/* ===========================================================================
   盈通ERP-V7官网 · 共享样式
   ---------------------------------------------------------------------------
   官网改版 · 工业科技蓝（industrial tech-blue）明色主题。
   色彩 60/30/10：冷白底 + 深海军蓝主导 + 电光蓝渐变唯一强调。
   记忆点：Hero 蓝图网格 + 标题里的电光蓝渐变强调词 + 大量留白。
   纯静态站点，无构建步骤：所有页面共用这一份 CSS。
   🔴 :root 变量名全部保留（register.html 内联 <style> 与 site.js 依赖）。
   =========================================================================== */

:root {
  --primary: #153f8f;        /* 深海军蓝：按钮/链接/实心块 */
  --primary-hover: #0f3170;
  --primary-light: #e9f0fc;  /* 海军蓝浅底 */
  --accent: #1f6feb;         /* 电光蓝强调：sec-tag、编号、hover 线 */
  --accent-deep: #1a5fd0;    /* 强调文字级（小字对比 ≥ 4.5:1 用这个） */
  --grad: linear-gradient(92deg, #1f6feb, #06b6d4);
  --ok: #15803d;
  --ok-light: #e8f6ee;
  --warn: #b45309;
  --warn-light: #fdf3e3;
  --bad: #dc2626;
  --bad-light: #fdecec;
  --wip: #64748b;
  --wip-light: #eef2f7;
  --out: #0e7490;
  --out-light: #e3f4f8;

  --text: #0e1a30;
  --sub: #57657f;
  --border: #e3e9f2;         /* 冷调发丝线 */
  --bg: #f5f8fc;             /* 冷白 */
  --card: #ffffff;

  --serif: 'Noto Serif SC', 'Source Han Serif SC', 'STZhongsong', 'SimSun', serif;

  --radius: 10px;
  --radius-lg: 14px;
  --maxw: 1240px;
  --nav-h: 64px;
  --shadow-sm: 0 2px 10px rgba(14, 26, 48, 0.06);
  --shadow: 0 14px 34px rgba(14, 26, 48, 0.1);
  --shadow-primary: 0 18px 44px rgba(15, 49, 112, 0.18);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  /* 锚点跳转时别被吸顶导航盖住标题 */
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  font-family: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

img,
svg {
  display: block;
}

/* 全站键盘焦点环：电光蓝 2px */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* --------------------------------------------------------------- 顶部导航 */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: var(--nav-h);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-mark svg {
  width: 18px;
  height: 18px;
}

.logo small {
  font-weight: 400;
  color: var(--sub);
  font-size: 12px;
  margin-left: 6px;
}

.nav-links {
  display: flex;
  gap: 26px;
  margin-left: auto;
  font-size: 14px;
  color: var(--sub);
}

.nav-links a {
  position: relative;
  padding: 4px 0;
  transition: color 0.16s var(--ease-out);
}

/* hover：下划线从中间向两侧扫出 */
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -20px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.24s var(--ease-out);
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

/* 当前页高亮：由 site.js 依据 <body data-page> 打标 */
.nav-links a.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 8px;
  cursor: pointer;
  padding: 9px 8px;
  flex-direction: column;
  justify-content: space-between;
}

.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.2s var(--ease-out), opacity 0.2s var(--ease-out);
}

.nav-toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------- 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.16s var(--ease-out);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(15, 49, 112, 0.22);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(15, 49, 112, 0.28);
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border-color: rgba(21, 63, 143, 0.45);
}

.btn-ghost:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}

.btn-plain {
  background: var(--card);
  color: var(--text);
  border-color: var(--border);
}

.btn-plain:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
}

.btn-lg {
  padding: 13px 30px;
  font-size: 16px;
  border-radius: 11px;
}

.btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

/* --------------------------------------------------------------- 区块骨架 */
section {
  padding: 76px 0;
}

.section-tint {
  background: linear-gradient(180deg, #eef3fb 0%, #f5f8fc 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.sec-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.sec-head h1 {
  font-size: 36px;
  letter-spacing: -0.4px;
  font-weight: 600;
}

.sec-head h2 {
  font-size: 36px;
  letter-spacing: -0.4px;
  font-weight: 600;
}

