/* ============================================================
   亿筛云官网 · 科技风格设计系统（浅色版）
   ============================================================ */

:root {
  --bg-0: #f0f4fa;
  --bg-1: #ffffff;
  --bg-2: #e8eef7;
  --bg-card: rgba(255, 255, 255, 0.72);
  --bg-card-solid: #ffffff;
  --border: rgba(15, 30, 60, 0.10);
  --border-glow: rgba(0, 130, 180, 0.30);
  --text-0: #1a2238;
  --text-1: #4a5878;
  --text-2: #8b9bb5;
  --cyan: #0099cc;
  --blue: #2563eb;
  --purple: #7c3aed;
  --green: #059669;
  --orange: #d97706;
  --red: #dc2626;
  --grad: linear-gradient(120deg, #0099cc 0%, #2563eb 55%, #7c3aed 100%);
  --grad-soft: linear-gradient(120deg, rgba(0, 153, 204, 0.08), rgba(124, 58, 237, 0.08));
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 20px 60px rgba(15, 30, 60, 0.10);
  --shadow-glow: 0 8px 40px rgba(0, 153, 204, 0.08);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "SF Mono", "JetBrains Mono", Consolas, "Courier New", monospace;
  --nav-h: 72px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg-0);
  color: var(--text-0);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: rgba(0, 153, 204, 0.18); }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #c3d4ea, #a8bdd8);
  border-radius: 6px;
  border: 2px solid var(--bg-2);
}
::-webkit-scrollbar-thumb:hover { background: #8ba5c4; }

/* ---------- 背景特效 ---------- */
.bg-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 40%, transparent 100%);
}
.bg-glow {
  position: fixed; inset: 0; z-index: -3; pointer-events: none;
  background:
    radial-gradient(600px 400px at 15% 0%, rgba(0, 153, 204, 0.07), transparent 70%),
    radial-gradient(700px 500px at 85% 10%, rgba(124, 58, 237, 0.06), transparent 70%),
    radial-gradient(500px 400px at 50% 100%, rgba(37, 99, 235, 0.05), transparent 70%);
}

/* ---------- 通用容器 ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; position: relative; }
.section-sm { padding: 64px 0; }
.section-tight { padding-top: 32px; }
.section-tint { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-tint-top { background: var(--bg-2); border-top: 1px solid var(--border); }

/* ---------- 标题 ---------- */
.sec-head { text-align: center; max-width: 760px; margin: 0 auto 64px; }
.sec-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 999px;
  font-size: 13px; letter-spacing: 2px; color: var(--cyan);
  border: 1px solid var(--border-glow);
  background: rgba(0, 153, 204, 0.05);
  margin-bottom: 20px;
}
.sec-tag::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 10px rgba(0, 153, 204, 0.5);
  animation: pulse 2s infinite;
}
.sec-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800; line-height: 1.25; letter-spacing: -0.5px;
  background: linear-gradient(120deg, #1a2238 30%, #2563eb 70%, #0099cc 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.sec-desc { margin-top: 16px; font-size: 17px; color: var(--text-1); }
.sec-head-tight { margin: 56px auto 32px; }
.sec-head-mt { margin-top: 56px; }
.sec-title-sm { font-size: clamp(22px, 3vw, 32px); }
.sec-desc-center { text-align: center; }
.center-mt { text-align: center; margin-top: 40px; }
.breadcrumb-mb { margin-bottom: 12px; }
.news-meta-center { justify-content: center; }
.sec-desc strong { color: var(--cyan); font-weight: 600; }
.sec-desc em { color: var(--text-0); font-style: normal; font-weight: 600; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: 12px;
  font-size: 15px; font-weight: 600; letter-spacing: 0.5px;
  border: 1px solid transparent;
  transition: all 0.3s ease; position: relative;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad);
  color: #fff; box-shadow: 0 8px 30px rgba(37, 99, 235, 0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 153, 204, 0.30);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.6);
  border-color: var(--border);
  color: var(--text-0);
}
.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0, 153, 204, 0.05);
  transform: translateY(-2px);
}
.btn-lg { padding: 16px 38px; font-size: 16px; }
.btn-sm { padding: 9px 20px; font-size: 14px; border-radius: 10px; }
.btn-block { width: 100%; }

/* ---------- 导航栏 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  transition: background 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease, border-color 0.35s ease;
  animation: navDrop 0.6s cubic-bezier(.2,.7,.2,1) both;
}
@keyframes navDrop {
  from { transform: translateY(-100%); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}
/* 顶部滚动进度条 */
.nav-progress {
  position: absolute; top: 0; left: 0; height: 3px; width: 0%;
  background: var(--grad);
  box-shadow: 0 0 12px rgba(0, 153, 204, 0.6);
  transition: width 0.12s linear;
  z-index: 3;
}
.nav.scrolled {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 6px 28px rgba(15, 30, 60, 0.08);
}
.nav-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
  position: relative;
}
.logo { display: flex; align-items: center; position: relative; }
.logo-img {
  height: 34px; width: auto; display: block; position: relative; z-index: 1;
  transition: transform 0.35s cubic-bezier(.2,.7,.2,1), filter 0.35s ease;
}
.logo-glow {
  position: absolute; left: 50%; top: 50%; width: 56px; height: 56px; z-index: 0;
  transform: translate(-50%, -50%) scale(0.6);
  background: radial-gradient(circle, rgba(0, 153, 204, 0.35), transparent 70%);
  border-radius: 50%; opacity: 0; pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.logo:hover .logo-img { transform: scale(1.06); filter: drop-shadow(0 4px 10px rgba(0, 153, 204, 0.35)); }
.logo:hover .logo-glow { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* 导航链接 */
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link {
  position: relative; font-size: 15px; color: var(--text-1);
  padding: 9px 16px; border-radius: 10px; white-space: nowrap;
  transition: color 0.25s ease, background 0.25s ease;
  opacity: 0; transform: translateY(-10px);
  animation: linkIn 0.5s cubic-bezier(.2,.7,.2,1) forwards;
}
.nav-links > *:nth-child(1) { animation-delay: 0.12s; }
.nav-links > *:nth-child(2) { animation-delay: 0.18s; }
.nav-links > *:nth-child(3) { animation-delay: 0.24s; }
.nav-links > *:nth-child(4) { animation-delay: 0.30s; }
.nav-links > *:nth-child(5) { animation-delay: 0.36s; }
.nav-links > *:nth-child(6) { animation-delay: 0.42s; }
@keyframes linkIn { to { opacity: 1; transform: translateY(0); } }

.nav-link::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 4px;
  height: 2px; border-radius: 2px; background: var(--grad);
  transform: scaleX(0); transform-origin: center;
  box-shadow: 0 0 8px rgba(0, 153, 204, 0.5);
  transition: transform 0.3s ease;
}
.nav-link:hover { color: var(--text-0); background: rgba(0, 153, 204, 0.06); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active { color: var(--text-0); background: var(--grad-soft); font-weight: 600; }
.nav-link.active::after { transform: scaleX(1); }

/* 下拉菜单（产品） */
.nav-item { position: relative; }
.caret {
  display: inline-block; width: 7px; height: 7px; margin-left: 5px;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  transition: transform 0.3s ease, opacity 0.3s ease; opacity: 0.7;
}
.nav-item.has-menu:hover .caret,
.nav-item.has-menu.open .caret { transform: rotate(225deg) translateY(1px); opacity: 1; }

