/* =========================================================
   灌南县赢尚企业管理有限公司 - 品牌官网样式
   商务大气白色主题 + 深蓝色强调色 + 科技感
   ========================================================= */

:root {
  --primary: #0a1e44;
  --primary-2: #12306b;
  --accent: #1e63e8;
  --accent-2: #3b82f6;
  --accent-light: #e8f0fe;
  --bg: #ffffff;
  --bg-soft: #f5f7fb;
  --bg-deep: #081530;
  --text: #0f1a33;
  --text-2: #4b5878;
  --text-3: #8a94ab;
  --border: #e3e8f2;
  --success: #16a34a;
  --warning: #f59e0b;
  --danger: #dc2626;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(10, 30, 68, 0.06);
  --shadow-md: 0 8px 30px rgba(10, 30, 68, 0.10);
  --shadow-lg: 0 20px 60px rgba(10, 30, 68, 0.16);
  --grad: linear-gradient(135deg, #0a1e44 0%, #1e63e8 100%);
  --grad-soft: linear-gradient(135deg, #eef3fe 0%, #f7faff 100%);
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --nav-h: 76px;
  --trans: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--trans); }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* ---------- 工具类 ---------- */
.section { padding: 96px 0; }
.section-soft { background: var(--bg-soft); }
.section-deep { background: var(--bg-deep); color: #fff; }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-tag {
  display: inline-block; padding: 6px 16px; border-radius: 30px;
  background: var(--accent-light); color: var(--accent);
  font-size: 0.85rem; font-weight: 600; letter-spacing: 1px;
  margin-bottom: 18px;
}
.section-title { font-size: 2.4rem; font-weight: 800; line-height: 1.25; letter-spacing: -0.5px; }
.section-title em { font-style: normal; color: var(--accent); }
.section-sub { color: var(--text-2); margin-top: 14px; font-size: 1.05rem; }
.section-deep .section-tag { background: rgba(255,255,255,0.12); color: #9db8ff; }
.section-deep .section-title { color: #fff; }
.section-deep .section-sub { color: #aeb8d4; }

/* 渐变文字 */
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 34px; border-radius: 50px; font-size: 1rem; font-weight: 600;
  transition: var(--trans); white-space: nowrap; cursor: pointer;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 24px rgba(30, 99, 232, 0.32); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(30, 99, 232, 0.42); }
.btn-outline { border: 2px solid var(--accent); color: var(--accent); background: transparent; }
.btn-outline:hover { background: var(--accent); color: #fff; transform: translateY(-3px); box-shadow: 0 10px 26px rgba(30,99,232,0.25); }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0,0,0,0.2); }
.btn-ghost-white { border: 2px solid rgba(255,255,255,0.5); color: #fff; }
.btn-ghost-white:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn-lg { padding: 16px 42px; font-size: 1.08rem; }
.btn-sm { padding: 8px 18px; font-size: 0.9rem; }

/* =========================================================
   顶部导航
   ========================================================= */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: rgba(8, 21, 48, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: var(--trans);
}
.navbar .container { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.navbar.scrolled { background: rgba(8, 21, 48, 0.98); box-shadow: 0 6px 30px rgba(0,0,0,0.25); }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--grad); display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 1.25rem;
  box-shadow: 0 6px 18px rgba(30,99,232,0.4);
}
.brand-name { color: #fff; font-size: 1.22rem; font-weight: 700; letter-spacing: 0.5px; line-height: 1.2; }
.brand-name small { display: block; font-size: 0.68rem; font-weight: 400; color: #9db8ff; letter-spacing: 2px; }

.nav-menu { display: flex; align-items: center; gap: 34px; min-width: 0; }
.nav-menu a { color: rgba(255,255,255,0.82); font-size: 0.98rem; font-weight: 500; position: relative; padding: 6px 0; white-space: nowrap; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.nav-menu a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
  background: var(--accent-2); border-radius: 2px; transition: var(--trans);
}
.nav-menu a:hover, .nav-menu a.active { color: #fff; }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }

.nav-right { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.lang-switch {
  display: flex; align-items: center; gap: 2px;
  background: rgba(255,255,255,0.1); border-radius: 30px; padding: 3px;
}
.lang-switch button {
  color: rgba(255,255,255,0.7); padding: 6px 12px; border-radius: 30px;
  font-size: 0.85rem; font-weight: 600; transition: var(--trans);
}
.lang-switch button.active { background: var(--accent); color: #fff; box-shadow: 0 4px 12px rgba(30,99,232,0.4); }

.nav-cta { padding: 10px 22px; }

/* 中等宽度桌面：压缩导航间距与字号，避免长语言文字菜单把语言下拉挤出屏幕 */
@media (min-width: 769px) and (max-width: 1199px) {
  .nav-menu { gap: 22px; }
  .nav-menu a { font-size: 0.9rem; }
  .lang-select { max-width: 128px; }
}

/* 汉堡菜单 */
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: var(--trans); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   Hero 首屏
   ========================================================= */
.hero {
  position: relative; min-height: 100vh;
  background: var(--grad);
  display: flex; align-items: center; overflow: hidden;
  padding-top: var(--nav-h);
}
.hero-bg {
  position: absolute; inset: 0; overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 40%, transparent 75%);
}
.hero-orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.5; }
.hero-orb-1 { width: 480px; height: 480px; background: #1e63e8; top: -120px; right: -80px; animation: float 8s ease-in-out infinite; }
.hero-orb-2 { width: 360px; height: 360px; background: #3b82f6; bottom: -120px; left: -60px; animation: float 10s ease-in-out infinite reverse; }
.hero-orb-3 { width: 200px; height: 200px; background: #7aa2ff; top: 40%; right: 30%; opacity: 0.35; animation: float 6s ease-in-out infinite; }

@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-30px) translateX(20px); }
}

.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: center; padding: 60px 0 40px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.18);
  color: #cfe0ff; padding: 8px 18px; border-radius: 40px; font-size: 0.88rem;
  margin-bottom: 24px; backdrop-filter: blur(6px);
}
.hero-badge i { width: 8px; height: 8px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 10px #4ade80; }
.hero h1 {
  color: #fff; font-size: 3.4rem; font-weight: 800; line-height: 1.18; letter-spacing: -1px;
  margin-bottom: 24px;
}
.hero h1 .grad-txt { background: linear-gradient(120deg, #7aa2ff, #cfe0ff); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-desc { color: rgba(255,255,255,0.78); font-size: 1.12rem; max-width: 560px; margin-bottom: 36px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-trust { display: flex; gap: 36px; flex-wrap: wrap; }
.hero-trust-item b { display: block; color: #fff; font-size: 1.5rem; font-weight: 800; }
.hero-trust-item span { color: rgba(255,255,255,0.6); font-size: 0.88rem; }

/* Hero 幻灯片 */
.hero-showcase { position: relative; }
.slide-stage {
  position: relative; border-radius: 20px; overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.4);
  border: 1px solid rgba(255,255,255,0.12);
  transform: perspective(1200px) rotateY(-6deg) rotateX(2deg);
  transition: var(--trans);
}
.slide-stage:hover { transform: perspective(1200px) rotateY(0deg) rotateX(0deg); }
.slide-track { position: relative; height: 400px; }
.slide {
  position: absolute; inset: 0; opacity: 0; transform: scale(1.08);
  transition: opacity 0.8s ease, transform 0.8s ease; visibility: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 36px; background: linear-gradient(160deg, #101f45 0%, #0a1e44 100%);
}
.slide.active { opacity: 1; transform: scale(1); visibility: visible; }
.slide-content {
  position: relative; z-index: 2; background: rgba(255,255,255,0.06);
  backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px; padding: 24px;
}
.slide-tag { display: inline-block; background: var(--accent); color: #fff; font-size: 0.75rem; padding: 3px 12px; border-radius: 20px; margin-bottom: 12px; letter-spacing: 1px; }
.slide h3 { color: #fff; font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
.slide p { color: rgba(255,255,255,0.7); font-size: 0.92rem; }
.slide-icon { position: absolute; top: 20px; right: 24px; font-size: 2.2rem; opacity: 0.5; }

