/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
  --primary:#0F8A56;
  --primary-dark:#0E7A4E;
  --primary-light:#1BA86A;
  --accent:#FF7A1A;
  --accent-light:#FF8A2A;
  --accent-bg:rgba(255,122,26,.1);
  --bg:#F6F8F7;
  --dark:#0B231D;
  --dark-2:#123B2E;
  --dark-3:#14392E;
  --white:#FFFFFF;
  --text:#1F2937;
  --text-2:#6B7280;
  --text-3:#9CA3AF;
  --line:#E8EDEB;
  --line-2:#D1D5DB;
  --green-10:rgba(15,138,86,.1);
  --orange-10:rgba(255,122,26,.12);
  --radius-card:16px;
  --radius-btn:999px;
  --radius-input:10px;
  --radius-tag:999px;
  --shadow-card:0 1px 3px rgba(11,35,30,.06);
  --shadow-hover:0 12px 30px rgba(11,35,30,.12);
  --shadow-btn:0 6px 18px rgba(255,122,26,.28);
  --f-title:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --f-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --f-num:"DIN Alternate","Roboto Mono","Oswald",sans-serif;
  --container:1200px;
}
/* ===== Reset ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--f-body);font-size:1rem;line-height:1.75;color:var(--text);background:var(--bg);word-break:break-word;-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,textarea{font-family:inherit}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:5rem 0}
.section-alt{background:var(--bg)}
.section-white{background:var(--white)}
.section-dark{background:var(--dark);color:var(--white)}
/* ===== 复用组件 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);font-size:.9375rem;font-weight:600;padding:12px 26px;transition:all .3s ease;line-height:1.4;border:2px solid transparent}
.btn-primary{background:var(--accent);color:var(--white);box-shadow:var(--shadow-btn)}
.btn-primary:hover{background:var(--accent-light);transform:translateY(-2px);box-shadow:0 10px 26px rgba(255,138,42,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:rgba(255,255,255,.85);color:var(--white);background:rgba(255,255,255,.04)}
.btn-outline:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-ghost{background:var(--green-10);color:var(--primary);border-color:transparent}
.btn-ghost:hover{background:rgba(15,138,86,.18);transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.tag{display:inline-block;font-size:.75rem;font-weight:500;color:var(--primary);background:var(--green-10);padding:3px 10px;border-radius:var(--radius-tag);line-height:1.6}
.tag-orange{color:var(--accent);background:var(--orange-10)}
.section-head{text-align:center;max-width:720px;margin:0 auto 3rem}
.section-head h2{font-size:clamp(1.5rem,2.5vw,2rem);font-weight:800;color:var(--text);margin-bottom:.75rem;line-height:1.3}
.section-head p{color:var(--text-2);font-size:.9375rem}
.section-head .mark{color:var(--primary);position:relative;white-space:nowrap}
.section-head .mark::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;background:var(--green-10);z-index:-1;border-radius:4px}
/* ===== 顶部导航 ===== */
.header{background:var(--dark);position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px rgba(0,0,0,.2)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;color:var(--white);font-weight:700;font-size:1.0625rem;line-height:1.3;white-space:nowrap}
.logo-icon{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--primary-light),var(--primary-dark));display:flex;align-items:center;justify-content:center;color:var(--white);font-size:1.0625rem;flex-shrink:0}
.logo span{display:inline-block}
.nav{display:flex;align-items:center;gap:4px}
.nav a{color:rgba(255,255,255,.82);font-size:.906rem;font-weight:500;padding:8px 16px;border-radius:8px;position:relative;transition:color .25s}
.nav a::after{content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;border-radius:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.nav a:hover{color:var(--white)}
.nav a:hover::after{transform:scaleX(1)}
.nav a.active{color:var(--white)}
.nav a.active::after{transform:scaleX(1)}
.nav-cta{margin-left:12px}
.nav-cta .btn{padding:9px 22px;font-size:.875rem}
.header-actions{display:flex;align-items:center;gap:10px}
.burger{display:none;width:40px;height:40px;border-radius:8px;background:rgba(255,255,255,.08);color:var(--white);font-size:1.125rem;align-items:center;justify-content:center;transition:background .25s}
.burger:hover{background:rgba(255,255,255,.16)}
.burger i{pointer-events:none}
/* 移动导航面板 */
.mobile-nav{display:none;background:var(--dark-2);border-top:1px solid rgba(255,255,255,.08)}
.mobile-nav a{display:block;color:rgba(255,255,255,.88);padding:14px 32px;font-size:.9375rem;border-bottom:1px solid rgba(255,255,255,.05)}
.mobile-nav a.active{color:var(--accent);background:rgba(255,122,26,.08)}
.mobile-nav a:last-child{border-bottom:none}
.mobile-nav .btn{margin:16px auto;display:flex;width:calc(100% - 64px);justify-content:center}
.mobile-nav.open{display:block}
/* ===== Hero ===== */
.hero{background:linear-gradient(140deg,var(--dark-2) 0%,var(--dark) 60%,#081b16 100%);color:var(--white);position:relative;overflow:hidden;padding:5rem 0 0}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
.hero::after{content:"";position:absolute;right:-160px;top:-80px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(15,138,86,.22),transparent 68%);pointer-events:none}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;min-height:480px}
.hero-content{max-width:620px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);padding:6px 16px;border-radius:var(--radius-btn);font-size:.8125rem;color:rgba(255,255,255,.85);margin-bottom:22px;backdrop-filter:blur(8px)}
.hero-badge i{color:var(--accent)}
.hero h1{font-size:clamp(2rem,4vw,3rem);font-weight:800;line-height:1.25;margin-bottom:18px;letter-spacing:-.01em}
.hero h1 .orange{color:var(--accent)}
.hero h1 .underline-g{position:relative;white-space:nowrap}
.hero h1 .underline-g::after{content:"";position:absolute;left:0;right:0;bottom:3px;height:6px;background:var(--primary);opacity:.55;border-radius:4px;z-index:-1}
.hero-sub{font-size:1rem;color:rgba(255,255,255,.72);line-height:1.85;margin-bottom:30px;max-width:540px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:46px}
.hero-img{position:relative}
.hero-img img{width:100%;height:340px;object-fit:cover;border-radius:20px;border:1px solid rgba(255,255,255,.12);box-shadow:0 24px 60px rgba(0,0,0,.28)}
.hero-float{position:absolute;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(12px);border-radius:12px;padding:10px 16px;font-size:.8125rem;display:flex;align-items:center;gap:8px;color:var(--white);box-shadow:0 8px 24px rgba(0,0,0,.2)}
.hero-float i{font-size:1rem}
.hero-float.f1{top:18px;left:14px;animation:floatA 5s ease-in-out infinite}
.hero-float.f2{bottom:40px;right:10px;animation:floatB 6s ease-in-out infinite}
@keyframes floatA{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes floatB{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}
.hero-metrics{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.12);margin-top:0;padding:1.5rem 0}
