/* roulang page: index */
:root{
  --primary:#0D3B2E;
  --primary-dark:#0B2E22;
  --primary-extra:#0A2A1F;
  --accent:#D9A441;
  --accent-soft:rgba(217,164,65,.12);
  --point:#A8C686;
  --point-soft:rgba(168,198,134,.18);
  --bg:#F7F5F1;
  --white:#FFFFFF;
  --text:#16261E;
  --text-2:#5B6B63;
  --text-3:#8A988F;
  --border:rgba(13,59,46,.10);
  --success:#2E7D5B;
  --warning:#C77D21;
  --danger:#B34141;
  --radius:12px;
  --radius-sm:8px;
  --shadow-sm:0 2px 8px rgba(13,59,46,.06);
  --shadow-hover:0 8px 24px rgba(13,59,46,.10);
  --shadow-accent:0 6px 16px rgba(217,164,65,.30);
  --shadow-modal:0 20px 60px rgba(0,0,0,.18);
  --container:1200px;
  --transition:.25s ease;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block;border:0}
button,input,select,textarea{font-family:inherit;font-size:14px;color:inherit}
button{cursor:pointer;border:none;background:none}
ul,ol{list-style:none}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:48px}
.section-title{font-size:34px;line-height:1.25;font-weight:700;color:var(--text)}
.section-sub{color:var(--text-2);font-size:15px;margin-top:8px;max-width:680px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;letter-spacing:.1em;
  color:var(--accent);text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--accent);display:inline-block}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;line-height:1;white-space:nowrap;
  transition:all var(--transition);
}
.btn svg{width:16px;height:16px;transition:transform var(--transition)}
.btn-accent{background:var(--accent);color:var(--text)}
.btn-accent:hover{background:var(--white);box-shadow:var(--shadow-accent);transform:translateY(-2px)}
.btn-accent:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--accent);color:var(--text);box-shadow:var(--shadow-accent);transform:translateY(-2px)}
.btn-outline{border:1px solid rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.02)}
.btn-outline:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.55);transform:translateY(-2px)}
.btn-block{width:100%}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;height:64px;
  background:rgba(247,245,241,.88);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(13,59,46,.06);
  transition:background var(--transition),box-shadow var(--transition);
}
.site-header.scrolled{background:rgba(247,245,241,.96);box-shadow:0 4px 20px rgba(13,59,46,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px;position:relative}

.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:44px;height:44px;border-radius:10px;background:var(--primary);
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.brand-mark::after{
  content:"";position:absolute;top:-8px;right:-8px;width:22px;height:22px;
  background:var(--accent);transform:rotate(45deg);border-radius:4px;
}
.brand-letters{font-family:"Inter","SF Pro Display","Helvetica Neue",Arial,sans-serif;font-size:18px;font-weight:800;color:var(--accent);letter-spacing:-.5px;position:relative;z-index:1}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:18px;font-weight:700;color:var(--text);letter-spacing:.02em}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.12em;font-weight:500}

.nav-links{display:flex;align-items:center;gap:30px}
.nav-link{
  font-size:15px;font-weight:500;color:#43554C;padding:6px 2px;
  border-bottom:2px solid transparent;transition:all var(--transition);
}
.nav-link:hover{color:var(--primary)}
.nav-link.active{color:var(--primary);border-bottom-color:var(--accent)}

.header-actions{display:flex;align-items:center;gap:12px}
.header-search{position:relative;display:flex;align-items:center}
.header-search .search-icon{position:absolute;left:12px;width:16px;height:16px;color:var(--text-3);pointer-events:none}
.header-search input{
  width:180px;height:40px;border:1px solid transparent;border-radius:10px;
  background:rgba(13,59,46,.06);padding:0 14px 0 38px;font-size:14px;
  color:var(--text);outline:none;transition:all .3s ease;
}
.header-search input::placeholder{color:var(--text-3)}
.header-search input:focus{width:260px;background:#fff;border-color:var(--accent);box-shadow:0 0 0 4px rgba(217,164,65,.15)}

.icon-btn{
  width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(13,59,46,.06);color:var(--primary);transition:all var(--transition);
}
.icon-btn:hover{background:rgba(13,59,46,.10);transform:translateY(-2px)}
.icon-btn svg{width:20px;height:20px}

.btn-header{height:40px;padding:0 20px;background:var(--primary);color:#fff;border-radius:var(--radius-sm);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:8px;transition:all var(--transition)}
.btn-header:hover{background:var(--accent);color:var(--text);box-shadow:var(--shadow-accent)}
.btn-header svg{width:15px;height:15px;transition:transform var(--transition)}
.btn-header:hover svg{transform:translateX(4px)}

.menu-toggle{display:none;width:40px;height:40px;border-radius:8px;background:rgba(13,59,46,.06);flex-direction:column;align-items:center;justify-content:center;gap:5px}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--primary);border-radius:2px;transition:all var(--transition)}
.search-toggle{display:none}

.mobile-menu{display:none}
.mobile-search{display:none}

/* Hero */
.hero{
  position:relative;color:#fff;
  background:
    linear-gradient(135deg, rgba(13,59,46,.94), rgba(11,46,34,.80)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  min-height:78vh;display:flex;align-items:center;padding:96px 0 80px;
}
.hero-grid{display:grid;grid-template-columns:55% 45%;gap:56px;align-items:center;width:100%}
.hero-content{max-width:620px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.12em;color:var(--accent);margin-bottom:20px;
}
.hero-eyebrow::before{content:"";width:24px;height:2px;background:var(--accent)}
.hero h1{
  font-size:48px;line-height:1.18;font-weight:700;margin-bottom:20px;
  color:#fff;letter-spacing:.01em;
}
.hero h1 span{color:var(--accent)}
.hero-sub{
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:32px;max-width:520px;
}
.hero-buttons{display:flex;flex-wrap:wrap;gap:16px}
.hero-metrics{
  display:flex;align-items:center;gap:0;margin-top:44px;
  border-top:1px solid rgba(255,255,255,.14);padding-top:28px;
}
.hero-metric{display:flex;flex-direction:column;padding:0 28px;position:relative}
.hero-metric:first-child{padding-left:0}
.hero-metric:not(:last-child)::after{
  content:"";position:absolute;right:0;top:8px;bottom:8px;width:1px;background:rgba(255,255,255,.14);
}
.hero-metric strong{font-size:24px;font-weight:800;color:#fff;line-height:1.2}
.hero-metric span{font-size:12px;color:rgba(255,255,255,.62);margin-top:4px}

.hero-visual{position:relative}
.hero-figure{
  border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.12);
  box-shadow:0 24px 60px rgba(0,0,0,.22);transform:rotate(1deg);
}
.hero-figure img{width:100%;height:auto;object-fit:cover;aspect-ratio:4/3}
.hero-float-card{
  position:absolute;background:rgba(247,245,241,.92);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-radius:12px;padding:12px 16px;box-shadow:0 12px 28px rgba(0,0,0,.14);
  display:flex;flex-direction:column;line-height:1.4;animation:floatY 4s ease-in-out infinite;
}
.hero-float-card strong{font-size:18px;color:var(--primary);font-weight:800}
.hero-float-card span{font-size:12px;color:var(--text-2)}
.hero-float-card.card-1{left:-22px;bottom:24px}
.hero-float-card.card-2{right:-14px;top:18px;animation-delay:2s}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* Pain cards */
.pain-section{background:var(--bg)}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pain-card{
  background:var(--white);border:1px solid rgba(13,59,46,.06);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow-sm);transition:all var(--transition);position:relative;overflow:hidden;
}
.pain-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);opacity:0;transition:opacity var(--transition)}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(13,59,46,.16)}
.pain-card:hover::before{opacity:1}
.pain-icon{
  width:44px;height:44px;border-radius:var(--radius-sm);background:rgba(13,59,46,.07);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.pain-icon svg{width:22px;height:22px;stroke:var(--primary);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.pain-card h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:10px}
.pain-card p{font-size:14px;line-height:1.7;color:var(--text-2)}

