/* ============================================================
   明序 MINGXU 官网设计系统
   风格融合：01 深空灰硬核（大疆式） × 03 轻快几何（飞书式）
   ============================================================ */

:root {
  /* 浅色体系（03） */
  --ink: #1f2329;
  --ink-2: #646a73;
  --ink-3: #8f959e;
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --line: #e5e6eb;

  /* 深色体系（01） */
  --dark: #14171c;
  --dark-2: #1c2027;
  --dark-3: #262b34;
  --dark-line: rgba(255, 255, 255, 0.08);
  --dark-text: #e8eaf0;
  --dark-text-2: #8a919e;

  /* 品牌色：飞书蓝为主，几何四色点缀 */
  --blue: #3370ff;
  --blue-deep: #2e7df6;
  --cyan: #14c0ff;
  --purple: #7f77dd;
  --green: #1d9e75;

  --radius: 8px;
  --radius-lg: 14px;
  --nav-h: 64px;
  /* 版心：内容宽度与两侧最小留白分离，宽度随视口自适应 */
  --maxw: 1400px;
  --gutter: clamp(22px, 3vw, 48px);
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Noto Sans SC", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--blue); color: #fff; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* 中文段落避免末行只剩一两个字（Chromium / Safari 生效，其余浏览器自动忽略） */
p, li { text-wrap: pretty; }

/* 版心：min(内容宽, 视口 - 2×留白)。max-width 含 padding，
   所以内容实际宽度稳定等于 --maxw，两侧留白只兜底窄屏 */
.container {
  width: 100%;
  max-width: calc(var(--maxw) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
/* 超大屏：版心再放宽一档，避免 2K 屏两侧空成两条白边 */
@media (min-width: 1760px) {
  :root { --maxw: 1500px; }
}

/* ---------- 几何图形语言（03 的签名元素） ---------- */
.geo { position: absolute; pointer-events: none; }
.geo-sq { border-radius: 6px; }
.geo-dot { border-radius: 50%; }
.geo-blue   { background: var(--blue); }
.geo-cyan   { background: var(--cyan); }
.geo-purple { background: var(--purple); }
.geo-green  { background: var(--green); }

/* ---------- 导航 ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 0.5px solid var(--line);
}
.nav-inner {
  width: 100%;
  max-width: calc(var(--maxw) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.5px;
}
.brand-mark {
  display: flex;
  gap: 3px;
}
.brand-mark i {
  width: 7px; height: 7px;
  border-radius: 2px;
  display: block;
}
.brand-mark i:nth-child(1) { background: var(--blue); }
.brand-mark i:nth-child(2) { background: var(--cyan); border-radius: 50%; }
.brand-mark i:nth-child(3) { background: var(--purple); }
.brand small { color: var(--ink-3); font-weight: 400; font-size: 12px; letter-spacing: 2px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
}
.nav-links a {
  color: var(--ink-2);
  transition: color 0.2s;
  padding: 4px 0;
  position: relative;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); font-weight: 500; }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
}
.nav-cta {
  background: var(--blue);
  color: #fff !important;
  padding: 8px 18px !important;
  border-radius: 6px;
  font-weight: 500;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: #2456d6; }
.nav-cta::after { display: none !important; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  width: 40px; height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  width: 20px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: 0.25s;
}

/* ---------- 导航「产品」下拉：四种使用形态 ---------- */
.nav-drop {
  position: relative;
  display: flex;
  align-items: center;
  height: var(--nav-h);
}
.nav-drop-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.nav-caret {
  width: 0; height: 0;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 4.5px solid currentColor;
  opacity: 0.5;
  transition: transform var(--dur-fast, 0.2s) var(--ease-out, ease);
}
.nav-drop:hover .nav-caret,
.nav-drop:focus-within .nav-caret { transform: rotate(180deg); }

.nav-drop-menu {
  position: absolute;
  top: calc(100% + 9px);
  right: 0;
  left: auto;
  transform: translateY(-6px);
  width: 306px;
  padding: 7px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: #fff;
  border: 0.5px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px rgba(16, 28, 56, 0.12), 0 2px 6px rgba(16, 28, 56, 0.04);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.18s var(--ease-out, ease), transform 0.18s var(--ease-out, ease), visibility 0.18s;
  z-index: 120;
}
/* 鼠标从「产品」移到菜单时的悬浮桥，避免中途收起 */
.nav-drop-menu::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: -15px;
  height: 15px;
}
.nav-drop:hover .nav-drop-menu,
.nav-drop:focus-within .nav-drop-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.nav-drop-menu a {
  display: block;
  padding: 9px 12px;
  border-radius: 9px;
  line-height: 1.4;
  transition: background 0.16s;
}
.nav-drop-menu a::after { display: none !important; }
.nav-drop-menu a b {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0;
}
.nav-drop-menu a em {
  display: block;
  margin-top: 3px;
  font-style: normal;
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0;
}
.nav-drop-menu a:hover { background: var(--bg-soft); }
.nav-drop-menu a:hover b { color: var(--blue); }
.drop-badge {
  font-style: normal;
  font-size: 10px;
  line-height: 1;
  padding: 2px 5px;
  border-radius: 4px;
  background: rgba(127, 119, 221, 0.12);
  color: var(--purple);
  font-weight: 400;
  letter-spacing: 0.2px;
}

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; position: relative; overflow: hidden; }
#matrix { scroll-margin-top: calc(var(--nav-h) + 20px); }
.section-soft { background: var(--bg-soft); }
.section-dark {
  background: var(--dark);
  color: var(--dark-text);
}
.section-dark .sec-sub { color: var(--dark-text-2); }

.sec-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--blue);
  font-weight: 500;
  margin-bottom: 16px;
}
.sec-label::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--blue);
}
.sec-label i {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  font-style: normal;
}

.sec-title {
  font-size: clamp(27px, 3.7vw, 42px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}
.sec-sub {
  color: var(--ink-2);
  font-size: 16px;
  max-width: 700px;   /* 阅读舒适上限，版心加宽后不再显得挤在左侧 */
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  transition: transform 0.2s, background 0.2s, border-color 0.2s;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #2456d6; transform: translateY(-2px); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { transform: translateY(-2px); }
.btn-outline-light { border-color: rgba(255,255,255,0.3); color: var(--dark-text); }
.btn-outline-light:hover { border-color: #fff; transform: translateY(-2px); }

/* ---------- 深色 Hero（01 的硬核底色 + 03 的几何） ---------- */
.hero {
  background: var(--dark);
  color: #fff;
  /* 垂直节奏用 vh 驱动：屏幕越矮，上下留白自动收紧，统计行始终留在首屏内 */
  padding: calc(var(--nav-h) + clamp(18px, 4.2vh, 72px)) 0 clamp(16px, 3.2vh, 56px);
  position: relative;
  overflow: hidden;
}
/* 宽屏下让 hero 至少占满一屏并垂直居中，避免统计行被挤到折线以下；
   1180 以下没有右侧可视化、内容本身就很短，不强制满屏 */
@media (min-width: 1181px) {
  .hero {
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}
.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--dark-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--dark-line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 75%);
}
.hero .container { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 2.5px;
  color: var(--cyan);
  border: 0.5px solid rgba(20, 192, 255, 0.35);
  padding: 6px 14px;
  border-radius: 99px;
  margin-bottom: 28px;
}
/* Hero 右侧竖排品牌标识：OPC · 一人公司
   贴在内容右缘外侧的留白带里，顶部对齐内容、向下生长；
   注意不要越过右侧固定「联系明序」竖标的中线，故宽度压到 18px、总高约 190px */
.hero-opc {
  position: absolute;
  right: -30px;
  top: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: opc-breathe 7s ease-in-out infinite;
  pointer-events: none;
}
.hero-opc-line {
  order: -1;
  width: 1px;
  height: 14px;
  background: linear-gradient(to bottom, transparent, rgba(140, 180, 255, 0.55));
}
.hero-opc-text {
  writing-mode: vertical-rl;
  font-family: var(--serif, "Songti SC", "Noto Serif SC", serif);
  font-size: 12.5px;
  letter-spacing: 4px;
  line-height: 1.3;
  color: rgba(178, 197, 230, 0.62);
  text-shadow: 0 0 24px rgba(51, 112, 255, 0.25);
}
@keyframes opc-breathe {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}
/* 无右侧可视化时（≤1180）没有可挂靠的留白带，一并隐藏 */
@media (max-width: 1180px) {
  .hero-opc { display: none; }
}
.hero h1 {
  font-size: clamp(32px, 3.9vw, 54px);
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: .5px;
  max-width: 100%;
}
.hero h1 .hl { color: var(--blue-deep); }
.hero-sub {
  color: var(--dark-text-2);
  font-size: 17px;
  margin-top: 20px;
  max-width: 600px;
  line-height: 1.8;
}
.hero-actions { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 0;
  margin-top: clamp(22px, 3.4vh, 56px);
  border-top: 0.5px solid var(--dark-line);
  padding-top: clamp(18px, 3vh, 32px);
  flex-wrap: wrap;
}
.hero-stats .stat { flex: 1; min-width: 140px; padding-right: 24px; }
.stat-num {
  font-size: 34px;
  font-weight: 600;
  letter-spacing: 0.5px;
  line-height: 1.2;
}
.stat-num em { font-style: normal; color: var(--blue-deep); }
.stat-label { color: var(--dark-text-2); font-size: 13px; margin-top: 4px; }

/* Hero 内几何散布 */
.hero .geo { opacity: 0.9; }
.page-hero .container { position: relative; z-index: 2; }

/* ---------- 页 Hero（内页用，浅色 + 几何） ---------- */
.page-hero {
  padding: calc(var(--nav-h) + 80px) 0 76px;
  background: var(--bg-soft);
  position: relative;
  overflow: hidden;
  border-bottom: 0.5px solid var(--line);
}
/* 内页 Hero 两栏：标题在左、说明在右，避免宽版心下标题孤零零靠左 */
.page-hero .container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 560px);
  grid-template-areas:
    "crumb   crumb"
    "title   sub"
    "actions sub";
  column-gap: clamp(44px, 5.2vw, 104px);
  align-items: center;
}
.page-hero .crumb {
  grid-area: crumb;
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: 1px;
  margin-bottom: 18px;
  align-self: start;
}
.page-hero h1 {
  grid-area: title;
  font-size: clamp(32px, 4.9vw, 58px);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: 0.5px;
}
.page-hero .sec-sub {
  grid-area: sub;
  margin-top: 0;
  font-size: 16.5px;
  line-height: 1.85;
  align-self: center;
  border-left: 1px solid var(--line);
  padding-left: 26px;
}
.page-hero .hero-actions { grid-area: actions; margin-top: 30px; }

@media (max-width: 1000px) {
  .page-hero .container {
    display: block;
  }
  .page-hero .sec-sub {
    margin-top: 14px;
    border-left: 0;
    padding-left: 0;
  }
  .page-hero .hero-actions { margin-top: 26px; }
}
/* 窄屏下 hero 装饰点会压到自动换行的正文上，直接关掉 */
@media (max-width: 760px) {
  .page-hero .geo { display: none; }
}

/* ---------- 产品页 Hero：产品切换器置顶，介绍跟着产品走 ---------- */
.page-hero-prod {
  padding: calc(var(--nav-h) + 54px) 0 64px;
}
.page-hero .container.ph-prod { display: block; }
.ph-prod .crumb { margin-bottom: 18px; }
.ph-prod .prod-tabs {
  margin-top: 0;
  margin-bottom: clamp(26px, 3.4vh, 42px);
  background: rgba(20, 30, 60, 0.07);
  border-color: transparent;
}
.ph-prod .prod-hero-swap { display: grid; }

.ph-prod .prod-hero-panel {
  grid-area: 1 / 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 560px);
  grid-template-areas:
    "title   sub"
    "actions sub";
  column-gap: clamp(44px, 5.2vw, 104px);
  align-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.26s var(--ease-out), transform 0.26s var(--ease-out), visibility 0s linear 0.26s;
}
.ph-prod .prod-hero-panel.on {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}
/* 面板内用 h2 承载产品名（全页仅保留一个 h1），样式与 h1 一致 */
.ph-prod .hero-h {
  grid-area: title;
  font-size: clamp(32px, 4.9vw, 58px);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: 0.5px;
}
@media (max-width: 1000px) {
  .ph-prod .prod-hero-panel { display: block; }
  .ph-prod .prod-tabs { margin-bottom: 24px; }
  .ph-prod .hero-h { font-size: clamp(28px, 7.2vw, 42px); }
}
/* 窄屏：胶囊改 2×2 网格，避免换行后圆角拉成椭圆 */
@media (max-width: 760px) {
  .ph-prod .prod-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    padding: 5px;
    gap: 4px;
    border-radius: 14px;
  }
  .ph-prod .prod-tab {
    font-size: 12.5px;
    line-height: 1.4;
    padding: 9px 6px;
    border-radius: 10px;
    white-space: normal;
    background: rgba(255, 255, 255, 0.55);
  }
  .ph-prod .prod-tab.active { background: #fff; }
  .ph-prod .tab-soon { font-size: 9px; padding: 1px 4px; }
}

