/* roulang page: index */
:root {
  --primary: #E07A2F;
  --primary-dark: #C05A1E;
  --secondary: #2A2826;
  --accent: #66785C;
  --bg: #FAF6EF;
  --bg-alt: #F0E9DF;
  --bg-dark: #2A2826;
  --text: #2A2826;
  --text-sub: #6B625A;
  --text-inverse: #F7F2EA;
  --border: rgba(42,40,38,.08);
  --border-dark: rgba(255,255,255,.1);
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 2px 8px rgba(40,36,32,.06);
  --shadow-hover: 0 12px 28px rgba(40,36,32,.12);
  --transition: .3s ease;
  --container-w: 1200px;
  --space-sec: clamp(56px,8vw,96px);
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
}
*,*::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:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--primary-dark)}
button{font-family:var(--font);cursor:pointer}
input,textarea{font-family:var(--font)}
ul,ol{list-style:none}
.container{max-width:var(--container-w);margin:0 auto;padding:0 20px}
.row{max-width:var(--container-w);margin:0 auto;padding:0 20px}
.row::before,.row::after{display:table;content:' '}
.row::after{clear:both}
.column,.columns{float:left;padding:0 12px}
@media screen and (min-width:64em){
  .large-3{width:25%}.large-4{width:33.333%}.large-5{width:41.666%}
  .large-6{width:50%}.large-7{width:58.333%}.large-8{width:66.666%}.large-12{width:100%}
}
@media screen and (min-width:40.0625em) and (max-width:64em){
  .medium-4{width:33.333%}.medium-6{width:50%}.medium-12{width:100%}
}
@media screen and (max-width:40em){
  .small-12{width:100%}
}
.section{padding:var(--space-sec) 0;position:relative}
.section-alt{background:var(--bg-alt)}
.section-title{font-size:clamp(26px,3.4vw,38px);line-height:1.25;font-weight:800;margin-bottom:12px;color:var(--text)}
.section-subtitle{font-size:16px;line-height:1.7;color:var(--text-sub);max-width:640px;margin-bottom:40px}
.section-head{text-align:center;margin-bottom:48px}
.section-head .section-subtitle{margin-left:auto;margin-right:auto}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--radius-sm);font-size:16px;font-weight:600;border:none;transition:all var(--transition);text-decoration:none;cursor:pointer;line-height:1}
.btn:focus-visible,.chip:focus-visible,a:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;box-shadow:var(--shadow-hover);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border);box-shadow:0 0 0 1px var(--border) inset}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);box-shadow:none}
.btn-lg{height:56px;padding:0 36px;font-size:17px}
.btn-sm{height:42px;padding:0 20px;font-size:14px}

.chip{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:999px;font-size:14px;font-weight:500;background:var(--bg-alt);color:var(--text);border:1px solid transparent;transition:all var(--transition);cursor:pointer;text-decoration:none;line-height:1.4}
.chip:hover{background:var(--bg);border-color:var(--primary);color:var(--primary)}
.chip.active{background:var(--primary);color:#fff;font-weight:600}
.chip.active:hover{background:var(--primary-dark);color:#fff}

.site-header{position:sticky;top:0;z-index:1000;background:rgba(250,246,239,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px;flex-wrap:nowrap}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.logo svg{width:36px;height:36px;flex-shrink:0}
.logo span{font-size:24px;font-weight:800;color:var(--text);letter-spacing:1px}
.main-nav{flex:1;display:flex;justify-content:center;overflow-x:auto;scrollbar-width:none}
.main-nav::-webkit-scrollbar{display:none}
.nav-chips{display:flex;gap:8px;align-items:center;padding:4px 0;white-space:nowrap}
.header-cta{flex-shrink:0}