.sec-head p {
  color: var(--sub);
  margin-top: 12px;
  font-size: 15px;
}

/* 区块小标：电光蓝字 + 渐变短横线（全站记忆点之一） */
.sec-tag {
  display: inline-block;
  color: var(--accent-deep);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 3.5px;
  text-transform: uppercase;
}

.sec-tag::before {
  content: '';
  display: block;
  width: 28px;
  height: 3px;
  border-radius: 2px;
  background: var(--grad);
  margin: 0 auto 10px;
}

/* --------------------------------------------------------------- Hero */
.hero {
  position: relative;
  padding: 88px 0 72px;
  background:
    /* 电光蓝氛围：右上径向渐变 + 左下青色辅光 */
    radial-gradient(680px 440px at 88% -8%, rgba(31, 111, 235, 0.1), transparent 62%),
    radial-gradient(520px 360px at -4% 24%, rgba(6, 182, 212, 0.07), transparent 56%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}

/* 蓝图网格：工业制图纸的细线（opacity 很低，不抢内容） */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image: linear-gradient(rgba(21, 63, 143, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 63, 143, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 92%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 92%);
}

.hero > .wrap {
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}

/* 白卡描边 + 电光蓝点 */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--accent-deep);
  font-size: 13px;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

.badge::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grad);
}

/* 主标题：大字 + em 电光蓝渐变强调词（全站最大记忆点） */
.hero h1 {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.12;
  margin: 20px 0 18px;
  letter-spacing: -1px;
}

.hero h1 em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--accent-deep);
}

.hero .sub {
  font-size: 17px;
  color: var(--sub);
  max-width: 520px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.hero-meta {
  margin-top: 24px;
  font-size: 13px;
  color: var(--sub);
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.tick-item::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-right: 6px;
  vertical-align: -2px;
  background: no-repeat center/contain
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><circle cx="8" cy="8" r="8" fill="%231F6FEB"/><path d="M4.5 8.2l2.3 2.3 4.7-4.9" stroke="white" stroke-width="1.8" fill="none" stroke-linecap="round"/></svg>');
}

/* 内页页头 */
.page-hero {
  padding: 64px 0 52px;
  background:
    radial-gradient(560px 300px at 50% -30%, rgba(31, 111, 235, 0.08), transparent 70%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.8px;
  margin: 14px 0 12px;
  line-height: 1.15;
}

.page-hero p {
  color: var(--sub);
  font-size: 16px;
  max-width: 640px;
  margin: 0 auto;
}

.crumb {
  font-size: 13px;
  color: var(--sub);
  font-variant-numeric: tabular-nums;
}

.crumb a:hover {
  color: var(--accent-deep);
}

/* --------------------------------------------------------------- 产品截图示意 */
.mock {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(15, 49, 112, 0.16);
  overflow: hidden;
  font-size: 12px;
}

.mock-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: #eef3fb;
}

/* 三点：海军蓝 / 电光蓝 / 青 */
.mock-bar i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: block;
}

.mock-bar i:nth-child(1) {
  background: #153f8f;
}

.mock-bar i:nth-child(2) {
  background: #1f6feb;
}

.mock-bar i:nth-child(3) {
  background: #06b6d4;
}

.mock-bar em {
  font-style: normal;
  margin-left: 10px;
  color: var(--sub);
  font-size: 11px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 2px 12px;
  border-radius: 6px;
}

.mock-body {
  display: grid;
  grid-template-columns: 118px 1fr;
  min-height: 320px;
}

.mock-side {
  border-right: 1px solid var(--border);
  padding: 12px 8px;
  background: #f8fafd;
}

.mock-side b {
  display: block;
  font-size: 11px;
  color: var(--sub);
  padding: 6px 10px;
  border-radius: 6px;
  font-weight: 500;
}

.mock-side b.on {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.mock-main {
  padding: 16px;
}

.mock-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.mock-stat {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
}

.mock-stat u {
  display: block;
  text-decoration: none;
  color: var(--sub);
  font-size: 11px;
}

.mock-stat b {
  font-size: 18px;
  letter-spacing: -0.3px;
  font-variant-numeric: tabular-nums;
}