/* ---------- 卡片 ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 48px;
}
/* 内联固定列数的卡组（如 3 列 / 5 列）在窄屏强制降列，
   否则 inline style 会盖掉 .cards 的响应式规则 */
@media (max-width: 980px) {
  .cards[style*="repeat(3"], .cards[style*="repeat(4"] { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
}
@media (max-width: 620px) {
  .cards[style*="repeat("] { grid-template-columns: 1fr !important; }
}

/* 卡片组整体居中（末行不满时居中排列，如 7 张卡 4+3） */
.cards-center {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.cards-center .card { flex: 0 0 calc((100% - 60px) / 4); }   /* 4 列：7 张排 4+3，末行居中 */
@media (max-width: 1120px) { .cards-center .card { flex-basis: calc((100% - 40px) / 3); } }
@media (max-width: 860px)  { .cards-center .card { flex-basis: calc((100% - 20px) / 2); } }
@media (max-width: 560px)  { .cards-center .card { flex-basis: 100%; } }
.card {
  background: #fff;
  border: 0.5px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  position: relative;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--blue);
  box-shadow: 0 12px 32px rgba(51, 112, 255, 0.08);
}
.card-num {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--ink-3);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-num i {
  width: 10px; height: 10px;
  border-radius: 3px;
  display: inline-block;
  font-style: normal;
}
.card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.card p { color: var(--ink-2); font-size: 14px; line-height: 1.7; }
.card .tag-row { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-size: 12px;
  color: var(--ink-2);
  background: var(--bg-soft);
  border: 0.5px solid var(--line);
  padding: 3px 10px;
  border-radius: 99px;
}

/* 深色卡片 */
.cards-dark .card {
  background: var(--dark-2);
  border-color: var(--dark-line);
  color: var(--dark-text);
}
.cards-dark .card:hover { border-color: var(--blue); box-shadow: 0 12px 32px rgba(0,0,0,0.35); }
.cards-dark .card p { color: var(--dark-text-2); }
.cards-dark .card-num { color: var(--dark-text-2); }

/* ---------- 流程步骤 ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0;
  margin-top: 48px;
  border: 0.5px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
}
.step {
  padding: 28px 20px;
  border-right: 0.5px solid var(--line);
  position: relative;
  transition: background 0.2s;
}
.step:last-child { border-right: 0; }
.step:hover { background: var(--bg-soft); }
.step-no {
  font-size: 12px;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.step h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.step p { font-size: 13px; color: var(--ink-2); line-height: 1.6; }
/* 深色步骤卡 hover（修复全局浅色 hover 在深色卡上闪白） */
.section-dark .step:hover { background: var(--dark-3); }
/* 深色步骤卡 · canvas 光晕层（飞书风格柔和光斑流动） */
.section-dark .step { overflow: hidden; }
.section-dark .step > *:not(.card-canvas) { position: relative; z-index: 1; }
.card-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.65;
  transition: opacity 0.35s;
}
.section-dark .step:hover .card-canvas { opacity: 1; }

/* ---------- 双栏 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split-media {
  border-radius: var(--radius-lg);
  min-height: 320px;
  position: relative;
  overflow: hidden;
}
.media-dark {
  background: var(--dark-2);
  border: 0.5px solid var(--dark-line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark-text-2);
  font-size: 13px;
  letter-spacing: 1px;
}
.media-light {
  background: var(--bg-soft);
  border: 0.5px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-3);
  font-size: 13px;
  letter-spacing: 1px;
}

/* ---------- 列表行（服务/中心详解） ---------- */
.rows { margin-top: 48px; border-top: 0.5px solid var(--line); }
.row {
  display: grid;
  grid-template-columns: clamp(190px, 19%, 280px) minmax(0, 1fr);
  gap: clamp(36px, 3.8vw, 68px);
  padding: 36px 8px;
  border-bottom: 0.5px solid var(--line);
  transition: background 0.2s;
  align-items: start;
}
.row:hover { background: var(--bg-soft); }
.row-head { display: flex; align-items: baseline; gap: 12px; }
.row-no { font-size: 13px; color: var(--blue); font-weight: 600; letter-spacing: 1px; }
.row-head h3 { font-size: 20px; font-weight: 600; }
.row-body p { color: var(--ink-2); font-size: 15px; max-width: 760px; }
.row-body p + p { margin-top: 12px; }
.row-body p b { color: var(--ink); font-weight: 600; }
.row-body .tag-row { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 6px; }
/* 中心详解 · 细节列表（手册真实数字） */
.row-body .detail-list { list-style: none; margin-top: 16px; max-width: 820px; }
.row-body .detail-list li {
  position: relative;
  padding: 7px 0 7px 20px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.75;
  border-bottom: 0.5px dashed var(--line);
}
.row-body .detail-list li:last-child { border-bottom: 0; }
.row-body .detail-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 15px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--blue);
  opacity: 0.55;
}
.row-body .detail-list li b { color: var(--ink); font-weight: 600; }
/* 文字行 hover：左侧品牌色竖条滑入 + 编号呼吸 */
.row::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 22%;
  bottom: 22%;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--blue), var(--cyan));
  transform: scaleY(0);
  transform-origin: center;
  transition: transform 0.35s var(--ease-out);
}
.row:hover::before { transform: scaleY(1); }
.row-no { transition: text-shadow 0.3s, letter-spacing 0.3s; }
.row:hover .row-no { text-shadow: 0 0 12px rgba(51, 112, 255, 0.5); }
@media (max-width: 700px) {
  .row { grid-template-columns: 1fr; gap: 14px; }
}

/* ---------- 时间轴（一天怎么用） ---------- */
.timeline { margin-top: 48px; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--line);
}
.tl-item { position: relative; padding: 0 0 30px 40px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 3px;
  background: var(--blue);
}
.tl-item:nth-child(2)::before { background: var(--cyan); }
.tl-item:nth-child(3)::before { background: var(--purple); }
.tl-item:nth-child(4)::before { background: var(--green); }
.tl-item:nth-child(5)::before { background: var(--cyan); }
.tl-item:nth-child(6)::before { background: var(--purple); }
.tl-item:nth-child(7)::before { background: var(--green); }
.tl-item:nth-child(8)::before { background: var(--cyan); }
.tl-item:nth-child(9)::before { background: var(--purple); }
.tl-time { font-size: 13px; font-weight: 600; color: var(--blue); letter-spacing: 1px; font-family: var(--font-mono, inherit); }
.tl-item h4 { font-size: 16px; font-weight: 600; margin: 5px 0 6px; }
.tl-item p { font-size: 14px; color: var(--ink-2); line-height: 1.75; max-width: 640px; }
/* 深色版时间轴 */
.section-dark .timeline::before { background: var(--dark-line); }
.section-dark .tl-item h4 { color: #fff; }
.section-dark .tl-item p { color: var(--dark-text-2); }
.section-dark .tl-time { color: #7ea6ff; }

/* ---------- 数字速查格 ---------- */
.num-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  border: 0.5px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
}
.num-cell { padding: 26px 24px; border-right: 0.5px solid var(--line); border-bottom: 0.5px solid var(--line); }
.num-cell b { display: block; font-size: 24px; font-weight: 600; color: var(--blue); letter-spacing: 0.5px; line-height: 1.2; }
.num-cell span { display: block; font-size: 13px; color: var(--ink-2); margin-top: 8px; line-height: 1.6; }

/* ---------- 对比（以前/现在） ---------- */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 48px;
}
.compare-col {
  border-radius: var(--radius-lg);
  padding: 32px 30px;
}
.compare-before {
  background: var(--bg-soft);
  border: 0.5px solid var(--line);
}
.compare-after {
  background: var(--dark);
  color: var(--dark-text);
  border: 0.5px solid var(--dark-line);
}
.compare-col h3 { font-size: 17px; font-weight: 600; margin-bottom: 18px; }
.compare-col ul { list-style: none; }
.compare-col li {
  padding: 8px 0;
  font-size: 14px;
  border-bottom: 0.5px dashed var(--line);
  color: var(--ink-2);
}
.compare-after li { border-color: var(--dark-line); color: var(--dark-text-2); }
.compare-col li:last-child { border-bottom: 0; }
.compare-col li b { color: var(--ink); font-weight: 500; }
.compare-after li b { color: #fff; }

/* ---------- 团队 ---------- */
.team {
  display: grid;
  /* 6 位成员固定 3 列：2 行排满，不会出现 4+2 右边空两格 */
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 48px;
}
@media (max-width: 1000px) { .team { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px)  { .team { grid-template-columns: 1fr; } }
.member {
  border: 0.5px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  background: #fff;
  transition: transform 0.25s, border-color 0.25s;
}
.member:hover { transform: translateY(-4px); border-color: var(--blue); }
.member-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--dark);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 18px;
  position: relative;
}
.member h3 { font-size: 19px; font-weight: 600; }
.member .role { color: var(--blue); font-size: 13px; font-weight: 500; margin: 4px 0 12px; letter-spacing: 1px; }
.member p { color: var(--ink-2); font-size: 14px; }
.member-badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--blue);
  background: rgba(51, 112, 255, 0.08);
  border: 0.5px solid rgba(51, 112, 255, 0.3);
  border-radius: 99px;
  padding: 2px 10px;
  margin-bottom: 12px;
}
.member-featured { border-color: rgba(51, 112, 255, 0.45); background: linear-gradient(180deg, rgba(51,112,255,0.04), transparent 60%); }
.member-featured .member-avatar { background: var(--blue); }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  background: var(--dark);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-band h2 { font-size: clamp(24px, 3.4vw, 34px); font-weight: 600; letter-spacing: 0.5px; }
.cta-band p { color: var(--dark-text-2); margin: 14px auto 30px; max-width: 520px; }
/* CTA 带光晕层：文字浮于 canvas 之上，几何装饰保持原位 */
.cta-band > :not(.card-canvas):not(.geo) { position: relative; z-index: 1; }
.cta-band .card-canvas { opacity: 0.8; }

/* ---------- 页脚 ---------- */
.footer {
  background: var(--dark);
  color: var(--dark-text-2);
  padding: 64px 0 32px;
  border-top: 0.5px solid var(--dark-line);
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 0.5px solid var(--dark-line);
}
.footer .brand { color: #fff; }
.footer-desc { margin-top: 14px; font-size: 13px; line-height: 1.8; max-width: 300px; }
.footer h4 { color: #fff; font-size: 14px; font-weight: 600; margin-bottom: 16px; letter-spacing: 1px; }
.footer ul { list-style: none; }
.footer li { margin-bottom: 10px; }
.footer a { transition: color 0.2s; }
.footer a:hover { color: #fff; }

/* 页脚联系条：地址 / 电话 / 微信 / 邮箱 */
.footer-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 34px;
  padding-top: 22px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--dark-text-2);
}
.footer-contact .fc-k {
  color: #5a6270;
  margin-right: 8px;
  letter-spacing: 1px;
}
.footer-contact a {
  color: var(--dark-text-2);
  border-bottom: 0.5px dashed rgba(255, 255, 255, 0.22);
  padding-bottom: 1px;
}
.footer-contact a:hover { color: #fff; border-bottom-color: rgba(255, 255, 255, 0.5); }
@media (max-width: 720px) {
  .footer-contact { flex-direction: column; gap: 6px; padding-top: 18px; }
  .footer-contact .fc-k { display: inline-block; min-width: 44px; }
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: #5a6270;
}

/* ---------- 动效系统（克制的设计：150-300ms · ease-out · 仅 transform/opacity） ---------- */
:root {
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur-fast: 180ms;
  --dur-mid: 260ms;
  --dur-slow: 420ms;
}

