/* ===== 设计系统 / Design Tokens ===== */
:root {
  /* 色彩系统 */
  --c-primary: #0d7377;          /* 主色：翡翠青 */
  --c-primary-dark: #0a5a5e;
  --c-primary-light: #14a3a8;
  --c-primary-soft: #e6f4f4;
  --c-accent: #f59e0b;           /* 强调色：琥珀橙 */
  --c-accent-dark: #d97706;
  --c-accent-soft: #fef3c7;
  --c-ink: #0f172a;              /* 主文字：深石板 */
  --c-ink-2: #334155;
  --c-ink-3: #64748b;
  --c-line: #e2e8f0;
  --c-bg: #fafaf9;
  --c-bg-2: #f1f5f4;
  --c-white: #ffffff;

  /* 排版 */
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", system-ui, sans-serif;
  --font-display: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;

  /* 间距 */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 5rem;

  /* 圆角 */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-pill: 999px;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 30px -12px rgba(13, 115, 119, 0.25);
  --shadow-lg: 0 25px 50px -20px rgba(13, 115, 119, 0.35);

  /* 动效 */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.35s;
}

/* ===== 基础重置 ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* ===== 容器 ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== 顶部导航 ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--c-line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--c-ink);
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  box-shadow: var(--shadow-md);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-links a {
  padding: 0.5rem 0.95rem;
  border-radius: var(--r-pill);
  font-size: 0.95rem;
  color: var(--c-ink-2);
  transition: all var(--dur) var(--ease);
}

.nav-links a:hover {
  color: var(--c-primary);
  background: var(--c-primary-soft);
}

.nav-links a.active {
  color: var(--c-primary);
  background: var(--c-primary-soft);
  font-weight: 600;
}

.nav-cta {
  padding: 0.55rem 1.3rem !important;
  background: var(--c-accent) !important;
  color: #fff !important;
  font-weight: 600;
  border-radius: var(--r-pill);
  margin-left: 0.5rem;
}

.nav-cta:hover {
  background: var(--c-accent-dark) !important;
  color: #fff !important;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  font-family: inherit;
}

.btn-primary {
  background: var(--c-primary);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--c-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-accent {
  background: var(--c-accent);
  color: #fff;
  box-shadow: 0 8px 20px -8px rgba(245, 158, 11, 0.6);
}

.btn-accent:hover {
  background: var(--c-accent-dark);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--c-ink);
  border: 1.5px solid var(--c-line);
}

.btn-ghost:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
}

/* ===== Hero 区 ===== */
.hero {
  position: relative;
  padding: var(--space-2xl) 0 var(--space-xl);
  background:
    radial-gradient(ellipse at top right, rgba(20, 163, 168, 0.12), transparent 55%),
    radial-gradient(ellipse at bottom left, rgba(245, 158, 11, 0.1), transparent 50%),
    linear-gradient(180deg, #fff, var(--c-bg));
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--c-primary-soft);
  color: var(--c-primary-dark);
  border-radius: var(--r-pill);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
  color: var(--c-ink);
}

.hero h1 .hl {
  background: linear-gradient(120deg, var(--c-primary), var(--c-primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--c-ink-2);
  max-width: 520px;
  margin-bottom: var(--space-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: var(--space-lg);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.hero-tags span {
  padding: 0.35rem 0.85rem;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  font-size: 0.85rem;
  color: var(--c-ink-3);
}

/* Hero 视觉卡片 */
.hero-visual {
  position: relative;
}

.hero-card {
  background: #fff;
  border-radius: var(--r-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--c-line);
}

.hero-card .card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px dashed var(--c-line);
}

.hero-card .card-head .dot {
  display: flex;
  gap: 0.4rem;
}

.hero-card .card-head .dot i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #fecaca;
  display: inline-block;
}

.hero-card .card-head .dot i:nth-child(2) { background: #fde68a; }
.hero-card .card-head .dot i:nth-child(3) { background: #bbf7d0; }

.hero-card .stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.hero-card .stat {
  background: var(--c-bg-2);
  border-radius: var(--r-md);
  padding: 0.8rem;
  text-align: center;
}

.hero-card .stat b {
  display: block;
  font-size: 1.4rem;
  color: var(--c-primary);
}

.hero-card .stat small {
  font-size: 0.75rem;
  color: var(--c-ink-3);
}

.hero-card .bar-list .bar-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
  font-size: 0.85rem;
}

.hero-card .bar-list .bar {
  flex: 1;
  height: 8px;
  background: var(--c-bg-2);
  border-radius: var(--r-pill);
  overflow: hidden;
}