.slide-controls { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; padding: 0 4px; }
.slide-dots { display: flex; gap: 8px; }
.slide-dots button {
  width: 10px; height: 10px; border-radius: 20px; background: rgba(255,255,255,0.3);
  transition: var(--trans); overflow: hidden; position: relative;
}
.slide-dots button.active { width: 34px; background: rgba(255,255,255,0.2); }
.slide-dots button.active::after {
  content: ""; position: absolute; inset: 0; background: #fff; border-radius: 20px;
  transform-origin: left; animation: slide-progress 5s linear forwards;
}
@keyframes slide-progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.slide-arrows { display: flex; gap: 10px; }
.slide-arrows button {
  width: 42px; height: 42px; border-radius: 50%;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  color: #fff; font-size: 1.1rem; transition: var(--trans); display: flex; align-items: center; justify-content: center;
}
.slide-arrows button:hover { background: var(--accent); border-color: var(--accent); }

/* 视差动效元素 */
.parallax { will-change: transform; }

/* 滚动指示 */
.hero-scroll {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  z-index: 2; color: rgba(255,255,255,0.6); font-size: 0.8rem; letter-spacing: 2px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.hero-scroll .mouse { width: 26px; height: 42px; border: 2px solid rgba(255,255,255,0.5); border-radius: 14px; position: relative; }
.hero-scroll .mouse::after {
  content: ""; position: absolute; left: 50%; top: 8px; width: 4px; height: 8px;
  background: #fff; border-radius: 4px; transform: translateX(-50%);
  animation: wheel 1.6s ease-in-out infinite;
}
@keyframes wheel { 0% { opacity: 1; top: 8px; } 100% { opacity: 0; top: 24px; } }

/* =========================================================
   数据统计
   ========================================================= */
.stats { position: relative; z-index: 3; margin-top: -64px; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 36px 28px;
  border: 1px solid var(--border);
}
.stat-item { text-align: center; padding: 12px 8px; position: relative; }
.stat-item:not(:last-child)::after {
  content: ""; position: absolute; right: 0; top: 20%; height: 60%; width: 1px; background: var(--border);
}
.stat-icon { width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 14px; background: var(--accent-light); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.stat-num { font-size: 2.6rem; font-weight: 800; color: var(--primary); line-height: 1.1; }
.stat-num .suffix { font-size: 1.4rem; }
.stat-label { color: var(--text-2); font-size: 0.95rem; margin-top: 6px; }

/* =========================================================
   通用卡片
   ========================================================= */
.card {
  background: #fff; border-radius: var(--radius); border: 1px solid var(--border);
  padding: 32px; transition: var(--trans); position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.card-hover-top::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad); transform: scaleX(0); transform-origin: left; transition: var(--trans);
}
.card-hover-top:hover::before { transform: scaleX(1); }

/* 服务入口卡片 */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.svc-card { padding: 34px 30px; }
.svc-icon {
  width: 62px; height: 62px; border-radius: 16px; margin-bottom: 22px;
  background: var(--grad-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center; font-size: 1.8rem;
  transition: var(--trans); border: 1px solid var(--border);
}
.svc-card:hover .svc-icon { background: var(--grad); color: #fff; transform: rotate(-6deg) scale(1.06); box-shadow: 0 10px 24px rgba(30,99,232,0.35); }
.svc-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.svc-card p { color: var(--text-2); font-size: 0.94rem; margin-bottom: 16px; }
.svc-link { color: var(--accent); font-weight: 600; font-size: 0.92rem; display: inline-flex; align-items: center; gap: 6px; }
.svc-link:hover { gap: 10px; }

/* 案例卡片 */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card { display: flex; flex-direction: column; }
.case-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.case-tag { background: var(--accent-light); color: var(--accent); font-size: 0.8rem; padding: 4px 12px; border-radius: 20px; font-weight: 600; }
.case-industry { color: var(--text-3); font-size: 0.85rem; }
.case-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 10px; }
.case-card .case-desc { color: var(--text-2); font-size: 0.94rem; margin-bottom: 20px; flex: 1; }
.case-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; background: var(--bg-soft); border-radius: 12px; padding: 16px; }
.case-metric { text-align: center; }
.case-metric b { display: block; font-size: 1.35rem; font-weight: 800; color: var(--accent); }
.case-metric span { font-size: 0.78rem; color: var(--text-3); }

/* 客户评价 */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.testi-card { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); padding: 30px; position: relative; }
.testi-card::before { content: "\201C"; position: absolute; top: 8px; right: 22px; font-size: 4rem; color: var(--accent-light); font-family: Georgia, serif; line-height: 1; }
.testi-stars { color: var(--warning); font-size: 1rem; margin-bottom: 14px; letter-spacing: 2px; }
.testi-card p { color: var(--text-2); font-size: 0.96rem; margin-bottom: 20px; }
.testi-person { display: flex; align-items: center; gap: 12px; }
.testi-avatar { width: 46px; height: 46px; border-radius: 50%; background: var(--grad); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.05rem; }
.testi-person b { display: block; font-size: 0.98rem; }
.testi-person span { font-size: 0.82rem; color: var(--text-3); }

/* =========================================================
   关于我们简介 / About
   ========================================================= */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-visual { position: relative; }
.about-visual-main {
  border-radius: 20px; padding: 48px; background: var(--grad);
  color: #fff; min-height: 380px; position: relative; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-visual-main::before { content: ""; position: absolute; inset: 0; background: linear-gradient(160deg, rgba(255,255,255,0.08), transparent 50%); }
.about-visual-main .big-num { font-size: 4rem; font-weight: 800; opacity: 0.9; }
.about-visual-main p { color: rgba(255,255,255,0.8); }
.about-float-card {
  position: absolute; background: #fff; border-radius: 14px; box-shadow: var(--shadow-md);
  padding: 18px 22px; display: flex; align-items: center; gap: 12px; border: 1px solid var(--border);
  animation: float 5s ease-in-out infinite;
}
.about-float-card .fc-icon { width: 42px; height: 42px; border-radius: 12px; background: var(--accent-light); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; }
.about-float-card b { display: block; font-size: 1rem; }
.about-float-card span { font-size: 0.78rem; color: var(--text-3); }
.about-float-1 { top: 24px; right: -30px; }
.about-float-2 { bottom: 30px; left: -30px; animation-delay: 2s; }
.about-feature-list { margin: 26px 0; }
.about-feature-list li { display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; color: var(--text-2); font-size: 1rem; }
.about-feature-list .check { width: 22px; height: 22px; min-width: 22px; border-radius: 50%; background: var(--accent-light); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 0.75rem; margin-top: 3px; }

/* 优势条 */
.advantage-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.advantage-item { text-align: center; padding: 30px 18px; }
.advantage-icon { width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 18px; background: var(--grad); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; box-shadow: 0 10px 26px rgba(30,99,232,0.35); }
.advantage-item h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 8px; }
.advantage-item p { color: var(--text-2); font-size: 0.9rem; }

/* 愿景价值观 */
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.value-card { text-align: center; padding: 40px 30px; }
.value-num { font-size: 0.95rem; font-weight: 800; color: var(--accent); letter-spacing: 3px; margin-bottom: 14px; }
.value-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 12px; }
.value-card p { color: var(--text-2); font-size: 0.95rem; }

/* 信任数据墙 */
.trust-wall {
  border-radius: 20px; padding: 48px; color: #fff;
  background: var(--grad); position: relative; overflow: hidden;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center;
  box-shadow: var(--shadow-lg);
}
.trust-wall::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px); background-size: 44px 44px; }
.trust-item { position: relative; z-index: 1; }
.trust-item b { display: block; font-size: 2.6rem; font-weight: 800; }
.trust-item b .suffix { font-size: 1.4rem; }
.trust-item span { color: rgba(255,255,255,0.75); font-size: 0.95rem; }

/* =========================================================
   联系表单
   ========================================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.form-card { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); padding: 40px; box-shadow: var(--shadow-sm); }
.form-card h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 8px; }
.form-card .form-sub { color: var(--text-2); font-size: 0.92rem; margin-bottom: 28px; }
.form-group { margin-bottom: 22px; }
.form-group label { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 8px; color: var(--text); }
.form-group label .req { color: var(--danger); }
.form-control {
  width: 100%; padding: 13px 16px; border: 1.5px solid var(--border); border-radius: 10px;
  font-size: 0.98rem; transition: var(--trans); background: var(--bg-soft);
}
.form-control:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 4px rgba(30,99,232,0.12); }
textarea.form-control { min-height: 130px; resize: vertical; }
.form-error { color: var(--danger); font-size: 0.82rem; margin-top: 6px; display: none; }
.form-group.has-error .form-control { border-color: var(--danger); }
.form-group.has-error .form-error { display: block; }
.form-msg { padding: 14px 18px; border-radius: 10px; margin-bottom: 20px; display: none; font-size: 0.95rem; }
.form-msg.success { display: block; background: #ecfdf3; color: var(--success); border: 1px solid #bbf7d0; }
.form-msg.error { display: block; background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.form-msg i { margin-right: 6px; }
.form-btn { width: 100%; padding: 15px; font-size: 1.05rem; }

