/* ==========================================================================
   12SSL.CN - 官方落地页精炼样式表
   基于 12SSL 品牌视觉系统与设计基线规范（纯粹产品展示与联系我们表单）
   ========================================================================== */

:root {
  /* 品牌色阶 - 严格遵循 12SSL 基线 */
  --ssl-logo-green: #00ab00;
  --ssl-logo-green-hover: #00cc00;
  --ssl-green: #16803c;
  --ssl-green-hover: #116530;
  --ssl-green-soft: #f0fdf4;
  --ssl-green-border: #bbf7d0;

  /* 文字与中性色 */
  --text-main: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border-light: #e2e8f0;
  --border-subtle: #f1f5f9;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-soft: #f1f5f9;

  /* 警示与状态色 */
  --color-urgent-1: #eab308;
  --color-urgent-2: #f97316;
  --color-urgent-3: #ef4444;

  /* 字体栈 */
  --font-base: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  --font-mono: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace;

  /* 圆角语义等级规范 */
  --radius-card: 8px;     /* 主卡片、面板、组合控件外框 */
  --radius-control: 6px;  /* 普通按钮、输入框、下拉框 */
  --radius-badge: 999px;  /* 状态标签、Badge */

  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  /* 容器最大宽度 */
  --max-width: 1160px;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-page);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* 布局辅助 */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* 导航栏 Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow 0.2s ease;
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-brand img {
  height: 38px;
  width: auto;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.15s ease;
  position: relative;
  padding: 8px 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--ssl-logo-green);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-control);
  transition: all 0.15s ease;
  white-space: nowrap;
  letter-spacing: 0;
}

.btn-primary {
  background-color: var(--ssl-logo-green);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--ssl-logo-green-hover);
  box-shadow: 0 4px 12px rgba(0, 171, 0, 0.25);
  transform: translateY(-1px);
}

.btn-outline {
  border: 1px solid var(--border-light);
  background-color: #ffffff;
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--ssl-logo-green);
  color: var(--ssl-logo-green);
  background-color: var(--ssl-green-soft);
}

.btn-sm {
  padding: 7px 14px;
  font-size: 13px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 15px;
}

/* 汉堡按钮 */
.menu-toggle {
  display: none;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-control);
  border: 1px solid var(--border-light);
  color: var(--text-main);
}

/* 移动端菜单：桌面版绝对隐藏 */
.mobile-menu {
  display: none !important;
}

/* 核心 Hero 区域 */
.hero-section {
  position: relative;
  padding: 64px 0 54px;
  background: radial-gradient(circle at 80% 20%, rgba(0, 171, 0, 0.08) 0%, rgba(248, 250, 252, 0) 60%),
              radial-gradient(circle at 10% 80%, rgba(15, 118, 110, 0.05) 0%, rgba(248, 250, 252, 0) 50%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.hero-content .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ssl-green);
  background-color: var(--ssl-green-soft);
  border: 1px solid var(--ssl-green-border);
  padding: 4px 12px;
  border-radius: var(--radius-badge);
  margin-bottom: 18px;
}

.hero-content h1 {
  font-size: 42px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #003324;
  margin-bottom: 14px;
}

.hero-content h1 span.highlight {
  color: var(--ssl-logo-green);
}

.hero-content .hero-subtitle {
  font-size: 19px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 12px;
}

.hero-content .hero-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 26px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 28px;
}

.hero-features {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}

.feature-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

.feature-pill svg {
  color: var(--ssl-logo-green);
  flex-shrink: 0;
}

/* 终端样式 */
.terminal-box {
  background: #0f172a;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid #1e293b;
}

.terminal-topbar {
  background: #1e293b;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.terminal-title {
  font-size: 12px;
  color: #94a3b8;
  font-family: var(--font-mono);
}

.terminal-body {
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: #e2e8f0;
}

.terminal-body .cmd {
  color: #38bdf8;
  font-weight: 600;
}

.terminal-body .success {
  color: #4ade80;
}

.terminal-body .comment {
  color: #64748b;
}

/* 证书生命周期趋势时钟 */
.timeline-section {
  padding: 28px 0 40px;
  background-color: #ffffff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.timeline-wrapper {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.timeline-header {
  margin-bottom: 20px;
}

.timeline-header h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.timeline-header p {
  font-size: 13.5px;
  color: var(--text-secondary);
}