.hero-card .bar-list .bar i {
  display: block;
  height: 100%;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--c-primary), var(--c-primary-light));
}

.float-badge {
  position: absolute;
  background: #fff;
  border-radius: var(--r-md);
  padding: 0.7rem 1rem;
  box-shadow: var(--shadow-md);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: floatY 4s ease-in-out infinite;
}

.float-badge.top { top: -18px; right: -10px; }
.float-badge.bot { bottom: -14px; left: -14px; animation-delay: 1.5s; }

.float-badge .ico {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.9rem;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ===== 通用区块 ===== */
.section {
  padding: var(--space-2xl) 0;
}

.section.alt {
  background: var(--c-bg-2);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-xl);
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--c-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-md);
}

.section-head p {
  color: var(--c-ink-3);
  font-size: 1.05rem;
}

/* ===== 特性网格 ===== */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.4rem;
}

.feat-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: 1.8rem;
  transition: all var(--dur) var(--ease);
}

.feat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-primary-light);
}

.feat-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  background: var(--c-primary-soft);
  color: var(--c-primary);
}

.feat-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.feat-card p {
  color: var(--c-ink-3);
  font-size: 0.95rem;
}

/* ===== 3+3+3 方案区 ===== */
.solution-wrap {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  border-radius: var(--r-lg);
  padding: var(--space-xl) var(--space-lg);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.solution-wrap::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.25), transparent 70%);
  border-radius: 50%;
}

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

.sol-col {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--r-md);
  padding: 1.6rem;
  backdrop-filter: blur(8px);
}

.sol-col .num {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--c-accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  margin-bottom: 1rem;
}

.sol-col h4 {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
  color: #fff;
}

.sol-col ul li {
  padding: 0.3rem 0;
  font-size: 0.92rem;
  opacity: 0.9;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sol-col ul li::before {
  content: "✓";
  color: var(--c-accent);
  font-weight: 700;
}

/* ===== 数字统计 ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.4rem;
  text-align: center;
}

.stat-item .num-big {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--c-primary);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-item .num-big sup {
  font-size: 1.2rem;
  color: var(--c-accent);
}

.stat-item .label {
  color: var(--c-ink-3);
  font-size: 0.95rem;
}

/* ===== 流程/步骤 ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.4rem;
  counter-reset: step;
}

.step {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 1.6rem;
  position: relative;
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--c-primary-soft);
  position: absolute;
  top: 0.8rem;
  right: 1rem;
  line-height: 1;
}

.step h4 {
  font-size: 1.1rem;
  margin: 0.5rem 0;
  color: var(--c-primary);
}

.step p {
  color: var(--c-ink-3);
  font-size: 0.92rem;
}

/* ===== CTA 横幅 ===== */
.cta-band {
  background: linear-gradient(120deg, var(--c-ink), #1e293b);
  border-radius: var(--r-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(20, 163, 168, 0.25), transparent 50%),
              radial-gradient(circle at 80% 50%, rgba(245, 158, 11, 0.18), transparent 50%);
}

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

.cta-band h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 0.8rem;
}

.cta-band p {
  opacity: 0.8;
  margin-bottom: var(--space-lg);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-band .contact-line {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: var(--space-md);
}

.cta-band .contact-line span {
  font-size: 1rem;
}

.cta-band .contact-line b {
  color: var(--c-accent);
}

/* ===== 页脚 ===== */
.footer {
  background: var(--c-ink);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-xl) 0 var(--space-lg);
}

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

.footer h5 {
  color: #fff;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.footer ul li {
  padding: 0.3rem 0;
  font-size: 0.9rem;
}

.footer ul li a:hover {
  color: var(--c-primary-light);
}

.footer .brand {
  color: #fff;
  margin-bottom: 0.8rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.2rem;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* ===== 页面标题（子页面） ===== */
.page-head {
  padding: var(--space-xl) 0 var(--space-lg);
  background: linear-gradient(180deg, var(--c-primary-soft), var(--c-bg));
  text-align: center;
}

.page-head h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: var(--space-sm);
}

.page-head p {
  color: var(--c-ink-3);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== 安防专用 ===== */
.security-hero {
  background:
    radial-gradient(ellipse at top right, rgba(15, 23, 42, 0.12), transparent 55%),
    linear-gradient(180deg, #fff, var(--c-bg));
}

.security-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
  margin-bottom: 1.4rem;
}

.security-card .feat-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

/* ===== 富掌柜专用 ===== */
.fzg-banner {
  background: linear-gradient(135deg, #b91c1c, #dc2626);
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    order: -1;
    max-width: 480px;
    margin: 0 auto;
  }
  .solution-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .security-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .nav-links a:not(.nav-cta) {
    display: none;
  }
  .section {
    padding: var(--space-xl) 0;
  }
}

