/* ============================================================
   选矿设备企业门户 — 设计系统 v6  工业深色强调风格
   江西宝亿矿山机械有限公司
   ============================================================ */
:root {
  --brand:       #d97706;
  --brand-dark:  #b45309;
  --brand-light: #fef3c7;
  --brand-50:    #fffbeb;
  --brand-glow:  rgba(217,119,6,.18);

  --accent:      #0369a1;
  --accent-light:#e0f2fe;

  --gray-900: #0f172a;
  --gray-800: #1e293b;
  --gray-700: #334155;
  --gray-600: #475569;
  --gray-500: #64748b;
  --gray-400: #94a3b8;
  --gray-300: #cbd5e1;
  --gray-200: #e2e8f0;
  --gray-100: #f1f5f9;
  --gray-50:  #f8fafc;
  --white:    #ffffff;

  --success: #16a34a;
  --danger:  #dc2626;
  --warning: #d97706;
  --info:    #0284c7;

  --r-xl: 18px;
  --r-lg: 12px;
  --r-md: 8px;
  --r-sm: 6px;

  --s-xs: 0 1px 3px rgba(0,0,0,.06);
  --s-sm: 0 2px 10px rgba(0,0,0,.07), 0 1px 3px rgba(0,0,0,.04);
  --s-md: 0 8px 28px rgba(0,0,0,.09), 0 3px 8px rgba(0,0,0,.05);
  --s-lg: 0 20px 52px rgba(0,0,0,.11), 0 8px 16px rgba(0,0,0,.06);
  --s-brand: 0 4px 20px rgba(217,119,6,.3);

  --container: 1240px;
  --header-h:  72px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background: var(--white);
  color: var(--gray-800);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
h1,h2,h3,h4,h5,h6 { margin: 0; line-height: 1.2; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
main { display: block; }

/* ===== Layout ===== */
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.page-shell { min-height: 100vh; display: flex; flex-direction: column; background: var(--white); }
.section { padding: 96px 0; background: var(--white); }
.section-muted { background: var(--gray-50); }
.section-dark { background: var(--gray-900); }

/* ===== Typography ===== */
.kicker {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 999px;
  background: var(--brand-light); color: var(--brand-dark);
  font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  margin-bottom: 14px;
}
.kicker::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--brand); flex-shrink: 0; }
.kicker-white { background: rgba(255,255,255,.15); color: rgba(255,255,255,.9); }
.kicker-white::before { background: var(--brand); }
.section-title { font-size: 36px; font-weight: 800; color: var(--gray-900); letter-spacing: -.025em; margin-bottom: 14px; line-height: 1.18; }
.section-title-white { color: var(--white); }
.section-desc { color: var(--gray-600); font-size: 16px; max-width: 580px; line-height: 1.8; }
.section-desc-white { color: rgba(255,255,255,.65); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 52px; }
.section-head-left { flex: 1; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  min-height: 46px; padding: 0 24px; border-radius: var(--r-md);
  border: 1.5px solid transparent; font-weight: 600; font-size: 14px;
  transition: all .18s ease; cursor: pointer; white-space: nowrap; line-height: 1;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: none; }

.btn-primary { background: var(--gray-900); color: var(--white); border-color: var(--gray-900); }
.btn-primary:hover { background: var(--gray-800); box-shadow: 0 4px 14px rgba(15,23,42,.25); }

.btn-accent { background: var(--brand); color: var(--white); border-color: var(--brand); box-shadow: var(--s-brand); }
.btn-accent:hover { background: var(--brand-dark); box-shadow: 0 6px 24px rgba(217,119,6,.4); }

.btn-outline { background: transparent; border-color: var(--gray-300); color: var(--gray-700); }
.btn-outline:hover { border-color: var(--brand); color: var(--brand-dark); background: var(--brand-50); }

.btn-ghost-white { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.35); color: var(--white); }
.btn-ghost-white:hover { background: rgba(255,255,255,.22); border-color: rgba(255,255,255,.6); }

.btn-white { background: var(--white); border-color: var(--gray-300); color: var(--gray-800); }
.btn-white:hover { background: var(--gray-50); border-color: var(--gray-400); }

