:root{
  --primary:var(--primary);
  --primary-dark:var(--primary-dark);
  --bg:#ca8a04;
  --font:'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --accent: var(--primary);
  --accent-light: var(--primary-dark);
  --accent-dark: #ca8a04;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --white: #ffffff;
  --radius: 4px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.08);
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--gray-800); background: var(--white); line-height: 1.6; }

/* ============ TOP NAVBAR ============ */
.navbar { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(255,255,255,0.95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--gray-200); }
.nav-container { display: flex; justify-content: space-between; align-items: center; height: 72px; }
.logo { font-size: 18px; font-weight: 700; color: var(--gray-900); text-decoration: none; letter-spacing: 1px; }
.logo img { height: 36px; width: auto; }
.nav-menu { display: flex; list-style: none; gap: 32px; margin: 0; padding: 0; }
.nav-menu a { text-decoration: none; color: var(--gray-600); font-size: 14px; font-weight: 500; padding: 4px 0; transition: var(--transition); position: relative; }
.nav-menu a::after { content: ''; position: absolute; bottom: 2px; left: 0; width: 0; height: 2px; background: var(--accent); transition: var(--transition); }
.nav-menu a:hover, .nav-menu a.active { color: var(--gray-900); }
.nav-menu a.active::after, .nav-menu a:hover::after { width: 100%; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { width: 24px; height: 2px; background: var(--gray-900); border-radius: 2px; transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ SIDEBAR NAV ============ */
.page-wrap { display: block; min-height: 0; }
.nav-side { position: fixed; left: 0; top: 0; width: 220px; height: 100vh; background: var(--gray-50); border-right: 1px solid var(--gray-200); z-index: 100; display: flex; flex-direction: column; transition: var(--transition); }
.nav-side-inner { display: flex; flex-direction: column; height: 100%; padding: 40px 24px; }
.nav-logo { margin-bottom: 48px; }
.nav-logo a { text-decoration: none; display: flex; align-items: center; gap: 8px; }
.logo-icon { font-size: 24px; color: var(--accent); }
.logo-text { font-size: 18px; font-weight: 700; color: var(--gray-900); letter-spacing: 1px; }
.nav-links { list-style: none; flex: 1; display: flex; flex-direction: column; gap: 2px; }
.nav-links a { display: flex; align-items: center; gap: 10px; padding: 12px 14px; text-decoration: none; color: var(--gray-500); font-size: 14px; font-weight: 500; border-radius: var(--radius); transition: var(--transition); position: relative; }
.nav-links a:hover { color: var(--gray-900); background: var(--white); }
.nav-links a.active { color: var(--gray-900); background: var(--white); box-shadow: var(--shadow-sm); }
.link-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gray-300); transition: var(--transition); }
.nav-links a.active .link-dot { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.nav-links a:hover .link-dot { background: var(--accent); }
.nav-side-footer { padding-top: 24px; border-top: 1px solid var(--gray-200); }
.nav-side-phone { font-size: 14px; font-weight: 600; color: var(--gray-800); margin-bottom: 4px; }
.nav-side-email { font-size: 12px; color: var(--gray-400); }
.nav-toggle { display: none; position: fixed; top: 16px; right: 16px; z-index: 200; background: var(--white); border: 1px solid var(--gray-200); width: 44px; height: 44px; border-radius: var(--radius); cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; box-shadow: var(--shadow-sm); }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--gray-800); transition: var(--transition); border-radius: 1px; }
.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); }

/* ============ MAIN CONTENT ============ */
.main { margin-left: 0; width: 100%; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 32px; }
.section { padding: 100px 0; }