/* Hero 入场序列 */
@keyframes riseIn {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: none; }
}
.hero .hero-badge,
.hero h1,
.hero-sub,
.hero-actions,
.hero-stats {
  opacity: 0;
  animation: riseIn var(--dur-slow) var(--ease-out) forwards;
}
.hero .hero-badge { animation-delay: 80ms; }
.hero h1          { animation-delay: 160ms; }
.hero-sub         { animation-delay: 260ms; }
.hero-actions     { animation-delay: 360ms; }
.hero-stats       { animation-delay: 460ms; }

/* Hero canvas 层 */
.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* 滚动显现（animate-in，不 animate-out） */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in { opacity: 1; transform: none; }

/* 列表行错峰 */
.rows .row { opacity: 0; transform: translateY(18px); transition: opacity var(--dur-mid) var(--ease-out), transform var(--dur-mid) var(--ease-out), background 0.2s; }
.rows.in .row { opacity: 1; transform: none; }
.rows.in .row:nth-child(1) { transition-delay: 0ms; }
.rows.in .row:nth-child(2) { transition-delay: 60ms; }
.rows.in .row:nth-child(3) { transition-delay: 120ms; }
.rows.in .row:nth-child(4) { transition-delay: 180ms; }
.rows.in .row:nth-child(5) { transition-delay: 240ms; }
.rows.in .row:nth-child(6) { transition-delay: 300ms; }
.rows.in .row:nth-child(7) { transition-delay: 360ms; }

/* 卡片入场错峰 */
.cards.stagger .card { opacity: 0; transform: translateY(18px); transition: opacity var(--dur-mid) var(--ease-out), transform var(--dur-mid) var(--ease-out), border-color 0.25s, box-shadow 0.25s; }
.cards.stagger.in .card { opacity: 1; transform: none; }
.cards.stagger.in .card:nth-child(1) { transition-delay: 0ms; }
.cards.stagger.in .card:nth-child(2) { transition-delay: 50ms; }
.cards.stagger.in .card:nth-child(3) { transition-delay: 100ms; }
.cards.stagger.in .card:nth-child(4) { transition-delay: 150ms; }
.cards.stagger.in .card:nth-child(5) { transition-delay: 200ms; }
.cards.stagger.in .card:nth-child(6) { transition-delay: 250ms; }
.cards.stagger.in .card:nth-child(7) { transition-delay: 300ms; }
.cards.stagger.in .card:nth-child(8) { transition-delay: 350ms; }

/* 按钮与卡片 hover（微交互反馈） */
.btn { transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out); }
.btn:active { transform: translateY(0) scale(0.98); }
.card { transition: transform var(--dur-mid) var(--ease-out), border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out); }

/* 导航链接下划线滑入 */
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  height: 2px; width: 100%;
  background: var(--blue);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease-out);
}
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active::after { transform: scaleX(1); }
.nav-links .nav-cta::after { display: none; }

/* 产品切换：分段胶囊（页内切换器，视觉上不与主导航抢层级） */
.prod-tabs {
  display: inline-flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-top: 34px;
  padding: 5px;
  background: var(--bg-soft);
  border: 0.5px solid var(--line);
  border-radius: 999px;
}
.prod-tab {
  position: relative;
  background: none;
  border: 0;
  font-family: var(--font);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-2);
  padding: 9px 18px;
  cursor: pointer;
  border-radius: 999px;
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.prod-tab:hover { color: var(--ink); }
.prod-tab.active {
  color: var(--ink);
  background: #fff;
  box-shadow: 0 1px 2px rgba(20,30,60,.08), 0 4px 12px -6px rgba(20,30,60,.18);
}
.prod-tab.active::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -1px;
  width: 0; height: 0;
  display: none;
}
.prod-panel { display: none; scroll-margin-top: calc(var(--nav-h) + 16px); }
.prod-panel.active {
  display: block;
  animation: panelIn var(--dur-mid) var(--ease-out);
}
@keyframes panelIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

/* 图片占位槽（用户提供素材后替换） */
.img-slot {
  border: 1px dashed #c9cdd4;
  border-radius: var(--radius-lg);
  background: var(--bg-soft) center / cover no-repeat;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--ink-3);
  font-size: 13px;
  text-align: center;
  padding: 16px;
  min-height: 220px;
  position: relative;
  overflow: hidden;
}
.img-slot .slot-tag {
  font-size: 12px;
  background: #fff;
  border: 0.5px solid var(--line);
  border-radius: 99px;
  padding: 3px 12px;
  color: var(--ink-2);
}
.img-slot .slot-size { font-size: 11px; color: #b0b5bd; }
.img-slot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; opacity: 0; transition: opacity 0.6s ease; z-index: 1; }
.img-slot img.on { opacity: 1; }
/* 模糊背景铺满卡片：比例不一致时（如 9:16 图进 16:9 槽）不留白 */
.img-slot .slot-bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
  filter: blur(16px) saturate(1.15) brightness(0.92);
  transform: scale(1.12);
  opacity: 0; transition: opacity 0.6s ease;
}
.img-slot .slot-bg.on { opacity: 1; }
.img-slot.has-img { border-style: solid; border-color: var(--line); }
.img-slot.has-img .slot-tag, .img-slot.has-img .slot-size { display: none; }

/* 槽位多图轮播控件 */
.slot-dots {
  position: absolute; bottom: 12px; left: 0; right: 0; z-index: 2;
  display: flex; gap: 6px; justify-content: center;
}
.slot-dots i {
  width: 6px; height: 6px; border-radius: 3px; cursor: pointer;
  background: rgba(255, 255, 255, 0.55);
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
  transition: width 0.3s ease, background 0.3s ease;
}
.slot-dots i.on { width: 18px; background: #fff; }
.slot-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
  width: 30px; height: 30px; border: none; border-radius: 50%;
  background: rgba(17, 24, 39, 0.38); color: #fff;
  font-size: 16px; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.25s ease, background 0.25s ease;
  backdrop-filter: blur(4px);
}
.slot-nav:hover { background: rgba(17, 24, 39, 0.6); }
.slot-nav.prev { left: 10px; }
.slot-nav.next { right: 10px; }
.img-slot:hover .slot-nav { opacity: 1; }

/* 图片墙（工作/会议/路演/参赛）：重点槽 2×2 放大、次要槽缩小，形成视觉层级 */
.photo-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 170px;
  gap: 16px;
  margin-top: 48px;
}
.photo-wall .img-slot { min-height: 0; }
.photo-wall .slot-lg { grid-column: span 2; grid-row: span 2; }
.photo-wall .slot-banner { grid-column: span 2; grid-row: span 1; }
@media (max-width: 900px) {
  .photo-wall { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
}
@media (max-width: 560px) {
  .photo-wall { grid-template-columns: 1fr; grid-auto-rows: 150px; }
  .photo-wall .slot-lg, .photo-wall .slot-banner { grid-column: span 1; }
}

/* 实拍图说明标签（悬浮于图片底部） */
.img-slot .slot-cap {
  display: none;
  position: absolute; left: 12px; bottom: 12px; z-index: 2;
  font-size: 12px; color: #fff; letter-spacing: 0.5px;
  background: rgba(17, 24, 39, 0.55);
  border: 0.5px solid rgba(255, 255, 255, 0.22);
  border-radius: 99px; padding: 4px 12px;
  backdrop-filter: blur(6px);
}
.img-slot.has-img .slot-cap { display: inline-flex; }

/* ---------- 动效升级：能量流闭环 ---------- */
/* steps 顶部流动渐变线（品牌四色能量沿「一条线」流动） */
.steps { position: relative; }
.steps::before {
  content: "";
  position: absolute;
  top: -16px;
  left: 1.5%;
  right: 1.5%;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--blue) 14%, var(--cyan) 32%, var(--purple) 50%, var(--green) 68%, var(--blue) 86%, transparent 100%);
  background-size: 200% 100%;
  animation: flowLine 7s linear infinite;
  opacity: 0.5;
  pointer-events: none;
}
@keyframes flowLine {
  from { background-position: 0% 0; }
  to   { background-position: -200% 0; }
}
/* 步骤节点轮流点亮（JS 轮播 .lit） */
.steps .step::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-out), background 0.4s;
}
.steps .step:nth-child(2).lit::after { background: var(--cyan); }
.steps .step:nth-child(3).lit::after { background: var(--purple); }
.steps .step:nth-child(4).lit::after { background: var(--green); }
.steps .step:nth-child(5).lit::after { background: var(--blue); }
.steps .step:nth-child(6).lit::after { background: var(--cyan); }
.steps .step:nth-child(7).lit::after { background: var(--purple); }
.steps .step.lit::after { transform: scaleX(1); }
.steps .step { transition: background 0.35s; }
.steps .step.lit { background: var(--bg-soft); }
.section-dark .steps .step.lit { background: var(--dark-3); }
.steps .step.lit .step-no { text-shadow: 0 0 14px rgba(51, 112, 255, 0.55); }

/* ---------- 动效升级：时间轴滚动填充 ---------- */
.timeline .tl-progress {
  position: absolute;
  left: 7px;
  top: 10px;
  width: 2px;
  height: 0;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--blue), var(--cyan), var(--purple), var(--green));
  transition: height 0.2s linear;
  pointer-events: none;
}
.tl-item::before {
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}
.tl-item.passed::before {
  transform: scale(1.4);
  box-shadow: 0 0 0 5px rgba(51, 112, 255, 0.14);
}
.tl-item .tl-time, .tl-item h4 { transition: color 0.35s; }

/* ---------- 动效升级：卡片扫光（hover 高光扫过） ---------- */
.card { overflow: hidden; }
.card::after {
  content: "";
  position: absolute;
  top: 0;
  left: -70%;
  width: 45%;
  height: 100%;
  background: linear-gradient(105deg, transparent, rgba(51, 112, 255, 0.08), transparent);
  transform: skewX(-18deg);
  pointer-events: none;
}
.card:hover::after { animation: cardSweep 0.75s var(--ease-out); }
@keyframes cardSweep {
  from { left: -70%; }
  to   { left: 115%; }
}

/* ---------- 动效升级：团队头像呼吸光环 ---------- */
@keyframes avatarBreath {
  0%, 100% { box-shadow: 0 0 0 0 rgba(51, 112, 255, 0); }
  50%      { box-shadow: 0 0 0 9px rgba(51, 112, 255, 0.10); }
}
.member-avatar { animation: avatarBreath 3.4s ease-in-out infinite; }
.member:nth-child(2) .member-avatar { animation-delay: 0.4s; }
.member:nth-child(3) .member-avatar { animation-delay: 0.8s; }
.member:nth-child(4) .member-avatar { animation-delay: 1.2s; }
.member:nth-child(5) .member-avatar { animation-delay: 1.6s; }
.member:nth-child(6) .member-avatar { animation-delay: 2.0s; }

/* ---------- 动效升级：对比列表逐条入场 ---------- */
.compare.reveal li {
  opacity: 0;
  transform: translateX(-12px);
  transition: opacity 0.45s var(--ease-out), transform 0.45s var(--ease-out);
}
.compare.reveal.in li { opacity: 1; transform: none; }
.compare.reveal.in li:nth-child(1) { transition-delay: 0.05s; }
.compare.reveal.in li:nth-child(2) { transition-delay: 0.12s; }
.compare.reveal.in li:nth-child(3) { transition-delay: 0.19s; }
.compare.reveal.in li:nth-child(4) { transition-delay: 0.26s; }
.compare.reveal.in li:nth-child(5) { transition-delay: 0.33s; }
.compare.reveal.in li:nth-child(6) { transition-delay: 0.40s; }

/* ---------- 动效升级：图片槽位光带脉动（占位态） ---------- */
.img-slot:not(.has-img) {
  background-image: linear-gradient(110deg, transparent 32%, rgba(51, 112, 255, 0.06) 50%, transparent 68%);
  background-size: 240% 100%;
  animation: slotSheen 5s ease-in-out infinite;
}
@keyframes slotSheen {
  from { background-position: 130% 0; }
  to   { background-position: -130% 0; }
}