.mock-stat b.up {
  color: var(--primary);
}

.mock-stat b.ok {
  color: var(--ok);
}

.mock-stat b.warn {
  color: var(--warn);
}

.mock-sec {
  margin-top: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.mock-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.8fr 0.9fr;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  align-items: center;
}

.mock-row:last-child {
  border-bottom: none;
}

.mock-row.head {
  background: #eef3fb;
  color: var(--sub);
  font-size: 11px;
}

.chip {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 500;
  white-space: nowrap;
}

.chip.wip {
  background: var(--wip-light);
  color: var(--wip);
}

.chip.ok {
  background: var(--ok-light);
  color: var(--ok);
}

.chip.warn {
  background: var(--warn-light);
  color: var(--warn);
}

.chip.blue {
  background: var(--primary-light);
  color: var(--primary);
}

.chip.out {
  background: var(--out-light);
  color: var(--out);
}

.chip.bad {
  background: var(--bad-light);
  color: var(--bad);
}

.prog {
  height: 6px;
  border-radius: 99px;
  background: var(--border);
  overflow: hidden;
}

.prog i {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: var(--grad);
}

/* --------------------------------------------------------------- 卡片 / 栅格 */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  counter-reset: card;
}

.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  counter-increment: card;
  transition: transform 0.16s var(--ease-out), box-shadow 0.16s var(--ease-out), border-color 0.16s var(--ease-out);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: rgba(31, 111, 235, 0.35);
}

/* 右上角淡蓝大编号 01~06 */
.card::after {
  content: counter(card, decimal-leading-zero);
  position: absolute;
  top: 16px;
  right: 20px;
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  color: rgba(31, 111, 235, 0.12);
  pointer-events: none;
  font-variant-numeric: tabular-nums;
}

.card .ico {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  border: 1px solid rgba(31, 111, 235, 0.28);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.card .ico svg {
  width: 20px;
  height: 20px;
}

.card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.card p {
  font-size: 14px;
  color: var(--sub);
}

/* 六张核心能力：统一「浅蓝底圆角方块 + 海军蓝图标」 */
.ico.b,
.ico.g,
.ico.a,
.ico.c,
.ico.r,
.ico.n {
  background: var(--primary-light);
  color: var(--primary);
}

.ico.a {
  color: var(--accent-deep);
}

.ico.r {
  color: var(--bad);
}

/* --------------------------------------------------------------- 八大模块：工程图纸式 hairline 网格表 */
.modules {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.mod {
  background: var(--card);
  padding: 22px;
  transition: background 0.16s var(--ease-out);
}

.mod:hover {
  background: #f2f7fe;
}

.mod b {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
}

.mod b i {
  font-style: normal;
  color: var(--accent-deep);
  font-size: 12.5px;
  margin-right: 8px;
  font-variant-numeric: tabular-nums;
}

.mod p {
  font-size: 13px;
  color: var(--sub);
}

/* --------------------------------------------------------------- 步骤：大数字 一/二/三 */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  counter-reset: step;
}

.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.step::before {
  counter-increment: step;
  content: counter(step, cjk-ideographic);
  font-size: 40px;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  display: block;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.step h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.step p {
  font-size: 14px;
  color: var(--sub);
}

/* --------------------------------------------------------------- 价格 */
.pricing {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  align-items: stretch;
}

.pricing.three {
  grid-template-columns: repeat(3, 1fr);
}

.plan {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
}

/* 推荐态：渐变顶边线 */
.plan.hot {
  border: 1px solid rgba(31, 111, 235, 0.4);
  border-top: 3px solid transparent;
  background:
    linear-gradient(var(--card), var(--card)) padding-box,
    var(--grad) border-box;
  box-shadow: var(--shadow);
  position: relative;
}

.plan.hot::after {
  content: '主推';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad);
  color: #ffffff;
  font-size: 12px;
  padding: 2px 14px;
  border-radius: 999px;
}

.plan h3 {
  font-size: 17px;
}

/* 价格数字：等宽数字 */
.plan .price {
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  font-weight: 700;
  margin: 12px 0 2px;
  letter-spacing: -0.5px;
  color: var(--primary);
}

