/* ==========================================================
   软著小宝 - 软件著作权资料平台
   蓝色科技感设计系统
   ========================================================== */

:root {
  /* 主色调 - 科技蓝 */
  --c-primary: #0066FF;
  --c-primary-dark: #0046B8;
  --c-primary-deep: #0A1F44;
  --c-navy: #0A1628;
  --c-navy-2: #0F1B35;

  /* 辅助色 */
  --c-cyan: #00D4FF;
  --c-cyan-soft: #5EE9FF;
  --c-glow: rgba(0, 212, 255, 0.45);

  /* 中性色 */
  --c-bg: #F5F8FF;
  --c-bg-2: #EAF1FF;
  --c-white: #FFFFFF;
  --c-text: #1A2B4A;
  --c-text-soft: #5A6B85;
  --c-line: #E2EAF7;

  /* 状态色 */
  --c-success: #16C47F;
  --c-warning: #FFB020;
  --c-danger: #FF4D4F;

  /* 渐变 */
  --grad-hero: linear-gradient(135deg, #0A1F44 0%, #0A1628 40%, #0F2A5C 100%);
  --grad-primary: linear-gradient(135deg, #0066FF 0%, #00D4FF 100%);
  --grad-card: linear-gradient(160deg, rgba(0, 102, 255, 0.06) 0%, rgba(0, 212, 255, 0.04) 100%);
  --grad-glow: radial-gradient(circle at 50% 0%, rgba(0, 212, 255, 0.25) 0%, transparent 60%);

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(10, 31, 68, 0.06);
  --shadow-md: 0 8px 28px rgba(10, 31, 68, 0.10);
  --shadow-lg: 0 18px 50px rgba(10, 31, 68, 0.14);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.35);

  /* 圆角 */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 30px;

  /* 间距 */
  --container: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans CN", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--c-primary); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

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

/* ==========================================================
   顶部导航
   ========================================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 70px;
  background: rgba(225, 238, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0, 102, 255, 0.15);
  transition: background .3s ease, box-shadow .3s ease;
}
.navbar.scrolled {
  background: rgba(235, 245, 255, 0.96);
  box-shadow: 0 4px 24px rgba(0, 70, 184, 0.10);
}
.nav-inner {
  max-width: var(--container);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--c-primary-deep);
}
.brand-logo {
  width: 42px; height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 6px rgba(0, 102, 255, 0.30));
  transition: filter .3s ease;
}
.brand:hover .brand-logo img {
  filter: drop-shadow(0 0 12px rgba(0, 102, 255, 0.55));
}
@keyframes spin { to { transform: rotate(360deg); } }
.brand-text { line-height: 1.1; }
.brand-name { font-size: 18px; font-weight: 700; letter-spacing: 1px; }
.brand-sub { font-size: 10px; color: var(--c-primary); letter-spacing: 3px; margin-top: 2px; }

.nav-menu {
  display: flex;
  gap: 6px;
}
.nav-menu a {
  color: var(--c-text);
  font-size: 15px;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 500;
  transition: all .25s ease;
}
.nav-menu a:hover,
.nav-menu a.active {
  color: var(--c-primary);
  background: rgba(0, 102, 255, 0.10);
}
.nav-cta {
  padding: 8px 18px !important;
  background: var(--grad-primary) !important;
  color: #fff !important;
  border-radius: 20px;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(0, 102, 255, 0.35);
}
.nav-cta:hover {
  color: #fff !important;
  background: var(--grad-primary) !important;
  opacity: 0.9;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--c-primary-deep);
  border-radius: 2px;
  transition: all .3s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: rgba(235, 245, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding: 12px 24px 24px;
    transform: translateY(-150%);
    transition: transform .35s ease;
    border-bottom: 1px solid rgba(0, 102, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 70, 184, 0.10);
  }
  .nav-menu.open { transform: translateY(0); }
  .nav-menu a { padding: 14px 12px; border-radius: 0; border-bottom: 1px solid rgba(0, 102, 255, 0.08); }
  .nav-cta { margin-top: 8px; text-align: center; border-radius: 8px; }
}

/* ==========================================================
   通用区块
   ========================================================== */
section { position: relative; }
.section { padding: 90px 0; }
.section-dark { background: var(--c-navy); color: #cfdcef; }
.section-soft { background: var(--c-bg); }