.nav-dropdown {
  position: absolute; top: calc(100% + 8px); left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 286px; padding: 10px;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border); border-radius: 16px;
  box-shadow: 0 18px 48px rgba(15, 30, 60, 0.16);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.28s ease, transform 0.28s ease, visibility 0.28s;
}
.nav-dropdown::before {
  content: ""; position: absolute; top: -7px; left: 50%;
  width: 12px; height: 12px; transform: translateX(-50%) rotate(45deg);
  background: rgba(255, 255, 255, 0.97);
  border-left: 1px solid var(--border); border-top: 1px solid var(--border);
}
.nav-item.has-menu:hover .nav-dropdown,
.nav-item.has-menu.open .nav-dropdown {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.drop-link {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 12px; border-radius: 11px;
  transition: background 0.22s ease, transform 0.22s ease;
}
.drop-link:hover { background: var(--grad-soft); transform: translateX(3px); }
.drop-ic {
  flex: 0 0 38px; width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center; font-size: 19px;
  background: linear-gradient(135deg, rgba(0, 153, 204, 0.12), rgba(124, 58, 237, 0.12));
}
.drop-txt { display: flex; flex-direction: column; line-height: 1.35; }
.drop-txt b { font-size: 14.5px; color: var(--text-0); font-weight: 600; }
.drop-txt i { font-size: 12px; color: var(--text-2); font-style: normal; }

.nav-cta { display: flex; align-items: center; gap: 12px; }
/* 主按钮扫光 */
.btn-primary { position: relative; overflow: hidden; }
.btn-shine {
  position: absolute; top: 0; left: -130%; width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  transform: skewX(-20deg); transition: left 0.6s ease; pointer-events: none;
}
.btn-primary:hover .btn-shine { left: 150%; }

.nav-burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 8px; }
.nav-burger span {
  width: 22px; height: 2px; background: var(--text-0);
  border-radius: 2px; transition: all 0.3s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 尊重「减少动效」偏好 */
@media (prefers-reduced-motion: reduce) {
  .nav, .nav-links > *, .nav-link, .nav-dropdown, .logo-img, .logo-glow,
  .btn-shine, .caret { animation: none !important; transition: none !important; opacity: 1 !important; transform: none !important; }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: calc(var(--nav-h) + 60px) 0 80px; position: relative;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(800px 500px at 70% 20%, rgba(0, 153, 204, 0.08), transparent 65%),
    radial-gradient(700px 500px at 20% 80%, rgba(124, 58, 237, 0.06), transparent 65%);
}
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 64px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px; border-radius: 999px;
  background: rgba(0, 153, 204, 0.06);
  border: 1px solid var(--border-glow);
  font-size: 14px; color: var(--cyan); margin-bottom: 28px;
}
.hero-badge .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 12px rgba(5, 150, 105, 0.5); animation: pulse 2s infinite;
}
.hero-title {
  font-size: clamp(38px, 5.4vw, 62px);
  font-weight: 900; line-height: 1.15; letter-spacing: -1px;
  color: var(--text-0);
}
.hero-title .grad-text {
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub { margin-top: 24px; font-size: 18px; color: var(--text-1); max-width: 560px; }
.hero-sub strong { color: var(--text-0); }
.hero-actions { display: flex; gap: 16px; margin-top: 40px; flex-wrap: wrap; }
.hero-note { margin-top: 18px; font-size: 13px; color: var(--text-2); display: flex; align-items: center; gap: 6px; }
.hero-note svg { width: 14px; height: 14px; }

/* Hero 右侧可视化面板 */
.hero-visual { position: relative; }
.hero-panel {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.95), rgba(240, 244, 250, 0.95));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}
.hero-panel::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}
.panel-head { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; }
.panel-head .dot { width: 10px; height: 10px; border-radius: 50%; }
.panel-head .dot.r { background: #ff5f57; }
.panel-head .dot.y { background: #febc2e; }
.panel-head .dot.g { background: #28c840; }
.panel-title { margin-left: 8px; font-size: 13px; color: var(--text-2); font-family: var(--mono); }

.panel-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border-radius: 12px;
  background: rgba(15, 30, 60, 0.03);
  border: 1px solid var(--border);
  margin-bottom: 10px;
  animation: slideRow 0.6s ease both;
}
.panel-row:nth-child(3) { animation-delay: 0.15s; }
.panel-row:nth-child(4) { animation-delay: 0.3s; }
.panel-row:nth-child(5) { animation-delay: 0.45s; }
.panel-avatar {
  width: 34px; height: 34px; border-radius: 9px; flex-shrink: 0;
  display: grid; place-items: center; font-size: 14px; font-weight: 700;
}
.panel-row-info { flex: 1; min-width: 0; }
.panel-row-info .name { font-size: 13.5px; font-weight: 600; color: var(--text-0); }
.panel-row-info .meta { font-size: 11.5px; color: var(--text-2); margin-top: 1px; }
.panel-tag {
  font-size: 11px; padding: 3px 10px; border-radius: 999px;
  flex-shrink: 0; font-weight: 600; letter-spacing: 0.5px;
}
.panel-tag.kp { background: rgba(0, 153, 204, 0.10); color: var(--cyan); border: 1px solid var(--border-glow); }
.panel-tag.hot { background: rgba(5, 150, 105, 0.10); color: var(--green); border: 1px solid rgba(5, 150, 105, 0.25); }
.panel-tag.rec { background: rgba(124, 58, 237, 0.10); color: var(--purple); border: 1px solid rgba(124, 58, 237, 0.25); }

.panel-float {
  position: absolute; padding: 12px 16px; border-radius: 14px;
  background: rgba(255, 255, 255, 0.95); border: 1px solid var(--border);
  box-shadow: var(--shadow-glow); backdrop-filter: blur(8px);
  font-size: 13px; display: flex; align-items: center; gap: 10px;
  animation: float 5s ease-in-out infinite;
}
.panel-float .num { font-size: 20px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.panel-float.f1 { top: -22px; right: -10px; }
.panel-float.f2 { bottom: -24px; left: -30px; animation-delay: 2.5s; }
.panel-float.f2 .num { font-size: 15px; }

/* ---------- 数据指标条 ---------- */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.5);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { padding: 44px 24px; text-align: center; position: relative; }
.stat-item + .stat-item::before {
  content: ""; position: absolute; left: 0; top: 30%; bottom: 30%;
  width: 1px; background: var(--border);
}
.stat-num {
  font-size: clamp(34px, 4vw, 48px); font-weight: 900; letter-spacing: -1px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  font-family: var(--mono);
}
.stat-label { margin-top: 8px; font-size: 14px; color: var(--text-2); }

/* ---------- 卡片 ---------- */
.card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(15, 30, 60, 0.04);
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad); opacity: 0; transition: opacity 0.35s;
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: 0 20px 50px rgba(0, 153, 204, 0.12);
}
.card:hover::before { opacity: 1; }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--grad-soft);
  border: 1px solid var(--border-glow);
  display: grid; place-items: center;
  margin-bottom: 20px; font-size: 24px;
}
.card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; color: var(--text-0); }
.card p { font-size: 14.5px; color: var(--text-1); }
.card p + p { margin-top: 8px; }

/* 功能网格 */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feat-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.feat-grid-center { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* ---------- 流程步骤 ---------- */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.flow-step { position: relative; text-align: center; padding: 36px 24px; }
.flow-line {
  position: absolute; top: 44px; left: calc(50% + 60px); right: calc(-50% + 60px);
  height: 2px; background: linear-gradient(90deg, rgba(0,153,204,0.3), rgba(124,58,237,0.3));
  border-radius: 2px;
}
.flow-num {
  width: 64px; height: 64px; margin: 0 auto 20px; border-radius: 18px;
  background: var(--bg-card-solid);
  border: 1px solid var(--border-glow);
  display: grid; place-items: center;
  font-size: 22px; font-weight: 800; color: var(--cyan);
  position: relative; z-index: 1;
  box-shadow: 0 4px 20px rgba(0, 153, 204, 0.10);
}
.flow-step h4 { font-size: 17px; font-weight: 700; margin-bottom: 8px; color: var(--text-0); }
.flow-step p { font-size: 13.5px; color: var(--text-2); }