.hero-metrics .metric{text-align:center;padding:8px 12px;border-right:1px solid rgba(255,255,255,.1)}
.hero-metrics .metric:last-child{border-right:none}
.hero-metrics .metric .num{font-family:var(--f-num);font-size:1.375rem;font-weight:700;color:var(--white);letter-spacing:.02em}
.hero-metrics .metric .num.orange{color:var(--accent)}
.hero-metrics .metric .num.green{color:var(--primary-light)}
.hero-metrics .metric .label{font-size:.8125rem;color:rgba(255,255,255,.62);margin-top:4px}
/* ===== 服务区 ===== */
.services{padding:5rem 0;background:var(--white)}
.service-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;margin-bottom:64px}
.service-row:last-child{margin-bottom:0}
.service-row.reverse .service-img{order:2}
.service-row.reverse .service-text{order:1}
.service-img{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-hover);aspect-ratio:4/3}
.service-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;background:#D9E4DE}
.service-img:hover img{transform:scale(1.03)}
.service-img .img-index{position:absolute;top:16px;left:16px;background:rgba(255,255,255,.94);color:var(--primary);font-family:var(--f-num);font-size:1.125rem;font-weight:700;padding:6px 14px;border-radius:var(--radius-tag);box-shadow:0 4px 12px rgba(0,0,0,.12)}
.service-text{padding:0 8px}
.service-text .step-label{font-size:.8125rem;font-weight:600;color:var(--accent);letter-spacing:.08em;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.service-text .step-label::before{content:"";width:20px;height:2px;background:var(--accent);border-radius:2px}
.service-text h3{font-size:1.375rem;font-weight:700;color:var(--text);margin-bottom:12px;line-height:1.4}
.service-text p{font-size:.9375rem;color:var(--text-2);line-height:1.8;margin-bottom:18px;max-width:440px}
.service-link{display:inline-flex;align-items:center;gap:6px;font-size:.875rem;font-weight:600;color:var(--primary);padding:8px 0;border-bottom:2px solid transparent;transition:border-color .25s}
.service-link:hover{border-bottom-color:var(--primary);gap:10px}
/* ===== 数据徽章 ===== */
.stats{padding:5rem 0;background:linear-gradient(135deg,#0B231D 0%,#0A1D18 100%);color:var(--white);position:relative;overflow:hidden}
.stats::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:32px 32px;pointer-events:none}
.stats .container{position:relative;z-index:2}
.stats-head{text-align:center;margin-bottom:3.25rem}
.stats-head h2{font-size:clamp(1.5rem,2.5vw,2rem);font-weight:800;color:var(--white)}
.stats-head h2 .green{color:var(--primary-light)}
.stats-head p{color:rgba(255,255,255,.6);margin-top:.5rem;font-size:.9375rem}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.09);border-radius:20px;padding:32px 24px;text-align:center;transition:transform .3s,box-shadow .3s,background .3s;backdrop-filter:blur(6px)}
.stat-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(0,0,0,.32);background:linear-gradient(160deg,rgba(255,255,255,.1),rgba(255,255,255,.04))}
.stat-card .stat-num{font-family:var(--f-num);font-size:clamp(1.75rem,2.4vw,2.25rem);font-weight:700;line-height:1.2;margin-bottom:8px;letter-spacing:.02em}
.stat-card .stat-num.orange{color:var(--accent)}
.stat-card .stat-num.green{color:var(--primary-light)}
.stat-card .stat-label{font-size:.875rem;color:rgba(255,255,255,.72);line-height:1.5}
/* ===== 资讯卡片 ===== */
.news{padding:5rem 0;background:var(--bg)}
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:8px}
.news-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:transform .3s,box-shadow .3s,border-color .3s}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,138,86,.3)}
.news-card.featured{grid-column:1/-1;display:grid;grid-template-columns:1.06fr 1fr;gap:0}
.news-card.featured .news-thumb{height:100%;min-height:240px}
.news-card.featured .news-body{padding:28px 30px}
.news-thumb{height:180px;overflow:hidden;background:#D9E4DE;display:flex;align-items:center;justify-content:center;color:#A6B8B0;font-size:.875rem}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:22px 22px 24px}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.news-date{font-size:.8125rem;color:var(--text-3);display:flex;align-items:center;gap:5px}
.news-title{font-size:1.125rem;font-weight:700;line-height:1.45;margin-bottom:8px;color:var(--text)}
.news-card.featured .news-title{font-size:1.3125rem}
.news-title a{transition:color .2s}
.news-title a:hover{color:var(--primary)}
.news-excerpt{font-size:.875rem;color:var(--text-2);line-height:1.7;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-footer{display:flex;align-items:center;justify-content:space-between}
.news-more{font-size:.8125rem;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:4px;transition:gap .2s}
.news-more:hover{gap:8px}
.news-empty{grid-column:1/-1;background:var(--white);border:1px dashed var(--line-2);border-radius:var(--radius-card);padding:80px 24px;text-align:center;color:var(--text-2)}
.news-empty i{font-size:2.25rem;color:var(--text-3);margin-bottom:16px;display:block}
/* ===== 案例 ===== */
.cases{padding:5rem 0;background:var(--white)}
.cases-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:2.5rem;gap:24px}
.cases-head .left h2{font-size:clamp(1.5rem,2.5vw,2rem);font-weight:800;margin-bottom:.5rem}
.cases-head .left p{color:var(--text-2);font-size:.9375rem}
.cases-head .link-all{font-size:.875rem;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;transition:gap .2s;padding-bottom:4px;border-bottom:2px solid transparent}
.cases-head .link-all:hover{gap:10px;border-bottom-color:var(--primary)}
.cases-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.case-card{display:grid;grid-template-columns:120px 1fr;gap:20px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;align-items:center;transition:transform .3s,box-shadow .3s,border-color .3s}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,138,86,.3)}
.case-img{width:120px;height:90px;border-radius:12px;overflow:hidden;background:#D9E4DE;display:flex;align-items:center;justify-content:center;color:#A6B8B0;font-size:.75rem;flex-shrink:0}
.case-img img{width:100%;height:100%;object-fit:cover}
.case-info{min-width:0}
.case-label{font-size:.75rem;color:var(--accent);font-weight:600;margin-bottom:6px;letter-spacing:.04em}
.case-item{font-size:.875rem;color:var(--text-2);line-height:1.65;margin-bottom:4px;display:flex;gap:8px}
.case-item strong{color:var(--text);font-weight:600;white-space:nowrap;flex-shrink:0}
.case-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* ===== 步骤流程 ===== */
.steps{padding:5rem 0;background:var(--bg)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;position:relative}
.steps-grid::before{content:"";position:absolute;top:44px;left:calc(16.666% + 22px);right:calc(16.666% + 22px);height:2px;background:repeating-linear-gradient(90deg,var(--line-2) 0 8px,transparent 8px 16px);display:block}
