/* 硅伙计官网品牌样式（叠加在模板 Bootstrap 之上）
   品牌：主色藏青（2026-09-29 负责人评审后由深青蓝改为藏青），强调色暖橙只用在按钮和价格上；不用微信绿。 */

:root {
  --gx-primary: #1e3a6e;
  --gx-primary-dark: #16294f;
  --gx-primary-deepest: #101f3c;
  --gx-tint: #f3f6fa;
  --gx-tint-strong: #e3eaf4;
  --gx-ink: #1e2735;
  --gx-ink-soft: #55627a;
  --gx-line: #d8e0ec;
  --gx-accent: #e8871e;
  --gx-accent-strong: #c2570e;
  --gx-accent-deep: #a84808;
  --gx-radius: 14px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif;
  color: var(--gx-ink);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

section[id] {
  scroll-margin-top: 76px;
}

a,
button {
  outline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(232, 135, 30, 0.6);
}

/* ---------- 按钮 ---------- */

.site-btn-accent {
  background: var(--gx-accent-strong);
  border: none;
  border-radius: 10px;
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.65rem 1.5rem;
  transition: background 0.15s ease, transform 0.15s ease;
  white-space: nowrap;
}

.site-btn-accent:hover,
.site-btn-accent:focus {
  background: var(--gx-accent-deep);
  color: #fff;
  transform: translateY(-1px);
}

.site-btn-nav {
  padding: 0.4rem 1.1rem;
  font-size: 0.92rem;
}

.site-btn-ghost {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  border-radius: 10px;
  color: #fff;
  font-weight: 600;
  padding: calc(0.65rem - 1.5px) calc(1.5rem - 1.5px);
  transition: background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.site-btn-ghost:hover,
.site-btn-ghost:focus {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
}

.site-btn-outline {
  background: transparent;
  border: 1.5px solid var(--gx-primary);
  border-radius: 10px;
  color: var(--gx-primary);
  font-weight: 600;
  padding: calc(0.65rem - 1.5px) calc(1.5rem - 1.5px);
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.site-btn-outline:hover,
.site-btn-outline:focus {
  background: var(--gx-primary);
  color: #fff;
}

/* ---------- 顶部导航 ---------- */

.site-nav {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--gx-line);
  padding: 0.6rem 0;
}

.site-nav > .container {
  flex-wrap: nowrap;
  gap: 1rem;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--gx-ink);
  text-decoration: none;
}

.site-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--gx-primary);
  color: #fff;
  font-size: 19px;
  font-weight: 700;
}

.site-logo-text {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.site-nav-links {
  align-items: center;
  gap: 1.6rem;
}

.site-nav-link {
  color: var(--gx-ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
}

.site-nav-link:hover,
.site-nav-link:focus {
  color: var(--gx-primary);
}

/* ---------- 首屏 ---------- */

.site-hero {
  background:
    radial-gradient(900px 420px at 82% -10%, rgba(232, 135, 30, 0.14), transparent 60%),
    linear-gradient(160deg, var(--gx-primary) 0%, var(--gx-primary-deepest) 100%);
  color: #fff;
  padding: 5.5rem 0 5rem;
  text-align: center;
}

.site-hero-badge {
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.88rem;
  margin-bottom: 1.5rem;
  padding: 0.35rem 1rem;
}

.site-hero-title {
  font-size: clamp(2rem, 5vw, 3.1rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
}

.site-hero-subtitle {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.08rem;
  line-height: 1.85;
  margin: 0 auto 2.25rem;
  max-width: 720px;
}

.site-hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* ---------- 区块通用 ---------- */

.site-section {
  padding: 4.5rem 0;
}

.site-section-tint {
  background: var(--gx-tint);
}

.site-section-title {
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
  text-align: center;
}

.site-section-title::before {
  content: "";
  display: block;
  width: 30px;
  height: 4px;
  border-radius: 2px;
  background: var(--gx-primary);
  margin: 0 auto 0.9rem;
}

.site-section-subtitle {
  color: var(--gx-ink-soft);
  margin-bottom: 2.25rem;
  text-align: center;
}

.site-section-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.25rem;
}

.container-narrow {
  max-width: 780px;
}

/* ---------- 痛点 ---------- */

.pain-card {
  background: #fff;
  border: 1px solid var(--gx-line);
  border-radius: var(--gx-radius);
  height: 100%;
  padding: 1.5rem 1.4rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.pain-card:hover {
  border-color: rgba(30, 58, 110, 0.45);
  transform: translateY(-2px);
}