.hero{position:relative;background-size:cover;background-position:center;color:var(--text-inverse);overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(42,40,38,.88) 0%,rgba(42,40,38,.72) 45%,rgba(42,40,38,.45) 100%);z-index:1}
.hero .container{position:relative;z-index:2;padding-top:96px;padding-bottom:72px}
.hero-nav{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px;position:relative;z-index:3}
.hero-nav .chip{background:rgba(255,255,255,.15);color:var(--text-inverse);border-color:rgba(255,255,255,.25);backdrop-filter:blur(6px)}
.hero-nav .chip:hover{background:rgba(255,255,255,.25);color:#fff;border-color:var(--primary)}
.hero-nav .chip.active{background:var(--primary);border-color:var(--primary);color:#fff}
.hero-badge{display:inline-block;background:rgba(224,122,47,.2);color:#ffd9bd;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:20px;letter-spacing:.5px}
.hero-title{font-size:clamp(36px,5vw,54px);line-height:1.15;font-weight:800;color:var(--text-inverse);margin-bottom:20px;max-width:720px}
.hero-subtitle{font-size:clamp(15px,1.5vw,18px);line-height:1.8;color:rgba(247,242,234,.88);max-width:540px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.hero-actions .btn-outline{color:var(--text-inverse);border-color:rgba(255,255,255,.35)}
.hero-actions .btn-outline:hover{border-color:var(--primary);color:#fff}
.hero-data{display:flex;gap:36px;flex-wrap:wrap}
.hero-data-item{display:flex;flex-direction:column;gap:2px}
.hero-data-item strong{font-size:30px;font-weight:800;color:var(--primary);line-height:1.2}
.hero-data-item span{font-size:13px;color:rgba(247,242,234,.75)}

.trust-bar{background:var(--bg-alt);border-bottom:1px solid var(--border)}
.trust-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;padding:32px 0}
.trust-item{text-align:center;flex:1;min-width:120px}
.trust-item strong{display:block;font-size:clamp(22px,2.5vw,32px);font-weight:800;color:var(--text)}
.trust-item span{font-size:13px;color:var(--text-sub)}

.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.entry-card{background:var(--text-inverse);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);transition:all var(--transition);text-decoration:none;border:1px solid transparent;display:flex;flex-direction:column;gap:12px}
.entry-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:rgba(224,122,47,.25)}
.entry-card .entry-icon{width:52px;height:52px;border-radius:14px;background:rgba(224,122,47,.12);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:22px}
.entry-card h3{font-size:18px;font-weight:700;color:var(--text);margin:0}
.entry-card p{font-size:14px;color:var(--text-sub);line-height:1.6;margin:0;flex:1}
.entry-card .entry-link{font-size:14px;font-weight:600;color:var(--primary)}
.entry-card:nth-child(2) .entry-icon{background:rgba(102,120,92,.15);color:var(--accent)}
.entry-card:nth-child(3) .entry-icon{background:rgba(224,122,47,.2);color:var(--primary-dark)}
.entry-card:nth-child(4) .entry-icon{background:rgba(42,40,38,.08);color:var(--secondary)}

.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:stretch}
.feature-card{border-radius:var(--radius-lg);padding:32px;display:flex;flex-direction:column;gap:16px;transition:all var(--transition);position:relative;overflow:hidden}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.feature-light{background:var(--bg-alt);border:1px solid var(--border)}
.feature-light .feature-icon{width:48px;height:48px;border-radius:12px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px}
.feature-light h3{font-size:20px;font-weight:700}
.feature-light p{font-size:15px;color:var(--text-sub);line-height:1.7}
.feature-dark{background:var(--bg-dark);color:var(--text-inverse)}
.feature-dark .feature-num{font-size:48px;font-weight:800;color:var(--primary);line-height:1}
.feature-dark h3{font-size:20px;font-weight:700;color:var(--text-inverse)}
.feature-dark p{font-size:15px;color:rgba(247,242,234,.72);line-height:1.7}
.feature-dark .feature-link{color:var(--primary)}
.feature-dark .feature-link:hover{color:#ffb37f}
.feature-border{background:var(--text-inverse);border:1px solid var(--border)}
.feature-border h3{font-size:20px;font-weight:700}
.feature-border p{font-size:15px;color:var(--text-sub);line-height:1.7}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.feature-tags .tag{background:var(--bg-alt);padding:5px 12px;border-radius:999px;font-size:13px;color:var(--text)}
.feature-link{font-size:14px;font-weight:600;color:var(--primary);text-decoration:none;margin-top:auto}
.feature-link:hover{color:var(--primary-dark)}