.section-head { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  padding: 5px 16px;
  background: rgba(0, 102, 255, 0.10);
  color: var(--c-primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.section-dark .section-tag {
  background: rgba(0, 212, 255, 0.12);
  color: var(--c-cyan);
}
.section-title {
  font-size: 34px;
  font-weight: 800;
  color: var(--c-text);
  letter-spacing: 1px;
  line-height: 1.3;
}
.section-dark .section-title { color: #fff; }
.section-title .accent { color: var(--c-primary); }
.section-dark .section-title .accent { color: var(--c-cyan); }
.section-sub {
  margin-top: 14px;
  color: var(--c-text-soft);
  font-size: 16px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
.section-dark .section-sub { color: #8fa4c4; }

@media (max-width: 720px) {
  .section { padding: 60px 0; }
  .section-title { font-size: 26px; }
  .section-head { margin-bottom: 40px; }
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 26px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all .25s ease;
}
.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: 0 8px 22px rgba(0, 102, 255, 0.35);
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 102, 255, 0.45);
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}
.btn-ghost:hover {
  color: #fff;
  border-color: var(--c-cyan);
  background: rgba(0, 212, 255, 0.08);
}
.btn-light {
  background: #fff;
  color: var(--c-primary);
  box-shadow: var(--shadow-md);
}
.btn-light:hover { color: var(--c-primary-dark); transform: translateY(-2px); }

/* ==========================================================
   Hero 首屏
   ========================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 140px 0 80px;
  background: var(--grad-hero);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(0, 102, 255, 0.35) 0%, transparent 45%),
    radial-gradient(circle at 85% 30%, rgba(0, 212, 255, 0.25) 0%, transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(0, 70, 184, 0.30) 0%, transparent 55%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 40%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 0%, transparent 75%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 212, 255, 0.10);
  border: 1px solid rgba(0, 212, 255, 0.30);
  border-radius: 20px;
  color: var(--c-cyan);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 24px;
}
.hero-tag .dot {
  width: 8px; height: 8px;
  background: var(--c-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--c-cyan);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 2px;
  margin-bottom: 18px;
}
.hero h1 .highlight {
  background: linear-gradient(120deg, #00D4FF 0%, #5EE9FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero h1 .stroke {
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.6);
}
.hero-lead {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.82);
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-meta {
  margin-top: 50px;
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.hero-meta .item .num {
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
}
.hero-meta .item .num .plus { color: var(--c-cyan); }
.hero-meta .item .lbl { font-size: 13px; color: rgba(255, 255, 255, 0.6); margin-top: 4px; }

/* Hero 卡片预览 */
.hero-visual {
  position: relative;
}
.dashboard {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 212, 255, 0.20);
  border-radius: var(--r-lg);
  padding: 22px;
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}
.dash-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px; padding-bottom: 14px;
  border-bottom: 1px solid rgba(0, 212, 255, 0.12);
}
.dash-head .title { font-size: 14px; color: #cfdcef; font-weight: 600; }
.dash-head .badge {
  padding: 3px 10px;
  background: rgba(255, 77, 79, 0.15);
  color: #FF6B6B;
  font-size: 11px;
  font-weight: 600;
  border-radius: 12px;
  border: 1px solid rgba(255, 77, 79, 0.30);
}
.dash-score {
  display: flex; align-items: baseline; gap: 10px;
  margin-bottom: 18px;
}
.dash-score .num {
  font-size: 44px; font-weight: 800; color: #FF6B6B; line-height: 1;
}
.dash-score .lbl { font-size: 12px; color: #8fa4c4; }
.dash-metrics {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 10px; margin-bottom: 18px;
}
.metric {
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid rgba(0, 212, 255, 0.12);
  border-radius: 10px;
  padding: 10px;
  text-align: center;
}
.metric .v { font-size: 18px; font-weight: 700; color: #fff; }
.metric .l { font-size: 10px; color: #8fa4c4; margin-top: 2px; }
.dash-bars { display: flex; flex-direction: column; gap: 8px; }
.bar-row {
  display: flex; align-items: center; gap: 10px;
  font-size: 11px;
}
.bar-row .lbl { color: #cfdcef; width: 90px; flex-shrink: 0; }
.bar-row .track {
  flex: 1; height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px; overflow: hidden;
}
.bar-row .fill {
  height: 100%; border-radius: 4px;
  background: var(--grad-primary);
}
.bar-row .pct { color: #8fa4c4; font-size: 10px; width: 30px; text-align: right; }
.bar-row.high .fill { background: linear-gradient(90deg, #FF4D4F, #FF8A80); }
.bar-row.low .fill { background: linear-gradient(90deg, #16C47F, #5EE9C4); }

