/* ============================================================
   重庆汇宸铖朗智能科技有限公司 — 官网 UI 原型
   设计语言：数字人光球 / 电紫渐变 / 深空紫黑 + 淡紫白
   ============================================================ */

/* ---------- 令牌 ---------- */
:root {
  /* 品牌色 */
  --violet: #7C5CFF;
  --violet-deep: #5A3DF0;
  --blue: #5B8CFF;
  --magenta: #C86BFF;

  /* 背景与文字 */
  --dark: #0D081D;        /* 深空紫黑（header / hero / footer） */
  --dark-2: #160B2E;      /* 深色面板 */
  --dark-line: rgba(255, 255, 255, .12);
  --light: #F7F5FD;       /* 淡紫白内容区 */
  --light-2: #FFFFFF;
  --ink: #221A3D;         /* 亮底深紫墨 */
  --muted: #6E6588;       /* 次级文字 */
  --line: rgba(34, 26, 61, .10);

  /* 渐变与光晕 */
  --grad: linear-gradient(135deg, #7C5CFF 0%, #5B8CFF 100%);
  --grad-text: linear-gradient(115deg, #B9A6FF 0%, #7C5CFF 45%, #5B8CFF 100%);
  --glow: 0 18px 40px -12px rgba(124, 92, 255, .55);

  /* 布局 */
  --container: 1180px;
  --radius: 18px;
  --radius-sm: 12px;
  --section-y: 104px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC",
          "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--light);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

::selection { background: rgba(124, 92, 255, .25); }

/* 可见键盘焦点 */
:focus-visible { outline: 3px solid var(--violet); outline-offset: 2px; border-radius: 4px; }

.container { width: min(var(--container), 100% - 48px); margin-inline: auto; }

/* ---------- 通用段落 ---------- */
.section { padding-block: var(--section-y); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--violet-deep);
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: var(--grad);
  border-radius: 2px;
}
.eyebrow.on-dark { color: #B9A6FF; }

.section-title {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.25;
  margin-top: 14px;
}
.section-title em { font-style: normal; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-title.on-dark { color: #fff; }

.section-lead {
  max-width: 640px;
  color: var(--muted);
  margin-top: 16px;
  font-size: 16.5px;
}
.section-head { margin-bottom: 44px; }
.section-head.center { text-align: center; }
.section-head.center .section-lead { margin-inline: auto; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 12px;
  font-size: 15.5px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: var(--glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 24px 48px -14px rgba(124, 92, 255, .7); }

.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .35);
}
.btn-ghost:hover { border-color: var(--violet); background: rgba(124, 92, 255, .12); transform: translateY(-2px); }

.btn-ghost-dark {
  background: transparent;
  color: var(--ink);
  border-color: rgba(34, 26, 61, .25);
}
.btn-ghost-dark:hover { border-color: var(--violet); color: var(--violet-deep); transform: translateY(-2px); }

.btn-lg { padding: 16px 34px; font-size: 16.5px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  background: rgba(13, 8, 29, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--dark-line);
  transition: box-shadow .2s ease;
}
.site-header.scrolled { box-shadow: 0 12px 30px -18px rgba(0,0,0,.6); }

.header-inner {
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo { display: flex; align-items: center; gap: 12px; color: #fff; }
.logo-mark {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--grad);
  display: grid;
  place-items: center;
  box-shadow: 0 8px 20px -6px rgba(124, 92, 255, .7);
}
.logo-mark svg { width: 26px; height: 26px; }
.logo-text { line-height: 1.15; }
.logo-text strong { display: block; font-size: 19px; font-weight: 800; letter-spacing: .02em; }
.logo-text small { font-size: 11px; color: #A99BE0; letter-spacing: .22em; }

.main-nav ul { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  display: block;
  padding: 10px 16px;
  font-size: 15.5px;
  color: #CFC7E8;
  border-radius: 10px;
  transition: color .15s ease, background .15s ease;
}
.main-nav a:hover { color: #fff; background: rgba(124, 92, 255, .14); }
.main-nav a.active { color: #fff; font-weight: 700; background: rgba(124, 92, 255, .2); }

.header-cta { display: flex; align-items: center; gap: 12px; }
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .02em;
}
.header-phone svg { width: 16px; height: 16px; color: var(--magenta); }
.header-phone span { display: block; line-height: 1.3; }
.header-phone i { display: block; font-style: normal; font-size: 11px; color: #8D82B8; font-weight: 600; letter-spacing: .14em; }
.header-phone b { font-size: 16.5px; font-weight: 800; color: #fff; }

