/* ============ 基础与变量 ============ */
:root {
  --bg: #f1f5f9;
  --bg-2: #ffffff;
  --bg-3: #e8f1fb;
  --card: #ffffff;
  --card-2: #f8fafc;
  --line: rgba(14, 116, 174, 0.18);
  --text: #0f172a;
  --text-2: #475569;
  --text-3: #64748b;
  --primary: #0284c7;
  --primary-2: #0ea5e9;
  --accent: #d97706;
  --danger: #dc2626;
  --green: #059669;
  --purple: #7c3aed;
  --radius: 16px;
  --shadow: 0 12px 40px rgba(15, 23, 42, 0.10);
  /* 品牌主色（导航固定） */
  --nav-primary: #0284c7;
}

/* ============ 五大模块差异化主题色 ============ */
#page-security { --primary: #0284c7; --primary-2: #0ea5e9; }
#page-ai-tools { --primary: #7c3aed; --primary-2: #a855f7; }
#page-location { --primary: #0d9488; --primary-2: #14b8a6; }
#page-video-ai { --primary: #e11d48; --primary-2: #f97316; }
#page-pro-line { --primary: #d97706; --primary-2: #f97316; }

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ============ 顶部导航 ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
  white-space: nowrap;
}

.brand .logo {
  width: 38px; height: 38px;
  border-radius: 9px;
  object-fit: contain;
  background: transparent;
  flex-shrink: 0;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14.5px;
  color: var(--text-2);
  transition: all 0.2s;
  white-space: nowrap;
}

.nav-menu a:hover { color: var(--text); background: rgba(2, 132, 199, 0.08); }
.nav-menu a.active { color: var(--nav-primary); background: rgba(2, 132, 199, 0.12); font-weight: 600; }

.nav-menu a.nav-login {
  margin-left: 6px;
  padding: 7px 22px;
  border-radius: 999px;
  color: #ffffff;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.30);
  border: none;
}
.nav-menu a.nav-login:hover {
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary-2), var(--primary));
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.40);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: none; border: 1px solid var(--line); color: var(--text);
  border-radius: 8px; padding: 6px 12px; font-size: 20px; cursor: pointer;
}

@media (max-width: 980px) {
  .nav-toggle { display: block; }
  .nav-menu {
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 20px;
    gap: 4px;
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 12px 14px; }
}

/* ============ 页面通用 ============ */
.page { display: none; }
.page.active { display: block; animation: fadeUp 0.4s ease; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-hero {
  padding: 128px 0 56px;
  background:
    radial-gradient(1000px 500px at 80% -10%, color-mix(in srgb, var(--primary) 16%, transparent), transparent 60%),
    radial-gradient(800px 400px at 10% 10%, color-mix(in srgb, var(--primary-2) 12%, transparent), transparent 55%),
    var(--bg-2);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--primary-2) 5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--primary-2) 5%, transparent) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

.hero-inner { position: relative; z-index: 1; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary) 35%, transparent);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 18px;
}

.hero-tag .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.page-hero h1 {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 14px;
  background: linear-gradient(90deg, #0f172a, var(--primary-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-hero .lead {
  font-size: 17px;
  color: var(--text-2);
  max-width: 900px;
  margin-bottom: 20px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--text-2);
}

.meta-chip b { color: var(--text); font-weight: 600; }
.meta-chip .chip-ico { color: var(--primary); }

@media (max-width: 768px) {
  .page-hero { padding: 104px 0 40px; }
  .page-hero h1 { font-size: 30px; }
  .page-hero .lead { font-size: 15.5px; }
}

/* ============ 区块 ============ */
.section { padding: 56px 0 24px; }
.section-head { margin-bottom: 32px; }
.section-head .sec-no {
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
  display: block;
  margin-bottom: 6px;
}
.section-head h2 { font-size: 28px; font-weight: 800; letter-spacing: 0.5px; }
.section-head p { color: var(--text-2); margin-top: 8px; font-size: 15px; max-width: 860px; }

/* ============ 简介 ============ */
.intro-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 28px;
  margin-bottom: 40px;
}

.intro-text {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}

.intro-text h3 { font-size: 20px; font-weight: 700; margin-bottom: 14px; color: var(--primary-2); }
.intro-text p { color: var(--text-2); font-size: 15px; margin-bottom: 12px; }
.intro-text p b { color: var(--text); }

.intro-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.intro-points span {
  padding: 6px 14px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--primary) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary) 25%, transparent);
  font-size: 13px;
  color: var(--text);
}

.intro-visual {
  background: linear-gradient(160deg, var(--card-2), var(--bg-3));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  justify-content: flex-start;
}

.intro-visual .intro-img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  display: block;
  object-fit: cover;
  aspect-ratio: 16 / 10;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
}

.intro-stat {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.intro-stat .num {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  min-width: 56px;
  text-align: center;
  white-space: nowrap;
}

.intro-stat .lbl { font-size: 13.5px; color: var(--text-2); }
.intro-stat .lbl b { display: block; color: var(--text); font-size: 14.5px; }

@media (max-width: 860px) {
  .intro-grid { grid-template-columns: 1fr; }
}

/* ============ 相关方法律法规解读 ============ */
.legal-wrap {
  margin-top: 48px;
  padding-top: 8px;
}

.law-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.law-stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 18px;
  text-align: center;
  box-shadow: var(--shadow);
  cursor: pointer;
  user-select: none;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.law-stat:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--primary) 55%, transparent);
  box-shadow: 0 14px 32px rgba(2, 6, 23, 0.12);
}

.law-stat:active {
  transform: translateY(-1px) scale(0.985);
  box-shadow: 0 6px 16px rgba(2, 6, 23, 0.1);
}

.law-stat:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.law-stat .num {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
}

.law-stat .lbl {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.5;
}

.legal-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 8px 0 18px;
}

.legal-head .f-ico {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary);
  flex-shrink: 0;
}