.btn-sm { min-height: 36px; padding: 0 16px; font-size: 13px; }
.btn-lg { min-height: 54px; padding: 0 36px; font-size: 15px; border-radius: var(--r-lg); }
.btn-xl { min-height: 60px; padding: 0 44px; font-size: 16px; border-radius: var(--r-lg); font-weight: 700; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 200;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: 0 1px 8px rgba(0,0,0,.06);
  transition: box-shadow .2s;
}
.site-header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,.1); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-logo {
  width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  display: grid; place-items: center;
  color: var(--white); font-weight: 900; font-size: 13px;
  box-shadow: 0 2px 10px rgba(217,119,6,.3);
}
.brand-logo-image,
.footer-brand-logo-image {
  background: var(--white);
  border: 1px solid var(--gray-200);
  box-shadow: var(--s-sm);
}
.brand-logo-img { width: 100%; height: 100%; object-fit: contain; border-radius: inherit; }
.brand-name { font-size: 15px; font-weight: 800; color: var(--gray-900); line-height: 1.2; }
.brand-tagline { font-size: 11px; color: var(--gray-400); margin-top: 1px; }
.nav-links { display: flex; align-items: center; gap: 2px; flex: 1; justify-content: center; }
.nav-links a {
  padding: 6px 12px; border-radius: var(--r-sm);
  font-size: 14px; font-weight: 500; color: var(--gray-600);
  transition: all .15s; position: relative;
}
.nav-links a:hover { color: var(--gray-900); background: var(--gray-100); }
.nav-links a.active { color: var(--brand-dark); font-weight: 700; }
.nav-links a.active::after {
  content: ""; position: absolute; bottom: -1px; left: 8px; right: 8px;
  height: 2px; background: var(--brand); border-radius: 2px;
}
.nav-hotline { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--gray-700); font-weight: 600; }
.nav-hotline-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--brand-light); display: grid; place-items: center; font-size: 12px; }
.nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.mobile-toggle { display: none; border: none; background: none; font-size: 22px; color: var(--gray-700); cursor: pointer; padding: 4px; }

/* ===== Hero Carousel — 全屏轮播大图 ===== */
.hero-carousel {
  position: relative; width: 100%; height: 75vh; min-height: 480px; max-height: 720px;
  overflow: hidden; background: #0c1929;
}
.hero-slides { width: 100%; height: 100%; position: relative; }
.hero-slide {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0;
  transition: opacity 1.2s ease-in-out;
}
.hero-slide.active { opacity: 1; }

/* 底部渐变遮罩 + 文字 */
.hero-overlay {
  position: absolute; bottom: 0; left: 0; right: 0; z-index: 2;
  padding: 120px 0 56px;
  background: linear-gradient(to top, rgba(12,25,41,.92) 0%, rgba(12,25,41,.55) 50%, transparent 100%);
  text-align: center;
}
.hero-headline {
  font-size: 44px; font-weight: 900; color: #fff; line-height: 1.2;
  letter-spacing: -.02em; margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,.4);
}
.hero-headline strong { color: var(--brand); }
.hero-tagline {
  font-size: 16px; color: rgba(255,255,255,.78); max-width: 640px; margin: 0 auto 32px; line-height: 1.8;
}
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-cta .btn-white {
  background: rgba(255,255,255,.15); color: #fff; border: 1px solid rgba(255,255,255,.35);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.hero-cta .btn-white:hover { background: rgba(255,255,255,.25); }

/* 圆点指示器 */
.hero-dots {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 10px; z-index: 3;
}
.hero-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,.4); cursor: pointer;
  transition: all .3s; border: none;
}
.hero-dot.active { background: var(--brand); width: 28px; border-radius: 5px; }

/* 左右箭头 */
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 48px; height: 48px; border-radius: 50%; border: none;
  background: rgba(0,0,0,.3); color: #fff; font-size: 20px;
  cursor: pointer; backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  transition: background .2s; display: grid; place-items: center;
}
.hero-arrow:hover { background: rgba(0,0,0,.55); }
.hero-arrow-l { left: 24px; }
.hero-arrow-r { right: 24px; }

/* ===== 数据指标条 ===== */
.hero-stats-bar {
  background: var(--brand); color: #fff; position: relative; z-index: 2;
}
.hero-stats-inner {
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.hero-stat {
  text-align: center; padding: 22px 12px;
  border-right: 1px solid rgba(255,255,255,.2);
  transition: background .2s;
}
.hero-stat:last-child { border-right: none; }
.hero-stat:hover { background: rgba(0,0,0,.1); }
.hero-stat-val { font-size: 28px; font-weight: 900; line-height: 1; margin-bottom: 4px; }
.hero-stat-lbl { font-size: 13px; opacity: .85; letter-spacing: .04em; }