.timeline{position:relative;max-width:800px;margin:0 auto;padding-left:30px}
.timeline::before{content:'';position:absolute;left:8px;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--primary),var(--accent));border-radius:3px}
.timeline-item{position:relative;padding-bottom:36px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{content:'';position:absolute;left:-26px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--bg);border:4px solid var(--primary);box-sizing:border-box}
.timeline-dot{position:absolute;left:-30px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--bg);border:4px solid var(--primary)}
.timeline-date{font-size:14px;font-weight:700;color:var(--primary);letter-spacing:.5px}
.timeline-content h3{font-size:18px;font-weight:700;margin-bottom:4px;color:var(--text)}
.timeline-content p{font-size:15px;color:var(--text-sub);line-height:1.6;margin:0}

.scenario-block{display:flex;align-items:center;gap:48px;flex-direction:row-reverse;margin-bottom:56px}
.scenario-block:nth-child(even){flex-direction:row}
.scenario-block:last-child{margin-bottom:0}
.scenario-image{flex:1;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);position:relative}
.scenario-image img{width:100%;height:320px;object-fit:cover;transition:transform .5s ease}
.scenario-image:hover img{transform:scale(1.03)}
.scenario-content{flex:1}
.scenario-content .scenario-label{display:inline-block;font-size:14px;font-weight:600;color:var(--primary);background:rgba(224,122,47,.1);padding:4px 14px;border-radius:999px;margin-bottom:14px}
.scenario-content h3{font-size:24px;font-weight:700;margin-bottom:12px}
.scenario-content p{font-size:15px;color:var(--text-sub);line-height:1.8;margin-bottom:16px}
.scenario-tags{display:flex;gap:8px;flex-wrap:wrap}
.scenario-tags .tag{background:var(--bg-alt);padding:4px 12px;border-radius:999px;font-size:13px;color:var(--text)}

.news-section .news-layout{display:grid;grid-template-columns:3fr 2fr;gap:40px;align-items:start}
.news-list{background:var(--text-inverse);border-radius:var(--radius);padding:24px 28px;box-shadow:var(--shadow)}
.news-title-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.news-title-row h3{font-size:18px;font-weight:700}
.news-title-row a{font-size:14px;color:var(--primary);font-weight:600}
.news-item{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--border);gap:16px}
.news-item:last-child{border-bottom:none}
.news-item a{font-size:15px;color:var(--text);font-weight:500;line-height:1.5;text-decoration:none;transition:color var(--transition)}
.news-item a:hover{color:var(--primary)}
.news-date{font-size:13px;color:var(--text-sub);flex-shrink:0}
.news-sidebar{display:flex;flex-direction:column;gap:20px}
.news-sidebar .side-card{background:var(--text-inverse);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow)}
.side-card h4{font-size:16px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.side-card h4 i{color:var(--primary)}
.side-tags{display:flex;flex-wrap:wrap;gap:6px}
.side-tags .tag{background:var(--bg-alt);padding:4px 12px;border-radius:999px;font-size:13px;color:var(--text);cursor:pointer;transition:all var(--transition)}
.side-tags .tag:hover{background:var(--primary);color:#fff}
.side-list li{padding:8px 0;border-bottom:1px solid var(--border);font-size:14px;color:var(--text)}
.side-list li:last-child{border-bottom:none}
.side-list li a{color:var(--text)}
.side-list li a:hover{color:var(--primary)}
.side-stat{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}
.side-stat .stat-box{background:var(--bg-alt);border-radius:10px;padding:14px;text-align:center}
.side-stat .stat-box strong{display:block;font-size:22px;font-weight:800;color:var(--text)}
.side-stat .stat-box span{font-size:13px;color:var(--text-sub)}

.social-proof{background:var(--bg-dark);color:var(--text-inverse);position:relative;overflow:hidden}
.social-proof::before{content:'';position:absolute;top:-60px;right:-60px;width:220px;height:220px;border-radius:50%;background:rgba(224,122,47,.15);filter:blur(60px)}
.social-proof::after{content:'';position:absolute;bottom:-80px;left:-40px;width:180px;height:180px;border-radius:50%;background:rgba(102,120,92,.2);filter:blur(60px)}
.proof-head{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:40px;position:relative;z-index:1}
.proof-head .big-number{font-size:48px;font-weight:800;color:var(--primary);line-height:1.1}
.proof-head .big-number span{display:block;font-size:16px;color:rgba(247,242,234,.7);font-weight:400;margin-top:4px}
.proof-head h3{font-size:clamp(22px,2.8vw,32px);font-weight:700;max-width:240px;line-height:1.4}
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:40px;position:relative;z-index:1}
.testimonial{background:rgba(255,255,255,.06);border:1px solid var(--border-dark);border-radius:var(--radius);padding:24px;backdrop-filter:blur(8px)}
.testimonial p{font-size:15px;line-height:1.8;color:rgba(247,242,234,.9);margin-bottom:16px}
.testimonial footer{font-size:14px;color:rgba(247,242,234,.7);font-style:normal;display:flex;align-items:center;gap:8px}
.testimonial footer .avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:14px;color:#fff;font-weight:700}
.trust-badges-row{display:flex;justify-content:center;gap:32px;flex-wrap:wrap;position:relative;z-index:1}
.trust-badge{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(247,242,234,.7)}
.trust-badge i{color:var(--accent);font-size:18px}

