/* ============================================
   云备安 - 企业级备份软件官网（精装升级版）
   配色：浅色科技蓝（同 beifen8 色系）
   主色 #3860f4 / #2961fd  浅蓝底 #f5f7fd
   深文字 #27274a / #1f2329  点缀 #f56c6c
   ============================================ */

:root {
  --primary: #3860f4;
  --primary-dark: #274dda;
  --primary-light: #2961fd;
  --cyan: #22d3ee;
  --blue-soft: #c4d0ff;
  --blue-bg: #f5f7fd;
  --blue-bg-2: #f6faff;
  --blue-border: #e1e6f0;
  --blue-tint: #e9efff;
  --accent: #f56c6c;
  --title: #27274a;
  --text: #1f2329;
  --text-2: #3d485d;
  --text-3: #666666;
  --text-4: #999999;
  --white: #ffffff;
  --border: #e1e6f0;
  --green: #2ea86d;
  --gradient: linear-gradient(135deg, #3860f4 0%, #2961fd 100%);
  --gradient-2: linear-gradient(135deg, #3860f4 0%, #22d3ee 100%);
  --gradient-soft: linear-gradient(135deg, #e9efff 0%, #f6faff 100%);
  --shadow-sm: 0 2px 10px rgba(39, 39, 74, .05);
  --shadow-md: 0 14px 40px rgba(56, 96, 244, .12);
  --shadow-lg: 0 30px 70px rgba(56, 96, 244, .18);
  --radius: 18px;
  --radius-sm: 12px;
  --transition: all .35s cubic-bezier(.4, 0, .2, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 精致滚动条 */
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: #eef2fb; }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, #3860f4, #2961fd); border-radius: 20px; border: 3px solid #eef2fb; }
::-webkit-scrollbar-thumb:hover { background: #274dda; }

::selection { background: rgba(56, 96, 244, .18); color: var(--title); }

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

/* FontAwesome 图标显示兜底 */
i[class^="fa-"], i[class*=" fa-"] {
  display: inline-block;
  font-style: normal;
  font-variant: normal;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
  line-height: 1;
  vertical-align: middle;
}

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.text-gradient {
  background: var(--gradient-2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
@supports not ((background-clip: text) or (-webkit-background-clip: text)) {
  .text-gradient, .metric-num { background: none; -webkit-text-fill-color: var(--primary); color: var(--primary); }
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: 50px;
  font-size: 15px; font-weight: 600; white-space: nowrap;
  transition: var(--transition); border: 1.5px solid transparent; position: relative; overflow: hidden;
}
.btn::after {
  content: ""; position: absolute; top: 0; left: -120%; width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .35), transparent);
  transform: skewX(-20deg); transition: left .6s ease;
}
.btn:hover::after { left: 140%; }
.btn-lg { padding: 16px 40px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-primary {
  background: var(--gradient); color: var(--white);
  box-shadow: 0 10px 26px rgba(56, 96, 244, .34);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(56, 96, 244, .44); background: var(--primary-dark); }
.btn-outline { border-color: var(--primary); color: var(--primary); background: var(--white); }
.btn-outline:hover { background: var(--blue-tint); transform: translateY(-3px); box-shadow: 0 10px 24px rgba(56, 96, 244, .14); }
.btn-ghost { color: var(--text-2); padding: 8px 16px; }
.btn-ghost:hover { color: var(--primary); }

/* ---------- 导航栏 ---------- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 18px 0; background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  transition: var(--transition);
}
.navbar.scrolled {
  padding: 11px 0;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 6px 28px rgba(39, 39, 74, .10);
  border-bottom: 1px solid var(--blue-border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }

.logo { display: flex; align-items: center; gap: 11px; font-size: 23px; font-weight: 800; color: var(--title); letter-spacing: .5px; }
.logo-icon {
  width: 42px; height: 42px; border-radius: 13px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: var(--white);
  box-shadow: 0 8px 20px rgba(56, 96, 244, .4);
  position: relative;
}
.logo-icon::after {
  content: ""; position: absolute; inset: -3px; border-radius: 16px;
  background: var(--gradient); opacity: .25; filter: blur(8px); z-index: -1;
}

.nav-menu { display: flex; gap: 4px; }
.nav-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 17px; border-radius: 50px;
  color: var(--text-2); font-size: 15px; font-weight: 500; position: relative;
  transition: var(--transition);
}
.nav-link i { font-size: 14px; opacity: .85; transition: var(--transition); }
.nav-link:hover, .nav-link.active { color: var(--primary); background: var(--blue-tint); }
.nav-link:hover i, .nav-link.active i { opacity: 1; }

.nav-actions { display: flex; align-items: center; gap: 10px; }

.nav-toggle { display: none; font-size: 22px; color: var(--title); padding: 6px 10px; }
.nav-close { display: none; }
.nav-drawer-head { display: none; }
.nav-menu-footer { display: none; }
/* 桌面端：滚动容器透明地展开为父级 flex 的直接子项 */
.nav-drawer-scroll { display: contents; }

/* 桌面端：云备安页导航保持纯文字（图标仅在移动端抽屉中显示） */
@media (min-width: 769px) {
  .nav-menu-plain .nav-link i { display: none; }
  .nav-menu-plain .nav-link span { display: inline; flex: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding: 132px 0 96px;
  background:
    radial-gradient(ellipse 55% 50% at 82% 6%, #dce7ff 0%, transparent 58%),
    radial-gradient(ellipse 45% 42% at 4% 92%, #e9efff 0%, transparent 60%),
    linear-gradient(180deg, #f6faff 0%, #f5f7fd 55%, #ffffff 100%);
  color: var(--text); overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .55; }
.glow-1 { width: 520px; height: 520px; background: #c4d0ff; top: -150px; right: -70px; animation: drift1 14s ease-in-out infinite; }
.glow-2 { width: 420px; height: 420px; background: #d6e4ff; bottom: -160px; left: -90px; opacity: .6; animation: drift2 16s ease-in-out infinite; }
@keyframes drift1 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-40px, 30px); } }
@keyframes drift2 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(36px, -28px); } }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(56, 96, 244, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 96, 244, .045) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 28%, transparent 76%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 28%, transparent 76%);
}

.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 1.12fr;
  gap: 56px; align-items: center;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 19px; border-radius: 50px;
  background: var(--white);
  border: 1px solid var(--blue-border);
  color: var(--primary); font-size: 14px; font-weight: 600;
  margin-bottom: 26px;
  box-shadow: var(--shadow-sm);
}
.hero-badge i { color: var(--accent); }

.hero h1 { font-size: 56px; line-height: 1.22; font-weight: 800; letter-spacing: 1px; margin-bottom: 22px; color: var(--title); }
.hero-desc { font-size: 17px; color: var(--text-3); max-width: 540px; margin-bottom: 26px; }