/* ===== 核心服务条 ===== */
.hero-services {
  background: #fff; border-bottom: 1px solid var(--gray-200); padding: 48px 0;
}
.hero-svc-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
}
.hero-svc-item {
  text-align: center; padding: 24px 16px;
  border-radius: var(--r-lg); transition: all .2s;
  border: 1px solid transparent;
}
.hero-svc-item:hover { background: var(--gray-50); border-color: var(--gray-200); box-shadow: var(--s-sm); }
.hero-svc-icon { font-size: 32px; margin-bottom: 14px; }
.hero-svc-item h3 { font-size: 16px; font-weight: 700; color: var(--gray-900); margin: 0 0 8px; }
.hero-svc-item p { font-size: 13px; color: var(--gray-500); line-height: 1.7; margin: 0; }

/* ===== Cards ===== */
.card {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--s-sm); transition: all .25s ease;
  display: flex; flex-direction: column; position: relative;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--s-md); border-color: var(--gray-300); }
.card::after { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--brand), #f97316); opacity: 0; transition: opacity .25s; }
.card:hover::after { opacity: 1; }
.card-img { aspect-ratio: 4/3; overflow: hidden; background: var(--gray-100); position: relative; }
.card-img img { width: 100%; height: 100%; object-fit: contain; padding: 12px; background: var(--white); transition: transform .5s ease; }
.card:hover .card-img img { transform: scale(1.06); }
.card-img-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.4) 0%, transparent 50%); opacity: 0; transition: opacity .25s; }
.card:hover .card-img-overlay { opacity: 1; }
.card-body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card-tag { display: inline-flex; align-self: flex-start; padding: 3px 10px; border-radius: 4px; background: var(--brand-light); color: var(--brand-dark); font-size: 11px; font-weight: 700; }
.card-title { font-size: 16px; font-weight: 700; color: var(--gray-900); line-height: 1.4; }
.card-title a { color: inherit; transition: color .15s; }
.card-title a:hover { color: var(--brand); }
.card-desc { font-size: 14px; color: var(--gray-600); line-height: 1.75; flex: 1; }
.card-meta { display: flex; flex-wrap: wrap; gap: 5px 12px; font-size: 12px; color: var(--gray-500); }
.card-specs { display: flex; flex-wrap: wrap; gap: 5px; }
.spec-chip { padding: 2px 9px; border-radius: 4px; background: var(--gray-100); border: 1px solid var(--gray-200); font-size: 11px; color: var(--gray-700); font-weight: 600; }
.card-actions { display: flex; gap: 8px; flex-wrap: wrap; padding-top: 6px; margin-top: auto; }

/* ===== Grid ===== */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== Page Hero ===== */
.page-hero {
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
  color: var(--white); padding: 64px 0;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .03;
  background-image: linear-gradient(rgba(255,255,255,.8) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.8) 1px, transparent 1px);
  background-size: 50px 50px;
}
.page-hero-inner { position: relative; z-index: 1; }
.page-hero .kicker { background: rgba(217,119,6,.2); color: #fbbf24; border: 1px solid rgba(217,119,6,.3); }
.page-hero .kicker::before { background: var(--brand); }
.page-hero-title { font-size: 42px; font-weight: 900; color: var(--white); letter-spacing: -.03em; margin-bottom: 12px; }
.page-hero-desc { font-size: 15px; color: rgba(255,255,255,.6); max-width: 560px; line-height: 1.85; }
.page-hero-breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 13px; color: rgba(255,255,255,.4); margin-bottom: 20px; }
.page-hero-breadcrumb a { color: rgba(255,255,255,.5); transition: color .15s; }
.page-hero-breadcrumb a:hover { color: var(--white); }
.page-hero-breadcrumb span { color: rgba(255,255,255,.25); }

/* ===== Filter Bar ===== */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 40px; }
.filter-btn {
  padding: 8px 20px; border-radius: 999px;
  background: var(--white); border: 1.5px solid var(--gray-200);
  font-size: 13px; font-weight: 600; color: var(--gray-600);
  cursor: pointer; transition: all .15s; box-shadow: var(--s-xs);
}
.filter-btn:hover { border-color: var(--brand); color: var(--brand-dark); }
.filter-btn.active { background: var(--gray-900); border-color: var(--gray-900); color: var(--white); box-shadow: 0 2px 8px rgba(15,23,42,.2); }