.guarantees-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.guarantee-item{background:var(--text-inverse);border-radius:var(--radius);padding:28px 24px;text-align:center;box-shadow:var(--shadow);transition:all var(--transition);border-top:4px solid var(--primary)}
.guarantee-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.guarantee-item:nth-child(2){border-top-color:var(--accent)}
.guarantee-item:nth-child(3){border-top-color:var(--primary)}
.guarantee-item:nth-child(4){border-top-color:var(--secondary)}
.guarantee-item .g-icon{width:52px;height:52px;border-radius:14px;background:rgba(224,122,47,.1);margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--primary)}
.guarantee-item:nth-child(2) .g-icon{background:rgba(102,120,92,.12);color:var(--accent)}
.guarantee-item:nth-child(3) .g-icon{background:rgba(224,122,47,.15);color:var(--primary-dark)}
.guarantee-item:nth-child(4) .g-icon{background:rgba(42,40,38,.07);color:var(--secondary)}
.guarantee-item h3{font-size:17px;font-weight:700;margin-bottom:8px}
.guarantee-item p{font-size:14px;color:var(--text-sub);line-height:1.6;margin:0}

.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.app-item{background:var(--text-inverse);border-radius:var(--radius);padding:28px 20px;text-align:center;border:1px solid var(--border);transition:all var(--transition);cursor:pointer}
.app-item:hover{border-color:var(--primary);box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.app-item .app-icon{font-size:30px;color:var(--primary);margin-bottom:12px}
.app-item h4{font-size:16px;font-weight:600;margin-bottom:4px}
.app-item p{font-size:13px;color:var(--text-sub);margin:0}

.faq-list{max-width:760px;margin:0 auto}
.faq-item{background:var(--text-inverse);border-radius:var(--radius);margin-bottom:12px;box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--border)}
.faq-item[open]{border-color:rgba(224,122,47,.3)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 24px;cursor:pointer;font-size:16px;font-weight:600;color:var(--text);min-height:44px;list-style:none;transition:background var(--transition)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--bg-alt)}
.faq-item summary::after{content:'\f107';font-family:'Font Awesome 6 Free';font-weight:900;color:var(--primary);font-size:20px;transition:transform var(--transition);flex-shrink:0}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item[open] summary{border-bottom:1px solid var(--border)}
.faq-answer{padding:18px 24px;font-size:15px;color:var(--text-sub);line-height:1.8;border-left:4px solid var(--primary);margin:0 24px 18px;border-radius:0 0 8px 8px;background:rgba(224,122,47,.04)}
.faq-more{text-align:center;margin-top:24px;font-size:15px}
.faq-more a{color:var(--primary);font-weight:600}

.cta-box{background:linear-gradient(135deg,var(--primary) 0%,#e58a3f 100%);border-radius:var(--radius-lg);padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:40px;color:#fff;position:relative;overflow:hidden}
.cta-box::after{content:'';position:absolute;top:-30px;right:-30px;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.1)}
.cta-box h2{font-size:clamp(22px,3vw,32px);font-weight:800;color:#fff;margin-bottom:12px;line-height:1.3}
.cta-box p{font-size:16px;color:rgba(255,255,255,.9);max-width:360px;line-height:1.7}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;max-width:440px;width:100%}
.cta-form input{flex:1;min-width:200px;height:48px;border-radius:var(--radius-sm);border:none;padding:0 16px;font-size:15px;background:#fff;color:var(--text)}
.cta-form input:focus{outline:3px solid rgba(255,255,255,.35)}
.cta-form input::placeholder{color:#9a9a9a}
.cta-form .btn{background:var(--secondary);color:#fff}
.cta-form .btn:hover{background:var(--bg-dark)}
.form-note{font-size:13px;color:rgba(255,255,255,.8);margin-top:8px;flex-basis:100%}
.form-status{flex-basis:100%;font-size:14px;font-weight:600;display:none}
.form-status.success{display:block;color:#dff3dc}
.form-status.error{display:block;color:#ffd9d9}