/* 联系信息卡片 */
.contact-info-card { background: var(--grad); border-radius: var(--radius); padding: 40px; color: #fff; position: relative; overflow: hidden; box-shadow: var(--shadow-lg); }
.contact-info-card::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px); background-size: 40px 40px; }
.contact-info-card h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 8px; position: relative; }
.contact-info-card .ci-sub { color: rgba(255,255,255,0.7); font-size: 0.92rem; margin-bottom: 30px; position: relative; }
.ci-item { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.12); position: relative; }
.ci-item:last-child { border-bottom: none; }
.ci-icon { width: 46px; height: 46px; min-width: 46px; border-radius: 12px; background: rgba(255,255,255,0.12); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }
.ci-item b { display: block; font-size: 0.82rem; color: rgba(255,255,255,0.6); font-weight: 500; margin-bottom: 3px; }
.ci-item span { font-size: 1.02rem; font-weight: 600; }
.ci-item a { color: #fff; }
.ci-item a:hover { color: #9db8ff; }
.ci-hours { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* 服务时间表 */
.hours-table { width: 100%; border-collapse: collapse; margin-top: 6px; }
.hours-table td { padding: 8px 0; font-size: 0.95rem; color: rgba(255,255,255,0.85); border-bottom: 1px dashed rgba(255,255,255,0.15); }
.hours-table td:last-child { text-align: right; color: #fff; font-weight: 600; }

/* =========================================================
   地图占位
   ========================================================= */
.map-placeholder {
  border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; background: var(--bg-soft);
}
.map-visual { height: 260px; background: var(--grad-soft); display: flex; align-items: center; justify-content: center; position: relative; }
.map-pin { width: 52px; height: 52px; border-radius: 50% 50% 50% 0; background: var(--accent); transform: rotate(-45deg); display: flex; align-items: center; justify-content: center; box-shadow: 0 10px 30px rgba(30,99,232,0.4); animation: pin-bounce 2s ease-in-out infinite; }
.map-pin i { transform: rotate(45deg); color: #fff; font-size: 1.3rem; }
@keyframes pin-bounce { 0%, 100% { margin-top: 0; } 50% { margin-top: -14px; } }
.map-ring { position: absolute; width: 120px; height: 120px; border-radius: 50%; border: 2px solid rgba(30,99,232,0.25); animation: ring 2.4s ease-out infinite; }
.map-ring-2 { animation-delay: 1.2s; }
@keyframes ring { 0% { transform: scale(0.4); opacity: 1; } 100% { transform: scale(1.6); opacity: 0; } }

/* =========================================================
   Footer
   ========================================================= */
.footer { background: var(--bg-deep); color: #9fb0d0; }
.footer-top { padding: 70px 0 50px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.footer h4 { color: #fff; font-size: 1.05rem; font-weight: 700; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--accent-2); }
.footer-about p { font-size: 0.92rem; line-height: 1.8; margin: 18px 0; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 0.92rem; color: #9fb0d0; }
.footer-links a:hover { color: #fff; padding-left: 6px; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 14px; font-size: 0.92rem; }
.footer-contact i { color: var(--accent-2); min-width: 18px; }
.footer-newsletter { margin-top: 18px; display: flex; }
.footer-newsletter input { flex: 1; padding: 11px 14px; border-radius: 8px 0 0 8px; border: 1px solid rgba(255,255,255,0.15); background: rgba(255,255,255,0.06); color: #fff; font-size: 0.9rem; }
.footer-newsletter input:focus { outline: none; border-color: var(--accent); }
.footer-newsletter button { padding: 11px 18px; background: var(--accent); color: #fff; border-radius: 0 8px 8px 0; font-size: 0.9rem; font-weight: 600; }
.footer-newsletter button:hover { background: var(--accent-2); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 24px 0; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; font-size: 0.85rem; }
.footer-bottom a { color: #9fb0d0; margin-left: 18px; }
.footer-bottom a:hover { color: #fff; }

/* =========================================================
   移动端底部悬浮栏
   ========================================================= */
.mobile-float {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 900;
  background: rgba(8,21,48,0.97); backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 -6px 24px rgba(0,0,0,0.25);
}
.mobile-float-inner { display: grid; grid-template-columns: 1fr 1fr; padding: 10px 16px; gap: 12px; max-width: 480px; margin: 0 auto; }
.mf-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px; border-radius: 12px; font-weight: 600; font-size: 0.98rem; color: #fff;
}
.mf-btn .mf-ico { font-size: 1.15rem; }
.mf-call { background: var(--accent); }
.mf-call:hover { background: var(--accent-2); }
.mf-service { background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15); }
.mf-service:hover { background: rgba(255,255,255,0.18); }

/* 客服弹层 */
.service-pop {
  position: fixed; z-index: 1200; left: 16px; right: 16px; bottom: 96px;
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg);
  border: 1px solid var(--border); padding: 24px; transform: translateY(30px); opacity: 0;
  visibility: hidden; transition: var(--trans); max-width: 420px; margin: 0 auto;
}
.service-pop.show { transform: translateY(0); opacity: 1; visibility: visible; }
.service-pop h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.service-pop .sp-sub { font-size: 0.85rem; color: var(--text-3); margin-bottom: 16px; }
.sp-row { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid var(--bg-soft); }
.sp-row .sp-ico { width: 40px; height: 40px; border-radius: 10px; background: var(--accent-light); color: var(--accent); display: flex; align-items: center; justify-content: center; }
.sp-row b { display: block; font-size: 0.95rem; }
.sp-row span { font-size: 0.85rem; color: var(--text-2); }
.sp-close { position: absolute; top: 12px; right: 14px; width: 28px; height: 28px; border-radius: 50%; background: var(--bg-soft); color: var(--text-2); font-size: 0.9rem; }
.sp-close:hover { background: var(--danger); color: #fff; }

/* =========================================================
   桌面端右侧悬浮窗
   ========================================================= */
.desktop-float {
  position: fixed; right: 24px; top: 50%; transform: translateY(-50%); z-index: 950;
  display: flex; flex-direction: column; gap: 12px;
}
.df-item {
  width: 54px; height: 54px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.3rem; cursor: pointer; position: relative; transition: var(--trans);
  background: var(--grad); box-shadow: 0 8px 24px rgba(30,99,232,0.35);
}
.df-item:hover { transform: scale(1.08); box-shadow: 0 12px 30px rgba(30,99,232,0.5); }
.df-item .df-tip {
  position: absolute; right: calc(100% + 14px); top: 50%; transform: translateY(-50%) translateX(8px);
  background: var(--primary); color: #fff; padding: 8px 16px; border-radius: 8px; font-size: 0.85rem;
  white-space: nowrap; opacity: 0; visibility: hidden; transition: var(--trans);
}
.df-item .df-tip::after { content: ""; position: absolute; left: 100%; top: 50%; transform: translateY(-50%); border: 6px solid transparent; border-left-color: var(--primary); }
.df-item:hover .df-tip { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); }
.df-wechat { background: linear-gradient(135deg, #07c160, #059a4e); box-shadow: 0 8px 24px rgba(7,193,96,0.4); }
.df-qr-panel {
  position: absolute; right: calc(100% + 14px); top: 50%; transform: translateY(-50%) translateX(8px);
  background: #fff; border-radius: 14px; box-shadow: var(--shadow-lg); padding: 16px;
  width: 180px; text-align: center; opacity: 0; visibility: hidden; transition: var(--trans);
  border: 1px solid var(--border);
}
.df-qr-panel::after { content: ""; position: absolute; left: 100%; top: 50%; transform: translateY(-50%); border: 8px solid transparent; border-left-color: #fff; }
.df-wechat:hover .df-qr-panel { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); }
.df-qr-box { width: 140px; height: 140px; margin: 0 auto 8px; background: #fff; border: 1px solid var(--border); border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.df-qr-box svg { width: 100%; height: 100%; }
.df-qr-panel b { display: block; font-size: 0.9rem; color: var(--text); }
.df-qr-panel span { font-size: 0.76rem; color: var(--text-3); }
.df-backtop { background: var(--bg-deep); box-shadow: 0 6px 18px rgba(0,0,0,0.3); }
.df-backtop:hover { background: var(--accent); }
.df-backtop.hide { opacity: 0; visibility: hidden; }