.legal-head h4 {
  font-size: 18px;
  margin: 0;
  color: var(--text);
}

.legal-head p {
  margin: 4px 0 0;
  font-size: 13.5px;
  color: var(--text-2);
}

.legal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.legal-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  box-shadow: var(--shadow);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  cursor: pointer;
  user-select: none;
}

.legal-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--primary) 45%, transparent);
  box-shadow: 0 14px 32px rgba(2, 6, 23, 0.12);
}

.legal-card:active {
  transform: translateY(-1px) scale(0.99);
}

.legal-card:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.legal-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--primary);
  margin-bottom: 10px;
}

.legal-card h5 {
  margin: 0 0 6px;
  font-size: 15.5px;
  color: var(--text);
}

.legal-card p {
  margin: 0;
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.7;
}

.point-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.point-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  user-select: none;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.point-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--primary) 45%, transparent);
  box-shadow: 0 14px 32px rgba(2, 6, 23, 0.12);
}

.point-card:active {
  transform: translateY(-1px) scale(0.99);
}

.point-card:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.point-card .p-no {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 42px;
  font-weight: 800;
  color: color-mix(in srgb, var(--primary) 10%, transparent);
  line-height: 1;
}

.point-card h5 {
  margin: 0 0 8px;
  font-size: 15.5px;
  color: var(--primary);
}

.point-card p {
  margin: 0;
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.7;
}

.lc-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 8px;
}

.lc-step {
  flex: 1 1 150px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  cursor: pointer;
  user-select: none;
}

.lc-step:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--primary) 45%, transparent);
  box-shadow: 0 14px 32px rgba(2, 6, 23, 0.12);
}

.lc-step:active {
  transform: translateY(-1px) scale(0.99);
}

.lc-step:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.lc-step .step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
}

.lc-step h5 {
  margin: 0 0 6px;
  font-size: 14.5px;
  color: var(--text);
}

.lc-step p {
  margin: 0;
  font-size: 12.5px;
  color: var(--text-2);
  line-height: 1.6;
}

.law-outro {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
  padding: 20px;
  border-radius: 14px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 10%, var(--card)), var(--card));
  border: 1px dashed color-mix(in srgb, var(--primary) 40%, transparent);
}

.law-outro b {
  color: var(--primary);
  font-size: 15px;
}

.law-outro span {
  color: var(--text-2);
  font-size: 13px;
}

@media (max-width: 900px) {
  .law-stats { grid-template-columns: repeat(2, 1fr); }
  .legal-grid, .point-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .law-stats, .legal-grid, .point-grid { grid-template-columns: 1fr; }
  .law-stat { padding: 18px 14px; }
  .law-stat .num { font-size: 28px; }
  .legal-wrap { margin-top: 36px; }
}

/* ============ 功能亮点 ============ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  opacity: 0;
  transition: opacity 0.25s;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--primary) 50%, transparent);
  box-shadow: var(--shadow);
}

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

.feature-card .f-ico {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  margin-bottom: 14px;
}

.feature-card h4 { font-size: 16.5px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 13.8px; color: var(--text-2); }

.feature-card.accent .f-ico { background: rgba(245, 158, 11, 0.14); color: var(--accent); }
.feature-card.danger .f-ico { background: rgba(248, 113, 113, 0.14); color: var(--danger); }
.feature-card.green .f-ico { background: rgba(52, 211, 153, 0.14); color: var(--green); }
.feature-card.purple .f-ico { background: rgba(167, 139, 250, 0.14); color: var(--purple); }

@media (max-width: 980px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .feature-grid { grid-template-columns: 1fr; }
}

/* ============ 重点专题（视频AI） ============ */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}

.topic-card {
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.topic-card.danger-t {
  background: linear-gradient(150deg, rgba(248, 113, 113, 0.12), var(--card) 65%);
  border-color: rgba(248, 113, 113, 0.4);
}

.topic-card.warn-t {
  background: linear-gradient(150deg, rgba(245, 158, 11, 0.14), var(--card) 65%);
  border-color: rgba(245, 158, 11, 0.4);
}

.topic-card.purple-t {
  background: linear-gradient(150deg, rgba(167, 139, 250, 0.14), var(--card) 65%);
  border-color: rgba(167, 139, 250, 0.4);
}

.topic-card.green-t {
  background: linear-gradient(150deg, rgba(52, 211, 153, 0.14), var(--card) 65%);
  border-color: rgba(52, 211, 153, 0.4);
}

.topic-card .t-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.topic-card.danger-t .t-tag { background: rgba(248, 113, 113, 0.18); color: var(--danger); }
.topic-card.warn-t .t-tag { background: rgba(245, 158, 11, 0.18); color: var(--accent); }
.topic-card.purple-t .t-tag { background: rgba(167, 139, 250, 0.18); color: var(--purple); }
.topic-card.green-t .t-tag { background: rgba(52, 211, 153, 0.18); color: var(--green); }

.topic-card h3 { font-size: 21px; font-weight: 800; margin-bottom: 12px; }
.topic-card p { font-size: 14.5px; color: var(--text-2); margin-bottom: 14px; }

.topic-card ul { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; }
.topic-card li {
  position: relative;
  padding-left: 20px;
  font-size: 13.8px;
  color: var(--text);
}
.topic-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 8px;
  border-radius: 2px;
  background: currentColor;
  color: inherit;
}
.topic-card.danger-t li::before { background: var(--danger); }
.topic-card.warn-t li::before { background: var(--accent); }
.topic-card.purple-t li::before { background: var(--purple); }
.topic-card.green-t li::before { background: var(--green); }

@media (max-width: 980px) {
  .topic-grid { grid-template-columns: 1fr; }
  .topic-card ul { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .topic-grid { grid-template-columns: 1fr; }
  .topic-card ul { grid-template-columns: 1fr; }
}

/* ============ 案例 ============ */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.case-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.case-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--primary) 45%, transparent);
  box-shadow: var(--shadow);
}

.case-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.case-head h4 { font-size: 17px; font-weight: 700; color: var(--primary-2); line-height: 1.45; }