/* Solution dark section */
.solution-section{background:var(--primary-dark);padding:96px 0;color:#fff}
.solution-section .section-title{color:#fff}
.solution-section .section-sub{color:rgba(255,255,255,.62)}
.solution-section .eyebrow{color:var(--accent)}
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.solution-card{
  background:var(--white);border-radius:var(--radius);padding:30px 26px;color:var(--text);
  display:flex;flex-direction:column;box-shadow:0 8px 28px rgba(0,0,0,.10);
  transition:all var(--transition);
}
.solution-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.16)}
.solution-card:hover .learn-more svg{transform:translateX(4px)}
.solution-badge{
  display:inline-flex;align-items:center;gap:6px;width:fit-content;
  background:var(--accent-soft);color:#9A6F1A;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:999px;letter-spacing:.06em;margin-bottom:18px;
}
.solution-card h3{font-size:20px;font-weight:700;margin-bottom:10px;color:var(--text)}
.solution-card p{font-size:14px;line-height:1.7;color:var(--text-2);margin-bottom:18px}
.solution-list{display:flex;flex-direction:column;gap:10px;margin-bottom:24px;flex:1}
.solution-list li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.solution-list li svg{width:16px;height:16px;color:var(--point);stroke-width:2.4;flex-shrink:0}
.learn-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
  border-top:1px solid var(--border);padding-top:18px;transition:color var(--transition);
}
.learn-more svg{width:15px;height:15px;transition:transform var(--transition)}
.learn-more:hover{color:#9A6F1A}

/* Stats */
.stats-section{background:var(--bg);padding:96px 0}
.stats-section .section-head{margin-bottom:56px}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
  background:var(--white);border:1px solid var(--border);border-radius:16px;
  padding:48px 24px;box-shadow:var(--shadow-sm);
}
.stat-item{position:relative;text-align:center}
.stat-item:not(:last-child)::after{
  content:"";position:absolute;right:0;top:12%;bottom:12%;width:1px;background:rgba(13,59,46,.08);
}
.stat-number{display:flex;align-items:baseline;justify-content:center;gap:4px}
.stat-num{
  font-size:52px;font-weight:800;color:var(--primary);line-height:1.1;
  font-feature-settings:"tnum";letter-spacing:-.02em;
}
.stat-suffix{font-size:24px;font-weight:700;color:var(--accent)}
.stat-label{font-size:14px;color:var(--text-2);margin-top:10px;letter-spacing:.04em}

/* News */
.news-section{background:var(--white);padding:96px 0}
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.news-card{
  display:flex;align-items:flex-start;gap:20px;padding:12px;
  background:#fff;border:1px solid rgba(13,59,46,.06);border-radius:12px;
  transition:all var(--transition);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(13,59,46,.14)}
.news-thumb{
  width:132px;height:88px;border-radius:8px;object-fit:cover;flex-shrink:0;
  background:var(--bg);
}
.news-info{display:flex;flex-direction:column;min-width:0;flex:1}
.news-title{
  font-size:16px;font-weight:700;line-height:1.45;color:var(--text);margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-excerpt{
  font-size:14px;color:var(--text-2);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:10px;
}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-3);margin-top:auto}
.news-cat{
  background:var(--point-soft);color:var(--primary);font-weight:600;
  padding:2px 10px;border-radius:999px;font-size:12px;
}
.news-arrow{margin-left:auto;font-size:18px;color:var(--text-3);transition:all var(--transition)}
.news-card:hover .news-arrow{color:var(--accent);transform:translateX(3px)}
.link-all{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
  padding:10px 16px;border-radius:8px;background:var(--point-soft);transition:all var(--transition);
}
.link-all svg{width:15px;height:15px;transition:transform var(--transition)}
.link-all:hover{background:var(--primary);color:#fff}
.link-all:hover svg{transform:translateX(4px)}

.empty-state{
  grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:56px 24px;background:var(--bg);border:1px dashed rgba(13,59,46,.16);
  border-radius:16px;color:var(--text-2);font-size:14px;font-weight:500;
}
.empty-state svg{
  width:44px;height:44px;stroke:var(--text-3);stroke-width:1.5;fill:none;margin-bottom:14px;
  stroke-linecap:round;stroke-linejoin:round;
}

/* CTA panel */
.cta-section{background:var(--bg);padding:96px 0}
.cta-panel{
  position:relative;background:var(--primary);border-radius:16px;padding:48px 48px 40px;
  display:flex;justify-content:space-between;align-items:center;gap:32px;overflow:hidden;
  box-shadow:0 20px 50px rgba(13,59,46,.18);
}
.cta-panel::before{
  content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;
  background:linear-gradient(135deg, rgba(217,164,65,.24), rgba(217,164,65,0));
  border-radius:50%;
}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{font-size:28px;color:#fff;font-weight:700;margin-bottom:10px}
.cta-copy p{font-size:14px;color:rgba(255,255,255,.68);max-width:560px}
.cta-action{display:flex;flex-direction:column;align-items:center;gap:12px;position:relative;z-index:1;flex-shrink:0}
.privacy-note{
  display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-3);
  max-width:480px;line-height:1.6;margin-top:20px;
}
.privacy-note svg{width:14px;height:14px;stroke:var(--primary);flex-shrink:0}
.privacy-note a{color:var(--primary);font-weight:600}
.privacy-note a:hover{color:#9A6F1A}

/* FAQ */
.faq-section{background:var(--white);padding:96px 0}
.faq-wrap{display:grid;grid-template-columns:320px 1fr;gap:56px}
.faq-aside .section-title{margin-bottom:12px}
.faq-aside p{font-size:14px;color:var(--text-2);margin-bottom:24px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--bg);border:1px solid transparent;border-radius:12px;
  transition:all var(--transition);overflow:hidden;
}
.faq-item.open{background:#fff;border-color:var(--border);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:0 20px;height:56px;font-size:16px;font-weight:600;color:var(--text);
  text-align:left;transition:color var(--transition);
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  width:28px;height:28px;border-radius:50%;border:1px solid var(--border);background:#fff;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  font-size:16px;font-weight:500;color:var(--text-3);transition:all .3s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--accent);border-color:var(--accent);color:#fff}
.faq-a{max-height:0;overflow:hidden;padding:0 20px;transition:max-height .3s ease, padding .3s ease}
.faq-a-inner{font-size:14px;color:var(--text-2);line-height:1.75;padding-bottom:18px}

/* Footer */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.62);padding:56px 0 24px;position:relative}
.site-footer .brand .brand-name{color:#fff}
.site-footer .brand .brand-sub{color:rgba(255,255,255,.48)}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:40px}
.footer-brand p{font-size:14px;line-height:1.7;margin:18px 0 22px;max-width:300px;color:rgba(255,255,255,.55)}
.footer-social{display:flex;gap:10px}
.social-circle{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.68);
  transition:all var(--transition);background:transparent;
}
.social-circle svg{width:16px;height:16px}
.social-circle:hover{background:var(--accent);border-color:var(--accent);color:#16261E;transform:translateY(-2px)}
.footer-col h3{
  font-size:14px;font-weight:700;color:rgba(255,255,255,.72);margin-bottom:18px;
  letter-spacing:.06em;
}
.footer-col a,.footer-col span{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.48);margin-bottom:10px;transition:all var(--transition)}
.footer-col a:hover{color:#fff;transform:translateX(-2px)}
.footer-col a svg,.footer-col span svg{width:15px;height:15px;stroke:rgba(255,255,255,.4);flex-shrink:0}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;margin-top:48px;
  padding-top:24px;border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:rgba(255,255,255,.30);
}
.back-top{
  display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.48);
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  justify-content:center;transition:all var(--transition);
}
.back-top:hover{background:var(--accent);border-color:var(--accent);color:#16261E}

/* Modal */
.modal{
  position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,.50);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  padding:20px;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.modal.open{opacity:1;visibility:visible}
.modal-panel{
  width:480px;max-width:92vw;background:#fff;border-radius:16px;padding:34px;
  box-shadow:var(--shadow-modal);position:relative;transform:scale(.96);
  transition:transform .3s cubic-bezier(.22,1,.36,1);
}
.modal.open .modal-panel{transform:scale(1)}
.modal-close{
  position:absolute;right:16px;top:16px;width:40px;height:40px;border-radius:50%;
  background:rgba(13,59,46,.06);color:var(--text-2);font-size:18px;
  display:flex;align-items:center;justify-content:center;transition:all var(--transition);
}
.modal-close:hover{background:var(--danger);color:#fff;transform:rotate(90deg)}
.modal-head{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.modal-head .brand-mark{width:36px;height:36px;border-radius:8px}
.modal-head .brand-letters{font-size:14px}
.modal-panel h3{font-size:20px;font-weight:700;color:var(--text);margin-bottom:4px}
.modal-panel .modal-desc{font-size:13px;color:var(--text-2);margin-bottom:20px}
.contact-form{display:flex;flex-direction:column;gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group label{font-size:13px;color:var(--text-2);font-weight:500}
.form-group input,.form-group select,.form-group textarea{
  height:44px;border:1px solid rgba(13,59,46,.15);border-radius:8px;padding:0 14px;
  background:#fff;font-size:14px;color:var(--text);outline:none;transition:all var(--transition);
}
.form-group textarea{height:100px;padding:12px 14px;resize:vertical}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  border-color:var(--accent);box-shadow:0 0 0 4px rgba(217,164,65,.15);
}
.form-group .error-hint{font-size:12px;color:var(--danger)}
.contact-form .btn-primary{height:46px}