.plan .price small {
  font-size: 13px;
  font-weight: 400;
  color: var(--sub);
}

.plan .quota {
  font-size: 12.5px;
  color: var(--sub);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  margin-top: 12px;
  font-variant-numeric: tabular-nums;
}

.plan ul {
  list-style: none;
  margin: 16px 0 22px;
  flex: 1;
}

.plan li {
  font-size: 13.5px;
  color: var(--sub);
  padding: 5px 0 5px 22px;
  position: relative;
}

.plan li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 14px;
  height: 14px;
  background: no-repeat center/contain
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><circle cx="8" cy="8" r="8" fill="%2315803D"/><path d="M4.5 8.2l2.3 2.3 4.7-4.9" stroke="white" stroke-width="1.8" fill="none" stroke-linecap="round"/></svg>');
}

.plan .btn {
  width: 100%;
}

/* 价格对比表 */
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
}

table.compare {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
  font-size: 13.5px;
}

table.compare th,
table.compare td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

table.compare th:first-child,
table.compare td:first-child {
  text-align: left;
  color: var(--sub);
  font-weight: 500;
}

table.compare thead th {
  background: #eef3fb;
  font-size: 13px;
}

table.compare thead th strong {
  display: block;
  font-size: 15px;
}

table.compare tbody tr:last-child td {
  border-bottom: none;
}

table.compare tbody tr:hover td {
  background: #f6f9fe;
}

table.compare .yes {
  color: var(--ok);
  font-weight: 600;
}

table.compare .no {
  color: #b9c4d8;
}

/* --------------------------------------------------------------- 演示环境 */
.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.demo-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.demo-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  margin-bottom: 6px;
}

.demo-card .desc {
  font-size: 14px;
  color: var(--sub);
  margin-bottom: 16px;
}

.cred {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: border-color 0.16s var(--ease-out), background 0.16s var(--ease-out);
  text-align: left;
  width: 100%;
  font-family: inherit;
}

.cred:hover {
  border-color: var(--accent);
  background: var(--primary-light);
}

.cred b {
  color: var(--primary);
  font-family: ui-monospace, 'SF Mono', Consolas, monospace;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.cred span {
  color: var(--sub);
  font-size: 13px;
  margin-left: auto;
}

.cred .copy-hint {
  font-size: 11px;
  color: var(--sub);
  opacity: 0;
  transition: opacity 0.16s var(--ease-out);
  margin-left: 8px;
}

.cred:hover .copy-hint {
  opacity: 1;
}

.demo-card .btn {
  margin-top: 8px;
}

.cred-note {
  font-size: 12.5px;
  color: var(--sub);
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}

/* --------------------------------------------------------------- 注册 */
.reg {
  background:
    radial-gradient(560px 320px at 8% 0%, rgba(31, 111, 235, 0.06), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, #ffffff 100%);
}

.reg-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.reg-info h2 {
  font-size: 30px;
  letter-spacing: -0.4px;
  font-weight: 600;
  margin: 8px 0 14px;
}

.reg-info > p {
  color: var(--sub);
  margin-bottom: 24px;
}

.reg-info ul {
  list-style: none;
}

.reg-info li {
  padding: 7px 0 7px 26px;
  position: relative;
  font-size: 15px;
}

.reg-info li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 16px;
  height: 16px;
  background: no-repeat center/contain
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><circle cx="8" cy="8" r="8" fill="%23153F8F"/><path d="M4.5 8.2l2.3 2.3 4.7-4.9" stroke="white" stroke-width="1.8" fill="none" stroke-linecap="round"/></svg>');
}

.reg-info .note {
  margin-top: 22px;
  font-size: 13px;
  color: var(--sub);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  transition: border-color 0.2s var(--ease-out), color 0.2s var(--ease-out);
}

.reg-info .note.error {
  border-color: var(--bad);
  color: var(--bad);
}

.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 16px 40px rgba(15, 49, 112, 0.1);
}

.form-card > h3 {
  font-size: 20px;
  margin-bottom: 6px;
}

.form-card .form-sub {
  font-size: 13.5px;
  color: var(--sub);
  margin-bottom: 22px;
}