.case-industry {
  flex-shrink: 0;
  padding: 3px 12px;
  border-radius: 999px;
  background: rgba(167, 139, 250, 0.14);
  color: var(--purple);
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
}

.case-problem {
  font-size: 13.5px;
  color: var(--accent);
  background: rgba(245, 158, 11, 0.08);
  border-left: 3px solid var(--accent);
  padding: 8px 14px;
  border-radius: 0 8px 8px 0;
  margin-bottom: 12px;
}

.case-problem::before { content: "背景痛点  "; font-weight: 700; }

.case-solution { font-size: 14px; color: var(--text-2); }

.case-solution::before {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--primary);
  margin-right: 8px;
}

@media (max-width: 860px) {
  .case-grid { grid-template-columns: 1fr; }
}

/* ============ 首页 ============ */
.home-hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1100px 600px at 75% 10%, rgba(2, 132, 199, 0.10), transparent 60%),
    radial-gradient(900px 500px at 10% 80%, rgba(14, 165, 233, 0.08), transparent 55%),
    radial-gradient(700px 400px at 90% 90%, rgba(124, 58, 237, 0.08), transparent 55%),
    radial-gradient(600px 380px at 5% 20%, rgba(5, 150, 105, 0.06), transparent 50%),
    var(--bg-2);
}

.home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(2, 132, 199, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(2, 132, 199, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(700px 500px at 70% 30%, #000 40%, transparent 100%);
  pointer-events: none;
}

.home-hero .hero-inner { position: relative; z-index: 1; }

/* 首页 Hero 左右分栏 */
.hero-split {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 52px;
  align-items: center;
}

.home-hero h1 {
  font-size: 54px;
  font-weight: 900;
  letter-spacing: 2px;
  line-height: 1.25;
  margin-bottom: 18px;
  background: linear-gradient(90deg, #0f172a 10%, var(--primary-2) 50%, #7c3aed);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.home-hero .sub { font-size: 21px; font-weight: 600; color: var(--text); margin-bottom: 14px; }
.home-hero .lead { font-size: 16.5px; color: var(--text-2); max-width: 720px; margin-bottom: 14px; }

.home-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 36px; }
.home-tags span {
  padding: 7px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  font-size: 14px;
  color: var(--text-2);
  display: flex; align-items: center; gap: 8px;
}
.home-tags span i { font-style: normal; font-size: 6px; }
.home-tags span:nth-child(1) i { color: #0284c7; }
.home-tags span:nth-child(2) i { color: #7c3aed; }
.home-tags span:nth-child(3) i { color: #d97706; }
.home-tags span:nth-child(4) i { color: #059669; }
.home-tags span:nth-child(5) i { color: #0d9488; }
.home-tags span:nth-child(6) i { color: #e11d48; }

/* 首页 Hero 大图 */
.hero-visual { position: relative; }

.hero-visual .img-frame {
  position: relative;
  border-radius: 22px;
  border: 1px solid rgba(2, 132, 199, 0.35);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(15, 23, 42, 0.14), 0 0 60px rgba(2, 132, 199, 0.12);
  background: linear-gradient(160deg, #e0f2fe, #f8fafc);
}

.hero-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  opacity: 0.92;
}

.hero-visual .frame-glow {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(200deg, rgba(2, 132, 199, 0.10), transparent 45%),
    linear-gradient(340deg, rgba(124, 58, 237, 0.10), transparent 50%);
  pointer-events: none;
}

.hero-float-card {
  position: absolute;
  left: -22px;
  bottom: 26px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(2, 132, 199, 0.35);
  backdrop-filter: blur(8px);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.14);
  animation: floatY 4s ease-in-out infinite;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero-float-card .fc-ico {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(2, 132, 199, 0.12);
  color: #0284c7;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.hero-float-card b { display: block; font-size: 14px; color: var(--text); }
.hero-float-card span { font-size: 12px; color: var(--text-2); }

.hero-float-card.fc2 {
  left: auto;
  right: -18px;
  top: 30px;
  bottom: auto;
  border-color: rgba(167, 139, 250, 0.4);
  animation-delay: 1.5s;
}
.hero-float-card.fc2 .fc-ico { background: rgba(124, 58, 237, 0.12); color: #7c3aed; }

@media (max-width: 900px) {
  .hero-split { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 600px; }
}
@media (max-width: 768px) {
  .hero-float-card { display: none; }
}

.home-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #ffffff;
}

.btn-primary:hover { box-shadow: 0 8px 28px rgba(2, 132, 199, 0.35); transform: translateY(-2px); }

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text-2);
}

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

.home-modules {
  padding: 72px 0;
  background:
    radial-gradient(800px 300px at 90% 10%, rgba(2, 132, 199, 0.06), transparent 60%),
    radial-gradient(700px 300px at 5% 90%, rgba(124, 58, 237, 0.06), transparent 60%),
    var(--bg);
}

.home-modules .section-head { text-align: center; }
.home-modules .section-head p { margin: 8px auto 0; }

.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.module-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  --mc: #22d3ee;
}

.module-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--mc), color-mix(in srgb, var(--mc) 30%, transparent));
}

.module-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--mc) 55%, transparent);
  box-shadow: var(--shadow);
}

.module-card .m-ico {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: var(--mc);
  background: color-mix(in srgb, var(--mc) 12%, transparent);
  margin-bottom: 16px;
}

.module-card.c1 { --mc: #0284c7; }
.module-card.c2 { --mc: #7c3aed; }
.module-card.c3 { --mc: #0d9488; }
.module-card.c4 { --mc: #e11d48; }
.module-card.c5 { --mc: #d97706; }
.module-card.c6 { --mc: #ea580c; }

.module-card h3 { font-size: 18.5px; font-weight: 800; margin-bottom: 8px; }
.module-card p { font-size: 13.8px; color: var(--text-2); margin-bottom: 16px; min-height: 44px; flex: 1 1 auto; }

