/* roulang page: index */
:root{--primary:#0F6B5C;--primary-dark:#0C4F44;--primary-light:rgba(15,107,92,0.10);--accent:#E8A33C;--accent-dark:#D9932F;--bg-warm:#F7F5F0;--bg-white:#FFFFFF;--bg-dark:#0C2B28;--bg-dark-light:rgba(12,43,40,0.96);--text-main:#242B29;--text-secondary:#5A6561;--text-light:#8A938F;--border:#E7E4DC;--radius-lg:16px;--radius-md:10px;--radius-sm:6px;--radius-pill:999px;--shadow-sm:0 1px 2px rgba(20,30,28,0.04),0 8px 24px rgba(20,30,28,0.06);--shadow-hover:0 4px 12px rgba(20,30,28,0.10),0 16px 40px rgba(20,30,28,0.08);--font-main:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:120px}
body{font-family:var(--font-main);background:var(--bg-warm);color:var(--text-main);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea{font-family:inherit;font-size:14px;outline:none}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section--white{background:var(--bg-white)}
.section--warm{background:var(--bg-warm)}
.section-header{max-width:720px;margin-bottom:48px}
.section-header h2{font-size:32px;font-weight:700;color:var(--text-main);line-height:1.3;margin-bottom:14px;letter-spacing:-0.02em}
.section-header p{font-size:16px;color:var(--text-secondary);line-height:1.7}
.section-header .section-tag{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--primary);background:var(--primary-light);padding:6px 16px;border-radius:var(--radius-pill);margin-bottom:16px}
.section-header .section-tag::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent)}
/* header */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:box-shadow .25s}
.site-header.scrolled{box-shadow:0 2px 12px rgba(20,30,28,0.05)}
.header-top{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-icon{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:#fff;box-shadow:0 2px 8px rgba(15,107,92,0.25)}
.logo-text{font-size:20px;font-weight:650;color:var(--primary);letter-spacing:-0.01em}
.header-actions{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;background:var(--bg-warm);border:1px solid var(--border);border-radius:var(--radius-pill);padding:0 6px 0 16px;height:40px;width:230px;transition:border-color .2s,box-shadow .2s}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,107,92,0.10);background:#fff}
.search-box input{border:none;background:transparent;flex:1;color:var(--text-main);font-size:14px}
.search-box input::placeholder{color:var(--text-light)}
.search-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;transition:background .2s}
.search-btn:hover{background:var(--primary-dark)}
.search-btn svg{width:16px;height:16px}
.menu-toggle{display:none;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center;border-radius:8px;transition:background .2s}
.menu-toggle:hover{background:var(--bg-warm)}
.menu-toggle span{width:24px;height:2px;background:var(--text-main);border-radius:2px;transition:all .3s}
.channel-bar{display:flex;align-items:center;justify-content:space-between;height:52px;border-top:1px solid rgba(231,228,220,0.6)}
.channel-nav{display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{font-size:15px;font-weight:500;color:var(--text-secondary);padding:8px 16px;border-radius:8px;position:relative;transition:color .2s,background .2s;white-space:nowrap}
.channel-nav a:hover{color:var(--primary);background:var(--primary-light)}
.channel-nav a.active{color:var(--primary);font-weight:600;background:var(--primary-light)}
.channel-nav a.active::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:20px;height:2px;background:var(--primary);border-radius:2px}
.nav-divider{width:1px;height:16px;background:var(--border);margin:0 6px;flex-shrink:0}
.trend-entry{position:relative;flex-shrink:0}
.trend-trigger{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--text-secondary);padding:6px 16px;border-radius:var(--radius-pill);background:var(--bg-warm);border:1px solid var(--border);transition:all .2s}
.trend-trigger:hover{color:var(--primary);border-color:var(--primary)}
.trend-trigger::after{content:'▾';font-size:12px}
.trend-panel{position:absolute;right:0;top:48px;width:300px;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-hover);padding:20px;display:none;z-index:100;border:1px solid var(--border)}
.trend-panel.active{display:block;animation:panelIn .2s ease}
@keyframes panelIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.trend-panel h4{font-size:14px;font-weight:600;color:var(--text-secondary);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border)}
.trend-tags{display:flex;flex-wrap:wrap;gap:8px}
.trend-tags a{font-size:13px;padding:6px 14px;border-radius:var(--radius-pill);background:var(--bg-warm);color:var(--text-secondary);transition:all .2s;border:1px solid transparent}
.trend-tags a:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}
/* hero */
.hero{position:relative;background-color:var(--bg-dark);background-image:linear-gradient(120deg,rgba(12,43,40,0.92) 0%,rgba(12,43,40,0.55) 55%,rgba(15,107,92,0.35) 100%),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;color:#fff;padding:88px 0}
.hero-inner{display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:#E8F0EE;background:rgba(255,255,255,0.12);padding:6px 16px;border-radius:var(--radius-pill);margin-bottom:20px;border:1px solid rgba(255,255,255,0.15)}
.hero-badge::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero h1{font-size:44px;font-weight:700;line-height:1.22;letter-spacing:-0.02em;margin-bottom:18px;color:#fff}
.hero-sub{font-size:18px;line-height:1.65;color:rgba(255,255,255,0.85);max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;align-items:center;gap:16px;margin-bottom:36px;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--bg-dark);font-size:16px;font-weight:600;padding:12px 28px;border-radius:var(--radius-md);transition:all .25s;box-shadow:0 2px 8px rgba(232,163,60,0.24)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 4px 16px rgba(232,163,60,0.30)}
.btn-primary:active{transform:translateY(0) scale(0.98)}
.btn-primary:focus-visible{outline:3px solid rgba(232,163,60,0.4);outline-offset:2px}
.btn-outline{display:inline-flex;align-items:center;gap:8px;background:transparent;color:#fff;font-size:16px;font-weight:500;padding:12px 28px;border-radius:var(--radius-md);border:1.5px solid rgba(255,255,255,0.5);transition:all .25s}
.btn-outline:hover{background:rgba(255,255,255,0.12);border-color:#fff}
.btn-outline:active{transform:scale(0.98)}
.btn-outline:focus-visible{outline:3px solid rgba(255,255,255,0.3);outline-offset:2px}
.hero-trust{display:flex;gap:24px;flex-wrap:wrap}
.hero-trust span{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:rgba(255,255,255,0.85)}
.hero-trust svg{width:16px;height:16px;color:var(--accent)}
.hero-visual{position:relative}
.hero-card{background:rgba(255,255,255,0.10);border:1px solid rgba(255,255,255,0.18);border-radius:20px;padding:32px;backdrop-filter:blur(4px)}
.hero-card-tag{display:inline-block;font-size:12px;font-weight:600;color:var(--accent);letter-spacing:0.04em;text-transform:uppercase;margin-bottom:16px;border:1px solid rgba(232,163,60,0.4);padding:4px 12px;border-radius:var(--radius-pill)}
.hero-card h3{font-size:26px;font-weight:700;color:#fff;margin-bottom:6px}
.hero-card .hero-card-desc{font-size:15px;color:rgba(255,255,255,0.7);margin-bottom:24px}
.hero-mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.hero-mini-stats>div{background:rgba(255,255,255,0.08);border-radius:12px;padding:16px 12px;text-align:center;border:1px solid rgba(255,255,255,0.08)}
.hero-mini-stats strong{display:block;font-size:28px;font-weight:700;color:#fff;line-height:1.2}
.hero-mini-stats span{font-size:13px;color:rgba(255,255,255,0.65)}
/* pain points */
.pain-section .section-inner{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:8px}
.pain-intro{grid-column:1/-1;background:var(--bg-white);border-radius:var(--radius-lg);padding:28px 32px;box-shadow:var(--shadow-sm);border-left:4px solid var(--accent);margin-bottom:8px}
.pain-intro p{font-size:16px;color:var(--text-secondary)}
.pain-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-sm);transition:all .25s;position:relative;overflow:hidden}
.pain-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.pain-card--wide{grid-column:1/-1;background:var(--bg-white);border-radius:var(--radius-lg);padding:32px 36px;box-shadow:var(--shadow-sm);transition:all .25s}
.pain-card--wide:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.pain-num{font-size:14px;font-weight:700;color:var(--accent);letter-spacing:0.05em;margin-bottom:16px}
.pain-card h3,.pain-card--wide h3{font-size:20px;font-weight:600;color:var(--text-main);margin-bottom:12px}
.pain-card p,.pain-card--wide p{font-size:15px;color:var(--text-secondary);line-height:1.7;margin-bottom:20px}
.pain-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--primary);transition:all .2s}
.pain-link:hover{gap:10px;color:var(--primary-dark)}
.pain-link::after{content:'→';transition:transform .2s}
/* solutions */
.solutions-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.solution-card{background:var(--bg-white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:all .3s;display:flex;flex-direction:column}
.solution-card:nth-child(2){margin-top:20px}
.solution-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.solution-cover{position:relative;overflow:hidden;aspect-ratio:16/10}
.solution-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.solution-card:hover .solution-cover img{transform:scale(1.03)}
.solution-cover::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(12,43,40,0.35),transparent 60%)}
.solution-badge{position:absolute;top:16px;left:16px;z-index:2;background:rgba(255,255,255,0.92);color:var(--primary);font-size:12px;font-weight:600;padding:4px 14px;border-radius:var(--radius-pill)}
.solution-body{padding:24px;display:flex;flex-direction:column;flex:1}
.solution-body h3{font-size:20px;font-weight:600;color:var(--text-main);margin-bottom:10px}
.solution-body p{font-size:14px;color:var(--text-secondary);line-height:1.65;flex:1;margin-bottom:20px}
.solution-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.solution-link:hover{gap:10px}
.solution-link::after{content:'→';transition:all .2s}
/* stats */
.stats-section{background:var(--bg-dark);position:relative;overflow:hidden;padding:72px 0}
.stats-section::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(232,163,60,0.4),transparent)}
.stats-inner{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:center}
.stats-title h2{font-size:28px;font-weight:700;color:#fff;line-height:1.35;margin-bottom:12px}
.stats-title p{font-size:15px;color:rgba(255,255,255,0.65)}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.stat-item{background:rgba(255,255,255,0.06);border-radius:var(--radius-lg);padding:28px 24px;text-align:center;border:1px solid rgba(255,255,255,0.06)}
.stat-number{font-size:48px;font-weight:700;color:var(--accent);line-height:1.1;margin-bottom:8px}
.stat-label{font-size:14px;color:rgba(255,255,255,0.7)}
/* news */
.news-section{background:var(--bg-white)}
.news-layout{display:grid;grid-template-columns:1fr 300px;gap:40px}
.news-list{display:flex;flex-direction:column;gap:0}
.news-item{display:grid;grid-template-columns:80px auto 1fr;gap:16px;align-items:center;padding:20px 16px;border-bottom:1px solid var(--border);transition:background .2s;border-radius:8px}
.news-item:hover{background:var(--bg-warm)}
.news-date{font-size:14px;color:var(--text-light);font-variant-numeric:tabular-nums;white-space:nowrap}