/* ---------- 悬浮联系入口（全站右侧） ---------- */
.contact-fab { position: fixed; right: 0; top: 56%; transform: translateY(-50%); z-index: 900; }
.contact-fab-tab {
  writing-mode: vertical-rl; letter-spacing: 4px; padding: 20px 11px;
  background: linear-gradient(160deg, var(--blue), var(--cyan)); color: #fff;
  border: none; border-radius: 10px 0 0 10px; cursor: pointer;
  font-size: 13px; font-weight: 600; font-family: inherit;
  box-shadow: -4px 6px 20px rgba(37, 99, 235, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.contact-fab-tab:hover { transform: translateX(-2px); box-shadow: -4px 6px 26px rgba(37, 99, 235, 0.4); }
.contact-fab-panel {
  position: absolute; right: 46px; top: 50%;
  transform: translateY(-50%) translateX(14px);
  width: 252px; background: var(--bg, #fff);
  border: 0.5px solid var(--line); border-radius: 14px;
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.16);
  padding: 22px 20px 20px; text-align: left;
  opacity: 0; visibility: hidden;
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
}
.contact-fab.open .contact-fab-panel { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); }
.contact-fab-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.contact-fab-sub { font-size: 12px; color: var(--ink-3); margin-bottom: 12px; }
.contact-fab-list { list-style: none; margin: 0 0 14px; }
.contact-fab-list li { display: flex; gap: 12px; padding: 8px 0; border-bottom: 0.5px dashed var(--line); font-size: 13px; }
.contact-fab-list li:last-child { border-bottom: none; }
.contact-fab-list .k { color: var(--ink-3); min-width: 34px; }
.contact-fab-list .v { color: var(--ink-2); }
.contact-fab-list .v.dim { color: var(--ink-3); font-size: 12px; }
.contact-fab .btn { width: 100%; text-align: center; }
@media (max-width: 720px) {
  .contact-fab { top: auto; bottom: 18px; right: 14px; transform: none; }
  .contact-fab-tab { writing-mode: horizontal-tb; letter-spacing: 2px; padding: 11px 18px; border-radius: 999px; }
  .contact-fab-panel { right: 0; top: auto; bottom: 54px; transform: translateY(10px); width: min(252px, calc(100vw - 28px)); }
  .contact-fab.open .contact-fab-panel { transform: translateY(0); }
}

/* ============ 产品实况演示（首页「看它怎么干活」） ============ */
.demo-stage {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 40px;
  align-items: center;
  margin-top: 48px;
}
/* 左：模拟工作台屏幕 */
.demo-screen {
  position: relative;
  background: linear-gradient(160deg, #171b22 0%, #10131a 100%);
  border: 1px solid var(--dark-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 60px -18px rgba(20, 30, 60, 0.35), 0 4px 14px rgba(20, 30, 60, 0.12);
}
.demo-chrome {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--dark-line);
}
.demo-chrome .d-dot { width: 10px; height: 10px; border-radius: 50%; opacity: 0.85; }
.demo-url {
  margin-left: 10px;
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--dark-text-2);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 99px;
  padding: 3px 12px;
}
/* 演示播放 / 暂停按钮 */
.demo-play {
  margin-left: auto;
  flex: none;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-size: 10px;
  line-height: 1;
  color: var(--dark-text-2);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--dark-line);
  border-radius: 7px;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.demo-play:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.22);
}
.demo-play:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
/* 手动暂停时屏幕底部角标 */
.demo-pause-tip { display: none; }
/* 减少动态偏好：演示为静态终态，播放控件无意义，隐藏 */
@media (prefers-reduced-motion: reduce) {
  .demo-play, .demo-pause-tip { display: none; }
}
.demo-screen.is-paused .demo-pause-tip {
  display: block;
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  z-index: 6;
  padding: 5px 13px;
  font-size: 11px;
  letter-spacing: 0.5px;
  white-space: nowrap;
  color: #dbe9ff;
  background: rgba(14, 20, 30, 0.9);
  border: 1px solid rgba(140, 175, 225, 0.32);
  border-radius: 999px;
  pointer-events: none;
}
.demo-screen.is-paused .demo-pause-tip::before { content: "演示已暂停 · 点右上角 ▶ 继续"; }
.demo-body { display: grid; grid-template-columns: 108px 1fr; min-height: 330px; }
.demo-side {
  border-right: 1px solid var(--dark-line);
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.demo-side-item {
  font-size: 12px;
  color: var(--dark-text-2);
  padding: 8px 10px;
  border-radius: 6px;
  border-left: 2px solid transparent;
  transition: color 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}
.demo-side-item.on {
  color: #fff;
  background: rgba(51, 112, 255, 0.16);
  border-left-color: var(--blue);
}
.demo-main { position: relative; padding: 18px; }
.demo-scene {
  position: absolute;
  inset: 18px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.45s ease, transform 0.45s ease;
  pointer-events: none;
}
.demo-scene.on { opacity: 1; transform: none; }
.demo-time { font-size: 11px; letter-spacing: 1px; color: var(--cyan); margin-bottom: 12px; }
.demo-card {
  background: var(--dark-2);
  border: 1px solid var(--dark-line);
  border-radius: 10px;
  padding: 16px;
}
.demo-card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.demo-badge {
  font-size: 11px;
  color: #fff;
  background: var(--blue);
  border-radius: 4px;
  padding: 2px 8px;
}
.demo-from { font-size: 11px; color: var(--dark-text-2); }
.demo-card p { font-size: 13px; color: var(--dark-text); line-height: 1.7; }
.demo-card p b { color: var(--cyan); }
.demo-actions { display: flex; gap: 8px; margin-top: 14px; }
.demo-btn {
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 6px;
  background: var(--blue);
  color: #fff;
}
.demo-btn.ghost { background: transparent; border: 1px solid var(--dark-line); color: var(--dark-text-2); }
/* 第二幕：流水线 + 进度条 */
.demo-pipe { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.demo-pipe-step {
  font-size: 12px;
  color: var(--dark-text-2);
  border: 1px solid var(--dark-line);
  border-radius: 99px;
  padding: 4px 12px;
  transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}
.demo-pipe-step.on { color: #fff; border-color: var(--blue); background: rgba(51, 112, 255, 0.18); }
.demo-pipe i { width: 14px; height: 1px; background: var(--dark-line); }
.demo-progress { height: 6px; border-radius: 99px; background: rgba(255, 255, 255, 0.07); overflow: hidden; }
.demo-progress-bar {
  width: 0;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}
.demo-scene.on .demo-progress-bar { width: 100%; transition: width 2.8s linear 0.2s; }
.demo-note { font-size: 12px; color: var(--dark-text-2); margin-top: 12px; }
/* 第三幕：五平台依次点亮 */
.demo-plats { display: flex; flex-wrap: wrap; gap: 8px; }
.demo-plat {
  font-size: 12px;
  color: var(--dark-text);
  border: 1px solid var(--dark-line);
  border-radius: 8px;
  padding: 8px 12px;
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.35s ease, transform 0.35s ease, border-color 0.35s ease;
}
.demo-plat.on { opacity: 1; transform: none; border-color: rgba(51, 112, 255, 0.55); }
/* 第四幕：指标 + 复盘 */
.demo-metrics { display: flex; gap: 12px; margin-bottom: 14px; }
.demo-metric {
  flex: 1;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--dark-line);
  border-radius: 8px;
  padding: 10px;
  text-align: center;
}
.demo-metric b { display: block; font-size: 20px; color: var(--cyan); font-variant-numeric: tabular-nums; }
.demo-metric span { font-size: 11px; color: var(--dark-text-2); }
.demo-report {
  font-size: 12px;
  color: var(--dark-text-2);
  line-height: 1.7;
  border-left: 2px solid var(--green);
  padding-left: 10px;
}
.demo-report b { color: var(--green); }
/* 右：分镜说明 */
.demo-caps { display: flex; flex-direction: column; gap: 10px; }
.demo-cap {
  padding: 16px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  border-left: 2px solid var(--line);
  opacity: 0.45;
  transform: translateX(6px);
  cursor: pointer;
  transition: opacity 0.4s ease, transform 0.4s ease, border-color 0.4s ease, background 0.4s ease;
}
.demo-cap:hover { border-left-color: var(--cyan); }
.demo-cap.on { opacity: 1; transform: none; border-left-color: var(--blue); background: var(--bg-soft); }
.demo-cap-no { font-size: 11px; letter-spacing: 2px; color: var(--blue); margin-bottom: 6px; }
.demo-cap h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.demo-cap p { font-size: 13px; color: var(--ink-2); line-height: 1.7; }
@media (max-width: 960px) {
  .demo-stage { grid-template-columns: 1fr; gap: 28px; }
  .demo-body { min-height: 300px; }
}
/* ============ IP 问卷实况演示（产品页） ============ */
.quiz-body { display: grid; grid-template-columns: 150px 1fr; min-height: 320px; }
.quiz-progress {
  border-right: 1px solid var(--dark-line);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 18px 10px;
}
.quiz-progress svg { width: 104px; height: 104px; transform: rotate(-90deg); }
.q-ring-bg { fill: none; stroke: rgba(255, 255, 255, 0.08); stroke-width: 8; }
.q-ring {
  fill: none;
  stroke: var(--blue);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 326.7;
  stroke-dashoffset: 326.7;
  transition: stroke-dashoffset 0.9s ease;
}
.quiz-progress-num { margin-top: -74px; margin-bottom: 46px; text-align: center; }
.quiz-progress-num b { font-size: 24px; color: #fff; font-variant-numeric: tabular-nums; }
.quiz-progress-num span { font-size: 11px; color: var(--dark-text-2); }
.quiz-progress-label { font-size: 11px; color: var(--dark-text-2); letter-spacing: 1px; }
.quiz-main { position: relative; padding: 20px; }
.quiz-q {
  position: absolute;
  inset: 20px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.45s ease, transform 0.45s ease;
  pointer-events: none;
  display: flex;
  flex-direction: column;
}
.quiz-q.on { opacity: 1; transform: none; }
.quiz-q-no { font-size: 11px; color: var(--cyan); letter-spacing: 1px; margin-bottom: 10px; }
.quiz-q h4 { font-size: 16px; font-weight: 600; color: #fff; line-height: 1.5; margin-bottom: 16px; }
.quiz-opts { display: flex; flex-direction: column; gap: 8px; }
.quiz-opt {
  font-size: 13px;
  color: var(--dark-text);
  border: 1px solid var(--dark-line);
  border-radius: 8px;
  padding: 10px 14px;
  transition: border-color 0.3s ease, background 0.3s ease, color 0.3s ease;
}
.quiz-opt.picked {
  border-color: var(--blue);
  background: rgba(51, 112, 255, 0.16);
  color: #fff;
}
.quiz-opt.picked::after { content: " ✓"; color: var(--cyan); }
.quiz-done-badge {
  align-self: flex-start;
  font-size: 11px;
  color: #fff;
  background: var(--green);
  border-radius: 4px;
  padding: 3px 10px;
  margin-bottom: 12px;
}
.quiz-done p { font-size: 13px; color: var(--dark-text-2); line-height: 1.7; margin-top: 8px; }
@media (max-width: 960px) {
  .quiz-body { grid-template-columns: 1fr; }
  .quiz-progress { border-right: none; border-bottom: 1px solid var(--dark-line); flex-direction: row; gap: 14px; }
  .quiz-progress-num { margin: 0; }
  .quiz-progress-label { margin: 0; }
}

/* ============ OPC 起盘路径演示（服务页） ============ */
.path-flow {
  display: grid;
  grid-template-columns: 1fr 28px 1fr 28px 1fr 28px 1fr;
  align-items: stretch;
  gap: 0;
  margin-top: 48px;
}
.path-node {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  position: relative;
  transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}
.path-node.lit {
  border-color: var(--blue);
  box-shadow: 0 12px 32px -10px rgba(51, 112, 255, 0.28);
  transform: translateY(-4px);
}
.path-node-no { font-size: 11px; letter-spacing: 2px; color: var(--ink-3); margin-bottom: 12px; }
.path-node.lit .path-node-no { color: var(--blue); }
.path-node-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 14px;
  opacity: 0.55;
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.path-node.lit .path-node-icon { opacity: 1; transform: scale(1.06); }
.path-node h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.path-node p { font-size: 13px; color: var(--ink-2); line-height: 1.7; }
.path-node-tools {
  margin-top: 14px;
  font-size: 12px;
  color: var(--blue);
  background: rgba(51, 112, 255, 0.08);
  border-radius: 6px;
  padding: 6px 10px;
  display: inline-block;
}
.path-link { display: flex; align-items: center; justify-content: center; position: relative; }
.path-link::before {
  content: "";
  position: absolute;
  left: 0; right: 0;
  top: 50%;
  height: 1px;
  background: var(--line);
}
.path-link i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 4px #fff, 0 0 12px rgba(51, 112, 255, 0.6);
  animation: path-spark 2.4s ease-in-out infinite;
}
@keyframes path-spark {
  0% { transform: translateX(-38px); opacity: 0; }
  25% { opacity: 1; }
  75% { opacity: 1; }
  100% { transform: translateX(38px); opacity: 0; }
}
.path-caption {
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 14px 18px;
}
.path-cap-no { font-size: 12px; letter-spacing: 1px; color: var(--blue); font-weight: 600; white-space: nowrap; }
.path-cap-text { font-size: 14px; color: var(--ink-2); }
@media (max-width: 960px) {
  .path-flow { grid-template-columns: 1fr; gap: 12px; }
  .path-link { height: 24px; }
  .path-link::before { display: none; }
  .path-link i { animation: none; opacity: 0.5; }
}