/* ===== States ===== */
.empty-state, .loading-state { grid-column: 1/-1; padding: 80px 20px; text-align: center; color: var(--gray-400); font-size: 15px; }
.spinner { width: 30px; height: 30px; border: 2.5px solid var(--gray-200); border-top-color: var(--brand); border-radius: 50%; animation: spin .7s linear infinite; margin: 0 auto 14px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Feature Cards ===== */
.feature-card {
  padding: 36px; background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--r-lg); box-shadow: var(--s-sm); transition: all .25s;
  position: relative; overflow: hidden;
}
.feature-card::before { content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--brand), #f97316); transform: scaleX(0); transition: transform .25s; transform-origin: left; }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--s-md); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon { width: 52px; height: 52px; border-radius: 12px; background: var(--brand-light); display: grid; place-items: center; font-size: 22px; margin-bottom: 20px; transition: background .25s; }
.feature-card:hover .feature-icon { background: var(--brand); }
.feature-title { font-size: 17px; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; }
.feature-desc { font-size: 14px; color: var(--gray-600); line-height: 1.8; }

/* ===== Process Cards ===== */
.process-card {
  padding: 36px; background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--r-lg); box-shadow: var(--s-sm); position: relative; overflow: hidden; transition: all .25s;
}
.process-card:hover { transform: translateY(-5px); box-shadow: var(--s-md); border-color: rgba(217,119,6,.2); }
.process-num { font-size: 88px; font-weight: 900; color: var(--gray-100); position: absolute; top: -8px; right: 8px; line-height: 1; pointer-events: none; transition: color .25s; }
.process-card:hover .process-num { color: rgba(217,119,6,.08); }
.process-title { font-size: 17px; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; }
.process-desc { font-size: 14px; color: var(--gray-600); line-height: 1.8; }
.process-link { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; font-weight: 600; color: var(--brand); margin-top: 14px; transition: gap .15s; }
.process-link:hover { gap: 8px; }

/* ===== Solution Cards ===== */
.solution-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--s-sm); transition: all .25s; }
.solution-card:hover { transform: translateY(-5px); box-shadow: var(--s-md); }
.solution-card-header { padding: 26px 26px 20px; border-bottom: 1px solid var(--gray-100); border-left: 4px solid var(--brand); }
.solution-num { font-size: 11px; font-weight: 700; color: var(--brand); margin-bottom: 8px; letter-spacing: .08em; }
.solution-title { font-size: 17px; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.solution-desc { font-size: 14px; color: var(--gray-600); line-height: 1.8; }
.solution-card-body { padding: 18px 26px 22px; }
.solution-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.solution-tag { padding: 3px 10px; border-radius: 4px; background: var(--gray-100); color: var(--gray-700); font-size: 12px; font-weight: 600; border: 1px solid var(--gray-200); }

/* ===== Support Cards ===== */
.support-card { padding: 36px; background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--r-lg); box-shadow: var(--s-sm); transition: all .25s; }
.support-card:hover { transform: translateY(-5px); box-shadow: var(--s-md); border-color: rgba(217,119,6,.15); }
.support-icon { width: 52px; height: 52px; border-radius: 12px; background: var(--brand-light); display: grid; place-items: center; font-size: 22px; margin-bottom: 20px; transition: all .25s; }
.support-card:hover .support-icon { background: var(--brand); transform: scale(1.05); }
.support-title { font-size: 17px; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; }
.support-desc { font-size: 14px; color: var(--gray-600); line-height: 1.85; }

/* ===== Why Us Section ===== */
.why-us-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--gray-200); border: 1px solid var(--gray-200); border-radius: var(--r-lg); overflow: hidden; }
.why-us-item { background: var(--white); padding: 36px 28px; text-align: center; transition: background .2s; }
.why-us-item:hover { background: var(--brand-50); }
.why-us-icon { font-size: 32px; margin-bottom: 14px; }
.why-us-value { font-size: 36px; font-weight: 900; color: var(--gray-900); line-height: 1; margin-bottom: 6px; letter-spacing: -.02em; }
.why-us-value em { color: var(--brand); font-style: normal; font-size: 22px; }
.why-us-label { font-size: 14px; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; }
.why-us-desc { font-size: 12px; color: var(--gray-500); line-height: 1.6; }