/* =========================================================
   页头（内页 Banner）
   ========================================================= */
.page-hero { position: relative; padding: 180px 0 100px; background: var(--grad); color: #fff; overflow: hidden; text-align: center; }
.page-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px); background-size: 52px 52px; }
.page-hero .hero-orb { opacity: 0.4; }
.page-hero h1 { font-size: 2.6rem; font-weight: 800; margin-bottom: 14px; position: relative; letter-spacing: -0.5px; }
.page-hero .ph-sub { color: rgba(255,255,255,0.75); font-size: 1.05rem; max-width: 640px; margin: 0 auto; position: relative; }
.crumb { margin-top: 22px; font-size: 0.88rem; color: rgba(255,255,255,0.6); position: relative; }
.crumb a:hover { color: #fff; }

/* =========================================================
   标签筛选
   ========================================================= */
.filter-tabs { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-tab { padding: 10px 24px; border-radius: 40px; background: #fff; border: 1.5px solid var(--border); color: var(--text-2); font-weight: 600; font-size: 0.95rem; transition: var(--trans); }
.filter-tab:hover { border-color: var(--accent); color: var(--accent); }
.filter-tab.active { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 8px 22px rgba(30,99,232,0.3); }
.filter-bar { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn { padding: 10px 24px; border-radius: 40px; background: #fff; border: 1.5px solid var(--border); color: var(--text-2); font-weight: 600; font-size: 0.95rem; transition: var(--trans); cursor: pointer; }
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 8px 22px rgba(30,99,232,0.3); }

/* =========================================================
   新闻列表
   ========================================================= */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card { display: flex; flex-direction: column; cursor: pointer; }
.news-thumb { height: 200px; border-radius: 12px 12px 0 0; background: var(--grad-soft); position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; font-size: 2.6rem; color: var(--accent); }
.news-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(160deg, rgba(30,99,232,0.06), rgba(10,30,68,0.12)); }
.news-thumb .thumb-emoji { position: relative; z-index: 1; }
.news-card .nc-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.news-meta { display: flex; gap: 14px; color: var(--text-3); font-size: 0.82rem; margin-bottom: 12px; }
.news-meta .nc-cat { color: var(--accent); font-weight: 600; }
.news-card h3 { font-size: 1.12rem; font-weight: 700; line-height: 1.5; margin-bottom: 10px; }
.news-card h3:hover { color: var(--accent); }
.news-card p { color: var(--text-2); font-size: 0.92rem; flex: 1; }
.news-card .nc-link { color: var(--accent); font-size: 0.9rem; font-weight: 600; margin-top: 16px; display: inline-flex; align-items: center; gap: 6px; }
.news-card:hover .nc-link { gap: 10px; }

/* =========================================================
   新闻详情
   ========================================================= */
.article { max-width: 860px; margin: 0 auto; }
.article-head { text-align: center; margin-bottom: 40px; }
.article-head h1 { font-size: 2rem; font-weight: 800; line-height: 1.4; margin-bottom: 18px; }
.article-meta { display: flex; justify-content: center; gap: 22px; color: var(--text-3); font-size: 0.9rem; flex-wrap: wrap; }
.article-body { font-size: 1.05rem; line-height: 2; color: var(--text-2); }
.article-body p { margin-bottom: 20px; }
.article-body h2 { font-size: 1.4rem; font-weight: 700; color: var(--text); margin: 36px 0 16px; }
.article-body h3 { font-size: 1.18rem; font-weight: 700; color: var(--text); margin: 28px 0 12px; }
.article-body ul { margin: 0 0 20px 20px; }
.article-body ul li { list-style: disc; margin-bottom: 8px; }
.article-body .quote { border-left: 4px solid var(--accent); background: var(--bg-soft); padding: 18px 22px; border-radius: 0 10px 10px 0; margin: 24px 0; font-style: italic; }
.article-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 36px; }
.article-tags span { background: var(--accent-light); color: var(--accent); font-size: 0.85rem; padding: 6px 16px; border-radius: 30px; }
.article-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 40px; padding-top: 30px; border-top: 1px solid var(--border); }
.article-nav a { font-size: 0.92rem; color: var(--accent); max-width: 46%; }
.article-nav a:hover { text-decoration: underline; }

/* =========================================================
   产品中心
   ========================================================= */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.product-card { padding: 0; display: flex; flex-direction: column; }
.product-head { padding: 30px 30px 22px; display: flex; gap: 16px; align-items: center; border-bottom: 1px dashed var(--border); }
.product-icon { width: 60px; height: 60px; min-width: 60px; border-radius: 16px; background: var(--grad); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.7rem; box-shadow: 0 8px 22px rgba(30,99,232,0.3); }
.product-card h3 { font-size: 1.18rem; font-weight: 700; }
.product-card .p-tag { font-size: 0.78rem; color: var(--accent); background: var(--accent-light); display: inline-block; padding: 3px 10px; border-radius: 20px; margin-top: 4px; }
.product-body { padding: 22px 30px 26px; flex: 1; display: flex; flex-direction: column; }
.product-body p { color: var(--text-2); font-size: 0.93rem; flex: 1; margin-bottom: 18px; }
.product-features { margin-bottom: 20px; }
.product-features li { display: flex; gap: 8px; font-size: 0.88rem; color: var(--text-2); padding: 4px 0; }
.product-features li::before { content: "\2713"; color: var(--accent); font-weight: 700; }
.product-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.product-tag { font-size: 0.78rem; color: var(--accent); background: var(--accent-light); display: inline-block; padding: 3px 10px; border-radius: 20px; }
.product-meta { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.product-cat { font-size: 0.78rem; color: var(--text-2); background: var(--bg-2); border: 1px solid var(--border); display: inline-block; padding: 3px 10px; border-radius: 20px; }
.product-head .product-tags { margin-left: auto; justify-content: flex-end; }
.product-desc { color: var(--text-2); font-size: 0.93rem; padding: 20px 30px 0; line-height: 1.7; }
.product-card h3 { padding: 18px 30px 0; }
.product-card .product-features { padding: 12px 30px 0; margin: 0; }
.product-card .svc-link { margin: auto 30px 26px; padding-top: 18px; }

/* =========================================================
   服务详情
   ========================================================= */
.service-detail-grid { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; }
.sd-main { min-width: 0; }
.sd-hero-card { border-radius: 20px; overflow: hidden; border: 1px solid var(--border); margin-bottom: 36px; background: var(--grad); color: #fff; padding: 48px; position: relative; }
.sd-hero-card::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px); background-size: 44px 44px; }
.sd-hero-icon { width: 68px; height: 68px; border-radius: 18px; background: rgba(255,255,255,0.14); display: flex; align-items: center; justify-content: center; font-size: 1.9rem; margin-bottom: 22px; position: relative; }
.sd-hero-card h1 { font-size: 2.1rem; font-weight: 800; margin-bottom: 14px; position: relative; }
.sd-hero-card .sd-hero-desc { color: rgba(255,255,255,0.82); font-size: 1.05rem; max-width: 720px; position: relative; }
.sd-block { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 34px; margin-bottom: 26px; }
.sd-block h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.sd-block h2 .b-ico { width: 34px; height: 34px; border-radius: 10px; background: var(--accent-light); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.sd-feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.sd-feature-list li { display: flex; gap: 10px; padding: 12px; background: var(--bg-soft); border-radius: 10px; font-size: 0.95rem; color: var(--text-2); }
.sd-feature-list li b { color: var(--text); }
.sd-scene-list li { display: flex; gap: 12px; align-items: flex-start; padding: 12px 0; border-bottom: 1px dashed var(--border); font-size: 0.98rem; color: var(--text-2); }
.sd-scene-list li:last-child { border-bottom: none; }
.sd-scene-list .sc-ico { min-width: 30px; height: 30px; border-radius: 8px; background: var(--accent-light); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 0.9rem; }
.adv-list li { display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; }
.adv-list .adv-check { width: 24px; height: 24px; min-width: 24px; border-radius: 50%; background: #ecfdf3; color: var(--success); display: flex; align-items: center; justify-content: center; font-size: 0.8rem; }
.adv-list b { color: var(--text); }
.adv-list span { color: var(--text-2); font-size: 0.95rem; }

