/* ============================================================
   鑫萤智 (XinYingZhi) — AIGEO 官网
   全局样式系统
   ============================================================ */

:root {
  /* 品牌色 */
  --bg-0: #050816;
  --bg-1: #0a0e27;
  --bg-2: #111434;
  --bg-3: #1a1147;

  /* 强调 */
  --brand-indigo: #6366f1;
  --brand-purple: #8b5cf6;
  --brand-cyan: #06b6d4;
  --brand-pink: #ec4899;
  --brand-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  --brand-gradient-soft: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);

  /* 文字 */
  --text-1: #ffffff;
  --text-2: #e8eaff;
  --text-3: #a8b2d1;
  --text-4: #6b7299;

  /* 玻璃质感 */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-bg-strong: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-strong: rgba(255, 255, 255, 0.15);

  /* 阴影 */
  --shadow-glow: 0 0 60px rgba(99, 102, 241, 0.3);
  --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.4);

  /* 间距 */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* 容器 */
  --container-max: 1240px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-0);
  color: var(--text-2);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* 全局背景动效：渐变光斑 */
body::before {
  content: "";
  position: fixed;
  top: -20%;
  left: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.25) 0%, transparent 60%);
  z-index: -2;
  pointer-events: none;
  animation: floatBlob 20s ease-in-out infinite;
}

body::after {
  content: "";
  position: fixed;
  bottom: -20%;
  right: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.2) 0%, transparent 60%);
  z-index: -2;
  pointer-events: none;
  animation: floatBlob 25s ease-in-out infinite reverse;
}

@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* 网格背景 */
.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: -1;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s;
}

img, svg { display: block; max-width: 100%; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ========== 通用组件 ========== */

/* 渐变文字 */
.gradient-text {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-block;
}

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border-strong);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--text-2);
  font-weight: 500;
  backdrop-filter: blur(10px);
}

.tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-cyan);
  box-shadow: 0 0 8px var(--brand-cyan);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.8rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand-gradient);
  color: white;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.6);
}

.btn-primary::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s;
}

.btn-primary:hover::after { left: 100%; }

.btn-ghost {
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border-strong);
  color: var(--text-1);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(99, 102, 241, 0.5);
  transform: translateY(-2px);
}

/* 标题块 */
.section-head {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-tag {
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-3);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.8;
}

/* 卡片 */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  backdrop-filter: blur(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.card:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.5), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.card:hover::before { opacity: 1; }

/* section */
section {
  padding: var(--space-2xl) 0;
  position: relative;
}

/* ========== 顶部导航 ========== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(5, 8, 22, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s;
}

.nav.scrolled {
  background: rgba(5, 8, 22, 0.95);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text-1);
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
}
.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.brand-name { letter-spacing: -0.02em; }
.brand-tag {
  font-size: 0.75rem;
  color: var(--text-3);
  font-weight: 400;
  margin-left: 0.5rem;
  padding-left: 0.6rem;
  border-left: 1px solid var(--glass-border);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--text-3);
  font-weight: 500;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active { color: var(--text-1); }

.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--brand-gradient);
  border-radius: 1px;
}

.nav-cta { padding: 0.55rem 1.2rem; font-size: 0.9rem; }

.nav-toggle { display: none; }

/* ========== Hero ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  padding-bottom: var(--space-xl);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-content { z-index: 1; }

.hero-tag {
  margin-bottom: var(--space-md);
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  letter-spacing: -0.03em;
  color: var(--text-1);
}

.hero-title .accent {
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-3);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
  max-width: 600px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--glass-border);
}

.stat {
  text-align: left;
}

.stat-num {
  font-size: 2.2rem;
  font-weight: 900;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-3);
  margin-top: 0.3rem;
}

/* Hero 右侧可视化 */
.hero-visual {
  position: relative;
  height: 540px;
}

.vis-card {
  position: absolute;
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-lg);
  padding: 1.2rem;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
  transition: transform 0.4s;
}

.vis-card:hover { transform: scale(1.05); }

.vis-1 {
  top: 0;
  right: 0;
  width: 280px;
  animation: floatY 6s ease-in-out infinite;
}

.vis-2 {
  top: 180px;
  left: 0;
  width: 240px;
  animation: floatY 7s ease-in-out infinite reverse;
}

.vis-3 {
  bottom: 0;
  right: 20px;
  width: 260px;
  animation: floatY 8s ease-in-out infinite;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.vis-card-header {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.8rem;
  font-size: 0.85rem;
  color: var(--text-3);
}