/* ============ HERO ============ */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; background: var(--gray-50); }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(249,250,251,0.95) 40%, rgba(249,250,251,0.7) 70%, rgba(249,250,251,0.85) 100%); pointer-events: none; }
.hero-content { position: relative; z-index: 2; max-width: 580px; margin: 0 auto; text-align: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 16px; background: var(--white); border: 1px solid var(--gray-200); font-size: 12px; font-weight: 600; color: var(--gray-600); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 28px; }
.hero-content h1 { font-size: clamp(48px, 6vw, 80px); line-height: 1.05; font-weight: 800; color: var(--gray-900); letter-spacing: -2px; margin-bottom: 20px; }
.hero-content .hlt { color: var(--accent); position: relative; display: inline-block; }
.hero-content .hlt::after { content: ''; position: absolute; bottom: 4px; left: 0; right: 0; height: 8px; background: var(--accent-light); z-index: -1; }
.hero-desc { font-size: 18px; color: var(--gray-500); line-height: 1.7; margin: 0 auto 40px; max-width: 480px; }
.hero-actions { display: flex; justify-content: center; gap: 16px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 16px 36px; text-decoration: none; font-weight: 600; font-size: 14px; border-radius: var(--radius); transition: var(--transition); cursor: pointer; border: none; letter-spacing: 0.5px; }
.btn-primary { background: var(--gray-900); color: var(--white); }
.btn-primary:hover { background: var(--accent); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(234,179,8,0.3); }
.btn-outline { background: transparent; color: var(--gray-700); border: 2px solid var(--gray-300); }
.btn-outline:hover { border-color: var(--gray-900); color: var(--gray-900); transform: translateY(-2px); }
.btn-lg { padding: 18px 48px; font-size: 16px; }
.hero-scroll { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 12px; }
.hero-scroll span { font-size: 11px; color: var(--gray-400); letter-spacing: 3px; text-transform: uppercase; }
.scroll-line { width: 1px; height: 40px; background: var(--gray-300); position: relative; overflow: hidden; }
.scroll-line::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 50%; background: var(--accent); animation: scrollDown 1.5s ease-in-out infinite; }
@keyframes scrollDown { 0% { top: -50%; } 100% { top: 100%; } }

/* ============ SECTION HEADERS ============ */
.sec-header { margin-bottom: 56px; }
.sec-label { display: inline-block; font-size: 12px; font-weight: 600; color: var(--gray-400); letter-spacing: 4px; text-transform: uppercase; margin-bottom: 8px; }
.sec-title { font-size: clamp(32px, 4vw, 48px); font-weight: 700; color: var(--gray-900); letter-spacing: -1px; }
.sec-title-sm { font-size: clamp(28px, 3vw, 40px); font-weight: 700; color: var(--gray-900); letter-spacing: -1px; }

/* ============ PHILOSOPHY ============ */
.sec-philosophy { background: var(--gray-50); }
.phil-wrap { text-align: center; max-width: 720px; margin: 0 auto; }
.phil-icon { display: inline-flex; width: 56px; height: 56px; align-items: center; justify-content: center; background: var(--white); border: 1px solid var(--gray-200); font-size: 22px; color: var(--accent); margin-bottom: 24px; border-radius: 50%; }
.phil-text { font-size: 16px; color: var(--gray-500); line-height: 1.9; margin-bottom: 48px; }
.phil-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.ps-item { background: var(--white); padding: 32px 20px; border: 1px solid var(--gray-100); }
.ps-num { display: block; font-size: 36px; font-weight: 800; color: var(--gray-900); margin-bottom: 4px; }
.ps-label { font-size: 13px; color: var(--gray-400); }

/* ============ SERVICES ============ */
.service-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.svc-card { padding: 36px; border: 1px solid var(--gray-200); transition: var(--transition); position: relative; background: var(--white); }
.svc-card:hover { border-color: var(--gray-900); transform: translateY(-4px); box-shadow: var(--shadow); }
.svc-num { font-size: 48px; font-weight: 800; color: var(--gray-100); line-height: 1; margin-bottom: 16px; transition: var(--transition); }
.svc-card:hover .svc-num { color: var(--accent); }
.svc-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; }
.svc-card p { font-size: 14px; color: var(--gray-500); line-height: 1.7; margin-bottom: 16px; }
.svc-link { font-size: 13px; font-weight: 600; color: var(--gray-900); text-decoration: none; transition: var(--transition); }
.svc-link:hover { color: var(--accent); }

/* ============ WORKS ============ */
.sec-works { background: var(--gray-50); }
.works-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.work-card-lg { grid-column: span 1; grid-row: span 2; }
.work-card { position: relative; overflow: hidden; cursor: pointer; border-radius: var(--radius); }
.work-img { width: 100%; height: 100%; min-height: 280px; background-size: cover; background-position: center; transition: transform 0.6s ease; }
.work-card-lg .work-img { min-height: 576px; }
.work-card:hover .work-img { transform: scale(1.05); }
.work-info { position: absolute; bottom: 0; left: 0; right: 0; padding: 24px; background: linear-gradient(transparent, rgba(0,0,0,0.6)); color: var(--white); }
.work-info h3 { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.work-info span { font-size: 13px; opacity: 0.7; }
.works-more { text-align: center; margin-top: 40px; }

/* ============ TESTIMONIALS ============ */
.testi-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.testi-card { padding: 36px; background: var(--gray-50); border: 1px solid var(--gray-100); transition: var(--transition); }
.testi-card:hover { border-color: var(--gray-200); box-shadow: var(--shadow); }
.testi-quote { font-size: 48px; line-height: 1; color: var(--accent); margin-bottom: 12px; font-family: Georgia, serif; }
.testi-card p { font-size: 14px; color: var(--gray-600); line-height: 1.8; margin-bottom: 24px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-avatar { width: 40px; height: 40px; border-radius: 50%; }
.testi-author strong { font-size: 14px; color: var(--gray-800); display: block; }
.testi-author span { font-size: 12px; color: var(--gray-400); }