.sd-aside { position: sticky; top: calc(var(--nav-h) + 20px); }
.sd-cta-card { background: var(--grad); color: #fff; border-radius: var(--radius); padding: 30px; margin-bottom: 22px; box-shadow: var(--shadow-md); }
.sd-cta-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.sd-cta-card p { color: rgba(255,255,255,0.8); font-size: 0.92rem; margin-bottom: 20px; }
.sd-phone { font-size: 1.3rem; font-weight: 800; margin-bottom: 6px; }
.sd-phone a { color: #fff; }
.sd-phone a:hover { color: #cfe0ff; }
.sd-cta-card .btn { width: 100%; }
.sd-other { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.sd-other h4 { font-size: 1.02rem; font-weight: 700; margin-bottom: 16px; }
.sd-other a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; font-size: 0.9rem; color: var(--text-2); transition: var(--trans); }
.sd-other a:hover { background: var(--bg-soft); color: var(--accent); padding-left: 16px; }
.sd-other a i { color: var(--accent); min-width: 20px; text-align: center; }

/* 配图 */
.sd-visual { border-radius: 16px; overflow: hidden; border: 1px solid var(--border); margin-bottom: 26px; background: var(--grad-soft); height: 260px; display: flex; align-items: center; justify-content: center; position: relative; }
.sd-visual .sv-emoji { font-size: 4.5rem; opacity: 0.9; }
.sd-visual .sv-badge { position: absolute; bottom: 16px; right: 16px; background: rgba(8,21,48,0.75); color: #fff; font-size: 0.78rem; padding: 5px 14px; border-radius: 30px; backdrop-filter: blur(6px); }

/* =========================================================
   空状态
   ========================================================= */
.empty-state { text-align: center; padding: 80px 20px; color: var(--text-3); }
.empty-state .es-icon { font-size: 3.4rem; margin-bottom: 16px; }
.empty-state p { font-size: 1.05rem; }

/* =========================================================
   登录页
   ========================================================= */
.auth-body { background: var(--bg-deep); min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; position: relative; overflow: hidden; }
.auth-body::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: 60px 60px; }
.auth-body .hero-orb { opacity: 0.4; }
.auth-card { position: relative; width: 100%; max-width: 440px; background: #fff; border-radius: 20px; padding: 44px; box-shadow: 0 30px 80px rgba(0,0,0,0.4); }
.auth-logo { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 26px; }
.auth-card h1 { font-size: 1.5rem; font-weight: 800; text-align: center; margin-bottom: 8px; }
.auth-card .auth-sub { text-align: center; color: var(--text-3); font-size: 0.9rem; margin-bottom: 30px; }
.auth-back { text-align: center; margin-top: 22px; font-size: 0.9rem; color: var(--text-3); }
.auth-back a { color: var(--accent); font-weight: 600; }
.otp-send-row { display: flex; gap: 10px; }
.otp-send-row .form-control { flex: 1; }
.btn-send { padding: 0 20px; border-radius: 10px; background: var(--accent-light); color: var(--accent); font-weight: 700; font-size: 0.9rem; white-space: nowrap; border: 1.5px solid var(--accent); }
.btn-send:disabled { opacity: 0.6; cursor: not-allowed; }
.otp-inputs { display: flex; gap: 12px; justify-content: center; margin-bottom: 24px; }
.otp-input {
  width: 52px; height: 58px; text-align: center; font-size: 1.6rem; font-weight: 800;
  border: 1.5px solid var(--border); border-radius: 12px; background: var(--bg-soft);
  transition: var(--trans); color: var(--primary);
}
.otp-input:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 4px rgba(30,99,232,0.12); }
.auth-hint { background: var(--accent-light); border: 1px solid #cfe0ff; border-radius: 10px; padding: 12px 16px; font-size: 0.84rem; color: var(--primary-2); margin-bottom: 24px; line-height: 1.6; }

/* =========================================================
   管理后台
   ========================================================= */
.admin-body { background: var(--bg-soft); min-height: 100vh; }
.admin-topbar {
  position: sticky; top: 0; z-index: 900; background: var(--bg-deep); color: #fff;
  display: flex; align-items: center; justify-content: space-between; padding: 0 24px; height: 64px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.admin-topbar .ab-brand { display: flex; align-items: center; gap: 12px; font-weight: 700; }
.admin-topbar .ab-brand i { font-size: 1.2rem; }
.admin-topbar .ab-user { display: flex; align-items: center; gap: 16px; font-size: 0.9rem; color: rgba(255,255,255,0.8); }
.admin-topbar .ab-user b { color: #fff; }
.admin-layout { display: grid; grid-template-columns: 240px 1fr; min-height: calc(100vh - 64px); }
.admin-side { background: #fff; border-right: 1px solid var(--border); padding: 24px 0; }
.admin-side a {
  display: flex; align-items: center; gap: 12px; padding: 13px 26px; color: var(--text-2);
  font-size: 0.95rem; font-weight: 500; border-left: 3px solid transparent; transition: var(--trans);
}
.admin-side a i { width: 20px; text-align: center; color: var(--text-3); }
.admin-side a:hover { background: var(--bg-soft); color: var(--primary); }
.admin-side a.active { background: var(--accent-light); color: var(--accent); border-left-color: var(--accent); font-weight: 700; }
.admin-side a.active i { color: var(--accent); }
.admin-main { padding: 32px; }
.admin-panel { display: none; }
.admin-panel.active { display: block; animation: fadeUp 0.4s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.admin-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; flex-wrap: wrap; gap: 12px; }
.admin-toolbar h2 { font-size: 1.5rem; font-weight: 800; }
.admin-toolbar .at-count { color: var(--text-3); font-size: 0.9rem; font-weight: 400; }
.admin-table-wrap { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); overflow-x: auto; box-shadow: var(--shadow-sm); }
.admin-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.admin-table th { background: var(--bg-soft); text-align: left; padding: 14px 18px; font-size: 0.82rem; color: var(--text-2); font-weight: 600; white-space: nowrap; }
.admin-table td { padding: 14px 18px; border-top: 1px solid var(--border); font-size: 0.92rem; vertical-align: middle; }
.admin-table tr:hover td { background: #fafbfe; }
.at-actions { display: flex; gap: 8px; }
.at-actions button { padding: 6px 14px; border-radius: 8px; font-size: 0.84rem; font-weight: 600; transition: var(--trans); }
.btn-edit { background: var(--accent-light); color: var(--accent); }
.btn-edit:hover { background: var(--accent); color: #fff; }
.btn-del { background: #fef2f2; color: var(--danger); }
.btn-del:hover { background: var(--danger); color: #fff; }
.badge { display: inline-block; padding: 3px 12px; border-radius: 20px; font-size: 0.78rem; font-weight: 600; }
.badge-blue { background: var(--accent-light); color: var(--accent); }
.badge-green { background: #ecfdf3; color: var(--success); }
.badge-gray { background: var(--bg-soft); color: var(--text-3); }
.badge-red { background: #fef2f2; color: var(--danger); }
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 22px; }
.pager button { width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--border); background: #fff; color: var(--text-2); font-weight: 600; transition: var(--trans); }
.pager button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.pager button:hover:not(.active) { border-color: var(--accent); color: var(--accent); }

/* 管理表单弹层 */
.admin-modal {
  position: fixed; inset: 0; z-index: 1200; background: rgba(8,21,48,0.6);
  backdrop-filter: blur(4px); display: none; align-items: center; justify-content: center; padding: 20px;
}
.admin-modal.show { display: flex; animation: fadeUp 0.3s ease; }
.modal-card { background: #fff; border-radius: 18px; width: 100%; max-width: 680px; max-height: 90vh; overflow-y: auto; box-shadow: 0 30px 80px rgba(0,0,0,0.3); }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 22px 28px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: #fff; z-index: 2; }
.modal-head h3 { font-size: 1.2rem; font-weight: 700; }
.modal-head .m-close { width: 34px; height: 34px; border-radius: 50%; background: var(--bg-soft); color: var(--text-2); font-size: 1rem; }
.modal-head .m-close:hover { background: var(--danger); color: #fff; }
.modal-body { padding: 26px 28px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 12px; padding: 18px 28px; border-top: 1px solid var(--border); }
.modal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.modal-grid .full { grid-column: 1 / -1; }
.ml-form-item { margin-bottom: 16px; }
.ml-form-item label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
.ml-form-item label .req { color: var(--danger); }
.ml-form-item .form-control { background: #fff; }