.floating-chip {
  position: absolute;
  background: rgba(10, 31, 68, 0.85);
  border: 1px solid rgba(0, 212, 255, 0.30);
  backdrop-filter: blur(10px);
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 12px;
  color: #fff;
  display: flex; align-items: center; gap: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  animation: float 4s ease-in-out infinite;
}
.floating-chip .ic {
  width: 22px; height: 22px;
  border-radius: 6px;
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
}
.floating-chip.c1 { top: -18px; left: -20px; animation-delay: 0s; }
.floating-chip.c2 { bottom: 40px; right: -28px; animation-delay: 1.5s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 38px; }
  .hero-visual { margin-top: 30px; }
}
@media (max-width: 540px) {
  .hero { padding: 110px 0 50px; }
  .hero h1 { font-size: 30px; }
  .hero-meta { gap: 24px; }
  .hero-meta .item .num { font-size: 24px; }
  .floating-chip { display: none; }
}

/* ==========================================================
   核心服务卡片网格
   ========================================================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: 32px 26px;
  transition: all .35s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-ic {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--grad-card);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  color: var(--c-primary);
}
.feature-ic svg { width: 28px; height: 28px; }
.feature-no {
  position: absolute;
  top: 22px; right: 24px;
  font-size: 56px;
  font-weight: 800;
  color: rgba(0, 102, 255, 0.06);
  line-height: 1;
}
.feature-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 10px;
}
.feature-desc {
  font-size: 14px;
  color: var(--c-text-soft);
  line-height: 1.75;
  margin-bottom: 18px;
}
.feature-list li {
  font-size: 13px;
  color: var(--c-text-soft);
  padding-left: 20px;
  position: relative;
  margin-bottom: 7px;
  line-height: 1.6;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 12px; height: 2px;
  background: var(--c-primary);
  border-radius: 2px;
}

@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .feature-grid { grid-template-columns: 1fr; }
}

/* ==========================================================
   服务流程
   ========================================================== */
.flow {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 0;
  position: relative;
}
.flow::before {
  content: "";
  position: absolute;
  top: 32px;
  left: 8%; right: 8%;
  height: 2px;
  background: linear-gradient(90deg,
    transparent, rgba(0, 212, 255, 0.5) 10%, rgba(0, 212, 255, 0.5) 90%, transparent);
  z-index: 0;
}
.flow-step {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 8px;
}
.flow-no {
  width: 64px; height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--grad-hero);
  border: 2px solid var(--c-cyan);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800;
  color: #fff;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
  position: relative;
}
.flow-step:hover .flow-no {
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.6);
}
.flow-title {
  font-size: 16px; font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.flow-desc {
  font-size: 13px;
  color: #8fa4c4;
  line-height: 1.6;
}
.flow-arrow {
  display: none;
}

@media (max-width: 720px) {
  .flow {
    flex-direction: column;
    gap: 24px;
  }
  .flow::before { display: none; }
  .flow-arrow { display: block; color: var(--c-cyan); text-align: center; }
}

/* ==========================================================
   数据统计条
   ========================================================== */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.stat {
  text-align: center;
  padding: 20px;
  border-right: 1px solid rgba(0, 212, 255, 0.12);
}
.stat:last-child { border-right: none; }
.stat .num {
  font-size: 42px;
  font-weight: 800;
  color: var(--c-cyan);
  line-height: 1;
  letter-spacing: 1px;
}
.stat .num .plus { color: #fff; }
.stat .lbl {
  margin-top: 10px;
  font-size: 14px;
  color: #8fa4c4;
}
@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stat { border-right: none; border-bottom: 1px solid rgba(0, 212, 255, 0.12); padding-bottom: 16px; }
  .stat .num { font-size: 32px; }
}