/* Reveal animation */
html.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
html.js .reveal.visible{opacity:1;transform:none}
html.js .reveal.stagger-1{transition-delay:.1s}
html.js .reveal.stagger-2{transition-delay:.2s}
html.js .reveal.stagger-3{transition-delay:.3s}

@media (prefers-reduced-motion: reduce){
  html.js .reveal{opacity:1;transform:none;transition:none}
  .hero-float-card{animation:none}
  .stat-num{transition:none}
  html{scroll-behavior:auto}
}

/* Responsive */
@media (max-width: 1199px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:40px}
  .header-search input{width:160px}
  .header-search input:focus{width:220px}
  .nav-links{gap:20px}
  .footer-grid{grid-template-columns:2fr 1fr 1fr;gap:32px}
}

@media (max-width: 991px){
  .section{padding:72px 0}
  .hero{padding:72px 0}
  .hero h1{font-size:38px}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .solution-grid{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:32px 24px}
  .stat-item:nth-child(2)::after{display:none}
  .hero-float-card.card-1{left:-8px}
  .faq-wrap{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media (max-width: 767px){
  .section{padding:56px 0}
  .hero{padding:56px 0;min-height:auto}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:15px}
  .hero-metric strong{font-size:20px}
  .hero-visual{max-width:100%}
  .hero-float-card.card-1{left:8px;bottom:16px}
  .hero-float-card.card-2{right:8px;top:12px}
  .nav-links,.header-search,.icon-btn{display:none}
  .menu-toggle{display:flex}
  .search-toggle{display:inline-flex}
  .btn-header{padding:0 14px;font-size:13px}
  .header-actions{gap:8px}
  .mobile-menu{
    display:block;position:fixed;top:64px;left:0;right:0;bottom:0;z-index:99;
    background:var(--primary-extra);padding:28px 24px;opacity:0;visibility:hidden;
    transform:translateY(-8px);transition:all .3s ease;overflow-y:auto;
  }
  .mobile-menu.open{opacity:1;visibility:visible;transform:none}
  .mobile-menu a{
    display:flex;align-items:center;justify-content:space-between;
    padding:16px 4px;color:rgba(255,255,255,.88);font-size:17px;font-weight:500;
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .mobile-menu a:hover{color:var(--accent)}
  .mobile-search{
    display:none;position:absolute;top:64px;left:0;right:0;z-index:98;
    background:var(--bg);padding:12px 16px;box-shadow:0 12px 28px rgba(13,59,46,.12);
    border-bottom:1px solid var(--border);
  }
  .mobile-search.open{display:block}
  .mobile-search input{
    width:100%;height:42px;border:1px solid var(--border);border-radius:10px;
    background:#fff;padding:0 14px;font-size:14px;outline:none;
  }
  .mobile-search input:focus{border-color:var(--accent)}
  .pain-grid{grid-template-columns:1fr}
  .solution-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-thumb{width:108px;height:78px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:36px 24px}
  .cta-copy h2{font-size:22px}
  .cta-action{width:100%}
  .cta-action .btn{width:100%}
  .privacy-note{margin-top:16px}
  .stats-grid{padding:40px 16px}
  .stat-num{font-size:40px}
  .stat-suffix{font-size:20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:16px;align-items:flex-start}
  .modal-panel{padding:26px 20px}
}

@media (max-width: 520px){
  .container{padding:0 16px}
  .hero h1{font-size:28px}
  .hero-metric{padding:0 16px}
  .hero-metric strong{font-size:18px}
  .hero-metric span{font-size:11px}
  .news-card{flex-direction:column}
  .news-thumb{width:100%;height:auto;aspect-ratio:16/9}
  .stat-item:not(:last-child)::after{display:none}
  .btn-header span{display:none}
  .btn-header{padding:0 14px}
}

/* roulang page: category1 */
:root{
  --primary:#0D3B2E;
  --primary-dark:#0B2E22;
  --primary-deeper:#0A2A1F;
  --accent:#D9A441;
  --accent-hover:#C7922E;
  --point:#A8C686;
  --bg:#F7F5F1;
  --white:#FFFFFF;
  --text:#16261E;
  --text-2:#5B6B63;
  --text-3:#8A988F;
  --border:rgba(13,59,46,0.10);
  --border-strong:rgba(13,59,46,0.2);
  --radius:12px;
  --radius-sm:8px;
  --radius-lg:16px;
  --shadow:0 2px 8px rgba(13,59,46,0.06);
  --shadow-hover:0 8px 24px rgba(13,59,46,0.10);
  --shadow-btn:0 6px 16px rgba(217,164,65,0.30);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --font-num:"Inter","SF Pro Display","Helvetica Neue",Arial,sans-serif;
  --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;border:0;vertical-align:middle}
a{color:inherit;text-decoration:none;transition:var(--transition)}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{list-style:none;margin:0;padding:0}
p{margin:0}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.3}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media(max-width:767px){.container{padding-left:16px;padding-right:16px}}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:100;height:64px;
  background:rgba(247,245,241,0.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(13,59,46,0.06);
  transition:var(--transition);
}
.site-header.scrolled{
  background:rgba(247,245,241,0.96);
  box-shadow:0 4px 20px rgba(13,59,46,0.06);
}
.nav-container{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:10px;
  background:var(--primary);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:800;font-size:17px;
  letter-spacing:-0.5px;position:relative;overflow:hidden;
  box-shadow:0 2px 6px rgba(13,59,46,0.18);
}
.brand-mark::after{
  content:"";position:absolute;top:0;right:0;width:14px;height:14px;
  background:var(--accent);
  clip-path:polygon(100% 0,0 0,100% 100%);
  opacity:0.9;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-family:var(--font-num);font-weight:800;font-size:17px;color:var(--primary);letter-spacing:0.2px}
.brand-sub{font-size:11px;color:var(--text-2);font-weight:500;letter-spacing:0.4px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links .nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:18px 0 14px;transition:color .2s;
}
.nav-links .nav-link:hover{color:var(--primary)}
.nav-links .nav-link.active{color:var(--primary);font-weight:600}
.nav-links .nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px}
.search-wrap{
  position:relative;width:180px;transition:width .3s ease;
}
.search-wrap:focus-within{width:260px}
.search-wrap svg{
  position:absolute;left:12px;top:50%;transform:translateY(-50%);
  width:17px;height:17px;color:var(--text-3);pointer-events:none;
}
.search-wrap input{
  width:100%;height:38px;border-radius:10px;border:1px solid transparent;
  background:rgba(13,59,46,0.06);padding:0 14px 0 38px;
  font-size:14px;color:var(--text);outline:none;
  transition:all .25s ease;
}
.search-wrap input::placeholder{color:var(--text-3)}
.search-wrap input:focus{
  border-color:var(--accent);
  background:var(--white);
  box-shadow:0 0 0 4px rgba(217,164,65,0.15);
}
.header-cta{
  height:40px;padding:0 18px;border-radius:8px;background:var(--primary);
  color:#fff;font-size:14px;font-weight:600;white-space:nowrap;
  display:inline-flex;align-items:center;gap:6px;
  transition:var(--transition);
}
.header-cta::after{
  content:"→";transition:transform .25s ease;font-size:15px;
}
.header-cta:hover{
  background:var(--accent);color:var(--primary-deeper);
  box-shadow:var(--shadow-btn);
}
.header-cta:hover::after{transform:translateX(4px)}
.header-cta:active{transform:translateY(1px)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:8px;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);position:relative;transition:var(--transition)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--text);transition:var(--transition)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.open span::after{top:0;transform:rotate(-45deg)}
@media(max-width:991px){
  .nav-links{gap:20px}
  .search-wrap{width:150px}
  .search-wrap:focus-within{width:200px}
}
@media(max-width:767px){
  .nav-links{
    display:flex;flex-direction:column;align-items:flex-start;gap:0;
    position:fixed;top:64px;left:0;right:0;bottom:0;
    background:var(--primary-deeper);padding:24px 24px 40px;transform:translateX(100%);
    transition:transform .35s cubic-bezier(0.22,1,0.36,1);z-index:99;
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links .nav-link{
    color:rgba(255,255,255,0.82);font-size:17px;padding:16px 0;
    border-bottom:1px solid rgba(255,255,255,0.08);width:100%;
  }
  .nav-links .nav-link:hover{color:#fff;padding-left:4px}
  .nav-links .nav-link.active{color:var(--accent)}
  .nav-links .nav-link.active::after{display:none}
  .search-wrap{width:38px;overflow:hidden;transition:width .3s}
  .search-wrap:focus-within{width:180px;position:absolute;right:90px;top:12px;background:var(--white);border-radius:10px;box-shadow:var(--shadow)}
  .search-wrap:focus-within input{background:var(--white)}
  .header-cta{padding:0 12px;font-size:13px}
  .nav-toggle{display:inline-flex}
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:8px;
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:var(--transition);
}
.btn-primary{background:var(--accent);color:var(--primary-deeper)}
.btn-primary:hover{
  background:#fff;box-shadow:0 6px 18px rgba(217,164,65,0.32);
  transform:translateY(-1px);
}
.btn-primary::after{content:"→";transition:transform .25s}
.btn-primary:hover::after{transform:translateX(4px)}
.btn-ghost{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,0.3);
}
.btn-ghost:hover{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.5)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible,.nav-link:focus-visible,.header-cta:focus-visible,.faq-toggle:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}