.site-footer{background:var(--bg-dark);color:rgba(247,242,234,.7);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;margin-bottom:48px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand .logo span{color:var(--text-inverse)}
.footer-brand p{font-size:14px;line-height:1.7;color:rgba(247,242,234,.6);max-width:260px}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;color:rgba(247,242,234,.7);font-size:16px;transition:all var(--transition);text-decoration:none}
.footer-social a:hover{background:var(--primary);color:#fff}
.footer-col h4{font-size:16px;font-weight:600;color:var(--text-inverse);margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:rgba(247,242,234,.6);font-size:14px;text-decoration:none}
.footer-col ul a:hover{color:var(--primary)}
.footer-contact li{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:14px;color:rgba(247,242,234,.6)}
.footer-contact li i{color:var(--primary);width:18px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;text-align:center;font-size:13px;color:rgba(247,242,234,.45)}
.footer-bottom a{color:var(--primary)}

.sticky-bar{position:fixed;bottom:0;left:0;right:0;background:var(--bg-dark);color:var(--text-inverse);z-index:999;padding:16px 24px 16px;display:flex;align-items:center;justify-content:center;gap:20px;border-top:1px solid rgba(255,255,255,.1);box-shadow:0 -8px 24px rgba(0,0,0,.2);transform:translateY(0);transition:transform .4s ease}
.sticky-bar.hidden{transform:translateY(100%)}
.sticky-bar p{font-size:15px;font-weight:500;color:rgba(247,242,234,.9);margin:0}
.sticky-bar .btn{flex-shrink:0}
.sticky-bar .close{background:none;border:none;color:rgba(247,242,234,.6);font-size:20px;cursor:pointer;padding:8px;line-height:1;transition:color var(--transition);flex-shrink:0}
.sticky-bar .close:hover{color:#fff}

@media screen and (max-width:64em){
  .entry-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .features-grid{grid-template-columns:1fr 1fr;gap:24px}
  .features-grid .feature-card:last-child{grid-column:1/-1}
  .news-layout{grid-template-columns:1fr;gap:24px}
  .testimonial-grid{grid-template-columns:1fr 1fr;gap:16px}
  .testimonial-grid .testimonial:last-child{grid-column:1/-1}
  .guarantees-grid{grid-template-columns:1fr 1fr;gap:16px}
  .app-grid{grid-template-columns:1fr 1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-box{flex-direction:column;text-align:center;padding:40px 28px}
  .cta-box p{margin-left:auto;margin-right:auto}
  .cta-form{justify-content:center}
}
@media screen and (max-width:40em){
  .header-inner{height:60px}
  .main-nav{order:3;width:100%;justify-content:flex-start;overflow-x:auto;padding-bottom:8px}
  .site-header{padding-bottom:0}
  .header-cta{display:none}
  .nav-chips{gap:6px;padding-bottom:8px}
  .hero .container{padding-top:64px;padding-bottom:48px}
  .hero-title{font-size:32px}
  .hero-data{flex-wrap:wrap;gap:20px 24px}
  .hero-data-item strong{font-size:24px}
  .trust-inner{gap:12px;padding:20px 0}
  .trust-item{min-width:calc(50% - 12px)}
  .entry-grid{grid-template-columns:1fr 1fr;gap:12px}
  .entry-card{padding:20px 16px}
  .entry-icon{width:44px;height:44px;font-size:18px}
  .features-grid{grid-template-columns:1fr;gap:16px}
  .feature-card{padding:24px}
  .scenario-block{flex-direction:column!important;gap:20px;margin-bottom:40px}
  .scenario-image img{height:220px}
  .news-list{padding:16px}
  .news-item{flex-direction:column;align-items:flex-start;gap:4px}
  .testimonial-grid{grid-template-columns:1fr;gap:12px}
  .testimonial-grid .testimonial:last-child{grid-column:auto}
  .guarantees-grid{grid-template-columns:1fr;gap:12px}
  .app-grid{grid-template-columns:1fr 1fr;gap:12px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .cta-box{padding:32px 20px}
  .cta-form input{min-width:100%}
  .sticky-bar{padding:10px 16px}
  .sticky-bar p{font-size:13px}
  .sticky-bar .btn{padding:0 14px;height:40px;font-size:13px}
  .sticky-bar .close{font-size:16px;padding:6px}
}