.module-card .m-link {
  font-size: 13.5px;
  color: var(--mc);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}

@media (max-width: 980px) {
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .home-hero h1 { font-size: 40px; }
}
@media (max-width: 640px) {
  .modules-grid { grid-template-columns: 1fr; }
  .home-hero h1 { font-size: 32px; }
}

/* ============ 亮点条 ============ */
.stats-band {
  background:
    linear-gradient(90deg, rgba(2, 132, 199, 0.06), transparent 25%, transparent 75%, rgba(124, 58, 237, 0.06)),
    var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 44px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.stats-grid .st-num {
  font-size: 38px;
  font-weight: 900;
  background: linear-gradient(180deg, #0f172a, var(--pc));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stats-grid > div:nth-child(1) { --pc: #0284c7; }
.stats-grid > div:nth-child(2) { --pc: #7c3aed; }
.stats-grid > div:nth-child(3) { --pc: #059669; }
.stats-grid > div:nth-child(4) { --pc: #d97706; }

.stats-grid .st-lbl { color: var(--text-2); font-size: 14px; margin-top: 4px; }

@media (max-width: 760px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============ 页脚 ============ */
.footer {
  margin-top: 80px;
  padding: 40px 20px;
  border-top: 1px solid #e7e5e4;
  text-align: center;
  background: #fafafa;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.footer-logo img {
  width: 48px;
  height: 48px;
}

.footer-logo-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.footer-logo-text .brand-cn {
  font-size: 22px;
  font-weight: 700;
  color: #1c1917;
  letter-spacing: 2px;
}

.footer-logo-text .brand-en {
  font-size: 11px;
  font-weight: 500;
  color: #78716c;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.contact-us-section {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 28px 32px;
  margin: 24px auto;
  background: #fff;
  border-radius: 16px;
  border: 1px solid #e7e5e4;
  max-width: 720px;
  text-align: left;
}

.contact-qrcode {
  display: flex;
  gap: 12px;
  height: 120px;
  background: #fff;
  border-radius: 12px;
  padding: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
  flex-shrink: 0;
}

.contact-qrcode img {
  height: 100%;
  width: auto;
  object-fit: contain;
}

.contact-info {
  text-align: left;
}

.contact-info p {
  margin: 10px 0;
  color: #1c1917;
  font-size: 14px;
  line-height: 1.6;
}

.contact-info p:first-child {
  margin-top: 0;
}

.contact-info p:last-child {
  margin-bottom: 0;
}

.contact-info .company-name {
  font-weight: 600;
  font-size: 16px;
  color: #ea580c;
  margin-bottom: 14px;
}

.contact-info .contact-label {
  color: #78716c;
  margin-right: 8px;
}

.footer-text {
  color: #78716c;
  font-size: 14px;
  margin-top: 4px;
}

@media (max-width: 900px) {
  .footer {
    margin-top: 48px;
  }
  .contact-us-section {
    padding: 24px;
    gap: 24px;
  }
}

@media (max-width: 640px) {
  .contact-us-section {
    flex-direction: column;
    text-align: center;
  }
  .contact-info {
    text-align: center;
  }
  .contact-qrcode {
    height: 104px;
  }
}

@media (max-width: 560px) {
  .footer {
    margin-top: 36px;
    padding: 28px 16px;
  }
  .footer-logo img {
    width: 40px;
    height: 40px;
  }
  .footer-logo-text .brand-cn {
    font-size: 18px;
  }
  .contact-us-section {
    padding: 18px 12px;
  }
  .contact-qrcode {
    height: 96px;
  }
  .contact-info p {
    font-size: 13px;
  }
}

/* ============ 模块内 Tab（简介/详情/案例） ============ */
.inner-tabs {
  display: flex;
  gap: 10px;
  margin: 40px 0 28px;
  flex-wrap: wrap;
}

.inner-tabs button {
  padding: 10px 24px;
  border-radius: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--text-2);
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.inner-tabs button:hover { color: var(--text); border-color: var(--primary); }
.inner-tabs button.active {
  background: color-mix(in srgb, var(--primary) 14%, transparent);
  border-color: var(--primary);
  color: var(--primary);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeUp 0.35s ease; }

/* ============ APP 下载二维码 ============ */
.app-download {
  margin-top: 24px;
}
.app-dl-qr {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px 12px 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.app-dl-qr img {
  width: 88px;
  height: 88px;
  border-radius: 10px;
  object-fit: contain;
  background: #fff;
  border: 1px solid rgba(14, 116, 174, 0.14);
  padding: 5px;
}
.app-dl-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.app-dl-info strong {
  font-size: 16px;
  color: var(--text);
}
.app-dl-info span {
  font-size: 13px;
  color: var(--text-2);
}
.app-dl-account {
  margin-top: 2px;
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(224, 242, 254, 0.55);
  font-size: 12.5px !important;
  line-height: 1.7;
  color: var(--text) !important;
}
@media (max-width: 480px) {
  .app-dl-qr { padding: 10px 14px 10px 10px; gap: 12px; }
  .app-dl-qr img { width: 74px; height: 74px; }
  .app-dl-info strong { font-size: 14.5px; }
  .app-dl-info span { font-size: 12px; }
}

/* ============ AI 应用商店入口按钮 ============ */
.app-store-entry {
  margin-top: 26px;
}
.app-store-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 14px 22px;
  border-radius: 16px;
  text-decoration: none;
  background: linear-gradient(135deg, #7c3aed, #a855f7);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}
.app-store-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(124, 58, 237, 0.45);
}
.app-store-btn .asb-ico {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #7c3aed;
  background: #fff;
}
.app-store-btn .asb-txt {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.app-store-btn .asb-txt b {
  font-size: 17px;
  color: #fff;
  line-height: 1.2;
}
.app-store-btn .asb-txt i {
  font-style: normal;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.85);
}
.app-store-btn .asb-arrow {
  margin-left: 6px;
  font-size: 20px;
  color: #fff;
}
@media (max-width: 480px) {
  .app-store-btn { width: 100%; padding: 13px 16px; gap: 12px; }
  .app-store-btn .asb-ico { width: 40px; height: 40px; flex-basis: 40px; font-size: 20px; }
  .app-store-btn .asb-txt b { font-size: 15.5px; }
  .app-store-btn .asb-txt i { font-size: 11.5px; }
  .app-store-btn .asb-arrow { margin-left: auto; }
}