.vis-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--brand-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.vis-platform {
  font-weight: 600;
  color: var(--text-2);
}

.vis-result {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-1);
  margin-bottom: 0.4rem;
}

.vis-result.success { color: #10b981; }

.vis-meta {
  font-size: 0.8rem;
  color: var(--text-3);
  line-height: 1.5;
}

/* AI 平台矩阵 */
.platform-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2rem;
}

.platform-pill {
  padding: 0.4rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--text-2);
  font-weight: 500;
  transition: all 0.2s;
}

.platform-pill:hover {
  border-color: var(--brand-indigo);
  background: rgba(99, 102, 241, 0.1);
}

/* ========== 痛点对比 ========== */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: var(--space-xl);
}

.problem-side {
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

.problem-side.bad {
  border-color: rgba(239, 68, 68, 0.3);
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.05), transparent);
}

.problem-side.good {
  border-color: rgba(16, 185, 129, 0.3);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), transparent);
}

.problem-side-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: var(--space-md);
  font-weight: 700;
  font-size: 1.1rem;
}

.problem-side-header .badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.9rem;
}

.problem-side.bad .badge { background: rgba(239, 68, 68, 0.2); color: #ef4444; }
.problem-side.good .badge { background: rgba(16, 185, 129, 0.2); color: #10b981; }

.problem-list { list-style: none; }
.problem-list li {
  padding: 0.6rem 0;
  padding-left: 1.6rem;
  position: relative;
  color: var(--text-3);
  font-size: 0.95rem;
  border-bottom: 1px solid var(--glass-border);
}
.problem-list li:last-child { border-bottom: none; }

.problem-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.problem-side.bad .problem-list li::before { background: #ef4444; }
.problem-side.good .problem-list li::before { background: #10b981; }

/* ========== 业务板块 ========== */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.biz-card {
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
  transition: all 0.4s;
}

.biz-card::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, var(--card-glow, rgba(99, 102, 241, 0.2)) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
}

.biz-card:hover::after { opacity: 1; }
.biz-card:hover { transform: translateY(-6px); border-color: var(--glass-border-strong); }

.biz-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--brand-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: var(--space-md);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

.biz-title {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 0.8rem;
  color: var(--text-1);
  position: relative;
  z-index: 1;
}

.biz-desc {
  color: var(--text-3);
  font-size: 0.95rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.biz-features {
  margin-top: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  position: relative;
  z-index: 1;
}

.biz-features span {
  font-size: 0.78rem;
  padding: 0.25rem 0.7rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 100px;
  color: var(--text-2);
}

/* ========== 技术优势 ========== */
.tech-section {
  background: var(--brand-gradient-soft);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.tech-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.06) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.tech-card {
  background: rgba(5, 8, 22, 0.6);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  backdrop-filter: blur(20px);
}

.tech-card-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: var(--space-md);
  color: var(--text-1);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.tech-card-title .num {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--brand-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 900;
}

.tech-points { list-style: none; }
.tech-points li {
  padding: 0.7rem 0;
  padding-left: 1.6rem;
  position: relative;
  color: var(--text-2);
  font-size: 0.95rem;
  line-height: 1.7;
}

.tech-points li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--brand-cyan);
  font-weight: 700;
}

/* ========== 服务流程 ========== */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.flow-steps::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand-indigo), var(--brand-cyan), transparent);
  z-index: 0;
}

.step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-num {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-md);
  border-radius: 50%;
  background: rgba(5, 8, 22, 0.8);
  border: 2px solid var(--brand-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 900;
  background-image: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.step-num::before {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.step-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-1);
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-3);
  line-height: 1.7;
}

/* ========== 案例展示 ========== */
.case-tabs {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.case-tab {
  padding: 0.55rem 1.3rem;
  border-radius: 100px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-3);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.case-tab.active,
.case-tab:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--brand-indigo);
  color: var(--text-1);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.case-card {
  padding: var(--space-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: all 0.3s;
  cursor: default;
}

.case-card:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  transform: translateY(-3px);
}

.case-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 0.3rem;
}

.case-meta {
  font-size: 0.82rem;
  color: var(--text-4);
  margin-bottom: 0.7rem;
}

.case-tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: rgba(99, 102, 241, 0.12);
  border-radius: 6px;
  font-size: 0.75rem;
  color: var(--text-2);
}