/* roulang page: category1 */
:root {
  --primary: #E07A2F;
  --primary-dark: #C05A1E;
  --secondary: #2A2826;
  --accent: #66785C;
  --bg: #FAF6EF;
  --bg-alt: #F0E9DF;
  --bg-dark: #2A2826;
  --text: #2A2826;
  --text-sub: #6B625A;
  --text-inverse: #F7F2EA;
  --border: rgba(42,40,38,.08);
  --border-dark: rgba(255,255,255,.1);
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 2px 8px rgba(40,36,32,.06);
  --shadow-hover: 0 12px 28px rgba(40,36,32,.12);
  --transition: .3s ease;
  --container-w: 1200px;
  --space-sec: clamp(56px,8vw,96px);
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  margin: 0;
  padding: 0;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition), border-color var(--transition), background var(--transition); }
a:hover { color: var(--primary-dark); }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: var(--font); }
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 20px; }
.row { max-width: var(--container-w); margin: 0 auto; padding: 0 20px; }
.row::before, .row::after { display: table; content: ' '; }
.row::after { clear: both; }
.column, .columns { float: left; padding: 0 12px; }
.section { padding: var(--space-sec) 0; position: relative; }
.section-alt { background: var(--bg-alt); }
.section-title { font-size: clamp(26px, 3.4vw, 38px); line-height: 1.25; font-weight: 800; margin-bottom: 12px; color: var(--text); }
.section-subtitle { font-size: 16px; line-height: 1.7; color: var(--text-sub); max-width: 640px; margin-bottom: 40px; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head .section-subtitle { margin-left: auto; margin-right: auto; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
  cursor: pointer;
  line-height: 1;
  white-space: nowrap;
}
.btn:focus-visible, .chip:focus-visible, a:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; box-shadow: var(--shadow-hover); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(1px); }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); box-shadow: 0 0 0 1px var(--border) inset; }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); box-shadow: none; }
.btn-lg { height: 56px; padding: 0 36px; font-size: 17px; border-radius: 12px; }
.btn-sm { height: 42px; padding: 0 20px; font-size: 14px; }
.btn-block { width: 100%; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  background: var(--bg-alt);
  color: var(--text);
  border: 1px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  line-height: 1.4;
}
.chip:hover { background: var(--bg); border-color: var(--primary); color: var(--primary); }
.chip.active { background: var(--primary); color: #fff; font-weight: 600; }
.chip.active:hover { background: var(--primary-dark); color: #fff; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250,246,239,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
  flex-wrap: nowrap;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo svg { width: 36px; height: 36px; flex-shrink: 0; }
.logo span { font-size: 24px; font-weight: 800; color: var(--text); letter-spacing: 1px; }
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
  overflow-x: auto;
  scrollbar-width: none;
}
.main-nav::-webkit-scrollbar { display: none; }
.nav-chips { display: flex; gap: 8px; align-items: center; padding: 4px 0; white-space: nowrap; }
.header-cta { flex-shrink: 0; }

/* ===== 分类页头 ===== */
.category-hero {
  position: relative;
  background: linear-gradient(120deg, rgba(42,40,38,.92) 0%, rgba(42,40,38,.78) 50%, rgba(224,122,47,.35) 100%),
    url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  color: var(--text-inverse);
  padding: clamp(52px, 7vw, 88px) 0;
  overflow: hidden;
}
.category-hero .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(247,242,234,.75);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.breadcrumb a { color: rgba(247,242,234,.85); }
.breadcrumb a:hover { color: #ffd9bd; }
.breadcrumb .breadcrumb-current { color: #ffd9bd; font-weight: 600; }
.breadcrumb-sep { opacity: .5; }
.category-hero h1 {
  font-size: clamp(36px, 5vw, 54px);
  line-height: 1.15;
  font-weight: 800;
  color: var(--text-inverse);
  margin-bottom: 20px;
  max-width: 760px;
}
.category-hero .category-desc {
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.8;
  color: rgba(247,242,234,.9);
  max-width: 620px;
  margin-bottom: 32px;
}
.category-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.category-hero-actions .btn-outline { color: var(--text-inverse); border-color: rgba(255,255,255,.35); }
.category-hero-actions .btn-outline:hover { border-color: var(--primary); color: #fff; }
.hero-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 28px; }
.hero-tags .chip { background: rgba(255,255,255,.14); color: var(--text-inverse); border-color: rgba(255,255,255,.25); backdrop-filter: blur(6px); }
.hero-tags .chip:hover { background: rgba(255,255,255,.25); color: #fff; border-color: var(--primary); }