/* ============ 安全平台子模块 Tab ============ */
.sub-modules {
  padding-top: 8px;
}

.sub-tabs {
  display: flex;
  gap: 12px;
  margin: 32px 0 30px;
  flex-wrap: wrap;
}

.sub-tabs button {
  padding: 14px 28px;
  border-radius: 12px;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--text-2);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.sub-tabs button .s-ico {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}

.sub-tabs button:hover { color: var(--text); border-color: var(--primary); }
.sub-tabs button.active {
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 16%, transparent), color-mix(in srgb, var(--primary-2) 10%, transparent));
  border-color: var(--primary);
  color: var(--primary);
}

.sub-panel { display: none; }
.sub-panel.active { display: block; animation: fadeUp 0.35s ease; }

/* ============ 流程/技术路径 ============ */
.flow-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 8px;
}

.flow-strip .fstep {
  flex: 1;
  min-width: 120px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  position: relative;
}

.flow-strip .fstep .fn { font-size: 26px; font-weight: 800; color: var(--primary); display: block; }
.flow-strip .fstep .ft { font-size: 13px; color: var(--text-2); margin-top: 4px; }

.flow-strip .fstep + .fstep::before {
  content: "›";
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-size: 20px;
}

/* ============ 系统信息卡 ============ */
.sys-info {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.sys-info .si {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
}

.sys-info .si .si-lbl { font-size: 12.5px; color: var(--text-3); letter-spacing: 1px; margin-bottom: 4px; }
.sys-info .si .si-val { font-size: 15px; color: var(--text); font-weight: 600; word-break: break-all; }
.sys-info .si .si-val.mono { font-family: Consolas, monospace; color: var(--primary); }

/* ============ 相关方 · 业务逻辑 ============ */
.biz-flow {
  background: linear-gradient(160deg, var(--card), var(--card-2));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 22px 18px;
  margin-bottom: 26px;
}
.biz-flow-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 18px;
}
.biz-flow-title .biz-flow-ic {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  flex: none;
}
.biz-flow-title .biz-flow-ic svg { width: 17px; height: 17px; }
.biz-flow-sub {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-3);
  font-weight: 500;
  letter-spacing: 1px;
  white-space: nowrap;
}
.biz-flow-scroll { overflow-x: auto; }
.biz-flow-grid {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  grid-template-rows: auto 30px auto;
  gap: 6px;
  align-items: stretch;
  min-width: 980px;
}
.biz-node {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--primary);
  border-radius: 10px;
  padding: 10px 8px 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  transition: transform .2s, box-shadow .2s;
}
.biz-node:hover { transform: translateY(-3px); box-shadow: 0 8px 18px rgba(2, 132, 199, 0.12); }
.biz-node .biz-num {
  position: absolute;
  top: -10px;
  left: 8px;
  font-size: 10px;
  font-weight: 800;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 12%, var(--card));
  border: 1px solid color-mix(in srgb, var(--primary) 35%, transparent);
  border-radius: 999px;
  padding: 1px 7px;
  line-height: 1.6;
}
.biz-node .biz-ic {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--primary);
  flex: none;
}
.biz-node .biz-ic svg { width: 16px; height: 16px; }
.biz-node b { font-size: 13px; color: var(--text); font-weight: 700; }
.biz-node small {
  font-size: 11px;
  color: var(--text-2);
  line-height: 1.5;
}
.biz-node .biz-tag {
  margin-top: 2px;
  font-size: 10px;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 8%, transparent);
  border-radius: 999px;
  padding: 1px 8px;
  white-space: nowrap;
}
.biz-node.warn { border-top-color: #f59e0b; }
.biz-node.warn .biz-num { color: #b45309; background: rgba(245, 158, 11, 0.12); border-color: rgba(245, 158, 11, 0.4); }
.biz-node.warn .biz-tag { color: #b45309; background: rgba(245, 158, 11, 0.12); }
.biz-node .biz-tag.green { color: #047857; background: rgba(16, 185, 129, 0.12); }
.biz-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--primary-2);
  font-weight: 700;
  user-select: none;
}
.biz-arrow.v { font-size: 18px; }
.biz-flow-notes {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.biz-flow-notes span {
  font-size: 11.5px;
  color: var(--text-2);
  background: var(--card-2);
  border: 1px dashed var(--line);
  border-radius: 999px;
  padding: 4px 12px;
}
.biz-flow-notes span b { color: var(--primary); font-weight: 600; }

/* 三方协同泳道 */
.biz-lanes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-bottom: 10px;
}
.biz-lane {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}
.biz-lane .bl-ic {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 10px;
}
.biz-lane .bl-ic svg { width: 20px; height: 20px; }
.biz-lane h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; color: var(--text); }
.biz-lane p { font-size: 13px; color: var(--text-2); line-height: 1.8; margin: 0; }

/* ============ 相关方 · 市场分析 ============ */
.market-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}
.market-stat {
  background: linear-gradient(160deg, var(--card), color-mix(in srgb, var(--primary) 5%, var(--card-2)));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 14px 14px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.market-stat::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
}
.market-stat .ms-num {
  font-size: 27px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.market-stat .ms-num small { font-size: 13px; font-weight: 600; color: var(--text-2); margin-left: 2px; }
.market-stat .ms-lbl { font-size: 12px; color: var(--text-2); margin-top: 8px; line-height: 1.5; min-height: 36px; }
.market-stat .ms-tag {
  display: inline-block;
  margin-top: 6px;
  font-size: 11px;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  border-radius: 999px;
  padding: 2px 10px;
}
.market-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}
.market-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}
.market-card .mc-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.market-card .mc-ic {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--primary);
  flex: none;
}
.market-card .mc-ic svg { width: 18px; height: 18px; }
.market-card h4 { font-size: 15px; font-weight: 700; color: var(--text); }
.market-card ul { margin: 0; padding-left: 17px; color: var(--text-2); font-size: 13px; line-height: 1.9; }
.market-card ul li::marker { color: var(--primary); }

