/* ==========================================================================
   pages.css — 三三九九科技官网 内容页共享设计系统
   依赖 style.css 提供的 content-wrapper / btn-primary / gradient-text-purple。
   命名前缀 pg-，与既有组件类隔离；仅手写 CSS，不依赖新的 Tailwind 工具类。
   ========================================================================== */

/* ---------- 页面 Hero(双层网格 + 斜向光带 + 噪点颗粒 + 几何圆环) ---------- */
.pg-hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 64px;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.045'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E") repeat,
    linear-gradient(135deg, #dbe3fe 0%, #edf1ff 45%, #f5f5f7 100%);
}
/* 层1:双密度网格(88px 主网格 + 22px 细网格),顶部向下渐隐 */
.pg-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(43, 88, 249, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 88, 249, 0.055) 1px, transparent 1px),
    linear-gradient(rgba(43, 88, 249, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 88, 249, 0.03) 1px, transparent 1px);
  background-size:
    88px 88px, 88px 88px,
    22px 22px, 22px 22px;
  mask-image: radial-gradient(ellipse 90% 85% at 50% 0%, #000 18%, transparent 76%);
  -webkit-mask-image: radial-gradient(ellipse 90% 85% at 50% 0%, #000 18%, transparent 76%);
  pointer-events: none;
}
/* 层2:斜向柔光带,横贯页头 */
.pg-hero::after {
  content: "";
  position: absolute;
  top: -45%;
  left: -15%;
  right: -15%;
  height: 95%;
  background: linear-gradient(115deg,
    transparent 28%,
    rgba(255, 255, 255, 0.55) 45%,
    rgba(214, 224, 255, 0.4) 55%,
    transparent 72%);
  transform: rotate(-5deg);
  filter: blur(36px);
  pointer-events: none;
}
.pg-hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(72px);
  opacity: 0.32;
  pointer-events: none;
}
.pg-hero__glow--1 {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, #7b68ee 0%, #4a3aff 60%, transparent 100%);
  top: -120px;
  right: -60px;
}
.pg-hero__inner {
  position: relative;
  z-index: 3;
  max-width: 860px;
}
/* 首屏 3D 视觉容器(右侧,不遮挡文案) */
.pg-hero-3d {
  position: absolute;
  top: 0;
  right: max(24px, calc((100vw - 1280px) / 2));
  width: min(50%, 640px);
  height: 100%;
  z-index: 2;
  pointer-events: none;
}
.pg-hero__visual {
  position: absolute;
  top: 50%;
  right: max(24px, calc((100vw - 1280px) / 2));
  z-index: 1;
  width: min(47%, 620px);
  transform: translateY(-50%);
  pointer-events: none;
}
.pg-hero__diagram { display: none; width: 100%; height: auto; max-height: 220px; overflow: visible; color: #1a2f52; }
.pg-hero__diagram path { fill: none; stroke: rgba(43, 88, 249, 0.3); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.pg-hero__diagram rect { fill: rgba(255, 255, 255, 0.76); stroke: rgba(43, 88, 249, 0.26); stroke-width: 1.5; }
.pg-hero__diagram .pg-hero__focus { fill: rgba(43, 88, 249, 0.12); stroke: rgba(43, 88, 249, 0.62); stroke-width: 2; }
.pg-hero__diagram .pg-hero__filter { fill: rgba(255, 255, 255, 0.82); stroke: rgba(123, 104, 238, 0.52); stroke-dasharray: 5 5; }
.pg-hero__diagram text { fill: #43536e; font: 600 14px/1.2 "Microsoft YaHei", "PingFang SC", sans-serif; text-anchor: middle; dominant-baseline: middle; }
.pg-hero__diagram .pg-hero__focus-label { fill: #2b58f9; }
.pg-hero__diagram .pg-hero__detail { stroke: rgba(43, 88, 249, 0.42); stroke-width: 3; }