.lifetime-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.lifetime-card {
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 10px 16px;
  min-width: 130px;
  text-align: center;
  transition: transform 0.15s ease;
}

.lifetime-card:hover {
  transform: translateY(-2px);
}

.lifetime-card .t-label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.lifetime-card strong {
  display: block;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
}

.lifetime-card.current {
  border-color: var(--color-urgent-1);
  background-color: #fefce8;
}

.lifetime-card.current strong {
  color: #ca8a04;
}

.lifetime-card.urgent-99 {
  border-color: var(--color-urgent-2);
  background-color: #fff7ed;
}

.lifetime-card.urgent-99 strong {
  color: #ea580c;
}

.lifetime-card.urgent-46 {
  border-color: var(--color-urgent-3);
  background-color: #fef2f2;
}

.lifetime-card.urgent-46 strong {
  color: #dc2626;
}

.timeline-arrow {
  color: var(--text-light);
  font-size: 16px;
}

.timeline-takeaway {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.6;
  background: var(--bg-page);
  padding: 12px 20px;
  border-radius: var(--radius-card);
  display: inline-block;
  border-left: 3px solid var(--ssl-logo-green);
}

.timeline-takeaway strong {
  color: var(--text-main);
}

/* 通用区块标题 */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 40px;
}

.section-header .section-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--ssl-green);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.section-header h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.section-header p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 核心产品区域 */
.products-section {
  padding: 70px 0;
  background-color: var(--bg-page);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: stretch;
}

/* 产品卡片 */
.product-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: #cbd5e1;
}

.product-card.featured {
  border-color: var(--ssl-logo-green);
  box-shadow: 0 4px 16px rgba(0, 171, 0, 0.12);
}

.product-card.featured::before {
  content: "推荐首选";
  position: absolute;
  top: -11px;
  right: 18px;
  background: var(--ssl-logo-green);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-badge);
}

.card-top {
  margin-bottom: 16px;
}

.product-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--ssl-green);
  background: var(--ssl-green-soft);
  padding: 2px 7px;
  border-radius: var(--radius-badge);
  margin-bottom: 10px;
}

.product-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.product-card .product-summary {
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.5;
  min-height: 38px;
}

.price-box {
  margin: 14px 0;
  padding: 12px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-currency {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
}

.price-amount {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
}

.price-period {
  font-size: 12px;
  color: var(--text-muted);
}

.price-note {
  font-size: 11px;
  color: var(--text-light);
  margin-left: auto;
}

/* 特性列表 */
.feature-list {
  margin-bottom: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.45;
}

.feature-list li svg {
  color: var(--ssl-logo-green);
  flex-shrink: 0;
  margin-top: 3px;
}

.card-action {
  margin-top: auto;
}

.card-action .btn {
  width: 100%;
}

.product-more-tip {
  margin-top: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  background: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-card);
  border: 1px dashed var(--border-light);
}

/* 三步部署流程区 */
.autossl-section {
  padding: 60px 0;
  background-color: #ffffff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.workflow-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.workflow-step-card {
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 24px;
  position: relative;
}

.wf-num {
  display: inline-flex;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--border-light);
  color: var(--text-main);
  font-size: 14px;
  font-weight: 800;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.workflow-step-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.workflow-step-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* 服务保障区域 */
.guarantee-section {
  padding: 60px 0;
  background-color: #ffffff;
}

.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.guarantee-card {
  padding: 20px;
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  transition: transform 0.2s ease;
}

.guarantee-card:hover {
  transform: translateY(-2px);
  border-color: #cbd5e1;
}

.guarantee-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-card);
  background: #ffffff;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ssl-logo-green);
  margin-bottom: 14px;
}

.guarantee-card h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.guarantee-card p {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* 常见问题 FAQ */
.faq-section {
  padding: 64px 0;
  background-color: var(--bg-page);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color 0.15s ease;
}

.faq-item:hover {
  border-color: #cbd5e1;
}

.faq-item[open] {
  border-color: var(--ssl-logo-green);
}

.faq-question {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  list-style: none;
}

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

.faq-arrow {
  color: var(--text-muted);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-item[open] .faq-arrow {
  transform: rotate(180deg);
  color: var(--ssl-logo-green);
}

.faq-answer {
  padding: 0 20px 18px;
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.6;
  border-top: 1px solid #f1f5f9;
  padding-top: 14px;
}