.news-tag{font-size:12px;font-weight:500;color:var(--primary);background:var(--primary-light);padding:3px 10px;border-radius:var(--radius-pill);white-space:nowrap}
.news-link{display:flex;flex-direction:column;gap:4px;min-width:0}
.news-title{font-size:16px;font-weight:600;color:var(--text-main);transition:color .2s;line-height:1.5;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.news-link:hover .news-title{color:var(--primary)}
.news-summary{font-size:14px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.cms-empty{grid-column:1/-1;padding:60px 20px;text-align:center;background:var(--bg-warm);border-radius:var(--radius-lg)}
.cms-empty-icon{width:64px;height:64px;border-radius:50%;background:var(--border);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:24px;color:var(--text-light)}
.cms-empty p{font-size:16px;font-weight:500;color:var(--text-secondary)}
.cms-empty .cms-empty-sub{font-size:14px;color:var(--text-light);margin-top:6px}
.news-sidebar{display:flex;flex-direction:column;gap:24px}
.sidebar-card{background:var(--bg-warm);border-radius:var(--radius-lg);padding:24px;border:1px solid var(--border)}
.sidebar-card h3{font-size:16px;font-weight:600;color:var(--text-main);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.hot-tags{display:flex;flex-wrap:wrap;gap:8px}
.hot-tags a{font-size:13px;padding:6px 14px;border-radius:var(--radius-pill);background:#fff;border:1px solid var(--border);color:var(--text-secondary);transition:all .2s}
.hot-tags a:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}
.sidebar-entry{display:block;padding:14px 16px;border-radius:10px;background:#fff;border:1px solid var(--border);transition:all .2s}
.sidebar-entry+.sidebar-entry{margin-top:10px}
.sidebar-entry:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}
.sidebar-entry strong{display:block;font-size:15px;font-weight:600;color:var(--text-main);margin-bottom:4px}
.sidebar-entry span{font-size:13px;color:var(--text-light)}
/* cta banner */
.cta-section{padding:64px 0}
.cta-banner{background:linear-gradient(120deg,#FDF6EA 0%,#F7E8D4 55%,#F2DDC0 100%);border-radius:20px;padding:48px 56px;display:flex;align-items:center;justify-content:space-between;gap:40px;position:relative;overflow:hidden}
.cta-banner::after{content:'';position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;background:rgba(232,163,60,0.15)}
.cta-content h2{font-size:26px;font-weight:700;color:var(--text-main);margin-bottom:10px}
.cta-content p{font-size:15px;color:var(--text-secondary);max-width:480px}
.cta-action{flex-shrink:0;position:relative;z-index:1}
.cta-action .btn-primary{padding:14px 36px;font-size:16px}
/* faq */
.faq-section{background:var(--bg-warm)}
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border);padding:0}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:20px 8px;cursor:pointer;transition:color .2s;width:100%;text-align:left}
.faq-question h3{font-size:16px;font-weight:500;color:var(--text-main);transition:color .2s;line-height:1.5}
.faq-item.active .faq-question h3{color:var(--primary);font-weight:600}
.faq-toggle{width:32px;height:32px;border-radius:50%;background:var(--bg-warm);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--text-secondary);transition:all .3s;flex-shrink:0}
.faq-item.active .faq-toggle{background:var(--primary);color:#fff;transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-answer-inner{padding:0 36px 20px 8px;font-size:14px;color:var(--text-secondary);line-height:1.8}
/* privacy */
.privacy-note{padding:32px 0 8px}
.privacy-inner{display:flex;align-items:center;gap:16px;background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 28px}
.privacy-icon{width:40px;height:40px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary);flex-shrink:0}
.privacy-icon svg{width:20px;height:20px}
.privacy-inner p{font-size:14px;color:var(--text-secondary)}
/* footer */
.site-footer{background:var(--bg-dark);color:#EAE6DA;padding:64px 0 0}
.footer-top{display:grid;grid-template-columns:1.2fr 2fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,0.12)}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-icon{background:var(--accent);color:var(--bg-dark)}
.footer-brand-about{font-size:14px;color:rgba(255,255,255,0.7);margin:20px 0 16px;line-height:1.8;max-width:320px}
.footer-contact{font-size:14px;color:rgba(255,255,255,0.6)}
.footer-contact span{margin-right:20px}
.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.footer-links-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:0.02em}
.footer-links-col a{display:block;font-size:14px;color:rgba(255,255,255,0.6);line-height:2;transition:color .2s}
.footer-links-col a:hover{color:var(--accent)}
.footer-bottom{padding:24px 0;text-align:center;font-size:13px;color:rgba(255,255,255,0.4)}
.footer-bottom a{color:rgba(255,255,255,0.5);transition:color .2s}
.footer-bottom a:hover{color:var(--accent)}
/* modal */
.modal-overlay{position:fixed;inset:0;background:rgba(12,43,40,0.55);backdrop-filter:blur(4px);z-index:2000;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.modal-overlay.active{opacity:1;visibility:visible}
.modal{width:520px;max-width:calc(100vw - 32px);max-height:85vh;overflow-y:auto;background:#FBF9F4;border-radius:20px;padding:40px;position:relative;box-shadow:0 24px 80px rgba(12,43,40,0.25);transform:translateY(20px) scale(0.96);transition:transform .3s}
.modal-overlay.active .modal{transform:translateY(0) scale(1)}
.modal-close{position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:50%;background:var(--bg-warm);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--text-secondary);transition:all .2s}
.modal-close:hover{background:var(--primary);color:#fff}
.modal h3{font-size:22px;font-weight:700;color:var(--text-main);margin-bottom:8px}
.modal-desc{font-size:14px;color:var(--text-secondary);margin-bottom:24px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text-main);margin-bottom:8px}
.form-group input,.form-group textarea{width:100%;border:1px solid var(--border);border-radius:10px;background:#fff;padding:12px 16px;font-size:14px;color:var(--text-main);transition:border-color .2s,box-shadow .2s;height:44px}
.form-group textarea{height:auto;resize:vertical;min-height:80px}
.form-group input:focus,.form-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,107,92,0.10)}
.btn-block{width:100%;justify-content:center}
.modal-privacy{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-light);margin-top:16px;justify-content:center}
.modal-privacy svg{width:14px;height:14px;color:var(--primary)}
.btn-success{background:var(--primary)!important;color:#fff!important}
/* back to top */
.back-top{position:fixed;bottom:32px;right:32px;width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 4px 16px rgba(15,107,92,0.3);opacity:0;visibility:hidden;transition:all .3s;z-index:900}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:var(--primary-dark)}
/* mobile menu */
.mobile-drawer{position:fixed;top:0;right:-320px;width:320px;max-width:85vw;height:100vh;background:#FBF9F4;z-index:1500;transition:right .3s ease;box-shadow:-8px 0 32px rgba(12,43,40,0.15);padding:24px;overflow-y:auto}
.mobile-drawer.active{right:0}
.mobile-drawer-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.mobile-drawer .logo-text{font-size:18px}
.mobile-drawer-close{width:40px;height:40px;border-radius:50%;background:var(--bg-warm);display:flex;align-items:center;justify-content:center;font-size:20px}
.mobile-nav a{display:block;font-size:16px;font-weight:500;color:var(--text-main);padding:14px 16px;border-radius:10px;transition:all .2s;margin-bottom:4px}
.mobile-nav a:hover,.mobile-nav a.active{background:var(--primary-light);color:var(--primary)}
.mobile-nav .nav-divider{display:none}
.mobile-search{margin-bottom:24px;display:flex;gap:8px}
.mobile-search input{flex:1;border:1px solid var(--border);border-radius:10px;background:#fff;padding:12px 16px;height:44px}
.mobile-search button{width:44px;height:44px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center}
.mobile-trends{margin-top:24px}
.mobile-trends h4{font-size:14px;font-weight:600;color:var(--text-secondary);margin-bottom:12px}
/* responsive */
@media(max-width:1024px){
.hero h1{font-size:36px}
.hero-inner{grid-template-columns:1fr;gap:32px}
.hero-visual{max-width:480px}
.solutions-grid{grid-template-columns:repeat(2,1fr)}
.solution-card:nth-child(3){margin-top:0;grid-column:1/-1;max-width:calc(50% - 12px)}
.stats-inner{grid-template-columns:1fr;gap:32px}
.news-layout{grid-template-columns:1fr}
.news-sidebar{flex-direction:row;flex-wrap:wrap;gap:16px}
.news-sidebar .sidebar-card{flex:1;min-width:200px}
.footer-top{grid-template-columns:1fr;gap:32px}
}
@media(max-width:767px){
.section{padding:48px 0}
.container{padding:0 16px}
.section-header h2{font-size:24px}
.header-top{height:60px}
.search-box{display:none}
.menu-toggle{display:flex}
.channel-bar{display:none}
.hero{padding:56px 0}
.hero h1{font-size:28px}
.hero-sub{font-size:16px}
.hero-actions{flex-direction:column;align-items:stretch}
.btn-primary,.btn-outline{width:100%;justify-content:center}
.hero-trust{gap:14px}
.hero-card{padding:24px}
.hero-mini-stats{grid-template-columns:repeat(3,1fr);gap:8px}
.hero-mini-stats strong{font-size:20px}
.pain-section .section-inner{grid-template-columns:1fr}
.pain-card--wide{grid-column:auto}
.solutions-grid{grid-template-columns:1fr}
.solution-card:nth-child(2){margin-top:0}
.solution-card:nth-child(3){grid-column:auto}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.stat-number{font-size:32px}
.cta-banner{flex-direction:column;padding:32px 24px;text-align:center}
.cta-action .btn-primary{width:100%}
.news-item{grid-template-columns:1fr;gap:6px;padding:16px}
.news-date{font-size:13px}
.news-sidebar{flex-direction:column}
.footer-links{grid-template-columns:repeat(2,1fr)}
.footer-bottom{font-size:12px;padding:20px 16px}
.modal{padding:28px 20px}
.back-top{bottom:20px;right:20px;width:44px;height:44px}
}
@media(max-width:520px){
.stats-grid{grid-template-columns:1fr 1fr}
.stat-number{font-size:28px}
.footer-links{grid-template-columns:1fr 1fr;gap:20px}
.modal{width:100%}
.hero-mini-stats{grid-template-columns:1fr 1fr 1fr}
.hero-trust{flex-direction:column}
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
    :root {
      --primary: #0F6B5C;
      --primary-dark: #0B5550;
      --primary-light: rgba(15, 107, 92, 0.1);
      --accent: #E8A33C;
      --accent-dark: #D9932F;
      --accent-light: rgba(232, 163, 60, 0.12);
      --bg: #F7F5F0;
      --bg-card: #FFFFFF;
      --bg-dark: #0C2B28;
      --bg-dark-2: #123833;
      --text: #242B29;
      --text-light: #5A6561;
      --text-lighter: #8A938F;
      --border: #E7E4DC;
      --border-light: rgba(231, 228, 220, 0.6);
      --success: #2E9B6C;
      --warning: #D48A24;
      --error: #C74E3F;
      --radius-lg: 16px;
      --radius-md: 10px;
      --radius-sm: 8px;
      --radius-pill: 999px;
      --shadow-card: 0 1px 2px rgba(20, 30, 28, 0.04), 0 8px 24px rgba(20, 30, 28, 0.06);
      --shadow-card-hover: 0 2px 8px rgba(20, 30, 28, 0.08), 0 16px 32px rgba(20, 30, 28, 0.10);
      --transition-base: all 0.25s ease;
      --container-max: 1200px;
      --spacing-section: 80px;
      --spacing-section-mobile: 48px;
      --font-main: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
      --font-mono: "SF Mono", "JetBrains Mono", "Consolas", monospace;
    }