.pg-hero__diagram .pg-hero__wave { stroke: #00a99f; stroke-width: 3; }
.pg-hero__diagram .pg-hero__planned { stroke: rgba(107, 114, 128, 0.55); stroke-dasharray: 5 6; }
.pg-hero__diagram .pg-hero__planned-label { fill: #727b8b; font-size: 12px; }
.pg-hero--network .pg-hero__diagram--network,
.pg-hero--converge .pg-hero__diagram--converge,
.pg-hero--wave .pg-hero__diagram--wave,
.pg-hero--stream .pg-hero__diagram--stream,
.pg-hero--orbit .pg-hero__diagram--orbit { display: block; }
.pg-hero-3d canvas {
  display: block;
  width: 100%;
  height: 100%;
}
/* hero 插画模式:四项产品/服务页用 -hero-light.svg 替代 WebGL 场景 */
.pg-hero-3d--art .pg-hero-3d__art {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  width: 72%;
  height: 100%;
  object-fit: contain;
  object-position: right center;
}
@media (min-width: 1024px) {
  .pg-hero-3d--art ~ .pg-hero__visual {
    display: none;
  }
}
/* WebGL 启动后显示实时场景,否则使用同主题静态示意图 */
@media (min-width: 1024px) {
  .pg-hero--network .pg-hero__inner,
  .pg-hero--converge .pg-hero__inner,
  .pg-hero--wave .pg-hero__inner,
  .pg-hero--stream .pg-hero__inner,
  .pg-hero--orbit .pg-hero__inner { max-width: 48%; }
  .pg-hero--wave .pg-hero__inner { max-width: 48%; }
  .pg-hero.has-3d .pg-hero__lede {
    max-width: none;
  }
  .pg-hero.has-3d .pg-hero__visual { display: none; }
  .pg-hero.has-3d.pg-hero--wave .pg-hero__inner { max-width: 48%; }
}
@media (max-width: 1023px) {
  .pg-hero-3d {
    display: none;
  }
  .pg-hero__visual { top: auto; right: 14px; bottom: 12px; width: min(76%, 350px); transform: none; opacity: 0.72; }
  .pg-hero { padding-bottom: 260px; }
  .pg-hero__inner { max-width: 100%; }
}
/* 信任条 */
.pg-hero__trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 0;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  font-size: 13px;
  color: #6b7280;
}
.pg-hero__trust li {
  display: inline-flex;
  align-items: center;
}
.pg-hero__trust li + li::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(43, 88, 249, 0.4);
  margin: 0 12px;
}
.pg-hero__trust a {
  color: #2b58f9;
  font-weight: 600;
}
.pg-hero__trust a:hover {
  text-decoration: underline;
}
.pg-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(43, 88, 249, 0.18);
  color: #2b58f9;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 10px rgba(43, 88, 249, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.8);
}
.pg-hero__eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2b58f9;
  box-shadow: 0 0 0 4px rgba(43, 88, 249, 0.15);
}
.pg-hero__title {
  font-size: 34px;
  line-height: 1.25;
  font-weight: 700;
  color: #1a1a2e;
  margin: 0 0 16px;
  text-wrap: balance; /* 中文标题均衡断行,避免末行孤字 */
}
.pg-hero__lede {
  font-size: 16px;
  line-height: 1.8;
  color: #4b5563;
  margin: 0 0 28px;
  max-width: 720px;
}
.pg-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
@media (min-width: 768px) {
  .pg-hero {
    padding: 88px 0 76px;
  }
  .pg-hero__title {
    font-size: 44px;
  }
  .pg-hero__lede {
    font-size: 17px;
  }
}
@media (prefers-reduced-motion: no-preference) {
  .pg-hero__glow--1 { animation: pg-blob-drift 14s ease-in-out infinite alternate; }
}
@keyframes pg-blob-drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(36px, 28px, 0) scale(1.08); }
}