/* ============ CTA ============ */
.sec-cta { padding: 80px 0; }
.cta-box { text-align: center; background: var(--gray-900); padding: 80px 40px; }
.cta-box h2 { font-size: clamp(28px, 3vw, 40px); font-weight: 700; color: var(--white); margin-bottom: 12px; }
.cta-box p { font-size: 16px; color: var(--gray-400); margin-bottom: 32px; }
.cta-box .btn-primary { background: var(--accent); color: var(--gray-900); }
.cta-box .btn-primary:hover { background: var(--white); box-shadow: 0 8px 24px rgba(255,255,255,0.15); }

/* ============ FOOTER ============ */
.footer { background: var(--gray-900); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 40px; padding-bottom: 40px; }
.footer-grid h3 { font-size: 16px; font-weight: 700; color: var(--white); letter-spacing: 1px; margin-bottom: 12px; }
.footer-grid h4 { font-size: 12px; font-weight: 600; color: var(--gray-400); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px; }
.footer-links, .footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-links a { display: block; color: var(--gray-500); text-decoration: none; font-size: 13px; padding: 4px 0; transition: var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-contact li { display: flex; gap: 8px; align-items: baseline; font-size: 13px; color: var(--gray-500); padding: 3px 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: 12px; color: var(--gray-600); }

/* ============ INNER PAGES ============ */
.page-header { position: relative; padding: 120px 0 80px; margin-top: 0; background: var(--gray-50); }
.page-header .container { position: relative; z-index: 2; }
.page-header h1 { font-size: clamp(36px, 4vw, 56px); font-weight: 800; color: var(--gray-900); letter-spacing: -1px; margin-bottom: 8px; }
.page-header p { font-size: 16px; color: var(--gray-500); }
.page-section { padding: 80px 0; }

/* ============ ABOUT ============ */
.about-wrap { max-width: 800px; }
.about-wrap p { font-size: 15px; color: var(--gray-600); line-height: 1.9; margin-bottom: 16px; }
.timeline { position: relative; padding-left: 32px; margin-top: 48px; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 1px; background: var(--gray-200); }
.tl-item { position: relative; padding-bottom: 32px; }
.tl-item::before { content: ''; position: absolute; left: -32px; top: 6px; width: 9px; height: 9px; border-radius: 50%; background: var(--white); border: 2px solid var(--accent); }
.tl-item h3 { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.tl-item .tl-year { font-size: 13px; color: var(--accent); font-weight: 600; margin-bottom: 4px; }
.tl-item p { font-size: 14px; color: var(--gray-500); }

/* ============ PRODUCTS ============ */
.prod-filter { display: flex; gap: 8px; margin-bottom: 40px; flex-wrap: wrap; }
.prod-filter button { padding: 10px 24px; border: 1px solid var(--gray-200); background: var(--white); border-radius: var(--radius); font-size: 13px; cursor: pointer; transition: var(--transition); color: var(--gray-600); font-weight: 500; }
.prod-filter button.active { background: var(--gray-900); color: var(--white); border-color: var(--gray-900); }
.prod-filter button:hover:not(.active) { border-color: var(--gray-900); }
.prod-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.prod-card { border: 1px solid var(--gray-200); overflow: hidden; transition: var(--transition); background: var(--white); }
.prod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--gray-300); }
.prod-card-img { height: 220px; background-size: cover; background-position: center; }
.prod-card-body { padding: 20px; }
.prod-card-body h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.prod-card-body p { font-size: 13px; color: var(--gray-500); }
.prod-card-body .prod-tag { display: inline-block; margin-top: 10px; padding: 4px 12px; background: var(--accent-light); color: var(--accent-dark); font-size: 11px; font-weight: 600; border-radius: 2px; }

/* ============ NEWS ============ */
.news-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.news-card { display: flex; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--gray-100); }
.news-card-img { width: 180px; min-height: 120px; background-size: cover; background-position: center; flex-shrink: 0; }
.news-card-body { flex: 1; }
.news-card-body .news-date { font-size: 12px; color: var(--gray-400); margin-bottom: 6px; display: block; }
.news-card-body h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.news-card-body h3 a { color: var(--gray-900); text-decoration: none; transition: var(--transition); }
.news-card-body h3 a:hover { color: var(--accent); }
.news-card-body p { font-size: 13px; color: var(--gray-500); }