/* ===== 筛选chips ===== */
.filter-section {
  padding: 28px 0 8px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.filter-chips {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 8px 2px 14px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.filter-chips::-webkit-scrollbar { display: none; }
.filter-chips .chip { flex-shrink: 0; min-height: 40px; }

/* ===== 内容卡片混排区 ===== */
.media-grid-section {
  padding: clamp(48px, 7vw, 80px) 0;
  background: var(--bg);
}
.media-grid-section .section-head { text-align: left; margin-bottom: 36px; }
.media-grid-section .section-head .section-subtitle { margin-left: 0; }

.media-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--text-inverse);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid rgba(42,40,38,.06);
  display: flex;
  flex-direction: column;
  margin-bottom: 28px;
  position: relative;
}
.media-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.media-card-horizontal { flex-direction: row; }
.media-card-horizontal .media-card-img-wrap {
  width: 46%;
  flex-shrink: 0;
  min-height: 260px;
  position: relative;
  overflow: hidden;
}
.media-card-horizontal .media-card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-card-horizontal .media-card-body {
  padding: 28px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
}
.media-card-horizontal-reverse { flex-direction: row-reverse; }
.media-card-vertical .media-card-img-wrap {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.media-card-vertical .media-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.media-card-vertical:hover .media-card-img { transform: scale(1.04); }
.media-card-vertical .media-card-body { padding: 22px 24px 24px; }
.media-card-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(42,40,38,.35) 100%);
  pointer-events: none;
}
.media-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 8px;
  background: rgba(224,122,47,.14);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
  align-self: flex-start;
}
.media-card-title {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: 10px;
}
.media-card-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-sub);
  margin-bottom: 14px;
}
.media-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-sub);
  margin-top: auto;
}
.media-card-meta .meta-score { color: var(--primary); font-weight: 700; }
.media-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-top: 10px;
}
.media-link:hover { color: var(--primary-dark); }
.media-link i { font-size: 12px; transition: transform var(--transition); }
.media-link:hover i { transform: translateX(4px); }

/* ===== 特色图文块 ===== */
.feature-block {
  position: relative;
  background: var(--bg-alt);
  padding: clamp(48px, 7vw, 80px) 0;
}
.feature-banner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 380px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow-hover);
}
.feature-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(42,40,38,.88) 0%, rgba(42,40,38,.55) 70%, transparent 100%);
}
.feature-content {
  position: relative;
  z-index: 2;
  padding: clamp(28px, 5vw, 56px);
  max-width: 640px;
  color: var(--text-inverse);
}
.feature-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(224,122,47,.9);
  color: #fff;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}
.feature-content h2 {
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.25;
  font-weight: 800;
  margin-bottom: 14px;
  color: #fff;
}
.feature-content p {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(247,242,234,.9);
  margin-bottom: 20px;
}