/* ---------- 面包屑 ---------- */
.pg-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 18px;
}
.pg-breadcrumb a {
  color: #2b58f9;
  transition: color 0.2s;
}
.pg-breadcrumb a:hover {
  color: #1a3fd0;
  text-decoration: underline;
}
.pg-breadcrumb [aria-current] {
  color: #6b7280;
}

/* ---------- 按钮 ---------- */
.pg-btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  /* 与 btn-primary(.75rem 1.5rem, 16px/24px, weight 500)等高:1px 边框下垂直内边距 11px */
  padding: 11px 24px;
  border-radius: 999px;
  border: 1px solid rgba(43, 88, 249, 0.45);
  background: rgba(255, 255, 255, 0.75);
  color: #2b58f9;
  font-size: 16px;
  font-weight: 500;
  line-height: 24px;
  cursor: pointer;
  transition: all 0.25s;
  text-decoration: none;
}
.pg-btn-ghost:hover {
  background: #2b58f9;
  border-color: #2b58f9;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(43, 88, 249, 0.3);
}
.pg-btn-ghost:active {
  transform: translateY(0) scale(0.98);
}

/* ---------- 区块(自动编号 01/02/03,建立页面节奏) ---------- */
main {
  counter-reset: pg-sec;
}
.pg-section {
  counter-increment: pg-sec;
  padding: 64px 0;
}
.pg-section--white {
  background: #ffffff;
  border-top: 1px solid rgba(43, 88, 249, 0.06);
  border-bottom: 1px solid rgba(43, 88, 249, 0.06);
}
.pg-section--tint {
  background: linear-gradient(180deg, rgba(213, 222, 254, 0.35) 0%, rgba(245, 245, 247, 0) 100%);
}
.pg-head {
  max-width: 720px;
  margin-bottom: 40px;
}
.pg-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.pg-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #2b58f9;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin-bottom: 10px;
}
.pg-eyebrow::before {
  content: counter(pg-sec, decimal-leading-zero);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 27px;
  height: 21px;
  padding: 0 5px;
  border: 1px solid rgba(43, 88, 249, 0.35);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.65);
  font-family: "DIN Alternate", "Inter", sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1;
}
.pg-title {
  font-size: 26px;
  line-height: 1.35;
  font-weight: 700;
  color: #1a1a2e;
  margin: 0 0 12px;
}
.pg-lede {
  font-size: 15.5px;
  line-height: 1.85;
  color: #4b5563;
  margin: 0;
}
@media (min-width: 768px) {
  .pg-section { padding: 84px 0; }
  .pg-title { font-size: 32px; }
  .pg-lede { font-size: 16.5px; }
}

/* ---------- 卡片网格 ---------- */
.pg-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.pg-grid--2 { grid-template-columns: repeat(2, 1fr); }
.pg-grid--3 { grid-template-columns: repeat(3, 1fr); }
.pg-grid--4 { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 768px) {
  .pg-grid { gap: 24px; }
  .pg-grid--4 { grid-template-columns: repeat(4, 1fr); }
}
.pg-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px;
  background:
    radial-gradient(circle at 100% 0%, rgba(43, 88, 249, 0.05), transparent 46%),
    linear-gradient(180deg, #ffffff 0%, #fdfdff 100%);
  border: 1px solid rgba(43, 88, 249, 0.1);
  border-radius: 18px;
  box-shadow: 0 4px 18px rgba(26, 26, 46, 0.04), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

/* 产品介绍卡片：白色信息层级 + 右下角低对比度的抽象科技结构 */
.product-intro-card {
  isolation: isolate;
  overflow: hidden;
  min-height: 268px;
  padding: 28px 30px;
  background: #fff;
  border-color: rgba(43, 88, 249, 0.08);
  box-shadow: 0 5px 22px rgba(32, 48, 84, 0.045), inset 0 1px 0 #fff;
}
.pg-card.product-intro-card::before {
  inset: auto -12px -18px auto;
  width: 220px;
  height: 150px;
  border-radius: 0;
  background:
    linear-gradient(148deg, transparent 0 35%, rgba(102, 125, 228, .08) 36% 37%, transparent 38%),
    linear-gradient(148deg, transparent 0 53%, rgba(102, 125, 228, .07) 54% 55%, transparent 56%),
    radial-gradient(ellipse at 82% 78%, rgba(129, 145, 228, .13), transparent 62%);
  -webkit-mask-image: none;
  mask-image: none;
  opacity: 1;
  z-index: -1;
}
.product-intro-card::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: 22px;
  bottom: 18px;
  width: 116px;
  height: 66px;
  pointer-events: none;
  opacity: .43;
  background:
    linear-gradient(150deg, rgba(255,255,255,.95), rgba(222,230,255,.72)) padding-box,
    linear-gradient(150deg, rgba(93,120,219,.25), rgba(255,255,255,.72)) border-box;
  border: 1px solid transparent;
  clip-path: polygon(16% 0, 100% 0, 84% 76%, 0 76%);
  box-shadow: 0 8px 18px rgba(85, 106, 187, .1);
  transform: skewY(-10deg);
}
.product-intro-card > * {
  position: relative;
  z-index: 1;
}
.product-intro-card .pg-card__title {
  font-size: 19px;
  letter-spacing: -.02em;
}
.product-intro-card .pg-card__text {
  max-width: 92%;
  color: #697386;
}
.product-intro-card .pg-card__links {
  padding-top: 8px;
}
/* 产品图标：与首页产品卡同一组 3D 动态图标，放大作为卡片视觉锚点 */
.product-intro-card .product-intro-card__art {
  width: 88px;
  height: 88px;
  border-radius: 20px;
  filter: drop-shadow(0 12px 22px rgba(37, 64, 143, 0.14));
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.product-intro-card:hover .product-intro-card__art {
  transform: translateY(-5px) rotate(-3deg);
}
@media (max-width: 767px) {
  /* 产品页图标卡在手机端改单列，避免 164px 窄卡塞图标与长文案 */
  .pg-grid--products {
    grid-template-columns: 1fr;
  }
  .product-intro-card .product-intro-card__art {
    width: 72px;
    height: 72px;
    border-radius: 16px;
  }
}
.product-intro-card:hover {
  transform: translateY(-3px);
  border-color: rgba(43, 88, 249, .16);
  box-shadow: 0 12px 30px rgba(43, 88, 249, .08);
}