/* ========== 数据 ========== */
.data-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.data-card {
  text-align: center;
  padding: var(--space-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

.data-num {
  font-size: 2.6rem;
  font-weight: 900;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
  line-height: 1;
}

.data-label {
  font-size: 0.9rem;
  color: var(--text-3);
  margin-top: 0.5rem;
}

/* ========== CTA ========== */
.cta-section {
  text-align: center;
  position: relative;
}

.cta-box {
  padding: var(--space-2xl);
  background: var(--brand-gradient-soft);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 40%);
  animation: rotateGlow 20s linear infinite;
}

@keyframes rotateGlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.cta-box > * { position: relative; z-index: 1; }

.cta-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  margin-bottom: var(--space-md);
  color: var(--text-1);
}

.cta-desc {
  font-size: 1.05rem;
  color: var(--text-3);
  margin-bottom: var(--space-lg);
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== Footer ========== */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: var(--space-xl) 0 var(--space-lg);
  background: rgba(5, 8, 22, 0.5);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: var(--space-xl);
}

.footer-brand-desc {
  font-size: 0.9rem;
  color: var(--text-3);
  margin-top: var(--space-md);
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.95rem;
  color: var(--text-1);
  margin-bottom: var(--space-md);
  font-weight: 700;
}

.footer-col ul { list-style: none; }
.footer-col li {
  padding: 0.3rem 0;
}

.footer-col a {
  color: var(--text-3);
  font-size: 0.88rem;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--brand-cyan); }

.footer-contact {
  font-size: 0.88rem;
  color: var(--text-3);
  line-height: 1.8;
}

.footer-contact .label {
  color: var(--text-4);
  display: inline-block;
  width: 70px;
}

.footer-bottom {
  padding-top: var(--space-md);
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-4);
}

.footer-bottom a {
  color: var(--text-4);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-bottom a:hover {
  color: var(--text-1);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ========== 响应式 ========== */
@media (max-width: 968px) {
  .hero-grid, .problem-grid, .tech-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .biz-grid, .case-grid { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: 1fr 1fr; }
  .flow-steps::before { display: none; }
  .data-row { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .hero-stats { grid-template-columns: 1fr 1fr 1fr; }
  section { padding: 3rem 0; }
  .tech-section { padding: 2rem; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-toggle {
    display: flex;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border);
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(5, 8, 22, 0.98);
    padding: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    gap: 1rem;
  }
  .hero-stats { grid-template-columns: 1fr; gap: 1rem; }
  .stat-num { font-size: 1.8rem; }
  .flow-steps { grid-template-columns: 1fr; }
  .data-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
}

/* 滚动入场 */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ========== 扩展组件 ========== */

/* 数据大屏 */
.dash-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.dash-card {
  position: relative;
  padding: 1.8rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(6, 182, 212, 0.05));
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s;
}

.dash-card:hover {
  transform: translateY(-3px);
  border-color: var(--brand-indigo);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.dash-card::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 60%);
  opacity: 0.5;
}

.dash-num {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.6rem;
  letter-spacing: -0.03em;
}

.dash-suffix {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.dash-label {
  font-size: 0.92rem;
  color: var(--text-3);
  position: relative;
  z-index: 1;
}

.dash-unit {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--brand-cyan);
  margin-left: 0.2rem;
}

/* 套餐卡片 */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.8rem;
  position: relative;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: var(--glass-border-strong);
  background: var(--glass-bg-strong);
}

.pricing-card.featured {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(6, 182, 212, 0.08));
  border-color: var(--brand-indigo);
  box-shadow: 0 10px 40px rgba(99, 102, 241, 0.25);
}

.pricing-card.featured::before {
  content: "推荐";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.3rem 1rem;
  background: var(--brand-gradient);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
}

.pricing-name {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-1);
  margin-bottom: 0.3rem;
}

.pricing-target {
  font-size: 0.85rem;
  color: var(--text-3);
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--glass-border);
}

.pricing-points {
  list-style: none;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.pricing-points li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.6;
}

.pricing-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0.55rem;
  color: var(--brand-cyan);
  font-weight: 700;
}

.pricing-points li.no {
  color: var(--text-4);
}

.pricing-points li.no::before {
  content: "—";
  color: var(--text-4);
}

.pricing-cta {
  margin-top: auto;
  padding-top: 1rem;
}

.pricing-cta .btn {
  width: 100%;
  font-size: 0.9rem;
  padding: 0.7rem 1rem;
}