/* ---------- 行业方案 ---------- */
.industry-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.industry-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(15, 30, 60, 0.04);
}
.industry-card::after {
  content: ""; position: absolute; right: -40px; bottom: -40px;
  width: 140px; height: 140px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 153, 204, 0.06), transparent 70%);
}
.industry-card:hover { transform: translateY(-5px); border-color: var(--border-glow); box-shadow: 0 20px 50px rgba(0, 153, 204, 0.10); }
.industry-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.industry-icon {
  width: 48px; height: 48px; border-radius: 13px; flex-shrink: 0;
  background: var(--grad-soft); border: 1px solid var(--border-glow);
  display: grid; place-items: center; font-size: 22px;
}
.industry-card h3 { font-size: 19px; font-weight: 700; color: var(--text-0); }
.industry-card .sub { font-size: 13px; color: var(--cyan); margin-top: 2px; }
.industry-card p { font-size: 14px; color: var(--text-1); }
.industry-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.industry-tags-center { justify-content: center; max-width: 760px; margin-left: auto; margin-right: auto; margin-top: 16px; }
.industry-tags span {
  font-size: 12px; padding: 4px 12px; border-radius: 999px;
  background: rgba(15, 30, 60, 0.04); border: 1px solid var(--border);
  color: var(--text-1);
}

/* ---------- AI 外呼 ---------- */
.ai-banner {
  background: linear-gradient(135deg, rgba(0, 153, 204, 0.06), rgba(124, 58, 237, 0.07));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; align-items: center;
  position: relative; overflow: hidden;
}
.ai-banner::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(400px 200px at 90% 10%, rgba(0,153,204,0.08), transparent 70%),
    radial-gradient(300px 200px at 10% 90%, rgba(124,58,237,0.08), transparent 70%);
}
.ai-banner h3 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; margin-bottom: 14px; position: relative; color: var(--text-0); }
.ai-banner p { color: var(--text-1); font-size: 15.5px; position: relative; }
.ai-banner .btn { margin-top: 26px; position: relative; }
.ai-wave { position: relative; display: grid; place-items: center; }
.ai-wave .ring {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(0, 153, 204, 0.25);
  animation: ripple 3s ease-out infinite;
}
.ai-wave .ring.r2 { animation-delay: 1.5s; }
.ai-core {
  width: 120px; height: 120px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(0,153,204,0.85), rgba(37,99,235,0.75));
  display: grid; place-items: center;
  font-size: 44px; box-shadow: 0 0 50px rgba(0, 153, 204, 0.30);
  position: relative; z-index: 1;
}

/* 能力列表 */
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.capability-item {
  padding: 26px; border-radius: var(--radius);
  background: var(--bg-card-solid); border: 1px solid var(--border);
  transition: all 0.3s;
  box-shadow: 0 4px 24px rgba(15, 30, 60, 0.04);
}
.capability-item:hover { border-color: var(--border-glow); transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0, 153, 204, 0.10); }
.capability-item .num {
  font-family: var(--mono); font-size: 13px; color: var(--cyan);
  letter-spacing: 1px; display: block; margin-bottom: 8px;
}
.capability-item h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; color: var(--text-0); }
.capability-item p { font-size: 13.5px; color: var(--text-2); }

/* ---------- 对比表格 ---------- */
.compare-wrap { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; overflow-x: auto; background: var(--bg-card-solid); }
.compare-wrap-narrow { max-width: 640px; margin: 0 auto; }
.compare-wrap-mt { margin-top: 42px; }
.compare-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.compare-table th, .compare-table td { padding: 16px 22px; text-align: left; font-size: 14px; }
.compare-table thead th {
  background: rgba(15, 30, 60, 0.03);
  font-weight: 700; color: var(--text-0);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.compare-table thead th.win { color: var(--cyan); }
.compare-table thead th .sub { display: block; font-size: 11px; font-weight: 500; color: var(--text-2); margin-top: 2px; }
.compare-table tbody tr { border-bottom: 1px solid rgba(15, 30, 60, 0.05); transition: background 0.2s; }
.compare-table tbody tr:last-child { border-bottom: none; }
.compare-table tbody tr:hover { background: rgba(0, 153, 204, 0.03); }
.compare-table td:first-child { color: var(--text-1); font-weight: 500; }
.compare-table td { color: var(--text-0); }
.compare-table td .yes { color: var(--green); }
.compare-table td .no { color: var(--text-2); }
.compare-table td.hl { color: var(--cyan); font-weight: 600; }

/* ---------- 价格 ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: stretch; }
.price-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  display: flex; flex-direction: column;
  transition: all 0.35s ease;
  box-shadow: 0 4px 24px rgba(15, 30, 60, 0.04);
}
.price-card:hover { transform: translateY(-8px); box-shadow: 0 24px 60px rgba(15, 30, 60, 0.10); }
.price-card.popular {
  border-color: var(--border-glow);
  background: linear-gradient(180deg, rgba(0, 153, 204, 0.03), rgba(124, 58, 237, 0.03));
  box-shadow: 0 20px 60px rgba(0, 153, 204, 0.10);
}
.price-flag {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--grad); color: #fff;
  font-size: 12px; font-weight: 700; letter-spacing: 2px;
  padding: 5px 18px; border-radius: 999px;
  box-shadow: 0 4px 16px rgba(0, 153, 204, 0.30);
  white-space: nowrap;
}
.price-name { font-size: 20px; font-weight: 800; text-align: center; color: var(--text-0); }
.price-desc { text-align: center; font-size: 13px; color: var(--text-2); margin-top: 4px; }
.price-amount { text-align: center; margin: 26px 0; }
.price-amount .cur { font-size: 16px; color: var(--text-1); vertical-align: super; margin-right: 2px; }
.price-amount .val { font-size: 52px; font-weight: 900; letter-spacing: -2px; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-family: var(--mono); }
.price-amount .unit { font-size: 14px; color: var(--text-2); margin-left: 4px; }
.price-feats { flex: 1; margin-bottom: 30px; }
.price-feats li {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 9px 0; font-size: 14px; color: var(--text-1);
  border-bottom: 1px dashed rgba(15, 30, 60, 0.08);
}
.price-feats li:last-child { border-bottom: none; }
.price-feats li .ic { color: var(--cyan); flex-shrink: 0; margin-top: 1px; }
.price-feats li.no .ic { color: var(--text-2); }
.price-feats li.no { color: var(--text-2); text-decoration: line-through; text-decoration-color: rgba(15, 30, 60, 0.15); }
.price-feats li .tip { color: var(--orange); font-size: 12px; text-decoration: none; }

/* ---------- 服务保障 ---------- */
.guarantee-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.g-item {
  display: flex; gap: 16px; padding: 26px;
  background: var(--bg-card-solid); border: 1px solid var(--border);
  border-radius: var(--radius); transition: all 0.3s;
  box-shadow: 0 4px 24px rgba(15, 30, 60, 0.04);
}
.g-item:hover { border-color: var(--border-glow); transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0, 153, 204, 0.10); }
.g-ic {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
  background: var(--grad-soft); border: 1px solid var(--border-glow);
  display: grid; place-items: center; font-size: 20px;
}
.g-item h4 { font-size: 16px; font-weight: 700; margin-bottom: 5px; color: var(--text-0); }
.g-item p { font-size: 13.5px; color: var(--text-2); }