/* 简约质感:右上角点阵纹理,向外淡出 */
.pg-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background-image: radial-gradient(rgba(43, 88, 249, 0.16) 1px, transparent 1.3px);
  background-size: 14px 14px;
  -webkit-mask-image: radial-gradient(230px 150px at 100% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(230px 150px at 100% 0%, #000 0%, transparent 72%);
  opacity: 0.55;
}
a.pg-card {
  text-decoration: none;
  color: inherit;
}
a.pg-card:hover,
.pg-card--lift:hover {
  transform: translateY(-4px);
  border-color: rgba(43, 88, 249, 0.3);
  box-shadow: 0 14px 34px rgba(43, 88, 249, 0.12);
}
.pg-card__tag {
  display: inline-flex;
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(43, 88, 249, 0.08);
  color: #2b58f9;
  font-size: 12px;
  font-weight: 600;
}
.pg-card__title {
  font-size: 18px;
  font-weight: 700;
  color: #1a1a2e;
  margin: 0;
}
.pg-card__text {
  font-size: 14.5px;
  line-height: 1.8;
  color: #4b5563;
  margin: 0;
  flex: 1;
}
.pg-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding-top: 6px;
}
.pg-card__links a {
  color: #2b58f9;
  font-size: 14px;
  font-weight: 600;
}
.pg-card__links a:hover {
  color: #1a3fd0;
  text-decoration: underline;
}
.pg-card__links a::after {
  content: "";
  display: inline-block;
  width: 13px;
  height: 13px;
  margin-left: 3px;
  vertical-align: -1px;
  background-color: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14'/%3E%3Cpath d='m13 6 6 6-6 6'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14'/%3E%3Cpath d='m13 6 6 6-6 6'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* 图标徽章:统一"信号环"线描风格(青色节点为品牌记忆点) */
.pg-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1.5px solid rgba(43, 88, 249, 0.26);
  background: radial-gradient(circle at 32% 28%, rgba(43, 88, 249, 0.08), rgba(43, 88, 249, 0.015) 72%);
  color: #1a3fd0;
  flex-shrink: 0;
  transition: transform 0.28s cubic-bezier(0.34, 1.4, 0.5, 1), border-color 0.28s, box-shadow 0.28s;
}
.pg-icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.8;
}
.pg-icon::after {
  content: "";
  position: absolute;
  top: 7px;
  right: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #00c8bd;
  box-shadow: 0 0 0 3px rgba(0, 200, 189, 0.16);
}
.pg-icon--solid {
  background: linear-gradient(150deg, #1a2f52, #101a2b);
  border-color: rgba(16, 26, 43, 0.2);
  color: #fff;
  box-shadow: 0 10px 22px rgba(16, 26, 43, 0.24);
}
.pg-card:hover .pg-icon,
.pg-card--lift:hover .pg-icon {
  transform: scale(1.06) rotate(-4deg);
  border-color: rgba(43, 88, 249, 0.55);
  box-shadow: 0 8px 20px rgba(43, 88, 249, 0.14);
}