/* ===== Page Hero ===== */
.page-hero{
  position:relative;background:var(--primary-deeper);
  padding:76px 0 68px;color:#fff;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:0.25;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(13,59,46,0.92),rgba(10,42,31,0.8));
}
.page-hero .container{position:relative;z-index:2}
.page-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:0.12em;color:var(--accent);
  text-transform:uppercase;margin-bottom:16px;
}
.page-eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.page-hero h1{
  font-size:38px;line-height:1.2;margin-bottom:18px;
  max-width:780px;letter-spacing:-0.5px;
}
.page-hero h1 .highlight{color:var(--accent)}
.page-hero-desc{
  font-size:15px;line-height:1.8;color:rgba(255,255,255,0.74);
  max-width:760px;margin-bottom:32px;
}
.page-hero-meta{
  display:flex;flex-wrap:wrap;gap:32px;padding-top:28px;
  border-top:1px solid rgba(255,255,255,0.12);
}
.page-hero-meta .meta-item small{display:block;font-size:12px;color:rgba(255,255,255,0.5);letter-spacing:0.06em}
.page-hero-meta .meta-item strong{font-family:var(--font-num);font-size:21px;font-weight:800;color:var(--accent)}
@media(max-width:767px){
  .page-hero{padding:48px 0 40px}
  .page-hero h1{font-size:28px}
  .page-hero-desc{font-size:14px}
}

/* ===== Section base ===== */
.section{padding:84px 0}
.section-inverse{background:var(--white)}
.section-head{max-width:720px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-eyebrow{
  font-size:12px;font-weight:600;letter-spacing:0.12em;color:var(--accent);
  text-transform:uppercase;display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;
}
.section-eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px}
.section-head.center .section-eyebrow::before,.section-head.center .section-eyebrow::after{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px}
.section-title{font-size:32px;line-height:1.25;color:var(--text);margin-bottom:16px;letter-spacing:-0.3px}
.section-title .highlight{color:var(--primary);border-bottom:3px solid var(--accent);padding-bottom:2px}
.section-sub{font-size:15px;color:var(--text-2);line-height:1.75;margin-top:12px}
@media(max-width:767px){
  .section{padding:52px 0}
  .section-title{font-size:26px}
}

/* ===== Intro Split ===== */
.intro-split{display:grid;grid-template-columns:1.05fr 0.95fr;gap:56px;align-items:center}
.intro-split.reversed .intro-media{order:2}
.intro-media{
  border-radius:var(--radius-lg);overflow:hidden;position:relative;
  box-shadow:var(--shadow-hover);aspect-ratio:4/3;background:var(--primary);
}
.intro-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.intro-media:hover img{transform:scale(1.03)}
.intro-media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(11,46,34,0.25));
}
.intro-badge{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:rgba(255,255,255,0.92);backdrop-filter:blur(8px);
  border-radius:10px;padding:10px 18px;display:flex;align-items:center;gap:10px;
  box-shadow:0 4px 16px rgba(0,0,0,0.12);
}
.intro-badge .badge-icon{
  width:32px;height:32px;border-radius:8px;background:rgba(217,164,65,0.16);
  display:flex;align-items:center;justify-content:center;color:var(--accent);
}
.intro-badge strong{font-size:14px;color:var(--text);display:block;line-height:1.2}
.intro-badge span{font-size:12px;color:var(--text-2)}
.intro-content h2{font-size:28px;line-height:1.3;margin-bottom:20px;color:var(--text)}
.intro-content p{font-size:15px;color:var(--text-2);line-height:1.85;margin-bottom:16px}
.intro-list{margin-top:8px}
.intro-list li{
  display:flex;align-items:flex-start;gap:12px;padding:8px 0;
  font-size:15px;color:var(--text);line-height:1.65;
}
.intro-list li svg{flex-shrink:0;width:20px;height:20px;color:var(--point);margin-top:3px}
@media(max-width:991px){
  .intro-split{grid-template-columns:1fr;gap:32px}
  .intro-split.reversed .intro-media{order:0}
}

/* ===== Service Cards ===== */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 28px;transition:var(--transition);
}
.service-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-hover);
  border-color:var(--border-strong);
}
.service-card .badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:0.04em;
  background:rgba(168,198,134,0.18);color:var(--primary);
  padding:5px 12px;border-radius:999px;margin-bottom:18px;
}
.service-card .badge.badge-accent{background:rgba(217,164,65,0.14);color:#8A6418}
.service-card h3{font-size:20px;font-weight:600;color:var(--text);margin-bottom:12px}
.service-card p{font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:20px}
.service-tags{display:flex;flex-wrap:wrap;gap:8px}
.service-tags span{
  font-size:12px;color:var(--text-2);background:rgba(13,59,46,0.05);
  padding:4px 10px;border-radius:6px;font-weight:500;
}
@media(max-width:991px){
  .service-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767px){
  .service-grid{grid-template-columns:1fr}
}

/* ===== Stat band ===== */
.stat-band{
  background:var(--primary-deeper);color:#fff;padding:64px 0;
  position:relative;overflow:hidden;
}
.stat-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,0.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.04) 1px,transparent 1px);
  background-size:48px 48px;
}
.stat-band .container{position:relative;z-index:1}
.stat-band h2{font-size:28px;margin-bottom:16px}
.stat-band .section-sub{color:rgba(255,255,255,0.6)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.stat-item{text-align:center;padding:12px 8px;position:relative}
.stat-item:not(:last-child)::after{
  content:"";position:absolute;right:-12px;top:20%;height:60%;width:1px;
  background:rgba(255,255,255,0.1);
}
.stat-number{
  font-family:var(--font-num);font-size:48px;font-weight:800;color:#fff;
  line-height:1;letter-spacing:-1px;font-feature-settings:"tnum";
}
.stat-number .suffix{color:var(--accent);font-size:24px;margin-left:2px}
.stat-label{margin-top:10px;font-size:14px;color:rgba(255,255,255,0.62);letter-spacing:0.02em}
@media(max-width:767px){
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .stat-number{font-size:36px}
  .stat-item:nth-child(2)::after{display:none}
}

/* ===== Timeline ===== */
.timeline-wrap{
  border-left:2px solid rgba(13,59,46,0.1);
  margin-left:8px;padding-left:0;
}
.timeline-item{
  position:relative;padding:0 0 36px 34px;
}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-8px;top:6px;width:14px;height:14px;
  border-radius:50%;background:var(--accent);
  border:3px solid var(--bg);box-shadow:0 0 0 2px rgba(217,164,65,0.4);
}
.timeline-item .tl-date{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:0.06em;
  color:#8A6418;background:rgba(217,164,65,0.12);
  padding:4px 12px;border-radius:999px;margin-bottom:10px;
}
.timeline-item h3{font-size:18px;font-weight:600;color:var(--text);margin-bottom:8px}
.timeline-item p{font-size:14px;color:var(--text-2);line-height:1.8}
@media(max-width:767px){
  .timeline-item{padding-left:24px}
  .timeline-item::before{left:-7px}
}