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  background: transparent;
  border: 1px solid var(--dark-line);
  border-radius: 10px;
  cursor: pointer;
  padding: 0 10px;
}
.nav-toggle span {
  display: block; height: 2px; border-radius: 2px;
  background: #fff;
  transition: transform .25s ease, opacity .25s ease;
}
body.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative;
  color: #fff;
  background: var(--dark);
  padding: 168px 0 84px;
  overflow: hidden;
}
.hero::before, .hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  z-index: 0;
}
.hero::before {
  width: 640px; height: 640px;
  left: -180px; top: -160px;
  background: radial-gradient(circle, rgba(124, 92, 255, .5), transparent 65%);
  animation: drift 16s ease-in-out infinite alternate;
}
.hero::after {
  width: 520px; height: 520px;
  right: -120px; bottom: -180px;
  background: radial-gradient(circle, rgba(200, 107, 255, .35), transparent 65%);
  animation: drift 20s ease-in-out infinite alternate-reverse;
}
@keyframes drift { from { transform: translate3d(0,0,0) scale(1); } to { transform: translate3d(40px, 30px, 0) scale(1.08); } }

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: 48px;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.01em;
  margin: 20px 0 22px;
}
.hero h1 em {
  font-style: normal;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  max-width: 560px;
  color: #C4BADF;
  font-size: 17px;
  margin-bottom: 32px;
}

.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

.hero-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: #8D82B8;
  margin-top: 18px;
}
.hero-note svg { width: 16px; height: 16px; color: #7BE0B8; }

/* 数字人光球（签名元素） */
.orb { position: relative; width: 340px; height: 340px; margin-inline: auto; }
.orb-core {
  position: absolute; inset: 8%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 28%, #ffffff 0 4%, transparent 5%),
    radial-gradient(circle at 66% 66%, rgba(91, 140, 255, .85), transparent 60%),
    radial-gradient(circle at 30% 70%, rgba(124, 92, 255, .9), transparent 62%),
    radial-gradient(circle at 62% 30%, rgba(200, 107, 255, .75), transparent 60%),
    #2A1B63;
  box-shadow:
    inset 0 -18px 46px rgba(91, 140, 255, .5),
    inset 0 12px 30px rgba(255, 255, 255, .18),
    0 0 90px rgba(124, 92, 255, .55),
    0 0 180px rgba(200, 107, 255, .28);
  animation: breathe 5.5s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.035); }
}
.orb-face {
  position: absolute; inset: 0;
  display: grid; place-items: center;
}
.orb-face svg { width: 58%; height: 58%; }
.orb-face .pupil { transform-origin: center; animation: blink 6s infinite; }
@keyframes blink {
  0%, 90%, 100% { transform: scaleY(1); }
  94%, 96% { transform: scaleY(.08); }
}

.orb-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px dashed rgba(200, 150, 255, .5);
}
.orb-ring.r1 { inset: 0; animation: spin 26s linear infinite; }
.orb-ring.r2 { inset: -13%; border-color: rgba(124, 92, 255, .35); animation: spin 40s linear infinite reverse; }
.orb-ring.r2::before, .orb-ring.r2::after {
  content: "";
  position: absolute;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--magenta);
  box-shadow: 0 0 12px var(--magenta);
}
.orb-ring.r2::before { top: 12%; right: 8%; }
.orb-ring.r2::after { bottom: 18%; left: 6%; background: var(--blue); box-shadow: 0 0 12px var(--blue); }
@keyframes spin { to { transform: rotate(360deg); } }

.orb-badge {
  position: absolute;
  bottom: 4%; right: -2%;
  background: rgba(22, 11, 46, .85);
  border: 1px solid var(--dark-line);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 12px 16px;
  box-shadow: 0 16px 40px -18px rgba(0,0,0,.8);
}
.orb-badge strong { display: block; font-size: 15px; }
.orb-badge span { font-size: 12px; color: #A99BE0; }
.orb-badge .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #7BE0B8; margin-right: 6px; box-shadow: 0 0 8px #7BE0B8; }