/* 滚动淡入 */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

/* ===== 富掌柜详细组件 ===== */

/* ===== 富掌柜图片展示 ===== */
.section-img {
  width: 100%;
  max-width: 900px;
  margin: 1.2rem auto 0;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--c-line);
}

.section-img.full {
  max-width: 100%;
}

.img-caption {
  text-align: center;
  font-size: 0.82rem;
  color: var(--c-ink-3);
  margin-top: 0.5rem;
}

.img-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  margin-top: 1.2rem;
}

.img-row img {
  width: 100%;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-line);
}

@media (min-width: 768px) {
  .img-row.two-col {
    grid-template-columns: 1fr 1fr;
  }
}

/* 目录网格 */
.toc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 1rem;
}

.toc-item {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 1.4rem 1rem;
  text-align: center;
  transition: all var(--dur) var(--ease);
}

.toc-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--c-primary-light);
}

.toc-item .toc-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--c-primary);
  display: block;
  margin-bottom: 0.4rem;
}

.toc-item .toc-title {
  font-size: 0.95rem;
  color: var(--c-ink-2);
}

/* 方案拆分卡片 */
.scenario-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 1.6rem;
}

.scenario-head {
  padding: 1.2rem 1.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
}

.scenario-head.fast { background: linear-gradient(135deg, #ea580c, #f59e0b); }
.scenario-head.heavy { background: linear-gradient(135deg, #0d7377, #14a3a8); }
.scenario-head.omni { background: linear-gradient(135deg, #1e293b, #334155); }

.scenario-head h3 { font-size: 1.15rem; }
.scenario-head .badge {
  font-size: 0.8rem;
  background: rgba(255,255,255,0.2);
  padding: 0.3rem 0.8rem;
  border-radius: var(--r-pill);
}

.scenario-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.scenario-body > div {
  padding: 1.4rem;
}

.scenario-body .methods {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
}

.scenario-body .methods span {
  padding: 0.35rem 0.8rem;
  background: var(--c-primary-soft);
  color: var(--c-primary-dark);
  border-radius: var(--r-pill);
  font-size: 0.85rem;
  font-weight: 600;
}

.scenario-body .scenes {
  display: flex;
  gap: 0.8rem;
}

.scenario-body .scenes span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--c-ink-2);
}

/* 硬件网格 */
.hw-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.8rem;
  margin-top: 0.6rem;
}

.hw-item {
  background: var(--c-bg-2);
  border-radius: var(--r-sm);
  padding: 0.7rem;
  text-align: center;
}

.hw-item .hw-ico {
  font-size: 1.4rem;
  display: block;
  margin-bottom: 0.3rem;
}

.hw-item .hw-name {
  font-size: 0.8rem;
  color: var(--c-ink-2);
}

/* 流程管线 */
.pipeline {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0;
  margin-top: 1.2rem;
}

.pipeline-node {
  flex: 1;
  min-width: 120px;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 1rem;
  position: relative;
  text-align: center;
  margin: 0 0.3rem;
}

.pipeline-node.required { border-top: 3px solid var(--c-primary); }
.pipeline-node.optional { border-top: 3px solid var(--c-accent); }
.pipeline-node.result { border-top: 3px solid #22c55e; }

.pipeline-node .pn-ico {
  font-size: 1.4rem;
  display: block;
  margin-bottom: 0.4rem;
}

.pipeline-node .pn-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--c-ink);
  margin-bottom: 0.3rem;
}

.pipeline-node .pn-desc {
  font-size: 0.75rem;
  color: var(--c-ink-3);
  line-height: 1.5;
}

.pipeline-arrow {
  display: flex;
  align-items: center;
  color: var(--c-ink-3);
  font-size: 1.2rem;
}

/* 模块架构网格 */
.arch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.arch-module {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.arch-module .am-head {
  background: linear-gradient(135deg, #1e293b, #334155);
  color: #fff;
  padding: 0.7rem 1rem;
  font-size: 0.95rem;
  font-weight: 700;
  text-align: center;
}

.arch-module .am-body {
  padding: 0.6rem;
}

.arch-module .am-body .am-item {
  padding: 0.4rem 0.5rem;
  font-size: 0.82rem;
  color: var(--c-ink-2);
  border-bottom: 1px dashed var(--c-line);
}

.arch-module .am-body .am-item:last-child { border-bottom: none; }
.arch-module .am-body .am-item:first-child { padding-top: 0; }

/* 象限网格 */
.quadrant-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
  max-width: 760px;
  margin: 0 auto;
}