/* ===== Info blocks ===== */
.info-blocks{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.info-blocks.reversed .info-visual{order:2}
.info-visual{
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
  aspect-ratio:5/4;background:var(--primary);
}
.info-visual img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.info-visual:hover img{transform:scale(1.03)}
.info-content h2{font-size:28px;line-height:1.3;margin-bottom:20px}
.info-content p{font-size:15px;color:var(--text-2);line-height:1.85;margin-bottom:16px}
.info-content .quote{
  border-left:3px solid var(--accent);background:rgba(13,59,46,0.04);
  padding:16px 20px;border-radius:0 10px 10px 0;
  color:var(--text);font-size:14px;line-height:1.8;margin-top:20px;
}
@media(max-width:991px){
  .info-blocks{grid-template-columns:1fr}
  .info-blocks.reversed .info-visual{order:0}
}

/* ===== FAQ ===== */
.faq-section{background:var(--white)}
.faq-layout{display:grid;grid-template-columns:320px 1fr;gap:48px}
.faq-side .section-title{font-size:28px}
.faq-side p{font-size:14px;color:var(--text-2);line-height:1.75;margin-top:12px;margin-bottom:24px}
.faq-list .faq-item{
  background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);
  margin-bottom:10px;overflow:hidden;transition:var(--transition);
}
.faq-item:hover{border-color:var(--border-strong)}
.faq-toggle{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--text);
  text-align:left;transition:var(--transition);border-radius:var(--radius);
}
.faq-toggle .icon{
  flex-shrink:0;width:28px;height:28px;border-radius:8px;
  background:rgba(13,59,46,0.06);display:flex;align-items:center;justify-content:center;
  transition:var(--transition);margin-left:16px;
}
.faq-toggle .icon::before,.faq-toggle .icon::after{
  content:"";position:absolute;width:12px;height:2px;background:var(--primary);border-radius:2px;
}
.faq-toggle .icon{position:relative}
.faq-toggle .icon::after{transform:rotate(90deg)}
.faq-item.active .faq-toggle .icon{transform:rotate(45deg);background:rgba(217,164,65,0.18)}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height 0.3s ease;
}
.faq-answer-inner{
  padding:0 22px 20px;font-size:14px;color:var(--text-2);line-height:1.8;
}
.faq-item.active .faq-answer{max-height:280px}
@media(max-width:991px){
  .faq-layout{grid-template-columns:1fr;gap:32px}
}

/* ===== CTA band ===== */
.cta-band{
  background:var(--primary);
  border-radius:var(--radius-lg);
  padding:52px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:0;top:0;width:220px;height:220px;
  background:linear-gradient(135deg,transparent 40%,rgba(217,164,65,0.16));
  border-radius:50%;
}
.cta-band h2{font-size:26px;color:#fff;margin-bottom:10px}
.cta-band p{font-size:14px;color:rgba(255,255,255,0.7);max-width:560px;line-height:1.75}
.cta-actions{display:flex;gap:14px;flex-shrink:0;position:relative;z-index:1}
@media(max-width:991px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px}
  .cta-actions{flex-wrap:wrap}
}

/* ===== Footer ===== */
.site-footer{background:var(--primary-deeper);color:#fff;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.1)}
.footer-brand .brand{color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,0.1);color:var(--accent);box-shadow:none}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,0.5)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,0.55);line-height:1.8;margin:18px 0 22px;max-width:320px}
.footer-social{display:flex;gap:12px}
.social-circle{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,0.22);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.6);
  transition:var(--transition);
}
.social-circle svg{width:17px;height:17px}
.social-circle:hover{background:var(--accent);border-color:var(--accent);color:var(--primary-deeper);transform:translateY(-2px)}
.footer-col h3{font-size:14px;color:rgba(255,255,255,0.7);font-weight:600;margin-bottom:18px;letter-spacing:0.04em}
.footer-col a{
  display:flex;align-items:center;gap:6px;font-size:14px;color:rgba(255,255,255,0.5);
  padding:6px 0;transition:var(--transition);
}
.footer-col a:hover{color:#fff;transform:translateX(-2px)}
.footer-col span{
  display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,0.5);
  padding:7px 0;font-style:normal;
}
.footer-col span svg{width:16px;height:16px;color:var(--accent);flex-shrink:0}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,0.3);
}
.footer-bottom .icp{font-size:12px}
.back-top{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,0.25);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.6);
  transition:var(--transition);cursor:pointer;
}
.back-top svg{width:16px;height:16px}
.back-top:hover{background:var(--accent);border-color:var(--accent);color:var(--primary-deeper)}
@media(max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:767px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:16px;align-items:flex-start}
}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity 0.8s cubic-bezier(0.22,1,0.36,1),transform 0.8s cubic-bezier(0.22,1,0.36,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:0.08s}
.reveal-delay-2{transition-delay:0.16s}
.reveal-delay-3{transition-delay:0.24s}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:0.001s !important;transition-duration:0.001s !important}
  .reveal{opacity:1;transform:none}
}

/* ===== Breadcrumb ===== */
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:20px;z-index:2;position:relative;
}
.crumb a{color:rgba(255,255,255,0.55);transition:var(--transition)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:rgba(255,255,255,0.3)}
.crumb .current{color:rgba(255,255,255,0.8)}

/* roulang page: article */
:root{
  --primary:#0D3B2E;
  --primary-dark:#0B2E22;
  --primary-deeper:#0A2A1F;
  --accent:#D9A441;
  --light-green:#A8C686;
  --bg:#F7F5F1;
  --white:#FFFFFF;
  --text:#16261E;
  --text-secondary:#5B6B63;
  --text-muted:#8A988F;
  --border:rgba(13,59,46,0.10);
  --radius:12px;
  --radius-sm:8px;
  --shadow-sm:0 2px 8px rgba(13,59,46,0.06);
  --shadow-lg:0 8px 24px rgba(13,59,46,0.10);
  --shadow-accent:0 6px 16px rgba(217,164,65,0.30);
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --font-en:"Inter","SF Pro Display","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color 0.25s ease,border-color 0.25s ease,background 0.25s ease,box-shadow 0.25s ease,transform 0.25s ease;outline:none;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
ul,ol{list-style:none;}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit;}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--text);}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;position:relative;}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(247,245,241,0.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(13,59,46,0.06);
  height:64px;
  transition:background 0.3s ease,box-shadow 0.3s ease;
}
.site-header.scrolled{
  background:rgba(247,245,241,0.96);
  box-shadow:0 4px 20px rgba(13,59,46,0.06);
}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;
  height:64px;gap:24px;
}
.brand{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
}
.brand-mark{
  width:40px;height:40px;border-radius:8px;
  background:var(--primary);
  display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
}
.brand-mark::after{
  content:"";position:absolute;top:0;right:0;
  width:0;height:0;
  border-top:12px solid var(--accent);
  border-left:12px solid transparent;
}
.brand-letters{
  color:var(--accent);font-weight:800;font-size:15px;
  font-family:var(--font-en);letter-spacing:0.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{
  font-size:17px;font-weight:700;color:var(--text);
  font-family:var(--font-en);letter-spacing:0.3px;
}
.brand-sub{font-size:11px;color:var(--text-secondary);letter-spacing:0.08em;font-weight:500;}
.nav-links{
  display:flex;align-items:center;gap:28px;
  margin:0 auto;
}
.nav-link{
  font-size:15px;font-weight:500;color:var(--text-secondary);
  padding:6px 2px;position:relative;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;
  height:2px;background:var(--accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform 0.3s ease;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.header-search{
  display:flex;align-items:center;
  width:180px;height:38px;
  background:rgba(13,59,46,0.06);
  border:1px solid transparent;
  border-radius:10px;padding:0 12px;gap:8px;
  transition:width 0.3s ease,border-color 0.3s ease,box-shadow 0.3s ease;
}
.header-search:focus-within{
  width:260px;border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(217,164,65,0.15);
  background:var(--white);
}
.header-search svg{width:16px;height:16px;stroke:var(--text-muted);flex-shrink:0;}
.header-search input{
  border:none;background:transparent;width:100%;
  font-size:13px;color:var(--text);
}
.header-search input::placeholder{color:var(--text-muted);}
.header-search input:focus{outline:none;}
.header-icon{
  width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-secondary);transition:background 0.25s ease,color 0.25s ease;
}
.header-icon:hover{background:rgba(13,59,46,0.08);color:var(--primary);}
.header-icon svg{width:20px;height:20px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:600;
  height:40px;padding:0 20px;border-radius:8px;
  transition:all 0.25s ease;white-space:nowrap;
}
.btn-primary{
  background:var(--primary);color:var(--white);
}
.btn-primary:hover{
  background:var(--accent);color:var(--text);
  box-shadow:var(--shadow-accent);
}
.btn-primary svg{width:16px;height:16px;transition:transform 0.25s ease;}
.btn-primary:hover svg{transform:translateX(4px);}
.btn-outline{
  background:transparent;color:rgba(255,255,255,0.9);
  border:1px solid rgba(255,255,255,0.35);
}
.btn-outline:hover{background:rgba(255,255,255,0.10);color:var(--white);}
.btn-accent{background:var(--accent);color:var(--text);}
.btn-accent:hover{background:var(--white);color:var(--primary);box-shadow:var(--shadow-accent);}
.btn-header{
  height:40px;background:var(--primary);color:var(--white);
  border-radius:8px;padding:0 18px;font-size:14px;
}
.btn-header:hover{background:var(--accent);color:var(--text);}
.menu-toggle{display:none;width:40px;height:40px;border-radius:8px;align-items:center;justify-content:center;color:var(--text);}
.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
  display:block;width:20px;height:2px;background:currentColor;border-radius:2px;position:relative;transition:all 0.3s ease;
}
.menu-toggle span::before{content:"";position:absolute;top:-6px;left:0;}
.menu-toggle span::after{content:"";position:absolute;top:6px;left:0;}
.menu-toggle.open span{background:transparent;}
.menu-toggle.open span::before{top:0;transform:rotate(45deg);}
.menu-toggle.open span::after{top:0;transform:rotate(-45deg);}
.mobile-menu{
  display:none;
  position:fixed;top:64px;left:0;right:0;bottom:0;z-index:999;
  background:var(--primary-dark);
  padding:32px 24px;flex-direction:column;gap:8px;
}
.mobile-menu.open{display:flex;}
.mobile-menu a{
  color:rgba(255,255,255,0.9);font-size:17px;font-weight:500;
  padding:14px 12px;border-radius:8px;
}
.mobile-menu a:hover{background:rgba(255,255,255,0.08);color:var(--white);}
.mobile-menu a.active{color:var(--accent);}
.mobile-search{display:flex;align-items:center;background:rgba(255,255,255,0.10);border-radius:10px;padding:10px 14px;gap:8px;margin-bottom:16px;}
.mobile-search svg{width:18px;height:18px;stroke:rgba(255,255,255,0.6);}
.mobile-search input{background:transparent;border:none;color:var(--white);width:100%;font-size:14px;}
.mobile-search input::placeholder{color:rgba(255,255,255,0.5);}
.mobile-search input:focus{outline:none;}
.mobile-cta{margin-top:16px;}
.mobile-cta .btn{width:100%;}