/* ---------- 步骤条 ---------- */
.pg-steps {
  display: grid;
  gap: 0;
  counter-reset: pg-step;
}
.pg-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  padding-bottom: 34px;
}
.pg-step:last-child {
  padding-bottom: 0;
}
.pg-step::before {
  counter-increment: pg-step;
  content: counter(pg-step, decimal-leading-zero);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(150deg, #1a2f52, #101a2b);
  color: #ffffff;
  font-family: "DIN Alternate", "Inter", sans-serif;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 0 0 4px rgba(43, 88, 249, 0.12), 0 8px 18px rgba(16, 26, 43, 0.22);
}
.pg-step::after {
  content: "";
  position: absolute;
  left: 21px;
  top: 48px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, rgba(43, 88, 249, 0.35), rgba(43, 88, 249, 0.06));
}
.pg-step:last-child::after {
  display: none;
}
/* 垂直步骤:内容统一落在右列,避免 auto-placement 把正文挤进 44px 编号列 */
.pg-steps:not(.pg-steps--row) .pg-step > * {
  grid-column: 2;
  min-width: 0;
}
.pg-steps:not(.pg-steps--row) .pg-step__text,
.pg-steps:not(.pg-steps--row) .pg-card__links {
  max-width: 780px;
}
.pg-step__title {
  font-size: 17px;
  font-weight: 700;
  color: #1a1a2e;
  margin: 10px 0 8px;
}
.pg-step__text {
  font-size: 14.5px;
  line-height: 1.8;
  color: #4b5563;
  margin: 0;
}
/* 手机端 --row 退化为纵向：编号与标题同行，正文落在右列，
   避免 auto-placement 把正文挤进 44px 编号列导致每行只有两三个字 */
@media (max-width: 767px) {
  .pg-steps--row .pg-step {
    gap: 6px 14px;
    padding-bottom: 26px;
  }
  .pg-steps--row .pg-step .pg-step__title {
    grid-column: 2;
    align-self: center;
    margin: 0;
  }
  .pg-steps--row .pg-step .pg-step__text {
    grid-column: 2;
    min-width: 0;
    line-height: 1.7;
  }
}
@media (min-width: 768px) {
  .pg-steps--row {
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
  }
  .pg-steps--row .pg-step {
    grid-template-columns: 1fr;
    gap: 14px;
    padding-bottom: 0;
  }
  .pg-steps--row .pg-step::after {
    left: 48px;
    top: 21px;
    bottom: auto;
    right: -22px;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, rgba(43, 88, 249, 0.35), rgba(43, 88, 249, 0.06));
  }
  .pg-steps--row .pg-step:last-child::after {
    display: none;
  }
  .pg-steps--row .pg-step__title {
    margin-top: 0;
  }
}

/* ---------- 勾选清单 ---------- */
.pg-check-list {
  display: grid;
  gap: 14px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.pg-check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.75;
  color: #374151;
}
.pg-check-list li::before {
  content: "";
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border-radius: 50%;
  background-color: rgba(43, 88, 249, 0.1);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232b58f9' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 13 4 4L19 7'/%3E%3C/svg%3E");
  background-size: 13px;
  background-position: center;
  background-repeat: no-repeat;
}
@media (min-width: 768px) {
  .pg-check-list--2 {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 28px;
  }
}

/* ---------- 提示框 ---------- */
.pg-note {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  border-radius: 14px;
  background: rgba(43, 88, 249, 0.06);
  border: 1px solid rgba(43, 88, 249, 0.14);
  font-size: 14.5px;
  line-height: 1.8;
  color: #374151;
}
.pg-note svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: #2b58f9;
  margin-top: 3px;
}
.pg-note strong {
  color: #1a1a2e;
}