/* 后台统计卡 */
.admin-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 28px; }
.adm-stat { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; display: flex; align-items: center; gap: 18px; box-shadow: var(--shadow-sm); }
.adm-stat .as-ico { width: 54px; height: 54px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.adm-stat .as-ico.blue { background: var(--accent-light); color: var(--accent); }
.adm-stat .as-ico.green { background: #ecfdf3; color: var(--success); }
.adm-stat .as-ico.amber { background: #fffbeb; color: var(--warning); }
.adm-stat .as-ico.red { background: #fef2f2; color: var(--danger); }
.adm-stat b { display: block; font-size: 1.7rem; font-weight: 800; line-height: 1.2; }
.adm-stat span { font-size: 0.85rem; color: var(--text-3); }

/* =========================================================
   滚动淡入动画
   ========================================================= */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.7s ease, transform 0.7s ease; }
.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; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 2.6rem; }
  .svc-grid, .case-grid, .testi-grid, .news-grid, .product-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .service-detail-grid { grid-template-columns: 1fr; }
  .sd-aside { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  .sd-cta-card { margin-bottom: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2)::after { display: none; }
  .trust-wall { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-float-1 { right: 0; }
  .about-float-2 { left: 0; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--bg-deep); padding: 12px 24px 24px;
    transform: translateY(-130%); transition: var(--trans); opacity: 0; visibility: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3); max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-menu a { display: block; width: 100%; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.08); font-size: 1.02rem; }
  .nav-menu a::after { display: none; }
  .nav-menu .nav-cta { margin-top: 18px; width: 100%; }
  .nav-cta-mobile { display: block; }
  .nav-cta-desktop { display: none; }
  .nav-right { gap: 10px; }
  .brand-name { font-size: 1.05rem; }
  .hero { min-height: auto; padding-bottom: 60px; }
  .hero-inner { padding-top: 30px; }
  .hero h1 { font-size: 2rem; }
  .hero-desc { font-size: 1rem; }
  .slide-track { height: 320px; }
  .stats { margin-top: -40px; }
  .section { padding: 64px 0; }
  .section-title { font-size: 1.7rem; }
  .svc-grid, .case-grid, .testi-grid, .news-grid, .product-grid, .values-grid { grid-template-columns: 1fr; }
  .advantage-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .mobile-float { display: block; }
  .desktop-float { display: none; }
  body { padding-bottom: 72px; }
  .admin-layout { grid-template-columns: 1fr; }
  .admin-side { display: flex; overflow-x: auto; padding: 12px; border-right: none; border-bottom: 1px solid var(--border); gap: 4px; }
  .admin-side a { border-left: none; border-bottom: 3px solid transparent; padding: 10px 16px; white-space: nowrap; }
  .admin-side a.active { border-bottom-color: var(--accent); }
  .admin-main { padding: 18px 14px; }
  .admin-stats { grid-template-columns: repeat(2, 1fr); }
  .modal-grid { grid-template-columns: 1fr; }
  .sd-aside { grid-template-columns: 1fr; }
  .page-hero { padding: 140px 0 70px; }
  .page-hero h1 { font-size: 1.9rem; }
  .sd-feature-list { grid-template-columns: 1fr; }
  .stats-grid { padding: 24px 16px; gap: 14px; }
  .stat-num { font-size: 2rem; }
  .trust-wall { padding: 32px 20px; gap: 18px; }
  .trust-item b { font-size: 1.9rem; }
  .about-visual-main { min-height: 300px; padding: 32px; }
  .contact-info-card { padding: 30px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-ctas .btn { width: 100%; }
  .advantage-grid { grid-template-columns: 1fr; }
  .slide-track { height: 280px; }
  .about-float-1 { top: 10px; right: 6px; }
  .about-float-2 { bottom: 10px; left: 6px; }
  .about-float-card { padding: 12px 14px; }
  .admin-stats { grid-template-columns: 1fr; }
}
/* =========================================================
   file-agent 补充样式（admin / 扩展组件）
   ========================================================= */
.nav-cta-mobile { display: none; }
.muted { color: var(--text-3); }

/* 后台统计卡 */
.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 28px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px; display: flex; align-items: center; gap: 16px; box-shadow: var(--shadow-sm); }
.stat-card .stat-ico { width: 52px; height: 52px; border-radius: 14px; background: var(--accent-light); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; }
.stat-card b { display: block; font-size: 1.6rem; font-weight: 800; line-height: 1.2; }
.stat-card span { font-size: 0.85rem; color: var(--text-3); }

/* 后台面板 */
.panel { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); }
.panel h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.panel-head h3 { font-size: 1.4rem; font-weight: 800; margin: 0; }
.table-wrap { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; box-shadow: var(--shadow-sm); }
.td-actions { white-space: nowrap; }
.td-icon { font-size: 1.1rem; }
.td-demand { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.badge-soft { background: var(--bg-soft); color: var(--text-2); }

/* 扩展按钮 */
.btn-ghost { border: 1.5px solid var(--border); color: var(--text-2); background: #fff; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: #fef2f2; color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }

/* 管理表单弹层（admin.js 使用的 id 版） */
#modal-overlay { position: fixed; inset: 0; z-index: 1200; background: rgba(8,21,48,0.6); backdrop-filter: blur(4px); display: none; align-items: center; justify-content: center; padding: 20px; }
#modal-overlay.show { display: flex; animation: fadeUp 0.3s ease; }
#modal-box { background: #fff; border-radius: 18px; width: 100%; max-width: 720px; max-height: 90vh; overflow-y: auto; box-shadow: 0 30px 80px rgba(0,0,0,0.3); }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 22px 28px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: #fff; z-index: 2; }
.modal-head h3 { font-size: 1.2rem; font-weight: 700; }
.modal-close { width: 34px; height: 34px; border-radius: 50%; background: var(--bg-soft); color: var(--text-2); font-size: 1rem; }
.modal-close:hover { background: var(--danger); color: #fff; }
.modal-body { padding: 26px 28px; }
.modal-body .admin-field { margin-bottom: 16px; }
.modal-body .form-control { background: #fff; }
.modal-foot { display: flex; justify-content: flex-end; gap: 12px; padding: 18px 28px; border-top: 1px solid var(--border); position: sticky; bottom: 0; background: #fff; }

/* toast 提示 */
#ys-toast { position: fixed; top: 24px; left: 50%; transform: translateX(-50%) translateY(-20px); background: var(--primary); color: #fff; padding: 12px 26px; border-radius: 40px; font-size: 0.92rem; font-weight: 600; box-shadow: var(--shadow-lg); z-index: 2000; opacity: 0; visibility: hidden; transition: var(--trans); }
#ys-toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* 案例详情（cases.html 内嵌） */
.case-detail-grid { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }
.cd-hero { border-radius: 20px; overflow: hidden; background: var(--grad); color: #fff; padding: 44px; position: relative; }
.cd-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px); background-size: 44px 44px; }
.cd-hero h1 { font-size: 1.9rem; font-weight: 800; margin-bottom: 12px; position: relative; }
.cd-hero p { color: rgba(255,255,255,0.82); position: relative; }
.cd-block { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; margin-bottom: 24px; }
.cd-block h2 { font-size: 1.25rem; font-weight: 700; margin-bottom: 16px; }
.cd-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cd-metric { text-align: center; padding: 24px 12px; background: var(--bg-soft); border-radius: 14px; }
.cd-metric b { display: block; font-size: 2rem; font-weight: 800; color: var(--accent); }
.cd-metric span { font-size: 0.88rem; color: var(--text-2); }
.cd-quote { border-left: 4px solid var(--accent); background: var(--bg-soft); padding: 20px 24px; border-radius: 0 12px 12px 0; font-style: italic; margin-bottom: 24px; }
.cd-quote b { display: block; margin-top: 10px; color: var(--text-3); font-style: normal; font-size: 0.88rem; }

@media (max-width: 1024px) {
  .case-detail-grid { grid-template-columns: 1fr; }
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .cd-hero { padding: 30px; }
  .cd-metrics { grid-template-columns: 1fr; }
  .cd-metric { display: flex; align-items: center; gap: 12px; text-align: left; padding: 14px 18px; }
  .cd-metric b { font-size: 1.4rem; }
}
@media (max-width: 480px) {
  .stat-cards { grid-template-columns: 1fr; }
}