/* ---------- CTA 区块 ---------- */
.cta-section { position: relative; overflow: hidden; }
.cta-box {
  background: linear-gradient(135deg, rgba(0, 153, 204, 0.06), rgba(124, 58, 237, 0.07));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 72px 48px; text-align: center;
  position: relative; overflow: hidden;
}
.cta-box::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(500px 250px at 50% 0%, rgba(0,153,204,0.08), transparent 70%);
}
.cta-box h2 { font-size: clamp(26px, 3.5vw, 40px); font-weight: 800; position: relative; color: var(--text-0); }
.cta-box p { color: var(--text-1); margin: 16px auto 36px; max-width: 560px; font-size: 16px; position: relative; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; }
.cta-note { margin-top: 20px; font-size: 13px; color: var(--text-2); position: relative; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card-solid);
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.faq-item:hover { border-color: var(--border-glow); box-shadow: 0 8px 24px rgba(0, 153, 204, 0.08); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px;
  font-size: 16px; font-weight: 600; color: var(--text-0);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-ic {
  width: 26px; height: 26px; flex-shrink: 0;
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--cyan); font-size: 18px;
  background: rgba(0, 153, 204, 0.08);
  transition: transform 0.25s;
}
.faq-item[open] summary .faq-ic { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 24px 20px; font-size: 15px; line-height: 1.8; color: var(--text-1); }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--border); background: var(--bg-2); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 48px; }
.footer h5 { font-size: 15px; font-weight: 700; margin-bottom: 18px; color: var(--text-0); }
.footer a.f-link { display: block; color: var(--text-2); font-size: 14px; padding: 5px 0; transition: color 0.25s; }
.footer a.f-link:hover { color: var(--cyan); }
.footer .f-about { font-size: 14px; color: var(--text-2); margin-top: 14px; max-width: 300px; line-height: 1.8; }
.footer .f-contact { margin-top: 18px; }
.footer .f-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-1); padding: 5px 0; }
.footer .f-contact .ic { color: var(--cyan); }
.footer-bottom {
  margin-top: 48px; padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  text-align: center;
  font-size: 13px; color: var(--text-2);
}
.fb-line {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: 6px 18px; line-height: 1.6;
}
.fb-dot { opacity: .4; user-select: none; }
.footer-legal { margin-top: 2px; }
.footer-legal a { color: var(--text-2); text-decoration: none; transition: color .25s; }
.footer-legal a:hover { color: var(--cyan); }
.beian-ico { display: inline-block; height: 18px; width: 18px; vertical-align: middle; margin-right: 4px; }
@media (max-width: 768px) {
  .fb-line { gap: 6px 14px; font-size: 12.5px; }
}

/* ---------- 表单 ---------- */
.form-wrap { max-width: 640px; margin: 0 auto; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; }
.form-field.full { grid-column: 1 / -1; }
.form-label { font-size: 13.5px; color: var(--text-1); margin-bottom: 8px; font-weight: 500; }
.form-label span { color: var(--red); margin-left: 2px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 13px 16px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-0); font-size: 15px;
  font-family: inherit;
  transition: all 0.3s;
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 153, 204, 0.10);
  background: #fff;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-2); }
.form-select { appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238b9bb5' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center;
  padding-right: 40px;
}
.form-select option { background: #fff; color: var(--text-0); }
.form-textarea { resize: vertical; min-height: 110px; }
.form-errors { grid-column: 1 / -1; }
.form-errors .err-item { color: var(--red); font-size: 13px; margin-top: 4px; }
.form-note { text-align: center; font-size: 13px; color: var(--text-2); margin-top: 16px; }

/* 消息提示 */
.alert {
  padding: 14px 20px; border-radius: 12px; font-size: 14px;
  margin-bottom: 24px; display: flex; align-items: center; gap: 10px;
  border: 1px solid;
}
.alert-success { background: rgba(5, 150, 105, 0.08); border-color: rgba(5, 150, 105, 0.25); color: var(--green); }
.alert-error { background: rgba(220, 38, 38, 0.08); border-color: rgba(220, 38, 38, 0.25); color: var(--red); }

/* ---------- 页面头 ---------- */
.page-hero {
  padding: calc(var(--nav-h) + 80px) 0 64px;
  text-align: center; position: relative;
}
.page-hero h1 {
  font-size: clamp(34px, 5vw, 52px); font-weight: 900; letter-spacing: -1px;
  background: linear-gradient(120deg, #1a2238 30%, #2563eb 70%, #0099cc 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-hero p { margin-top: 18px; font-size: 17px; color: var(--text-1); max-width: 640px; margin-inline: auto; }
.breadcrumb { margin-top: 20px; font-size: 13px; color: var(--text-2); }
.breadcrumb a { color: var(--text-2); transition: color 0.25s; }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb .sep { margin: 0 8px; color: var(--text-2); opacity: 0.5; }

/* ---------- 特性对比两列 ---------- */
.dual { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.dual-col { border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px; background: var(--bg-card-solid); box-shadow: 0 4px 24px rgba(15, 30, 60, 0.04); }
.dual-col h3 { font-size: 20px; font-weight: 800; margin-bottom: 8px; color: var(--text-0); }
.dual-col .sub { font-size: 13.5px; color: var(--text-2); margin-bottom: 24px; }
.dual-col ul li { display: flex; gap: 10px; padding: 10px 0; font-size: 14.5px; color: var(--text-1); border-bottom: 1px dashed rgba(15, 30, 60, 0.08); }
.dual-col ul li:last-child { border-bottom: none; }
.dual-col ul .ic { color: var(--cyan); flex-shrink: 0; }
.dual-col.win { border-color: var(--border-glow); background: linear-gradient(180deg, rgba(0,153,204,0.03), rgba(124,58,237,0.03)); }

/* ---------- 双栏对比报价（yishai 价格区） ---------- */
.price-compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: 0;
  position: relative;
  margin-top: 12px;
}
.pc-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: 0 4px 24px rgba(15, 30, 60, 0.04);
  display: flex; flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.pc-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(15, 30, 60, 0.10);
}
.pc-card:nth-child(1) {
  border-top: 3px solid transparent;
  background-image: linear-gradient(var(--bg-card-solid), var(--bg-card-solid)),
                    var(--grad);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  border-top-color: transparent;
}
.pc-card:nth-child(3) {
  border-top: 3px solid transparent;
  background-image: linear-gradient(var(--bg-card-solid), var(--bg-card-solid)),
                    var(--grad);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  border-top-color: transparent;
}
.pc-head {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.pc-num {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 11px;
  font-family: var(--mono);
  font-weight: 800;
  font-size: 17px;
  color: #fff;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}
.pc-num-1 {
  background: linear-gradient(135deg, #7c3aed, #4f46e5);
  box-shadow: 0 6px 16px rgba(124, 58, 237, 0.28);
}
.pc-num-2 {
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  box-shadow: 0 6px 16px rgba(14, 165, 233, 0.28);
}
.pc-card h3 {
  font-size: 22px; font-weight: 800; color: var(--text-0);
}
.pc-desc {
  font-size: 14.5px; line-height: 1.85;
  color: var(--text-1); margin-bottom: 18px;
}
.price-hl {
  color: var(--blue, #1e6cff);
  font-weight: 700;
}
.pc-list {
  list-style: none; padding: 0; margin: 0 0 24px;
}
.pc-list li {
  position: relative;
  padding: 10px 0 10px 22px;
  font-size: 14.5px; line-height: 1.7;
  color: var(--text-1);
  border-bottom: 1px dashed rgba(15, 30, 60, 0.08);
}
.pc-list li:last-child { border-bottom: none; }
.pc-list li::before {
  content: ""; position: absolute;
  left: 4px; top: 18px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue, #1e6cff);
}
.pc-quote {
  margin-top: auto;
  border: 1.5px dashed rgba(30, 108, 255, 0.35);
  border-radius: 14px;
  padding: 20px 22px 22px;
  background: linear-gradient(180deg, rgba(30,108,255,0.025), rgba(124,58,237,0.025));
}
.pc-quote-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 14px;
}
.pc-quote-title {
  font-size: 18px;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.pc-quote-tag {
  font-size: 12px;
  color: var(--text-2);
}
.pc-btn {
  width: 100%;
  background: var(--grad);
  border: none;
  color: #fff !important;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: 999px;
  padding: 14px 24px;
  box-shadow: 0 8px 24px rgba(30, 108, 255, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.pc-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.35);
  color: #fff !important;
}
.pc-vs {
  align-self: center;
  width: 48px; height: 48px;
  margin: 0 -24px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--mono);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 1px;
  color: #fff;
  background: linear-gradient(135deg, #1e6cff, #7c3aed);
  box-shadow: 0 8px 24px rgba(30, 108, 255, 0.30);
  z-index: 1;
}