.fg {
  margin-bottom: 16px;
}

.fg label {
  display: block;
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 6px;
}

.fg label i {
  font-style: normal;
  color: var(--bad);
  margin-left: 2px;
}

.fg input,
.fg select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border 0.16s var(--ease-out), box-shadow 0.16s var(--ease-out);
  background: var(--card);
  color: var(--text);
}

/* focus：电光蓝 2px 环 */
.fg input:focus,
.fg select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(31, 111, 235, 0.22);
}

.fg input.err {
  border-color: var(--bad);
}

.fg .hint {
  font-size: 12px;
  color: var(--sub);
  margin-top: 4px;
}

.fg .msg {
  font-size: 12px;
  color: var(--bad);
  margin-top: 4px;
  display: none;
}

.fg.show-err .msg {
  display: block;
}

.fg.show-err input {
  border-color: var(--bad);
}

.frow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.agree {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--sub);
  margin: 4px 0 20px;
}

.agree input {
  margin-top: 3px;
  accent-color: var(--primary);
}

.agree a {
  color: var(--primary);
}

.agree a:hover {
  color: var(--accent-deep);
}

.form-card > form .btn {
  width: 100%;
}

.form-foot {
  text-align: center;
  font-size: 13px;
  color: var(--sub);
  margin-top: 14px;
}

.form-foot a {
  color: var(--primary);
}

.form-foot a:hover {
  color: var(--accent-deep);
}

.form-error {
  display: none;
  background: var(--bad-light);
  border: 1px solid #f2c5c5;
  color: var(--bad);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}

.success {
  display: none;
  text-align: center;
  padding: 20px 8px;
}

.success .ok-ico {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
}

.success h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.success p {
  color: var(--sub);
  font-size: 14px;
}

.success .detail {
  display: none;
  margin: 18px 0 0;
  text-align: left;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--sub);
}

.success .detail b {
  color: var(--text);
}

.success .btn {
  margin-top: 22px;
}

/* --------------------------------------------------------------- 功能详解（features 页） */
.feat-block {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 44px;
  align-items: start;
  padding: 44px 0;
  border-bottom: 1px solid var(--border);
}

.feat-block:last-child {
  border-bottom: none;
}

.feat-block h2 {
  font-size: 24px;
  letter-spacing: -0.3px;
  font-weight: 600;
  margin: 10px 0 12px;
}

.feat-block .lead {
  color: var(--sub);
  font-size: 15px;
}

.feat-block .pain {
  margin-top: 18px;
  font-size: 13.5px;
  color: var(--sub);
  background: var(--bg);
  border-left: 2px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 12px 16px;
}

.feat-block .pain b {
  color: var(--text);
  display: block;
  margin-bottom: 2px;
  font-size: 13px;
}

.feat-list {
  list-style: none;
  display: grid;
  gap: 12px;
}

.feat-list li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 14px;
  color: var(--sub);
  transition: border-color 0.16s var(--ease-out);
}

.feat-list li:hover {
  border-color: rgba(31, 111, 235, 0.35);
}

.feat-list li b {
  color: var(--text);
  display: block;
  font-size: 14.5px;
  margin-bottom: 2px;
}

/* --------------------------------------------------------------- FAQ */
.faq {
  max-width: 820px;
  margin: 0 auto;
}

.faq details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px 20px;
  margin-bottom: 12px;
}

.faq summary {
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  padding: 14px 0;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: '+';
  color: var(--accent-deep);
  font-size: 20px;
  font-weight: 400;
  flex-shrink: 0;
  transition: transform 0.2s var(--ease-out);
}

.faq details[open] summary::after {
  transform: rotate(45deg);
}

.faq details p {
  font-size: 14px;
  color: var(--sub);
  padding: 0 0 16px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

/* --------------------------------------------------------------- 联系 / 关于 */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  text-align: center;
}

.contact-card .ico {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  border: 1px solid rgba(31, 111, 235, 0.28);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}

.contact-card .ico svg {
  width: 22px;
  height: 22px;
}

.contact-card h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.contact-card p {
  font-size: 14px;
  color: var(--sub);
}