.hero-rating { display: flex; align-items: center; gap: 12px; margin-bottom: 38px; flex-wrap: wrap; }
.hero-stars { color: #f5a623; display: inline-flex; gap: 2px; font-size: 15px; }
.hero-score { font-weight: 800; font-size: 17px; color: var(--title); }
.hero-score-text { font-size: 13.5px; color: var(--text-4); }

.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 52px; }

.hero-stats { display: flex; align-items: center; gap: 30px; }
.stat-item strong { display: block; font-size: 33px; font-weight: 800; color: var(--primary); letter-spacing: -.5px; }
.stat-item span { font-size: 13px; color: var(--text-4); }
.stat-divider { width: 1px; height: 44px; background: var(--blue-border); }

/* Hero 右侧仪表盘 */
.hero-visual { position: relative; }
.dashboard-card {
  background: var(--white);
  border: 1px solid var(--blue-border);
  border-radius: 22px;
  box-shadow: 0 36px 80px rgba(56, 96, 244, .20);
  overflow: hidden;
  animation: floatY 6s ease-in-out infinite;
  position: relative;
}
.dashboard-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient);
}
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

.dash-header {
  display: flex; align-items: center; gap: 8px;
  padding: 15px 22px;
  background: var(--blue-bg-2);
  border-bottom: 1px solid var(--blue-border);
}
.dash-dot { width: 11px; height: 11px; border-radius: 50%; background: #dcdfe6; }
.dash-dot:nth-child(1) { background: #f56c6c; }
.dash-dot:nth-child(2) { background: #f5a623; }
.dash-dot:nth-child(3) { background: #2ea86d; }
.dash-title { margin-left: 10px; font-size: 13px; color: var(--text-4); display: flex; align-items: center; gap: 7px; }
.dash-title::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #2ea86d; box-shadow: 0 0 0 4px rgba(46,168,109,.18); animation: pulse 1.8s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(46,168,109,.4); } 70% { box-shadow: 0 0 0 8px rgba(46,168,109,0); } 100% { box-shadow: 0 0 0 0 rgba(46,168,109,0); } }

.dash-body { padding: 24px; display: flex; flex-direction: column; gap: 18px; }
.dash-row { display: grid; grid-template-columns: 132px 1fr 92px; align-items: center; gap: 14px; }
.dash-label { font-size: 13px; color: var(--text-2); display: flex; align-items: center; gap: 7px; }
.dash-label i { color: var(--primary); width: 16px; }
.dash-progress { height: 8px; border-radius: 10px; background: var(--blue-tint); overflow: hidden; }
.dash-bar { height: 100%; width: var(--w); border-radius: 10px; background: var(--gradient); position: relative; }
.dash-bar.anim { animation: pulseBar 2s ease-in-out infinite; }
@keyframes pulseBar { 0%, 100% { opacity: 1; } 50% { opacity: .5; } }
.dash-status { font-size: 12px; display: flex; align-items: center; gap: 5px; }
.dash-status.ok { color: var(--green); }
.dash-status.doing { color: var(--primary); }

.dash-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dash-panel {
  display: flex; align-items: center; gap: 12px;
  padding: 15px 17px; border-radius: 14px;
  background: var(--blue-bg-2);
  border: 1px solid var(--blue-border);
}
.dash-panel i { font-size: 22px; color: var(--primary); }
.dash-panel strong { display: block; font-size: 17px; color: var(--title); }
.dash-panel span { font-size: 12px; color: var(--text-4); }

.dash-alert {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 15px 17px; border-radius: 14px;
  background: #eefaf3;
  border: 1px solid #c8ecd8;
}
.dash-alert i { color: var(--green); font-size: 18px; margin-top: 2px; }
.dash-alert strong { display: block; font-size: 13px; color: var(--title); }
.dash-alert span { font-size: 12px; color: var(--text-3); }

.float-chip {
  position: absolute; display: flex; align-items: center; gap: 8px;
  padding: 11px 19px; border-radius: 50px;
  background: rgba(255, 255, 255, .92);
  border: 1px solid var(--blue-soft);
  font-size: 13px; font-weight: 700; color: var(--title);
  box-shadow: 0 14px 34px rgba(56, 96, 244, .20);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  pointer-events: none; z-index: 4;
}
.float-chip i { color: var(--primary); }
.chip-1 { top: -18px; right: 28px; animation: floatY 5s ease-in-out infinite 1s; }
.chip-2 { bottom: -18px; right: 28px; animation: floatY 7s ease-in-out infinite .5s; }
.chip-2 i { color: var(--green); }

/* ---------- 信任条 ---------- */
.trust-bar { padding: 40px 0 66px; background: var(--white); border-bottom: 1px solid var(--border); }
.trust-title { text-align: center; font-size: 14px; color: var(--text-4); margin-bottom: 20px; letter-spacing: 1px; }
.trust-list { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px 44px; }
.trust-list span { display: flex; align-items: center; gap: 9px; font-size: 16px; font-weight: 600; color: var(--text-2); transition: var(--transition); }
.trust-list span:hover { color: var(--primary); transform: translateY(-3px); }
.trust-list i { color: var(--primary); font-size: 18px; }

/* ---------- 数据指标带 ---------- */
.metrics {
  background: linear-gradient(180deg, #ffffff 0%, #f5f7fd 100%);
  padding: 0 0 70px;
  position: relative;
}
.metrics-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
  margin-top: -52px; position: relative; z-index: 3;
}
.metric-item {
  background: var(--white);
  border: 1px solid var(--blue-border);
  border-radius: var(--radius);
  padding: 30px 22px; text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}
.metric-item:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--blue-soft); }
.metric-icon {
  width: 56px; height: 56px; border-radius: 16px; margin: 0 auto 16px;
  background: var(--gradient-soft); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 23px;
  border: 1px solid var(--blue-soft);
}
.metric-num {
  font-size: 34px; font-weight: 800; letter-spacing: -.5px;
  background: var(--gradient-2); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  line-height: 1.1; margin-bottom: 6px;
}
.metric-label { font-size: 14px; color: var(--text-3); }