    /* ===== Reset ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; scroll-padding-top: 110px; -webkit-text-size-adjust: 100%; }
    body { font-family: var(--font-main); font-size: 16px; line-height: 1.75; color: var(--text); background-color: var(--bg); -webkit-font-smoothing: antialiased; }
    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; transition: var(--transition-base); }
    button { font-family: inherit; border: none; background: none; cursor: pointer; }
    input, select, textarea { font-family: inherit; }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
    .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }

    /* ===== Utility ===== */
    .section-padding { padding: var(--spacing-section) 0; }
    .section-padding-sm { padding: 48px 0; }
    .text-primary { color: var(--primary); }
    .text-accent { color: var(--accent); }
    .text-center { text-align: center; }

    /* ===== Header / Navigation ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-light);
      box-shadow: 0 1px 4px rgba(20, 30, 28, 0.03);
    }
    .header-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 56px;
      border-bottom: 1px solid rgba(231, 228, 220, 0.4);
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .logo-icon {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      font-weight: 700;
    }
    .logo-text {
      font-size: 20px;
      font-weight: 700;
      color: var(--text);
      letter-spacing: 0.5px;
      white-space: nowrap;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .search-box {
      display: flex;
      align-items: center;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-pill);
      padding: 0 14px;
      height: 36px;
      width: 220px;
      transition: border-color 0.2s ease;
    }
    .search-box:focus-within { border-color: var(--primary); background: #fff; }
    .search-box input {
      flex: 1;
      border: none;
      background: transparent;
      font-size: 13px;
      color: var(--text);
      outline: none;
    }
    .search-box input::placeholder { color: var(--text-lighter); }
    .search-box i { color: var(--text-lighter); font-size: 14px; }
    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      width: 40px;
      height: 40px;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
    }
    .menu-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--text);
      border-radius: 2px;
      transition: var(--transition-base);
    }
    .menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .menu-toggle.active span:nth-child(2) { opacity: 0; }
    .menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .header-bottom { height: 52px; display: flex; align-items: center; }
    .channel-nav {
      display: flex;
      align-items: center;
      gap: 6px;
      height: 100%;
      overflow-x: auto;
      scrollbar-width: none;
    }
    .channel-nav::-webkit-scrollbar { display: none; }
    .channel-nav a {
      padding: 0 14px;
      font-size: 15px;
      color: var(--text-light);
      font-weight: 500;
      position: relative;
      white-space: nowrap;
      height: 100%;
      display: flex;
      align-items: center;
      transition: color 0.2s ease;
    }
    .channel-nav a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 0;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
      transition: width 0.25s ease;
    }
    .channel-nav a:hover { color: var(--primary); }
    .channel-nav a:hover::after { width: 24px; }
    .channel-nav a.current { color: var(--primary); font-weight: 600; }
    .channel-nav a.current::after { width: 24px; }
    .nav-divider { width: 1px; height: 16px; background: var(--border); flex-shrink: 0; }
    .nav-side-links {
      margin-left: auto;
      display: flex;
      align-items: center;
      gap: 8px;
      padding-left: 16px;
    }
    .nav-side-links a {
      font-size: 13px;
      color: var(--text-light);
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      background: var(--bg);
      border: 1px solid var(--border);
      white-space: nowrap;
      transition: var(--transition-base);
    }
    .nav-side-links a:hover { color: var(--primary); border-color: var(--primary); background: var(--primary-light); }

    /* ===== Mobile Drawer ===== */
    .mobile-drawer {
      position: fixed;
      top: 0;
      right: -320px;
      width: 320px;
      max-width: 85vw;
      height: 100vh;
      background: #FBF9F4;
      z-index: 2000;
      transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
      display: none;
      flex-direction: column;
      box-shadow: -8px 0 30px rgba(0, 0, 0, 0.12);
      padding: 24px;
    }
    .mobile-drawer.open { right: 0; }
    .drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 30px; }
    .drawer-logo { display: flex; align-items: center; gap: 8px; }
    .drawer-logo .logo-icon { width: 30px; height: 30px; font-size: 14px; }
    .drawer-logo .logo-text { font-size: 18px; }
    .drawer-close { width: 40px; height: 40px; border-radius: 50%; background: var(--bg); display: flex; align-items: center; justify-content: center; color: var(--text); transition: var(--transition-base); }
    .drawer-close:hover { background: var(--primary); color: #fff; }
    .drawer-nav { display: flex; flex-direction: column; gap: 4px; }
    .drawer-nav a {
      padding: 14px 14px;
      font-size: 16px;
      border-radius: var(--radius-md);
      color: var(--text);
      transition: var(--transition-base);
      border-left: 3px solid transparent;
    }
    .drawer-nav a:hover, .drawer-nav a.current { background: var(--primary-light); color: var(--primary); border-left-color: var(--primary); }
    .drawer-divider { height: 1px; background: var(--border); margin: 20px 0; }
    .drawer-search { width: 100%; }

    .overlay {
      position: fixed;
      top: 0; left: 0; width: 100%; height: 100%;
      background: rgba(12, 43, 40, 0.5);
      z-index: 1500;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s ease, visibility 0.3s ease;
    }
    .overlay.show { opacity: 1; visibility: visible; }

    /* ===== Breadcrumb ===== */
    .breadcrumb-bar {
      background: var(--bg);
      border-bottom: 1px solid var(--border-light);
      padding: 12px 0;
      font-size: 13px;
      color: var(--text-lighter);
    }
    .breadcrumb-bar .breadcrumb-inner { display: flex; align-items: center; gap: 8px; }
    .breadcrumb-bar a { color: var(--text-light); }
    .breadcrumb-bar a:hover { color: var(--primary); }
    .breadcrumb-bar .icon-sep { color: var(--border); font-size: 12px; }
    .breadcrumb-current { color: var(--primary); font-weight: 500; }

    /* ===== Hero ===== */
    .category-hero {
      position: relative;
      padding: 70px 0 72px;
      background: linear-gradient(135deg, rgba(15, 107, 92, 0.96), rgba(11, 85, 80, 0.90)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
      overflow: hidden;
    }
    .category-hero .container {
      display: flex;
      align-items: center;
      gap: 60px;
      position: relative;
      z-index: 2;
    }
    .hero-content { flex: 1; max-width: 560px; }
    .hero-text-wrap { flex: 1; }
    .hero-text-wrap h1 {
      font-size: 44px;
      color: #fff;
      margin-bottom: 16px;
      letter-spacing: 1px;
    }
    .hero-text-wrap .hero-desc {
      font-size: 17px;
      color: rgba(255, 255, 255, 0.85);
      line-height: 1.8;
      margin-bottom: 28px;
    }
    .hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
    .btn-primary, .btn-outline-light { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 32px; border-radius: var(--radius-md); font-size: 15px; font-weight: 600; transition: var(--transition-base); }
    .btn-primary { background: var(--accent); color: #fff; }
    .btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(232, 163, 60, 0.3); }
    .btn-primary:active { transform: scale(0.97); }
    .btn-outline-light { border: 2px solid rgba(255, 255, 255, 0.7); color: #fff; background: transparent; }
    .btn-outline-light:hover { background: rgba(255, 255, 255, 0.1); border-color: #fff; transform: translateY(-2px); }
    .hero-privacy {
      font-size: 12px; color: rgba(255, 255, 255, 0.6);
      display: flex; align-items: center; gap: 6px; margin-top: 18px;
    }
    .hero-privacy i { font-size: 13px; }
    .hero-visual {
      flex: 0 0 400px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(4px);
    }
    .hero-visual img { width: 100%; height: 300px; object-fit: cover; }
    .hero-visual-caption { padding: 14px 18px; font-size: 13px; color: rgba(255, 255, 255, 0.75); line-height: 1.5; }
    .hero-badges {
      position: absolute;
      top: 28px; right: 24px;
      display: flex; gap: 8px; z-index: 3;
    }
    .hero-badge {
      background: rgba(255, 255, 255, 0.15);
      color: rgba(255, 255, 255, 0.9);
      font-size: 12px;
      padding: 4px 14px;
      border-radius: var(--radius-pill);
      backdrop-filter: blur(6px);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }

    /* ===== Section Title ===== */
    .section-header {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      margin-bottom: 40px;
      gap: 20px;
    }
    .section-title-wrap h2 { font-size: 30px; color: var(--text); margin-bottom: 8px; letter-spacing: 0.3px; }
    .section-title-wrap h2 .highlight { color: var(--primary); }
    .section-title-wrap p { font-size: 15px; color: var(--text-light); line-height: 1.7; }
    .section-link-more { color: var(--primary); font-size: 14px; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
    .section-link-more:hover { gap: 10px; }
    .section-link-more i { font-size: 13px; }