.pain-icon {
  color: var(--gx-primary);
  display: inline-flex;
  margin-bottom: 0.9rem;
}

.pain-card p {
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
}

/* ---------- 功能模块 ---------- */

/* 模块网格：手机单列；平板 2 列；宽屏 3 列且「经营」跨 2 列、AI 整行横排，
   保持 #82 的模块顺序不留空位 */
.module-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

.module-cell {
  min-width: 0;
}

@media (min-width: 768px) {
  .module-grid {
    gap: 1.5rem;
    grid-template-columns: repeat(2, 1fr);
  }

  .module-cell-key,
  .module-cell-wide {
    grid-column: 1 / -1;
  }

  .module-cell-wide .module-items {
    display: grid;
    gap: 0.3rem 2rem;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .module-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .module-cell-key {
    grid-column: 2 / 4;
  }

  .module-cell-wide .module-items {
    grid-template-columns: repeat(3, 1fr);
  }
}

.module-card {
  background: #fff;
  border: 1px solid var(--gx-line);
  border-radius: var(--gx-radius);
  height: 100%;
  padding: 1.7rem 1.6rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.module-card:hover {
  border-color: rgba(30, 58, 110, 0.45);
  transform: translateY(-2px);
}

.module-head {
  align-items: center;
  display: flex;
  gap: 0.8rem;
  margin-bottom: 1.1rem;
}

.module-icon {
  align-items: center;
  background: var(--gx-tint-strong);
  border-radius: 11px;
  color: var(--gx-primary);
  display: inline-flex;
  height: 44px;
  justify-content: center;
  width: 44px;
}

.module-name {
  font-size: 1.13rem;
  font-weight: 700;
  margin: 0;
}

.module-tagline {
  color: var(--gx-ink-soft);
  font-size: 0.9rem;
  margin: 0.15rem 0 0;
}

.module-items {
  list-style: none;
  margin: 0;
  padding: 0;
}

.module-items li {
  font-size: 0.94rem;
  line-height: 1.65;
  margin-bottom: 0.55rem;
  padding-left: 1.05rem;
  position: relative;
}

.module-items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gx-primary);
}

.module-item-lead {
  color: var(--gx-primary);
}

/* 经营：篇幅最大（跨两列、双栏条目），不做特殊视觉强调 */
.module-card-key {
  padding: 2.1rem 2rem;
}

.module-card-key .module-head {
  margin-bottom: 1.35rem;
}

.module-card-key .module-name {
  font-size: 1.35rem;
}

.module-card-key .module-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 0.3rem 2rem;
}

.module-card-key .module-items li {
  font-size: 0.96rem;
}

/* ---------- 价格 ---------- */

.plan-card {
  background: #fff;
  border: 1px solid var(--gx-line);
  border-radius: var(--gx-radius);
  height: 100%;
  padding: 1.7rem 1.2rem;
  text-align: center;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.plan-card:hover {
  border-color: rgba(30, 58, 110, 0.45);
  transform: translateY(-2px);
}

.plan-name {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.plan-stores {
  color: var(--gx-ink-soft);
  font-size: 0.86rem;
  margin-bottom: 1.1rem;
}

.plan-price {
  color: var(--gx-accent-strong);
  font-size: 2.05rem;
  font-weight: 800;
  margin: 0;
}

.plan-currency {
  font-size: 0.62em;
  margin-right: 2px;
}

.plan-unit {
  color: var(--gx-ink-soft);
  font-size: 0.42em;
  font-weight: 500;
  margin-left: 2px;
}

.plan-notes {
  color: var(--gx-ink-soft);
  font-size: 0.92rem;
  list-style: none;
  margin: 1.75rem auto 0;
  max-width: 620px;
  padding: 0;
  text-align: center;
}

.plan-notes li + li {
  margin-top: 0.4rem;
}

/* ---------- 怎么开始 ---------- */

.steps-row {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}

.step-item {
  background: #fff;
  border: 1px solid var(--gx-line);
  border-radius: var(--gx-radius);
  padding: 1.5rem 1.4rem;
}

.step-no {
  align-items: center;
  background: var(--gx-primary);
  border-radius: 50%;
  color: #fff;
  display: inline-flex;
  font-size: 1rem;
  font-weight: 700;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.step-title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0.85rem 0 0.3rem;
}