.step-item{text-align:center;position:relative;padding:0 16px}
.step-num{width:88px;height:88px;border-radius:50%;background:var(--white);border:3px solid var(--primary);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-family:var(--f-num);font-size:1.625rem;font-weight:700;color:var(--primary);box-shadow:0 8px 22px rgba(15,138,86,.14);transition:transform .3s,box-shadow .3s}
.step-item:hover .step-num{transform:scale(1.06);box-shadow:0 12px 30px rgba(15,138,86,.22)}
.step-item h3{font-size:1.125rem;font-weight:700;margin-bottom:8px;color:var(--text)}
.step-item p{font-size:.875rem;color:var(--text-2);line-height:1.7}
/* ===== FAQ ===== */
.faq{padding:5rem 0;background:var(--white)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--bg);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:box-shadow .3s}
.faq-item.open{box-shadow:var(--shadow-card);border-color:rgba(15,138,86,.22)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 22px;font-size:1rem;font-weight:600;color:var(--text);text-align:left}
.faq-icon{width:24px;height:24px;border-radius:50%;background:var(--green-10);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:.75rem;flex-shrink:0;transition:transform .3s,background .3s}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--primary);color:var(--white)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 22px 18px;border-top:1px solid var(--line);padding-top:14px;font-size:.906rem;color:var(--text-2);line-height:1.8}
.faq-item.open .faq-a{max-height:400px}
/* ===== CTA / 表单 ===== */
.contact{padding:5rem 0;background:linear-gradient(135deg,var(--dark-2),var(--dark));color:var(--white);position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:38px 38px;pointer-events:none}
.contact .container{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.contact-left h2{font-size:clamp(1.6rem,2.6vw,2.1rem);font-weight:800;line-height:1.35;margin-bottom:16px}
.contact-left h2 .orange{color:var(--accent)}
.contact-left p{color:rgba(255,255,255,.7);font-size:.9375rem;line-height:1.85;max-width:440px}
.contact-list{display:flex;flex-direction:column;gap:14px;margin-top:28px}
.contact-list li{display:flex;align-items:center;gap:10px;font-size:.875rem;color:rgba(255,255,255,.78)}
.contact-list i{width:30px;height:30px;border-radius:8px;background:rgba(255,255,255,.08);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:.8125rem;flex-shrink:0}
.contact-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:34px;backdrop-filter:blur(8px)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:.875rem;color:rgba(255,255,255,.85);margin-bottom:6px;font-weight:500}
.form-control{width:100%;height:48px;border-radius:var(--radius-input);border:1px solid var(--line-2);background:var(--white);color:var(--text);padding:0 16px;font-size:.9375rem;transition:border-color .25s,box-shadow .25s}
textarea.form-control{height:auto;min-height:96px;padding:14px 16px;resize:vertical}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,138,86,.22)}
.form-control::placeholder{color:var(--text-3)}
.form-submit{width:100%;height:48px;border-radius:var(--radius-btn);background:var(--accent);color:var(--white);font-size:.9375rem;font-weight:600;display:flex;align-items:center;justify-content:center;gap:8px;transition:background .25s,transform .25s,box-shadow .25s;border:none}
.form-submit:hover{background:var(--accent-light);transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,122,26,.3)}
.form-submit:focus-visible{outline:2px solid var(--white);outline-offset:2px}
.form-note{font-size:.75rem;color:rgba(255,255,255,.5);text-align:center;margin-top:14px}
/* ===== 页脚 ===== */
.footer{background:#081B16;color:rgba(255,255,255,.7);padding:4.5rem 0 0;font-size:.875rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:3rem}
.footer-brand .logo{font-size:1.125rem;margin-bottom:14px}
.footer-brand p{line-height:1.8;color:rgba(255,255,255,.55);max-width:300px}
.footer-col h4{color:var(--white);font-size:1rem;font-weight:600;margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:rgba(255,255,255,.6);transition:color .25s,padding-left .25s;display:inline-block}
.footer-col ul a:hover{color:var(--accent);padding-left:4px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;color:rgba(255,255,255,.55);line-height:1.6}
.footer-contact i{color:var(--accent);margin-top:5px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:24px 0;text-align:center;font-size:.8125rem;color:rgba(255,255,255,.4)}
.footer-bottom .sep{margin:0 8px}
/* ===== 响应式 ===== */
@media(max-width:1023px){
  .nav{display:none}
  .nav-cta{display:none}
  .burger{display:flex}
  .header-actions{display:flex}
  .hero .container{grid-template-columns:1fr;gap:40px}
  .hero-img{margin-top:8px}
  .hero-metrics{grid-template-columns:repeat(2,1fr);gap:16px}
  .hero-metrics .metric{border-right:none;border-bottom:1px solid rgba(255,255,255,.08);padding:12px}
  .hero-metrics .metric:nth-last-child(-n+2){border-bottom:none}
  .service-row{grid-template-columns:1fr;gap:32px}
  .service-row.reverse .service-img{order:0}
  .service-row.reverse .service-text{order:0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .news-card.featured{grid-template-columns:1fr}
  .news-card.featured .news-thumb{min-height:220px}
  .cases-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr;gap:24px}
  .steps-grid::before{display:none}
  .step-item{padding:0 24px}
  .contact .container{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:767px){
  .section{padding:3rem 0}
  .services{padding:3rem 0}
  .stats{padding:3rem 0}
  .news{padding:3rem 0}
  .cases{padding:3rem 0}
  .steps{padding:3rem 0}
  .faq{padding:3rem 0}
  .contact{padding:3rem 0}
  .container{padding:0 18px}
  .logo{font-size:.95rem}
  .logo-icon{width:32px;height:32px;font-size:.9375rem}
  .hero{padding:3.5rem 0 0}
  .hero h1{font-size:1.875rem}
  .hero-sub{font-size:.9375rem}
  .hero-btns{flex-direction:column;gap:12px}
  .hero-btns .btn{width:100%}
  .hero-img img{height:260px}
  .hero-metrics{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .stat-card{padding:22px 16px}
  .news-grid{grid-template-columns:1fr;gap:20px}
  .news-card.featured .news-body{padding:20px}
  .news-thumb{height:160px}
  .cases-head{flex-direction:column;align-items:flex-start;gap:12px}
  .case-card{grid-template-columns:96px 1fr;gap:14px;padding:16px}
  .case-img{width:96px;height:76px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .contact-form{padding:26px 20px}
}
@media(max-width:430px){
  .hero-metrics .metric .num{font-size:1.125rem}
  .stat-card .stat-num{font-size:1.5rem}
  .btn{padding:12px 20px;font-size:.875rem}
  .case-card{grid-template-columns:1fr}
  .case-img{width:100%;height:110px}
  .step-item h3{font-size:1rem}
}
/* 减少动效 */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .btn:hover,.news-card:hover,.stat-card:hover{transform:none!important}
}