/* ---------- 三卡计费（探筛宝） ---------- */
.bill-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  align-items: stretch;
}
.bill-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  display: flex; flex-direction: column;
  box-shadow: 0 4px 24px rgba(15, 30, 60, 0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.bill-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(15, 30, 60, 0.10);
}
.bill-card.card-pop {
  border: 1px solid transparent;
  background-image: linear-gradient(var(--bg-card-solid), var(--bg-card-solid)), var(--grad);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow: 0 12px 40px rgba(0, 153, 204, 0.12);
}
.bill-head {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 18px;
}
.bill-no {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 11px;
  font-family: var(--mono);
  font-weight: 800;
  font-size: 17px;
  color: #fff;
  letter-spacing: 0.5px;
  flex-shrink: 0;
  background: linear-gradient(135deg, #7c3aed, #4f46e5);
  box-shadow: 0 6px 16px rgba(124, 58, 237, 0.28);
}
.bill-card:nth-child(2) .bill-no {
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  box-shadow: 0 6px 16px rgba(14, 165, 233, 0.28);
}
.bill-card:nth-child(3) .bill-no {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.28);
}
.bill-head h3 {
  font-size: 20px; font-weight: 800; color: var(--text-0);
}
.bill-rule {
  font-size: 14.5px; line-height: 1.85;
  color: var(--text-1); margin-bottom: 18px;
}
.bill-rule b { color: var(--blue, #1e6cff); }
.bill-list {
  list-style: none; padding: 0; margin: 0 0 26px;
}
.bill-list li {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 10px 0;
  font-size: 14.5px; line-height: 1.7;
  color: var(--text-1);
  border-bottom: 1px dashed rgba(15, 30, 60, 0.08);
}
.bill-list li:last-child { border-bottom: none; }
.bill-list .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue, #1e6cff);
  margin-top: 9px;
  flex-shrink: 0;
}
.pq-top {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 14px;
}

/* ---------- 计费对比表（探筛宝） ---------- */
.bill-compare { margin-top: 48px; }
.bill-compare-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-0);
  text-align: center;
  margin-bottom: 18px;
}

/* ---------- 步骤列表 ---------- */
.steps { counter-reset: step; }
.step-item {
  display: flex; gap: 22px; padding: 28px 0;
  border-bottom: 1px solid rgba(15, 30, 60, 0.06);
}
.step-item:last-child { border-bottom: none; }
.step-num {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
  background: var(--grad-soft); border: 1px solid var(--border-glow);
  display: grid; place-items: center;
  font-size: 17px; font-weight: 800; color: var(--cyan);
}
.step-item h4 { font-size: 17px; font-weight: 700; margin-bottom: 6px; color: var(--text-0); }
.step-item p { font-size: 14px; color: var(--text-1); }

/* ---------- 版本对比 ---------- */
.version-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; background: var(--bg-card-solid); }
.version-cell { padding: 22px 20px; border-right: 1px solid var(--border); text-align: center; }
.version-cell:last-child { border-right: none; }
.version-cell.head { background: rgba(15, 30, 60, 0.03); font-weight: 700; color: var(--text-0); }
.version-cell.hl { color: var(--cyan); font-weight: 600; }

/* ---------- 数据来源 ---------- */
.source-cloud { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; max-width: 800px; margin: 0 auto; }
.source-cloud span {
  padding: 10px 22px; border-radius: 12px;
  background: var(--bg-card-solid); border: 1px solid var(--border);
  font-size: 14.5px; color: var(--text-1);
  transition: all 0.3s;
  box-shadow: 0 2px 12px rgba(15, 30, 60, 0.03);
}
.source-cloud span:hover { border-color: var(--border-glow); color: var(--cyan); transform: translateY(-2px); }
.source-cloud span b { color: var(--text-0); }

/* ---------- 联系方式页 ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }
.contact-info-card { background: var(--bg-card-solid); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px; box-shadow: 0 4px 24px rgba(15, 30, 60, 0.04); }
.contact-info-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 24px; color: var(--text-0); }
.contact-line { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px dashed rgba(15, 30, 60, 0.08); }
.contact-line:last-child { border-bottom: none; }
.contact-line .ic {
  width: 42px; height: 42px; border-radius: 11px; flex-shrink: 0;
  background: var(--grad-soft); border: 1px solid var(--border-glow);
  display: grid; place-items: center; font-size: 18px;
}
.contact-line .lb { font-size: 12.5px; color: var(--text-2); }
.contact-line .vl { font-size: 15px; color: var(--text-0); font-weight: 600; }

/* ---------- 关于 ---------- */
.about-story { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-story .text p { color: var(--text-1); font-size: 15.5px; margin-bottom: 18px; }
.about-story .text p strong { color: var(--text-0); }
.story-panel {
  background: linear-gradient(160deg, rgba(255,255,255,0.95), rgba(240,244,250,0.95));
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 36px; position: relative; overflow: hidden;
  box-shadow: var(--shadow);
}
.story-panel::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--cyan), transparent); }
.story-panel .big {
  font-size: 56px; font-weight: 900; letter-spacing: -2px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  font-family: var(--mono); line-height: 1;
}
.story-panel .big-note { font-size: 14px; color: var(--text-2); margin-top: 6px; }
.story-panel .divider { height: 1px; background: var(--border); margin: 24px 0; }
.story-panel .kpi-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.story-panel .kpi .v { font-size: 24px; font-weight: 800; color: var(--cyan); font-family: var(--mono); }
.story-panel .kpi .l { font-size: 12.5px; color: var(--text-2); margin-top: 2px; }

/* ---------- 动画 ---------- */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes ripple {
  0% { width: 120px; height: 120px; opacity: 0.8; }
  100% { width: 300px; height: 300px; opacity: 0; }
}
@keyframes slideRow {
  from { opacity: 0; transform: translateX(-16px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { opacity: 1; transform: translateY(0); }
/* 仅当用户未偏好减少动画时才启用滚动入场动画 */
@media (prefers-reduced-motion: no-preference) {
  .js .fade-up { opacity: 0; transform: translateY(30px); transition: all 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
  .js .fade-up.visible { opacity: 1; transform: translateY(0); }
  .delay-1 { transition-delay: 0.1s; }
  .delay-2 { transition-delay: 0.2s; }
  .delay-3 { transition-delay: 0.3s; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero-visual { max-width: 560px; margin: 0 auto; width: 100%; }
  .feat-grid, .capability-grid, .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
  .bill-grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
  .flow-line { display: none; }
  .price-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid, .about-story, .ai-banner { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(3)::before { display: none; }
}
@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    padding: 8px 18px 20px;
    transform: translateY(-130%); transition: transform 0.35s ease;
    align-items: stretch;
    box-shadow: 0 10px 30px rgba(15, 30, 60, 0.08);
    max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links > * { animation: none !important; opacity: 1 !important; transform: none !important; }
  .nav-link { padding: 14px 10px; font-size: 16px; border-bottom: 1px solid rgba(15, 30, 60, 0.05); }
  .nav-link::after { display: none; }
  .nav-link.active { background: var(--grad-soft); border-radius: 10px; }
  /* 移动端下拉：可展开子列表 */
  .nav-dropdown {
    position: static; transform: none; opacity: 1; visibility: visible; pointer-events: auto;
    min-width: 0; width: 100%; padding: 0; background: transparent; border: none; box-shadow: none;
    max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
  }
  .nav-item.has-menu.open .nav-dropdown { max-height: 360px; padding-bottom: 6px; }
  .nav-dropdown::before { display: none; }
  .drop-link { padding: 11px 14px; border-bottom: 1px solid rgba(15, 30, 60, 0.04); }
  .nav-cta .btn-ghost { display: none; }
  .nav-burger { display: flex; }
  .feat-grid, .feat-grid-2, .capability-grid, .guarantee-grid, .industry-grid { grid-template-columns: 1fr; }
  .dual { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item { padding: 30px 16px; }
  .hero { padding-top: calc(var(--nav-h) + 40px); }
  .panel-float.f2 { left: 0; }
  .cta-box { padding: 48px 24px; }
  .price-compare { grid-template-columns: 1fr; gap: 16px; }
  .pc-vs { display: none; }
}

/* ============================================================
   企业动态 · 新闻模块样式
   ============================================================ */