/* ---------- FAQ 手风琴(原生 details) ---------- */
.pg-faq {
  display: grid;
  gap: 14px;
}
.pg-faq details {
  background: #ffffff;
  border: 1px solid rgba(43, 88, 249, 0.1);
  border-radius: 14px;
  box-shadow: 0 3px 14px rgba(26, 26, 46, 0.03);
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.pg-faq details[open] {
  border-color: rgba(43, 88, 249, 0.32);
  box-shadow: 0 10px 28px rgba(43, 88, 249, 0.1);
}
.pg-faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 600;
  color: #1a1a2e;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.pg-faq summary::-webkit-details-marker {
  display: none;
}
.pg-faq summary:hover {
  color: #2b58f9;
}
.pg-faq details[open] {
  background: linear-gradient(90deg, rgba(43, 88, 249, 0.05), rgba(43, 88, 249, 0) 45%), #ffffff;
  border-left: 3px solid #2b58f9;
}
.pg-faq summary::after {
  content: "";
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: rgba(43, 88, 249, 0.08);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232b58f9' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-size: 14px;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform 0.28s;
}
.pg-faq details[open] summary::after {
  transform: rotate(45deg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2.6' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-color: #2b58f9;
}
.pg-faq__answer {
  padding: 0 22px 20px;
  font-size: 15px;
  line-height: 1.85;
  color: #4b5563;
  max-width: 820px;
}

/* ---------- 相关内容 ---------- */
.pg-related {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
@media (min-width: 768px) {
  .pg-related {
    grid-template-columns: repeat(3, 1fr);
  }
}
.pg-related a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  background: #ffffff;
  border: 1px solid rgba(43, 88, 249, 0.1);
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  color: #1a1a2e;
  text-decoration: none;
  transition: all 0.22s;
}
.pg-related a:hover {
  border-color: #2b58f9;
  background: #2b58f9;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(43, 88, 249, 0.28);
}
.pg-related a::after {
  content: "";
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  background-color: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14'/%3E%3Cpath d='m13 6 6 6-6 6'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14'/%3E%3Cpath d='m13 6 6 6-6 6'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform 0.22s;
}
.pg-related a:hover::after {
  transform: translateX(3px);
}

/* ---------- 双栏图文 ---------- */
.pg-duo {
  display: grid;
  gap: 32px;
  align-items: center;
}
@media (min-width: 768px) {
  .pg-duo {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }
  .pg-duo--flip .pg-duo__media {
    order: -1;
  }
}
.pg-duo__text .pg-title {
  margin-bottom: 16px;
}
.pg-duo__text p {
  font-size: 15px;
  line-height: 1.85;
  color: #4b5563;
  margin: 0 0 12px;
}
.pg-duo__media {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(43, 88, 249, 0.1);
  box-shadow: 0 16px 40px rgba(26, 26, 46, 0.08);
}

/* ---------- 首页:三条路径 ---------- */
.pg-paths {
  display: grid;
  gap: 20px;
}
@media (min-width: 768px) {
  .pg-paths {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}
.pg-path {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 30px 26px;
  border-radius: 20px;
  background:
    radial-gradient(circle at 0% 0%, rgba(43, 88, 249, 0.05), transparent 46%),
    linear-gradient(180deg, #ffffff 0%, #fdfdff 100%);
  border: 1px solid rgba(43, 88, 249, 0.1);
  box-shadow: 0 4px 18px rgba(26, 26, 46, 0.04), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}

.pg-path::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(43, 88, 249, 0.14) 1px, transparent 1.3px);
  background-size: 14px 14px;
  -webkit-mask-image: radial-gradient(230px 150px at 0% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(230px 150px at 0% 0%, #000 0%, transparent 72%);
  opacity: 0.5;
}
.pg-path:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(43, 88, 249, 0.12);
}
.pg-path::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #2b58f9, rgba(0, 200, 189, 0.8));
}
.pg-path__step {
  font-family: "DIN Alternate", "Inter", sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: #2b58f9;
}
.pg-path__title {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a2e;
  margin: 0;
}
.pg-path__text {
  font-size: 14.5px;
  line-height: 1.8;
  color: #4b5563;
  margin: 0;
  flex: 1;
}
.pg-path__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pg-path__links a {
  display: inline-flex;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(43, 88, 249, 0.07);
  color: #2b58f9;
  font-size: 13.5px;
  font-weight: 600;
  transition: all 0.2s;
}
.pg-path__links a:hover {
  background: #2b58f9;
  color: #fff;
}