/* ===== Article Page ===== */
.article-hero{
  background:var(--primary-dark);
  background-image:
    linear-gradient(135deg, rgba(13,59,46,0.94), rgba(11,46,34,0.80)),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:72px 0 56px;color:var(--white);
}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:rgba(255,255,255,0.6);margin-bottom:24px;
}
.breadcrumb a{color:rgba(255,255,255,0.6);}
.breadcrumb a:hover{color:var(--accent);}
.crumb-sep{opacity:0.5;}
.breadcrumb .current{color:rgba(255,255,255,0.9);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:260px;}
.article-hero h1{
  font-size:38px;line-height:1.25;font-weight:700;
  max-width:760px;margin-bottom:16px;
}
.article-hero h1 .highlight{color:var(--accent);}
.article-summary{
  font-size:16px;line-height:1.75;
  color:rgba(255,255,255,0.72);
  max-width:680px;margin-bottom:28px;
}
.article-meta-line{
  display:flex;align-items:center;flex-wrap:wrap;gap:16px;
  font-size:13px;color:rgba(255,255,255,0.55);
  border-top:1px solid rgba(255,255,255,0.12);padding-top:20px;
}
.article-meta-line .meta-item{display:flex;align-items:center;gap:6px;}
.article-meta-line svg{width:15px;height:15px;stroke:rgba(255,255,255,0.5);}
.meta-dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,0.4);}

.article-body-section{padding:64px 0 80px;}
.article-layout{
  display:flex;gap:48px;align-items:flex-start;
}
.article-main{
  flex:1;min-width:0;
}
.article-content-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:48px;
}
.article-body{font-size:16px;line-height:1.85;color:var(--text);}
.article-body h2{
  font-size:24px;font-weight:700;line-height:1.4;
  margin:36px 0 16px;color:var(--primary);
  padding-left:14px;border-left:3px solid var(--accent);
}
.article-body h3{
  font-size:18px;font-weight:600;line-height:1.5;
  margin:28px 0 12px;color:var(--text);
}
.article-body p{margin:16px 0;}
.article-body img{border-radius:var(--radius);margin:24px 0;}
.article-body blockquote{
  border-left:3px solid var(--accent);
  background:#F7F5F1;
  padding:20px 24px;margin:24px 0;
  border-radius:0 8px 8px 0;
  color:var(--text-secondary);
  font-size:15px;
}
.article-body blockquote p{margin:0;}
.article-body ul,.article-body ol{margin:16px 0;padding-left:20px;}
.article-body ul li{position:relative;padding-left:16px;margin-bottom:8px;color:var(--text);}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:10px;
  width:6px;height:6px;border-radius:50%;
  background:var(--light-green);
}
.article-body ol li{margin-bottom:8px;color:var(--text);counter-increment:item;position:relative;padding-left:6px;}
.article-body ol{counter-reset:item;list-style:none;}
.article-body ol li::before{
  content:counter(item) ".";
  font-weight:700;color:var(--primary);
  margin-right:8px;font-family:var(--font-en);
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;
  font-size:14px;
}
.article-body th,.article-body td{
  border:1px solid var(--border);
  padding:12px 14px;text-align:left;
}
.article-body th{background:#F7F5F1;font-weight:600;color:var(--primary);}
.article-body tr:hover td{background:rgba(168,198,134,0.08);}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(13,59,46,0.2);}
.article-body a:hover{color:var(--accent);border-color:var(--accent);}
.article-body code{
  background:rgba(13,59,46,0.06);
  padding:2px 6px;border-radius:4px;
  font-size:14px;font-family:var(--font-en);
}
.article-body pre{
  background:var(--primary-deeper);color:#E8E3D8;
  padding:24px;border-radius:12px;
  overflow-x:auto;margin:24px 0;
  font-size:14px;line-height:1.7;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}

.article-empty{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:80px 24px;text-align:center;
}
.article-empty .empty-icon{
  width:64px;height:64px;margin:0 auto 20px;
  border-radius:50%;background:#F0EFEA;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);
}
.article-empty .empty-icon svg{width:28px;height:28px;}
.article-empty p{font-size:16px;color:var(--text-secondary);margin-bottom:8px;}
.article-empty .btn{margin-top:16px;}

.article-footer-tags{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  margin-top:40px;padding-top:28px;
  border-top:1px solid var(--border);
}
.article-footer-tags .tag-label{font-size:14px;font-weight:600;color:var(--text-secondary);}
.article-tag{
  display:inline-block;
  font-size:12px;font-weight:500;
  color:var(--primary);
  background:rgba(168,198,134,0.18);
  padding:6px 14px;border-radius:999px;
  transition:background 0.25s ease,color 0.25s ease;
}
.article-tag:hover{background:var(--accent);color:var(--text);}

.article-pager{
  display:flex;gap:20px;margin-top:32px;
}
.pager-item{
  flex:1;background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px 20px;
  display:flex;flex-direction:column;gap:6px;
  transition:box-shadow 0.25s ease,transform 0.25s ease,border-color 0.25s ease;
}
.pager-item:hover{border-color:rgba(13,59,46,0.2);box-shadow:var(--shadow-lg);transform:translateY(-2px);}
.pager-label{font-size:12px;color:var(--text-muted);display:flex;align-items:center;gap:4px;}
.pager-label svg{width:14px;height:14px;}
.pager-title{font-size:15px;font-weight:600;color:var(--text);line-height:1.45;}
.pager-item:hover .pager-title{color:var(--primary);}