/* ---------- 筛选栏 ---------- */
.news-filter {
  display: flex; flex-wrap: wrap; gap: 18px;
  align-items: center; justify-content: space-between;
  margin-top: 8px;
}
.filter-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  padding: 8px 20px; border-radius: 999px;
  font-size: 14px; color: var(--text-1);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.6);
  transition: all 0.25s ease;
}
.chip:hover { color: var(--cyan); border-color: var(--border-glow); }
.chip.active {
  color: #fff;
  background: var(--grad);
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(0, 153, 204, 0.25);
}
.search-form { display: flex; gap: 10px; }
.search-form input {
  padding: 10px 18px; border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.8);
  color: var(--text-0); font-size: 14px;
  outline: none; min-width: 220px;
  transition: border-color 0.25s ease;
}
.search-form input:focus { border-color: var(--border-glow); }
.search-form input::placeholder { color: var(--text-2); }

/* ---------- 新闻卡片网格 ---------- */
.news-list-section { padding-top: 20px; }
.news-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  position: relative;
  box-shadow: 0 4px 24px rgba(15, 30, 60, 0.04);
}
.news-card::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(160deg, rgba(0, 153, 204, 0.06), transparent 45%);
  opacity: 0; transition: opacity 0.35s ease; pointer-events: none;
}
.news-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: 0 20px 50px rgba(0, 153, 204, 0.10);
}
.news-card:hover::before { opacity: 1; }
.news-thumb {
  position: relative; display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden; background: var(--bg-2);
}
.news-thumb img {
  width: 100%; height: 100%; object-fit: contain;
  padding: 12px;
  transition: transform 0.5s ease;
}
.news-card:hover .news-thumb img { transform: scale(1.06); }
.news-thumb-ph {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(120px 90px at 30% 20%, rgba(0, 153, 204, 0.10), transparent 70%),
    radial-gradient(140px 100px at 75% 80%, rgba(124, 58, 237, 0.10), transparent 70%),
    linear-gradient(135deg, #e8eef7, #d8e3f2);
}
.ph-mark {
  font-size: 54px; font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.85;
}
.news-cat {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  padding: 4px 14px; border-radius: 999px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.5px;
  color: #fff;
  background: var(--grad);
  box-shadow: 0 4px 14px rgba(0, 153, 204, 0.25);
}
.news-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.news-meta {
  display: flex; gap: 16px; margin-bottom: 12px;
  font-size: 13px; color: var(--text-2);
}
.news-title { font-size: 18px; font-weight: 700; line-height: 1.5; margin-bottom: 10px; color: var(--text-0); }
.news-title a { color: var(--text-0); transition: color 0.25s ease; }
.news-title a:hover { color: var(--cyan); }
.news-excerpt {
  font-size: 14px; color: var(--text-1); line-height: 1.75;
  margin-bottom: 14px; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.news-tags span {
  padding: 3px 12px; border-radius: 999px;
  font-size: 12px; color: var(--text-1);
  border: 1px solid var(--border);
  background: rgba(15, 30, 60, 0.03);
}
.news-more {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 600; color: var(--cyan);
  transition: gap 0.25s ease;
}
.news-more .arrow { transition: transform 0.25s ease; }
.news-more:hover .arrow { transform: translateX(4px); }

/* ---------- 分页 ---------- */
.pagination {
  display: flex; justify-content: center; align-items: center;
  gap: 10px; margin-top: 56px; flex-wrap: wrap;
}
.page-btn {
  padding: 9px 18px; border-radius: 10px;
  font-size: 14px; font-weight: 500;
  color: var(--text-1); border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.6);
  transition: all 0.25s ease;
}
.page-btn:hover { color: var(--cyan); border-color: var(--border-glow); }
.page-btn.active {
  color: #fff; background: var(--grad); border-color: transparent;
  font-weight: 700; box-shadow: 0 6px 18px rgba(0, 153, 204, 0.25);
}

/* ---------- 空状态 ---------- */
.news-empty {
  text-align: center; padding: 80px 20px;
  border: 1px dashed var(--border); border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.4);
}
.empty-icon { font-size: 56px; margin-bottom: 18px; opacity: 0.7; }
.news-empty h3 { font-size: 22px; margin-bottom: 10px; color: var(--text-0); }
.news-empty p { color: var(--text-1); margin-bottom: 28px; }

/* ============================================================
   文章详情页
   ============================================================ */
.article-hero {
  padding: 96px 0 48px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(500px 260px at 50% 0%, rgba(0, 153, 204, 0.05), transparent 70%);
}
.article-hero-inner { text-align: center; max-width: 860px; margin: 0 auto; }
.back-link {
  display: inline-block; margin-bottom: 22px;
  font-size: 14px; color: var(--text-2);
  transition: color 0.25s ease;
}
.back-link:hover { color: var(--cyan); }
.hero-cat {
  position: static; display: inline-block;
  margin-bottom: 18px; padding: 5px 18px;
}
.article-title {
  font-size: clamp(26px, 3.6vw, 40px); font-weight: 800; line-height: 1.35;
  background: linear-gradient(120deg, #1a2238 40%, #2563eb 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.article-meta {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 22px;
  margin-top: 18px; font-size: 14px; color: var(--text-2);
}

/* ---------- 正文布局 ---------- */
.article-layout {
  display: grid; grid-template-columns: 1fr 300px; gap: 48px;
  align-items: start;
}
.article-cover {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); margin-bottom: 36px;
  box-shadow: var(--shadow);
}
.article-cover img { width: 100%; height: auto; }

/* 富文本正文 */
.article-body { font-size: 16px; color: var(--text-1); line-height: 1.95; }
.article-body h2 {
  font-size: 24px; font-weight: 700; color: var(--text-0);
  margin: 40px 0 18px; padding-left: 14px;
  border-left: 3px solid var(--cyan);
  line-height: 1.4;
}
.article-body h3 {
  font-size: 19px; font-weight: 700; color: var(--text-0);
  margin: 32px 0 14px;
}
.article-body p { margin-bottom: 18px; }
.article-body strong { color: var(--text-0); }
.article-body em { color: var(--cyan); font-style: normal; }
.article-body a { color: var(--cyan); border-bottom: 1px dashed rgba(0, 153, 204, 0.3); }
.article-body img {
  border-radius: var(--radius); margin: 24px 0;
  border: 1px solid var(--border); box-shadow: var(--shadow);
}
.article-body ul, .article-body ol {
  margin: 0 0 18px 1.4em;
}
.article-body ul li { list-style: disc; margin-bottom: 8px; }
.article-body ol li { list-style: decimal; margin-bottom: 8px; }
.article-body blockquote {
  margin: 24px 0; padding: 18px 24px;
  border-left: 3px solid var(--cyan);
  background: rgba(0, 153, 204, 0.04);
  border-radius: 0 12px 12px 0;
  color: var(--text-0);
}
.article-body table {
  width: 100%; border-collapse: collapse; margin: 24px 0;
  font-size: 14px;
}
.article-body table th, .article-body table td {
  border: 1px solid var(--border); padding: 10px 14px; text-align: left;
}
.article-body table th { background: rgba(15, 30, 60, 0.03); color: var(--text-0); }
.article-body hr { border: none; border-top: 1px solid var(--border); margin: 32px 0; }
.article-body code {
  background: rgba(0, 153, 204, 0.08); color: var(--cyan);
  padding: 2px 8px; border-radius: 6px; font-size: 14px;
}

/* ---------- 标签 / 上下篇 ---------- */
.article-tags {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-top: 40px; padding-top: 28px;
  border-top: 1px solid var(--border);
}
.article-tags span {
  padding: 6px 16px; border-radius: 999px;
  font-size: 13px; color: var(--text-1);
  border: 1px solid var(--border); background: rgba(15, 30, 60, 0.03);
}
.article-nav {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  margin-top: 40px;
}
.nav-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 24px;
  background: var(--bg-card-solid);
  transition: all 0.3s ease;
  box-shadow: 0 4px 24px rgba(15, 30, 60, 0.04);
}
.nav-card.right { text-align: right; }
.nav-card a { display: flex; flex-direction: column; gap: 8px; }
.nav-card:hover {
  border-color: var(--border-glow);
  background: rgba(0, 153, 204, 0.03);
  transform: translateY(-3px);
}
.nav-card-none { display: flex; flex-direction: column; gap: 8px; opacity: 0.4; }
.nav-direction { font-size: 13px; color: var(--cyan); font-weight: 600; }
.nav-title { font-size: 15px; color: var(--text-0); font-weight: 600; line-height: 1.5; }