.contact-card .strong {
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  margin-top: 6px;
  word-break: break-all;
}

.prose {
  max-width: 820px;
  margin: 0 auto;
}

.prose h2 {
  font-size: 22px;
  font-weight: 600;
  margin: 34px 0 12px;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p {
  color: var(--sub);
  font-size: 15px;
  margin-bottom: 12px;
}

.prose ul {
  margin: 0 0 14px 20px;
  color: var(--sub);
  font-size: 14.5px;
}

.prose li {
  margin-bottom: 6px;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 36px 0;
}

.stat-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
}

.stat-box b {
  display: block;
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.stat-box span {
  font-size: 13px;
  color: var(--sub);
}

/* --------------------------------------------------------------- CTA 条：页内唯一深色块 */
.cta-band {
  background: linear-gradient(130deg, #0d234f 0%, var(--primary) 58%, #1d55b8 100%);
  border-radius: var(--radius-lg);
  padding: 52px 48px;
  text-align: center;
  color: #eef3fb;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-primary);
}

/* 深底上的蓝图网格 + 电光蓝辉光 */
.cta-band::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
  background-image: linear-gradient(rgba(238, 243, 251, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(238, 243, 251, 0.05) 1px, transparent 1px);
  background-size: 36px 36px;
  -webkit-mask-image: radial-gradient(480px 300px at 78% 0%, rgba(31, 111, 235, 0.55), transparent 75%);
  mask-image: radial-gradient(480px 300px at 78% 0%, rgba(31, 111, 235, 0.55), transparent 75%);
}

.cta-band > * {
  position: relative;
  z-index: 1;
}

.cta-band h2 {
  font-size: 30px;
  letter-spacing: -0.4px;
  font-weight: 600;
  margin-bottom: 10px;
}

.cta-band p {
  color: rgba(238, 243, 251, 0.78);
  font-size: 15px;
  margin-bottom: 26px;
}

/* 深底上的按钮：电光蓝渐变实心 + 反白描边 */
.cta-band .btn-primary {
  background: var(--grad);
  color: #ffffff;
  box-shadow: 0 10px 26px rgba(31, 111, 235, 0.4);
}

.cta-band .btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.cta-band .btn-ghost {
  color: #eef3fb;
  border-color: rgba(238, 243, 251, 0.55);
}

.cta-band .btn-ghost:hover {
  background: rgba(238, 243, 251, 0.12);
}

.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------- 页脚：深海军蓝反白 */
footer {
  padding: 48px 0 28px;
  font-size: 13px;
  color: rgba(233, 240, 252, 0.72);
  background: #0d1c38;
}

.foot-cols {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 26px;
}

.foot-cols h4 {
  font-size: 13px;
  color: #eef3fb;
  margin-bottom: 12px;
}

.foot-cols a {
  display: block;
  padding: 3px 0;
  color: rgba(233, 240, 252, 0.72);
  transition: color 0.16s var(--ease-out);
}

.foot-cols a:hover {
  color: #6cb0ff;
}

.foot-brand p {
  margin-top: 12px;
  max-width: 280px;
  line-height: 1.7;
  color: rgba(233, 240, 252, 0.72);
}

.foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 22px;
  border-top: 1px solid rgba(233, 240, 252, 0.14);
  color: rgba(233, 240, 252, 0.66);
}

/* 页脚内品牌区反白适配 */
footer .logo {
  color: #eef3fb;
}

footer .logo small {
  color: rgba(233, 240, 252, 0.66);
}

.foot-brand .foot-org {
  margin-top: 6px;
  max-width: 280px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(233, 240, 252, 0.66);
}

/* ⚠️ .foot-cols a 是 display:block（给链接栏用的），
   品牌块里的电话链接必须显式改回行内，否则每个号码各占一行。 */
.foot-brand .foot-org a {
  display: inline;
  padding: 0;
  white-space: nowrap;
  color: rgba(233, 240, 252, 0.66);
}

.foot-brand .foot-org a:hover {
  color: #6cb0ff;
}

/* 联系页电话卡片（无邮箱配置时的静态可用入口） */
.direct-list {
  margin: 16px 0 20px;
}

.direct-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  font-size: 14px;
  border-bottom: 1px dashed var(--border);
}