/* ---------- 行业客户滚动墙 ---------- */
.clients { padding: 40px 0 64px; background: linear-gradient(180deg, #f5f7fd 0%, #ffffff 100%); overflow: hidden; }
.clients-title { text-align: center; font-size: 14px; color: var(--text-4); margin-bottom: 26px; letter-spacing: 1px; }
.marquee { position: relative; width: 100%; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 16px; width: max-content; animation: marquee 32s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  display: inline-flex; align-items: center; gap: 10px; white-space: nowrap;
  padding: 12px 24px; border-radius: 50px;
  background: var(--white); border: 1px solid var(--blue-border);
  font-size: 15px; font-weight: 600; color: var(--text-2);
  box-shadow: var(--shadow-sm);
}
.marquee-track span i { color: var(--primary); font-size: 17px; }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ---------- 通用 Section ---------- */
.section { padding: 104px 0; position: relative; }
.section-gray { background: var(--blue-bg); }
.section-dark {
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(56, 96, 244, .35) 0%, transparent 60%),
    linear-gradient(180deg, #1c2050 0%, #27274a 100%);
  color: #fff;
}
.section-dark .section-head h2 { color: #fff; }
.section-dark .section-head p { color: rgba(255, 255, 255, .7); }
.section-dark .section-tag { background: rgba(56, 96, 244, .28); color: #aebfff; border-color: rgba(120, 140, 255, .35); }
.section-dark .feature-card {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
@supports not ((backdrop-filter: blur(2px)) or (-webkit-backdrop-filter: blur(2px))) {
  .section-dark .feature-card {
    background: rgba(34, 39, 90, .72);
    border-color: rgba(120, 140, 255, .28);
  }
}
.section-dark .feature-card:hover { border-color: rgba(120, 140, 255, .55); box-shadow: 0 30px 70px rgba(0, 0, 0, .45); }
.section-dark .feature-card::before { background: linear-gradient(180deg, #3860f4, #22d3ee); }
.section-dark .feature-icon { background: linear-gradient(135deg, #3860f4, #2961fd); box-shadow: 0 12px 26px rgba(56, 96, 244, .5); }
.section-dark .feature-card h3 { color: #fff; }
.section-dark .feature-card p { color: rgba(255, 255, 255, .72); }
.section-dark .feature-tags span { background: rgba(56, 96, 244, .20); color: #aebfff; border-color: rgba(120, 140, 255, .3); }
.section-dark .feature-more { color: #6ea0ff; }

.section-head { text-align: center; max-width: 660px; margin: 0 auto 64px; position: relative; }
.section-tag {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 20px; border-radius: 50px; font-size: 13px; font-weight: 700;
  background: var(--blue-tint); color: var(--primary);
  border: 1px solid var(--blue-soft); margin-bottom: 20px;
}
.section-head h2 { font-size: 40px; font-weight: 800; letter-spacing: .5px; margin-bottom: 14px; color: var(--title); line-height: 1.3; }
.section-head p { color: var(--text-3); font-size: 16px; }

/* ---------- 核心价值 ---------- */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.value-card {
  position: relative; padding: 42px 34px;
  border-radius: var(--radius); background: var(--white);
  border: 1px solid var(--blue-border);
  transition: var(--transition); overflow: hidden;
}
.value-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--gradient); opacity: 0; transition: var(--transition);
}
.value-card:hover { transform: translateY(-12px); box-shadow: var(--shadow-lg); border-color: transparent; }
.value-card:hover::before { opacity: 1; }
.value-icon {
  width: 66px; height: 66px; border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 27px; color: var(--white); margin-bottom: 24px;
  position: relative;
}
.value-icon::after {
  content: ""; position: absolute; inset: -5px; border-radius: 24px; z-index: -1; opacity: .25; filter: blur(10px);
}
.bg-blue { background: var(--gradient); box-shadow: 0 12px 26px rgba(56, 96, 244, .32); }
.bg-blue::after { background: var(--primary); }
.bg-green { background: linear-gradient(135deg, #2ea86d, #4cc58a); box-shadow: 0 12px 26px rgba(46, 168, 109, .32); }
.bg-green::after { background: #2ea86d; }
.bg-orange { background: linear-gradient(135deg, #f56c6c, #ff8f6b); box-shadow: 0 12px 26px rgba(245, 108, 108, .32); }
.bg-orange::after { background: #f56c6c; }
.value-card h3 { font-size: 22px; margin-bottom: 12px; color: var(--title); }
.value-card > p { color: var(--text-3); font-size: 15px; margin-bottom: 18px; }
.value-card ul li { display: flex; align-items: center; gap: 9px; font-size: 14px; color: var(--text-3); padding: 5px 0; }
.value-card ul li i { color: var(--green); font-size: 12px; }

/* ---------- 功能矩阵 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.feature-card {
  position: relative; padding: 36px 30px 30px; border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--blue-border);
  transition: var(--transition); overflow: hidden;
}
.feature-card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 100%; width: 4px;
  background: var(--gradient); transform: scaleY(0); transform-origin: top; transition: transform .4s ease;
}
.feature-card:hover { transform: translateY(-10px); border-color: var(--blue-soft); box-shadow: var(--shadow-lg); }
.feature-card:hover::before { transform: scaleY(1); }
.feature-icon {
  width: 58px; height: 58px; border-radius: 16px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; color: var(--white); margin-bottom: 22px;
  box-shadow: 0 12px 26px rgba(56, 96, 244, .30);
  transition: var(--transition);
}
.feature-card:hover .feature-icon { transform: scale(1.08) rotate(-4deg); }
.feature-card h3 { font-size: 19px; margin-bottom: 10px; color: var(--title); }
.feature-card p { font-size: 14px; color: var(--text-3); margin-bottom: 18px; }
.feature-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.feature-tags span {
  padding: 5px 14px; border-radius: 50px; font-size: 12px;
  background: var(--blue-tint); color: var(--primary);
  border: 1px solid var(--blue-soft);
}
.feature-card .feature-more {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 16px;
  font-size: 14px; font-weight: 600; color: var(--primary);
  opacity: 0; transform: translateX(-8px); transition: var(--transition);
}
.feature-card:hover .feature-more { opacity: 1; transform: translateX(0); }
.feature-card .feature-more i { transition: transform .3s ease; }
.feature-card:hover .feature-more i { transform: translateX(4px); }

/* ---------- 操作流程 ---------- */
.steps-wrap { display: flex; align-items: stretch; justify-content: center; gap: 8px; position: relative; }
.steps-wrap::before {
  content: ""; position: absolute; top: 56px; left: 16%; right: 16%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue-soft) 20%, var(--blue-soft) 80%, transparent);
  z-index: 0;
}
.step-item {
  flex: 1; max-width: 320px; position: relative; z-index: 1;
  text-align: center; padding: 46px 28px 38px;
  border-radius: var(--radius); background: var(--white);
  border: 1px solid var(--blue-border); transition: var(--transition);
}
.step-item:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: var(--blue-soft); }
.step-num {
  position: absolute; top: -19px; left: 50%; transform: translateX(-50%);
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--gradient); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px;
  box-shadow: 0 8px 18px rgba(56, 96, 244, .38);
  border: 3px solid var(--white);
}
.step-icon {
  width: 74px; height: 74px; margin: 0 auto 20px; border-radius: 50%;
  background: var(--blue-tint); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 28px;
  border: 1px solid var(--blue-soft);
  transition: var(--transition);
}
.step-item:hover .step-icon { background: var(--gradient); color: var(--white); transform: scale(1.06); }
.step-item h3 { font-size: 19px; margin-bottom: 10px; color: var(--title); }
.step-item p { font-size: 14px; color: var(--text-3); }
.step-arrow { display: flex; align-items: center; color: var(--blue-soft); font-size: 26px; }