/* ===== Sidebar ===== */
.article-side{
  width:300px;flex-shrink:0;
  position:sticky;top:88px;
  display:flex;flex-direction:column;gap:32px;
}
.side-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:24px;
}
.side-card h3{
  font-size:17px;font-weight:700;color:var(--text);
  padding-bottom:14px;margin-bottom:20px;
  border-bottom:1px solid var(--border);
  position:relative;
}
.side-card h3::after{
  content:"";position:absolute;left:0;bottom:-1px;
  width:28px;height:2px;background:var(--accent);
  border-radius:2px;
}
.hot-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:10px 0;border-bottom:1px solid rgba(13,59,46,0.05);
}
.hot-list li:last-child{border-bottom:none;padding-bottom:0;}
.hot-list li:first-child{padding-top:0;}
.hot-num{
  font-size:16px;font-weight:700;font-family:var(--font-en);
  color:var(--text-muted);line-height:1.4;min-width:24px;
}
.hot-list li:nth-child(1) .hot-num,.hot-list li:nth-child(2) .hot-num,.hot-list li:nth-child(3) .hot-num{
  color:var(--accent);
}
.hot-list a{
  font-size:14px;line-height:1.55;color:var(--text-secondary);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.hot-list a:hover{color:var(--primary);}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;}
.side-tag{
  font-size:12px;font-weight:500;
  color:var(--text-secondary);
  background:#F7F5F1;
  border:1px solid var(--border);
  padding:6px 12px;border-radius:999px;
  transition:all 0.25s ease;
}
.side-tag:hover{background:var(--primary);color:var(--white);border-color:var(--primary);}
.side-contact{
  background:var(--primary);
  background-image:linear-gradient(135deg,rgba(13,59,46,0.92),rgba(11,46,34,0.78)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-radius:var(--radius);
  padding:28px 24px;color:var(--white);
  border:none;
}
.side-contact h3{color:var(--white);border-color:rgba(255,255,255,0.15);}
.side-contact h3::after{background:var(--accent);}
.side-contact p{
  font-size:14px;line-height:1.65;
  color:rgba(255,255,255,0.75);margin-bottom:18px;
  border-bottom:none;padding-bottom:0;
}
.side-contact .btn{width:100%;}

/* ===== Related ===== */
.related-section{padding:80px 0;background:var(--white);}
.section-title-wrap{
  display:flex;align-items:flex-end;justify-content:space-between;
  margin-bottom:40px;
}
.section-title-wrap h2{
  font-size:30px;font-weight:700;color:var(--text);line-height:1.3;
}
.section-title-wrap h2 .small{
  display:block;font-size:13px;font-weight:500;color:var(--accent);
  letter-spacing:0.12em;margin-bottom:8px;
}
.view-all-link{
  font-size:14px;font-weight:600;color:var(--primary);
  display:flex;align-items:center;gap:6px;
}
.view-all-link svg{width:16px;height:16px;transition:transform 0.25s ease;}
.view-all-link:hover svg{transform:translateX(4px);}
.related-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.news-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform 0.25s ease,box-shadow 0.25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(13,59,46,0.12);}
.news-card-thumb{
  aspect-ratio:16/9;overflow:hidden;background:#F0EFEA;
}
.news-card-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 0.4s ease;
}
.news-card:hover .news-card-thumb img{transform:scale(1.03);}
.news-card-body{padding:20px;}
.news-card-body h3{
  font-size:16px;font-weight:600;line-height:1.5;
  color:var(--text);margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card-body p{
  font-size:13px;color:var(--text-secondary);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:12px;
}
.news-card-meta{
  display:flex;align-items:center;gap:8px;
  font-size:12px;color:var(--text-muted);
}
.news-card-badge{
  font-size:11px;font-weight:500;
  background:rgba(168,198,134,0.18);
  color:var(--primary);
  padding:3px 10px;border-radius:999px;
}
.news-card-meta .arrow{margin-left:auto;color:var(--text-muted);}
.news-card:hover .news-card-meta .arrow{color:var(--accent);}

/* ===== CTA ===== */
.cta-band{
  background:var(--primary-dark);
  background-image:linear-gradient(135deg,rgba(13,59,46,0.94),rgba(11,46,34,0.82)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  padding:72px 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-inner h2{
  color:var(--white);font-size:28px;font-weight:700;
  line-height:1.35;margin-bottom:8px;
}
.cta-inner h2 .highlight{color:var(--accent);}
.cta-inner p{color:rgba(255,255,255,0.7);font-size:15px;max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-shrink:0;}

/* ===== Footer ===== */
.site-footer{
  background:var(--primary-deeper);
  color:rgba(255,255,255,0.7);
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:4fr 2fr 2.5fr 3fr;
  gap:48px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,0.10);
}
.footer-brand .brand .brand-name{color:var(--white);}
.footer-brand .brand .brand-sub{color:rgba(255,255,255,0.5);}
.footer-brand .brand-mark{background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.15);}
.footer-brand p{
  font-size:14px;line-height:1.75;
  color:rgba(255,255,255,0.5);
  margin-top:18px;max-width:280px;
}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.social-circle{
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,0.15);
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,0.55);
  transition:all 0.25s ease;
}
.social-circle svg{width:16px;height:16px;}
.social-circle:hover{background:var(--accent);border-color:var(--accent);color:var(--text);}
.footer-col h3{
  font-size:14px;font-weight:600;color:rgba(255,255,255,0.8);
  margin-bottom:16px;letter-spacing:0.05em;
}
.footer-col a,.footer-col span{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,0.45);
  line-height:1.5;margin-bottom:10px;
  transition:color 0.25s ease,padding-left 0.25s ease;
}
.footer-col a svg,.footer-col span svg{width:14px;height:14px;flex-shrink:0;stroke:rgba(255,255,255,0.35);}
.footer-col a:hover{color:var(--white);padding-left:2px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:24px;
}
.footer-bottom p{
  font-size:13px;color:rgba(255,255,255,0.30);
}
.footer-bottom p a{color:rgba(255,255,255,0.4);}
.back-top{
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,0.15);
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,0.5);
  transition:all 0.25s ease;
}
.back-top svg{width:18px;height:18px;}
.back-top:hover{background:var(--accent);border-color:var(--accent);color:var(--text);}

/* ===== Reveal Animation ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity 0.7s cubic-bezier(0.22,1,0.36,1),transform 0.7s cubic-bezier(0.22,1,0.36,1);}
.reveal.visible{opacity:1;transform:translateY(0);}

/* ===== Responsive ===== */
@media (max-width:1199px){
  .header-search{width:160px;}
  .header-search:focus-within{width:220px;}
  .article-layout{gap:32px;}
  .article-side{width:270px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .nav-links{gap:18px;}
  .article-layout{flex-direction:column;}
  .article-side{
    width:100%;position:static;
    display:grid;grid-template-columns:1fr 1fr;gap:24px;
  }
  .side-contact{grid-column:1/-1;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .container{padding:0 16px;}
  .header-inner{padding:0 16px;}
  .nav-links{display:none;}
  .header-search{display:none;}
  .menu-toggle{display:flex;}
  .header-actions .btn-header{display:none;}
  .article-hero{padding:56px 0 40px;}
  .article-hero h1{font-size:28px;}
  .article-summary{font-size:15px;}
  .article-content-card{padding:28px 20px;}
  .article-meta-line{gap:10px;font-size:12px;}
  .article-pager{flex-direction:column;}
  .related-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;text-align:center;}
  .cta-actions{width:100%;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:16px;align-items:flex-start;}
  .article-side{grid-template-columns:1fr;}
}
@media (max-width:575px){
  .article-hero h1{font-size:25px;}
  .section-title-wrap{flex-direction:column;align-items:flex-start;gap:12px;}
  .nav-links{display:none;}
  .footer-social{flex-wrap:wrap;}
  .article-body{font-size:15px;}
  .article-body h2{font-size:20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:0.01ms !important;transition-duration:0.01ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root {
  --primary: #0D3B2E;
  --primary-dark: #0B2E22;
  --primary-deeper: #0A2A1F;
  --accent: #D9A441;
  --accent-light: rgba(217, 164, 65, 0.15);
  --lime: #A8C686;
  --bg: #F7F5F1;
  --white: #FFFFFF;
  --text: #16261E;
  --text-sub: #5B6B63;
  --text-muted: #8A988F;
  --border: rgba(13, 59, 46, 0.10);
  --success: #2E7D5B;
  --warning: #C77D21;
  --error: #B34141;
  --radius-card: 12px;
  --radius-btn: 10px;
  --radius-input: 10px;
  --shadow-card: 0 2px 8px rgba(13, 59, 46, 0.06);
  --shadow-hover: 0 8px 24px rgba(13, 59, 46, 0.10);
  --shadow-btn: 0 6px 16px rgba(217, 164, 65, 0.30);
  --space-section: 96px;
  --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
  --font-en: "Inter", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-cn);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.25s ease;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
  border: none;
}

button {
  font-family: var(--font-cn);
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: var(--font-cn);
  font-size: 14px;
}