/* ==========================================================================
   核心板块：联系我们与表格提交单 (Contact Us Section)
   精简无地址、无付款信息，聚焦高效需求提交
   ========================================================================== */
.contact-section {
  padding: 70px 0 80px;
  background: linear-gradient(180deg, #f8fafc 0%, #f0fdf4 100%);
}

.contact-card-wrapper {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
}

/* 左侧信息栏 */
.contact-info-panel {
  padding: 40px;
  background: #0f172a;
  color: #e2e8f0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--ssl-logo-green);
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}

.contact-info-panel h2 {
  font-size: 28px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
}

.contact-intro {
  font-size: 14px;
  color: #94a3b8;
  line-height: 1.65;
  margin-bottom: 28px;
}

.contact-intro strong {
  color: #4ade80;
}

.contact-meta-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-bottom: 1px solid #1e293b;
  padding-bottom: 12px;
}

.meta-label {
  font-size: 11px;
  font-weight: 600;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.meta-value {
  font-size: 14px;
  font-weight: 500;
  color: #f1f5f9;
}

.icp-tag {
  color: #38bdf8;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.icp-tag:hover {
  color: #7dd3fc;
}

.email-val {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-copy-email {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: #38bdf8;
  background: #1e293b;
  padding: 2px 7px;
  border-radius: 4px;
  transition: all 0.15s ease;
}

.btn-copy-email:hover {
  background: #334155;
  color: #ffffff;
}

.qq-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #38bdf8;
  font-weight: 600;
  transition: color 0.15s ease;
}

.qq-link:hover {
  color: #7dd3fc;
  text-decoration: underline;
}

.contact-tip-box {
  padding: 12px 14px;
  background: rgba(0, 171, 0, 0.1);
  border: 1px solid rgba(0, 171, 0, 0.25);
  border-radius: var(--radius-card);
  font-size: 12px;
  color: #4ade80;
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.contact-tip-box svg {
  flex-shrink: 0;
  margin-top: 1px;
}

/* 右侧联系表格提交单 */
.contact-form-panel {
  padding: 40px;
}

.form-title-group {
  margin-bottom: 24px;
}

.form-title-group h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.form-title-group p {
  font-size: 13px;
  color: var(--text-secondary);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-main);
}

.form-label .required {
  color: #ef4444;
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: 9px 12px;
  font-size: 13.5px;
  color: var(--text-main);
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-control);
  transition: all 0.15s ease;
  outline: none;
}

.form-control:focus {
  border-color: var(--ssl-logo-green);
  box-shadow: 0 0 0 3px rgba(0, 171, 0, 0.15);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

textarea.form-control {
  resize: vertical;
}

/* 精炼页脚 Footer */
.site-footer {
  background-color: #0f172a;
  color: #94a3b8;
  padding: 36px 0 24px;
  border-top: 1px solid #1e293b;
}

.footer-simple-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid #1e293b;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-legal-text {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: #94a3b8;
}

.dot-sep {
  color: #475569;
}

.icp-link {
  color: #38bdf8;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.icp-link:hover {
  color: #7dd3fc;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-right a {
  font-size: 13px;
  color: #cbd5e1;
  transition: color 0.15s ease;
}

.footer-right a:hover {
  color: #ffffff;
}

.footer-copyright-bar {
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  color: #64748b;
}

/* Toast 提示浮层 */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #0f172a;
  color: #ffffff;
  padding: 10px 18px;
  border-radius: var(--radius-control);
  font-size: 13.5px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-xl);
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.toast-notice svg {
  color: #4ade80;
}

/* 响应式媒体查询适配 */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

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

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

@media (max-width: 768px) {
  .header-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

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

  .hero-content .hero-subtitle {
    font-size: 17px;
  }

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-info-panel,
  .contact-form-panel {
    padding: 24px;
  }

  .footer-simple-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .lifetime-flow {
    flex-direction: column;
    gap: 8px;
  }

  .timeline-arrow {
    transform: rotate(90deg);
  }

  .lifetime-card {
    width: 100%;
  }

  /* 移动端菜单弹窗 */
  .mobile-menu {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid var(--border-light);
    padding: 20px 24px;
    box-shadow: var(--shadow-lg);
    z-index: 99;
    flex-direction: column;
    gap: 14px;
  }

  .mobile-menu.open {
    display: flex !important;
  }

  .mobile-menu .nav-link {
    font-size: 15px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-light);
  }
}