/* ---------- 客户评价 ---------- */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.testi-card {
  position: relative; padding: 34px 30px 30px;
  border-radius: var(--radius); background: var(--white);
  border: 1px solid var(--blue-border);
  transition: var(--transition); overflow: hidden;
}
.testi-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); border-color: var(--blue-soft); }
.testi-quote { position: absolute; top: 22px; right: 26px; font-size: 30px; color: var(--blue-tint); }
.testi-stars { color: #f5a623; display: flex; gap: 3px; font-size: 14px; margin-bottom: 14px; }
.testi-text { font-size: 15px; color: var(--text-2); line-height: 1.85; margin-bottom: 22px; }
.testi-author { display: flex; align-items: center; gap: 13px; }
.testi-avatar {
  width: 46px; height: 46px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--c1, #3860f4), var(--c2, #22d3ee));
  color: var(--white); font-weight: 700; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px rgba(56, 96, 244, .25);
}
.testi-author strong { display: block; font-size: 15px; color: var(--title); }
.testi-author span { font-size: 12.5px; color: var(--text-4); }

/* ---------- 版本定价 ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: stretch; }
.price-card {
  position: relative; display: flex; flex-direction: column;
  padding: 40px 34px; border-radius: var(--radius);
  background: var(--white); border: 1px solid var(--blue-border);
  transition: var(--transition);
}
.price-card:hover { transform: translateY(-12px); box-shadow: var(--shadow-lg); }
.price-card.popular {
  border: 2px solid var(--primary);
  box-shadow: 0 26px 64px rgba(56, 96, 244, .22);
  transform: scale(1.04);
  padding-top: 48px;
  overflow: hidden;
}
.price-card.popular:hover { transform: scale(1.04) translateY(-12px); }
.price-card.popular::before {
  content: ""; position: absolute; top: -60%; left: -60%; width: 220%; height: 120%;
  background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,.55) 50%, transparent 60%);
  transform: rotate(8deg); animation: shine 4.5s ease-in-out infinite; pointer-events: none;
}
@keyframes shine { 0% { left: -60%; } 55%, 100% { left: 120%; } }
.popular-badge {
  position: absolute; top: 0; left: 0; right: 0;
  padding: 8px 22px;
  background: linear-gradient(135deg, #f56c6c, #ff8f6b);
  color: var(--white);
  font-size: 13px; font-weight: 600; white-space: nowrap;
  text-align: center; letter-spacing: 1px;
  border-radius: var(--radius) var(--radius) 0 0;
}
.popular-badge i { margin-right: 5px; }
.price-head { text-align: center; padding-bottom: 26px; border-bottom: 1px dashed var(--blue-soft); margin-bottom: 26px; }
.price-head h3 { font-size: 20px; margin-bottom: 14px; color: var(--title); }
.price-num { font-size: 50px; font-weight: 800; color: var(--title); line-height: 1; letter-spacing: -1px; }
.price-num em { font-style: normal; font-size: 22px; vertical-align: 8px; margin-right: 2px; }
.price-num span { font-size: 15px; font-weight: 500; color: var(--text-4); }
.popular .price-num { color: var(--primary); }
.price-head p { font-size: 14px; color: var(--text-4); margin-top: 10px; }
.price-list { flex: 1; margin-bottom: 28px; }
.price-list li { display: flex; align-items: center; gap: 10px; padding: 9px 0; font-size: 14.5px; color: var(--text-2); }
.price-list li i { color: var(--green); font-size: 13px; width: 16px; }
.price-list li.disabled { color: var(--text-4); opacity: .7; }
.price-list li.disabled i { color: #dcdfe6; }

/* ---------- 定制方案 CTA ---------- */
.section-cta {
  background:
    radial-gradient(ellipse 50% 60% at 85% 18%, #dce7ff 0%, transparent 58%),
    linear-gradient(135deg, #f6faff 0%, #e9efff 100%);
  color: var(--text); position: relative; overflow: hidden;
}
.section-cta::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(56, 96, 244, .10) 1px, transparent 1px);
  background-size: 26px 26px; opacity: .5; pointer-events: none;
}
.section-cta::after {
  content: ""; position: absolute; width: 460px; height: 460px;
  border-radius: 50%; background: rgba(56, 96, 244, .10);
  filter: blur(100px); right: -140px; bottom: -160px; pointer-events: none;
}
.custom-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 440px; gap: 70px; align-items: center; }
.custom-text h2 { font-size: 38px; font-weight: 800; line-height: 1.35; margin-bottom: 18px; color: var(--title); }
.custom-text > p { color: var(--text-3); font-size: 16px; margin-bottom: 32px; max-width: 480px; }
.custom-points { display: flex; flex-direction: column; gap: 16px; }
.custom-points div { display: flex; align-items: center; gap: 13px; font-size: 15.5px; color: var(--text-2); }
.custom-points i {
  width: 42px; height: 42px; border-radius: 12px; font-size: 17px;
  background: var(--white); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--blue-soft);
  box-shadow: var(--shadow-sm);
}

.custom-form {
  background: var(--white); border-radius: 22px;
  padding: 38px 34px; color: var(--text);
  border: 1px solid var(--blue-border);
  box-shadow: 0 36px 80px rgba(56, 96, 244, .20);
}
.custom-form h3 { font-size: 21px; text-align: center; margin-bottom: 24px; color: var(--title); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { position: relative; margin-bottom: 14px; }
.form-group i {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  color: var(--text-4); font-size: 15px; pointer-events: none;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 14px 16px 14px 44px;
  border: 1.5px solid var(--blue-border); border-radius: var(--radius-sm);
  font-size: 15px; font-family: inherit; color: var(--text);
  background: var(--blue-bg); transition: var(--transition);
  outline: none; appearance: none; -webkit-appearance: none;
}
.form-group textarea { resize: vertical; min-height: 92px; line-height: 1.6; }
.form-group select { cursor: pointer; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary); background: var(--white);
  box-shadow: 0 0 0 4px rgba(56, 96, 244, .14);
}
.form-tip { text-align: center; font-size: 12.5px; color: var(--text-4); margin-top: 14px; }
.form-tip i { color: var(--green); margin-right: 4px; }