/* 数据条 */
.hero-stats {
  position: relative;
  z-index: 1;
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  border-top: 1px solid var(--dark-line);
  padding-top: 34px;
}
.stat b {
  display: block;
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.2;
}
.stat span { font-size: 14px; color: #A99BE0; }

/* ---------- 产品卡片 ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* 产品区容器 + GEO 主推大卡 + 4 宫格 */
.product-cards { display: grid; gap: 24px; }
.featured-card {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 36px;
  align-items: center;
  background:
    radial-gradient(circle at 88% 18%, rgba(200, 107, 255, .28), transparent 60%),
    radial-gradient(circle at 8% 92%, rgba(91, 140, 255, .22), transparent 60%),
    var(--dark);
  color: #fff;
  border-radius: var(--radius);
  padding: 42px 46px;
  overflow: hidden;
  transition: transform .22s ease, box-shadow .22s ease;
}
.featured-card:hover { transform: translateY(-4px); box-shadow: 0 34px 60px -30px rgba(124, 92, 255, .6); }
.featured-card h3 { font-size: 26px; font-weight: 800; margin: 14px 0 10px; }
.featured-card p { color: #C4BADF; max-width: 540px; }
.featured-card .tag-row { margin-top: 18px; }
.featured-card .tag { background: rgba(255, 255, 255, .1); color: #E6E0F7; }
.featured-card .more-link { color: #fff; }
.badge-core {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: #fff;
  background: var(--grad);
  padding: 6px 14px;
  border-radius: 999px;
  box-shadow: var(--glow);
}
.fc-visual {
  width: 200px; height: 200px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 30%, rgba(255, 255, 255, .22), transparent 58%),
    var(--grad);
  display: grid;
  place-items: center;
  box-shadow: 0 0 90px rgba(124, 92, 255, .5), inset 0 -14px 34px rgba(13, 8, 29, .35);
  justify-self: end;
}
.fc-visual svg { width: 88px; height: 88px; color: #fff; }
.cards-grid-4 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.cards-grid-4 .product-card p { min-height: 0; }
.product-card {
  background: var(--light-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px 26px;
  position: relative;
  overflow: hidden;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.product-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--grad);
  opacity: 0;
  transition: opacity .22s ease;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 50px -24px rgba(124, 92, 255, .4);
  border-color: rgba(124, 92, 255, .35);
}
.product-card:hover::before { opacity: 1; }

.pc-icon {
  width: 58px; height: 58px;
  border-radius: 16px;
  background: var(--grad);
  display: grid; place-items: center;
  box-shadow: var(--glow);
  margin-bottom: 20px;
}
.pc-icon svg { width: 30px; height: 30px; }
.pc-icon.alt { background: linear-gradient(135deg, #5B8CFF, #7C5CFF); }
.pc-icon.alt2 { background: linear-gradient(135deg, #C86BFF, #7C5CFF); }
.pc-icon.alt3 { background: linear-gradient(135deg, #C86BFF, #5B8CFF); }

.product-card h3 { font-size: 21px; font-weight: 800; margin-bottom: 10px; }
.product-card p { font-size: 15px; color: var(--muted); margin-bottom: 18px; min-height: 66px; }

.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--violet-deep);
  background: rgba(124, 92, 255, .08);
  border-radius: 999px;
  padding: 4px 12px;
}

.more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 15px;
  color: var(--violet-deep);
}
.more-link svg { width: 16px; height: 16px; transition: transform .18s ease; }
.more-link:hover svg { transform: translateX(4px); }

/* ---------- 关于/价值 区块 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-copy .section-lead { margin-bottom: 20px; }
.feature-list { display: grid; gap: 16px; }
.feature-list li {
  display: flex; gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  background: var(--light-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.feature-list .fi {
  flex: none;
  width: 38px; height: 38px;
  border-radius: 11px;
  background: rgba(124, 92, 255, .1);
  color: var(--violet-deep);
  display: grid; place-items: center;
}
.feature-list .fi svg { width: 20px; height: 20px; }
.feature-list b { font-size: 16px; }
.feature-list p { font-size: 14px; color: var(--muted); margin-top: 2px; }