/* ===== FAQ ===== */
.faq-section {
  padding: var(--space-sec) 0;
  background: var(--bg);
}
.faq-list {
  max-width: 780px;
  margin: 0 auto;
}
.faq-item {
  background: var(--text-inverse);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.active { border-color: rgba(224,122,47,.4); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  min-height: 54px;
  background: none;
  transition: background var(--transition);
}
.faq-question:hover { background: var(--bg); }
.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 13px;
  color: var(--text-sub);
  transition: all var(--transition);
}
.faq-item.active .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-answer-inner {
  padding: 0 22px 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-sub);
  border-left: 3px solid var(--primary);
  margin-left: 22px;
  margin-right: 22px;
}
.faq-item.active .faq-answer { max-height: 300px; }
.faq-more {
  text-align: center;
  margin-top: 28px;
  font-size: 14px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 0 0 var(--space-sec);
  background: var(--bg);
}
.cta-card {
  background: linear-gradient(120deg, var(--primary) 0%, #e8914d 100%);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 5vw, 48px);
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow-hover);
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: '';
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  top: -80px;
  right: -40px;
}
.cta-card::after {
  content: '';
  position: absolute;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  bottom: -60px;
  left: -30px;
}
.cta-card h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}
.cta-card p {
  font-size: 15px;
  color: rgba(255,255,255,.92);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}
.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.cta-actions .btn-primary { background: var(--secondary); color: #fff; }
.cta-actions .btn-primary:hover { background: #3a3735; box-shadow: var(--shadow-hover); }
.cta-actions .btn-outline { color: #fff; border-color: rgba(255,255,255,.5); box-shadow: 0 0 0 1px rgba(255,255,255,.5) inset; background: transparent; }
.cta-actions .btn-outline:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.12); }

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(247,242,234,.8);
  padding: clamp(48px, 6vw, 72px) 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1.4fr;
  gap: 36px;
  margin-bottom: 40px;
}
.footer-brand .logo span { color: var(--text-inverse); }
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247,242,234,.65);
  margin: 18px 0;
  max-width: 260px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(247,242,234,.7);
  font-size: 16px;
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.site-footer h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-inverse);
  margin-bottom: 18px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer ul li { margin-bottom: 10px; }
.site-footer ul a {
  color: rgba(247,242,234,.65);
  font-size: 14px;
  transition: color var(--transition);
}
.site-footer ul a:hover { color: var(--primary); }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(247,242,234,.65);
  margin-bottom: 10px;
}
.footer-contact i { color: var(--primary); margin-top: 4px; font-size: 14px; }
.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(247,242,234,.45);
}

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .media-card-horizontal .media-card-img-wrap { min-height: 220px; }
}

@media screen and (max-width: 768px) {
  .header-inner { height: 60px; gap: 10px; }
  .logo span { font-size: 20px; }
  .logo svg { width: 32px; height: 32px; }
  .header-cta .btn-sm { padding: 0 14px; height: 38px; font-size: 13px; }
  .main-nav .nav-chips { gap: 6px; }
  .main-nav .chip { padding: 6px 14px; font-size: 13px; }
  .category-hero { padding: 44px 0; }
  .breadcrumb { font-size: 13px; }
  .category-hero-actions .btn { flex: 1; }
  .media-card-horizontal, .media-card-horizontal-reverse { flex-direction: column; }
  .media-card-horizontal .media-card-img-wrap {
    width: 100%;
    height: 200px;
    position: relative;
  }
  .media-card-horizontal .media-card-img {
    position: absolute;
    inset: 0;
  }
  .media-card-vertical .media-card-img-wrap { height: 160px; }
  .media-card-vertical .media-card-body { padding: 18px 20px 20px; }
  .feature-banner { min-height: 320px; align-items: flex-end; }
  .feature-content { padding: 24px; }
  .cta-actions .btn { flex: 1; min-width: 140px; }
}

@media screen and (max-width: 640px) {
  .header-inner { flex-wrap: wrap; height: auto; padding: 10px 0; }
  .logo { order: 1; }
  .header-cta { order: 2; }
  .main-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    padding-top: 6px;
    border-top: 1px solid var(--border);
    margin-top: 6px;
  }
  .site-footer .footer-grid { grid-template-columns: 1fr; gap: 22px; }
  .filter-chips { padding-bottom: 10px; }
  .filter-chips .chip { padding: 7px 16px; font-size: 13px; }
  .media-card-title { font-size: 18px; }
  .media-card-desc { font-size: 13px; line-height: 1.65; }
  .cta-card { padding: 26px 18px; }
  .cta-actions .btn { width: 100%; }
  .footer-bottom { font-size: 12px; padding: 20px 12px 0; }
}

@media screen and (min-width: 641px) and (max-width: 1024px) {
  .media-card-horizontal .media-card-img-wrap { width: 42%; }
  .media-card-horizontal .media-card-body { padding: 22px; }
  .media-card-title { font-size: 19px; }
}

@media print {
  .site-header, .cta-section, .footer-bottom { display: none; }
}