/* 商业模式 */
.biz-strategy {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}
.bs-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}
.bs-card .bs-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.bs-card .bs-ic {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex: none;
}
.bs-card .bs-ic svg { width: 18px; height: 18px; }
.bs-card h4 { font-size: 14.5px; font-weight: 700; color: var(--text); }
.bs-card p { font-size: 13px; color: var(--text-2); line-height: 1.8; margin: 0; }

/* 行动路线图 */
.roadmap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}
.road-step {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 18px 16px 26px;
}
.road-step::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: linear-gradient(var(--primary), transparent);
}
.road-step .road-dot {
  position: absolute;
  left: 5px;
  top: 21px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}
.road-step .road-phase { font-size: 14.5px; font-weight: 700; color: var(--text); }
.road-step .road-time {
  display: inline-block;
  margin: 6px 0;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  border-radius: 999px;
  padding: 2px 10px;
}
.road-step p { font-size: 12.5px; color: var(--text-2); line-height: 1.7; margin: 0; }

@media (max-width: 720px) {
  .biz-flow-title { flex-wrap: wrap; }
  .biz-flow-sub { margin-left: 0; width: 100%; }
}

/* ============ 安全管理 · 架构模型 ============ */
.arch-card {
  background: linear-gradient(160deg, var(--card), var(--card-2));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  margin-bottom: 24px;
}
.arch-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.arch-head .arch-ic {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  flex: none;
}
.arch-head .arch-ic svg { width: 18px; height: 18px; }
.arch-title { display: flex; flex-direction: column; line-height: 1.4; }
.arch-title b { font-size: 16px; font-weight: 700; color: var(--text); }
.arch-title small { font-size: 12px; color: var(--text-3); letter-spacing: 0.5px; }

/* 五层架构图 */
.arch-stack { display: flex; flex-direction: column; gap: 0; }
.arch-layer {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
}
.arch-layer .arch-lbl {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 9%, transparent);
  border-radius: 8px;
  padding: 6px 0;
  text-align: center;
  white-space: nowrap;
}
.arch-layer .arch-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.arch-nodes span {
  font-size: 12px;
  color: var(--text);
  background: color-mix(in srgb, var(--primary) 7%, var(--card-2));
  border: 1px solid color-mix(in srgb, var(--primary) 16%, var(--line));
  border-radius: 8px;
  padding: 5px 10px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  vertical-align: middle;
}
.arch-nodes span svg {
  flex: none;
  width: 14px;
  height: 14px;
  display: block;
}
.arch-layer.app .arch-lbl { color: #0ea5e9; }
.arch-layer.biz .arch-lbl { color: #0284c7; }
.arch-layer.eng .arch-lbl { color: #7c3aed; }
.arch-layer.edge .arch-lbl { color: #0d9488; }
.arch-layer.sen .arch-lbl { color: #d97706; }
.arch-conn {
  width: 1px;
  height: 18px;
  margin: 2px auto;
  background: linear-gradient(var(--primary-2), var(--primary));
  opacity: 0.5;
}

/* 五位一体模型图 */
.five-model {
  position: relative;
  background: radial-gradient(circle at center, color-mix(in srgb, var(--primary) 7%, var(--card-2)), var(--card));
  border: 1px dashed color-mix(in srgb, var(--primary) 30%, var(--line));
  border-radius: 14px;
  padding: 22px 16px 16px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: auto auto;
  gap: 14px;
  align-items: start;
}
.five-core {
  grid-column: 1 / -1;
  grid-row: 1;
  justify-self: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  text-align: center;
  padding: 16px;
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--primary) 10%, transparent);
}
.five-core svg { width: 24px; height: 24px; }
.five-core b { font-size: 13px; line-height: 1.4; }
.five-core small { font-size: 10px; opacity: 0.9; }
.five-item {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--primary);
  border-radius: 10px;
  padding: 12px 12px 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.five-item .fi-num {
  position: absolute;
  top: -8px;
  right: 10px;
  font-size: 10px;
  font-weight: 800;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 10%, var(--card));
  border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
  border-radius: 999px;
  padding: 0 7px;
  line-height: 1.7;
}
.five-item b { font-size: 13px; color: var(--text); line-height: 1.4; }
.five-item small { font-size: 11px; color: var(--text-3); }
.five-item.fi-1 { grid-column: 1; grid-row: 2; }
.five-item.fi-2 { grid-column: 2; grid-row: 2; }
.five-item.fi-3 { grid-column: 3; grid-row: 2; }
.five-item.fi-4 { grid-column: 4; grid-row: 2; }
.five-item.fi-5 { grid-column: 5; grid-row: 2; }
.five-item.fi-4, .five-item.fi-5 { border-left-color: #0d9488; }
.five-item.fi-4 .fi-num, .five-item.fi-5 .fi-num { color: #0d9488; }

/* 数据关联模型 */
.data-link {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
  align-items: center;
}
.dl-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
}
.dl-col .dl-head {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-2);
  letter-spacing: 2px;
  margin-bottom: 2px;
}
.dl-col span {
  font-size: 12.5px;
  color: var(--text);
  background: color-mix(in srgb, var(--primary) 7%, var(--card-2));
  border-radius: 8px;
  padding: 7px 10px;
  text-align: center;
}
.dl-mid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.dl-core {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-radius: 12px;
  padding: 16px 18px;
  text-align: center;
  box-shadow: 0 6px 18px color-mix(in srgb, var(--primary) 25%, transparent);
}
.dl-arrow { font-size: 18px; color: var(--primary-2); font-weight: 700; }
.dl-note {
  margin-top: 14px;
  padding: 12px 14px;
  background: var(--card-2);
  border: 1px dashed var(--line);
  border-radius: 10px;
  font-size: 12.5px;
  color: var(--text-2);
  text-align: center;
  letter-spacing: 0.5px;
}