    /* ===== Category Cards ===== */
    .cat-cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .cat-card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border-light);
      transition: var(--transition-base);
      display: flex; flex-direction: column;
    }
    .cat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); }
    .cat-card:hover img { transform: scale(1.03); }
    .cat-card-top { position: relative; overflow: hidden; height: 180px; }
    .cat-card-top img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
    .cat-card-tag { position: absolute; top: 12px; left: 12px; background: rgba(255, 255, 255, 0.92); font-size: 12px; padding: 3px 12px; border-radius: var(--radius-pill); color: var(--primary); font-weight: 500; }
    .cat-card-body { padding: 22px 22px 20px; display: flex; flex-direction: column; flex: 1; }
    .cat-card-body h3 { font-size: 18px; margin-bottom: 10px; color: var(--text); }
    .cat-card-body h3 a:hover { color: var(--primary); }
    .cat-card-body p { font-size: 14px; color: var(--text-light); line-height: 1.6; margin-bottom: 16px; flex: 1; }
    .cat-card-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--text-lighter); padding-top: 12px; border-top: 1px solid var(--border-light); }
    .cat-card-meta span { display: inline-flex; align-items: center; gap: 5px; }

    /* ===== Stats / Data Band ===== */
    .data-band {
      background: var(--bg-dark);
      color: #fff;
      padding: 60px 0;
    }
    .data-band h2 { color: #fff; font-size: 28px; text-align: center; margin-bottom: 8px; }
    .data-band-desc { text-align: center; color: rgba(255, 255, 255, 0.7); font-size: 14px; margin-bottom: 48px; }
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
    .stat-item { text-align: center; padding: 24px 16px; }
    .stat-item .stat-number { font-size: 46px; font-weight: 700; color: var(--accent); line-height: 1.1; font-family: var(--font-mono); }
    .stat-item .stat-label { font-size: 14px; color: rgba(255, 255, 255, 0.75); margin-top: 8px; }

    /* ===== News / Info List ===== */
    .info-grid { display: grid; grid-template-columns: 1fr 300px; gap: 32px; }
    .news-list { display: flex; flex-direction: column; gap: 0; }
    .news-item {
      display: flex; align-items: flex-start; gap: 20px;
      padding: 18px 0;
      border-bottom: 1px solid var(--border-light);
      transition: var(--transition-base);
    }
    .news-item:hover .news-title { color: var(--primary); }
    .news-item:hover { padding-left: 8px; }
    .news-date { font-family: var(--font-mono); font-size: 14px; color: var(--text-lighter); white-space: nowrap; padding-top: 4px; width: 88px; flex-shrink: 0; }
    .news-date .day { font-size: 22px; color: var(--primary); font-weight: 700; display: block; }
    .news-body { flex: 1; }
    .news-tag { display: inline-block; background: var(--primary-light); color: var(--primary); font-size: 12px; padding: 3px 10px; border-radius: var(--radius-pill); margin-bottom: 8px; }
    .news-title { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 6px; transition: color 0.2s ease; }
    .news-desc { font-size: 14px; color: var(--text-light); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .news-side { display: flex; flex-direction: column; gap: 16px; }
    .side-card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      padding: 22px;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border-light);
    }
    .side-card h3 { font-size: 16px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border-light); position: relative; }
    .side-card h3::after { content: ''; position: absolute; bottom: -1px; left: 0; width: 28px; height: 3px; background: var(--primary); border-radius: 2px; }
    .hot-tags { display: flex; flex-wrap: wrap; gap: 8px; }
    .hot-tag { font-size: 13px; background: #F0EEE8; color: var(--text-light); padding: 5px 14px; border-radius: var(--radius-pill); transition: var(--transition-base); }
    .hot-tag:hover { background: var(--primary); color: #fff; }
    .side-card-link { font-size: 14px; color: var(--text-light); display: block; padding: 6px 0; transition: var(--transition-base); }
    .side-card-link:hover { color: var(--primary); padding-left: 6px; }

    /* ===== Timeline Section ===== */
    .timeline-wrap { background: #fff; padding: 80px 0; border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); }
    .timeline { position: relative; max-width: 800px; margin: 0 auto; padding-left: 40px; }
    .timeline::before { content: ''; position: absolute; top: 0; left: 14px; width: 2px; height: 100%; background: linear-gradient(to bottom, var(--primary), rgba(15, 107, 92, 0.2)); }
    .timeline-item { position: relative; margin-bottom: 44px; }
    .timeline-dot { position: absolute; left: -32px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); border: 3px solid var(--bg); box-sizing: content-box; box-shadow: 0 0 0 3px var(--accent-light); }
    .timeline-item h3 { font-size: 20px; margin-bottom: 6px; color: var(--text); }
    .timeline-item .timeline-date { font-size: 13px; color: var(--primary); font-weight: 600; display: block; margin-bottom: 8px; }
    .timeline-item p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

    /* ===== FAQ ===== */
    .faq-wrap { padding: 80px 0; }
    .faq-list { max-width: 820px; margin: 0 auto; }
    .faq-item { border-bottom: 1px solid var(--border); }
    .faq-item:first-child { border-top: 1px solid var(--border); }
    .faq-question {
      display: flex; align-items: center; justify-content: space-between; gap: 20px;
      width: 100%; padding: 18px 4px; font-size: 16px; font-weight: 500;
      color: var(--text); transition: var(--transition-base); text-align: left;
      cursor: pointer;
    }
    .faq-question .faq-icon { width: 28px; height: 28px; border-radius: 50%; border: 1.5px solid var(--border); display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: var(--transition-base); }
    .faq-question .faq-icon i { font-size: 12px; color: var(--text-lighter); }
    .faq-question:hover { color: var(--primary); }
    .faq-question:hover .faq-icon { border-color: var(--primary); }
    .faq-question.open { color: var(--primary); font-weight: 600; }
    .faq-question.open .faq-icon { background: var(--primary); border-color: var(--primary); }
    .faq-question.open .faq-icon i { color: #fff; transform: rotate(45deg); }
    .faq-answer { display: none; padding: 0 4px 20px; }
    .faq-answer p { font-size: 15px; color: var(--text-light); line-height: 1.8; }
    .faq-question.open + .faq-answer { display: block; }

    /* ===== CTA & Contact ===== */
    .cta-banner {
      padding: 70px 0;
      background: linear-gradient(120deg, var(--bg-dark) 0%, var(--bg-dark-2) 60%, rgba(15, 107, 92, 0.85) 100%);
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .cta-banner::after { content: ''; position: absolute; top: 50%; right: -20%; transform: translateY(-50%); width: 500px; height: 500px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, 0.08); }
    .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; position: relative; z-index: 2; }
    .cta-text h2 { font-size: 30px; color: #fff; margin-bottom: 12px; }
    .cta-text p { font-size: 15px; color: rgba(255, 255, 255, 0.75); line-height: 1.7; max-width: 520px; margin-bottom: 22px; }
    .cta-actions { display: flex; gap: 14px; flex-shrink: 0; align-items: center; }
    .btn-light { background: #fff; color: var(--primary); }
    .btn-light:hover { background: var(--accent); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2); }

    /* ===== Footer ===== */
    .site-footer { background: var(--bg-dark); color: #EAE6DA; padding: 70px 0 0; }
    .footer-top { display: flex; gap: 60px; padding-bottom: 48px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
    .footer-brand { flex: 1.2; }
    .footer-brand .logo { margin-bottom: 14px; }
    .footer-brand .logo-icon { background: var(--accent); color: var(--bg-dark); }
    .footer-brand .logo-text { color: #fff; }
    .footer-brand-about { font-size: 14px; color: rgba(234, 230, 218, 0.7); line-height: 1.7; margin-bottom: 18px; max-width: 380px; }
    .footer-contact { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13px; color: rgba(234, 230, 218, 0.6); }
    .footer-contact span { display: inline-flex; align-items: center; gap: 6px; }
    .footer-links { flex: 2; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .footer-links-col h4 { font-size: 14px; color: #fff; margin-bottom: 14px; font-weight: 600; }
    .footer-links-col a { display: flex; font-size: 14px; color: rgba(234, 230, 218, 0.6); padding: 5px 0; line-height: 1.6; transition: var(--transition-base); gap: 6px; align-items: center; }
    .footer-links-col a::before { content: '›'; color: var(--accent); opacity: 0.5; font-size: 14px; }
    .footer-links-col a:hover { color: var(--accent); padding-left: 6px; }
    .footer-bottom { padding: 24px 0 28px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(234, 230, 218, 0.5); }
    .footer-bottom a { color: rgba(234, 230, 218, 0.8); }
    .footer-bottom a:hover { color: var(--accent); }

    /* ===== Modal ===== */
    .modal-overlay {
      position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(12, 43, 40, 0.6);
      backdrop-filter: blur(4px); z-index: 3000; display: none; align-items: center; justify-content: center; padding: 16px;
    }
    .modal-overlay.show { display: flex; }
    .modal-box {
      max-width: 520px; width: 100%; max-height: 85vh; overflow-y: auto;
      background: #FBF9F4; border-radius: 20px; box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
      padding: 36px 36px 30px;
      position: relative;
      animation: modalIn 0.35s ease;
    }
    @keyframes modalIn { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
    .modal-close { position: absolute; top: 16px; right: 16px; width: 40px; height: 40px; border-radius: 50%; background: var(--bg); color: var(--text); display: flex; align-items: center; justify-content: center; transition: var(--transition-base); }
    .modal-close:hover { background: var(--primary); color: #fff; }
    .modal-box h3 { font-size: 20px; margin-bottom: 8px; }
    .modal-box .modal-sub { font-size: 13px; color: var(--text-light); margin-bottom: 24px; }
    .form-group { margin-bottom: 18px; }
    .form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
    .form-group label .required { color: var(--error); }
    .form-group input, .form-group select, .form-group textarea { width: 100%; height: 44px; border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; padding: 0 14px; font-size: 14px; color: var(--text); transition: var(--transition-base); }
    .form-group textarea { height: 80px; padding: 10px 14px; resize: vertical; }
    .form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px rgba(15, 107, 92, 0.15); }
    .modal-submit { width: 100%; height: 46px; background: var(--primary); color: #fff; border: none; border-radius: var(--radius-md); font-size: 15px; font-weight: 600; display: flex; align-items: center; justify-content: center; gap: 10px; transition: var(--transition-base); }
    .modal-submit:hover { background: var(--primary-dark); }
    .modal-privacy { margin-top: 16px; display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-lighter); background: #F0EEE8; border-radius: var(--radius-pill); padding: 8px 16px; }
    .modal-privacy i { color: var(--primary); }
    .form-note { display: none; background: #E8F5EE; color: var(--success); font-size: 14px; padding: 14px 16px; border-radius: var(--radius-md); margin-top: 16px; text-align: center; }