/* roulang page: category1 */
:root {
  --primary: #0E7A4E;
  --primary-dark: #0B5E3C;
  --primary-light: #E8F3EE;
  --accent: #FF7A1A;
  --accent-dark: #E5650A;
  --accent-light: #FFF0E5;
  --bg: #F6F8F7;
  --dark: #0B231D;
  --dark-2: #123B2E;
  --text: #1F2937;
  --text-light: #6B7280;
  --border: #D1D5DB;
  --white: #FFFFFF;
  --radius-card: 16px;
  --radius-btn: 999px;
  --radius-input: 10px;
  --shadow-sm: 0 1px 3px rgba(11,35,30,.06);
  --shadow-md: 0 8px 24px rgba(11,35,30,.1);
  --shadow-lg: 0 12px 30px rgba(11,35,30,.12);
  --transition: all .25s ease;
}

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

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 3px;
}

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

ul, ol {
  list-style: none;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: .9375rem;
  line-height: 1.4;
  border: 2px solid transparent;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255,122,26,.25);
}

.btn-accent:hover, .btn-accent:active {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255,122,26,.3);
}

.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,.72);
  color: #fff;
}

.btn-outline-light:hover {
  background: rgba(255,255,255,.1);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

.btn-green {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(14,122,78,.25);
}

.btn-green:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(14,122,78,.3);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--dark);
  box-shadow: 0 2px 12px rgba(0,0,0,.25);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.125rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  flex-shrink: 0;
}

.logo:hover {
  color: var(--accent);
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #FFB56A);
  color: #fff;
  font-size: .875rem;
  flex-shrink: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav a {
  padding: 8px 16px;
  color: rgba(255,255,255,.82);
  font-size: .9375rem;
  font-weight: 500;
  border-radius: 8px;
  position: relative;
  transition: var(--transition);
}

.nav a::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: var(--transition);
}

.nav a:hover {
  color: #fff;
  background: rgba(255,255,255,.06);
}

.nav a:hover::after {
  transform: scaleX(1);
}

.nav a.active {
  color: #fff;
}

.nav a.active::after {
  transform: scaleX(1);
}

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

.nav-cta {
  padding: 9px 22px;
  font-size: .875rem;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  color: #fff;
  font-size: 1.125rem;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: rgba(255,255,255,.16);
}

/* Page Hero */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, var(--dark-2) 0%, var(--dark) 100%);
  padding: 72px 0 64px;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 28px;
}

.breadcrumb a {
  color: rgba(255,255,255,.72);
}

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

.breadcrumb i {
  font-size: .75rem;
  color: rgba(255,255,255,.4);
}

.page-hero-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.page-hero-text {
  max-width: 720px;
}

.page-hero-text h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.25;
  color: #fff;
  letter-spacing: .01em;
  margin-bottom: 16px;
}

.page-hero-text h1 .hl-orange {
  color: var(--accent);
}

.page-hero-text p {
  font-size: 1.0625rem;
  color: rgba(255,255,255,.78);
  line-height: 1.8;
  max-width: 620px;
}

.page-hero-badges {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
  padding-bottom: 8px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-btn);
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.16);
  color: rgba(255,255,255,.9);
  font-size: .875rem;
  font-weight: 500;
}

.hero-badge i {
  color: var(--accent);
}

/* Sections common */
.section {
  padding: 5rem 0;
}

.section-alt {
  background: var(--white);
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-head h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 12px;
}

.section-head h2 .hl-green {
  color: var(--primary);
}

.section-head p {
  color: var(--text-light);
  font-size: 1rem;
}

/* Catalog cards 2x2 */
.catalog-section {
  padding: 5rem 0;
  background: var(--bg);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.catalog-card {
  background: var(--white);
  border-radius: var(--radius-card);
  border: 1px solid #E8EDEB;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.catalog-card:hover, .catalog-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(14,122,78,.35);
}

.catalog-img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, #DDE8E2, #EEF2F0);
}

.catalog-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}

.catalog-card:hover .catalog-img img {
  transform: scale(1.04);
}

.catalog-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.catalog-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.catalog-body p {
  color: var(--text-light);
  font-size: .9375rem;
  line-height: 1.75;
  margin-bottom: 18px;
  flex: 1;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: .9375rem;
  color: var(--primary);
  transition: var(--transition);
}

.text-link:hover {
  color: var(--accent);
  gap: 10px;
}

.text-link i {
  font-size: .8125rem;
}

/* Steps dark band */
.steps-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--dark-2), var(--dark));
  position: relative;
  overflow: hidden;
}

.steps-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.steps-section .container {
  position: relative;
  z-index: 2;
}

.steps-section .section-head h2 {
  color: #fff;
}

.steps-section .section-head p {
  color: rgba(255,255,255,.68);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-top: 8px;
  position: relative;
}

.step-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px;
  padding: 32px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.step-card:hover {
  background: rgba(255,255,255,.1);
  transform: translateY(-4px);
  border-color: rgba(255,122,26,.5);
}

.step-num {
  font-family: "DIN Alternate", "Roboto Mono", "Oswald", sans-serif;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(120deg, var(--accent), #FFB56A);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 16px;
  display: block;
}

.step-card h3 {
  color: #fff;
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.step-card p {
  color: rgba(255,255,255,.65);
  font-size: .875rem;
  line-height: 1.7;
}

.step-arrow {
  position: absolute;
  top: 50%;
  right: -30px;
  transform: translateY(-50%);
  color: rgba(255,255,255,.3);
  font-size: 1rem;
  z-index: 3;
  pointer-events: none;
}

/* Info double columns */
.info-section {
  padding: 5rem 0;
  background: var(--white);
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.info-card {
  background: var(--bg);
  border-radius: var(--radius-card);
  border: 1px solid #E8EDEB;
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.info-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(14,122,78,.25);
}

.info-card h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.info-card h2 .icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.info-card h2 .icon-green {
  background: var(--primary-light);
  color: var(--primary);
}

.info-card h2 .icon-orange {
  background: var(--accent-light);
  color: var(--accent);
}

.info-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed #E0E6E3;
  font-size: .9375rem;
  color: var(--text);
  line-height: 1.65;
}

.info-list li:last-child {
  border-bottom: none;
}

.info-list li i {
  margin-top: 5px;
  font-size: .875rem;
  flex-shrink: 0;
}

.info-list li .dot-icon {
  color: var(--accent);
}

.info-list li .check-icon {
  color: var(--primary);
}

/* FAQ */
.faq-section {
  padding: 5rem 0;
  background: var(--bg);
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid #E8EDEB;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(14,122,78,.25);
}

.faq-item.active {
  box-shadow: var(--shadow-md);
  border-color: rgba(14,122,78,.35);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 0 24px;
  min-height: 60px;
  text-align: left;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  background: transparent;
  transition: var(--transition);
}

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

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .8125rem;
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  background: var(--accent);
  color: #fff;
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}

.faq-item.active .faq-answer {
  max-height: 260px;
}

.faq-answer-inner {
  border-top: 1px solid #EDF1EF;
  padding: 16px 24px 20px;
  color: var(--text-light);
  font-size: .9375rem;
  line-height: 1.8;
}

/* CTA */
.cta-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--dark-2), var(--dark));
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.125rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.cta-section p {
  color: rgba(255,255,255,.7);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto 32px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,.65);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .logo {
  font-size: 1.0625rem;
}

.footer-brand p {
  margin-top: 16px;
  font-size: .875rem;
  line-height: 1.8;
  color: rgba(255,255,255,.55);
  max-width: 320px;
}

.footer-col h4 {
  color: #fff;
  font-size: .9375rem;
  font-weight: 600;
  margin-bottom: 16px;
}

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

.footer-col ul a {
  color: rgba(255,255,255,.6);
  font-size: .875rem;
  transition: var(--transition);
}

.footer-col ul a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .875rem;
  color: rgba(255,255,255,.6);
}

.footer-contact li i {
  color: var(--accent);
  width: 16px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: .8125rem;
  color: rgba(255,255,255,.45);
}