/* ---------- 侧栏 ---------- */
.article-side {
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--bg-card-solid); padding: 26px 24px;
  position: sticky; top: calc(var(--nav-h) + 24px);
  box-shadow: 0 4px 24px rgba(15, 30, 60, 0.04);
}
.side-title {
  font-size: 16px; font-weight: 700; color: var(--text-0);
  padding-bottom: 16px; margin-bottom: 8px;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.side-title::after {
  content: ""; position: absolute; left: 0; bottom: -1px;
  width: 44px; height: 2px; background: var(--grad); border-radius: 2px;
}
.side-item {
  display: flex; flex-direction: column; gap: 6px;
  padding: 14px 0; border-bottom: 1px solid rgba(15, 30, 60, 0.05);
  transition: all 0.25s ease;
}
.side-item:last-of-type { border-bottom: none; }
.side-item:hover { padding-left: 8px; }
.side-cat { font-size: 12px; color: var(--cyan); }
.side-name { font-size: 14px; color: var(--text-0); font-weight: 600; line-height: 1.5; }
.side-item:hover .side-name { color: var(--cyan); }
.side-date { font-size: 12px; color: var(--text-2); }
.side-more { width: 100%; margin-top: 18px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .article-layout { grid-template-columns: 1fr; }
  .article-side { position: static; }
}
@media (max-width: 768px) {
  .news-filter { flex-direction: column; align-items: stretch; }
  .search-form input { flex: 1; min-width: 0; }
  .news-grid { grid-template-columns: 1fr; }
  .article-nav { grid-template-columns: 1fr; }
  .article-hero { padding-top: 64px; }
}

/* ============================================================
   首页 · 最新动态板块
   ============================================================ */
.home-news-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
  margin-bottom: 48px;
}
.home-news-card {
  display: flex; flex-direction: column;
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  box-shadow: 0 4px 24px rgba(15, 30, 60, 0.04);
}
.home-news-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: 0 20px 50px rgba(0, 153, 204, 0.10);
}
.hn-thumb { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-2); }
.hn-thumb img { width: 100%; height: 100%; object-fit: contain; padding: 12px; transition: transform 0.5s ease; }
.home-news-card:hover .hn-thumb img { transform: scale(1.06); }
.hn-ph {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(110px 80px at 30% 20%, rgba(0, 153, 204, 0.10), transparent 70%),
    radial-gradient(130px 90px at 75% 80%, rgba(124, 58, 237, 0.10), transparent 70%),
    linear-gradient(135deg, #e8eef7, #d8e3f2);
}
.hn-ph span {
  font-size: 46px; font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; opacity: 0.85;
}
.hn-cat {
  position: absolute; top: 12px; left: 12px;
  padding: 3px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600;
  color: #fff; background: var(--grad);
  box-shadow: 0 4px 12px rgba(0, 153, 204, 0.25);
}
.hn-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.hn-date { font-size: 12px; color: var(--text-2); margin-bottom: 8px; }
.hn-title { font-size: 16px; font-weight: 700; line-height: 1.5; color: var(--text-0); margin-bottom: 8px; }
.home-news-card:hover .hn-title { color: var(--cyan); }
.hn-excerpt {
  font-size: 13px; color: var(--text-1); line-height: 1.7;
  margin-bottom: 12px; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.hn-more { font-size: 13px; font-weight: 600; color: var(--cyan); }
.home-news-more { text-align: center; }
@media (max-width: 1024px) {
  .home-news-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .home-news-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   报价模式 · 隐藏价格改为联系客服
   ============================================================ */

/* ---------- 报价说明条 ---------- */
.quote-note {
  display: flex; align-items: center; gap: 14px;
  max-width: 860px; margin: 0 auto 40px;
  padding: 16px 22px;
  background: linear-gradient(90deg, rgba(0,153,204,0.06), rgba(124,58,237,0.05));
  border: 1px solid rgba(0,153,204,0.25);
  border-radius: var(--radius);
}
.qn-ic { font-size: 22px; flex-shrink: 0; }
.qn-text { font-size: 14px; color: var(--text-1); line-height: 1.7; }
.qn-text b { color: var(--text-0); }
.qn-link { color: var(--cyan); font-weight: 600; white-space: nowrap; }
.qn-link:hover { text-decoration: underline; }

/* ---------- 卡片报价区（替代 price-amount） ---------- */
.price-quote {
  text-align: center; margin: 26px 0;
  padding: 20px 16px;
  border: 1px dashed rgba(0,153,204,0.35);
  border-radius: var(--radius);
  background: rgba(0,153,204,0.04);
  display: flex; flex-direction: column; gap: 6px;
}
.price-quote .quote-val {
  font-size: 30px; font-weight: 900; letter-spacing: 1px;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.price-quote .quote-sub { font-size: 13px; color: var(--text-2); }

/* ---------- 表格"联系客服" ---------- */
.table-quote {
  color: var(--cyan) !important;
  font-weight: 600;
  white-space: nowrap;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .quote-note { flex-direction: column; align-items: flex-start; gap: 8px; }
  .price-quote .quote-val { font-size: 24px; }
}

/* ============================================================
   右侧悬浮客服卡片
   ============================================================ */
.side-card {
  position: fixed;
  right: 22px;
  top: 130px;
  z-index: 900;
  width: 208px;
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(15, 30, 60, 0.14), 0 4px 16px rgba(15, 30, 60, 0.08);
  overflow: hidden;
  transition: transform 0.3s ease, opacity 0.3s ease, box-shadow 0.3s ease;
}
.side-card:hover { box-shadow: 0 24px 70px rgba(15, 30, 60, 0.18); }
.side-card.hidden { opacity: 0; transform: translateX(30px); pointer-events: none; }

.sc-head {
  display: flex; align-items: center; gap: 8px;
  padding: 13px 16px;
  background: var(--grad);
  color: #fff;
  font-size: 15px; font-weight: 700;
}
.sc-logo { font-size: 16px; }
.sc-close {
  margin-left: auto;
  background: rgba(255,255,255,0.18);
  border: none; color: #fff;
  width: 22px; height: 22px;
  border-radius: 50%;
  font-size: 12px; line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.25s ease;
}
.sc-close:hover { background: rgba(255,255,255,0.35); }

.sc-qr {
  margin: 18px auto 0;
  width: 158px; height: 158px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
}
.sc-qr img { width: 100%; height: 100%; display: block; }

.sc-scan {
  text-align: center;
  font-size: 13px; font-weight: 600;
  color: var(--text-0);
  margin: 12px 0 6px;
}

.sc-phone {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  margin: 0 16px 8px;
  padding: 10px;
  border: 1px solid rgba(0,153,204,0.3);
  border-radius: 10px;
  background: rgba(0,153,204,0.05);
  font-size: 15px; font-weight: 700;
  color: var(--text-0);
  font-family: var(--mono);
  letter-spacing: 0.5px;
  transition: all 0.25s ease;
}
.sc-phone:hover {
  border-color: var(--cyan);
  background: rgba(0,153,204,0.12);
  color: var(--cyan);
  transform: translateY(-1px);
}
.sc-phone .ph-ic { font-size: 14px; }

.sc-time {
  text-align: center;
  font-size: 12px; color: var(--text-2);
  padding: 0 16px 16px;
}

/* 小屏浮标按钮（默认隐藏） */
.side-fab {
  position: fixed;
  right: 20px;
  bottom: 120px;
  z-index: 900;
  display: none;
  align-items: center; gap: 6px;
  padding: 12px 16px;
  border: none;
  border-radius: 999px;
  background: var(--grad);
  color: #fff;
  font-size: 14px; font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 28px rgba(0, 153, 204, 0.35);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.side-fab:hover { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(0, 153, 204, 0.45); }
.side-fab .fab-ic { font-size: 18px; }

/* 响应式：小屏卡片底部弹出、浮标常驻 */
@media (max-width: 1280px) {
  .side-card { display: none; }
  .side-card.expanded {
    display: block;
    position: fixed;
    right: 16px;
    top: auto;
    bottom: 150px;
    transform: none;
    width: 200px;
  }
  .side-fab { display: inline-flex; }
}