/* 侧边面板：AI 引擎回答卡片 */
.engine-card {
  background: var(--dark);
  border-radius: var(--radius);
  padding: 28px;
  color: #fff;
  box-shadow: 0 40px 80px -40px rgba(13, 8, 29, .8);
  position: relative;
  overflow: hidden;
}
.engine-card::after {
  content: "";
  position: absolute;
  width: 300px; height: 300px;
  right: -120px; top: -120px;
  background: radial-gradient(circle, rgba(200, 107, 255, .3), transparent 70%);
  border-radius: 50%;
}
.engine-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; position: relative; z-index: 1; }
.engine-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--grad);
  display: grid; place-items: center;
}
.engine-avatar svg { width: 22px; height: 22px; }
.engine-head b { font-size: 15px; }
.engine-head span { font-size: 12px; color: #A99BE0; }
.engine-bubble {
  background: rgba(255,255,255,.06);
  border: 1px solid var(--dark-line);
  border-radius: 4px 16px 16px 16px;
  padding: 16px 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #E6E0F7;
  position: relative; z-index: 1;
}
.engine-bubble em {
  font-style: normal;
  color: #fff;
  font-weight: 700;
  background: rgba(124, 92, 255, .35);
  padding: 0 5px;
  border-radius: 6px;
}
.engine-foot { margin-top: 16px; font-size: 13px; color: #8D82B8; position: relative; z-index: 1; }

/* ---------- GEO 亮点带（深色） ---------- */
.geo-band {
  background: var(--dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.geo-band::before {
  content: "";
  position: absolute;
  width: 560px; height: 560px;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(124, 92, 255, .22), transparent 65%);
  border-radius: 50%;
}
.geo-inner { position: relative; z-index: 1; }
.geo-inner .section-head { text-align: center; margin-bottom: 40px; }

.geo-logos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 44px;
}
.geo-logo {
  padding: 10px 20px;
  border: 1px solid var(--dark-line);
  border-radius: 999px;
  font-size: 14.5px;
  color: #C4BADF;
  background: rgba(255,255,255,.03);
}
.geo-logo b { color: #fff; font-weight: 600; }

.geo-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.geo-step {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--dark-line);
  border-radius: var(--radius);
  padding: 26px 24px;
  position: relative;
}
.geo-step b { font-size: 32px; font-weight: 800; color: rgba(200, 107, 255, .55); display: block; line-height: 1; }
.geo-step h4 { margin: 14px 0 8px; font-size: 17px; }
.geo-step p { font-size: 14px; color: #B3A8D4; }

/* ---------- 新闻卡片 ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--light-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .22s ease, box-shadow .22s ease;
}
.news-card:hover { transform: translateY(-6px); box-shadow: 0 28px 50px -24px rgba(124, 92, 255, .4); }
.news-thumb {
  height: 168px;
  display: grid; place-items: center;
  background:
    radial-gradient(circle at 25% 25%, rgba(200,107,255,.35), transparent 55%),
    radial-gradient(circle at 75% 70%, rgba(91,140,255,.35), transparent 55%),
    linear-gradient(135deg, #1B1038, #241252);
  color: rgba(255,255,255,.5);
  position: relative;
}
.news-thumb svg { width: 40px; height: 40px; }
.news-body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--muted); }
.news-cat {
  background: rgba(124, 92, 255, .1);
  color: var(--violet-deep);
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 999px;
}
.news-card h3 { font-size: 17px; font-weight: 800; line-height: 1.45; }
.news-card p { font-size: 14px; color: var(--muted); flex: 1; }
.news-card .more-link { font-size: 14px; }

/* ---------- CTA 带 ---------- */
.cta-band {
  background: var(--grad);
  color: #fff;
  border-radius: 24px;
  padding: 56px 52px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band::after {
  content: "";
  position: absolute;
  width: 380px; height: 380px;
  right: -120px; top: -140px;
  background: radial-gradient(circle, rgba(255,255,255,.25), transparent 65%);
  border-radius: 50%;
}
.cta-copy { position: relative; z-index: 1; }
.cta-copy h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; margin-bottom: 8px; }
.cta-copy p { opacity: .9; }
.cta-actions { position: relative; z-index: 1; display: flex; gap: 14px; flex-wrap: wrap; }
.btn-white {
  background: #fff;
  color: var(--violet-deep);
  box-shadow: 0 18px 40px -16px rgba(0,0,0,.4);
}
.btn-white:hover { transform: translateY(-2px); }
.btn-line-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.6);
}
.btn-line-white:hover { background: rgba(255,255,255,.14); transform: translateY(-2px); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--dark); color: #CFC7E8; }
.footer-top {
  padding: 64px 0 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: #8D82B8; max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 18px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; transition: color .15s ease; }
.footer-col a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; font-size: 14px; margin-bottom: 14px; }
.footer-contact svg { width: 17px; height: 17px; flex: none; color: var(--magenta); margin-top: 3px; }
.footer-contact a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid var(--dark-line);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #8D82B8;
}