/* ---------- 咨询表单(转化区:品牌色带 + 信号环纹样) ---------- */
.pg-form {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding: 34px 28px;
  background: #ffffff;
  border: 1px solid rgba(43, 88, 249, 0.12);
  border-radius: 20px;
  box-shadow: 0 14px 40px rgba(26, 26, 46, 0.07);
  overflow: hidden;
}
.pg-form::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #101a2b 0%, #2b58f9 55%, #00c8bd 100%);
}
.pg-form::after {
  content: "";
  position: absolute;
  top: -70px;
  right: -70px;
  width: 200px;
  height: 200px;
  border: 1.5px solid rgba(43, 88, 249, 0.1);
  border-radius: 50%;
  pointer-events: none;
}
@media (min-width: 768px) {
  .pg-form {
    padding: 42px 44px;
  }
}
.pg-form__grid {
  display: grid;
  gap: 20px;
}
@media (min-width: 768px) {
  .pg-form__grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}
.pg-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pg-field__label {
  font-size: 14px;
  font-weight: 600;
  color: #1a1a2e;
}
.pg-field__label small {
  color: #9ca3af;
  font-weight: 400;
}
.pg-field__control {
  width: 100%;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1.5px solid #e5e7eb;
  background: #fafafa;
  font-size: 15px;
  color: #1a1a2e;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  font-family: inherit;
}
.pg-field__control::placeholder {
  color: #9ca3af;
}
.pg-field__control:focus {
  outline: none;
  border-color: #2b58f9;
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(43, 88, 249, 0.12);
}
select.pg-field__control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 42px;
}
.pg-field--error .pg-field__control {
  border-color: #f87171;
  background: #fef2f2;
}
.pg-field__error {
  font-size: 13px;
  color: #dc2626;
}
.pg-consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13.5px;
  line-height: 1.7;
  color: #6b7280;
}
.pg-consent input {
  flex-shrink: 0;
  width: 17px;
  height: 17px;
  margin-top: 3px;
  accent-color: #2b58f9;
}
.pg-consent a {
  color: #2b58f9;
}
.pg-consent a:hover {
  text-decoration: underline;
}
.pg-form__submit {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, filter 0.2s;
}
.pg-form__submit:hover:not(:disabled) {
  filter: brightness(1.06);
  box-shadow: 0 12px 28px rgba(43, 88, 249, 0.32);
}
.pg-form__submit:active:not(:disabled) {
  transform: translateY(1px) scale(0.99);
}
.pg-form__submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}
.pg-form__status {
  padding: 13px 16px;
  border-radius: 12px;
  font-size: 14.5px;
  line-height: 1.6;
}
.pg-form__status--success {
  background: rgba(16, 185, 129, 0.09);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #047857;
}
.pg-form__status--error {
  background: rgba(239, 68, 68, 0.07);
  border: 1px solid rgba(239, 68, 68, 0.28);
  color: #b91c1c;
}
.pg-form__hint {
  margin: 14px 0 0;
  text-align: center;
  font-size: 12.5px;
  color: #9ca3af;
}

/* ---------- 联系方式键值 ---------- */
.pg-kv {
  display: grid;
  gap: 2px;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(43, 88, 249, 0.1);
}
.pg-kv__row {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 16px;
  padding: 16px 22px;
  background: #ffffff;
  font-size: 15px;
}
.pg-kv__row:nth-child(even) {
  background: #fafbff;
}
.pg-kv__key {
  color: #6b7280;
  flex-shrink: 0;
}
.pg-kv__val {
  color: #1a1a2e;
  font-weight: 600;
}
.pg-kv__val a {
  color: #2b58f9;
}
.pg-kv__val a:hover {
  text-decoration: underline;
}

/* ---------- 数字统计条(关于页等) ---------- */
.pg-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
@media (min-width: 768px) {
  .pg-metrics {
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
  }
}
.pg-metric {
  padding: 26px 20px;
  text-align: center;
  background: #ffffff;
  border: 1px solid rgba(43, 88, 249, 0.1);
  border-radius: 16px;
}
.pg-metric__value {
  font-family: "DIN Alternate", "Inter", sans-serif;
  font-size: 30px;
  font-weight: 700;
  color: #2b58f9;
  line-height: 1.1;
  margin-bottom: 6px;
}
.pg-metric__label {
  font-size: 13.5px;
  color: #6b7280;
}

