .sep {
  opacity: .5;
}

.page-hero h1 {
  color: #fff;
  font-size: clamp(1.9rem, 3.4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.page-hero .lead {
  color: rgba(255, 255, 255, .8);
  font-size: 16px;
  max-width: 660px;
  margin-bottom: 8px;
}

.guide-section {
  padding: 72px 0;
}

.guide-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  align-items: start;
}

.guide-main {
  display: grid;
  gap: 40px;
}

.guide-side {
  position: sticky;
  top: 100px;
  align-self: start;
  display: grid;
  gap: 20px;
}

.content-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.content-panel .kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-soft);
  color: var(--primary-hover);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
  letter-spacing: .02em;
}

.content-panel h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.content-panel .panel-desc {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 26px;
  max-width: 620px;
}

.check-list {
  display: grid;
  gap: 14px;
}

.check-list li {
  display: flex;
  gap: 14px;
  background: var(--bg-light);
  border-radius: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  align-items: flex-start;
  transition: border-color .2s, box-shadow .2s;
}

.check-list li:hover {
  border-color: rgba(0, 178, 107, .35);
  box-shadow: 0 8px 18px rgba(0, 0, 0, .05);
}

.check-list .num {
  flex: 0 0 28px;
  height: 28px;
  border-radius: 10px;
  background: var(--dark);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.check-list .item-title {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 2px;
}

.check-list .item-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

.guide-figure {
  border-radius: var(--radius-card);
  margin-bottom: 28px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  width: 100%;
  object-fit: cover;
}

.steps-list {
  display: grid;
}

.steps-list li {
  position: relative;
  padding: 0 0 32px 48px;
}

.steps-list li::before {
  content: '';
  position: absolute;
  left: 17px;
  top: 40px;
  bottom: -4px;
  width: 2px;
  background: var(--line);
  border-radius: 2px;
}

.steps-list li:last-child::before {
  display: none;
}

.step-badge {
  position: absolute;
  left: 0;
  top: 2px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--dark);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .02em;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .12);
}

.step-title {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 4px;
}

.step-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.faq-block {
  margin-top: 8px;
  background: var(--bg-light);
  border-radius: 16px;
  padding: 24px 22px;
  border: 1px solid var(--line);
}

.faq-block h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.faq-block .faq-note {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
  background: transparent;
  transition: background .3s ease;
}

.faq-item[open] {
  background: rgba(228, 246, 238, .5);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 4px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  list-style: none;
  transition: color .2s;
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

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

.faq-item summary .q-icon {
  flex: 0 0 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary-hover);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-item summary .icon {
  flex: 0 0 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--muted);
  transition: transform .3s var(--ease), border-color .3s, background .3s;
}

.faq-item[open] summary .icon {
  transform: rotate(45deg);
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary-hover);
}

.faq-item .answer {
  padding: 0 4px 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.widget {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

.widget h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 8px;
}

.widget h3::before {
  content: '';
  width: 4px;
  height: 16px;
  border-radius: 999px;
  background: var(--primary);
  flex-shrink: 0;
}

.toc-list li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 4px;
  font-size: 14px;
  color: var(--ink);
  border-radius: 8px;
  transition: background .2s, color .2s;
}

.toc-list li a:hover {
  color: var(--primary-hover);
  background: var(--primary-soft);
}

.toc-list li a .arrow {
  color: var(--muted);
  font-size: 13px;
  transition: transform .2s, color .2s;
}

.toc-list li a:hover .arrow {
  transform: translateX(4px);
  color: var(--primary-hover);
}

.contact-list {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.contact-list .item {
  display: flex;
  gap: 10px;
  align-items: center;
  background: var(--bg-light);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 13px;
  color: var(--muted);
  word-break: break-all;
}

.contact-list .icon {
  font-size: 16px;
  flex-shrink: 0;
}

.contact-cta {
  margin-top: 16px;
  width: 100%;
}

.related-links {
  display: grid;
  gap: 8px;
}

.related-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: var(--bg-light);
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  transition: all .2s var(--ease);
  border: 1px solid var(--line);
}

.related-links a:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary-hover);
  transform: translateX(3px);
}

.related-links a .arrow {
  color: var(--muted);
  font-size: 13px;
  transition: color .2s;
}

.related-links a:hover .arrow {
  color: var(--primary-hover);
}

.cta-band {
  background: var(--dark);
  padding: 72px 0;
  background-image: linear-gradient(100deg, rgba(0, 178, 107, .28), rgba(22, 27, 31, .82)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
}

.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: var(--dark-surface);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 24px;
  padding: 48px;
}

.cta-card h2 {
  color: #fff;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.cta-card p {
  color: rgba(255, 255, 255, .72);
  font-size: 15px;
  max-width: 640px;
}

.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, .75);
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 56px 0 28px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .brand {
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-brand .brand-mark {
  background: var(--primary);
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .6);
  max-width: 300px;
}

.footer-col h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-col ul {
  display: grid;
  gap: 8px;
}

.footer-col ul a {
  font-size: 13px;
  color: rgba(255, 255, 255, .62);
  transition: color .2s;
}

.footer-col ul a:hover {
  color: var(--primary);
}

.footer-contact .item {
  font-size: 13px;
  color: rgba(255, 255, 255, .62);
  margin-bottom: 10px;
  word-break: break-all;
}

.fake-qr {
  width: 88px;
  height: 88px;
  background: rgba(255, 255, 255, .08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: rgba(255, 255, 255, .5);
  margin-top: 12px;
  border: 1px dashed rgba(255, 255, 255, .18);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
  flex-wrap: wrap;
}

.footer-bottom a {
  color: rgba(255, 255, 255, .6);
}

.footer-bottom a:hover {
  color: var(--primary);
}

.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}

.js .reveal.in-view {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-drawer {
    display: block;
  }

  .guide-layout {
    grid-template-columns: 1fr;
  }

  .guide-side {
    position: static;
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .guide-side .widget:last-child {
    grid-column: 1 / -1;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .site-header {
    top: 8px;
    width: calc(100% - 24px);
  }

  .nav {
    border-radius: 18px;
    padding: 8px 10px 8px 16px;
  }

  .page-hero {
    padding: 118px 0 48px;
  }

  .page-hero h1 {
    font-size: clamp(1.6rem, 5.4vw, 2.1rem);
  }

  .guide-section {
    padding: 48px 0;
  }

  .content-panel {
    padding: 26px 20px;
  }

  .cta-card {
    padding: 28px 22px;
    flex-direction: column;
    align-items: flex-start;
  }

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

@media (max-width: 600px) {
  .container {
    width: calc(100% - 32px);
  }

  .nav-actions .btn-primary {
    display: none;
  }

  .brand-text {
    font-size: 15px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }

  .guide-side {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
  }

  .page-hero .lead {
    font-size: 15px;
  }

  .content-panel {
    padding: 22px 18px;
  }

  .check-list li {
    padding: 14px;
  }

  .steps-list li {
    padding-left: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}