/* ---------- 页脚 ---------- */
.footer { background: var(--title); color: rgba(255, 255, 255, .62); padding: 72px 0 0; position: relative; }
.footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient); }
.footer .logo { color: var(--white); margin-bottom: 18px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 50px; }
.footer-brand p { font-size: 14px; margin-bottom: 22px; max-width: 280px; }
.footer-social { display: flex; align-items: center; gap: 12px; }
.footer .footer-social a {
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255, 255, 255, .10);
  border: 1px solid rgba(255, 255, 255, .12);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 18px; color: rgba(255, 255, 255, .85);
  transition: var(--transition); text-decoration: none;
}
.footer .footer-social a i { display: block; line-height: 0; }
.footer .footer-social a:hover { background: var(--gradient); color: var(--white); transform: translateY(-4px); border-color: transparent; }
.footer-col h4 { color: var(--white); font-size: 16px; margin-bottom: 20px; }
.footer-col a { display: block; padding: 6px 0; font-size: 14px; transition: var(--transition); }
.footer-col a:hover { color: var(--blue-soft); transform: translateX(4px); }
.footer-col p { display: flex; align-items: center; gap: 10px; padding: 6px 0; font-size: 14px; }
.footer-col p i { color: var(--blue-soft); width: 16px; }

.footer-keywords {
  padding: 20px 0; border-top: 1px solid rgba(255, 255, 255, .10);
  font-size: 13px; display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center;
}
.footer-keywords span { color: rgba(255, 255, 255, .4); }
.footer-keywords a:hover { color: var(--blue-soft); }
.footer-bottom {
  padding: 20px 0; border-top: 1px solid rgba(255, 255, 255, .10);
  text-align: center; font-size: 13px; color: rgba(255, 255, 255, .4);
}

/* ---------- 常见问题 FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--white); border: 1px solid var(--blue-border);
  border-radius: var(--radius-sm); overflow: hidden; transition: var(--transition);
}
.faq-item.active { border-color: var(--blue-soft); box-shadow: var(--shadow-md); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; font-size: 16px; font-weight: 600; color: var(--title); text-align: left;
}
.faq-q i { color: var(--primary); font-size: 14px; transition: transform .35s ease; flex-shrink: 0; }
.faq-item.active .faq-q i { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-a p { padding: 0 24px 22px; color: var(--text-3); font-size: 15px; line-height: 1.85; }

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(31, 35, 41, .55);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: var(--transition);
  padding: 20px;
}
.modal-mask.show { opacity: 1; visibility: visible; }
.modal {
  background: var(--white); border-radius: 22px;
  padding: 46px 42px; max-width: 400px; width: 100%;
  text-align: center; box-shadow: var(--shadow-lg);
  transform: translateY(24px) scale(.96); transition: var(--transition);
}
.modal-mask.show .modal { transform: translateY(0) scale(1); }
.modal-icon {
  width: 74px; height: 74px; margin: 0 auto 20px; border-radius: 50%;
  background: #eefaf3; color: var(--green);
  display: flex; align-items: center; justify-content: center; font-size: 34px;
}
.modal h3 { font-size: 22px; margin-bottom: 10px; color: var(--title); }
.modal p { color: var(--text-3); font-size: 14.5px; margin-bottom: 26px; }

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed; right: 28px; bottom: 28px; z-index: 900;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--gradient); color: var(--white); font-size: 17px;
  box-shadow: 0 10px 26px rgba(56, 90, 244, .35);
  opacity: 0; visibility: hidden; transform: translateY(16px);
  transition: var(--transition);
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { transform: translateY(-4px); }

/* ---------- 滚动动画 ---------- */
.reveal { opacity: 0; transform: translateY(38px); transition: opacity .8s ease, transform .8s cubic-bezier(.4, 0, .2, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   响应式 - 平板 (<=992px)
   ============================================ */
@media (max-width: 992px) {
  .hero { padding: 130px 0 80px; }
  .hero-inner { grid-template-columns: 1fr; gap: 56px; }
  .hero-content { text-align: center; }
  .hero h1 { font-size: 44px; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-rating, .hero-btns, .hero-stats { justify-content: center; }
  .hero-visual { max-width: 520px; margin: 0 auto; width: 100%; }
  .chip-1 { left: -8px; }
  .chip-2 { right: -6px; }

  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid, .feature-grid, .pricing-grid, .testi-grid { grid-template-columns: repeat(2, 1fr); }
  .price-card.popular { transform: none; }
  .price-card.popular:hover { transform: translateY(-12px); }

  .steps-wrap { flex-direction: column; align-items: center; gap: 34px; }
  .steps-wrap::before { display: none; }
  .step-item { max-width: 460px; width: 100%; }
  .step-arrow { transform: rotate(90deg); }

  .custom-inner { grid-template-columns: 1fr; gap: 50px; }
  .custom-text { text-align: center; }
  .custom-text > p { margin-left: auto; margin-right: auto; }
  .custom-points { align-items: center; }
  .custom-form { max-width: 480px; margin: 0 auto; width: 100%; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

/* ============================================
   响应式 - 手机 (<=768px)
   ============================================ */
@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 46px; }
  .section-head h2 { font-size: 28px; }

  .nav-toggle {
    display: flex; align-items: center; justify-content: center;
    width: 42px; height: 42px; border-radius: 12px;
    background: var(--blue-bg); border: 1px solid var(--blue-border);
    color: var(--title); font-size: 19px;
    transition: var(--transition);
  }
  .nav-toggle:hover { background: var(--blue-tint); border-color: var(--blue-soft); color: var(--primary); }
  .nav-menu {
    position: fixed; top: 0; right: 0; z-index: 1001;
    width: min(68vw, 280px); height: 100vh; height: 100dvh;
    flex-direction: column; gap: 0;
    background: linear-gradient(180deg, #ffffff 0%, #f6f9ff 100%);
    box-shadow: -18px 0 54px rgba(39, 39, 74, .22);
    border-left: 1px solid var(--blue-border);
    transform: translateX(100%);
    transition: transform .4s cubic-bezier(.4, 0, .2, 1);
    overflow: hidden;
  }
  .nav-menu.open { transform: translateX(0); }

  /* 抽屉品牌头部（固定顶部，带渐变描边） */
  .nav-drawer-head {
    display: flex; flex-direction: column; gap: 5px;
    padding: 22px 18px 16px;
    border-bottom: 1px solid var(--blue-border);
    flex-shrink: 0;
    position: relative;
    background: linear-gradient(180deg, var(--blue-bg-2) 0%, #ffffff 100%);
  }
  .nav-drawer-head::after {
    content: ""; position: absolute; left: 18px; right: 18px; bottom: -1px; height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--cyan), transparent);
    opacity: .55; border-radius: 2px;
  }
  .nav-brand { display: flex; align-items: center; gap: 11px; }
  .nav-brand-icon {
    width: 40px; height: 40px; border-radius: 12px;
    background: var(--gradient); color: #fff;
    display: flex; align-items: center; justify-content: center; font-size: 18px;
    box-shadow: 0 8px 20px rgba(56, 96, 244, .4);
    flex-shrink: 0;
  }
  .nav-brand-text { font-size: 19px; font-weight: 800; color: var(--title); letter-spacing: .5px; }
  .nav-drawer-sub { font-size: 12.5px; color: var(--text-4); padding-left: 51px; }