.footer-bottom .sep {
  color: rgba(255,255,255,.2);
}

/* Responsive */
@media (max-width: 1023px) {
  .header-inner {
    gap: 16px;
  }

  .nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--dark);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 20px;
    gap: 6px;
    transform: translateY(-120%);
    transition: transform .3s ease;
    border-bottom: 1px solid rgba(255,255,255,.08);
    box-shadow: 0 16px 32px rgba(0,0,0,.3);
    z-index: 999;
  }

  .nav.open {
    transform: translateY(0);
  }

  .nav a {
    padding: 14px 16px;
    font-size: 1rem;
    border-radius: 12px;
  }

  .nav a::after {
    display: none;
  }

  .nav a.active {
    background: rgba(255,122,26,.12);
    color: var(--accent);
  }

  .nav a:hover {
    background: rgba(255,255,255,.08);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-cta {
    display: none;
  }

  .header-actions .btn {
    display: none;
  }

  .header-actions .nav-toggle {
    display: inline-flex;
  }

  .section, .catalog-section, .steps-section, .info-section, .faq-section, .cta-section {
    padding: 3.5rem 0;
  }

  .page-hero {
    padding: 56px 0 48px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .catalog-grid {
    gap: 20px;
  }

  .steps-grid {
    gap: 24px;
  }

  .step-arrow {
    display: none;
  }

  .info-grid {
    gap: 20px;
  }
}

@media (max-width: 767px) {
  .page-hero-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .page-hero-badges {
    flex-wrap: wrap;
    padding-bottom: 0;
  }

  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .section, .catalog-section, .steps-section, .info-section, .faq-section, .cta-section {
    padding: 3rem 0;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 6px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons .btn {
    width: 100%;
    max-width: 320px;
  }
}

@media (max-width: 430px) {
  .container {
    padding: 0 18px;
  }

  .logo {
    font-size: 1rem;
    gap: 8px;
  }

  .logo-icon {
    width: 28px;
    height: 28px;
    font-size: .75rem;
  }

  .nav-cta {
    display: none;
  }

  .catalog-body {
    padding: 18px;
  }

  .info-card {
    padding: 24px 20px;
  }

  .faq-question {
    padding: 0 18px;
    font-size: .9375rem;
  }

  .faq-answer-inner {
    padding: 14px 18px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* roulang page: article */
:root {
  --primary: #0E7A4E;
  --primary-dark: #0B6240;
  --primary-light: #E7F3EC;
  --accent: #FF7A1A;
  --accent-dark: #E66A10;
  --accent-light: #FFF1E6;
  --bg: #F6F8F7;
  --dark: #0B231D;
  --dark-2: #123B2E;
  --text: #1F2937;
  --muted: #6B7280;
  --border: #D8E0DE;
  --card-bg: #FFFFFF;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 3px rgba(11,35,30,.06);
  --shadow-md: 0 6px 18px rgba(11,35,30,.08);
  --shadow-lg: 0 12px 32px rgba(11,35,30,.12);
  --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-display: "DIN Alternate", "Roboto Mono", "Oswald", sans-serif;
  --transition: .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .25s}
a:hover{color:var(--accent)}
ul,ol{list-style-position:inside}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;border:none;cursor:pointer;transition:all var(--transition);text-decoration:none;line-height:1.4}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(14,122,78,.3)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(14,122,78,.35)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(255,122,26,.35)}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,122,26,.4)}
.btn-outline{border:1.5px solid #fff;color:#fff;background:transparent}
.btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:16px 40px;font-size:16px}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.text-muted{color:var(--muted)}
.section-pad{padding:5rem 0}
img{background:linear-gradient(135deg,#E8EEEB,#CDDAD4)}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* Header */
.site-header{position:sticky;top:0;z-index:1000;background:var(--dark);box-shadow:0 2px 20px rgba(0,0,0,.2)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;letter-spacing:.5px;white-space:nowrap}
.logo:hover{color:#fff}
.logo-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--dark-2));color:#fff;font-size:16px;flex-shrink:0}
.nav{display:flex;align-items:center;gap:6px}
.nav a{color:rgba(255,255,255,.82);font-size:15px;font-weight:500;padding:8px 14px;border-radius:8px;transition:all var(--transition);position:relative}
.nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav a.active{color:#fff}
.nav a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--accent);border-radius:2px}
.header-actions{display:flex;align-items:center;gap:16px}
.nav-btn{padding:10px 24px;font-size:14px;border-radius:var(--radius-pill);background:var(--accent);color:#fff;font-weight:600;transition:all var(--transition)}
.nav-btn:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 6px 18px rgba(255,122,26,.4)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:10px;cursor:pointer;padding:10px}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:all .3s}

/* Breadcrumb */
.breadcrumb{background:var(--bg);border-bottom:1px solid var(--border);padding:14px 0}
.breadcrumb-inner{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);flex-wrap:wrap}
.breadcrumb-inner a{color:var(--muted);transition:color .25s}
.breadcrumb-inner a:hover{color:var(--primary)}
.breadcrumb-inner .sep{color:#C5D0CC;font-size:12px}
.breadcrumb-inner .current{color:var(--text);font-weight:500;max-width:38ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Article layout */
.article-section{padding:3.5rem 0 5rem}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:40px;align-items:start}
.article-main{background:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:48px;border:1px solid var(--border)}
.article-title{font-size:clamp(1.8rem,3vw,2.5rem);font-weight:800;color:var(--text);line-height:1.35;margin-bottom:16px;letter-spacing:-.5px}
.article-meta{display:flex;flex-wrap:wrap;gap:20px;padding-bottom:24px;border-bottom:1px solid var(--border);margin-bottom:32px;color:var(--muted);font-size:14px}
.article-meta span{display:flex;align-items:center;gap:8px}
.article-meta i{color:var(--primary);font-size:14px}
.article-content{max-width:72ch;font-size:16px;line-height:1.8;color:#2D3833}
.article-content p{margin-bottom:1.6em}
.article-content h2{font-size:1.5rem;font-weight:700;color:var(--primary);margin:2em 0 .8em;padding-left:14px;border-left:4px solid var(--primary);line-height:1.4}
.article-content h3{font-size:1.25rem;font-weight:700;color:var(--text);margin:1.8em 0 .6em}
.article-content h4{font-size:1.05rem;font-weight:600;color:var(--muted);margin:1.5em 0 .5em}
.article-content ul,.article-content ol{margin-bottom:1.6em;padding-left:1.4em}
.article-content li{margin-bottom:.5em;line-height:1.7}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--accent)}
.article-content blockquote{border-left:4px solid var(--primary);background:var(--primary-light);padding:18px 24px;border-radius:0 var(--radius-md) var(--radius-md) 0;margin:1.6em 0;font-size:15px;color:#374C42}
.article-content pre{background:var(--dark);color:#E5E7EB;padding:20px;border-radius:var(--radius-md);overflow:auto;margin:1.6em 0;font-size:14px;line-height:1.7}
.article-content code{font-family:"SF Mono","Consolas",monospace;background:#F1F4F2;padding:2px 6px;border-radius:5px;font-size:14px}
.article-content pre code{background:transparent;padding:0;color:inherit}
.article-content table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--border);padding:12px 14px;text-align:left}
.article-content th{background:var(--primary-light);font-weight:600;color:var(--dark)}
.article-content img{border-radius:var(--radius-md);margin:1.6em auto}
.article-content figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:8px}