/* ============ 像素办公室（关于页嵌入） ============ */
.pixel-office { margin-top: 64px; }
.pixel-office-head { margin-bottom: 22px; }
.pixel-office-frame {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #141018;
  box-shadow: 0 26px 60px -26px rgba(16, 24, 48, .55), 0 0 0 1px rgba(20, 30, 60, .12);
}
.pixel-office-frame iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  background: #141018;
}

/* ============ 对比表（AI 回答「A 和 B 有什么区别」时优先引用表格） ============ */
.tbl-wrap {
  margin-top: 36px;
  overflow-x: auto;
  border: 0.5px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  -webkit-overflow-scrolling: touch;
}
.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  min-width: 640px;
}
.tbl th,
.tbl td {
  padding: 15px 20px;
  text-align: left;
  vertical-align: top;
  line-height: 1.75;
  border-bottom: 0.5px solid var(--line);
}
.tbl thead th {
  background: rgba(20, 30, 60, 0.035);
  color: var(--ink);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.4px;
  white-space: nowrap;
}
.tbl tbody th {
  width: 24%;
  color: var(--ink);
  font-weight: 600;
  white-space: nowrap;
}
.tbl td { color: var(--ink-2); }
.tbl tbody tr:last-child th,
.tbl tbody tr:last-child td { border-bottom: 0; }
.tbl tbody tr:hover { background: rgba(51, 112, 255, 0.025); }
@media (max-width: 640px) {
  .tbl { font-size: 13.5px; min-width: 560px; }
  .tbl th, .tbl td { padding: 12px 14px; }
}

/* ============ FAQ（问答区，用 details 保证内容在 DOM 里可被抓取） ============ */
.faq {
  margin-top: 40px;
  display: grid;
  gap: 10px;
  max-width: 1040px;
}
.faq-item {
  background: #fff;
  border: 0.5px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 0 24px;
  transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}
.faq-item:hover { border-color: rgba(51, 112, 255, 0.24); }
.faq-item[open] {
  border-color: rgba(51, 112, 255, 0.3);
  box-shadow: 0 12px 30px -20px rgba(16, 28, 56, 0.4);
}
.faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex: none;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(51, 112, 255, 0.08);
  color: var(--blue);
  font-size: 16px;
  font-weight: 400;
  line-height: 1;
  transition: 0.25s var(--ease-out);
  margin-top: 2px;
}
.faq-item[open] summary::after {
  content: "−";
  background: rgba(51, 112, 255, 0.14);
}
.faq-a { padding: 0 0 20px; }
.faq-a p {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 780px;
  text-wrap: pretty;
}
.faq-a p + p { margin-top: 10px; }
@media (max-width: 640px) {
  .faq-item { padding: 0 18px; }
  .faq-item summary { font-size: 14.5px; padding: 16px 0; }
  .faq-a p { font-size: 14px; }
}

/* ============ 资讯专栏 ============ */
/* 栏目筛选 tabs（轻量下划线样式，只占一行） */
.news-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 30px;
  margin-top: 32px;
  border-bottom: 0.5px solid var(--line);
}
.news-tab {
  position: relative;
  padding: 0 0 13px;
  background: none;
  border: 0;
  font-family: inherit;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--ink-3);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s var(--ease-out);
}
.news-tab::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  border-radius: 2px;
  background: var(--blue);
  opacity: 0;
  transform: scaleX(0.55);
  transition: opacity 0.24s var(--ease-out), transform 0.24s var(--ease-out);
}
.news-tab:hover { color: var(--ink); }
.news-tab.is-active {
  color: var(--ink);
  font-weight: 600;
}
.news-tab.is-active::after { opacity: 1; transform: none; }
.news-tab:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 3px;
}
/* tabs 后面的列表不要再来一条顶线 */
.news-tabs + .post-list {
  margin-top: 0;
  border-top: 0;
}
/* 右侧条数提示（筛选后即时反馈，不抢视觉） */
.news-live {
  margin-left: auto;
  padding-bottom: 13px;
  font-size: 12.5px;
  color: var(--ink-3);
  white-space: nowrap;
  letter-spacing: 0.02em;
}
/* 筛选后隐藏的项必须真的不占位（.post-item 有 display:block 会盖掉 [hidden]） */
.post-item[hidden],
.post-empty[hidden] { display: none; }

/* 文章列表 */
.post-list {
  margin-top: 44px;
  border-top: 0.5px solid var(--line);
}
.post-item {
  display: block;
  padding: 30px 0;
  border-bottom: 0.5px solid var(--line);
  transition: background 0.2s var(--ease-out);
  position: relative;
}
.post-item::before {
  content: "";
  position: absolute;
  left: -20px; top: 30px; bottom: 30px;
  width: 3px;
  border-radius: 2px;
  background: var(--blue);
  opacity: 0;
  transition: opacity 0.25s var(--ease-out);
}
.post-item:hover::before { opacity: 1; }
.post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  font-size: 12.5px;
  color: var(--ink-3);
  letter-spacing: 0.2px;
}
.post-cat {
  padding: 3px 9px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.5;
}
.post-cat.c1 { background: rgba(51, 112, 255, 0.09); color: #2258d8; }
.post-cat.c2 { background: rgba(20, 192, 255, 0.11); color: #0b7fa8; }
.post-cat.c3 { background: rgba(127, 119, 221, 0.11); color: #5b53b8; }
.post-cat.c4 { background: rgba(29, 158, 117, 0.1); color: #13795a; }
.post-dot { color: var(--line); }
.post-item h3 {
  margin-top: 12px;
  font-size: clamp(18px, 2.1vw, 22px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  letter-spacing: 0.2px;
  transition: color 0.2s var(--ease-out);
  max-width: 860px;
}
.post-item:hover h3 { color: var(--blue); }
.post-item p {
  margin-top: 9px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-2);
  max-width: 820px;
  text-wrap: pretty;
}
.post-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--blue);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}
.post-item:hover .post-more { opacity: 1; transform: none; }

/* 列表空状态（文章尚未发布时） */
.post-empty {
  margin-top: 44px;
  padding: 48px 32px;
  border: 0.5px dashed var(--line);
  border-radius: var(--radius-lg);
  text-align: center;
  background: var(--bg-soft);
}
.post-empty b { display: block; font-size: 15px; color: var(--ink); margin-bottom: 8px; }
.post-empty p { font-size: 13.5px; color: var(--ink-3); line-height: 1.8; }

/* ============ 文章详情页 ============ */
.article-hero { padding-bottom: clamp(24px, 3vh, 40px); }
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-top: 18px;
  font-size: 13px;
  color: var(--ink-3);
}
.article-body {
  max-width: 780px;
  font-size: 16.5px;
  line-height: 1.95;
  color: var(--ink-2);
}
.article-body > p { margin-top: 22px; text-wrap: pretty; }
.article-body > p:first-child { margin-top: 0; }
.article-body h2 {
  margin-top: 56px;
  margin-bottom: 4px;
  font-size: clamp(21px, 2.6vw, 25px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
  letter-spacing: 0.2px;
}
.article-body h3 {
  margin-top: 38px;
  margin-bottom: 2px;
  font-size: 17.5px;
  font-weight: 600;
  color: var(--ink);
}
.article-body ul,
.article-body ol { margin-top: 18px; padding-left: 22px; }
.article-body li { margin-top: 9px; text-wrap: pretty; }
.article-body li::marker { color: var(--ink-3); }
.article-body b,
.article-body strong { color: var(--ink); font-weight: 600; }
.article-body a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.article-body a:hover { text-decoration-thickness: 2px; }
.article-body blockquote {
  margin-top: 28px;
  padding: 20px 24px;
  border-left: 3px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--bg-soft);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-2);
}
.article-body blockquote p { margin: 0; }
.article-body hr {
  margin: 48px 0;
  border: 0;
  border-top: 0.5px solid var(--line);
}
.article-body .tbl-wrap { margin-top: 28px; }
.article-body .tbl { font-size: 14px; }

/* 配图与代码块：API 发稿可能带图和代码，之前正文样式没覆盖到 */
.article-body .post-cover {
  display: block;
  width: 100%;
  margin: 0 0 34px;
  border-radius: var(--radius-lg);
  border: 0.5px solid var(--line);
}
.article-body pre {
  margin-top: 26px;
  padding: 18px 20px;
  border-radius: var(--radius);
  background: #10151f;
  color: #e7eaf1;
  font-size: 13px;
  line-height: 1.78;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.article-body pre code {
  padding: 0;
  background: none;
  color: inherit;
  font-size: inherit;
}
.article-body code {
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-soft);
  color: #2b3550;
  font-size: 0.92em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
.article-body img { max-width: 100%; height: auto; border-radius: var(--radius); }

/* 文末：说明 + 上下篇 */
.article-note {
  margin-top: 52px;
  padding: 22px 24px;
  border: 0.5px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--ink-3);
}
.article-note b { color: var(--ink); font-weight: 600; }

.post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 40px;
  max-width: 780px;
}
.post-nav a {
  display: block;
  padding: 20px 22px;
  border: 0.5px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  transition: border-color 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}
.post-nav a:hover { border-color: rgba(51, 112, 255, 0.34); transform: translateY(-2px); }
.post-nav span {
  display: block;
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.4px;
  margin-bottom: 6px;
}
.post-nav b {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.6;
  display: block;
}
.post-nav .is-back { text-align: center; }
.post-nav .is-back b { color: var(--blue); }

@media (max-width: 640px) {
  /* 资讯 tabs：窄屏允许两行，条数独起一行右对齐，避免和最后一个 tab 挤在一起 */
  .news-tabs { gap: 2px 20px; }
  .news-tab { font-size: 13.5px; }
  .news-live {
    width: 100%;
    margin-left: 0;
    padding: 8px 0 0;
    text-align: right;
  }
  .post-item { padding: 24px 0; }
  .post-item::before { display: none; }
  .post-item h3 { font-size: 18px; }
  .article-body { font-size: 15.5px; line-height: 1.9; }
  .article-body h2 { margin-top: 44px; }
  .post-nav { grid-template-columns: 1fr; }
}

/* 无障碍：减少动态偏好 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
  .reveal, .rows .row, .cards.stagger .card, .hero .hero-badge, .hero h1, .hero-sub, .hero-actions, .hero-stats { opacity: 1 !important; transform: none !important; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 860px) {
  .section { padding: 64px 0; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .compare { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr; gap: 14px; padding: 28px 4px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step { border-bottom: 0.5px solid var(--line); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    gap: 18px;
    border-bottom: 0.5px solid var(--line);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  /* 移动端：下拉改为常显缩进列表，只留产品名 */
  .nav-drop { display: block; width: 100%; height: auto; }
  .nav-caret { display: none; }
  .nav-drop-trigger::after { display: none !important; }
  .nav-drop-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    width: 100%;
    margin-top: 10px;
    padding: 2px 0 0 12px;
    background: transparent;
    border: 0;
    border-left: 2px solid rgba(51, 112, 255, 0.16);
    border-radius: 0;
    box-shadow: none;
    gap: 0;
  }
  .nav-drop-menu::before { display: none; }
  .nav-drop-menu a { padding: 7px 10px; }
  .nav-drop-menu a em { display: none; }
  .nav-drop-menu a b { font-size: 13px; font-weight: 400; color: var(--ink-2); }
  .nav-drop-menu a:hover { background: transparent; }
  .hero { padding-top: calc(var(--nav-h) + 56px); }
  .hero-stats { gap: 20px; }
  .cta-band { padding: 44px 24px; }
}

/* ============================================================
   产品形态截图位（产品页各 Tab）
   16:9 用浏览器框，9:16 用手机框；内部复用 .img-slot 的占位/轮播机制
   ============================================================ */
.shot-row { display: grid; gap: 20px; margin-top: 40px; }
.shot-row.c1 { grid-template-columns: 1fr; }
.shot-row.c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.shot-row.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.shot-row.phones {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
  gap: 26px;
}

