/* ==========================================================================
   聚众ERP 官网样式表
   配色：深蓝主色 + 金色点缀（金色作为强调色，与蓝色六边形 Logo 形成对比）
   ========================================================================== */

:root {
  --navy-900: #0a1628;
  --navy-800: #0f2038;
  --navy-700: #16304f;
  --navy-600: #1e4066;
  /* 强调色取自品牌标识：蓝色六边形网络 + 青色节点 */
  --accent-600: #1a9fbb;
  --accent-500: #22bcd8;
  --accent-100: #e3f6fa;

  --ink-900: #14181f;
  --ink-700: #3a4250;
  --ink-500: #6b7484;
  --ink-300: #a8b0be;

  --line: #e4e8ef;
  --bg-soft: #f6f8fb;
  --bg-page: #ffffff;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-md: 0 4px 16px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 12px 40px rgba(16, 24, 40, 0.12);

  --maxw: 1140px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ------------------------------------------------------------------ 基础 */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-900);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 0.5em;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 2.5rem;
}
h2 {
  font-size: 1.85rem;
}
h3 {
  font-size: 1.2rem;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--navy-600);
  text-decoration: none;
}

a:hover {
  color: var(--accent-600);
}

ul,
ol {
  margin: 0 0 1em;
  padding-left: 1.4em;
}

li {
  margin-bottom: 0.45em;
}

img {
  max-width: 100%;
  display: block;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.1em 0.4em;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 72px 0;
}

.section--soft {
  background: var(--bg-soft);
}

.section__head {
  max-width: 720px;
  margin: 0 auto 44px;
  text-align: center;
}

.section__head p {
  color: var(--ink-500);
  font-size: 1.05rem;
  margin: 0;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-600);
  margin-bottom: 12px;
}

/* ------------------------------------------------------------------ 按钮 */

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent-600);
  color: var(--navy-900);
}

.btn--primary:hover {
  background: var(--accent-500);
  color: var(--navy-900);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--ghost:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.btn--outline {
  background: #fff;
  color: var(--navy-700);
  border-color: var(--line);
}

.btn--outline:hover {
  border-color: var(--navy-600);
  color: var(--navy-700);
}

/* ------------------------------------------------------------------ 顶栏 */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.12rem;
  color: var(--navy-900);
  letter-spacing: -0.02em;
}

.brand:hover {
  color: var(--navy-900);
}

.brand img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.site-nav a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--ink-700);
}

.site-nav a:hover {
  background: var(--bg-soft);
  color: var(--navy-900);
}

.site-nav a.is-active {
  color: var(--navy-900);
  font-weight: 700;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-left: 12px;
  margin-left: 8px;
  border-left: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--ink-300);
}

.lang-switch a {
  padding: 4px 6px;
  border-radius: 4px;
  color: var(--ink-500);
}

.lang-switch a.is-active {
  color: var(--navy-900);
  font-weight: 700;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--ink-700);
}

/* -------------------------------------------------------------------- Hero */

.hero {
  background: radial-gradient(circle at 82% 12%, rgba(34, 188, 216, 0.20), transparent 46%),
    linear-gradient(160deg, var(--navy-900) 0%, var(--navy-700) 100%);
  color: #fff;
  padding: 96px 0 88px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

/* 深蓝底上的小号粗体字，用亮一档的青色才够清晰 */
.hero .eyebrow {
  color: var(--accent-500);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero h1 .accent {
  color: var(--accent-500);
}

.hero__lead {
  font-size: 1.12rem;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 32px;
  max-width: 620px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.hero__badges span::before {
  content: "✓";
  color: var(--accent-500);
  font-weight: 700;
  margin-right: 8px;
}

/* ---------------------------------------------------------------- 卡片网格 */

.grid {
  display: grid;
  gap: 22px;
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  transition: all 0.2s ease;
}

.card:hover {
  border-color: var(--accent-600);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--accent-100);
  color: var(--navy-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.08rem;
  margin-bottom: 8px;
}

.card p {
  color: var(--ink-500);
  font-size: 0.94rem;
  margin: 0;
}

.card ul {
  margin: 0;
  padding-left: 1.1em;
  color: var(--ink-500);
  font-size: 0.94rem;
}

.card li {
  margin-bottom: 0.3em;
}

/* --------------------------------------------------------------- 平台区块 */

.platform-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.platform {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  background: #fff;
}

.platform__tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--navy-800);
  color: var(--accent-500);
  margin-bottom: 14px;
}

.platform h3 {
  margin-bottom: 10px;
}

.platform p {
  color: var(--ink-500);
  font-size: 0.95rem;
}

.platform ol {
  margin: 0;
  padding-left: 1.2em;
  color: var(--ink-700);
  font-size: 0.94rem;
}

/* --------------------------------------------------------------- 提示条 */

.notice {
  border-left: 3px solid var(--accent-600);
  background: var(--accent-100);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 18px 22px;
  font-size: 0.94rem;
  color: var(--ink-700);
}

.notice--plain {
  border-left-color: var(--navy-600);
  background: var(--bg-soft);
}

.notice strong {
  color: var(--navy-900);
}

/* --------------------------------------------------------------- CTA 条 */

.cta-band {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: #fff;
  padding: 60px 0;
  text-align: center;
}