/* 微信行留空时整行藏起来。
   🔴 必须显式写这条：`.direct-row` 的 `display: flex` 是**类选择器**，
   优先级高于 UA 样式表里的 `[hidden] { display: none }` ⇒ 只加 hidden 属性
   那一行照样显示。 */
.direct-row[hidden] {
  display: none;
}

.direct-row:last-child {
  border-bottom: 0;
}

.direct-row span {
  color: var(--sub);
}

.direct-row b {
  font-weight: 600;
}

.direct-row a {
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
}

.direct-row a:hover {
  color: var(--accent-deep);
}

/* 移动端导航容量修正：≤640px 时导航容纳不下品牌副标题 */
@media (max-width: 640px) {
  .nav-inner .logo small {
    display: none;
  }

  .nav-inner {
    gap: 14px;
  }
}

/* --------------------------------------------------------------- 404 */
.notfound {
  min-height: 62vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px;
}

.notfound .code {
  font-size: 88px;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -3px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.notfound h1 {
  font-size: 24px;
  font-weight: 600;
  margin: 16px 0 10px;
}

.notfound p {
  color: var(--sub);
  margin-bottom: 26px;
}

/* --------------------------------------------------------------- 滚动渐显 */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.32s var(--ease-out), transform 0.32s var(--ease-out);
}

.reveal.in {
  opacity: 1;
  transform: none;
}

/* --------------------------------------------------------------- 动效减弱：全站关闭 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* --------------------------------------------------------------- 响应式 */
@media (max-width: 1024px) {
  .modules {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing,
  .pricing.three {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .feat-block {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero h1 {
    font-size: 44px;
  }
}

@media (max-width: 960px) {
  .hero-grid,
  .reg-grid,
  .demo-grid {
    grid-template-columns: 1fr;
  }

  .cards {
    grid-template-columns: 1fr 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 40px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .foot-cols {
    grid-template-columns: 1fr 1fr;
  }

  /* 移动端导航：折叠成抽屉 */
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 16px;
    margin-left: 0;
    box-shadow: var(--shadow-sm);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 11px 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .nav-links a.active::after,
  .nav-links a::after {
    display: none;
  }

  .nav-actions .btn-ghost {
    display: none;
  }

  .cta-band {
    padding: 36px 22px;
  }

  .cta-band h2 {
    font-size: 24px;
  }
}

@media (max-width: 560px) {
  .cards,
  .modules,
  .pricing,
  .pricing.three,
  .frow,
  .stat-row,
  .foot-cols {
    grid-template-columns: 1fr;
  }

  .hero-ctas {
    flex-direction: column;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  .hero {
    padding: 56px 0 48px;
  }

  .hero h1 {
    font-size: 34px;
    letter-spacing: -0.5px;
  }

  .page-hero h1 {
    font-size: 30px;
  }

  .sec-head h1,
  .sec-head h2 {
    font-size: 28px;
  }

  .mock-body {
    grid-template-columns: 88px 1fr;
  }

  .form-card {
    padding: 24px 20px;
  }

  section {
    padding: 52px 0;
  }
}

/* 1440+ 宽屏：适度放宽留白 */
@media (min-width: 1440px) {
  section {
    padding: 88px 0;
  }

  .hero {
    padding: 104px 0 84px;
  }
}

/* ===========================================================================
   品牌主体：惠州盈通网络科技有限公司
   ---------------------------------------------------------------------------
   导航与页脚使用公司标识图片（assets/logo-mark.png）。
   .logo-mark 原始形态（主色底 + 白色线描）只保留给页面内的示意图标
   （如首页演示卡片的管理端 / 车间端图标）；品牌标识一律带 .is-brand。
   =========================================================================== */
.logo-mark.is-brand {
  /* 与改造前 .logo-mark 同为 30px：尺寸一变就会顶破 414px 宽的移动端导航 */
  width: 30px;
  height: 30px;
  background: none;
  border-radius: 0;
}

.logo-mark.is-brand img {
  width: 100%;
  height: 100%;
  display: block;
}