.shot { margin: 0; min-width: 0; display: flex; flex-direction: column; }

/* —— 16:9：浏览器外框 —— */
.shot-win {
  border: 1px solid rgba(20, 30, 60, 0.13);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #12161d;
  box-shadow: 0 20px 48px -24px rgba(20, 30, 60, 0.42), 0 2px 8px rgba(20, 30, 60, 0.07);
}
.shot-bar {
  display: flex; align-items: center; gap: 6px;
  padding: 9px 13px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.shot-bar i { width: 9px; height: 9px; border-radius: 50%; flex: none; background: rgba(255, 255, 255, 0.2); }
.shot-bar i:nth-child(1) { background: #ff5f57; }
.shot-bar i:nth-child(2) { background: #febc2e; }
.shot-bar i:nth-child(3) { background: #28c840; }
.shot-url {
  margin-left: 8px;
  font-size: 11px; letter-spacing: 0.4px; color: #737d90;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 99px; padding: 2px 11px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* —— 截图主体（默认 16:9，深色屏幕底） —— */
.shot-body {
  border: 0;
  border-radius: 0;
  min-height: 0;
  padding: 14px;
  aspect-ratio: 16 / 9;
  background-color: #0e1218;
  color: #6d7889;
  font-size: 12px;
}
.shot-body::before {
  content: "";
  width: 34px; height: 24px;
  border: 1.5px dashed rgba(148, 170, 200, 0.34);
  border-radius: 4px;
}
.shot-body .slot-tag {
  background: rgba(255, 255, 255, 0.07);
  border: 0.5px solid rgba(255, 255, 255, 0.12);
  color: #b7c0cf;
}
.shot-body .slot-size { color: #5e6879; }
.shot-body.has-img::before { display: none; }

/* —— 9:16：手机外框 —— */
.shot-phone {
  position: relative;
  width: 100%;
  max-width: 262px;
  margin: 0 auto;
  padding: 9px;
  border-radius: 32px;
  background: linear-gradient(162deg, #2b313c 0%, #161a21 100%);
  box-shadow: 0 22px 46px -22px rgba(20, 30, 60, 0.5), 0 2px 10px rgba(20, 30, 60, 0.1),
              inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}
.shot-notch {
  position: absolute;
  top: 13px; left: 50%;
  transform: translateX(-50%);
  width: 56px; height: 14px;
  border-radius: 8px;
  background: #0b0e13;
  border: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 3;
}
.shot-phone .shot-body {
  aspect-ratio: 9 / 16;
  border-radius: 24px;
  padding: 20px 12px;
}

/* —— 图注 —— */
.shot-cap {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-3);
  text-align: center;
}
.shot-cap b { color: var(--ink-2); font-weight: 600; }

/* ============================================================
   未发布 Tab（明序 GEO）+ 轻提示 Toast
   ============================================================ */
.prod-tab.is-soon {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #a8aeb9;
  cursor: not-allowed;
}
.prod-tab.is-soon:hover { color: #a8aeb9; background: transparent; }
.prod-tab.is-soon.active { background: transparent; box-shadow: none; }
.prod-tab.is-soon::after { display: none !important; }
.tab-soon {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.4px;
  line-height: 1.7;
  color: #a97c2f;
  background: #fdf6e8;
  border: 0.5px solid #f0e0b8;
  border-radius: 99px;
  padding: 1px 8px;
}
.mx-toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  z-index: 9999;
  max-width: min(90vw, 440px);
  padding: 11px 20px;
  font-size: 14px;
  line-height: 1.6;
  color: #fff;
  background: rgba(20, 24, 32, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 99px;
  backdrop-filter: blur(8px);
  box-shadow: 0 12px 34px -10px rgba(10, 16, 30, 0.5);
  opacity: 0;
  transform: translate(-50%, 12px);
  pointer-events: none;
  transition: opacity 0.24s ease, transform 0.24s ease;
}
.mx-toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 900px) {
  .shot-row.c2, .shot-row.c3 { grid-template-columns: 1fr; }
  .shot-row.phones { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .shot-row.phones { grid-template-columns: 1fr; max-width: 300px; }
  .shot-url { display: none; }
  .mx-toast { bottom: 24px; font-size: 13px; }
}

/* —— 空态示意线框：没有截图时也能看出产品形态（有图时自动让位） —— */
.shot-body { align-items: flex-end; justify-content: flex-start; padding: 12px 14px; }
.shot-body .slot-tag, .shot-body .slot-size { align-self: flex-end; }
.shot-phone .shot-body { padding: 30px 10px 10px; }
.shot-body::before {
  content: "";
  position: absolute;
  inset: 0;
  width: auto; height: auto;
  border: 0; border-radius: 0;
  background-image: url("data:image/svg+xml;base64,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");
  background-size: 100% 100%;
  background-repeat: no-repeat;
}
.shot-phone .shot-body::before {
  background-image: url("data:image/svg+xml;base64,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");
}
.shot-body .slot-tag, .shot-body .slot-size { position: relative; z-index: 2; }
.shot-body .slot-tag {
  background: rgba(10, 13, 18, 0.9);
  border-color: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(4px);
}
.shot-body .slot-size { color: #66707f; }

/* 照片类槽位：用图片图标占位（不套界面线框） */
.shot-photo .shot-body::before {
  background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAxMjAgODQiPgo8cmVjdCB4PSIyIiB5PSIyIiB3aWR0aD0iMTE2IiBoZWlnaHQ9IjgwIiByeD0iNiIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJyZ2JhKDI1NSwyNTUsMjU1LDAuMTYpIiBzdHJva2Utd2lkdGg9IjEuNSIvPgo8Y2lyY2xlIGN4PSIzOCIgY3k9IjI4IiByPSI4IiBmaWxsPSJyZ2JhKDI1NSwyNTUsMjU1LDAuMTYpIi8+CjxwYXRoIGQ9Ik0xMCA3MCBMNDIgMzQgTDYyIDU2IEw3OCA0MiBMMTEwIDcwIFoiIGZpbGw9InJnYmEoMjU1LDI1NSwyNTUsMC4xMykiLz4KPC9zdmc+");
  background-size: 118px auto;
  background-position: center 46%;
  background-repeat: no-repeat;
}

/* 深色带里的截图框：提高框体可见度 */
.section-dark .shot-win {
  background: #0b0e14;
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 20px 48px -22px rgba(0, 0, 0, 0.6);
}
.section-dark .shot-bar { background: rgba(255, 255, 255, 0.06); }
.section-dark .shot-cap { color: var(--dark-text-2); }
.section-dark .shot-cap b { color: #dfe4ee; }

/* ============================================================
   HERO 两栏：左文案 / 右「AI 运营中枢」可视化
   ============================================================ */
/* 两栏用 flex 自适应：文案占弹性宽度，可视化按自身尺寸固定，间距用 clamp 随视口收放 */
/* 两栏用 grid：文案吃掉弹性宽度，可视化按舞台尺寸定宽，
   间距用 clamp 固定上限——版心变宽时多出的宽度进文案，不进空隙 */
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(40px, 5vw, 104px);
  min-height: 0;
}
.hero-copy {
  position: relative;
  z-index: 3;
  min-width: 0;
}

/* 视觉区（右） */
.hero-visual {
  --stage: clamp(340px, min(34vw, 56vh), 600px);  /* 边长同时受宽与高约束：矮屏自动缩小，给统计行让位 */
  position: relative;
  z-index: 2;
  width: var(--stage);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* 背景光晕 */
.hv-halo {
  position: absolute;
  top: 46%; left: 50%;
  width: calc(var(--stage) * 1.545);
  height: calc(var(--stage) * 1.545);
  margin: calc(var(--stage) * -0.7725) 0 0 calc(var(--stage) * -0.7725);
  background:
    radial-gradient(circle, rgba(51,112,255,.22) 0%, rgba(20,192,255,.09) 30%, transparent 60%),
    radial-gradient(circle at 62% 62%, rgba(127,119,221,.14) 0%, transparent 46%);
  filter: blur(4px);
  animation: hv-halo 8s ease-in-out infinite;
  pointer-events: none;
}
@keyframes hv-halo {
  0%, 100% { opacity: .78; transform: scale(1); }
  50%      { opacity: 1; transform: scale(1.07); }
}

/* 舞台 */
.hv-stage { position: relative; width: var(--stage); height: var(--stage); flex: none; z-index: 2; }

.hv-ring { position: absolute; border-radius: 50%; pointer-events: none; }
.hv-ring.r3 { inset: 0; border: 1px solid rgba(120,160,255,.09); }
.hv-ring.r2 {
  inset: 12%;
  border: 1px dashed rgba(120,160,255,.17);
  animation: hv-spin 44s linear infinite;
}
.hv-ring.r1 { inset: 27%; border: 1px solid rgba(120,160,255,.12); }
@keyframes hv-spin { to { transform: rotate(360deg); } }

/* 七条辐射线：与 7 个节点角度对齐 */
.hv-spokes {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: repeating-conic-gradient(from 0deg,
    rgba(125,170,255,.34) 0deg, rgba(125,170,255,.34) .45deg,
    transparent .45deg, transparent 51.4286deg);
  -webkit-mask: radial-gradient(circle at 50% 50%, #000 24%, transparent 90%);
  mask: radial-gradient(circle at 50% 50%, #000 24%, transparent 90%);
  opacity: .75;
  pointer-events: none;
}

/* 雷达扫描 */
.hv-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg,
    rgba(51,112,255,0) 0deg,
    rgba(51,112,255,.015) 200deg,
    rgba(51,112,255,.16) 332deg,
    rgba(140,205,255,.30) 356deg,
    rgba(140,205,255,0) 360deg);
  -webkit-mask: radial-gradient(circle at 50% 50%, transparent 23%, #000 29%, #000 97%, transparent 100%);
  mask: radial-gradient(circle at 50% 50%, transparent 23%, #000 29%, #000 97%, transparent 100%);
  animation: hv-spin 9s linear infinite;
  pointer-events: none;
}

/* 轨道粒子 */
.hv-particle {
  position: absolute;
  top: 50%; left: 50%;
  width: var(--s, 6px); height: var(--s, 6px);
  margin: calc(var(--s, 6px) / -2);
  border-radius: 50%;
  background: #a9dcff;
  box-shadow: 0 0 10px 2px rgba(130,195,255,.85), 0 0 24px 7px rgba(51,112,255,.32);
  animation: hv-orbit var(--d, 14s) linear infinite;
  animation-delay: var(--dl, 0s);
  pointer-events: none;
}
@keyframes hv-orbit {
  from { transform: rotate(0deg) translateX(var(--r, 130px)); }
  to   { transform: rotate(360deg) translateX(var(--r, 130px)); }
}

/* 七大中心节点 */
.hv-node {
  position: absolute;
  top: 50%; left: 50%;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px 5px 8px;
  border-radius: 99px;
  background: rgba(13, 17, 25, .94);
  border: 1px solid rgba(120,160,255,.18);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  font-size: 11px;
  letter-spacing: .4px;
  color: #aebdd4;
  white-space: nowrap;
  transform: translate(-50%, -50%) rotate(var(--a)) translateY(calc(var(--stage) * -0.375)) rotate(calc(-1 * var(--a)));
  animation: hv-node-glow 8.4s ease-in-out infinite;
  animation-delay: calc(var(--i, 0) * -1.2s);
}
.hv-node i { width: 5px; height: 5px; border-radius: 50%; flex: none; }
.hv-node i.c-blue   { background: #3370ff; box-shadow: 0 0 7px rgba(51,112,255,.9); }
.hv-node i.c-cyan   { background: #14c0ff; box-shadow: 0 0 7px rgba(20,192,255,.9); }
.hv-node i.c-purple { background: #7f77dd; box-shadow: 0 0 7px rgba(127,119,221,.9); }
.hv-node i.c-green  { background: #1d9e75; box-shadow: 0 0 7px rgba(29,158,117,.9); }
@keyframes hv-node-glow {
  0%, 80%, 100% { border-color: rgba(120,160,255,.16); box-shadow: none; color: #aebdd4; }
  86%           { border-color: rgba(150,205,255,.62); box-shadow: 0 0 20px rgba(51,112,255,.42); color: #f1f7ff; }
}