/* ---------- 浮动咨询（桌面右侧） ---------- */
.float-consult {
  position: fixed;
  right: 24px;
  bottom: 120px;
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.fc-btn {
  width: 92px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: var(--grad);
  box-shadow: var(--glow);
  border: 1px solid rgba(255,255,255,.25);
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease;
}
.fc-btn svg { width: 17px; height: 17px; flex: none; }
.fc-btn:hover { transform: translateY(-3px); }
.fc-btn.ghost { background: rgba(22, 11, 46, .9); backdrop-filter: blur(8px); border-color: var(--dark-line); box-shadow: 0 14px 34px -18px rgba(0,0,0,.7); }
.fc-btn.ghost:hover { box-shadow: 0 18px 40px -18px rgba(124, 92, 255, .5); }
.fc-btn.pulse { position: relative; }
.fc-btn.pulse::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 999px;
  border: 2px solid rgba(124, 92, 255, .5);
  animation: pulse 2.2s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.18); opacity: 0; }
}

/* 手机底部悬浮栏 */
.mobile-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 85;
  display: none;
  grid-template-columns: repeat(3, 1fr);
  background: rgba(13, 8, 29, .95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--dark-line);
  padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
  gap: 8px;
}
.mb-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 8px 4px;
  border-radius: 12px;
  color: #CFC7E8;
  font-size: 12px;
  font-weight: 600;
  background: transparent;
  border: none;
  cursor: pointer;
}
.mb-item svg { width: 22px; height: 22px; }
.mb-item.primary { background: var(--grad); color: #fff; box-shadow: var(--glow); }
.mb-item span { line-height: 1; }

/* ---------- 二维码弹窗 ---------- */
.modal-mask {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(6, 3, 16, .72);
  backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.modal-mask.open { opacity: 1; pointer-events: auto; }
.modal-card {
  width: min(360px, 100%);
  background: var(--light-2);
  border-radius: 22px;
  padding: 34px 30px 30px;
  text-align: center;
  transform: translateY(14px) scale(.97);
  transition: transform .28s ease;
}
.modal-mask.open .modal-card { transform: translateY(0) scale(1); }
.modal-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 6px; }
.modal-card > p { font-size: 14px; color: var(--muted); margin-bottom: 20px; }
.qr-box {
  width: 188px; height: 188px;
  margin: 0 auto 18px;
  border-radius: 14px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 16px 34px -18px rgba(34,26,61,.35);
}
.qr-grid { width: 100%; height: 100%; display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.qr-grid i {
  background: #221A3D;
  border-radius: 1.5px;
  opacity: .92;
}
.qr-grid .find { background: transparent; box-shadow: none; position: relative; }
.qr-caption { font-size: 13px; color: var(--muted); }
.qr-caption b { color: var(--violet-deep); }
.modal-close {
  margin-top: 20px;
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  background: rgba(124, 92, 255, .08);
  border: none;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--violet-deep);
  cursor: pointer;
}

/* ---------- 内页 Hero ---------- */
.page-hero {
  background: var(--dark);
  color: #fff;
  padding: 152px 0 56px;
  position: relative;
  overflow: hidden;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .eyebrow { color: #B9A6FF; }
.page-hero h1 { font-size: clamp(30px, 4vw, 46px); font-weight: 900; margin: 14px 0 12px; letter-spacing: -.01em; }
.page-hero p { max-width: 620px; color: #C4BADF; }
.breadcrumb { font-size: 13px; color: #8D82B8; margin-bottom: 10px; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { margin: 0 8px; color: rgba(255,255,255,.3); }
.breadcrumb .cur { color: #C4BADF; }