/* ===== Process Flow ===== */
.flow-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
.flow-steps::before { content: ""; position: absolute; top: 36px; left: 10%; right: 10%; height: 2px; background: linear-gradient(90deg, var(--brand), #f97316); z-index: 0; }
.flow-step { text-align: center; position: relative; z-index: 1; padding: 0 12px; }
.flow-step-num {
  width: 72px; height: 72px; border-radius: 50%; margin: 0 auto 16px;
  background: var(--white); border: 3px solid var(--brand);
  display: grid; place-items: center;
  font-size: 22px; font-weight: 900; color: var(--brand);
  box-shadow: 0 0 0 6px var(--brand-light);
  transition: all .25s;
}
.flow-step:hover .flow-step-num { background: var(--brand); color: var(--white); box-shadow: 0 0 0 6px rgba(217,119,6,.15), var(--s-brand); }
.flow-step-title { font-size: 14px; font-weight: 700; color: var(--gray-900); margin-bottom: 6px; }
.flow-step-desc { font-size: 12px; color: var(--gray-500); line-height: 1.6; }

/* ===== Cert / Partner Strip ===== */
.cert-strip { background: var(--gray-50); border-top: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-200); padding: 40px 0; }
.cert-strip-inner { display: flex; align-items: center; gap: 48px; flex-wrap: wrap; justify-content: center; }
.cert-item { display: flex; align-items: center; gap: 10px; }
.cert-icon { width: 44px; height: 44px; border-radius: 10px; background: var(--brand-light); display: grid; place-items: center; font-size: 20px; flex-shrink: 0; }
.cert-label { font-size: 13px; font-weight: 700; color: var(--gray-800); }
.cert-sub { font-size: 11px; color: var(--gray-500); }

/* ===== Floating Consult Button ===== */
.floating-consult {
  position: fixed; right: 24px; bottom: 80px; z-index: 999;
  display: flex; align-items: center; gap: 8px;
  padding: 14px 22px; border-radius: 50px;
  background: var(--brand); color: var(--white);
  font-size: 15px; font-weight: 700; text-decoration: none;
  box-shadow: 0 6px 24px rgba(234,88,12,.35);
  transition: all .25s ease;
}
.floating-consult:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(234,88,12,.45);
  background: var(--brand-dark, #c2410c);
}
.floating-consult-icon { font-size: 20px; line-height: 1; }
@media (max-width: 768px) {
  .floating-consult { right: 16px; bottom: 24px; padding: 12px 18px; font-size: 14px; }
}

/* ===== CTA Banner ===== */
.cta-banner {
  background: var(--gray-50); padding: 88px 0; text-align: center;
  border-top: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-200);
}
.cta-title { font-size: 36px; font-weight: 800; color: var(--gray-900); margin-bottom: 14px; letter-spacing: -.02em; }
.cta-desc { font-size: 16px; color: var(--gray-600); margin-bottom: 40px; line-height: 1.8; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== Detail Page ===== */
.detail-page { padding: 60px 0 96px; }
.detail-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: start; }
.detail-img-wrap { position: sticky; top: calc(var(--header-h) + 20px); }
.detail-img { border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 4/3; background: var(--gray-100); box-shadow: var(--s-md); }
.detail-img img { width: 100%; height: 100%; object-fit: cover; }
.detail-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 10px; }
.detail-gallery-thumb { aspect-ratio: 1; border-radius: var(--r-sm); overflow: hidden; cursor: pointer; border: 2px solid transparent; transition: border-color .15s; }
.detail-gallery-thumb:hover { border-color: var(--brand); }
.detail-gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.detail-tag { display: inline-flex; padding: 3px 10px; border-radius: 4px; background: var(--brand-light); color: var(--brand-dark); font-size: 11px; font-weight: 700; margin-bottom: 12px; }
.detail-title { font-size: 36px; font-weight: 800; color: var(--gray-900); line-height: 1.2; margin-bottom: 14px; letter-spacing: -.02em; }
.detail-summary { font-size: 15px; color: var(--gray-600); line-height: 1.9; margin-bottom: 26px; }
.detail-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 26px; }
.detail-info-item { padding: 13px 15px; border-radius: var(--r-md); background: var(--gray-50); border: 1px solid var(--gray-200); }
.detail-info-label { font-size: 11px; color: var(--gray-400); margin-bottom: 4px; letter-spacing: .04em; text-transform: uppercase; }
.detail-info-value { font-size: 14px; font-weight: 700; color: var(--gray-900); }
.detail-section { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--gray-200); }
.detail-section-title { font-size: 14px; font-weight: 700; color: var(--gray-900); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.detail-section-title::before { content: ""; width: 3px; height: 14px; background: var(--brand); border-radius: 2px; }
.detail-list { display: grid; gap: 8px; padding: 0; }
.detail-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--gray-700); line-height: 1.7; }
.detail-list li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--brand); flex-shrink: 0; margin-top: 8px; }
.detail-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 30px; }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.spec-item { padding: 11px 13px; border-radius: var(--r-sm); background: var(--gray-50); border: 1px solid var(--gray-200); }
.spec-key { font-size: 11px; color: var(--gray-500); margin-bottom: 3px; }
.spec-val { font-size: 13px; font-weight: 700; color: var(--gray-900); }