  /* 抽屉导航项 */
  .nav-link {
    display: flex; align-items: center; gap: 13px;
    padding: 13px 14px; border-radius: 14px;
    font-size: 16px; font-weight: 600;
    color: var(--text-2); position: relative;
  }
  .nav-link i {
    width: 34px; height: 34px; border-radius: 10px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 15px; color: var(--primary);
    background: var(--blue-tint); border: 1px solid var(--blue-soft);
    transition: var(--transition); flex-shrink: 0;
  }
  .nav-link span { flex: 1; }
  .nav-link:hover { background: var(--blue-bg); color: var(--primary); }
  .nav-link:hover i { background: var(--gradient); color: #fff; border-color: transparent; box-shadow: 0 6px 14px rgba(56, 96, 244, .32); }
  .nav-link.active { color: var(--primary); background: var(--blue-tint); box-shadow: inset 3px 0 0 var(--primary); }
  .nav-link.active i {
    background: var(--gradient); color: #fff; border-color: transparent;
    box-shadow: 0 6px 14px rgba(56, 96, 244, .32);
  }

  /* 抽屉链接滚动区 */
  .nav-drawer-scroll {
    flex: 1; min-height: 0;
    overflow-y: auto; -webkit-overflow-scrolling: touch;
    padding: 12px 14px 14px;
    display: flex; flex-direction: column; gap: 6px;
  }
  .nav-drawer-scroll::-webkit-scrollbar { width: 5px; }
  .nav-drawer-scroll::-webkit-scrollbar-thumb { background: var(--blue-soft); border-radius: 10px; border: none; }
  .nav-drawer-scroll::-webkit-scrollbar-track { background: transparent; }

  /* 抽屉底部 CTA（固定底部） */
  .nav-menu-footer {
    display: flex; flex-direction: column; gap: 10px;
    padding: 14px 18px calc(18px + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid var(--blue-border);
    background: linear-gradient(180deg, transparent 0%, rgba(255,255,255,.85) 60%, #ffffff 100%);
    flex-shrink: 0;
  }
  .nav-menu-footer .btn { width: 100%; padding: 12px 16px; }
  .nav-menu-footer .btn-ghost {
    border: 1.5px solid var(--blue-border); background: var(--white); color: var(--text-2);
  }
  .nav-menu-footer .btn-ghost:hover { border-color: var(--primary); color: var(--primary); background: var(--blue-tint); }

  .nav-actions { display: none; }
  .nav-actions .btn-ghost { display: none; }
  .nav-actions .btn-primary { padding: 9px 20px; font-size: 14px; }

  /* 关闭按钮（钉在抽屉头部右上角，永远可见） */
  .nav-close {
    display: flex; align-items: center; justify-content: center;
    position: absolute; top: 22px; right: 18px; z-index: 3;
    width: 38px; height: 38px; border-radius: 11px;
    background: var(--blue-bg); border: 1px solid var(--blue-border);
    color: var(--text-2); font-size: 18px;
    transition: var(--transition);
  }
  .nav-close:hover { background: var(--gradient); color: #fff; border-color: transparent; transform: rotate(90deg); }

  /* 遮罩 */
  .nav-mask {
    position: fixed; inset: 0; z-index: 999;
    background: rgba(31, 35, 41, .48);
    backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
    opacity: 0; visibility: hidden; transition: var(--transition);
  }
  .nav-mask.show { opacity: 1; visibility: visible; }

  /* 抽屉链接逐条入场（仅链接 + 底部） */
  .nav-drawer-scroll .nav-link, .nav-menu-footer { opacity: 0; transform: translateX(18px); transition: opacity .35s ease, transform .35s ease; }
  .nav-menu.open .nav-drawer-scroll .nav-link, .nav-menu.open .nav-menu-footer { opacity: 1; transform: translateX(0); }
  .nav-menu.open .nav-drawer-scroll .nav-link:nth-child(1) { transition-delay: .04s; }
  .nav-menu.open .nav-drawer-scroll .nav-link:nth-child(2) { transition-delay: .08s; }
  .nav-menu.open .nav-drawer-scroll .nav-link:nth-child(3) { transition-delay: .12s; }
  .nav-menu.open .nav-drawer-scroll .nav-link:nth-child(4) { transition-delay: .16s; }
  .nav-menu.open .nav-drawer-scroll .nav-link:nth-child(5) { transition-delay: .20s; }
  .nav-menu.open .nav-drawer-scroll .nav-link:nth-child(6) { transition-delay: .24s; }
  .nav-menu.open .nav-drawer-scroll .nav-link:nth-child(7) { transition-delay: .28s; }
  .nav-menu.open .nav-menu-footer { transition-delay: .32s; }

  .hero h1 { font-size: 34px; }
  .hero-desc { font-size: 15.5px; }
  .hero-btns .btn { flex: 1; justify-content: center; padding: 14px 10px; font-size: 15px; }
  .hero-stats { gap: 18px; }
  .stat-item strong { font-size: 24px; }

  .metrics-grid { grid-template-columns: 1fr 1fr; gap: 14px; margin-top: -36px; }
  .metric-item { padding: 22px 14px; }
  .metric-num { font-size: 26px; }

  .value-grid, .feature-grid, .pricing-grid, .testi-grid { grid-template-columns: 1fr; }
  .value-card, .feature-card, .price-card, .testi-card { padding: 32px 26px; }
  .feature-card .feature-more { opacity: 1; transform: none; }

  .trust-list { gap: 12px 26px; }
  .trust-list span { font-size: 14px; }

  .custom-text h2 { font-size: 27px; }
  .custom-text > p { font-size: 15px; margin-bottom: 26px; }
  .custom-points { gap: 14px; }
  .custom-points div { font-size: 15px; }
  .custom-points i { width: 38px; height: 38px; font-size: 16px; border-radius: 11px; }
  .custom-form { padding: 30px 24px 28px; border-radius: 18px; }
  .custom-form h3 { font-size: 19px; margin-bottom: 20px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-group { margin-bottom: 12px; }
  .form-group input, .form-group select, .form-group textarea { padding: 13px 14px 13px 42px; font-size: 14.5px; }
  .form-group i { left: 14px; font-size: 14px; }
  .form-group textarea { min-height: 88px; }
  .form-tip { font-size: 12px; margin-top: 12px; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand p { max-width: none; }
  .back-top { right: 18px; bottom: 18px; width: 42px; height: 42px; }
}