/* ---------- 产品详情页 ---------- */
.pd-section { padding-block: 72px; }
.pd-section:nth-child(even) { background: var(--light-2); border-block: 1px solid var(--line); }
.pd-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.pd-grid.reverse .pd-visual { order: 2; }
.pd-visual {
  border-radius: var(--radius);
  background: var(--dark);
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  color: rgba(255,255,255,.4);
}
.pd-visual::before {
  content: "";
  position: absolute;
  width: 70%; height: 70%;
  background: radial-gradient(circle, rgba(124,92,255,.4), transparent 65%);
  border-radius: 50%;
}
.pd-visual svg { width: 30%; height: 30%; position: relative; z-index: 1; }
.pd-copy .section-title { font-size: clamp(24px, 3vw, 34px); }
.pd-copy .section-lead { margin-bottom: 20px; }
.pd-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.pd-point {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 14.5px;
  background: var(--light-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}
.pd-section:nth-child(even) .pd-point { background: var(--light); }
.pd-point svg { width: 18px; height: 18px; flex: none; color: var(--violet); margin-top: 3px; }

.scene-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.scene-item {
  background: var(--light-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 20px 18px;
  text-align: center;
}
.pd-section:nth-child(even) .scene-item { background: var(--light); }
.scene-item svg { width: 26px; height: 26px; margin: 0 auto 12px; color: var(--violet-deep); }
.scene-item b { display: block; font-size: 15px; margin-bottom: 4px; }
.scene-item span { font-size: 12.5px; color: var(--muted); }

/* 营销闭环流程条 */
.loop-flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.loop-step {
  background: var(--light-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 22px 16px;
  text-align: center;
  position: relative;
  transition: transform .2s ease, box-shadow .2s ease;
}
.loop-step:hover { transform: translateY(-4px); box-shadow: 0 18px 34px -22px rgba(124, 92, 255, .5); }
.loop-step .ls-num {
  width: 30px; height: 30px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  font-size: 13px; font-weight: 800;
  display: grid; place-items: center;
  box-shadow: var(--glow);
}
.loop-step b { display: block; font-size: 15px; margin-bottom: 4px; color: var(--ink); }
.loop-step span { font-size: 12.5px; color: var(--muted); }
.loop-step .ls-arr {
  position: absolute;
  right: -11px; top: 50%;
  transform: translateY(-50%);
  color: var(--violet);
  width: 18px; height: 18px;
  z-index: 2;
  background: var(--light-2);
  border-radius: 50%;
}
.loop-flow .loop-step:last-child .ls-arr { display: none; }

/* ---------- 新闻列表页 ---------- */
.news-list { display: grid; gap: 20px; }
.news-item {
  display: grid;
  grid-template-columns: 150px 1fr auto;
  gap: 26px;
  align-items: center;
  background: var(--light-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.news-item:hover { transform: translateY(-4px); box-shadow: 0 22px 42px -24px rgba(124,92,255,.4); }
.news-item .news-thumb { height: 96px; border-radius: var(--radius-sm); }
.news-item .news-thumb svg { width: 26px; height: 26px; }
.news-item h3 { font-size: 17.5px; font-weight: 800; margin-bottom: 8px; transition: color .15s ease; }
.news-item:hover h3 { color: var(--violet-deep); }
.news-item p { font-size: 14px; color: var(--muted); }
.news-date { text-align: center; padding-left: 24px; border-left: 1px solid var(--line); }
.news-date b { display: block; font-size: 26px; font-weight: 800; color: var(--violet-deep); line-height: 1.1; }
.news-date span { font-size: 13px; color: var(--muted); }

/* 分页 */
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 44px; }
.pager a, .pager span {
  min-width: 40px; height: 40px;
  display: grid; place-items: center;
  padding: 0 6px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--light-2);
  font-size: 14px;
  font-weight: 600;
}
.pager a:hover { border-color: var(--violet); color: var(--violet-deep); }
.pager .cur { background: var(--grad); color: #fff; border-color: transparent; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: start; }
.contact-cards { display: grid; gap: 18px; }
.contact-card {
  display: flex; gap: 16px;
  background: var(--light-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.contact-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -24px rgba(124,92,255,.4); }
.contact-card .ci {
  flex: none;
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--grad);
  color: #fff;
  display: grid; place-items: center;
  box-shadow: var(--glow);
}
.contact-card .ci svg { width: 24px; height: 24px; }
.contact-card b { font-size: 16px; display: block; margin-bottom: 3px; }
.contact-card p, .contact-card a { font-size: 14.5px; color: var(--muted); }
.contact-card a:hover { color: var(--violet-deep); }

