/* ============================================================
   云帆智造 Yunfan Tech - 企业官网
   全局样式
   ============================================================ */

:root {
  --primary: #1d5fc0;
  --primary-dark: #154a99;
  --primary-light: #eaf1fb;
  --text: #22272e;
  --text-secondary: #5f6b7a;
  --text-light: #8a94a3;
  --bg: #ffffff;
  --bg-gray: #f6f7f9;
  --bg-dark: #1c2733;
  --border: #e3e6ea;
  --border-dark: #d3d8de;
  --radius: 8px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 2px 4px rgba(16, 24, 40, 0.05), 0 8px 20px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 4px 8px rgba(16, 24, 40, 0.06), 0 16px 40px rgba(16, 24, 40, 0.12);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --header-height: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--primary-dark);
}

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

ul,
ol {
  list-style: none;
}

/* ---------- 布局 ---------- */

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 72px 0;
}

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

.section-head {
  margin-bottom: 40px;
}

.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 10px;
}

.section-head p {
  color: var(--text-secondary);
  max-width: 640px;
}

/* ---------- 按钮 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  font-family: inherit;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
}

.btn-outline {
  background: transparent;
  border-color: var(--border-dark);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-lg {
  padding: 12px 30px;
  font-size: 15px;
}

.btn-block {
  width: 100%;
}

/* ---------- 顶部导航 ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.logo:hover {
  color: var(--text);
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.site-nav ul {
  display: flex;
  gap: 6px;
}

.site-nav a {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  color: var(--text-secondary);
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.site-nav a:hover {
  color: var(--text);
  background: var(--bg-gray);
}

.site-nav a.active {
  color: var(--primary);
  font-weight: 500;
  background: var(--primary-light);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  color: var(--text);
}

.nav-toggle svg {
  display: block;
}

/* 移动端导航 */
@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    display: none;
    padding: 12px 24px 20px;
  }

  .site-nav.open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 2px;
  }

  .site-nav a {
    padding: 12px 12px;
    font-size: 15px;
  }
}

/* ---------- 首页 Hero ---------- */

.hero {
  background: var(--bg-gray);
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding: 80px 24px;
  max-width: 1140px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border: 1px solid var(--border-dark);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-secondary);
  background: #fff;
  margin-bottom: 20px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3bb273;
}

.hero h1 {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

.hero h1 em {
  font-style: normal;
  color: var(--primary);
}

.hero .subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.hero-stats .num {
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.hero-stats .label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Hero 右侧图形 */
.hero-visual {
  position: relative;
}

.hero-panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 24px;
}

.hero-panel .panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.hero-panel .panel-title svg {
  color: var(--primary);
}

.metric-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--bg-gray);
}

.metric-row:last-of-type {
  border-bottom: none;
}

.metric-row .bar {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: var(--bg-gray);
  overflow: hidden;
}

.metric-row .bar i {
  display: block;
  height: 100%;
  border-radius: 4px;
  background: var(--primary);
}

.metric-row .m-label {
  width: 88px;
  font-size: 13px;
  color: var(--text-secondary);
}

.metric-row .m-value {
  width: 40px;
  text-align: right;
  font-size: 13px;
  font-weight: 600;
}

.float-card {
  position: absolute;
  right: -16px;
  bottom: -22px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.float-card .fc-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.float-card .fc-num {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.2;
}

.float-card .fc-label {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ---------- 特性 / 服务卡片 ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  border-color: var(--border-dark);
  box-shadow: var(--shadow-md);
}

.feature-card .fc-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.feature-card .more {
  font-size: 13px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ---------- 数据条带 ---------- */

.stat-band {
  background: var(--bg-dark);
  color: #fff;
}

.stat-band .inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 56px 0;
  max-width: 1140px;
  margin: 0 auto;
  padding: 56px 24px;
}

.stat-item {
  text-align: center;
}

.stat-item .num {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-item .label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- 列表卡片（新闻/案例） ---------- */