/* ============================================
   团队官网 - 团队成员
   ============================================ */
/* 团队成员区单独加宽容器，让 4 列更舒展 */
#team .container {
  max-width: 1500px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.team-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--blue-border);
  border-radius: var(--radius);
  padding: 30px 22px 26px;
  text-align: center;
  transition: var(--transition);
  overflow: hidden;
}
.team-card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 76px;
  background: linear-gradient(135deg, var(--blue-tint), var(--blue-bg-2));
  z-index: 0;
}
.team-card:hover {
  transform: translateY(-8px);
  border-color: var(--blue-soft);
  box-shadow: var(--shadow-lg);
}
.team-avatar {
  position: relative; z-index: 1;
  width: 88px; height: 88px; border-radius: 50%;
  margin: 0 auto 18px;
  background: linear-gradient(135deg, var(--c1, #3860f4), var(--c2, #22d3ee));
  color: var(--white); font-size: 32px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 28px rgba(56, 96, 244, .28);
  border: 4px solid var(--white);
}
.team-name { position: relative; z-index: 1; font-size: 19px; color: var(--title); margin-bottom: 4px; }
.team-role { position: relative; z-index: 1; font-size: 13.5px; color: var(--primary); font-weight: 600; margin-bottom: 14px; letter-spacing: .3px; }
.team-bio { font-size: 14px; color: var(--text-3); line-height: 1.8; margin-bottom: 16px; }
.team-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 18px; }
.team-tags span {
  font-size: 12px; padding: 4px 12px; border-radius: 50px;
  background: var(--blue-tint); color: var(--primary); border: 1px solid var(--blue-soft);
}
.team-social { display: flex; gap: 10px; justify-content: center; }
.team-social a {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--blue-bg); border: 1px solid var(--blue-border);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 15px; color: var(--text-2);
  transition: var(--transition); text-decoration: none;
}
.team-social a i { display: block; line-height: 0; }
.team-social a:hover { background: var(--gradient); color: var(--white); border-color: transparent; transform: translateY(-3px); }

/* 团队成员响应式：覆盖必须放在基础规则之后，确保源码顺序胜出 */
@media (max-width: 992px) {
  .team-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
}
@media (max-width: 768px) {
  .team-grid { grid-template-columns: 1fr; gap: 20px; max-width: 460px; margin: 0 auto; }
  .team-card { padding: 34px 24px 28px; }
  .team-avatar { width: 78px; height: 78px; font-size: 28px; margin-bottom: 14px; }
  .team-name { font-size: 18px; }
  .team-role { font-size: 13px; margin-bottom: 12px; }
  .team-bio { font-size: 13.5px; line-height: 1.75; margin-bottom: 14px; }
}

/* ============================================
   团队官网 - 精选案例
   ============================================ */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
.case-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--blue-border);
  border-radius: var(--radius);
  padding: 30px 32px 32px;
  transition: var(--transition);
  overflow: hidden;
}
.case-card::after {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: var(--gradient);
  transform: scaleY(0); transform-origin: top;
  transition: transform .4s ease;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--blue-soft); }
.case-card:hover::after { transform: scaleY(1); }
.case-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.case-tag {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12.5px; font-weight: 600; color: var(--primary);
  background: var(--blue-tint); border: 1px solid var(--blue-soft);
  padding: 5px 14px; border-radius: 50px;
}
.case-tag i { font-size: 13px; }
.case-arrow {
  width: 34px; height: 34px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--blue-bg); color: var(--text-3); font-size: 15px;
  transition: var(--transition);
}
.case-card:hover .case-arrow { background: var(--gradient); color: var(--white); transform: rotate(0); }
.case-title { font-size: 19px; color: var(--title); margin-bottom: 10px; }
.case-desc { font-size: 14.5px; color: var(--text-3); line-height: 1.85; margin-bottom: 20px; }
.case-stats {
  display: flex; gap: 30px; padding: 16px 0;
  margin-bottom: 18px; border-top: 1px dashed var(--blue-border);
  border-bottom: 1px dashed var(--blue-border);
}
.case-stats > div { display: flex; flex-direction: column; }
.case-stats strong { font-size: 24px; font-weight: 700; color: var(--primary); line-height: 1.1; }
.case-stats span { font-size: 12.5px; color: var(--text-4); margin-top: 4px; }
.case-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.case-tags span {
  font-size: 12px; padding: 4px 12px; border-radius: 50px;
  background: var(--blue-bg); color: var(--text-2); border: 1px solid var(--blue-border);
}

/* 案例响应式：覆盖必须放在基础规则之后，确保源码顺序胜出 */
@media (max-width: 992px) {
  .case-grid { grid-template-columns: 1fr; gap: 22px; max-width: 520px; margin: 0 auto; }
  .case-card { padding: 28px 26px 28px; }
  .case-title { font-size: 18px; }
  .case-desc { font-size: 14px; line-height: 1.8; margin-bottom: 18px; }
  .case-stats { gap: 24px; padding: 14px 0; }
  .case-stats strong { font-size: 22px; }
}
@media (max-width: 480px) {
  .case-stats { gap: 18px; flex-wrap: wrap; }
  .case-stats > div { min-width: calc(50% - 12px); }

  .custom-text h2 { font-size: 24px; line-height: 1.4; }
  .custom-text > p { font-size: 14.5px; }
  .custom-points { gap: 12px; }
  .custom-points div { font-size: 14.5px; }
  .custom-points i { width: 34px; height: 34px; font-size: 14px; border-radius: 10px; }
  .custom-form { padding: 24px 18px 22px; border-radius: 16px; }
  .custom-form h3 { font-size: 18px; margin-bottom: 18px; }
  .form-group input, .form-group select, .form-group textarea { padding: 12px 14px 12px 40px; font-size: 14px; }
  .form-group i { left: 13px; font-size: 13.5px; }
}

@media (max-width: 380px) {
  .hero h1 { font-size: 29px; }
  .hero-stats { flex-wrap: wrap; }
  .stat-divider { display: none; }
  .dash-row { grid-template-columns: 1fr; gap: 8px; }
  .metrics-grid { grid-template-columns: 1fr; }
}

/* ============================================
   团队官网 - 技术栈 3D 轨道圆环
   ============================================ */
.orbit-scene {
  position: relative;
  width: 100%;
  max-width: 540px;
  margin: 0 auto;
  height: 560px;
  perspective: 1300px;
  z-index: 2;
}
/* 地面柔光，增强稳定感 */
.orbit-scene::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 6px;
  width: 380px;
  height: 64px;
  margin-left: -190px;
  background: radial-gradient(ellipse at center, rgba(56, 96, 244, .28), transparent 72%);
  filter: blur(12px);
  pointer-events: none;
  z-index: 0;
}

/* 中心环境光晕 */
.orbit-glow {
  position: absolute;
  left: 50%;
  top: 44%;
  width: 560px;
  height: 560px;
  margin: -280px 0 0 -280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 96, 244, .16) 0%, rgba(34, 211, 238, .07) 42%, transparent 70%);
  filter: blur(8px);
  pointer-events: none;
  animation: orbitPulse 6s ease-in-out infinite;
}
@keyframes orbitPulse {
  0%, 100% { transform: scale(1); opacity: .85; }
  50% { transform: scale(1.06); opacity: 1; }
}