.quad-card {
  border-radius: var(--r-md);
  padding: 1.6rem;
  position: relative;
  overflow: hidden;
}

.quad-card.blue { background: linear-gradient(135deg, #dbeafe, #eff6ff); }
.quad-card.gray { background: linear-gradient(135deg, #f1f5f9, #f8fafc); }

.quad-card .quad-ico {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
}

.quad-card.blue .quad-ico { background: #3b82f6; color: #fff; }
.quad-card.gray .quad-ico { background: #64748b; color: #fff; }

.quad-card h4 {
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
}

.quad-card ul li {
  padding: 0.25rem 0;
  font-size: 0.85rem;
  color: var(--c-ink-2);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.quad-card ul li::before {
  content: "•";
  color: var(--c-primary);
  font-weight: 700;
}

/* 仪表盘模拟 */
.dash-mock {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 1.4rem;
  box-shadow: var(--shadow-md);
}

.dash-mock .dm-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--c-line);
}

.dash-mock .dm-title {
  font-weight: 700;
  font-size: 0.95rem;
}

.dash-mock .dm-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.dash-mock .dm-section h5 {
  font-size: 0.8rem;
  color: var(--c-ink-3);
  margin-bottom: 0.5rem;
}

.dash-mock .dm-rank {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.dash-mock .dm-rank span {
  font-size: 0.82rem;
  color: var(--c-ink-2);
  padding: 0.2rem 0;
}

.dash-mock .dm-ring {
  text-align: center;
  padding: 0.5rem;
}

.dash-mock .dm-ring .ring-big {
  font-size: 1.6rem;
  font-weight: 800;
  color: #ef4444;
}

.dash-mock .dm-ring .ring-label {
  font-size: 0.78rem;
  color: var(--c-ink-3);
}

.dash-mock .dm-kpi {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--c-line);
}

.dash-mock .dm-kpi .kpi-item {
  text-align: center;
}

.dash-mock .dm-kpi .kpi-num {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--c-primary);
}

.dash-mock .dm-kpi .kpi-label {
  font-size: 0.7rem;
  color: var(--c-ink-3);
}

/* 数据表 */
.conv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.conv-table th {
  background: var(--c-ink);
  color: #fff;
  padding: 0.6rem 0.5rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.78rem;
}

.conv-table td {
  padding: 0.5rem 0.5rem;
  text-align: center;
  border-bottom: 1px solid var(--c-line);
}

.conv-table tr:nth-child(even) td { background: var(--c-bg-2); }

.conv-table .hl {
  background: var(--c-accent-soft) !important;
  font-weight: 700;
  color: var(--c-accent-dark);
}

/* 标语 */
.slogan {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 700;
  text-align: center;
  color: var(--c-primary);
  margin: var(--space-lg) 0;
  position: relative;
}

.slogan::before, .slogan::after {
  content: '"';
  font-size: 2.5rem;
  color: var(--c-primary-light);
  opacity: 0.3;
}

/* 标签行 */
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.8rem 0;
}

.tag-row span {
  padding: 0.3rem 0.7rem;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  font-size: 0.8rem;
  color: var(--c-ink-2);
}

/* 三层分析 */
.tri-analysis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.tri-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 1.4rem;
  text-align: center;
}

.tri-card .tc-ico {
  font-size: 1.6rem;
  display: block;
  margin-bottom: 0.5rem;
}

.tri-card h5 {
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
  color: var(--c-primary);
}

.tri-card p {
  font-size: 0.82rem;
  color: var(--c-ink-3);
}

/* 高亮横幅 */
.highlight-band {
  background: linear-gradient(120deg, var(--c-primary), var(--c-primary-light));
  color: #fff;
  border-radius: var(--r-md);
  padding: 1.6rem;
  text-align: center;
  margin: var(--space-md) 0;
}

.highlight-band .hb-num {
  font-size: 2rem;
  font-weight: 800;
}

.highlight-band .hb-label {
  font-size: 0.95rem;
  opacity: 0.9;
}

/* 响应式补充 */
@media (max-width: 900px) {
  .scenario-body { grid-template-columns: 1fr; }
  .pipeline { flex-direction: column; }
  .pipeline-arrow { transform: rotate(90deg); justify-content: center; }
  .quadrant-grid { grid-template-columns: 1fr; }
  .tri-analysis { grid-template-columns: 1fr; }
  .dash-mock .dm-body { grid-template-columns: 1fr; }
  .dash-mock .dm-kpi { grid-template-columns: repeat(2, 1fr); }
  .conv-table { font-size: 0.75rem; }
  .conv-table th, .conv-table td { padding: 0.35rem 0.3rem; }
}