/* ============ CONTACT ============ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info-item { padding: 20px 0; border-bottom: 1px solid var(--gray-100); }
.contact-info-item h4 { font-size: 13px; color: var(--gray-400); font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 4px; }
.contact-info-item p { font-size: 15px; color: var(--gray-800); }
.contact-form .form-row { margin-bottom: 20px; }
.contact-form input, .contact-form textarea { width: 100%; padding: 14px 18px; border: 1px solid var(--gray-200); font-size: 14px; font-family: var(--font); transition: var(--transition); outline: none; background: var(--white); color: var(--gray-800); }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--gray-900); }
.contact-form textarea { resize: vertical; min-height: 140px; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .nav-side { left: -220px; }
  .nav-side.active { left: 0; box-shadow: var(--shadow-lg); }
  .main { margin-left: 0; width: 100%; }
  .nav-toggle { display: flex; }
  .hero-content { max-width: 520px; }
  .hero-scroll { left: 50%; }
  .works-grid { grid-template-columns: 1fr 1fr; }
  .work-card-lg { grid-row: span 1; }
  .work-card-lg .work-img { min-height: 280px; }
  .testi-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 60px 0; }
  .nav-menu { position: fixed; top: 72px; left: -100%; width: 75%; height: calc(100vh - 72px); background: var(--white); flex-direction: column; padding: 32px; gap: 20px; box-shadow: var(--shadow-lg); transition: var(--transition); }
  .nav-menu.active { left: 0; }
  .hamburger { display: flex; }
  .hero-content { padding: 0 16px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-scroll { display: none; }
  .phil-stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .service-grid { grid-template-columns: 1fr; }
  .works-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .news-card { flex-direction: column; }
  .news-card-img { width: 100%; height: 200px; }
  .prod-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .page-header { padding: 100px 0 60px; }
  .page-section { padding: 40px 0; }
  .cta-box { padding: 48px 24px; }
}

@media (max-width: 480px) {
  .phil-stats { grid-template-columns: 1fr; }
  .prod-filter { flex-wrap: nowrap; overflow-x: auto; }
}

/* ===== CMS 共享：列表 / 详情 / 分页（跨主题一致外观） ===== */
.cms-section{padding:140px 0 64px;}
.cms-section .container{max-width:1200px;margin:0 auto;padding:0 20px;}
.cms-section .section-title{font-size:30px;font-weight:800;text-align:center;margin-bottom:8px;}
.cms-section .section-title span{color:var(--primary);}
.cms-section .section-subtitle{text-align:center;color:#888;margin-bottom:36px;}
.cms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:26px;}
.cms-card{display:block;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 8px 26px rgba(0,0,0,.07);transition:.25s;text-decoration:none;color:inherit;}
.cms-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.12);}
.cms-card img{width:100%;height:200px;object-fit:cover;display:block;}
.cms-card h3{margin:0;padding:18px 18px 4px;font-size:18px;}
.cms-card p{padding:0 18px 18px;color:#777;font-size:14px;margin:0;}
.cms-detail{max-width:860px;margin:0 auto;padding:0 20px;}
.cms-detail img{max-width:100%;border-radius:14px;margin:18px 0;}
.cms-detail h1{font-size:34px;margin:10px 0 6px;}
.cms-detail .lead{color:#888;font-size:16px;}
.cms-content{line-height:1.9;color:#444;margin-top:18px;}
.cms-content img{max-width:100%;}
.cms-back{display:inline-block;margin:8px 0 18px;color:var(--primary);text-decoration:none;font-weight:600;}
.cms-pager{margin:34px 0;text-align:center;}
.cms-pager a,.cms-pager span{padding:8px 14px;margin:0 3px;border-radius:8px;background:#fff;color:#444;text-decoration:none;box-shadow:0 2px 8px rgba(0,0,0,.06);}
.cms-pager .active{background:var(--primary);color:#fff;}
.contact-form{max-width:640px;margin:18px auto 0;display:grid;gap:14px;}
.contact-form input,.contact-form textarea,.contact-form select{
  width:100%;padding:12px 14px;border:1px solid #e3e3e3;border-radius:10px;font-size:15px;font-family:inherit;}
.contact-form textarea{min-height:120px;resize:vertical;}
.contact-form .btn-primary{background:var(--primary);color:#fff;padding:12px 22px;border-radius:10px;font-weight:700;border:none;cursor:pointer;}
.amber-bar{width:54px;height:4px;background:var(--primary);border-radius:3px;margin:0 auto 14px;}
.form-alert{padding:12px 14px;border-radius:10px;margin-bottom:12px;font-size:14px;}
.form-alert-ok{background:#eafaf0;color:#1c7a43;}
.form-alert-err{background:#fdecea;color:#b42318;}
.form-alert-err ul{margin:6px 0 0;padding-left:18px;}