/* 新闻卡片 */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.news-card {
  padding: 1.8rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: all 0.3s;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-strong);
  background: var(--glass-bg-strong);
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.82rem;
  color: var(--text-4);
  margin-bottom: 1rem;
}

.news-tag {
  padding: 0.2rem 0.6rem;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 6px;
  font-size: 0.75rem;
  color: var(--text-2);
}

.news-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 0.7rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-excerpt {
  font-size: 0.88rem;
  color: var(--text-3);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-source {
  font-size: 0.78rem;
  color: var(--text-4);
  padding-top: 0.8rem;
  border-top: 1px solid var(--glass-border);
}

.news-more {
  display: inline-block;
  margin-top: 0.8rem;
  color: var(--brand-cyan);
  font-size: 0.88rem;
  font-weight: 600;
}

/* 资讯卡片整张可点 */
.news-card { display: flex; }
.news-card .news-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}
.news-card .news-link:hover .news-title { color: var(--brand-cyan); }

/* 资讯详情页 */
.news-detail-head { margin-bottom: 2rem; padding-bottom: 1.4rem; border-bottom: 1px solid var(--glass-border); }
.news-detail-meta { display: flex; gap: 1rem; align-items: center; color: var(--text-4); font-size: 0.9rem; margin-top: 0.4rem; flex-wrap: wrap; }
.news-detail-body { font-size: 1.02rem; line-height: 1.95; color: var(--text-2); }
.news-detail-body p { margin-bottom: 1.3rem; }
.news-detail-body h3 { font-size: 1.22rem; color: var(--text-1); margin: 1.9rem 0 0.9rem; line-height: 1.4; }
.news-detail-body strong { color: var(--text-1); }
.news-detail-body a { color: var(--brand-cyan); }
.news-detail-body blockquote {
  margin: 2rem 0;
  padding: 1.3rem 1.6rem;
  background: rgba(99, 102, 241, 0.07);
  border-left: 3px solid var(--brand-cyan);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-2);
  font-size: 1rem;
  line-height: 1.85;
  font-style: italic;
}
.news-detail-body ul { margin: 0 0 1.3rem; padding-left: 1.4rem; }
.news-detail-body ul li { margin-bottom: 0.55rem; line-height: 1.8; }
.news-detail-body ul li::marker { color: var(--brand-cyan); }

/* 客户证言 */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.testimonial {
  padding: 1.8rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  position: relative;
}

.testimonial::before {
  content: "\201C";
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 4rem;
  color: var(--brand-indigo);
  font-family: Georgia, serif;
  line-height: 1;
  opacity: 0.4;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 1.2rem;
  padding-top: 0.5rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--brand-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
}

.author-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-1);
}

.author-role {
  font-size: 0.82rem;
  color: var(--text-3);
}

/* 资质墙 */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.partner-tile {
  padding: 1.1rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  text-align: center;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-2);
  transition: all 0.3s;
  min-height: 96px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
}

.partner-tile img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  display: block;
  flex: 0 0 auto;
  padding: 6px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--glass-border);
  box-sizing: border-box;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.partner-tile:hover img {
  transform: scale(1.1);
}

.partner-tile span {
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.partner-tile:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  transform: translateY(-2px);
}

/* 产品矩阵 */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.product-card {
  padding: 2rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--brand-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}

.product-card:hover::before {
  transform: scaleX(1);
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--glass-border-strong);
  background: var(--glass-bg-strong);
}

.product-icon {
  width: 68px;
  height: 68px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  overflow: hidden;
}

.product-icon img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.product-card:hover .product-icon img {
  transform: scale(1.16);
}

.platform-icon {
  width: 62px;
  height: 62px;
  margin: 0 auto 0.8rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.platform-icon img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  display: block;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.tech-card:hover .platform-icon img {
  transform: scale(1.18);
}

.product-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-1);
  margin-bottom: 0.8rem;
}

.product-desc {
  color: var(--text-3);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 1.2rem;
}

.product-features {
  list-style: none;
}

.product-features li {
  padding: 0.4rem 0;
  padding-left: 1.4rem;
  position: relative;
  font-size: 0.88rem;
  color: var(--text-2);
}

.product-features li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--brand-cyan);
}

/* 时间线 */
.timeline {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(180deg, var(--brand-indigo), var(--brand-cyan));
  transform: translateX(-50%);
}

.tl-item {
  position: relative;
  margin-bottom: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.tl-item:nth-child(odd) .tl-content {
  grid-column: 1;
  text-align: right;
}