    /* ===== Focus Accessibility ===== */
    a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid rgba(15, 107, 92, 0.4); outline-offset: 2px; }

    /* ===== Responsive ===== */
    @media screen and (max-width: 1100px) {
      .container { padding: 0 20px; }
      .hero-visual { flex-basis: 320px; }
      .hero-text-wrap h1 { font-size: 34px; }
      .cat-cards-grid { grid-template-columns: repeat(2, 1fr); }
      .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
      .footer-top { flex-direction: column; gap: 40px; }
      .footer-links { grid-template-columns: repeat(2, 1fr); }
    }
    @media screen and (max-width: 767px) {
      .section-padding { padding: var(--spacing-section-mobile) 0; }
      .header-top { height: 56px; }
      .search-box { display: none; }
      .menu-toggle { display: flex; }
      .header-bottom { display: none; }
      .mobile-drawer { display: flex; }
      .category-hero { padding: 48px 0; }
      .category-hero .container { flex-direction: column; gap: 30px; }
      .hero-text-wrap h1 { font-size: 30px; }
      .hero-text-wrap .hero-desc { font-size: 15px; }
      .hero-visual { flex: 1 0 auto; width: 100%; border-radius: var(--radius-md); }
      .hero-visual img { height: 200px; }
      .hero-cta { flex-direction: column; width: 100%; }
      .btn-primary, .btn-outline-light { width: 100%; padding: 13px 24px; }
      .section-header { flex-direction: column; align-items: flex-start; gap: 10px; margin-bottom: 28px; }
      .section-title-wrap h2 { font-size: 24px; }
      .cat-cards-grid { grid-template-columns: 1fr; }
      .data-band h2 { font-size: 22px; }
      .stat-item .stat-number { font-size: 32px; }
      .info-grid { grid-template-columns: 1fr; }
      .news-item { flex-direction: column; gap: 8px; padding: 16px 0; }
      .news-date { width: auto; display: flex; align-items: center; gap: 6px; }
      .news-date .day { font-size: 14px; display: inline-block; }
      .timeline-wrap { padding: 48px 0; }
      .timeline { padding-left: 30px; }
      .timeline-item h3 { font-size: 17px; }
      .cta-banner { padding: 48px 0; }
      .cta-inner { flex-direction: column; align-items: flex-start; gap: 20px; }
      .cta-text h2 { font-size: 24px; }
      .cta-actions { width: 100%; flex-direction: column; gap: 10px; }
      .btn-light { width: 100%; padding: 12px 20px; }
      .faq-wrap { padding: 48px 0; }
      .footer-bottom { flex-direction: column; text-align: center; }
      .modal-box { padding: 28px 20px 22px; }
      .hero-badges { display: none; }
    }
    @media screen and (min-width: 768px) and (max-width: 1099px) {
      .hero-visual { flex-basis: 0; }
      .header-bottom .nav-side-links { display: none; }
    }
    @media (prefers-reduced-motion: reduce) {
      * { animation: none !important; transition-duration: 0.01ms !important; }
    }

/* roulang page: article */
:root {
    --primary: #0F6B5C;
    --primary-dark: #0A5A4D;
    --primary-light: #E6F2EF;
    --accent: #E8A33C;
    --accent-dark: #D9932F;
    --bg: #F7F6F2;
    --white: #FFFFFF;
    --text: #242B29;
    --text-light: #5F6A67;
    --text-muted: #8A9491;
    --border: #E7E4DC;
    --dark: #0C2B28;
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 8px;
    --radius-pill: 999px;
    --shadow-sm: 0 1px 2px rgba(20,30,28,0.04);
    --shadow: 0 1px 2px rgba(20,30,28,0.04), 0 8px 24px rgba(20,30,28,0.06);
    --shadow-lg: 0 8px 30px rgba(20,30,28,0.12);
    --container: 1200px;
    --font: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font-family: inherit; font-size: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid rgba(15,107,92,0.35); outline-offset: 2px; border-radius: 4px; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.97); border-bottom: 1px solid var(--border); backdrop-filter: blur(8px); }
.header-inner { display: flex; flex-direction: column; }
.header-top { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon { width: 36px; height: 36px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 700; }
.logo-text { font-size: 20px; font-weight: 700; color: var(--text); letter-spacing: 0.5px; }
.header-search { flex: 1; max-width: 280px; display: flex; align-items: center; height: 38px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-pill); padding: 0 6px 0 16px; transition: border-color .2s; }
.header-search:focus-within { border-color: var(--primary); background: #fff; }
.header-search input { flex: 1; border: none; outline: none; background: transparent; font-size: 14px; color: var(--text); }
.header-search input::placeholder { color: var(--text-muted); }
.search-btn { width: 32px; height: 32px; border: none; background: var(--primary); border-radius: 50%; color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: background .2s; }
.search-btn:hover { background: var(--primary-dark); }
.search-btn svg { width: 14px; height: 14px; }
.nav-toggle { display: none; width: 40px; height: 40px; border: none; background: transparent; cursor: pointer; flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: all .3s; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.channel-nav { display: flex; align-items: center; height: 52px; gap: 4px; border-top: 1px solid var(--border); }
.channel-nav a { position: relative; padding: 8px 12px; font-size: 15px; color: var(--text); border-radius: 6px; transition: color .2s; }
.channel-nav a::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 2px; border-radius: 2px; background: var(--primary); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.channel-nav a:hover { color: var(--primary); }
.channel-nav a:hover::after { transform: scaleX(1); }
.channel-nav a.current { color: var(--primary); font-weight: 600; }
.channel-nav a.current::after { transform: scaleX(1); }
.nav-divider { width: 1px; height: 16px; background: var(--border); margin: 0 6px; }

.breadcrumb-wrap { background: var(--white); border-bottom: 1px solid var(--border); padding: 12px 0; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); flex-wrap: wrap; }
.breadcrumb a { color: var(--text-light); transition: color .2s; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .current { color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 320px; }
.breadcrumb-sep { color: #C4C0B8; }

.article-page { padding-bottom: 80px; min-height: 60vh; }
.article-detail { max-width: 820px; margin: 0 auto; padding: 48px 32px 0; }
.article-cat-badge { display: inline-block; background: var(--primary-light); color: var(--primary); font-size: 13px; font-weight: 600; padding: 4px 14px; border-radius: var(--radius-pill); margin-bottom: 16px; }
.article-header h1 { font-size: 36px; line-height: 1.3; margin-bottom: 16px; color: var(--text); font-weight: 700; }
.article-meta { display: flex; align-items: center; gap: 12px; color: var(--text-light); font-size: 14px; flex-wrap: wrap; }
.meta-dot { width: 3px; height: 3px; border-radius: 50%; background: #C4C0B8; }

.article-body { margin-top: 36px; font-size: 16px; line-height: 1.85; color: #333; }
.article-body > *:first-child { margin-top: 0; }
.article-body p { margin-bottom: 24px; }
.article-body h2 { font-size: 28px; margin: 48px 0 14px; padding-left: 14px; border-left: 4px solid var(--primary); line-height: 1.3; }
.article-body h3 { font-size: 20px; margin: 32px 0 10px; }
.article-body ul { margin: 0 0 24px; padding-left: 20px; }
.article-body ul li { margin-bottom: 8px; }
.article-body ul li::marker { color: var(--primary); }
.article-body ol { margin: 0 0 24px; padding-left: 20px; }
.article-body ol li::marker { color: var(--accent); font-weight: 600; }
.article-body blockquote { background: #F0EDE6; border-left: 4px solid var(--primary); padding: 18px 20px; border-radius: 0 12px 12px 0; margin: 24px 0; color: #4A5552; font-size: 15px; }
.article-body img { border-radius: 12px; border: 1px solid var(--border); margin: 24px auto 8px; width: auto; max-width: 100%; height: auto; }
.article-body figcaption, .article-body .img-caption { font-size: 13px; color: var(--text-muted); text-align: center; margin-bottom: 24px; }
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
.article-body a:hover { color: var(--accent); }
.article-body pre { background: var(--dark); color: #E8E4DA; padding: 20px 24px; border-radius: 12px; overflow-x: auto; font-size: 14px; font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; line-height: 1.7; margin-bottom: 24px; }
.article-body code { font-family: "SFMono-Regular", Consolas, monospace; background: #EFEDE7; padding: 2px 6px; border-radius: 4px; font-size: 14px; }
.article-body pre code { background: transparent; padding: 0; border-radius: 0; color: inherit; }
.article-body table { width: 100%; border-collapse: collapse; margin-bottom: 24px; font-size: 14px; }
.article-body th { background: var(--primary-light); color: var(--primary-dark); text-align: left; }
.article-body th, .article-body td { padding: 12px 16px; border-bottom: 1px solid var(--border); }

.article-footer { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--border); }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.tag { background: var(--primary-light); color: var(--primary); font-size: 13px; padding: 6px 16px; border-radius: var(--radius-pill); font-weight: 500; }
.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.article-nav-link { display: flex; align-items: center; gap: 16px; padding: 20px 24px; background: var(--white); border: 1px solid var(--border); border-radius: 12px; transition: all .2s; }
.article-nav-link:first-child { justify-content: flex-start; }
.article-nav-link:last-child { justify-content: flex-end; text-align: right; }
.article-nav-link:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-2px); }
.article-nav-arrow { font-size: 22px; color: var(--primary); line-height: 1; }
.article-nav-label { display: block; font-size: 13px; color: var(--text-muted); }
.article-nav-text { display: block; font-size: 15px; font-weight: 600; color: var(--text); margin-top: 4px; }

.article-missing { max-width: 520px; margin: 80px auto; text-align: center; padding: 60px 40px; background: var(--white); border-radius: 20px; box-shadow: var(--shadow); }
.missing-icon { width: 64px; height: 64px; border-radius: 50%; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 30px; font-weight: 700; margin: 0 auto 20px; }
.article-missing h1 { font-size: 28px; margin-bottom: 12px; }
.article-missing p { color: var(--text-light); margin-bottom: 24px; font-size: 15px; }