.list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.post-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.post-card:hover {
  border-color: var(--border-dark);
  box-shadow: var(--shadow-md);
}

.post-card .thumb {
  height: 180px;
  background: var(--bg-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  border-bottom: 1px solid var(--border);
}

.post-card .thumb svg {
  opacity: 0.5;
}

.post-card .body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.post-card .meta {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.post-card h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  margin-bottom: 8px;
}

.post-card h3 a {
  color: var(--text);
}

.post-card h3 a:hover {
  color: var(--primary);
}

.post-card p {
  font-size: 14px;
  color: var(--text-secondary);
  flex: 1;
}

/* ---------- 案例样式 ---------- */

.case-card .tags {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  border-radius: 4px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 500;
}

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

.cta-band {
  background: var(--primary);
  color: #fff;
}

.cta-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 56px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-inner h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.cta-inner p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}

.btn-light {
  background: #fff;
  color: var(--primary);
  font-weight: 600;
}

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

/* ---------- 页脚 ---------- */

.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
}

.footer-grid {
  max-width: 1140px;
  margin: 0 auto;
  padding: 56px 24px 32px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer-grid h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-grid .logo {
  color: #fff;
  margin-bottom: 14px;
}

.footer-about p {
  max-width: 320px;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.65);
}

.footer-links a:hover {
  color: #fff;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
}

.footer-contact svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom .inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- 内页标题区 ---------- */

.page-hero {
  background: var(--bg-gray);
  border-bottom: 1px solid var(--border);
}

.page-hero .inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 52px 24px;
}

.crumbs {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 12px;
}

.crumbs a {
  color: var(--text-light);
}

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

.page-hero h1 {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 10px;
}

.page-hero p {
  color: var(--text-secondary);
  max-width: 680px;
}

/* ---------- 关于我们 ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 56px;
  align-items: start;
}

.about-text p {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.about-text h3 {
  font-size: 18px;
  margin: 28px 0 14px;
}

.about-panel {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  padding: 28px;
}

.about-panel h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.about-panel .kv {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 14px;
}

.about-panel .kv .k {
  color: var(--text-secondary);
}

.about-panel .kv .v {
  font-weight: 500;
}

/* 时间线 */
.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--border);
}

.timeline li {
  position: relative;
  padding-bottom: 28px;
}

.timeline li:last-child {
  padding-bottom: 0;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--primary);
  transform: translateX(-2px);
}

.timeline .year {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.timeline .event {
  font-size: 14px;
  color: var(--text);
}

/* 团队 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.team-card {
  text-align: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 16px;
}

.team-card .avatar {
  width: 64px;
  height: 64px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 22px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

.team-card h4 {
  font-size: 15px;
  margin-bottom: 4px;
}

.team-card .role {
  font-size: 13px;
  color: var(--text-secondary);
}

/* 价值观 */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.value-item {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.value-item .v-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.value-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.value-item p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ---------- 产品与服务 ---------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.product-card {
  display: flex;
  gap: 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.product-card:hover {
  border-color: var(--border-dark);
  box-shadow: var(--shadow-md);
}

.product-card .p-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

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

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}

.process-step {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
}

.process-step::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 16px;
  right: 18px;
  font-size: 26px;
  font-weight: 700;
  color: var(--border);
}

.process-step h3 {
  font-size: 15px;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* 优势列表 */
.adv-list li {
  display: flex;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}

.adv-list li:last-child {
  border-bottom: none;
}

.adv-list .a-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.adv-list h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.adv-list p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ---------- 列表页（案例/新闻） ---------- */

.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.filter-btn {
  padding: 7px 16px;
  font-size: 13px;
  border: 1px solid var(--border-dark);
  border-radius: 999px;
  background: #fff;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.news-detail-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 72px;
}

.news-detail-wrap h1 {
  font-size: 26px;
  line-height: 1.45;
  margin-bottom: 14px;
}