/* ==========================================================
   通用页面 Banner
   ========================================================== */
.page-banner {
  position: relative;
  padding: 150px 0 70px;
  background: var(--grad-hero);
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(0, 102, 255, 0.30) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(0, 212, 255, 0.18) 0%, transparent 55%);
}
.page-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at 50% 50%, #000 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, #000 0%, transparent 80%);
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.page-banner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 640px;
  margin: 0 auto;
}
.breadcrumb {
  margin-top: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}
.breadcrumb a:hover { color: var(--c-cyan); }
.breadcrumb .sep { margin: 0 8px; }

@media (max-width: 720px) {
  .page-banner { padding: 120px 0 50px; }
  .page-banner h1 { font-size: 28px; }
}

/* ==========================================================
   关于我们
   ========================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}
.about-text h3 {
  font-size: 26px;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 22px;
  line-height: 1.4;
}
.about-text h3 .accent { color: var(--c-primary); }
.about-text p {
  font-size: 15px;
  color: var(--c-text-soft);
  line-height: 1.95;
  margin-bottom: 16px;
}
.about-visual {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--grad-hero);
  min-height: 360px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(0, 212, 255, 0.20);
}
.about-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(0, 212, 255, 0.30) 0%, transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(0, 102, 255, 0.30) 0%, transparent 55%);
}
.about-visual .core {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
}
.about-visual .core .ic {
  width: 80px; height: 80px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.12);
  border: 2px solid rgba(0, 212, 255, 0.4);
  display: flex; align-items: center; justify-content: center;
  font-size: 36px;
  color: var(--c-cyan);
  animation: pulse-glow 3s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.4); }
  50% { box-shadow: 0 0 0 16px rgba(0, 212, 255, 0); }
}
.about-visual .core h4 {
  font-size: 22px; font-weight: 700;
  margin-bottom: 6px;
}
.about-visual .core p {
  color: #8fa4c4; font-size: 13px; letter-spacing: 2px;
}

.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.adv-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  transition: all .3s ease;
}
.adv-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.adv-ic {
  width: 60px; height: 60px;
  margin: 0 auto 16px;
  border-radius: 16px;
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  box-shadow: 0 8px 20px rgba(0, 102, 255, 0.30);
}
.adv-ic svg { width: 30px; height: 30px; }
.adv-title {
  font-size: 17px; font-weight: 700;
  color: var(--c-text);
  margin-bottom: 8px;
}
.adv-desc { font-size: 13px; color: var(--c-text-soft); line-height: 1.7; }

@media (max-width: 960px) {
  .about-grid { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .adv-grid { grid-template-columns: 1fr; }
}

.domain-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.domain-tag {
  text-align: center;
  padding: 22px 12px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  transition: all .3s ease;
}
.domain-tag:hover {
  background: var(--grad-card);
  color: var(--c-primary);
  border-color: rgba(0, 102, 255, 0.3);
  transform: translateY(-3px);
}
@media (max-width: 720px) {
  .domain-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ==========================================================
   产品服务 - 详细功能
   ========================================================== */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 90px;
}
.service-block:last-child { margin-bottom: 0; }
.service-block.reverse { direction: rtl; }
.service-block.reverse > * { direction: ltr; }

.service-text .tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(0, 102, 255, 0.10);
  color: var(--c-primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  border-radius: 14px;
  margin-bottom: 16px;
}
.service-text h3 {
  font-size: 26px;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 18px;
  line-height: 1.4;
}
.service-text p {
  font-size: 15px;
  color: var(--c-text-soft);
  line-height: 1.9;
  margin-bottom: 22px;
}
.service-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.service-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px;
  background: var(--c-bg);
  border-radius: var(--r-md);
  border: 1px solid var(--c-line);
}
.service-feature .ic {
  width: 28px; height: 28px;
  flex-shrink: 0;
  border-radius: 8px;
  background: var(--grad-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700;
}
.service-feature .tx {
  font-size: 13px;
  color: var(--c-text);
  font-weight: 500;
  line-height: 1.5;
}
.service-feature .tx .sub {
  display: block;
  color: var(--c-text-soft);
  font-size: 11px;
  font-weight: 400;
  margin-top: 2px;
}