.related-section { background: var(--white); padding: 72px 0; margin-top: 64px; }
.section-head h2 { font-size: 30px; margin-bottom: 8px; }
.section-head .section-sub { color: var(--text-light); font-size: 15px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; }
.related-card { background: #FBFAF7; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: all .25s; }
.related-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(15,107,92,0.3); }
.related-card img { width: 100%; height: 180px; object-fit: cover; }
.related-card-body { padding: 20px; }
.related-cat { display: inline-block; font-size: 12px; color: var(--primary); background: var(--primary-light); padding: 3px 12px; border-radius: var(--radius-pill); margin-bottom: 10px; font-weight: 500; }
.related-card-body h3 { font-size: 16px; line-height: 1.5; font-weight: 600; color: var(--text); }

.cta-section { padding: 72px 0; }
.cta-inner { background: linear-gradient(135deg, rgba(15,107,92,0.94), rgba(12,43,40,0.96)), url('/assets/images/backpic/back-1.png') center/cover no-repeat; border-radius: 24px; padding: 56px 48px; text-align: center; color: #fff; }
.cta-inner h2 { font-size: 30px; margin-bottom: 12px; color: #fff; }
.cta-inner p { color: rgba(255,255,255,0.75); font-size: 16px; margin-bottom: 28px; max-width: 600px; margin-left: auto; margin-right: auto; }
.btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; height: 46px; padding: 0 30px; border-radius: 10px; font-size: 15px; font-weight: 600; cursor: pointer; transition: all .2s; border: none; }
.btn-primary { background: var(--accent); color: #3A2C12; }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(232,163,60,0.3); }
.btn-accent { background: var(--accent); color: #3A2C12; }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(232,163,60,0.3); }
.btn-outline-light { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.45); }
.btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

.site-footer { background: var(--dark); color: #EAE6DA; padding-top: 64px; }
.site-footer .container { max-width: var(--container); }
.footer-top { display: grid; grid-template-columns: 1.2fr 2fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.12); }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-icon { background: var(--accent); color: #2B2210; }
.footer-brand .logo-text { color: #fff; }
.footer-brand-about { font-size: 14px; line-height: 1.8; color: rgba(234,230,218,0.6); margin-bottom: 20px; max-width: 380px; }
.footer-contact { display: flex; gap: 24px; font-size: 13px; color: rgba(234,230,218,0.5); }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.footer-links-col h4 { font-size: 14px; color: #fff; margin-bottom: 16px; font-weight: 600; }
.footer-links-col a { display: block; font-size: 14px; color: rgba(234,230,218,0.65); margin-bottom: 10px; transition: color .2s; }
.footer-links-col a:hover { color: var(--accent); }
.footer-bottom { padding: 20px 0; text-align: center; font-size: 13px; color: rgba(234,230,218,0.4); }

@media (max-width: 1099px) {
    .header-inner { gap: 0; }
    .header-top { flex-wrap: wrap; padding: 10px 0; height: auto; }
    .header-search { display: none; }
    .nav-toggle { display: flex; }
    .channel-nav { display: none; width: 100%; flex-direction: column; padding: 8px 0 16px; border-top: none; }
    .channel-nav.open { display: flex; }
    .channel-nav a { width: 100%; padding: 12px 8px; border-radius: 8px; font-size: 16px; }
    .channel-nav a:hover { background: var(--primary-light); }
    .channel-nav a.current { background: var(--primary-light); }
    .channel-nav a.current::after { display: none; }
    .nav-divider { display: none; }
    .footer-top { grid-template-columns: 1fr; gap: 32px; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .article-header h1 { font-size: 32px; }
}

@media (max-width: 767px) {
    .container { padding: 0 16px; }
    .article-detail { padding: 32px 16px 0; }
    .article-header h1 { font-size: 26px; }
    .article-body h2 { font-size: 22px; }
    .article-body h3 { font-size: 18px; }
    .article-body { font-size: 15px; }
    .article-nav { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: 1fr; }
    .cta-section { padding: 48px 0; }
    .cta-inner { padding: 40px 20px; border-radius: 16px; }
    .cta-inner h2 { font-size: 24px; }
    .btn-group { flex-direction: column; }
    .btn { width: 100%; }
    .footer-top { padding-bottom: 32px; }
    .footer-links { grid-template-columns: 1fr 1fr; gap: 16px; }
    .footer-contact { flex-direction: column; gap: 8px; }
}

/* roulang page: category2 */
:root {
  --primary: #0F6B5C;
  --primary-dark: #0B4E43;
  --primary-light: rgba(15, 107, 92, 0.10);
  --accent: #E8A33C;
  --accent-dark: #D9932F;
  --bg: #F7F5F0;
  --card: #FFFFFF;
  --text: #242B29;
  --text-soft: #4E5A56;
  --text-light: #79837F;
  --border: #E7E4DC;
  --deep: #0C2B28;
  --deep-light: #14453F;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(20, 30, 28, 0.04), 0 8px 24px rgba(20, 30, 28, 0.06);
  --shadow-hover: 0 4px 12px rgba(20, 30, 28, 0.08), 0 16px 36px rgba(20, 30, 28, 0.10);
  --font: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section[id] { scroll-margin-top: 120px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: 0 1px 12px rgba(20, 30, 28, 0.06); }
.site-header .container { position: relative; }
.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 60px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700;
}
.logo-text {
  font-size: 20px;
  font-weight: 650;
  color: var(--text);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.header-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  height: 40px;
  padding: 0 14px;
  width: 220px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.header-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 107, 92, 0.12);
}
.header-search svg { flex-shrink: 0; color: var(--text-light); }
.header-search input {
  border: none; outline: none; background: transparent;
  flex: 1; font-size: 14px; color: var(--text); width: 100%;
}
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 44px; height: 44px;
  border-radius: 10px;
  transition: background .2s ease;
}
.menu-toggle:hover { background: var(--primary-light); }
.menu-toggle span {
  width: 20px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.menu-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.channel-nav {
  height: 52px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-top: 1px solid var(--border);
}
.channel-nav a {
  position: relative;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-soft);
  padding: 6px 14px;
  border-radius: 999px;
  transition: color .2s ease, background .2s ease;
}
.channel-nav a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -2px;
  transform: translateX(-50%) scaleX(0);
  width: 20px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform .2s ease;
}
.channel-nav a:hover, .channel-nav a.current { color: var(--primary); background: var(--primary-light); }
.channel-nav a:hover::after, .channel-nav a.current::after { transform: translateX(-50%) scaleX(1); }
.nav-divider { width: 1px; height: 16px; background: var(--border); margin: 0 6px; }

/* Hero */
.guide-hero {
  background: linear-gradient(135deg, #F0F5F2 0%, #E6EFEA 100%);
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}
.hero-copy .page-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(15, 107, 92, 0.10);
  border-radius: 999px;
  padding: 6px 16px;
}
.hero-copy h1 {
  font-size: 42px;
  line-height: 1.25;
  color: var(--text);
  margin: 16px 0 14px;
  font-weight: 700;
}
.hero-copy .lead {
  font-size: 17px;
  color: var(--text-soft);
  max-width: 560px;
  margin-bottom: 28px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-actions .btn { min-width: 140px; }
.hero-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: var(--shadow-hover);
  border: 1px solid rgba(15, 107, 92, 0.15);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border: 1.5px solid transparent;
  transition: background .25s ease, transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15, 107, 92, 0.25);
}
.btn-primary:active { transform: scale(0.98); }
.btn-primary:focus-visible { outline: 3px solid rgba(15, 107, 92, 0.35); outline-offset: 2px; }
.btn-outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary-light); border-color: var(--primary-dark); }
.btn-outline:active { transform: scale(0.98); }

/* Anchor bar */
.anchor-bar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 113px;
  z-index: 50;
}
.anchor-bar .container {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-top: 12px;
  padding-bottom: 12px;
  scrollbar-width: none;
}
.anchor-bar .container::-webkit-scrollbar { display: none; }
.anchor-bar a {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--text-soft);
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.anchor-bar a:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--primary-light);
}

/* Overview */
.overview { padding: 60px 0 20px; }
.section-head { max-width: 760px; margin-bottom: 36px; }
.section-head .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 12px;
}
.section-head h2 { font-size: 32px; line-height: 1.3; color: var(--text); }
.section-head p { margin-top: 12px; color: var(--text-soft); font-size: 15px; }
.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.overview-item {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  box-shadow: var(--shadow);
  border: 1px solid transparent;
  transition: box-shadow .25s ease, transform .25s ease;
}
.overview-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.overview-item .num {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 8px;
}
.overview-item h3 { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.overview-item p { font-size: 14px; color: var(--text-light); line-height: 1.6; }

/* Alt blocks */
.alt-blocks { padding: 70px 0; background: #fff; margin-top: 40px; }
.alt-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 80px;
}
.alt-block:last-child { margin-bottom: 0; }
.alt-block.reverse .alt-media { order: 2; }
.alt-block.reverse .alt-content { order: 1; }
.alt-media img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.alt-content .tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 14px;
}
.alt-content h2 { font-size: 30px; line-height: 1.3; color: var(--text); margin-bottom: 16px; }
.alt-content p { color: var(--text-soft); font-size: 15px; margin-bottom: 14px; }
.alt-list { list-style: none; margin: 20px 0; }
.alt-list li {
  position: relative;
  padding: 8px 0 8px 28px;
  font-size: 14px;
  color: var(--text-soft);
}
.alt-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 17px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.alt-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  transition: gap .25s ease;
}
.alt-link:hover { gap: 10px; }

/* Steps */
.steps-section {
  background: var(--deep);
  padding: 70px 0;
  color: rgba(234, 230, 218, 0.75);
}
.steps-section .section-head h2 { color: #fff; }
.steps-section .section-head p { color: rgba(234, 230, 218, 0.65); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 44px;
  counter-reset: step;
}
.step-item {
  position: relative;
  padding-top: 44px;
  border-top: 2px solid rgba(255, 255, 255, 0.18);
  transition: border-color .3s ease;
}
.step-item:hover { border-color: var(--accent); }
.step-item::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 8px; left: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}
.step-item h3 { font-size: 17px; font-weight: 600; color: #fff; margin-bottom: 8px; }
.step-item p { font-size: 14px; line-height: 1.7; }

/* Tips note */
.tips-note { padding: 50px 0 0; }
.tips-inner {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: 14px;
  padding: 24px 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.tips-inner .icon { flex-shrink: 0; color: var(--primary); margin-top: 2px; }
.tips-inner h3 { font-size: 17px; font-weight: 600; color: var(--primary-dark); margin-bottom: 6px; }
.tips-inner p { font-size: 14px; color: var(--text-soft); line-height: 1.7; }