/* ============ 安全管理 · 业务流程 ============ */
.dual-loop {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 16px;
}
.dl-loop {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
}
.loop-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 9%, transparent);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 12px;
}
.loop-tag.risk { color: #b45309; background: rgba(245, 158, 11, 0.12); }
.loop-tag.hidden { color: #047857; background: rgba(16, 185, 129, 0.12); }
.loop-row {
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 6px;
}
.lp-node {
  flex: 1 1 0;
  min-width: 78px;
  background: var(--card-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--primary);
  border-radius: 9px;
  padding: 8px 6px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.lp-node b { font-size: 12px; color: var(--text); }
.lp-node small { font-size: 10.5px; color: var(--text-3); }
.lp-arrow { align-self: center; color: var(--primary-2); font-weight: 700; font-size: 15px; flex: none; }
.lp-back {
  width: 100%;
  margin-top: 8px;
  text-align: center;
  font-size: 11px;
  color: var(--text-3);
  border-top: 1px dashed var(--line);
  padding-top: 6px;
  letter-spacing: 1px;
}

/* 流程链 */
.proc-chain {
  display: flex;
  align-items: stretch;
  gap: 8px;
  flex-wrap: wrap;
}
.pc-node {
  flex: 1 1 0;
  min-width: 128px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 10px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.pc-node:hover { transform: translateY(-3px); box-shadow: 0 8px 18px rgba(2, 132, 199, 0.12); }
.pc-node::before {
  content: "";
  display: block;
  width: 34px;
  height: 3px;
  margin: 0 auto 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
}
.pc-node b { font-size: 13.5px; color: var(--text); }
.pc-node small { font-size: 11px; color: var(--text-3); line-height: 1.5; }
.pc-arrow { align-self: center; color: var(--primary-2); font-weight: 700; font-size: 17px; flex: none; }

/* ============ AI 工具 · 架构高亮与价值卡片 ============ */
.arch-layer.highlight {
  background: linear-gradient(90deg, color-mix(in srgb, var(--primary) 12%, var(--card-2)), color-mix(in srgb, var(--primary) 4%, var(--card-2)));
  border: 1px solid color-mix(in srgb, var(--primary) 35%, var(--line));
  border-radius: 12px;
  padding: 10px 12px;
}
.arch-layer.highlight .arch-lbl {
  color: var(--primary);
  font-weight: 800;
}

.ai-value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.ai-value-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.ai-value-card:hover { transform: translateY(-3px); box-shadow: 0 10px 22px rgba(124, 58, 237, 0.1); }
.ai-value-card .ai-v-ico {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--primary);
}
.ai-value-card b { font-size: 14px; color: var(--text); }
.ai-value-card p { font-size: 12px; line-height: 1.7; color: var(--text-2); margin: 0; }
.ai-value-card.safe .ai-v-ico { background: linear-gradient(135deg, #7c3aed, #a855f7); }
.ai-value-card.quality .ai-v-ico { background: linear-gradient(135deg, #0d9488, #14b8a6); }
.ai-value-card.eff .ai-v-ico { background: linear-gradient(135deg, #2563eb, #3b82f6); }
.ai-value-card.data .ai-v-ico { background: linear-gradient(135deg, #d97706, #f59e0b); }

/* ============ 人员定位 · 标准解读 ============ */
.std-banner {
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 10%, var(--card)), var(--card-2));
  border: 1px solid color-mix(in srgb, var(--primary) 32%, var(--line));
  border-radius: 16px;
  padding: 22px;
  margin-bottom: 24px;
}
.std-banner-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.std-banner-ic {
  width: 46px;
  height: 46px;
  flex: none;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 8px 18px color-mix(in srgb, var(--primary) 30%, transparent);
}
.std-banner-title { flex: 1; min-width: 0; }
.std-banner-title small {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary) 25%, transparent);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.std-banner-title h4 {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 6px;
}
.std-banner-title p { font-size: 12.5px; color: var(--text-3); letter-spacing: 0.5px; }
.std-banner-badge {
  flex: none;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), #a855f7);
  padding: 8px 14px;
  border-radius: 10px;
  white-space: nowrap;
}
.std-banner-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 16px;
}
.std-banner-meta span {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-2);
}
.std-banner-meta span b {
  display: block;
  font-size: 12.5px;
  color: var(--primary);
  margin-bottom: 2px;
}

/* 法规体系链 */
.reg-chain .pc-node { min-width: 150px; }
.reg-chain .pc-node.reg-focus { border-color: var(--line); }
.reg-chain .pc-node.reg-focus b { color: var(--text); }
.reg-chain .pc-node.reg-focus::before { background: linear-gradient(90deg, #0d9488, #14b8a6); }
.reg-chain .pc-node .reg-tag {
  display: inline-block;
  margin-top: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #fff;
  background: linear-gradient(90deg, var(--primary), #a855f7);
  padding: 2px 8px;
  border-radius: 999px;
}

/* 核心量化指标 */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.spec-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.spec-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 22px rgba(124, 58, 237, 0.1);
  border-color: color-mix(in srgb, var(--primary) 40%, var(--line));
}
.spec-card .spec-ico {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--primary);
  margin-bottom: 4px;
}
.spec-card b { font-size: 13.5px; color: var(--text); }
.spec-card .spec-num {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
}
.spec-card small { font-size: 11.5px; line-height: 1.6; color: var(--text-3); }
.spec-card:nth-child(1) .spec-ico { background: linear-gradient(135deg, #7c3aed, #a855f7); }
.spec-card:nth-child(2) .spec-ico { background: linear-gradient(135deg, #0d9488, #14b8a6); }
.spec-card:nth-child(3) .spec-ico { background: linear-gradient(135deg, #2563eb, #3b82f6); }
.spec-card:nth-child(4) .spec-ico { background: linear-gradient(135deg, #d97706, #f59e0b); }
.spec-card:nth-child(5) .spec-ico { background: linear-gradient(135deg, #db2777, #ec4899); }
.spec-card:nth-child(6) .spec-ico { background: linear-gradient(135deg, #dc2626, #ef4444); }