/* ============ 补充公共组件 ============ */
.section-cta { text-align: center; margin-top: 48px; }
.btn-block { width: 100%; }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.text-center { text-align: center; }
.muted { color: var(--text-3); }
.pb-0 { padding-bottom: 0 !important; }
/* 页头面包屑 */
.breadcrumb { position: relative; z-index: 2; margin-top: 18px; color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { margin: 0 8px; opacity: 0.6; }
/* 联系信息渐变卡内的列表 */
.ci-list { position: relative; z-index: 2; margin-top: 8px; }
.ci-list li { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.12); align-items: flex-start; }
.ci-list li:last-child { border-bottom: none; }
.ci-list .ci-ico { width: 44px; height: 44px; flex: none; border-radius: 12px; background: rgba(255,255,255,0.12); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }
.ci-list b { display: block; color: #fff; font-size: 1rem; margin-bottom: 3px; }
.ci-list span { color: rgba(255,255,255,0.75); font-size: 0.9rem; }
/* 表单提示条 */
.form-placeholder-hint { margin-top: 6px; font-size: 0.82rem; color: var(--text-3); }
/* 新闻/列表筛选 */
.filter-tabs { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 44px; }
.filter-tabs button { padding: 8px 22px; border-radius: 30px; border: 1px solid var(--border); background: #fff; color: var(--text-2); font-size: 0.92rem; cursor: pointer; transition: var(--trans); }
.filter-tabs button.active { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 6px 18px rgba(30,99,232,0.28); }
/* 空状态 */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-3); }
.empty-state .es-ico { font-size: 3rem; margin-bottom: 14px; opacity: 0.5; }
/* 卡片图片 */
.card-img { display: block; width: 100%; height: 210px; object-fit: cover; background: var(--grad); border-radius: var(--radius) var(--radius) 0 0; }
/* 通用标签/信息行 */
.meta-row { display: flex; gap: 16px; color: var(--text-3); font-size: 0.85rem; flex-wrap: wrap; margin-bottom: 14px; }
.meta-row span { display: inline-flex; align-items: center; gap: 5px; }
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.tag-pill { display: inline-block; padding: 4px 12px; border-radius: 20px; background: var(--accent-light); color: var(--accent); font-size: 0.8rem; font-weight: 600; }
/* 详情页布局 */
.detail-cover { border-radius: var(--radius); overflow: hidden; margin-bottom: 30px; box-shadow: var(--shadow-md); position: relative; }
.detail-cover-inner { background: var(--grad); height: 280px; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.9); font-size: 4rem; }
.article-body { line-height: 1.9; color: var(--text-2); }
.article-body h4 { color: var(--text); font-size: 1.25rem; margin: 26px 0 12px; }
.article-body p { margin-bottom: 14px; }
.article-body ul { margin: 0 0 16px 20px; list-style: disc; }
.article-body li { margin-bottom: 8px; }
.feature-list, .scene-list, .advantage-list { margin: 6px 0 18px; }
.feature-list li, .scene-list li, .advantage-list li { position: relative; padding: 10px 0 10px 30px; color: var(--text-2); border-bottom: 1px dashed var(--border); }
.feature-list li:last-child, .scene-list li:last-child, .advantage-list li:last-child { border-bottom: none; }
.feature-list li::before, .scene-list li::before { content: "✓"; position: absolute; left: 0; top: 10px; color: var(--accent); font-weight: 700; }
.advantage-list li::before { content: "★"; position: absolute; left: 0; top: 10px; color: var(--accent); }
.feature-list li b, .scene-list li b, .advantage-list li b { color: var(--text); }
/* 侧栏 */
.side-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); margin-bottom: 24px; }
.side-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); position: relative; }
.side-card h4::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 40px; height: 3px; background: var(--grad); border-radius: 3px; }
.side-link-list li { margin-bottom: 6px; }
.side-link-list a { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; border-radius: 10px; color: var(--text-2); font-size: 0.92rem; transition: var(--trans); }
.side-link-list a:hover { background: var(--accent-light); color: var(--accent); }
/* 管理后台表格 */
.admin-table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.admin-table th { background: var(--accent-light); color: var(--accent); text-align: left; padding: 12px 14px; font-weight: 700; white-space: nowrap; }
.admin-table td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.admin-table tr:hover td { background: #f8faff; }
/* 二维码占位图 */
.qr-placeholder { width: 128px; height: 128px; border-radius: 12px; background: #fff; padding: 6px; box-shadow: var(--shadow-sm); }
/* 大数字 */
.big-num { font-size: 4rem; font-weight: 800; }
/* 评分星 */
.stars { color: #f59e0b; letter-spacing: 2px; }
/* 详细服务分类切换 */
.cat-tabs { display: flex; gap: 10px; justify-content: center; margin-bottom: 40px; flex-wrap: wrap; }
.cat-tabs button { padding: 10px 26px; border-radius: 30px; border: 1px solid var(--border); background: #fff; color: var(--text-2); font-weight: 600; font-size: 0.95rem; cursor: pointer; transition: var(--trans); }
.cat-tabs button.active { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 8px 20px rgba(30,99,232,0.3); }
/* 产品卡横幅 */
.product-band { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; background: var(--accent-light); border-radius: var(--radius); padding: 30px 36px; margin-top: 20px; }
.product-band h3 { color: var(--primary); font-size: 1.5rem; font-weight: 800; }
.product-band p { color: var(--text-2); margin-top: 6px; }

/* =========================================================
   白色主题覆盖层（2026-08-25 追加）
   由深色科技风切换为明亮白色主题：导航 / Hero / 内页横幅 / 登录页
   品牌蓝渐变仅保留作为强调色（按钮、图标、CTA 卡、页脚）
   ========================================================= */
:root {
  --primary: #0f2a5c;
  --primary-2: #1e4a8a;
  --grad: linear-gradient(135deg, #2f6fed 0%, #5b8ef5 100%);
  --shadow-sm: 0 2px 10px rgba(31, 72, 145, 0.08);
  --shadow-md: 0 8px 30px rgba(31, 72, 145, 0.10);
  --shadow-lg: 0 20px 60px rgba(31, 72, 145, 0.14);
}
/* 导航 */
.navbar { background: rgba(255, 255, 255, 0.92); border-bottom: 1px solid var(--border); }
.navbar.scrolled { background: rgba(255, 255, 255, 0.98); box-shadow: 0 6px 24px rgba(15, 42, 92, 0.08); }
.brand-name { color: var(--primary); }
.brand-name small { color: var(--accent); }
.nav-menu a { color: var(--text-2); }
.nav-menu a:hover, .nav-menu a.active { color: var(--accent); }
.lang-switch { background: var(--bg-soft); }
.lang-switch button { color: var(--text-2); }
.lang-switch button.active { background: var(--accent); color: #fff; }
.nav-toggle span { background: var(--primary); }
/* Hero 首屏 */
.hero { background: linear-gradient(180deg, #eef4ff 0%, #ffffff 60%); }
.hero-grid { background-image: linear-gradient(rgba(47, 111, 237, 0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(47, 111, 237, 0.08) 1px, transparent 1px); }
.hero-orb-1 { background: #8fb4ff; opacity: 0.35; }
.hero-orb-2 { background: #b8d0ff; opacity: 0.4; }
.hero-orb-3 { background: #cfe0ff; opacity: 0.5; }
.hero-badge { background: rgba(47, 111, 237, 0.08); border: 1px solid rgba(47, 111, 237, 0.18); color: var(--primary-2); }
.hero h1 { color: var(--primary); }
.hero h1 .grad-txt { background: linear-gradient(120deg, #1e63e8, #3b82f6); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-desc { color: var(--text-2); }
.hero-trust-item b { color: var(--primary); }
.hero-trust-item span { color: var(--text-3); }
.hero-scroll { color: var(--text-3); }
.hero-scroll .mouse { border-color: rgba(31, 72, 145, 0.4); }
.hero-scroll .mouse::after { background: var(--accent); }
/* Hero 幻灯片 */
.slide-stage { box-shadow: 0 30px 60px rgba(31, 72, 145, 0.18); border: 1px solid var(--border); }
.slide { background: linear-gradient(160deg, #eef4ff 0%, #ffffff 100%); }
.slide-content { background: rgba(255, 255, 255, 0.7); border: 1px solid rgba(47, 111, 237, 0.15); }
.slide h3 { color: var(--primary); }
.slide p { color: var(--text-2); }
.slide-dots button { background: #c7d7f5; }
.slide-dots button.active { background: rgba(47, 111, 237, 0.2); }
.slide-dots button.active::after { background: var(--accent); }
.slide-arrows button { background: #fff; border: 1px solid var(--border); color: var(--accent); }
.slide-arrows button:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
/* 内页横幅 */
.page-hero { background: linear-gradient(135deg, #eef4ff 0%, #ffffff 70%); color: var(--primary); }
.page-hero::before { background-image: linear-gradient(rgba(47, 111, 237, 0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(47, 111, 237, 0.08) 1px, transparent 1px); }
.page-hero .ph-sub { color: var(--text-2); }
.crumb { color: var(--text-3); }
.crumb a { color: var(--accent); }
.crumb a:hover { color: var(--primary); }
/* 登录页 */
.auth-body { background: linear-gradient(180deg, #eef4ff 0%, #ffffff 100%); }
.auth-body::before { background-image: linear-gradient(rgba(47, 111, 237, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(47, 111, 237, 0.06) 1px, transparent 1px); }
.auth-card { box-shadow: 0 30px 60px rgba(31, 72, 145, 0.15); }