/* Article bottom */
.article-bottom{margin-top:48px;padding-top:28px;border-top:1px solid var(--border)}
.post-nav{display:flex;justify-content:space-between;gap:16px;margin-bottom:16px}
.post-nav-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:var(--radius-pill);background:#F4F6F5;color:var(--muted);font-size:14px;cursor:default}
.post-nav-btn.disabled{opacity:.55;cursor:not-allowed}
.back-category{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);transition:all var(--transition)}
.back-category:hover{color:var(--accent);gap:10px}

/* Not found */
.not-found{text-align:center;padding:80px 20px}
.not-found i{font-size:48px;color:var(--border);margin-bottom:20px}
.not-found p{font-size:18px;font-weight:600;color:var(--text);margin-bottom:24px}

/* Sidebar */
.article-side{display:flex;flex-direction:column;gap:24px;position:sticky;top:88px}
.side-card{background:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:28px 24px;border:1px solid var(--border)}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:20px;color:var(--text);padding-bottom:12px;border-bottom:2px solid var(--primary-light);position:relative}
.side-card h3::after{content:"";position:absolute;left:0;bottom:-2px;width:34px;height:2px;background:var(--primary);border-radius:2px}
.side-news-list{list-style:none;padding:0}
.side-news-list li{border-bottom:1px solid #EDF1EF}
.side-news-list li:last-child{border-bottom:none}
.side-news-list a{display:block;padding:12px 0;transition:all var(--transition)}
.side-news-list a:hover{padding-left:8px}
.side-news-list .news-title{display:block;font-size:14px;font-weight:500;color:var(--text);line-height:1.5;margin-bottom:4px}
.side-news-list .news-date{display:block;font-size:12px;color:var(--muted)}
.login-card{border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,linear-gradient(135deg,var(--accent),#FFB347 55%,var(--primary)) border-box;box-shadow:0 6px 24px rgba(255,122,26,.12)}
.login-card h3{color:var(--accent-dark);border-bottom-color:var(--accent-light)}
.login-card h3::after{background:var(--accent)}
.login-card p{font-size:14px;color:var(--muted);margin-bottom:20px;line-height:1.6}

/* Related */
.related-section{padding:4rem 0 0}
.related-section h2{font-size:clamp(1.4rem,2.2vw,1.8rem);font-weight:800;color:var(--text);margin-bottom:28px;display:flex;align-items:center;gap:12px}
.related-section h2::before{content:"";width:5px;height:24px;background:var(--primary);border-radius:3px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{display:flex;gap:16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;transition:all var(--transition);text-decoration:none}
.related-card:hover{border-color:rgba(14,122,78,.3);box-shadow:var(--shadow-md);transform:translateY(-4px)}
.related-card .related-thumb{width:120px;height:80px;border-radius:var(--radius-md);object-fit:cover;flex-shrink:0;overflow:hidden}
.related-card .related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-info{display:flex;flex-direction:column;justify-content:center;min-width:0}
.related-info h3{font-size:14px;font-weight:600;line-height:1.5;color:var(--text);margin-bottom:6px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.related-date{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}

/* CTA */
.cta-section{padding:5rem 0;margin-top:4rem;background:linear-gradient(135deg,var(--dark-2),var(--dark)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;position:relative}
.cta-section::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,35,29,.94),rgba(18,59,46,.82))}
.cta-inner{position:relative;z-index:1;text-align:center;max-width:700px;margin:0 auto}
.cta-inner h2{color:#fff;font-size:clamp(1.6rem,2.8vw,2.2rem);font-weight:800;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.8);font-size:15px;margin-bottom:32px}

/* Footer */
.footer{background:var(--dark);padding:5rem 0 2rem;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1.4fr;gap:48px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer .logo{color:#fff;margin-bottom:18px}
.footer-brand p{color:rgba(255,255,255,.6);font-size:14px;line-height:1.8;max-width:36ch}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:20px;letter-spacing:.5px}
.footer-col ul{list-style:none;padding:0}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{color:rgba(255,255,255,.62);font-size:14px;transition:all var(--transition)}
.footer-col ul a:hover{color:var(--accent);padding-left:4px}
.footer-contact li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.62);font-size:14px}
.footer-contact i{color:var(--accent);font-size:13px;width:18px;text-align:center}
.footer-bottom{display:flex;align-items:center;justify-content:center;gap:16px;padding-top:28px;font-size:13px;color:rgba(255,255,255,.4)}
.footer-bottom .sep{color:rgba(255,255,255,.18)}

/* Responsive */
@media (max-width:1023px){
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--dark);flex-direction:column;padding:12px 24px 20px;gap:4px;border-top:1px solid rgba(255,255,255,.08);box-shadow:0 20px 40px rgba(0,0,0,.3)}
  .nav.nav-open{display:flex}
  .nav a{width:100%;padding:14px 12px;border-radius:10px}
  .nav a.active::after{display:none}
  .nav a.active{background:rgba(255,122,26,.14)}
  .nav-toggle{display:flex}
  .article-layout{grid-template-columns:1fr;gap:32px}
  .article-side{position:static}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section-pad{padding:3.5rem 0}
}
@media (max-width:767px){
  .header-inner{height:60px}
  .logo{font-size:15px}
  .logo-icon{width:32px;height:32px;font-size:14px}
  .nav-btn span{display:none}
  .nav-btn{padding:10px 16px;font-size:13px}
  .article-main{padding:28px 20px}
  .article-title{font-size:1.4rem}
  .article-meta{gap:12px;font-size:13px;flex-wrap:wrap}
  .post-nav{flex-direction:column}
  .post-nav-btn{width:100%}
  .related-grid{grid-template-columns:1fr}
  .related-card .related-thumb{width:100px;height:72px}
  .cta-section{padding:4rem 0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .breadcrumb-inner .current{max-width:22ch}
}
@media (max-width:430px){
  .container{padding:0 18px}
  .article-main{padding:22px 16px}
  .related-card{flex-direction:column}
  .related-card .related-thumb{width:100%;height:auto;aspect-ratio:16/9}
}

/* roulang page: category2 */
:root {
      --color-primary: #0E7A4E;
      --color-primary-dark: #0B6240;
      --color-primary-light: #E6F4EE;
      --color-accent: #FF7A1A;
      --color-accent-dark: #E56A0A;
      --color-accent-light: #FFF1E6;
      --color-dark: #0B231D;
      --color-dark-2: #123B2E;
      --color-bg: #F6F8F7;
      --color-bg-alt: #F0F4F2;
      --color-text: #1F2937;
      --color-text-muted: #6B7280;
      --color-border: #D1D5DB;
      --color-white: #FFFFFF;
      --radius-card: 16px;
      --radius-btn: 999px;
      --radius-input: 10px;
      --shadow-sm: 0 1px 3px rgba(11, 35, 30, .06);
      --shadow-md: 0 12px 30px rgba(11, 35, 30, .12);
      --transition: all .3s ease;
      --container: 1200px;
      --font-title: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --font-digit: "DIN Alternate", "Roboto Mono", "Oswald", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-body);
      font-size: 1rem;
      line-height: 1.75;
      color: var(--color-text);
      background: var(--color-bg);
      -webkit-font-smoothing: antialiased;
    }