.tl-item:nth-child(odd) .tl-empty {
  grid-column: 2;
}

.tl-item:nth-child(even) .tl-content {
  grid-column: 2;
}

.tl-item:nth-child(even) .tl-empty {
  grid-column: 1;
}

.tl-dot {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  background: var(--brand-gradient);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
  z-index: 2;
}

.tl-content {
  padding: 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

.tl-year {
  font-size: 1.6rem;
  font-weight: 900;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.tl-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 0.5rem;
}

.tl-desc {
  font-size: 0.9rem;
  color: var(--text-3);
  line-height: 1.7;
}

.tl-empty {
  /* 留空列 */
}

/* 媒体来源 */
.media-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  justify-content: center;
}

.media-tag {
  padding: 0.45rem 1.1rem 0.45rem 0.7rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 0.9rem;
  color: var(--text-2);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.media-tag img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  display: block;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.92);
  padding: 2px;
}

/* 资质证书 */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.cert-card {
  padding: 1.8rem 1.5rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(6, 182, 212, 0.03));
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all 0.3s;
}

.cert-card:hover {
  transform: translateY(-4px);
  border-color: var(--brand-indigo);
}

.cert-icon {
  font-size: 2.4rem;
  margin-bottom: 0.8rem;
}

.cert-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 0.4rem;
}

.cert-desc {
  font-size: 0.82rem;
  color: var(--text-3);
  line-height: 1.6;
}

/* 价格表 */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--glass-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  font-size: 0.92rem;
}

.compare-table thead {
  background: rgba(99, 102, 241, 0.1);
}

.compare-table th, .compare-table td {
  padding: 1.2rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--glass-border);
}

.compare-table th {
  font-weight: 700;
  color: var(--text-1);
}

.compare-table td {
  color: var(--text-2);
}

.compare-table tbody tr:hover {
  background: rgba(99, 102, 241, 0.05);
}

.compare-table .col-name {
  text-align: left;
  font-weight: 600;
  color: var(--text-1);
}

.compare-table .check { color: var(--brand-cyan); font-size: 1.2rem; }
.compare-table .dash { color: var(--text-4); }

/* 响应式补充 */
@media (max-width: 968px) {
  .dash-row, .pricing-grid, .news-grid, .product-grid, .testimonial-grid, .cert-grid, .partner-grid {
    grid-template-columns: 1fr 1fr;
  }
  .timeline::before { left: 20px; }
  .tl-item { grid-template-columns: auto 1fr; gap: 1rem; }
  .tl-item:nth-child(odd) .tl-content,
  .tl-item:nth-child(even) .tl-content { grid-column: 2; text-align: left; }
  .tl-item:nth-child(odd) .tl-empty,
  .tl-item:nth-child(even) .tl-empty { display: none; }
  .tl-dot { left: 20px; }
  .compare-table { font-size: 0.78rem; }
  .compare-table th, .compare-table td { padding: 0.7rem 0.4rem; }
}

@media (max-width: 640px) {
  .dash-row, .pricing-grid, .news-grid, .product-grid, .testimonial-grid, .cert-grid, .partner-grid {
    grid-template-columns: 1fr;
  }
  .partner-grid { grid-template-columns: 1fr 1fr; }
  .compare-table { font-size: 0.7rem; display: block; overflow-x: auto; }
  .dash-num { font-size: 2.2rem; }
}

/* ========== 案例详情页 ========== */
.case-hero {
  padding: 8rem 0 4rem;
  position: relative;
  background:
    radial-gradient(ellipse at top, rgba(99, 102, 241, 0.15), transparent 60%),
    var(--bg-0);
}

.case-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.case-hero-tags .tag { font-size: 0.82rem; padding: 0.3rem 0.8rem; }

.case-hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  color: var(--text-1);
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.case-hero .summary {
  font-size: 1.15rem;
  color: var(--text-3);
  max-width: 720px;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  margin-bottom: 2rem;
}

.case-meta-item .label {
  font-size: 0.82rem;
  color: var(--text-4);
  margin-bottom: 0.3rem;
}

.case-meta-item .value {
  font-size: 1rem;
  color: var(--text-1);
  font-weight: 600;
}

/* 案例章节 */
.case-section {
  padding: 4rem 0;
  position: relative;
}

.case-section h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-1);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.case-section h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-1);
  margin: 1.8rem 0 1rem;
}