/* 服务可视化 */
.service-visual {
  position: relative;
  background: var(--grad-hero);
  border-radius: var(--r-lg);
  padding: 30px;
  min-height: 360px;
  border: 1px solid rgba(0, 212, 255, 0.20);
  overflow: hidden;
  color: #fff;
}
.service-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 70% 20%, rgba(0, 212, 255, 0.25) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(0, 102, 255, 0.25) 0%, transparent 50%);
}
.service-visual > * { position: relative; z-index: 2; }
.sv-head { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.sv-head .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--c-cyan); box-shadow: 0 0 10px var(--c-cyan); }
.sv-head .title { font-size: 14px; color: #cfdcef; font-weight: 600; }
.sv-row {
  display: flex; justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(0, 212, 255, 0.12);
  font-size: 13px;
}
.sv-row .l { color: #8fa4c4; }
.sv-row .v { font-weight: 600; }
.sv-row .v.ok { color: var(--c-success); }
.sv-row .v.warn { color: var(--c-warning); }
.sv-row .v.bad { color: #FF6B6B; }

.sv-ring {
  position: relative;
  width: 140px; height: 140px;
  margin: 16px auto 0;
}
.sv-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.sv-ring .track { fill: none; stroke: rgba(0, 212, 255, 0.15); stroke-width: 10; }
.sv-ring .progress { fill: none; stroke: var(--grad-primary); stroke-width: 10; stroke-linecap: round; }
.sv-ring .pct {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; font-weight: 800;
}

@media (max-width: 860px) {
  .service-block, .service-block.reverse { grid-template-columns: 1fr; direction: ltr; gap: 30px; }
  .service-features { grid-template-columns: 1fr; }
}

/* ==========================================================
   案例展示
   ========================================================== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.case-card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all .35s ease;
  display: flex;
  flex-direction: column;
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.case-cover {
  height: 180px;
  position: relative;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 44px;
}
.case-cover .ovly {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(10, 31, 68, 0) 0%, rgba(10, 31, 68, 0.85) 100%);
}
.case-cover .tag {
  position: absolute; top: 14px; left: 14px;
  padding: 4px 12px;
  background: rgba(0, 212, 255, 0.85);
  color: #0A1F44;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: 12px;
  z-index: 2;
}
.case-cover .ic { position: relative; z-index: 1; }
.case-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.case-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 10px;
}
.case-desc {
  font-size: 13px;
  color: var(--c-text-soft);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 16px;
}
.case-meta {
  display: flex; gap: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  font-size: 11px;
  color: var(--c-text-soft);
}
.case-meta .item { display: flex; align-items: center; gap: 4px; }
.case-meta .item .b { color: var(--c-primary); font-weight: 700; }

@media (max-width: 960px) { .case-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .case-grid { grid-template-columns: 1fr; } }

/* ==========================================================
   联系页
   ========================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-card {
  background: var(--grad-hero);
  color: #fff;
  border-radius: var(--r-lg);
  padding: 40px;
  border: 1px solid rgba(0, 212, 255, 0.20);
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 80% 10%, rgba(0, 212, 255, 0.25) 0%, transparent 50%),
    radial-gradient(circle at 10% 90%, rgba(0, 102, 255, 0.20) 0%, transparent 50%);
}
.contact-card > * { position: relative; z-index: 2; }
.contact-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 24px;
}
.contact-list .item {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(0, 212, 255, 0.10);
}
.contact-list .item:last-child { border-bottom: none; }
.contact-list .ic {
  width: 40px; height: 40px;
  flex-shrink: 0;
  border-radius: 12px;
  background: rgba(0, 212, 255, 0.10);
  border: 1px solid rgba(0, 212, 255, 0.25);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-cyan);
}
.contact-list .ic svg { width: 20px; height: 20px; }
.contact-list .lbl { font-size: 12px; color: #8fa4c4; margin-bottom: 4px; }
.contact-list .val { font-size: 15px; color: #fff; font-weight: 500; line-height: 1.5; }