/* FAQ */
.faq-section { padding: 70px 0 20px; }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 20px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: color .2s ease;
}
.faq-q:hover { color: var(--primary); }
.faq-q .icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  transition: background .25s ease, color .25s ease, transform .25s ease;
}
.faq-item.open .faq-q { color: var(--primary); }
.faq-item.open .faq-q .icon { background: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.8;
}
.faq-item.open .faq-a { max-height: 400px; padding: 0 44px 20px 0; }

/* CTA */
.cta-banner {
  padding: 60px 0;
  background: linear-gradient(120deg, #F6E7C9 0%, #FAF4E6 50%, #EAF1EE 100%);
  margin-top: 40px;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.cta-copy h2 { font-size: 28px; color: var(--primary-dark); line-height: 1.3; }
.cta-copy p { margin-top: 8px; color: var(--text-soft); font-size: 15px; max-width: 560px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; flex-shrink: 0; }

/* Footer */
.site-footer { background: var(--deep); color: rgba(234, 230, 218, 0.8); margin-top: 0; }
.footer-top {
  display: grid;
  grid-template-columns: 1.1fr 2fr;
  gap: 48px;
  padding: 56px 0 40px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand .logo-icon { background: var(--accent); color: var(--deep); }
.footer-brand .logo-text { color: #fff; }
.footer-brand-about { font-size: 14px; line-height: 1.8; max-width: 340px; margin-bottom: 18px; }
.footer-contact { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: rgba(234, 230, 218, 0.6); }
.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.footer-links-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}
.footer-links-col a {
  display: block;
  font-size: 14px;
  line-height: 2;
  color: rgba(234, 230, 218, 0.72);
  transition: color .2s ease;
}
.footer-links-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(234, 230, 218, 0.55);
  text-align: center;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(12, 43, 40, 0.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: #FBF9F4;
  border-radius: 20px;
  max-width: 520px;
  width: 100%;
  padding: 36px 32px 28px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.22);
  position: relative;
  max-height: 85vh;
  overflow-y: auto;
}
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: #EAE6DA;
  color: var(--text);
  font-size: 22px;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
  transition: background .25s ease, color .25s ease;
}
.modal-close:hover { background: var(--primary); color: #fff; }
.modal h3 { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.modal .modal-sub { font-size: 14px; color: var(--text-light); margin-bottom: 8px; }
.modal form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin: 14px 0 6px;
}
.modal form input,
.modal form textarea {
  width: 100%;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  padding: 0 14px;
  font-size: 14px;
  color: var(--text);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.modal form textarea { height: 96px; padding: 10px 14px; resize: vertical; }
.modal form input:focus,
.modal form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 107, 92, 0.14);
}
.modal .btn { width: 100%; margin-top: 18px; border: none; }
.privacy-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-light);
}
.success-state { text-align: center; padding: 24px 0; }
.success-state .icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: #E6F4EE;
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
}
.success-state h4 { font-size: 18px; color: var(--text); margin-bottom: 6px; }
.success-state p { font-size: 14px; color: var(--text-light); }

/* Responsive */
@media (max-width: 1099px) {
  .hero-inner { gap: 32px; }
  .hero-copy h1 { font-size: 36px; }
  .overview-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .brand-row { height: 56px; }
  .header-search { display: none; }
  .menu-toggle { display: flex; }
  .channel-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    border-top: 1px solid var(--border);
    box-shadow: 0 16px 32px rgba(20, 30, 28, 0.10);
    padding: 8px 20px 16px;
    height: auto;
  }
  .channel-nav.open { display: flex; }
  .channel-nav a {
    padding: 12px 4px;
    border-bottom: 1px solid var(--bg);
    font-size: 15px;
    border-radius: 0;
    width: 100%;
  }
  .channel-nav a.current { background: none; }
  .nav-divider { display: none; }
  .guide-hero { padding: 40px 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 24px; }
  .hero-copy h1 { font-size: 30px; }
  .hero-copy .lead { font-size: 15px; }
  .hero-actions .btn { width: 100%; }
  .hero-media img { height: 220px; }
  .anchor-bar { position: static; top: auto; }
  .anchor-bar .container { padding-top: 10px; padding-bottom: 10px; }
  .section-head h2 { font-size: 24px; }
  .section-head p { font-size: 14px; }
  .overview { padding: 48px 0 10px; }
  .overview-grid { grid-template-columns: 1fr; gap: 14px; }
  .overview-item p { font-size: 13px; }
  .alt-blocks { padding: 48px 0; margin-top: 24px; }
  .alt-block { grid-template-columns: 1fr; gap: 24px; margin-bottom: 48px; }
  .alt-block.reverse .alt-media { order: 1; }
  .alt-block.reverse .alt-content { order: 2; }
  .alt-media img { height: 220px; }
  .alt-content h2 { font-size: 24px; }
  .alt-content p { font-size: 14px; }
  .alt-list li { font-size: 13px; }
  .steps-section { padding: 48px 0; }
  .steps-grid { grid-template-columns: 1fr; gap: 24px; }
  .step-item p { font-size: 13px; }
  .tips-note { padding: 32px 0 0; }
  .tips-inner { flex-direction: column; padding: 20px; }
  .tips-inner p { font-size: 13px; }
  .faq-section { padding: 48px 0 10px; }
  .faq-q { font-size: 15px; padding: 16px 0; }
  .faq-item.open .faq-a { padding: 0 24px 16px 0; }
  .cta-banner { padding: 40px 0; margin-top: 24px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .cta-copy h2 { font-size: 24px; }
  .cta-actions .btn { width: 100%; }
  .footer-top { grid-template-columns: 1fr; padding: 40px 0 24px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer-links-col a { font-size: 13px; }
  .modal { padding: 32px 20px 24px; }
}

/* roulang page: category3 */
:root {
  --primary: #0F6B5C;
  --primary-dark: #0B5448;
  --primary-light: rgba(15, 107, 92, 0.10);
  --accent: #E8A33C;
  --accent-dark: #D9932F;
  --bg: #F7F6F2;
  --white: #FFFFFF;
  --text: #242B29;
  --text-light: #6B7371;
  --border: #E7E4DC;
  --deep: #0C2B28;
  --deep-light: #133B36;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(20, 30, 28, 0.04), 0 8px 24px rgba(20, 30, 28, 0.06);
  --shadow-lg: 0 8px 30px rgba(20, 30, 28, 0.10);
  --container: 1200px;
  --header-h: 108px;
  --transition: all 0.25s ease;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 15px;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button, input { font-family: inherit; font-size: inherit; border: none; background: none; outline: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.site-header {
  background: rgba(255, 255, 255, 0.95);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
  border-bottom: 1px solid var(--border);
}
.site-header.scrolled { box-shadow: 0 2px 12px rgba(20, 30, 28, 0.06); }
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 58px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  width: 36px; height: 36px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700;
}
.logo-text { font-size: 20px; font-weight: 650; color: var(--text); letter-spacing: 0.5px; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.search-box {
  display: flex; align-items: center;
  background: #F0EEE8;
  border-radius: 999px;
  padding: 0 14px;
  height: 38px;
  width: 220px;
  border: 1px solid transparent;
  transition: var(--transition);
}
.search-box:focus-within { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(15, 107, 92, 0.12); }
.search-box input { flex: 1; background: transparent; font-size: 13px; color: var(--text); }
.search-box input::placeholder { color: #9AA3A0; }
.search-box button { color: var(--primary); cursor: pointer; font-size: 14px; padding: 4px; }
.menu-toggle { display: none; width: 40px; height: 40px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; cursor: pointer; border-radius: 8px; }
.menu-toggle span { width: 20px; height: 2px; background: var(--text); transition: var(--transition); }
.header-channels { border-top: 1px solid var(--border); height: 50px; display: flex; align-items: center; }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.channel-nav { display: flex; align-items: center; gap: 6px; height: 100%; overflow-x: auto; scrollbar-width: none; }
.channel-nav::-webkit-scrollbar { display: none; }
.channel-nav a {
  font-size: 14px;
  color: var(--text-light);
  padding: 0 10px;
  height: 100%;
  display: flex; align-items: center;
  position: relative;
  white-space: nowrap;
  transition: var(--transition);
  font-weight: 500;
}
.channel-nav a:hover { color: var(--primary); }
.channel-nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.22s;
}
.channel-nav a:hover::after { width: 100%; }
.channel-nav a.current { color: var(--primary); font-weight: 600; }
.channel-nav a.current::after { width: 100%; }
.nav-divider { width: 1px; height: 16px; background: var(--border); margin: 0 6px; flex-shrink: 0; }
.nav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 6px 16px;
  border-radius: 999px;
  font-weight: 500;
  transition: var(--transition);
  flex-shrink: 0;
}
.nav-cta:hover { background: rgba(15, 107, 92, 0.18); }

/* ===== Hero ===== */
.page-hero {
  position: relative;
  background: linear-gradient(100deg, rgba(12, 43, 40, 0.92) 0%, rgba(12, 43, 40, 0.68) 60%, rgba(15, 107, 92, 0.55) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding: 72px 0;
  color: #fff;
  min-height: 420px;
  display: flex;
  align-items: center;
}
.page-hero .hero-inner { display: flex; align-items: center; gap: 48px; }
.page-hero .hero-text { flex: 1; }
.page-hero .hero-media { flex: 0 0 420px; }
.hero-media img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px;
  letter-spacing: 1px;
  background: rgba(232, 163, 60, 0.2);
  padding: 6px 14px;
  border-radius: 999px;
  color: #F5D19A;
  margin-bottom: 18px;
  border: 1px solid rgba(232, 163, 60, 0.25);
}
.page-hero h1 { font-size: 40px; font-weight: 700; line-height: 1.25; margin-bottom: 14px; }
.page-hero .hero-desc { font-size: 16px; color: rgba(255, 255, 255, 0.85); max-width: 520px; line-height: 1.8; margin-bottom: 26px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 46px;
  padding: 0 26px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1.5px solid transparent;
}
.btn-primary { background: var(--accent); color: #262016; }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(217, 147, 47, 0.3); }
.btn-primary:active { transform: scale(0.97); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.5); }
.btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); }
.btn-dark { background: var(--primary); color: #fff; }
.btn-dark:hover { background: var(--primary-dark); transform: translateY(-1px); }