.case-section p {
  color: var(--text-3);
  line-height: 1.9;
  font-size: 1.02rem;
  margin-bottom: 1rem;
}

.case-section ul {
  margin: 1rem 0 1.5rem;
  padding-left: 1.5rem;
}

.case-section li {
  color: var(--text-3);
  line-height: 1.9;
  margin-bottom: 0.5rem;
  font-size: 0.98rem;
}

/* 效果数据 */
.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.result-card {
  padding: 1.8rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(6, 182, 212, 0.05));
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-lg);
  text-align: center;
}

.result-num {
  font-size: 2.6rem;
  font-weight: 900;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.result-label {
  font-size: 0.92rem;
  color: var(--text-3);
}

/* 解决方案阶段 */
.solution-phase {
  padding: 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
}

.solution-phase-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.phase-num {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--brand-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: white;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.phase-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-1);
}

/* 案例侧栏 */
.case-sidebar {
  position: sticky;
  top: 100px;
  padding: 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

.case-sidebar h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--glass-border);
}

.case-sidebar .info-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 0.6rem 0;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--glass-border);
}

.case-sidebar .info-row:last-child { border-bottom: none; }

.case-sidebar .info-row .label {
  color: var(--text-3);
  flex-shrink: 0;
}

.case-sidebar .info-row .value {
  color: var(--text-1);
  font-weight: 500;
  text-align: right;
  max-width: 60%;
}

.case-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 3rem;
  align-items: flex-start;
}

/* 案例相关 */
.case-related {
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--glass-border);
}

/* ========== 博客文章样式 ========== */
.article {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.9;
}

.article h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--text-1);
  line-height: 1.3;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.article .article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  font-size: 0.88rem;
  color: var(--text-3);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--glass-border);
}

.article .article-meta .tag { padding: 0.2rem 0.6rem; font-size: 0.75rem; }

.article h2 {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--text-1);
  margin: 2.5rem 0 1rem;
  letter-spacing: -0.01em;
}

.article h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-1);
  margin: 2rem 0 0.8rem;
}

.article p {
  color: var(--text-2);
  margin-bottom: 1.2rem;
}

.article ul, .article ol {
  margin: 1rem 0 1.5rem 1.5rem;
  color: var(--text-2);
}

.article li {
  margin-bottom: 0.6rem;
}

.article blockquote {
  margin: 1.5rem 0;
  padding: 1.2rem 1.5rem;
  background: rgba(99, 102, 241, 0.08);
  border-left: 4px solid var(--brand-indigo);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-2);
  font-style: italic;
}

.article code {
  padding: 0.15rem 0.4rem;
  background: rgba(99, 102, 241, 0.15);
  border-radius: 4px;
  font-family: "SF Mono", Consolas, Monaco, monospace;
  font-size: 0.92em;
  color: var(--text-1);
}

.article strong {
  color: var(--text-1);
  font-weight: 700;
}

.article a {
  color: var(--brand-cyan);
  text-decoration: underline;
  text-decoration-color: rgba(6, 182, 212, 0.4);
  text-underline-offset: 3px;
}

.article a:hover {
  text-decoration-color: var(--brand-cyan);
}

/* 博客列表增强 */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.blog-card {
  padding: 1.8rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: all 0.3s;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-strong);
  background: var(--glass-bg-strong);
}

/* ========== 行业方案页 ========== */
.industry-hero {
  padding: 8rem 0 4rem;
  position: relative;
  background:
    radial-gradient(ellipse at top right, rgba(236, 72, 153, 0.15), transparent 60%),
    radial-gradient(ellipse at bottom left, rgba(99, 102, 241, 0.1), transparent 60%),
    var(--bg-0);
}

/* 痛点列表 */
.pain-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}

.pain-item {
  padding: 1.5rem;
  background: rgba(239, 68, 68, 0.05);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-md);
}

.pain-item-icon {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.pain-item-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 0.4rem;
}

.pain-item-desc {
  font-size: 0.88rem;
  color: var(--text-3);
  line-height: 1.6;
}

/* ========== 法律页 ========== */
.legal-content {
  max-width: 880px;
  margin: 0 auto;
  padding: 4rem 0;
}

.legal-content h1 {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--text-1);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.legal-content .updated {
  font-size: 0.9rem;
  color: var(--text-3);
  padding-bottom: 1.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--glass-border);
}

.legal-content h2 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-1);
  margin: 2.5rem 0 1rem;
}