/* ---------- 场景卡片(带场景编号) ---------- */
.pg-scene {
  counter-increment: pg-scene;
}
.pg-scene .pg-card__title::before {
  content: counter(pg-scene, decimal-leading-zero);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 30px;
  margin-right: 10px;
  padding: 0 6px;
  border-radius: 9px;
  background: rgba(43, 88, 249, 0.09);
  color: #2b58f9;
  font-family: "DIN Alternate", "Inter", sans-serif;
  font-size: 14px;
  font-weight: 600;
  vertical-align: -6px;
}

/* ---------- 平台能力(AI运营总监小红书) ---------- */
.pg-platform {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
}
.pg-platform__logo {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  flex-shrink: 0;
}
.pg-platform--active {
  background: rgba(255, 36, 66, 0.07);
  border-color: rgba(255, 36, 66, 0.3);
  color: #e0203f;
}
.pg-platform--soon {
  background: rgba(107, 114, 128, 0.07);
  border-color: rgba(107, 114, 128, 0.24);
  color: #6b7280;
}
.pg-platform--soon .pg-platform__logo {
  opacity: 0.55;
  filter: grayscale(0.3);
}
.pg-platform--soon::after {
  content: "规划中";
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(107, 114, 128, 0.12);
}

/* ---------- 移动端 ---------- */
@media (max-width: 767px) {
  .pg-hero {
    padding: 52px 0 48px;
  }
  .pg-hero__title {
    font-size: 28px;
    line-height: 1.32;
    text-wrap: pretty;
  }
  .pg-hero--wave .pg-hero__title { max-width: 100%; }
  .pg-hero__lede {
    font-size: 15px;
  }
  .pg-hero { padding-bottom: 200px; }
  .pg-hero__diagram { max-height: 180px; }
  .pg-hero__visual { right: 6px; bottom: 8px; width: min(84%, 340px); opacity: 0.62; }
  .pg-section {
    padding: 52px 0;
  }
  .pg-card {
    padding: 22px 20px;
  }
  .pg-faq summary {
    padding: 16px 18px;
    font-size: 15px;
  }
  .pg-form {
    padding: 26px 20px;
  }
  .pg-kv__row {
    grid-template-columns: 104px 1fr;
    padding: 14px 16px;
    font-size: 14px;
  }
}

/* ── 产品卡品牌插画(首页四产品,3D 动态 SVG) ── */
.pg-card__art {
  width: 76px;
  height: 76px;
  flex-shrink: 0;
  transition: transform 0.3s cubic-bezier(0.34, 1.4, 0.5, 1);
}
a.pg-card:hover .pg-card__art {
  transform: scale(1.07) rotate(-2deg);
}

/* 居中版产品卡(首页四产品) */
.pg-card--centered {
  align-items: center;
  text-align: center;
}
.pg-card--centered .pg-card__links {
  justify-content: center;
}

/* ── 联系页：联系方式与位置地图双栏 ── */
.pg-contact {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 7fr);
  gap: 36px;
  align-items: start;
}
.pg-contact__map {
  position: relative;
  display: block;
  border-radius: 16px;
  border: 1px solid rgba(43, 88, 249, 0.1);
  box-shadow: 0 14px 34px rgba(16, 26, 43, 0.08);
  overflow: hidden;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.pg-contact__map:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 44px rgba(16, 26, 43, 0.14);
}
.pg-contact__map img {
  display: block;
  width: 100%;
  height: auto;
}
.pg-contact__map-hint {
  position: absolute;
  left: 14px;
  bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(16, 26, 43, 0.88);
  color: #ffffff;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  backdrop-filter: blur(6px);
  transition: background 0.25s ease;
}
.pg-contact__map-hint svg {
  width: 14px;
  height: 14px;
}
.pg-contact__map:hover .pg-contact__map-hint {
  background: #2b58f9;
}
@media (max-width: 767px) {
  .pg-contact {
    grid-template-columns: 1fr;
    gap: 22px;
  }
}

/* ── START HERE 卡片跳转按钮(圆形箭头) ── */
.pg-start-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(43, 88, 249, 0.08);
  color: #2b58f9;
  transition: background 0.22s, color 0.22s, transform 0.22s;
}
.pg-start-btn svg {
  width: 15px;
  height: 15px;
}
a.pg-card--start:hover .pg-start-btn {
  background: #2b58f9;
  color: #ffffff;
  transform: translateX(3px);
}
.pg-card--start .pg-card__text {
  font-weight: 600;
  color: #2b58f9;
  font-size: 14px;
}