.news-meta {
  font-size: 13px;
  color: var(--text-light);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.news-detail-wrap article {
  color: var(--text-secondary);
  line-height: 1.9;
}

.news-detail-wrap article h2 {
  font-size: 18px;
  color: var(--text);
  margin: 28px 0 12px;
}

.news-detail-wrap article p {
  margin-bottom: 16px;
}

.news-detail-wrap article ul {
  margin: 0 0 16px 20px;
  list-style: disc;
}

/* ---------- 联系页 ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: start;
}

.contact-info .ci-item {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}

.contact-info .ci-item:first-child {
  padding-top: 0;
}

.contact-info .ci-icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info h3 {
  font-size: 15px;
  margin-bottom: 2px;
}

.contact-info p {
  font-size: 14px;
  color: var(--text-secondary);
}

.map-box {
  margin-top: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  color: var(--text-light);
  font-size: 13px;
}

/* ---------- 表单 ---------- */

.form-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  padding: 32px;
}

.form-card h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.form-card .form-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
}

.form-group label .req {
  color: #d64545;
}

.form-control {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border-dark);
  border-radius: 6px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(29, 95, 192, 0.12);
}

textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

.form-error {
  display: none;
  font-size: 13px;
  color: #d64545;
  margin-top: 6px;
}

.form-group.invalid .form-control {
  border-color: #d64545;
}

.form-group.invalid .form-error {
  display: block;
}

.form-tip {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 12px;
}

.form-success {
  display: none;
  padding: 12px 14px;
  background: #eef7f0;
  border: 1px solid #bfe3c9;
  color: #2a7a45;
  border-radius: 6px;
  font-size: 14px;
  margin-bottom: 18px;
}

.form-success.show {
  display: block;
}

.form-fail {
  display: none;
  padding: 12px 14px;
  background: #fdf0f0;
  border: 1px solid #ecc8c8;
  color: #b63c3c;
  border-radius: 6px;
  font-size: 14px;
  margin-bottom: 18px;
}

.form-fail.show {
  display: block;
}

/* ---------- 留言板 ---------- */

.guestbook-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 40px;
  align-items: start;
}

.guestbook-rule {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--bg-gray);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.message-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

.message-item .m-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.message-item .m-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.message-item .m-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.message-item .m-name {
  font-size: 14px;
  font-weight: 600;
}

.message-item .m-time {
  font-size: 12px;
  color: var(--text-light);
}

.message-item .m-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  white-space: pre-wrap;
  word-break: break-word;
}

.m-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.btn-delete {
  background: none;
  border: none;
  font-size: 12px;
  color: var(--text-light);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
  font-family: inherit;
}

.btn-delete:hover {
  color: #d64545;
  background: #fdf0f0;
}

.message-empty {
  text-align: center;
  padding: 60px 24px;
  background: #fff;
  border: 1px dashed var(--border-dark);
  border-radius: 10px;
  color: var(--text-light);
}

.message-empty svg {
  margin: 0 auto 12px;
  opacity: 0.5;
}

.message-count {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 14px;
}

/* ---------- 滚动显现 ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

/* ---------- 响应式 ---------- */

@media (max-width: 960px) {
  .feature-grid,
  .list-grid,
  .value-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero-inner {
    grid-template-columns: 1fr;
    padding: 56px 24px;
    gap: 40px;
  }

  .hero-visual {
    max-width: 480px;
  }

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

  .about-panel {
    position: static;
  }

  .stat-band .inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 52px 0;
  }

  .hero h1 {
    font-size: 28px;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .feature-grid,
  .list-grid,
  .value-grid,
  .team-grid,
  .product-grid,
  .process-steps {
    grid-template-columns: 1fr;
  }

  .process-steps {
    counter-reset: step;
  }

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

  .cta-inner {
    flex-direction: column;
    text-align: center;
  }

  .float-card {
    position: static;
    margin-top: 16px;
  }

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