.legal-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-1);
  margin: 1.8rem 0 0.8rem;
}

.legal-content p {
  color: var(--text-3);
  line-height: 1.9;
  margin-bottom: 1rem;
  font-size: 0.98rem;
}

.legal-content ul, .legal-content ol {
  margin: 1rem 0 1.5rem 1.5rem;
  color: var(--text-3);
}

.legal-content li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

/* ========== 404 页 ========== */
.error-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem;
}

.error-code {
  font-size: clamp(6rem, 15vw, 10rem);
  font-weight: 900;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  letter-spacing: -0.05em;
  margin-bottom: 1rem;
}

.error-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--text-1);
  margin-bottom: 1rem;
}

.error-desc {
  font-size: 1.05rem;
  color: var(--text-3);
  margin-bottom: 2.5rem;
  max-width: 480px;
  line-height: 1.7;
}

.error-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* 响应式补充 */
@media (max-width: 968px) {
  .case-meta { grid-template-columns: 1fr 1fr; }
  .case-layout { grid-template-columns: 1fr; }
  .case-sidebar { position: static; }
  .result-grid { grid-template-columns: 1fr 1fr; }
  .pain-list { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .case-meta { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .price-grid { grid-template-columns: 1fr; }
}

/* ============== 团队页新增 ============== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.team-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.4rem;
  text-align: center;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.team-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-strong);
  box-shadow: 0 12px 32px rgba(99,102,241,0.18);
}
.team-photo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 1rem;
  border: 3px solid rgba(99,102,241,0.4);
  background: var(--bg-3);
}
.team-photo img { width:100%; height:100%; object-fit:cover; display:block; }
.team-name { font-size:1.15rem; font-weight:700; color:var(--text-1); margin-bottom:.25rem; }
.team-role { color:var(--brand-primary); font-size:.85rem; font-weight:600; margin-bottom:.75rem; }
.team-bio { color:var(--text-3); font-size:.9rem; line-height:1.6; min-height:3em; }
.team-tags { display:flex; gap:.4rem; flex-wrap:wrap; justify-content:center; margin-top:.75rem; }
.team-tag {
  background: rgba(99,102,241,0.12);
  color: var(--brand-primary);
  font-size: .72rem;
  padding: .25rem .65rem;
  border-radius: 99px;
  border: 1px solid rgba(99,102,241,0.25);
}
@media (max-width: 900px) { .team-grid { grid-template-columns: 1fr 1fr; } }

/* ============== 价值卡 ============== */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}
.value-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.2rem;
  text-align: center;
  transition: all .3s;
}
.value-card:hover { border-color: var(--glass-border-strong); transform: translateY(-3px); }
.value-icon { font-size: 2.4rem; margin-bottom: .8rem; }
.value-card h3 { color: var(--text-1); font-size: 1.05rem; margin-bottom: .5rem; }
.value-card p { color: var(--text-3); font-size: .88rem; line-height: 1.55; }
@media (max-width: 900px) { .value-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .value-grid { grid-template-columns: 1fr; } }

/* ============== CTA Banner ============== */
.cta-banner {
  background: linear-gradient(135deg, rgba(99,102,241,0.18), rgba(6,182,212,0.18));
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-xl);
  padding: 3.2rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(99,102,241,0.3), transparent 60%),
              radial-gradient(circle at 80% 70%, rgba(6,182,212,0.3), transparent 60%);
  pointer-events: none;
}
.cta-banner h2 { color: var(--text-1); font-size: 2rem; font-weight: 800; margin-bottom: 1rem; position: relative; }
.cta-banner p { color: var(--text-2); font-size: 1.05rem; max-width: 680px; margin: 0 auto 1.8rem; position: relative; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; position: relative; }

/* ============== 案例卡片（cms 数组驱动） ============== */
.case-tile {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  text-align: center;
  transition: all .3s;
}
.case-tile:hover { border-color: var(--glass-border-strong); transform: translateY(-3px); }
.case-logo {
  width: 80px; height: 80px; margin: 0 auto 1rem;
  background: rgba(255,255,255,0.06);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.case-logo img { max-width: 70%; max-height: 70%; object-fit: contain; }
.case-name { font-size:1.1rem; font-weight:700; color:var(--text-1); margin-bottom:.3rem; }
.case-tag { display:inline-block; font-size:.75rem; color:var(--brand-primary); background:rgba(99,102,241,0.12); padding:.2rem .6rem; border-radius:99px; margin-bottom:.6rem; }
.case-summary { color:var(--text-3); font-size:.88rem; line-height:1.55; min-height:3em; }
.case-metrics { display:flex; gap:.4rem; flex-wrap:wrap; justify-content:center; margin: .75rem 0 1rem; }
.metric {
  font-size: .72rem;
  background: rgba(16,185,129,0.12);
  color: #10b981;
  padding: .25rem .65rem;
  border-radius: 99px;
  border: 1px solid rgba(16,185,129,0.3);
}
.case-link { margin-top: .5rem; }