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

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

    ul,
    ol {
      list-style: none;
    }

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

    input {
      font-family: inherit;
    }

    .container {
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 24px;
    }

    .text-orange {
      color: var(--color-accent);
    }

    .text-green {
      color: var(--color-primary);
    }

    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      border: 0;
    }

    /* Header & Nav */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: var(--color-dark);
      box-shadow: 0 2px 12px rgba(11, 35, 30, .3);
    }

    .header-inner {
      display: flex;
      align-items: center;
      height: 64px;
      gap: 32px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 1.05rem;
      color: #fff;
      white-space: nowrap;
      flex-shrink: 0;
    }

    .logo-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: var(--color-accent);
      color: #fff;
      font-size: 1rem;
    }

    .nav {
      display: flex;
      align-items: center;
      gap: 28px;
      margin-left: auto;
    }

    .nav a {
      color: rgba(255, 255, 255, .82);
      font-size: .9375rem;
      font-weight: 500;
      padding: 6px 2px;
      position: relative;
      transition: var(--transition);
      white-space: nowrap;
    }

    .nav a::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -2px;
      width: 100%;
      height: 2px;
      border-radius: 2px;
      background: var(--color-accent);
      transform: scaleX(0);
      transition: transform .3s ease;
      transform-origin: left;
    }

    .nav a:hover {
      color: #fff;
    }

    .nav a:hover::after {
      transform: scaleX(1);
    }

    .nav a.active {
      color: #fff;
    }

    .nav a.active::after {
      transform: scaleX(1);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--color-accent);
      color: #fff;
      border-radius: var(--radius-btn);
      padding: 10px 26px;
      font-size: .875rem;
      font-weight: 600;
      white-space: nowrap;
      transition: var(--transition);
      border: 2px solid transparent;
      flex-shrink: 0;
    }

    .nav-cta:hover {
      background: var(--color-accent-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(255, 122, 26, .3);
      color: #fff;
    }

    .nav-cta:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 2px;
    }

    .nav-toggle {
      display: none;
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: rgba(255, 255, 255, .08);
      color: #fff;
      font-size: 1.125rem;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      transition: var(--transition);
    }

    .nav-toggle:hover {
      background: rgba(255, 255, 255, .16);
    }

    /* Page Banner */
    .page-banner {
      background: linear-gradient(135deg, var(--color-dark-2) 0%, var(--color-dark) 100%);
      position: relative;
      overflow: hidden;
      padding: 72px 0 64px;
    }

    .page-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: radial-gradient(circle, rgba(255, 255, 255, .08) 1px, transparent 1px);
      background-size: 24px 24px;
      opacity: .35;
      pointer-events: none;
    }

    .banner-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.3fr .7fr;
      gap: 48px;
      align-items: center;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: .8125rem;
      color: rgba(255, 255, 255, .55);
      margin-bottom: 20px;
      flex-wrap: wrap;
    }

    .breadcrumb a {
      color: rgba(255, 255, 255, .75);
      transition: var(--transition);
    }

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

    .breadcrumb .sep {
      opacity: .5;
    }

    .breadcrumb .current {
      color: rgba(255, 255, 255, .5);
    }

    .page-banner h1 {
      font-size: clamp(1.75rem, 3.5vw, 2.75rem);
      font-weight: 800;
      line-height: 1.25;
      color: #fff;
      margin-bottom: 16px;
      letter-spacing: .01em;
    }

    .page-banner .banner-desc {
      color: rgba(255, 255, 255, .75);
      font-size: .9375rem;
      line-height: 1.8;
      max-width: 540px;
    }

    .banner-media {
      position: relative;
    }

    .banner-media img {
      border-radius: 16px;
      width: 100%;
      height: 260px;
      object-fit: cover;
      box-shadow: 0 20px 40px rgba(0, 0, 0, .35);
      border: 2px solid rgba(255, 255, 255, .08);
    }

    .banner-media .badge-float {
      position: absolute;
      bottom: -14px;
      left: 20px;
      background: var(--color-white);
      border-radius: 12px;
      padding: 10px 16px;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: .8125rem;
      font-weight: 600;
      color: var(--color-text);
    }

    .banner-media .badge-float i {
      color: var(--color-accent);
    }

    /* Guide Tabs */
    .guide-tabs {
      background: var(--color-white);
      border-bottom: 1px solid #E8EDEB;
      padding: 28px 0;
    }

    .tabs-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
    }

    .tab-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 22px;
      border-radius: var(--radius-btn);
      border: 1px solid #E8EDEB;
      background: var(--color-white);
      color: var(--color-text);
      font-size: .875rem;
      font-weight: 500;
      transition: var(--transition);
    }

    .tab-btn i {
      color: var(--color-primary);
      font-size: .875rem;
    }

    .tab-btn:hover {
      border-color: var(--color-primary);
      color: var(--color-primary);
      background: var(--color-primary-light);
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }

    .tab-btn:focus-visible {
      outline: 2px dashed var(--color-accent);
      outline-offset: 2px;
    }

    /* FAQ Section */
    .faq-section {
      padding: 72px 0;
      background: var(--color-bg);
    }

    .faq-section .section-head {
      text-align: center;
      margin-bottom: 56px;
    }

    .section-head .eyebrow {
      display: inline-block;
      background: var(--color-primary-light);
      color: var(--color-primary);
      font-size: .8125rem;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: var(--radius-btn);
      margin-bottom: 16px;
    }

    .section-head h2 {
      font-size: clamp(1.5rem, 2.5vw, 2.1rem);
      font-weight: 800;
      color: var(--color-text);
      line-height: 1.35;
    }

    .section-head h2 .highlight {
      color: var(--color-primary);
      position: relative;
    }

    .section-head .section-desc {
      color: var(--color-text-muted);
      font-size: .9375rem;
      margin-top: 12px;
      max-width: 640px;
      margin-left: auto;
      margin-right: auto;
    }

    .faq-groups {
      display: flex;
      flex-direction: column;
      gap: 48px;
    }

    .faq-group {
      background: var(--color-white);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-sm);
      border: 1px solid #E8EDEB;
      padding: 36px;
    }

    .faq-group-title {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--color-text);
      margin-bottom: 24px;
      padding-bottom: 16px;
      border-bottom: 2px solid var(--color-bg);
    }

    .faq-group-title::before {
      content: '';
      width: 4px;
      height: 22px;
      border-radius: 2px;
      background: var(--color-primary);
      flex-shrink: 0;
    }

    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: var(--color-white);
      border: 1px solid #E8EDEB;
      border-radius: 12px;
      overflow: hidden;
      transition: var(--transition);
      scroll-margin-top: 80px;
    }