.cta-band h2 {
  color: #fff;
  margin-bottom: 12px;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.75);
  max-width: 620px;
  margin: 0 auto 28px;
}

/* --------------------------------------------------------------- 页脚 */

.site-footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.62);
  padding: 56px 0 28px;
  font-size: 0.9rem;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer h4 {
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.62);
  display: block;
  padding: 3px 0;
}

.site-footer a:hover {
  color: var(--accent-500);
}

.site-footer .brand {
  color: #fff;
  margin-bottom: 14px;
}

/* 品牌标识是深蓝六边形，直接放在深蓝页脚上主体会糊掉，
   因此给它一层白色圆角底（类似 App 图标），既保色又保对比度。 */
.site-footer .brand img {
  background: #fff;
  border-radius: 8px;
  padding: 4px;
  box-sizing: content-box;
}

.site-footer .brand:hover {
  color: #fff;
}

.site-footer__desc {
  max-width: 320px;
  line-height: 1.65;
}

.site-footer__bottom {
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.45);
}

.site-footer__entity {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.86rem;
  padding: 14px 0 0;
  line-height: 1.6;
}

/* --------------------------------------------------------- 法务页布局 */

.legal-hero {
  background: var(--navy-900);
  color: #fff;
  padding: 56px 0 48px;
}

.legal-hero h1 {
  margin-bottom: 12px;
}

.legal-hero__meta {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.92rem;
}

.legal-hero__meta span + span::before {
  content: "·";
  margin: 0 10px;
  color: rgba(255, 255, 255, 0.3);
}

.legal-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 56px;
  padding: 52px 0 80px;
  align-items: start;
}

.legal-toc {
  position: sticky;
  top: 92px;
  font-size: 0.9rem;
  border-left: 2px solid var(--line);
  padding-left: 18px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.legal-toc h4 {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-300);
  margin-bottom: 12px;
}

.legal-toc a {
  display: block;
  padding: 5px 0;
  color: var(--ink-500);
  line-height: 1.45;
}

.legal-toc a:hover {
  color: var(--accent-600);
}

.legal-body {
  max-width: 780px;
  font-size: 0.97rem;
  color: var(--ink-700);
}

.legal-body h2 {
  font-size: 1.35rem;
  color: var(--ink-900);
  margin: 44px 0 14px;
  padding-top: 8px;
  scroll-margin-top: 92px;
}

.legal-body h2:first-of-type {
  margin-top: 0;
}

.legal-body h3 {
  font-size: 1.02rem;
  color: var(--ink-900);
  margin: 24px 0 8px;
}

.legal-body strong {
  color: var(--ink-900);
}

.legal-body ul,
.legal-body ol {
  padding-left: 1.3em;
}

.legal-body li {
  margin-bottom: 0.5em;
}

/* 法务页里的表格 */
.table-wrap {
  overflow-x: auto;
  margin: 0 0 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  text-align: left;
  padding: 11px 14px;
  border: 1px solid var(--line);
  vertical-align: top;
}

th {
  background: var(--bg-soft);
  font-weight: 700;
  color: var(--ink-900);
  white-space: nowrap;
}

/* 联系信息卡 */
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  background: #fff;
  height: 100%;
}

.contact-card__label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-300);
  margin-bottom: 10px;
}

.contact-card__value {
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--navy-900);
  word-break: break-word;
  line-height: 1.5;
}

.contact-card__note {
  font-size: 0.86rem;
  color: var(--ink-500);
  margin-top: 10px;
  margin-bottom: 0;
}

/* --------------------------------------------------------------- 响应式 */

@media (max-width: 980px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .site-footer__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
  .legal-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .legal-toc {
    position: static;
    max-height: none;
    border-left: none;
    border-top: 2px solid var(--line);
    padding-left: 0;
    padding-top: 16px;
  }
  .legal-toc a {
    display: inline-block;
    margin-right: 16px;
  }
}

@media (max-width: 720px) {
  h1 {
    font-size: 1.9rem;
  }
  h2 {
    font-size: 1.5rem;
  }
  .hero {
    padding: 64px 0 56px;
  }
  .hero h1 {
    font-size: 2.05rem;
  }
  .hero__lead {
    font-size: 1rem;
  }
  .section {
    padding: 52px 0;
  }
  .grid--2,
  .grid--3,
  .grid--4,
  .platform-row {
    grid-template-columns: 1fr;
  }
  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: block;
  }
  .site-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 10px 16px 16px;
    gap: 2px;
    box-shadow: var(--shadow-md);
  }
  .site-nav.is-open {
    display: flex;
  }
  .site-nav a {
    padding: 11px 12px;
  }
  .lang-switch {
    border-left: none;
    border-top: 1px solid var(--line);
    margin: 8px 0 0;
    padding: 12px 12px 0;
  }
}

/* 打印（法务页常常需要存档打印） */
@media print {
  .site-header,
  .site-footer,
  .legal-toc,
  .cta-band {
    display: none;
  }
  .legal-layout {
    display: block;
    padding: 0;
  }
  .legal-hero {
    background: none;
    color: #000;
    padding: 0 0 16px;
  }
  .legal-hero__meta {
    color: #555;
  }
  body {
    font-size: 11pt;
  }
}