/* ============== 套餐卡片（cms 数组驱动） ============== */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.price-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.6rem;
  text-align: center;
  transition: all .3s;
  position: relative;
}
.price-card:hover { transform: translateY(-3px); border-color: var(--glass-border-strong); }
.price-highlight {
  border-color: var(--brand-primary);
  background: linear-gradient(135deg, rgba(99,102,241,0.18), rgba(6,182,212,0.10));
  box-shadow: 0 0 30px rgba(99,102,241,0.25);
}
.price-tag {
  display:inline-block; font-size:.78rem; color:var(--brand-primary);
  background:rgba(99,102,241,0.12); padding:.3rem .8rem; border-radius:99px;
  margin-bottom:.75rem; font-weight:600;
}
.price-name { font-size:1.4rem; font-weight:800; color:var(--text-1); margin-bottom:.5rem; }
.price-amount { display:flex; align-items:baseline; justify-content:center; gap:.3rem; margin: .5rem 0 1.2rem; }
.price-num { font-size:2.2rem; font-weight:900; color:var(--text-1); }
.price-period { color:var(--text-4); font-size:.85rem; }
.price-features { list-style:none; padding:0; margin:0 0 1.5rem; text-align:left; }
.price-features li { color:var(--text-2); font-size:.88rem; padding:.35rem 0; border-bottom:1px dashed rgba(255,255,255,0.06); }
.price-cta { width: 100%; }
@media (max-width: 900px) { .price-grid { grid-template-columns: 1fr 1fr; } }

/* ============== 产品卡（cms 数组驱动） ============== */
.product-icon-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.5rem;
  transition: all .3s;
  position: relative;
}
.product-icon-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-strong);
  box-shadow: 0 14px 36px rgba(99,102,241,0.2);
}
.product-icon-inner {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--c1), var(--c2));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
  box-shadow: 0 8px 24px rgba(99,102,241,0.3);
}
.product-icon-inner img { width: 38px; height: 38px; object-fit: contain; filter: brightness(0) invert(1); }
.product-icon-card .product-tag {
  display:inline-block; font-size:.72rem; color:var(--brand-primary);
  background:rgba(99,102,241,0.12); padding:.2rem .65rem; border-radius:99px;
  margin-bottom:.5rem; font-weight:600;
}
.product-icon-card .product-name { font-size:1.25rem; font-weight:800; color:var(--text-1); margin-bottom:.4rem; }
.product-icon-card .product-summary { color:var(--text-3); font-size:.88rem; line-height:1.55; margin-bottom:1rem; }
.product-icon-card .product-features { list-style:none; padding:0; margin:0 0 1.2rem; }
.product-icon-card .product-features li { color:var(--text-2); font-size:.85rem; padding:.25rem 0; }

/* ============== FAQ 折叠（cms 数组驱动） ============== */
.faq-list .faq-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.4rem;
  margin-bottom: .8rem;
}
.faq-q {
  color: var(--text-1); font-weight: 700; font-size: 1rem;
  margin-bottom: .6rem;
}
.faq-a {
  color: var(--text-3); font-size: .92rem; line-height: 1.65;
}

/* ============== CMS Loader 状态提示 ============== */
.cms-tip {
  animation: tip-in .3s ease-out;
}
@keyframes tip-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 案例详情正文（客户证言 / 排版兜底） ===== */
.case-body blockquote {
  margin: 2.2rem 0;
  padding: 1.5rem 1.9rem;
  background: rgba(99, 102, 241, 0.07);
  border-left: 3px solid var(--brand-cyan);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-2);
  font-size: 1.05rem;
  line-height: 1.85;
  font-style: italic;
}
.case-body blockquote footer {
  margin-top: 0.9rem;
  font-size: 0.88rem;
  color: var(--text-3);
  font-style: normal;
}
.case-body blockquote p { margin: 0; }
.case-body { min-width: 0; }