/* ===== Contact ===== */
.contact-layout { display: grid; grid-template-columns: 1fr 1.6fr; gap: 28px; align-items: start; }
.contact-info-card {
  background: var(--gray-900); color: var(--white);
  border-radius: var(--r-lg); padding: 38px;
  position: sticky; top: calc(var(--header-h) + 20px);
  box-shadow: var(--s-lg); border-top: 4px solid var(--brand);
}
.contact-info-title { font-size: 20px; font-weight: 800; color: var(--white); margin-bottom: 8px; }
.contact-info-desc { font-size: 14px; color: rgba(255,255,255,.55); line-height: 1.8; margin-bottom: 30px; }
.contact-info-items { display: grid; gap: 20px; margin-bottom: 30px; }
.contact-info-item { display: flex; align-items: flex-start; gap: 13px; }
.contact-info-icon { width: 40px; height: 40px; border-radius: 9px; flex-shrink: 0; background: rgba(255,255,255,.08); display: grid; place-items: center; font-size: 17px; }
.contact-info-label { font-size: 11px; color: rgba(255,255,255,.45); margin-bottom: 3px; letter-spacing: .04em; text-transform: uppercase; }
.contact-info-value { font-size: 14px; font-weight: 600; color: var(--white); }
.contact-hotline-big { font-size: 22px; font-weight: 900; color: var(--brand); letter-spacing: .02em; }
.contact-form-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--r-lg); padding: 38px; box-shadow: var(--s-sm); }
.contact-form-title { font-size: 20px; font-weight: 800; color: var(--gray-900); margin-bottom: 24px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: flex; flex-direction: column; gap: 5px; }
.form-field.full { grid-column: 1/-1; }
.form-label { font-size: 13px; font-weight: 600; color: var(--gray-700); }
.form-label .req { color: var(--danger); margin-left: 2px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 11px 14px;
  border: 1.5px solid var(--gray-200); border-radius: var(--r-sm);
  background: var(--gray-50); color: var(--gray-900); font-size: 14px;
  outline: none; transition: border-color .15s, box-shadow .15s, background .15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(217,119,6,.1); background: var(--white); }
.form-input.error, .form-select.error, .form-textarea.error { border-color: var(--danger); }
.form-textarea { min-height: 120px; resize: vertical; }
.form-submit-row { grid-column: 1/-1; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.form-status { font-size: 14px; }
.form-status.success { color: var(--success); }
.form-status.error { color: var(--danger); }

/* ===== About ===== */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.about-intro-img { border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 4/3; box-shadow: var(--s-md); }
.about-intro-img img { width: 100%; height: 100%; object-fit: cover; }
.about-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 32px; }
.about-stat { padding: 22px; background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--r-md); border-left: 4px solid var(--brand); }
.about-stat-value { font-size: 36px; font-weight: 900; color: var(--gray-900); line-height: 1; margin-bottom: 6px; letter-spacing: -.02em; }
.about-stat-label { font-size: 13px; color: var(--gray-600); }

/* ===== News ===== */
.news-content { font-size: 16px; color: var(--gray-700); line-height: 2; }
.news-content p { margin-bottom: 20px; }