    .faq-item:hover {
      border-color: rgba(14, 122, 78, .35);
    }

    .faq-item.active {
      border-color: rgba(14, 122, 78, .25);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 24px;
      font-size: 1rem;
      font-weight: 600;
      color: var(--color-text);
      cursor: pointer;
      transition: var(--transition);
      gap: 16px;
      min-height: 56px;
    }

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

    .faq-question .q-icon {
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--color-bg);
      position: relative;
      transition: var(--transition);
    }

    .faq-question .q-icon::before,
    .faq-question .q-icon::after {
      content: '';
      position: absolute;
      background: var(--color-primary);
      border-radius: 2px;
      transition: var(--transition);
    }

    .faq-question .q-icon::before {
      width: 12px;
      height: 2px;
      top: 13px;
      left: 8px;
    }

    .faq-question .q-icon::after {
      width: 2px;
      height: 12px;
      top: 8px;
      left: 13px;
    }

    .faq-item.active .faq-question .q-icon {
      background: var(--color-primary);
    }

    .faq-item.active .faq-question .q-icon::before {
      background: #fff;
    }

    .faq-item.active .faq-question .q-icon::after {
      background: #fff;
      opacity: 0;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .25s ease;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      border-top: 1px solid #F0F4F2;
      color: var(--color-text-muted);
      font-size: .9375rem;
      line-height: 1.85;
    }

    .faq-answer-inner p + p {
      margin-top: 8px;
    }

    .faq-answer-inner strong {
      color: var(--color-text);
      font-weight: 600;
    }

    /* CTA Section */
    .cta-section {
      background: linear-gradient(135deg, var(--color-dark-2), var(--color-dark));
      padding: 72px 0;
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: radial-gradient(circle, rgba(255, 255, 255, .06) 1px, transparent 1px);
      background-size: 20px 20px;
      opacity: .3;
      pointer-events: none;
    }

    .cta-inner {
      position: relative;
      z-index: 2;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 48px;
      flex-wrap: wrap;
    }

    .cta-left {
      flex: 1;
      min-width: 280px;
    }

    .cta-left h2 {
      color: #fff;
      font-size: clamp(1.4rem, 2.4vw, 1.9rem);
      font-weight: 800;
      margin-bottom: 12px;
    }

    .cta-left p {
      color: rgba(255, 255, 255, .75);
      font-size: .9375rem;
      max-width: 520px;
      line-height: 1.8;
    }

    .cta-right {
      flex-shrink: 0;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 14px 36px;
      border-radius: var(--radius-btn);
      font-size: .9375rem;
      font-weight: 600;
      transition: var(--transition);
      border: 2px solid transparent;
    }

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

    .btn-primary:hover {
      background: var(--color-accent-dark);
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(255, 122, 26, .35);
      color: #fff;
    }

    .btn-primary:focus-visible {
      outline: 2px solid #fff;
      outline-offset: 2px;
    }

    .btn-outline {
      background: transparent;
      border-color: rgba(255, 255, 255, .5);
      color: #fff;
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, .08);
      border-color: #fff;
      color: #fff;
    }

    .btn-outline:focus-visible {
      outline: 2px dashed var(--color-accent);
      outline-offset: 2px;
    }

    .btn-lg {
      padding: 16px 44px;
      font-size: 1rem;
    }

    /* Footer */
    .footer {
      background: var(--color-dark);
      padding: 64px 0 20px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 40px;
    }

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

    .footer-brand p {
      color: rgba(255, 255, 255, .65);
      font-size: .875rem;
      line-height: 1.75;
      max-width: 320px;
    }

    .footer-col h4 {
      color: #fff;
      font-size: .9375rem;
      font-weight: 600;
      margin-bottom: 18px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-col h4::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 24px;
      height: 2px;
      border-radius: 2px;
      background: var(--color-accent);
    }

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

    .footer-col ul li a {
      color: rgba(255, 255, 255, .6);
      font-size: .875rem;
      transition: var(--transition);
    }

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

    .footer-contact li {
      display: flex;
      align-items: center;
      gap: 10px;
      color: rgba(255, 255, 255, .6);
      font-size: .875rem;
    }

    .footer-contact li i {
      color: var(--color-accent);
      width: 16px;
      text-align: center;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, .1);
      color: rgba(255, 255, 255, .4);
      font-size: .8125rem;
      flex-wrap: wrap;
    }

    .footer-bottom .sep {
      opacity: .5;
    }

    /* Responsive */
    @media (max-width: 1023px) {
      .nav-toggle {
        display: inline-flex;
      }

      .nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--color-dark);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 12px 24px 24px;
        box-shadow: 0 20px 30px rgba(0, 0, 0, .3);
        transform: translateY(-110%);
        opacity: 0;
        pointer-events: none;
        transition: transform .3s ease, opacity .3s ease;
        margin-left: 0;
        border-top: 1px solid rgba(255, 255, 255, .08);
      }

      .nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
      }

      .nav a {
        display: block;
        padding: 14px 8px;
        border-radius: 8px;
        font-size: 1rem;
        color: rgba(255, 255, 255, .82);
      }

      .nav a::after {
        display: none;
      }

      .nav a:hover {
        background: rgba(255, 255, 255, .06);
        color: #fff;
      }

      .nav a.active {
        background: rgba(14, 122, 78, .2);
        color: #fff;
        border-left: 3px solid var(--color-accent);
      }

      .nav-cta {
        margin-left: auto;
        padding: 8px 18px;
        font-size: .8125rem;
      }

      .banner-inner {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .banner-media img {
        height: 220px;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
    }

    @media (max-width: 767px) {
      .header-inner {
        gap: 16px;
      }

      .logo {
        font-size: .95rem;
      }

      .logo-icon {
        width: 28px;
        height: 28px;
        font-size: .875rem;
      }

      .page-banner {
        padding: 48px 0 48px;
      }

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

      .faq-group {
        padding: 20px;
      }

      .faq-group-title {
        font-size: 1.1rem;
      }

      .faq-question {
        padding: 16px 18px;
        font-size: .9375rem;
      }

      .faq-answer-inner {
        padding: 0 18px 16px;
      }

      .cta-inner {
        flex-direction: column;
        gap: 24px;
      }

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

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

      .footer-brand p {
        max-width: none;
      }

      .tabs-wrap {
        gap: 8px;
      }

      .tab-btn {
        padding: 8px 14px;
        font-size: .8125rem;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 18px;
      }

      .header-inner {
        height: 56px;
        gap: 10px;
      }

      .nav {
        top: 56px;
      }

      .logo span:last-child {
        font-size: .85rem;
      }

      .nav-cta {
        padding: 8px 14px;
        font-size: .75rem;
      }

      .page-banner h1 {
        font-size: 1.5rem;
      }

      .page-banner .banner-desc {
        font-size: .875rem;
      }

      .banner-media img {
        height: 180px;
      }

      .section-head h2 {
        font-size: 1.4rem;
      }

      .faq-group {
        padding: 16px;
      }

      .faq-question {
        font-size: .875rem;
      }

      .faq-answer-inner {
        font-size: .875rem;
      }

      .btn-lg {
        padding: 14px 30px;
        font-size: .9375rem;
      }

      .footer {
        padding: 48px 0 16px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
      }

      html {
        scroll-behavior: auto;
      }
    }