.qr-row {
  display: flex; gap: 20px;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid rgba(0, 212, 255, 0.12);
}
.qr-card {
  flex: 1;
  text-align: center;
}
.qr-img {
  width: 110px; height: 110px;
  margin: 0 auto 10px;
  background: #fff;
  border-radius: 12px;
  padding: 8px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}
.qr-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 4px;
}
.qr-card .ttl { font-size: 13px; color: #fff; font-weight: 600; }
.qr-card .sub { font-size: 11px; color: #8fa4c4; margin-top: 2px; }

.contact-form {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}
.contact-form h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--c-text);
}
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-size: 13px;
  color: var(--c-text);
  font-weight: 600;
  margin-bottom: 8px;
}
.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  font-size: 14px;
  font-family: inherit;
  background: var(--c-bg);
  color: var(--c-text);
  transition: all .25s ease;
}
.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--c-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.12);
}
.form-row textarea { resize: vertical; min-height: 100px; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.map-card {
  margin-top: 40px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.map-card-head { padding: 24px 28px; border-bottom: 1px solid var(--c-line); }
.map-card-head h3 { font-size: 18px; font-weight: 700; color: var(--c-text); margin-bottom: 6px; }
.map-card-head p { font-size: 13px; color: var(--c-text-soft); }
.map-box {
  height: 360px;
  background: var(--grad-hero);
  position: relative;
  overflow: hidden;
}
.map-box::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.08) 1px, transparent 1px);
  background-size: 30px 30px;
}
.map-pin {
  position: absolute;
  top: 45%; left: 50%;
  transform: translate(-50%, -100%);
  color: var(--c-cyan);
}
.map-pin .pulse {
  position: absolute; bottom: -6px; left: 50%;
  transform: translateX(-50%);
  width: 16px; height: 16px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.4);
  animation: pin-pulse 2s ease-in-out infinite;
}
@keyframes pin-pulse {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.7; }
  50% { transform: translateX(-50%) scale(2); opacity: 0; }
}
.map-info {
  position: absolute;
  bottom: 20px; left: 20px;
  background: rgba(10, 31, 68, 0.9);
  border: 1px solid rgba(0, 212, 255, 0.30);
  border-radius: 12px;
  padding: 14px 18px;
  color: #fff;
  font-size: 13px;
  max-width: 280px;
}
.map-info .ttl { font-weight: 700; margin-bottom: 4px; color: var(--c-cyan); }

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row-2 { grid-template-columns: 1fr; }
}

/* ==========================================================
   CTA 通用底部行动号召
   ========================================================== */
.cta-band {
  position: relative;
  padding: 70px 0;
  background: var(--grad-hero);
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 25% 50%, rgba(0, 102, 255, 0.30) 0%, transparent 50%),
    radial-gradient(circle at 75% 50%, rgba(0, 212, 255, 0.20) 0%, transparent 55%);
}
.cta-band .container { position: relative; z-index: 2; }
.cta-band h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.cta-band p {
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 28px;
  font-size: 16px;
}
.cta-band .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

@media (max-width: 540px) {
  .cta-band h2 { font-size: 24px; }
}

/* ==========================================================
   页脚
   ========================================================== */
.footer {
  background: var(--c-navy);
  color: #8fa4c4;
  padding: 60px 0 24px;
  border-top: 1px solid rgba(0, 212, 255, 0.10);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(0, 212, 255, 0.10);
}
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
  color: #6b80a3;
  max-width: 280px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 13px;
  color: #8fa4c4;
  transition: color .25s ease;
}
.footer-col ul li a:hover { color: var(--c-cyan); }
.footer-contact .item {
  display: flex; gap: 10px;
  margin-bottom: 12px;
  font-size: 13px;
  color: #8fa4c4;
}
.footer-contact .item .ic { color: var(--c-cyan); flex-shrink: 0; margin-top: 2px; }

.footer-bottom {
  padding-top: 22px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px;
  color: #6b80a3;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a:hover { color: var(--c-cyan); }

@media (max-width: 860px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 540px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ==========================================================
   动画
   ========================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal.delay-1 { transition-delay: .1s; }
.reveal.delay-2 { transition-delay: .2s; }
.reveal.delay-3 { transition-delay: .3s; }
.reveal.delay-4 { transition-delay: .4s; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--c-primary), var(--c-cyan)); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-primary-dark); }

/* 选中色 */
::selection { background: rgba(0, 212, 255, 0.30); color: #fff; }