.step-text {
  color: var(--gx-ink-soft);
  font-size: 0.92rem;
  line-height: 1.65;
  margin: 0;
}

/* ---------- 常见问题 ---------- */

.faq-item {
  background: #fff;
  border: 1px solid var(--gx-line);
  border-radius: 12px;
  margin-bottom: 0.75rem;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  padding: 1rem 1.3rem;
  padding-right: 3rem;
  position: relative;
}

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

.faq-item summary::after {
  border-right: 2px solid var(--gx-primary);
  border-bottom: 2px solid var(--gx-primary);
  content: "";
  height: 8px;
  position: absolute;
  right: 1.3rem;
  top: 1.35rem;
  transform: rotate(45deg);
  transition: transform 0.15s ease;
  width: 8px;
}

.faq-item[open] summary::after {
  transform: rotate(-135deg);
}

.faq-answer {
  padding: 0 1.3rem 1.1rem;
}

.faq-answer p {
  color: var(--gx-ink-soft);
  font-size: 0.95rem;
  line-height: 1.8;
  margin: 0;
}

/* ---------- 结尾呼应 ---------- */

.site-cta {
  background:
    radial-gradient(700px 340px at 18% 120%, rgba(232, 135, 30, 0.12), transparent 60%),
    linear-gradient(200deg, var(--gx-primary) 0%, var(--gx-primary-deepest) 100%);
  color: #fff;
  padding: 4.5rem 0;
  text-align: center;
}

.site-cta-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.site-cta-subtitle {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
}

/* ---------- 页脚 ---------- */

.site-footer {
  background: var(--gx-primary-deepest);
  color: rgba(255, 255, 255, 0.82);
  padding-top: 3.5rem;
}

.site-logo-footer {
  color: #fff;
}

.site-footer-positioning {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.88rem;
  line-height: 1.75;
  margin: 1rem 0 0;
  max-width: 430px;
}

.site-footer-qr {
  margin: 0;
}

.site-footer-qr img {
  background: #fff;
  border-radius: 10px;
  display: block;
  margin: 0 auto;
  padding: 6px;
  width: 132px;
}

.site-footer-qr figcaption {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.8rem;
  margin-top: 0.55rem;
}

.site-footer-wecom-btn {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: 0.88rem;
  margin-top: 0.6rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.55);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.8rem;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  margin-top: 2.5rem;
  padding: 1.2rem 0 1.4rem;
}

/* ---------- 企业微信二维码弹窗 ---------- */

.wecom-dialog {
  border: none;
  border-radius: var(--gx-radius);
  max-width: 330px;
  padding: 0;
  width: calc(100vw - 48px);
}

.wecom-dialog::backdrop {
  background: rgba(16, 31, 60, 0.58);
}

.wecom-dialog[open] {
  animation: gx-pop 0.18s ease;
}

@keyframes gx-pop {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.wecom-dialog-body {
  padding: 1.9rem 1.75rem 1.6rem;
  position: relative;
  text-align: center;
}

.wecom-dialog-body h3 {
  font-size: 1.12rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
}

.wecom-dialog-body > p {
  color: var(--gx-ink-soft);
  font-size: 0.9rem;
  margin: 0 0 1.1rem;
}

.wecom-dialog-qr {
  margin: 0;
}

.wecom-dialog-qr img {
  border: 1px solid var(--gx-line);
  border-radius: 12px;
  height: auto;
  width: 220px;
}

.wecom-dialog-caption {
  color: var(--gx-ink-soft);
  font-size: 0.78rem;
  line-height: 1.6;
  margin: 0.9rem 0 0;
}

.wecom-dialog-close {
  background: none;
  border: none;
  color: var(--gx-ink-soft);
  cursor: pointer;
  font-size: 1.6rem;
  line-height: 1;
  padding: 0.2rem 0.45rem;
  position: absolute;
  right: 0.5rem;
  top: 0.55rem;
}

.wecom-dialog-close:hover {
  color: var(--gx-ink);
}

/* ---------- 小屏适配 ---------- */

@media (max-width: 575.98px) {
  .site-hero {
    padding: 3.5rem 0 3.25rem;
  }

  .site-hero-subtitle {
    font-size: 1rem;
    margin-bottom: 1.9rem;
  }

  .site-section {
    padding: 3.25rem 0;
  }

  .module-card-key {
    padding: 1.7rem 1.4rem;
  }

  .plan-price {
    font-size: 1.85rem;
  }
}