/* 底部发光圆环（光环） */
.orbit-halo {
  position: absolute;
  left: 50%;
  bottom: 34px;
  width: 380px;
  height: 380px;
  margin-left: -190px;
  border-radius: 50%;
  transform: rotateX(60deg);
  background: radial-gradient(circle at center, rgba(56, 96, 244, .22) 0%, rgba(56, 96, 244, .05) 48%, transparent 70%);
  box-shadow: 0 0 70px 12px rgba(56, 96, 244, .32), inset 0 0 60px rgba(34, 211, 238, .28);
}
.orbit-halo::after {
  content: "";
  position: absolute;
  inset: 24px;
  border-radius: 50%;
  border: 2px dashed rgba(120, 150, 255, .5);
  animation: haloSpin 18s linear infinite;
}
.orbit-halo::before {
  content: "";
  position: absolute;
  inset: 56px;
  border-radius: 50%;
  border: 1px solid rgba(120, 150, 255, .3);
  animation: haloSpin 26s linear infinite reverse;
}
@keyframes haloSpin {
  to { transform: rotate(360deg); }
}

/* 轨道引导椭圆（应用环绕的轨迹） */
.orbit-path {
  position: absolute;
  left: 50%;
  top: 44%;
  width: 380px;
  height: 380px;
  margin: -190px 0 0 -190px;
  border-radius: 50%;
  border: 1.5px dashed rgba(120, 150, 255, .32);
  transform: rotateX(60deg);
  pointer-events: none;
  z-index: 1;
}

/* 中心核心徽标 */
.orbit-core {
  position: absolute;
  left: 50%;
  top: 44%;
  width: 100px;
  height: 100px;
  margin: -50px 0 0 -50px;
  border-radius: 28px;
  background: var(--gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  box-shadow: 0 20px 50px rgba(56, 96, 244, .5), inset 0 1px 2px rgba(255, 255, 255, .6);
  z-index: 5;
  animation: orbitPulse 4.5s ease-in-out infinite;
}

/* 轨道容器 */
.orbit-track {
  position: absolute;
  left: 50%;
  top: 44%;
  width: 0;
  height: 0;
  transform-style: preserve-3d;
  transform: translate(-50%, -50%) rotateX(60deg);
}

/* 应用图标 */
.orbit-item {
  position: absolute;
  left: 0;
  top: 0;
  width: 78px;
  height: 78px;
  margin: -39px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  background: var(--gradient);
  box-shadow:
    inset 0 1px 2px rgba(255, 255, 255, .55),
    inset 0 -6px 12px rgba(0, 0, 0, .25),
    0 16px 34px rgba(0, 0, 0, .30);
  will-change: transform, opacity, filter;
  transition: box-shadow .3s ease;
}
.orbit-item::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: radial-gradient(circle at 30% 25%, rgba(255, 255, 255, .5), transparent 55%);
  pointer-events: none;
}
.orbit-item:hover {
  box-shadow:
    inset 0 1px 2px rgba(255, 255, 255, .6),
    inset 0 -6px 12px rgba(0, 0, 0, .25),
    0 22px 50px rgba(56, 96, 244, .6);
}

/* 标题说明（玻璃药丸） */
.orbit-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  text-align: center;
}
.caption-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: .5px;
  background: rgba(255, 255, 255, .72);
  border: 1px solid var(--blue-soft);
  box-shadow: 0 10px 28px rgba(56, 96, 244, .16), inset 0 1px 1px rgba(255, 255, 255, .8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.orbit-caption strong {
  background: var(--gradient-2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

/* ---------- 升华：星空 / 扫光环 / 脉冲 / 景深 ---------- */

/* 星空粒子背景 */
.orbit-stars {
  position: absolute;
  inset: -10px;
  pointer-events: none;
  z-index: 0;
}
.orbit-stars span {
  position: absolute;
  border-radius: 50%;
  background: #fff;
  opacity: .5;
  box-shadow: 0 0 6px rgba(120, 150, 255, .9);
  animation: starTwinkle 3s ease-in-out infinite;
}
@keyframes starTwinkle {
  0%, 100% { opacity: .12; transform: scale(.5); }
  50% { opacity: .95; transform: scale(1); }
}

/* 旋转扫光圆环（沿光环扫过的能量弧） */
.orbit-ring-spin {
  position: absolute;
  left: 50%;
  bottom: 34px;
  width: 380px;
  height: 380px;
  margin-left: -190px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0%, #3860f4 20%, #22d3ee 36%, transparent 62%);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 6px), #000 calc(100% - 5px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 6px), #000 calc(100% - 5px));
  transform: rotateX(60deg);
  animation: haloSpin 10s linear infinite;
  z-index: 1;
}

/* 中心向外扩散的脉冲圈 */
.orbit-ping {
  position: absolute;
  left: 50%;
  top: 44%;
  width: 150px;
  height: 150px;
  margin: -75px 0 0 -75px;
  border-radius: 50%;
  border: 1.5px solid rgba(56, 96, 244, .5);
  pointer-events: none;
  animation: orbitPing 3.6s ease-out infinite;
  z-index: 4;
}
.orbit-ping.p2 { animation-delay: 1.8s; }
@keyframes orbitPing {
  0% { transform: scale(.3); opacity: .85; }
  100% { transform: scale(1.7); opacity: 0; }
}

/* 中心核心旋转扫光 */
.orbit-core::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 28px;
  background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, .6), transparent 42%);
  animation: haloSpin 4s linear infinite;
}

/* 状态点 */
.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2ea86d;
  box-shadow: 0 0 0 0 rgba(46, 168, 109, .6);
  animation: livePulse 1.8s ease-out infinite;
}
.live-dot, .caption-pill strong { display: inline-flex; }
@keyframes livePulse {
  0% { box-shadow: 0 0 0 0 rgba(46, 168, 109, .6); }
  70% { box-shadow: 0 0 0 9px rgba(46, 168, 109, 0); }
  100% { box-shadow: 0 0 0 0 rgba(46, 168, 109, 0); }
}

/* 整体轻微悬浮呼吸 */
.orbit-scene { animation: sceneFloat 8s ease-in-out infinite; }
@keyframes sceneFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@media (max-width: 768px) {
  .orbit-scene { height: 420px; max-width: 360px; }
  .orbit-item { width: 58px; height: 58px; margin: -29px; font-size: 26px; border-radius: 16px; }
  .orbit-halo, .orbit-ring-spin, .orbit-path { width: 280px; height: 280px; margin-left: -140px; }
  .orbit-core { width: 74px; height: 74px; margin: -37px 0 0 -37px; font-size: 32px; }
  .orbit-glow { width: 380px; height: 380px; margin: -190px 0 0 -190px; }
  .orbit-ping { width: 110px; height: 110px; margin: -55px 0 0 -55px; }
  .caption-pill { font-size: 12.5px; padding: 8px 16px; }
}