/* 核心球 */
.hv-core {
  position: absolute;
  top: 50%; left: 50%;
  width: calc(var(--stage) * 0.3);
  height: calc(var(--stage) * 0.3);
  margin: calc(var(--stage) * -0.15) 0 0 calc(var(--stage) * -0.15);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  background: radial-gradient(circle at 50% 36%, rgba(78,140,255,.44), rgba(14,19,29,.97) 70%);
  border: 1px solid rgba(135,185,255,.45);
  box-shadow: 0 0 44px rgba(51,112,255,.38), inset 0 0 32px rgba(51,112,255,.22);
  z-index: 3;
}
.hv-core b { font-size: 11.5px; letter-spacing: 1.5px; color: #eef4ff; font-weight: 600; }
.hv-core small { font-size: 10.5px; letter-spacing: 3px; color: rgba(155,190,240,.82); padding-left: 3px; }
.hv-core-pulse {
  position: absolute;
  inset: -13px;
  border-radius: 50%;
  border: 1px solid rgba(125,182,255,.38);
  animation: hv-pulse 3.4s ease-out infinite;
  pointer-events: none;
}
@keyframes hv-pulse {
  0%   { transform: scale(.9);  opacity: .75; }
  100% { transform: scale(1.38); opacity: 0; }
}

/* 漂浮任务卡 */
.hv-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border-radius: 99px;
  background: rgba(18, 24, 34, .92);
  border: 1px solid rgba(120,160,255,.2);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  font-size: 11px;
  letter-spacing: .2px;
  color: #bfcde2;
  white-space: nowrap;
  box-shadow: 0 12px 28px -14px rgba(0,0,0,.85);
  animation: hv-float 6.5s ease-in-out infinite;
  z-index: 4;
}
.hv-chip i {
  width: 5px; height: 5px;
  border-radius: 50%;
  flex: none;
  background: #3ddc97;
  box-shadow: 0 0 8px rgba(61,220,151,.9);
}
.hv-chip b { color: #7fd8ff; font-weight: 600; }
.hv-chip.c1 { left: -10px; top: 0; }
.hv-chip.c2 { right: 24px; top: 0; animation-delay: -2.2s; }   /* 右移会被竖排标识压到，收进舞台内 34px */
.hv-chip.c3 { right: -4px; bottom: 54px; animation-delay: -4.4s; }
@keyframes hv-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-7px); }
}

/* 底部实时日志 */
.hv-feed {
  position: relative;
  z-index: 5;
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  max-width: 100%;
  padding: 8px 16px;
  border-radius: 99px;
  background: rgba(15, 20, 29, .82);
  border: 1px solid rgba(120,160,255,.15);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  font-size: 11.5px;
  color: #9aabc3;
  letter-spacing: .2px;
}
.hv-feed-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex: none;
  background: #14c0ff;
  box-shadow: 0 0 9px rgba(20,192,255,.9);
  animation: hv-blink 1.7s ease-in-out infinite;
}
@keyframes hv-blink { 0%, 100% { opacity: 1; } 50% { opacity: .22; } }
.hv-feed-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: opacity .32s ease, transform .32s ease;
}
.hv-feed-text.swap { opacity: 0; transform: translateY(6px); }

/* 窄屏：首屏以文案与 CTA 为主 */
@media (max-width: 1180px) {
  .hero-inner { min-height: 0; grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero h1 { font-size: clamp(30px, 6.4vw, 48px); }
}

@media (prefers-reduced-motion: reduce) {
  .hv-halo, .hv-sweep, .hv-ring.r2, .hv-particle,
  .hv-node, .hv-core-pulse, .hv-chip, .hv-feed-dot { animation: none !important; }
}

/* ============================================================
   平台适配带（无缝 marquee）
   ============================================================ */
.plat-band {
  padding: 40px 0 46px;
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.plat-head {
  display: flex;
  align-items: baseline;
  gap: 14px 18px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}
.plat-kicker {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .5px;
  color: var(--ink);
}
.plat-kicker::after {
  content: "";
  display: inline-block;
  width: 26px;
  height: 1px;
  margin-left: 14px;
  vertical-align: 4px;
  background: linear-gradient(90deg, var(--blue), transparent);
}
.plat-desc { font-size: 14px; color: var(--ink-3); }

.plat-marquee {
  overflow: hidden;
  -webkit-mask: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  mask: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.plat-track {
  display: flex;
  width: max-content;
  animation: plat-run 34s linear infinite;
}
/* 每组自带尾部间距，平移一整组即无缝衔接 */
.plat-group { display: flex; gap: 12px; padding-right: 12px; flex: none; }
.plat-marquee:hover .plat-track { animation-play-state: paused; }
@keyframes plat-run {
  from { transform: translateX(0); }
  to   { transform: translateX(-25%); }
}
.plat-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px 11px 15px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 99px;
  font-size: 13.5px;
  color: var(--ink-2);
  white-space: nowrap;
  box-shadow: 0 2px 12px -8px rgba(20, 30, 60, .22);
  transition: border-color .25s, box-shadow .25s;
}
.plat-chip:hover { border-color: rgba(51,112,255,.35); box-shadow: 0 4px 16px -8px rgba(51,112,255,.3); }
.plat-chip b { font-weight: 600; color: var(--ink); }
.plat-chip span { color: var(--ink-3); font-size: 12.5px; }
.plat-chip::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 2px;
  flex: none;
  background: var(--blue);
  opacity: .6;
}
.plat-chip:nth-child(4n+2)::before { background: var(--cyan); }
.plat-chip:nth-child(4n+3)::before { background: var(--purple); }
.plat-chip:nth-child(4n+4)::before { background: var(--green); }

/* ============================================================
   痛点：左骨架 + 右岗位清单
   ============================================================ */
.pain-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 60px;
  align-items: center;
}
.pain-left .sec-title { margin-bottom: 18px; }
.pain-left .sec-sub { max-width: 100%; }
.pain-note {
  margin-top: 30px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border: 0.5px dashed rgba(20, 30, 60, .2);
  border-radius: 99px;
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: .3px;
}
.pain-note i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue);
  flex: none;
}

.job-list { display: flex; flex-direction: column; }
.job-row {
  display: grid;
  grid-template-columns: 42px 108px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 15px 10px 15px 8px;
  border-top: 0.5px solid var(--line);
  position: relative;
  transition: background .3s ease, padding-left .3s ease;
}
.job-row:last-child { border-bottom: 0.5px solid var(--line); }
.job-row::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 2px; height: 0;
  border-radius: 2px;
  background: linear-gradient(to bottom, var(--blue), var(--cyan));
  transform: translateY(-50%);
  transition: height .3s ease;
}
.job-row:hover { background: rgba(51,112,255,.035); padding-left: 16px; }
.job-row:hover::before { height: 22px; }
.job-row .jn {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--ink-3);
  opacity: .75;
}
.job-row b { font-size: 15px; font-weight: 600; color: var(--ink); letter-spacing: .3px; }
.job-row em {
  font-style: normal;
  font-size: 14px;
  color: var(--ink-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============================================================
   产品速览 bento
   ============================================================ */
.bento {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 130px;
  gap: 14px;
  margin-top: 46px;
}
.bento-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px 22px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, .075);
  background: linear-gradient(158deg, rgba(255,255,255,.052), rgba(255,255,255,.012));
  overflow: hidden;
  transition: border-color .35s ease, transform .35s ease, background .35s ease;
  text-decoration: none;
}
.bento-cell::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(140,185,255,.28), transparent);
  opacity: 0;
  transition: opacity .35s ease;
}
.bento-cell:hover {
  border-color: rgba(120, 175, 255, .34);
  background: linear-gradient(158deg, rgba(255,255,255,.075), rgba(255,255,255,.02));
  transform: translateY(-3px);
}
.bento-cell:hover::after { opacity: 1; }

.bento-cell.big {
  grid-column: span 2;
  grid-row: span 2;
  padding: 26px 28px;
  background:
    radial-gradient(120% 100% at 12% 0%, rgba(51,112,255,.16) 0%, transparent 58%),
    linear-gradient(158deg, rgba(255,255,255,.06), rgba(255,255,255,.014));
  border-color: rgba(120, 175, 255, .2);
}

.bento-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11.5px;
  letter-spacing: 1.2px;
  color: rgba(160, 180, 210, .85);
  margin-bottom: 8px;
}
.bento-tag i { width: 5px; height: 5px; border-radius: 50%; flex: none; }
.bento-tag i.c-blue   { background: var(--blue); box-shadow: 0 0 7px rgba(51,112,255,.85); }
.bento-tag i.c-cyan   { background: var(--cyan); box-shadow: 0 0 7px rgba(20,192,255,.85); }
.bento-tag i.c-purple { background: var(--purple); box-shadow: 0 0 7px rgba(127,119,221,.85); }
.bento-tag i.c-green  { background: var(--green); box-shadow: 0 0 7px rgba(29,158,117,.85); }

.bento-cell h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--dark-text);
  letter-spacing: .4px;
  margin-bottom: 4px;
}
.bento-cell p {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--dark-text-2);
}
.bento-cell.big h3 {
  font-size: 26px;
  font-weight: 600;
  color: #fff;
  letter-spacing: .6px;
  margin-bottom: 10px;
}
.bento-cell.big p {
  font-size: 14px;
  line-height: 1.75;
  max-width: 330px;
  color: var(--dark-text-2);
}

/* 大格里的声波（呼吸动画） */
.bento-wave {
  position: absolute;
  right: 24px;
  top: 26px;
  display: flex;
  align-items: center;
  gap: 3px;
  height: 46px;
  opacity: .8;
}
.bento-wave b {
  display: block;
  width: 3px;
  height: 12px;
  border-radius: 2px;
  background: linear-gradient(to top, rgba(51,112,255,.85), rgba(20,192,255,.5));
  animation: bento-wave 1.9s ease-in-out infinite;
}
.bento-wave b:nth-child(1)  { animation-delay: 0s; }
.bento-wave b:nth-child(2)  { animation-delay: .1s; }
.bento-wave b:nth-child(3)  { animation-delay: .2s; }
.bento-wave b:nth-child(4)  { animation-delay: .3s; }
.bento-wave b:nth-child(5)  { animation-delay: .4s; }
.bento-wave b:nth-child(6)  { animation-delay: .5s; }
.bento-wave b:nth-child(7)  { animation-delay: .6s; }
.bento-wave b:nth-child(8)  { animation-delay: .7s; }
.bento-wave b:nth-child(9)  { animation-delay: .8s; }
.bento-wave b:nth-child(10) { animation-delay: .9s; }
.bento-wave b:nth-child(11) { animation-delay: 1s; }
.bento-wave b:nth-child(12) { animation-delay: 1.1s; }
@keyframes bento-wave {
  0%, 100% { height: 10px; opacity: .45; }
  50%      { height: 42px; opacity: 1; }
}

/* CTA 格 */
.bento-cell.cta {
  grid-column: span 2;
  justify-content: center;
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(20,192,255,.14) 0%, transparent 60%),
    linear-gradient(158deg, rgba(51,112,255,.12), rgba(51,112,255,.03));
  border-color: rgba(120, 175, 255, .24);
}
.bento-cell.cta .arr {
  display: inline-block;
  color: var(--cyan);
  transition: transform .3s ease;
}
.bento-cell.cta:hover .arr { transform: translateX(5px); }
.bento-cell.cta .bento-tag { color: rgba(150, 200, 255, .9); }

@media (max-width: 960px) {
  .pain-grid { grid-template-columns: 1fr; gap: 36px; }
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 124px; }
  .bento-cell.big, .bento-cell.cta { grid-column: span 2; }
  .bento-cell.big { grid-row: span 1; }
  .bento-wave { display: none; }
}
@media (max-width: 560px) {
  .bento { grid-template-columns: 1fr; }
  .bento-cell.big, .bento-cell.cta { grid-column: span 1; }
  .job-row { grid-template-columns: 34px 92px minmax(0, 1fr); }
  .job-row em { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  .plat-track, .bento-wave b { animation: none !important; }
  .bento-wave b { height: 20px; }
}

/* ============================================================
   关于明序（公司模块）
   ============================================================ */
.glance {
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr);
  gap: 56px;
  align-items: center;
}
.glance-copy .sec-title { margin-bottom: 18px; }
.glance-copy .sec-sub { max-width: 100%; }
.glance-actions { margin-top: 30px; display: flex; gap: 12px; flex-wrap: wrap; }