/* 聚集预警分级 */
.warn-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.warn-level {
  position: relative;
  border-radius: 12px;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--card);
  border: 1px solid var(--line);
  overflow: hidden;
}
.warn-level::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
}
.warn-level.warn-y::before { background: linear-gradient(90deg, #facc15, #f59e0b); }
.warn-level.warn-o::before { background: linear-gradient(90deg, #fb923c, #ea580c); }
.warn-level.warn-r::before { background: linear-gradient(90deg, #f87171, #dc2626); }
.warn-level .warn-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: inline-block;
}
.warn-y .warn-dot { background: #facc15; box-shadow: 0 0 0 4px rgba(250, 204, 21, 0.25); }
.warn-o .warn-dot { background: #fb923c; box-shadow: 0 0 0 4px rgba(251, 146, 60, 0.25); }
.warn-r .warn-dot { background: #ef4444; box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.25); }
.warn-level .warn-tag {
  align-self: flex-start;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  color: #fff;
}
.warn-y .warn-tag { background: linear-gradient(90deg, #f59e0b, #facc15); }
.warn-o .warn-tag { background: linear-gradient(90deg, #ea580c, #fb923c); }
.warn-r .warn-tag { background: linear-gradient(90deg, #dc2626, #ef4444); }
.warn-level b {
  font-size: 26px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
}
.warn-y b { color: #d97706; }
.warn-o b { color: #ea580c; }
.warn-r b { color: #dc2626; }
.warn-level small { font-size: 11.5px; line-height: 1.6; color: var(--text-3); }
.warn-note {
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-3);
  padding: 10px 12px;
  background: color-mix(in srgb, var(--primary) 6%, transparent);
  border-left: 3px solid var(--primary);
  border-radius: 6px;
}

/* ============ 法规节点可点击 ============ */
.reg-clickable { cursor: pointer; outline: none; }
.reg-clickable:hover {
  border-color: var(--primary);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--primary) 18%, transparent);
}
.reg-clickable:focus-visible {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 25%, transparent);
}
.reg-hint {
  margin-top: 4px;
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  opacity: 0.85;
}

/* ============ 法律法规摘要弹窗 ============ */
.law-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
.law-modal.open { opacity: 1; visibility: visible; }
.law-modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(3px);
}
.law-modal-box {
  position: relative;
  width: 100%;
  max-width: 560px;
  max-height: 82vh;
  overflow-y: auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px 26px 22px;
  transform: translateY(16px) scale(0.98);
  transition: transform 0.25s ease;
  box-shadow: 0 24px 60px rgba(2, 6, 23, 0.35);
}
.law-modal.open .law-modal-box { transform: translateY(0) scale(1); }
.law-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 50%;
  background: var(--card-2);
  color: var(--text-2);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.law-modal-close:hover {
  background: color-mix(in srgb, var(--primary) 12%, var(--card-2));
  color: var(--primary);
  transform: rotate(90deg);
}
.law-modal-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-right: 28px;
  margin-bottom: 16px;
}
.law-modal-ic {
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 8px 18px color-mix(in srgb, var(--primary) 30%, transparent);
}
.law-modal-head small {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--primary);
  margin-bottom: 4px;
}
.law-modal-head h4 {
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--text);
}
.law-summary {
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-2);
  padding: 12px 14px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--primary) 6%, var(--card-2));
  border-left: 3px solid var(--primary);
  margin-bottom: 14px;
}
.law-points { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.law-points li {
  display: flex;
  gap: 12px;
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
}
.law-points li b {
  flex: none;
  min-width: 62px;
  font-size: 12px;
  font-weight: 800;
  color: #fff;
  background: var(--primary);
  border-radius: 7px;
  padding: 4px 8px;
  text-align: center;
  align-self: flex-start;
}
.law-points li span { font-size: 12.5px; line-height: 1.65; color: var(--text-2); }
.law-foot {
  margin-top: 14px;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--text-3);
  padding: 10px 12px;
  border-top: 1px dashed var(--line);
}
body.modal-open { overflow: hidden; }

@media (max-width: 960px) {
  .std-banner-meta { grid-template-columns: repeat(2, 1fr); }
  .spec-grid { grid-template-columns: repeat(2, 1fr); }
  .warn-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .arch-layer { grid-template-columns: 1fr; }
  .arch-lbl { max-width: 120px; }
  .five-model { grid-template-columns: repeat(2, 1fr); }
  .five-core { grid-column: 1 / 3; grid-row: auto; width: 160px; height: 150px; }
  .five-item.fi-1 { grid-column: 1; grid-row: auto; }
  .five-item.fi-2 { grid-column: 2; grid-row: auto; }
  .five-item.fi-3 { grid-column: 1; grid-row: auto; }
  .five-item.fi-4 { grid-column: 2; grid-row: auto; }
  .five-item.fi-5 { grid-column: 1 / 3; grid-row: auto; }
  .data-link { grid-template-columns: 1fr; }
  .dl-mid { flex-direction: row; }
  .dual-loop { grid-template-columns: 1fr; }
  .ai-value-grid { grid-template-columns: 1fr 1fr; }
  .spec-grid { grid-template-columns: 1fr 1fr; }
  .warn-grid { grid-template-columns: 1fr 1fr; }
  .std-banner-head { flex-wrap: wrap; }
  .std-banner-badge { margin-left: 60px; }
}

@media (max-width: 480px) {
  .ai-value-grid { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
  .warn-grid { grid-template-columns: 1fr; }
}