/* ========== 顶部蓝条 ========== */
.topbar { position: fixed; top: 0; left: 0; right: 0; background: linear-gradient(90deg, #0a1e44 0%, #1e4a8a 60%, #1e63e8 100%); color: rgba(255,255,255,0.88); font-size: 0.82rem; z-index: 1001; }
.topbar-in { display: flex; align-items: center; justify-content: space-between; height: 38px; gap: 16px; }
.topbar-left { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.topbar-item { display: inline-flex; align-items: center; gap: 6px; color: rgba(255,255,255,0.82); text-decoration: none; transition: var(--trans); }
.topbar-item i { font-style: normal; color: #7aa2ff; }
a.topbar-item:hover { color: #fff; }
.topbar-divider { width: 1px; height: 12px; background: rgba(255,255,255,0.28); }
.topbar-right { display: flex; align-items: center; gap: 18px; }
.topbar-hotline { display: inline-flex; align-items: center; gap: 6px; color: #fff; }
.topbar-hotline i { font-style: normal; color: #7aa2ff; }
.topbar-hotline b { font-weight: 600; color: rgba(255,255,255,0.75); }
.topbar-hotline a { color: #fff; font-weight: 700; text-decoration: none; font-size: 0.9rem; letter-spacing: 0.5px; }
.topbar-btn { background: linear-gradient(120deg, #ffb020, #ff8a3d); color: #0a1e44; font-weight: 700; padding: 5px 16px; border-radius: 20px; text-decoration: none; font-size: 0.8rem; box-shadow: 0 4px 12px rgba(255,150,50,0.35); transition: var(--trans); }
.topbar-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(255,150,50,0.5); }

/* ========== Hero 粒子画布 ========== */
#hero-particles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }

/* ========== 四步流程（大特色字体） ========== */
.process-section { position: relative; }
.process-title { font-size: 3rem; line-height: 1.2; letter-spacing: 1px; }
.process-title em { font-size: 1.1em; background: linear-gradient(120deg, #1e63e8, #3b82f6); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin-top: 52px; }
.process-step { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 34px 26px; position: relative; overflow: hidden; transition: var(--trans); box-shadow: var(--shadow-sm); }
.process-step::before { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 4px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: var(--trans); }
.process-step:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: transparent; }
.process-step:hover::before { transform: scaleX(1); }
.process-top { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.process-num { font-size: 2.1rem; font-weight: 900; line-height: 1; background: linear-gradient(135deg, #1e63e8, #7aa2ff); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-family: Georgia, "Times New Roman", serif; }
.process-line { flex: 1; height: 1px; background: linear-gradient(90deg, #cfe0ff, transparent); }
.process-ic { width: 52px; height: 52px; min-width: 52px; border-radius: 14px; background: var(--grad-soft); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--accent); box-shadow: 0 8px 20px rgba(30,99,232,0.14); }
.process-step h3 { font-size: 1.28rem; font-weight: 800; margin-bottom: 10px; color: var(--primary); }
.process-step p { color: var(--text-2); font-size: 0.94rem; margin: 0; line-height: 1.7; }
.process-cta { text-align: center; margin-top: 44px; }

/* ========== 首页新闻区块 ========== */
#home-news { background: linear-gradient(180deg, #f5f8ff 0%, #ffffff 60%); }
.news-img-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }

/* ========== 图文卡片（案例 / 产品 / 新闻 通用） ========== */
.case-img-card, .product-img-card, .news-img-card { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
.case-img, .product-img, .news-img { position: relative; display: block; height: 190px; overflow: hidden; background: var(--grad-soft); }
.case-img img, .product-img img, .news-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .55s ease; }
.case-img-card:hover .case-img img, .product-img-card:hover .product-img img, .news-img-card:hover .news-img img { transform: scale(1.08); }
.case-img-tag, .product-img-cat, .news-img-cat { position: absolute; left: 14px; top: 14px; background: rgba(10,30,68,0.82); color: #fff; font-size: 0.74rem; font-weight: 600; padding: 4px 12px; border-radius: 20px; backdrop-filter: blur(4px); z-index: 2; }
.case-img-body, .product-img-body, .news-img-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.case-img-body .case-industry { color: var(--accent); font-size: 0.8rem; font-weight: 600; margin-bottom: 8px; letter-spacing: 0.5px; }
.case-img-body h3, .product-img-body h3, .news-img-body h3 { font-size: 1.16rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; line-height: 1.45; }
.case-img-body .case-desc, .product-img-body .product-desc { color: var(--text-2); font-size: 0.92rem; line-height: 1.7; flex: 1; }
.case-img-body .case-metrics { display: flex; gap: 22px; margin: 16px 0 18px; }
.case-img-body .case-metric b { display: block; font-size: 1.3rem; font-weight: 800; color: var(--primary); line-height: 1.1; }
.case-img-body .case-metric span { font-size: 0.76rem; color: var(--text-3); }
.case-consult { align-self: flex-start; }
.btn-sm { padding: 8px 20px; font-size: 0.86rem; border-radius: 22px; }
.product-img-body .product-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.product-img-body .product-tag { font-size: 0.74rem; color: var(--accent); background: var(--accent-light); padding: 3px 10px; border-radius: 20px; }
.product-cta { margin-top: 16px; }
.product-cta .btn { width: 100%; }
.news-img-body .news-date { color: var(--text-3); font-size: 0.78rem; margin-bottom: 8px; }
.news-img-body .news-excerpt { color: var(--text-2); font-size: 0.92rem; line-height: 1.7; flex: 1; margin-bottom: 14px; }
.news-img-body .news-more { color: var(--accent); font-size: 0.88rem; font-weight: 600; }

/* 响应式补充 */
@media (max-width: 992px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-title { font-size: 2.4rem; }
  .news-img-grid { grid-template-columns: repeat(2, 1fr); }
  .topbar-divider { display: none; }
}
@media (max-width: 768px) {
  .process-grid { grid-template-columns: 1fr; }
  .process-title { font-size: 2rem; }
  .news-img-grid { grid-template-columns: 1fr; }
  .topbar-hotline b { display: none; }
}
@media (max-width: 640px) {
  .topbar-left .topbar-item:not(.topbar-welcome) { display: none; }
  .topbar-in { height: 34px; }
}

/* ============ 多语言下拉选择 ============ */
.lang-select {
  appearance: none; -webkit-appearance: none; -moz-appearance: none;
  background: rgba(255,255,255,0.12) url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23ffffff'/%3E%3C/svg%3E") no-repeat right 10px center;
  background-size: 10px 6px;
  color: #fff; border: 1px solid rgba(255,255,255,0.25);
  border-radius: 8px; padding: 6px 30px 6px 12px;
  font-size: 0.85rem; font-weight: 500; cursor: pointer;
  max-width: 150px; outline: none; transition: var(--trans);
}
.lang-select:hover { border-color: var(--accent); background-color: rgba(255,255,255,0.2); }
.lang-select option { color: #111; background: #fff; }
[dir="rtl"] .lang-select { background-position: left 10px center; padding: 6px 12px 6px 30px; }
@media (max-width: 768px) {
  .lang-select { max-width: 96px; padding: 5px 26px 5px 8px; font-size: 0.78rem; }
  [dir="rtl"] .lang-select { padding: 5px 8px 5px 26px; }
}