.glance-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.glance-card {
  position: relative;
  padding: 22px 20px 20px;
  background: #fff;
  border: 0.5px solid var(--line);
  border-radius: 14px;
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.glance-card:hover {
  transform: translateY(-3px);
  border-color: rgba(51,112,255,.3);
  box-shadow: 0 14px 30px -18px rgba(20,30,60,.3);
}
.g-no {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.4px;
  color: var(--blue);
  opacity: .62;
  margin-bottom: 10px;
}
.glance-card h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
  letter-spacing: .3px;
}
.glance-card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-3);
}

@media (max-width: 960px) {
  .glance { grid-template-columns: 1fr; gap: 34px; }
}
@media (max-width: 560px) {
  .glance-cards { grid-template-columns: 1fr; }
}

/* 窄屏：hero 内的散点装饰会压住文字，统一隐去 */
@media (max-width: 1080px) {
  .hero > .geo { display: none; }
  .hero { padding-top: calc(var(--nav-h) + 64px); padding-bottom: 72px; }
  .hero-stats { margin-top: 48px; }
}
@media (max-width: 560px) {
  /* 收窄最小字号：390 宽时「一支团队一样做线上运营」正好一行，不会只剩一个「营」 */
  .hero h1 { font-size: clamp(25px, 7.05vw, 38px); line-height: 1.3; }
  .hero-sub { font-size: 15px; }
  .plat-chip { padding: 9px 14px 9px 12px; font-size: 12.5px; }
  .section { padding: 72px 0; }
}

/* ==========================================================================
   产品页 v2 —— 布局参考 workbuddy.cn
   · 首屏居中：小标 + 大标题 + 居中说明 + 双按钮 + 胶囊切换器
   · 分区头两栏：标题居左、说明居右（对齐基线），其余内容整幅
   · 留白加大、标题字号加大、说明收窄到 400px 左右的第二栏
   只作用于 body.v2（product.html），其它页零影响
   ========================================================================== */

/* ---------- 1. 首屏：改为居中，白底 + 顶部柔光 ---------- */
.v2 .page-hero-prod {
  background:
    radial-gradient(140% 100% at 50% -20%, #eef3ff 0%, rgba(255, 255, 255, 0) 58%),
    #fff;
  border-bottom: 0;
  padding: calc(var(--nav-h) + 88px) 0 clamp(44px, 4.6vw, 68px);
  text-align: center;
}
/* 柔光球：给居中标题一个视觉承托，不抢文字 */
.v2 .page-hero-prod::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 4%;
  width: min(1180px, 96vw);
  height: 560px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side,
      rgba(51, 112, 255, 0.12),
      rgba(20, 192, 255, 0.06) 52%,
      rgba(255, 255, 255, 0) 76%);
  pointer-events: none;
  z-index: 0;
}
.v2 .page-hero-prod .container { z-index: 2; }

.v2 .ph-prod .crumb {
  display: block;
  margin-bottom: 26px;
  font-size: 12px;
  letter-spacing: 2.6px;
  color: var(--ink-3);
}

/* 产品切换器：白底胶囊 + 选中态压深（参考站的分段控件语言） */
.v2 .ph-prod .prod-tabs {
  display: inline-flex;
  margin: 0 auto clamp(34px, 4vw, 54px);
  padding: 5px;
  gap: 2px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 1px 2px rgba(31, 35, 41, 0.04);
}
.v2 .ph-prod .prod-tab { font-size: 13.5px; padding: 9px 18px; }
.v2 .ph-prod .prod-tab.active {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 6px 16px -8px rgba(31, 35, 41, 0.5);
}
.v2 .ph-prod .prod-tab.active:hover { color: #fff; }
.v2 .ph-prod .prod-tab.is-soon.active { background: var(--ink); }

/* 标题与说明：单列居中 */
.v2 .ph-prod .prod-hero-panel h1,
.v2 .ph-prod .prod-hero-panel .hero-h {
  font-size: clamp(38px, 5.5vw, 72px);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -1.2px;
  max-width: 18ch;
  margin: 0 auto;
}
.v2 .ph-prod .prod-hero-panel .sec-sub {
  border-left: 0;
  padding-left: 0;
  margin: 22px auto 0;
  max-width: 640px;
  font-size: 16.5px;
  line-height: 1.85;
  text-align: center;
}
.v2 .ph-prod .hero-actions {
  margin-top: 34px;
  justify-content: center;
  gap: 14px;
}
.v2 .ph-prod .btn { padding: 14px 30px; border-radius: 999px; font-size: 15px; }

@media (min-width: 1001px) {
  .v2 .ph-prod .prod-hero-panel {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "title"
      "sub"
      "actions";
    justify-items: center;
    text-align: center;
    row-gap: 0;
  }
  .v2 .ph-prod .prod-hero-panel .sec-sub { align-self: auto; }
}

/* ---------- 2. 分区节奏与两栏分区头 ---------- */
.v2 .section { padding: clamp(64px, 6.6vw, 100px) 0; }
.v2 .section-soft { background: #f8f9fb; }

/* 首屏下方的「产品矩阵」不是独立章节，只是切换器的说明：压成引导带 */
.v2 #matrix {
  padding: clamp(56px, 6vw, 88px) 0 clamp(58px, 6.2vw, 92px);
}
.v2 #matrix .sec-title { font-size: clamp(25px, 2.7vw, 36px); letter-spacing: -0.3px; }
.v2 #matrix .sec-sub { font-size: 14.5px; line-height: 1.85; }

/* 四种形态的矩阵卡：既是说明，也是切换入口 */
.v2 .matrix-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: clamp(34px, 3.8vw, 52px);
}
.v2 .matrix-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  text-align: left;
  gap: 0;
  padding: 24px 22px 22px;
  background: #fff;
  border: 1px solid #ebedf1;
  border-radius: 16px;
  font: inherit;
  color: inherit;
  cursor: pointer;
  transition: border-color var(--dur-mid) var(--ease-out),
              box-shadow var(--dur-mid) var(--ease-out),
              transform var(--dur-mid) var(--ease-out);
}
.v2 .matrix-card:hover {
  border-color: #cfd6e2;
  box-shadow: 0 14px 34px -22px rgba(31, 35, 41, 0.32);
  transform: translateY(-3px);
}
.v2 .matrix-card:focus-visible {
  outline: 2px solid var(--blue, #3370ff);
  outline-offset: 3px;
}
.v2 .matrix-card.is-active {
  border-color: #c4d2ff;
  background: linear-gradient(180deg, #f7f9ff 0%, #fff 62%);
}

.v2 .mc-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}
.v2 .mc-no {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 1px;
  color: #b3bac6;
}
.v2 .mc-tag {
  font-size: 11px;
  line-height: 1;
  padding: 5px 8px;
  border-radius: 999px;
  color: #5c6572;
  background: #f3f5f8;
}
.v2 .mc-tag.tag-soon { color: #8a6a2f; background: #fdf6e6; }

.v2 .mc-name {
  display: block;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.2px;
  margin-bottom: 10px;
}
.v2 .mc-desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--ink-3, #6b7280);
  margin-bottom: 18px;
}
.v2 .mc-go {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  font-size: 12.5px;
  color: var(--blue, #3370ff);
  transition: gap var(--dur-fast, .18s) var(--ease-out);
}
.v2 .matrix-card:hover .mc-go { gap: 10px; }

/* 内测产品：弱化但保留存在感 */
.v2 .matrix-card.is-soon { cursor: default; background: #fbfbfc; }
.v2 .matrix-card.is-soon .mc-name,
.v2 .matrix-card.is-soon .mc-desc { color: #9aa1ad; }
.v2 .matrix-card.is-soon .mc-go { color: #a8afba; }
.v2 .matrix-card.is-soon:hover {
  transform: none;
  border-color: #ebedf1;
  box-shadow: none;
}
.v2 .matrix-card.is-soon:hover .mc-go { gap: 6px; }

@media (max-width: 1000px) {
  .v2 .matrix-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
}
@media (max-width: 560px) {
  .v2 .matrix-grid { grid-template-columns: 1fr; gap: 12px; margin-top: 26px; }
  .v2 .matrix-card { padding: 20px 18px 18px; }
  .v2 .mc-desc { margin-bottom: 14px; }
}

.v2 .sec-label {
  font-size: 12px;
  letter-spacing: 2.4px;
  margin-bottom: 20px;
}
.v2 .sec-title {
  font-size: clamp(28px, 3.6vw, 43px);
  line-height: 1.28;
  letter-spacing: -0.4px;
  margin-bottom: 16px;
  text-wrap: balance;          /* 两栏后标题可用宽度变窄，避免最后一行只剩一个字 */
}
.v2 .sec-sub { font-size: 15.5px; line-height: 1.9; }

@media (min-width: 1001px) {
  .v2 .section > .container {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 400px);
    column-gap: clamp(44px, 6vw, 104px);
    align-items: end;
  }
  .v2 .section > .container > .sec-label {
    grid-column: 1 / -1;
  }
  .v2 .section > .container > .sec-title {
    grid-column: 1;
    margin-bottom: 0;
  }
  .v2 .section > .container > .sec-sub {
    grid-column: 2;
    max-width: none;
    margin-bottom: 4px;
  }
  .v2 .section > .container > *:not(.sec-label):not(.sec-title):not(.sec-sub) {
    grid-column: 1 / -1;
  }
}

/* 窄屏：恢复单列堆叠，标题与说明紧挨着 */
@media (max-width: 1000px) {
  .v2 .page-hero-prod { padding: calc(var(--nav-h) + 62px) 0 68px; }
  .v2 .ph-prod .prod-hero-panel h1,
  .v2 .ph-prod .prod-hero-panel .hero-h {
    font-size: clamp(30px, 7.4vw, 44px);
    letter-spacing: -0.6px;
  }
  .v2 .ph-prod .prod-hero-panel .sec-sub { font-size: 15.5px; margin-top: 16px; }
  .v2 .ph-prod .hero-actions { margin-top: 26px; }
  .v2 .section { padding: 72px 0; }
  .v2 .sec-title { margin-bottom: 12px; }
}
@media (max-width: 560px) {
  .v2 .section { padding: 60px 0; }
  .v2 .ph-prod .prod-tab { font-size: 12.5px; padding: 8px 12px; }
  .v2 .ph-prod .btn { padding: 13px 26px; }
}

/* ---------- 3. 卡片语言：统一的圆角与浮起感 ---------- */
.v2 .cards > * {
  border-radius: 16px;
  background: #fcfcfd;
  border: 1px solid #ebedf1;
  transition: border-color var(--dur-mid) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out), transform var(--dur-mid) var(--ease-out);
}
.v2 .cards > *:hover {
  border-color: #d9dde5;
  box-shadow: 0 10px 28px -18px rgba(31, 35, 41, 0.28);
  transform: translateY(-2px);
}
.v2 .section-soft .cards > * { background: #fff; }

/* ---------- 4. 七步流程：6+1 的残行改成 4+3 ---------- */
.v2 .steps[style*="minmax(200px"] {
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
}
@media (max-width: 1000px) {
  .v2 .steps[style*="minmax(200px"] { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
}
@media (max-width: 560px) {
  .v2 .steps[style*="minmax(200px"] { grid-template-columns: 1fr !important; }
}

/* ==========================================================================
   首页对齐产品页（v2 作用域的补充规则）
   · 首屏按钮统一胶囊、hero 与产品页同一套按钮语言
   · 没有右侧说明的分区，标题通栏，避免右半页空着
   ========================================================================== */
.v2 .hero-actions .btn {
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 15px;
}

@media (min-width: 1001px) {
  .v2 .section > .container:not(:has(.sec-sub)) > .sec-title {
    grid-column: 1 / -1;
  }
}

/* 四条业务线卡片：1400 宽的容器放 5 列会空出最后一格，锁定 4 列 */
@media (min-width: 1001px) {
  .v2 .cards[style*="minmax(240px"] { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
}
@media (max-width: 1000px) {
  .v2 .cards[style*="minmax(240px"] { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
}
@media (max-width: 560px) {
  .v2 .cards[style*="minmax(240px"] { grid-template-columns: 1fr !important; }
}

/* 首页六步流程：固定 6 列，避免宽屏出现残列 */
@media (min-width: 1001px) {
  .v2 .steps:not([style]) { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}
@media (max-width: 1000px) and (min-width: 561px) {
  .v2 .steps:not([style]) { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .v2 .steps:not([style]) { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* FAQ：通栏后 1040 的上限在大屏上偏窄，右侧留白过多 */
@media (min-width: 1001px) {
  .v2 .faq { max-width: 1180px; }
}