/* ===== Footer ===== */
.site-footer { margin-top: auto; background: var(--gray-900); }
.footer-main { padding: 52px 0 40px; }
.footer-top { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand-logo { width: 44px; height: 44px; border-radius: 10px; background: linear-gradient(135deg, var(--brand), var(--brand-dark)); display: grid; place-items: center; color: var(--white); font-weight: 900; font-size: 14px; flex-shrink: 0; }
.footer-brand-name { font-size: 16px; font-weight: 700; color: var(--white); line-height: 1.3; }
.footer-brand-tagline { font-size: 12px; color: var(--gray-500); margin-top: 2px; }
.footer-contact-bar { display: flex; align-items: center; gap: 16px; }
.footer-phone { font-size: 18px; font-weight: 800; color: var(--brand); text-decoration: none; letter-spacing: .02em; transition: color .15s; }
.footer-phone:hover { color: #fb923c; }
.footer-divider { height: 1px; background: var(--gray-800); margin: 32px 0; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1.2fr; gap: 48px; }
.footer-col h5 { font-size: 13px; font-weight: 700; color: var(--gray-300); margin-bottom: 16px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col ul li a { font-size: 13px; color: var(--gray-400); transition: color .15s; }
.footer-col ul li a:hover { color: var(--white); }
.footer-col ul li { font-size: 13px; color: var(--gray-400); line-height: 1.7; }
.footer-info-list li { display: flex; align-items: flex-start; gap: 6px; }
.footer-info-icon { flex-shrink: 0; }
.footer-bottom { border-top: 1px solid var(--gray-800); padding: 22px 0; display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--gray-500); }

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .hero-svc-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .hero-headline { font-size: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-intro { grid-template-columns: 1fr; gap: 40px; }
  .about-intro-img { display: none; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .why-us-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-steps { grid-template-columns: repeat(3, 1fr); }
  .flow-steps::before { display: none; }
}
@media (max-width: 860px) {
  :root { --header-h: 64px; }
  .site-header { position: relative; }
  .nav-links {
    display: none; position: absolute; top: var(--header-h);
    left: 0; right: 0; flex-direction: column; align-items: stretch;
    padding: 8px 14px 14px; background: var(--white);
    border-bottom: 1px solid var(--gray-200); box-shadow: var(--s-md); z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 12px; }
  .nav-links a.active::after { display: none; }
  .nav-hotline { display: none; }
  .nav-actions .btn-accent { display: none; }
  .mobile-toggle { display: block; }
  .hero-carousel { height: 55vh; min-height: 360px; }
  .hero-headline { font-size: 28px; }
  .hero-tagline { font-size: 14px; }
  .hero-overlay { padding: 80px 0 48px; }
  .hero-arrow { width: 36px; height: 36px; font-size: 16px; }
  .hero-arrow-l { left: 12px; }
  .hero-arrow-r { right: 12px; }
  .hero-stats-inner { grid-template-columns: repeat(2, 1fr); }
  .hero-stat { border-bottom: 1px solid rgba(255,255,255,.2); }
  .hero-svc-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .hero-services { padding: 32px 0; }
  .page-hero-title { font-size: 32px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-img-wrap { position: static; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-info-card { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 64px 0; }
  .cta-title { font-size: 28px; }
  .section-title { font-size: 28px; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .why-us-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .hero-title { font-size: 30px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
  .detail-info-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 24px; }
  .page-hero-title { font-size: 26px; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .cta-title { font-size: 22px; }
  .why-us-grid { grid-template-columns: 1fr 1fr; }
  .flow-steps { grid-template-columns: 1fr 1fr; }
  .cert-strip-inner { gap: 24px; }
}
@media (max-width: 480px) {
  .hero-carousel { height: 45vh; min-height: 280px; }
  .hero-headline { font-size: 22px; }
  .hero-tagline { font-size: 13px; margin-bottom: 20px; }
  .hero-overlay { padding: 60px 0 40px; }
  .hero-cta .btn { padding: 10px 20px; font-size: 13px; }
  .hero-stats-inner { grid-template-columns: repeat(2, 1fr); }
  .hero-svc-grid { grid-template-columns: 1fr; gap: 12px; }
  .hero-services { padding: 24px 0; }
  .hero-svc-item { padding: 16px 12px; }
  .section { padding: 40px 0; }
  .section-title { font-size: 20px; }
  .why-us-grid { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: 1fr; }
  .container { padding: 0 12px; }
}