/* ===== Section base ===== */
.section { padding: 76px 0; }
.section-deep { background: var(--deep); color: #fff; }
.section-white { background: #fff; }
.section-head { margin-bottom: 44px; }
.section-head .subtitle {
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}
.section-head h2 { font-size: 30px; font-weight: 700; line-height: 1.35; margin-bottom: 10px; }
.section-head p { color: var(--text-light); font-size: 15px; max-width: 620px; line-height: 1.8; }
.section-deep .section-head h2 { color: #fff; }
.section-deep .section-head p { color: rgba(255, 255, 255, 0.65); }
.section-deep .section-head .subtitle { color: var(--accent); }

/* ===== Timeline ===== */
.timeline-wrap { position: relative; }
.timeline-wrap::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(232, 163, 60, 0.25);
  transform: translateX(-50%);
}
.timeline-item {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 32px;
}
.timeline-item:nth-child(odd) { flex-direction: row; }
.timeline-item:nth-child(even) { flex-direction: row-reverse; }
.timeline-item .tl-date {
  flex: 0 0 50%;
  text-align: right;
  padding-right: 40px;
}
.timeline-item:nth-child(even) .tl-date { text-align: left; padding-left: 40px; padding-right: 0; }
.tl-date .date-num { font-size: 40px; font-weight: 700; color: var(--accent); line-height: 1.1; }
.tl-date .date-meta { font-size: 13px; color: rgba(255, 255, 255, 0.6); margin-top: 4px; }
.timeline-dot {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 14px; height: 14px;
  background: var(--accent);
  border-radius: 50%;
  border: 3px solid var(--deep);
  box-shadow: 0 0 0 3px rgba(232, 163, 60, 0.25);
  z-index: 1;
}
.timeline-item .tl-card {
  flex: 0 0 50%;
  padding-left: 40px;
}
.timeline-item:nth-child(even) .tl-card { padding-right: 40px; padding-left: 0; }
.tl-card .tl-card-inner {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(6px);
  transition: var(--transition);
}
.tl-card .tl-card-inner:hover { background: rgba(255, 255, 255, 0.09); border-color: rgba(232, 163, 60, 0.4); transform: translateY(-2px); }
.tl-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 4px; color: #fff; }
.tl-card .tl-tag { font-size: 12px; color: var(--accent); margin-bottom: 8px; display: inline-flex; align-items: center; gap: 4px; }
.tl-card p { font-size: 14px; color: rgba(255, 255, 255, 0.65); line-height: 1.7; }

/* ===== Feature blocks ===== */
.feature-block { display: flex; align-items: center; gap: 56px; margin-bottom: 64px; }
.feature-block:last-child { margin-bottom: 0; }
.feature-block.reverse { flex-direction: row-reverse; }
.feature-block .fb-media { flex: 1; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
.feature-block .fb-media img { width: 100%; height: 300px; object-fit: cover; transition: transform 0.4s; }
.feature-block .fb-media:hover img { transform: scale(1.02); }
.feature-block .fb-text { flex: 1; }
.feature-block .fb-text .fb-num { font-size: 14px; color: var(--accent); font-weight: 700; letter-spacing: 1px; margin-bottom: 8px; display: block; }
.feature-block .fb-text h3 { font-size: 24px; font-weight: 700; margin-bottom: 12px; line-height: 1.4; }
.feature-block .fb-text p { color: var(--text-light); line-height: 1.8; font-size: 15px; margin-bottom: 16px; }
.feature-block .fb-text ul li { position: relative; padding-left: 20px; margin-bottom: 8px; font-size: 14px; color: var(--text); }
.feature-block .fb-text ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

/* ===== City cards ===== */
.city-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.city-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.city-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}
.city-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.city-card:hover::before { opacity: 1; }
.city-card .city-icon { width: 52px; height: 52px; background: var(--primary-light); color: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 22px; margin: 0 auto 14px; }
.city-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.city-card p { font-size: 13px; color: var(--text-light); line-height: 1.6; }
.city-card .city-count { display: inline-block; margin-top: 12px; font-size: 12px; color: var(--accent-dark); background: rgba(232, 163, 60, 0.12); padding: 3px 12px; border-radius: 999px; font-weight: 500; }

/* ===== Steps ===== */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-card { text-align: center; padding: 32px 20px; position: relative; background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--border); transition: var(--transition); }
.step-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.step-num {
  width: 48px; height: 48px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700;
  margin: 0 auto 16px;
  position: relative;
  z-index: 1;
}
.step-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.step-card::after {
  content: "\f178";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  right: -16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 16px;
  z-index: 2;
}
.step-card:last-child::after { display: none; }

/* ===== Info bar ===== */
.info-bar {
  background: linear-gradient(120deg, #FAEED9, #FDF6EA);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid #F0DFC0;
  flex-wrap: wrap;
}
.info-bar .info-icon { font-size: 36px; color: var(--accent-dark); flex-shrink: 0; }
.info-bar .info-text { flex: 1; min-width: 240px; }
.info-bar .info-text h3 { font-size: 20px; font-weight: 700; margin-bottom: 4px; color: #43371F; }
.info-bar .info-text p { font-size: 14px; color: #7A6A4F; line-height: 1.7; }
.info-bar .info-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 4px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  gap: 16px;
  transition: var(--transition);
}
.faq-q .faq-icon {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-q:hover { color: var(--primary); }
.faq-item.active .faq-q { color: var(--primary); font-weight: 600; }
.faq-item.active .faq-icon { background: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-a { display: none; padding: 4px 4px 20px; font-size: 14px; color: var(--text-light); line-height: 1.8; }
.faq-item.active .faq-a { display: block; }

/* ===== CTA ===== */
.cta-section { background: var(--deep); position: relative; overflow: hidden; }
.cta-section::before {
  content: "";
  position: absolute;
  right: -80px; top: -80px;
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(232, 163, 60, 0.15), transparent 70%);
}
.cta-section::after {
  content: "";
  position: absolute;
  left: -60px; bottom: -60px;
  width: 180px; height: 180px;
  background: radial-gradient(circle, rgba(15, 107, 92, 0.35), transparent 70%);
}
.cta-inner { position: relative; z-index: 1; text-align: center; max-width: 680px; margin: 0 auto; }
.cta-inner h2 { font-size: 32px; font-weight: 700; color: #fff; margin-bottom: 14px; }
.cta-inner p { font-size: 16px; color: rgba(255, 255, 255, 0.7); margin-bottom: 30px; line-height: 1.8; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer { background: var(--deep); color: #EAE6DA; padding: 64px 0 0; }
.footer-top { display: flex; gap: 56px; padding-bottom: 48px; border-bottom: 1px solid rgba(255, 255, 255, 0.12); flex-wrap: wrap; }
.footer-brand { flex: 1.2; min-width: 260px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand .logo-icon { background: var(--accent); color: var(--deep); }
.footer-brand-about { font-size: 14px; color: rgba(255, 255, 255, 0.6); line-height: 1.8; margin-bottom: 18px; max-width: 360px; }
.footer-contact { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: rgba(255, 255, 255, 0.5); }
.footer-links { flex: 2; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.footer-links-col h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 16px; letter-spacing: 0.5px; }
.footer-links-col a { display: block; font-size: 14px; color: rgba(255, 255, 255, 0.55); line-height: 2; transition: var(--transition); }
.footer-links-col a:hover { color: var(--accent); }
.footer-bottom { padding: 22px 0; text-align: center; font-size: 13px; color: rgba(255, 255, 255, 0.4); }

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(12, 43, 40, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 16px;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: #FBF9F4;
  border-radius: 20px;
  width: 520px;
  max-width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  padding: 36px;
  position: relative;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: #F0EDE4;
  color: var(--text);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: var(--transition);
}
.modal-close:hover { background: var(--primary); color: #fff; }
.modal-box h3 { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.modal-box .modal-sub { font-size: 14px; color: var(--text-light); margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { font-size: 13px; font-weight: 500; margin-bottom: 6px; display: block; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  padding: 0 14px;
  font-size: 14px;
  color: var(--text);
  transition: var(--transition);
}
.form-group textarea { height: 90px; padding: 12px 14px; resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(15, 107, 92, 0.12); }
.modal-privacy {
  font-size: 12px;
  color: var(--text-light);
  background: #F0EEE7;
  border-radius: 999px;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
}
.modal-privacy i { color: var(--primary); }

/* ===== Responsive ===== */
@media (max-width: 1099px) {
  .city-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .header-channels { height: auto; padding: 8px 0; }
  .nav-wrap { flex-direction: column; align-items: flex-start; gap: 8px; }
  .page-hero { padding: 56px 0; }
  .page-hero .hero-media { flex-basis: 340px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .menu-toggle { display: flex; }
  .search-box { display: none; }
  .header-channels { width: 100%; }
  .nav-wrap { width: 100%; }
  .channel-nav {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    background: #fff;
    padding: 12px 0;
    width: 100%;
    height: auto;
    border-top: 1px solid var(--border);
  }
  .channel-nav.open { display: flex; }
  .channel-nav a { height: 44px; width: 100%; padding: 0 16px; }
  .channel-nav a::after { display: none; }
  .nav-divider { display: none; }
  .nav-cta { display: none; }
  .page-hero { padding: 44px 0; min-height: auto; }
  .page-hero h1 { font-size: 30px; }
  .hero-inner { flex-direction: column; gap: 28px; }
  .page-hero .hero-media { flex: none; width: 100%; }
  .hero-media img { height: 190px; }
  .section { padding: 48px 0; }
  .section-head h2 { font-size: 24px; }
  .timeline-wrap::before { left: 10px; }
  .timeline-item, .timeline-item:nth-child(even) { flex-direction: column; align-items: flex-start; padding-left: 30px; }
  .timeline-item .tl-date, .timeline-item:nth-child(even) .tl-date { flex: none; width: 100%; text-align: left; padding: 0; margin-bottom: 10px; }
  .timeline-item .tl-card, .timeline-item:nth-child(even) .tl-card { flex: none; width: 100%; padding: 0; }
  .tl-date .date-num { font-size: 30px; }
  .timeline-dot { left: 10px; transform: translate(-50%, -50%); }
  .feature-block, .feature-block.reverse { flex-direction: column; gap: 24px; }
  .feature-block .fb-media img { height: 200px; }
  .city-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-card::after { display: none; }
  .info-bar { padding: 28px 24px; align-items: flex-start; }
  .cta-inner h2 { font-size: 26px; }
  .footer-top { gap: 32px; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 24px; }
  .modal-box { padding: 28px 22px; }
}