/* ============================================================
   AI 电销数字员工页（内容移植自 ai-employee.html）
   ============================================================ */

/* Hero 仪表盘 KPI */
.ai-kpi-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 18px; }
.ai-kpi {
  text-align: center; padding: 14px 8px; border-radius: 14px;
  background: rgba(0, 153, 204, 0.05); border: 1px solid var(--border-glow);
}
.ai-kpi .num { font-size: 22px; font-weight: 800; color: var(--cyan); font-family: var(--mono); }
.ai-kpi .lbl { font-size: 12px; color: var(--text-2); margin-top: 2px; }

/* 痛点卡片徽标 */
.ai-badge {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 1px;
  color: var(--cyan); background: rgba(0, 153, 204, 0.08);
  border: 1px solid var(--border-glow); border-radius: 999px;
  padding: 4px 12px; margin-bottom: 14px;
}

/* 应用场景标签 */
.ai-tag2 {
  display: inline-block; font-size: 12px; font-weight: 700; color: var(--blue);
  background: rgba(37, 99, 235, 0.08); border-radius: 999px;
  padding: 5px 12px; margin-bottom: 14px;
}

/* 案例成果高亮 */
.ai-result { margin-top: 10px; color: var(--green); font-weight: 700; font-size: 14px; }

/* 闭环：左文右步骤 */
.ai-closeup { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.ai-left { text-align: left !important; margin: 16px 0; }
.ai-lead { color: var(--text-1); font-size: 16px; margin-bottom: 14px; }
.ai-feat-list { display: flex; flex-direction: column; gap: 12px; }
.ai-feat-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: var(--text-1); }
.ai-feat-list svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--cyan); margin-top: 3px; }

.ai-loop { display: flex; flex-direction: column; gap: 14px; }
.ai-step {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--bg-card-solid); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px;
  transition: all .3s ease;
}
.ai-step:hover { border-color: var(--border-glow); transform: translateX(4px); box-shadow: var(--shadow-glow); }
.ai-step .n {
  width: 38px; height: 38px; flex-shrink: 0; border-radius: 12px;
  display: grid; place-items: center; font-weight: 800; color: #fff;
  background: var(--grad); font-family: var(--mono);
}
.ai-step h4 { font-size: 16px; font-weight: 700; color: var(--text-0); margin-bottom: 4px; }
.ai-step p { font-size: 13.5px; color: var(--text-1); }

/* 闭环 CTA 按钮区 */
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }

/* 返回首页描边按钮 */
.btn-line {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: 12px; font-size: 15px; font-weight: 600;
  border: 1px solid var(--border); color: var(--text-1); background: transparent;
  transition: all .3s ease; white-space: nowrap;
}
.btn-line:hover { border-color: var(--border-glow); color: var(--cyan); background: rgba(0, 153, 204, 0.05); }

/* A/B/C 待跟标签 */
.panel-tag.new { background: rgba(37, 99, 235, 0.10); color: var(--blue); border: 1px solid rgba(37, 99, 235, 0.25); }

/* 移动端适配 */
@media (max-width: 768px) {
  .ai-kpi-row { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .ai-kpi .num { font-size: 18px; }
  .ai-closeup { grid-template-columns: 1fr; gap: 28px; }
}

/* ============================================================
   三种外呼形态（核心板块）
   ============================================================ */
.modes-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; align-items:stretch; }
.mode-card {
  position:relative; display:flex; flex-direction:column;
  background:var(--bg-card-solid); border:1px solid var(--border);
  border-radius:var(--radius); padding:30px 26px;
  transition:all .3s ease;
}
.mode-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-glow); border-color:var(--border-glow); }
.mode-card.featured {
  border:2px solid transparent;
  background:
    linear-gradient(var(--bg-card-solid),var(--bg-card-solid)) padding-box,
    var(--grad) border-box;
  box-shadow:0 14px 44px rgba(0,153,204,.18);
}
.mode-ribbon {
  position:absolute; top:-13px; left:50%; transform:translateX(-50%);
  background:var(--grad); color:#fff; font-size:13px; font-weight:800;
  padding:5px 18px; border-radius:999px; white-space:nowrap;
  box-shadow:0 6px 18px rgba(0,153,204,.35);
}
.mode-top { display:flex; align-items:center; justify-content:space-between; margin-bottom:14px; }
.mode-no { font-family:var(--mono); font-size:13px; color:var(--text-2); letter-spacing:1px; }
.mode-pill { font-size:12px; font-weight:700; padding:4px 11px; border-radius:999px; }
.pill-basic { color:var(--text-1); background:rgba(100,116,139,.12); }
.pill-agent { color:#fff; background:var(--grad); }
.pill-merge { color:var(--purple); background:rgba(139,92,246,.12); }
.mode-title { font-size:20px; font-weight:800; color:var(--text-0); margin-bottom:10px; }
.mode-desc { font-size:14px; color:var(--text-1); line-height:1.7; margin-bottom:16px; flex:1; }
.mode-feat { list-style:none; display:flex; flex-direction:column; gap:10px; margin-bottom:18px; }
.mode-feat li { font-size:13.5px; color:var(--text-1); display:flex; gap:10px; align-items:baseline; line-height:1.5; }
.mode-feat .k {
  flex-shrink:0; font-size:11px; font-weight:700; color:var(--cyan);
  background:rgba(0,153,204,.08); border-radius:6px; padding:2px 7px; min-width:42px; text-align:center;
}
.mode-foot {
  font-size:13px; font-weight:700; color:var(--green);
  border-top:1px dashed var(--border); padding-top:12px;
}

/* 移动端适配 */
@media (max-width: 980px) {
  .modes-grid { grid-template-columns:1fr; gap:20px; }
  .mode-card.featured { border-width:2px; }
}

/* ============================================================
   传统电销四道坎（2x2 编号卡片）
   ============================================================ */
.pain-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.pain-item {
  display:flex; gap:18px; align-items:flex-start;
  background:var(--bg-card-solid); border:1px solid var(--border);
  border-radius:var(--radius); padding:24px 26px;
  transition:all .3s ease;
}
.pain-item:hover { border-color:var(--border-glow); box-shadow:var(--shadow-glow); transform:translateY(-3px); }
.pain-no {
  flex-shrink:0; width:50px; height:50px; border-radius:14px;
  display:grid; place-items:center; font-family:var(--mono); font-weight:800; font-size:19px;
  color:#fff; background:var(--grad); box-shadow:0 6px 16px rgba(0,153,204,.25);
}
.pain-kw {
  display:inline-block; font-size:12px; font-weight:700; color:var(--cyan);
  background:rgba(0,153,204,.08); border-radius:6px; padding:2px 9px; margin-bottom:8px;
}
.pain-body h3 { font-size:17px; font-weight:800; color:var(--text-0); margin-bottom:8px; }
.pain-body p { font-size:14px; color:var(--text-1); line-height:1.7; }
@media (max-width: 768px) {
  .pain-grid { grid-template-columns:1fr; }
}

/* ============================================================
   自研全栈 AI 能力（2x2 图标卡片）
   ============================================================ */
.tech-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.tech-item {
  display:flex; gap:18px; align-items:flex-start;
  background:var(--bg-card-solid); border:1px solid var(--border);
  border-radius:var(--radius); padding:24px 26px;
  transition:all .3s ease;
}
.tech-item:hover { border-color:var(--border-glow); box-shadow:var(--shadow-glow); transform:translateY(-3px); }
.tech-ico {
  flex-shrink:0; width:52px; height:52px; border-radius:14px;
  display:grid; place-items:center; font-size:26px;
  background:var(--grad-soft); border:1px solid var(--border-glow);
}
.tech-body h3 { font-size:17px; font-weight:800; color:var(--text-0); margin-bottom:8px; }
.tech-body p { font-size:14px; color:var(--text-1); line-height:1.7; }
@media (max-width: 768px) {
  .tech-grid { grid-template-columns:1fr; }
}