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

.section {
  padding: var(--space-section) 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: 32px;
  line-height: 1.25;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-head .section-desc {
  color: var(--text-sub);
  font-size: 15px;
  max-width: 560px;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
  font-family: var(--font-en);
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  background: rgba(247, 245, 241, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(13, 59, 46, 0.06);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background: rgba(247, 245, 241, 0.96);
  box-shadow: 0 4px 20px rgba(13, 59, 46, 0.06);
}

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

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

.brand-mark {
  width: 42px;
  height: 42px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.brand-mark::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 14px;
  height: 6px;
  background: var(--accent);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  opacity: 0.9;
}

.brand-letters {
  font-family: var(--font-en);
  font-size: 17px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--font-en);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.01em;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0 auto;
}

.nav-link {
  font-size: 15px;
  color: var(--text-sub);
  padding: 6px 0 4px;
  position: relative;
  font-weight: 500;
  transition: color 0.25s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

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

.nav-link:hover::after {
  width: 100%;
}

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

.nav-link.active::after {
  width: 100%;
  background: var(--accent);
}

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

.search-box {
  display: flex;
  align-items: center;
  position: relative;
}

.search-box input {
  width: 180px;
  height: 38px;
  border: 1px solid transparent;
  border-radius: var(--radius-input);
  background: rgba(13, 59, 46, 0.06);
  padding: 0 14px 0 36px;
  font-size: 13px;
  color: var(--text);
  outline: none;
  transition: all 0.3s ease;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-box input:focus {
  width: 260px;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(217, 164, 65, 0.15);
  background: var(--white);
}

.search-box svg {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.header-btn {
  height: 44px;
  padding: 0 20px;
  background: var(--primary);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.25s ease;
}

.header-btn:hover {
  background: var(--accent);
  color: var(--primary-deeper);
  box-shadow: var(--shadow-btn);
  transform: translateY(-1px);
}

.header-btn svg {
  width: 16px;
  height: 16px;
  transition: transform 0.25s ease;
}

.header-btn:hover svg {
  transform: translateX(4px);
}

.burger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--primary-deeper);
  z-index: 200;
  padding: 80px 32px 40px;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-size: 20px;
  color: var(--white);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-weight: 500;
}

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

.mobile-menu .close-btn {
  position: absolute;
  top: 16px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.mobile-menu .close-btn svg {
  width: 22px;
  height: 22px;
}

/* ===== Hero ===== */
.category-hero {
  padding: 72px 0 64px;
  position: relative;
  background: linear-gradient(135deg, rgba(13, 59, 46, 0.96), rgba(11, 46, 34, 0.92)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: var(--white);
}

.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 880px;
}

.category-hero .eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
}

.category-hero h1 {
  font-size: 40px;
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.category-hero h1 span {
  color: var(--accent);
}

.category-hero p {
  font-size: 16px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.72);
  max-width: 680px;
  margin-bottom: 32px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-meta-item .num {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
}

.hero-meta-item .label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

/* ===== Category Page Divider ===== */
.page-divider {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ===== Feature Cards ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border: 1px solid rgba(13, 59, 46, 0.06);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}

.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(13, 59, 46, 0.20);
}

.feature-icon {
  width: 46px;
  height: 46px;
  background: rgba(13, 59, 46, 0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--primary);
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.65;
}

/* ===== Info Grid with Images ===== */
.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.media-card {
  background: var(--white);
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid rgba(13, 59, 46, 0.06);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}

.media-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.media-card .thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}

.media-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.media-card .card-body {
  padding: 20px;
}

.media-card .tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--primary);
  background: rgba(168, 198, 134, 0.18);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.media-card h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: 8px;
}

.media-card p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
}

/* ===== Quote / Deep Block ===== */
.quote-block {
  background: var(--primary-dark);
  position: relative;
  overflow: hidden;
}

.quote-block::after {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(217, 164, 65, 0.25);
  border-radius: 50%;
  pointer-events: none;
}

.quote-content {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

.quote-text h2 {
  font-size: 28px;
  color: var(--white);
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 16px;
}

.quote-text p {
  color: rgba(255, 255, 255, 0.70);
  font-size: 15px;
  line-height: 1.75;
}

.quote-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.quote-stat-item {
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-card);
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.quote-stat-item .num {
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  font-feature-settings: "tnum";
  line-height: 1.2;
}

.quote-stat-item .label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.60);
  margin-top: 6px;
}

/* ===== Steps ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.step-item {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  border: 1px solid rgba(13, 59, 46, 0.06);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}

.step-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.step-item::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: 14px;
}

.step-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.step-item p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.65;
}

/* ===== FAQ ===== */
.faq-wrap {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  align-items: start;
}

.faq-side {
  position: sticky;
  top: 88px;
}

.faq-side h2 {
  font-size: 28px;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.3;
}

.faq-side p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}

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

.faq-item {
  background: var(--white);
  border: 1px solid rgba(13, 59, 46, 0.08);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(13, 59, 46, 0.18);
}

.faq-item.open {
  box-shadow: var(--shadow-card);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: color 0.25s ease;
}

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

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(13, 59, 46, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  transition: all 0.3s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.faq-icon::before {
  width: 12px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 12px;
}

.faq-item.open .faq-icon {
  background: var(--accent);
  transform: rotate(180deg);
}

.faq-item.open .faq-icon::after {
  opacity: 0;
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-a p {
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.75;
}

/* ===== CTA Band ===== */
.cta-band {
  background: var(--primary-deeper);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217, 164, 65, 0.4), transparent);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-text h2 {
  color: var(--white);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 10px;
}

.cta-text p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 15px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  background: var(--accent);
  color: var(--primary-deeper);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  transition: all 0.25s ease;
  box-shadow: 0 4px 12px rgba(217, 164, 65, 0.25);
}

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

.btn-primary svg {
  width: 17px;
  height: 17px;
  transition: transform 0.25s ease;
}

.btn-primary:hover svg {
  transform: translateX(4px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--white);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-btn);
  transition: all 0.25s ease;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.6);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-deeper);
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 0 24px;
  font-size: 14px;
  line-height: 1.75;
}

.footer-grid {
  display: grid;
  grid-template-columns: 4fr 2fr 3fr 3fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
}

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

.footer-brand .brand-mark {
  background: rgba(255, 255, 255, 0.95);
}

.footer-brand .brand-name {
  color: var(--white);
}

.footer-brand .brand-sub {
  color: rgba(255, 255, 255, 0.55);
}

.footer-brand > p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 20px;
  max-width: 340px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.social-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.20);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.60);
  transition: all 0.25s ease;
}

.social-circle svg {
  width: 15px;
  height: 15px;
}

.social-circle:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--primary-deeper);
  transform: translateY(-2px);
}

.footer-col h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  padding: 6px 0;
  transition: all 0.25s ease;
}

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

.footer-col span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  padding: 6px 0;
}

.footer-col span svg {
  width: 14px;
  height: 14px;
  color: var(--accent);
  flex-shrink: 0;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.30);
}

.footer-bottom .tech-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-bottom .tech-info span + span {
  position: relative;
}

.footer-bottom .tech-info span + span::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 50%;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-50%);
}

.back-top {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.65);
  transition: all 0.25s ease;
}

.back-top svg {
  width: 16px;
  height: 16px;
}

.back-top:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--primary-deeper);
  transform: translateY(-3px);
}

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .media-card:hover .thumb img {
    transform: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .search-box input {
    width: 160px;
  }
  .search-box input:focus {
    width: 220px;
  }
  .footer-grid {
    grid-template-columns: 2fr 2fr 3fr;
    gap: 32px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 991px) {
  :root {
    --space-section: 72px;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .media-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .faq-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .faq-side {
    position: static;
  }
  .quote-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .nav-links {
    gap: 20px;
  }
}

@media (max-width: 767px) {
  :root {
    --space-section: 56px;
  }
  .nav-links {
    display: none;
  }
  .search-box {
    display: none;
  }
  .burger {
    display: flex;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 32px;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .category-hero h1 {
    font-size: 30px;
  }
  .category-hero {
    padding: 56px 0 48px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .media-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .quote-stats {
    grid-template-columns: 1fr 1fr;
  }
  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }
}

@media (max-width: 575px) {
  .container {
    padding: 0 16px;
  }
  .card-title {
    font-size: 24px;
  }
  .quote-stats {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-brand {
    grid-column: 1;
  }
  .hero-meta {
    gap: 16px;
    flex-direction: column;
  }
  .btn-primary, .btn-ghost {
    width: 100%;
    justify-content: center;
  }
}