.contact-form {
  background: var(--light-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 32px;
  box-shadow: 0 30px 60px -40px rgba(124,92,255,.35);
}
.contact-form h2 { font-size: 24px; font-weight: 800; margin-bottom: 6px; }
.contact-form > p { font-size: 14px; color: var(--muted); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--light);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field textarea { resize: vertical; min-height: 116px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--violet);
  box-shadow: 0 0 0 3px rgba(124,92,255,.14);
}
.form-tip { font-size: 12px; color: var(--muted); margin-top: -6px; margin-bottom: 16px; }

.contact-form .form-body { display: block; }
.contact-form.submitted .form-body { display: none; }
.form-success {
  display: none;
  text-align: center;
  padding: 48px 20px;
}
.form-success.show { display: block; }
.form-success .ok-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(123, 224, 184, .15);
  color: #16A34A;
  display: grid; place-items: center;
  margin: 0 auto 18px;
}
.form-success .ok-icon svg { width: 34px; height: 34px; }
.form-success b { font-size: 20px; }
.form-success p { font-size: 14px; color: var(--muted); margin-top: 8px; }

/* 地图占位 */
.map-block {
  margin-top: 56px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  position: relative;
}
.map-ph {
  height: 360px;
  display: grid; place-items: center;
  background:
    repeating-linear-gradient(0deg, rgba(124,92,255,.05) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(90deg, rgba(124,92,255,.05) 0 1px, transparent 1px 56px),
    var(--light-2);
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}
.map-ph svg { width: 40px; height: 40px; margin: 0 auto 12px; color: var(--violet); }
.map-label {
  position: absolute;
  left: 20px; top: 20px;
  background: rgba(255,255,255,.9);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  padding: 7px 14px;
  box-shadow: 0 10px 24px -14px rgba(34,26,61,.3);
}

/* ---------- 滚动显现 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .geo-flow { grid-template-columns: 1fr; gap: 14px; }
  .scene-row { grid-template-columns: repeat(2, 1fr); }
  .loop-flow { grid-template-columns: 1fr 1fr; }
  .loop-step:last-child { grid-column: 1 / -1; }
  .loop-step .ls-arr { display: none; }
}

@media (max-width: 920px) {
  :root { --section-y: 72px; }

  .main-nav {
    position: fixed;
    inset: 70px 0 auto 0;
    background: rgba(13, 8, 29, .98);
    border-bottom: 1px solid var(--dark-line);
    padding: 18px 24px 26px;
    display: none;
  }
  body.menu-open .main-nav { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 4px; }
  .main-nav a { padding: 14px 16px; font-size: 17px; }

  .nav-toggle { display: flex; }
  .header-phone { display: none; }

  .hero-grid { grid-template-columns: 1fr; gap: 56px; text-align: center; }
  .hero-sub { margin-inline: auto; }
  .hero-actions, .hero-note { justify-content: center; }
  .orb { width: 300px; height: 300px; }

  .cards-grid, .news-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .pd-grid, .pd-grid.reverse { grid-template-columns: 1fr; gap: 36px; }
  .pd-grid.reverse .pd-visual { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 640px) {
  :root { --section-y: 60px; }
  .container { width: min(var(--container), 100% - 32px); }

  .hero { padding: 132px 0 60px; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 52px; }

  .cards-grid, .news-grid { grid-template-columns: 1fr; }
  .product-card p { min-height: 0; }
  .cards-grid-4 { grid-template-columns: 1fr; }
  .featured-card { grid-template-columns: 1fr; padding: 30px 24px; }
  .fc-visual { justify-self: center; }
  .loop-flow { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 28px; }

  .news-item { grid-template-columns: 1fr; gap: 16px; }
  .news-item .news-thumb { height: 150px; }
  .news-date { text-align: left; padding-left: 0; border-left: none; display: flex; gap: 8px; align-items: baseline; }
  .news-date b { font-size: 20px; }

  .form-row { grid-template-columns: 1fr; }
  .form-row + .field { clear: both; }
  .contact-form { padding: 26px 20px; }

  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .pd-points { grid-template-columns: 1fr; }
  .scene-row { grid-template-columns: 1fr; }

  /* 桌面右侧浮动按钮隐藏，底部悬浮栏接管 */
  .float-consult { display: none; }
  .mobile-bar { display: grid; }
  body { padding-bottom: 76px; }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001s !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}
