/* ============================================
   shopifyzh.com - 全站样式
   ============================================ */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f6f6f1;
  --color-bg-cream: #fbf7ed;
  --color-text: #1a1a1a;
  --color-text-secondary: #4a4a4a;
  --color-text-muted: #6b7177;
  --color-border: #e3e3e3;
  --color-border-strong: #1a1a1a;
  --color-primary: #008060;
  --color-primary-dark: #004c3f;
  --color-primary-darker: #002e25;
  --color-accent: #f2c94c;
  --color-link: #006b54;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.05);

  --max-width: 1200px;
  --section-padding: 96px;

  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", "Source Han Sans CN", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --font-display: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  font-feature-settings: "kern" 1;
}

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

a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--color-primary); }

button { font-family: inherit; cursor: pointer; border: none; background: none; }

ul { list-style: none; }

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

/* ============================================
   排版
   ============================================ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-text);
  letter-spacing: -0.02em;
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(40px, 6vw, 72px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.05; }
h2 { font-size: clamp(32px, 4vw, 52px); font-weight: 700; line-height: 1.1; }
h3 { font-size: clamp(22px, 2.2vw, 28px); font-weight: 600; }
h4 { font-size: 18px; font-weight: 600; }

p { color: var(--color-text-secondary); }

.lead {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
  color: var(--color-text-secondary);
  font-weight: 400;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* ============================================
   按钮
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: all .2s ease;
  cursor: pointer;
  white-space: nowrap;
  border: 1.5px solid transparent;
}

.btn-primary {
  background: var(--color-primary-darker);
  color: #fff;
  border-color: var(--color-primary-darker);
}
.btn-primary:hover { background: #000; border-color: #000; color: #fff; }

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
}
.btn-secondary:hover { background: var(--color-text); color: #fff; }

.btn-light {
  background: #fff;
  color: var(--color-primary-darker);
  border-color: #fff;
}
.btn-light:hover { background: var(--color-bg-alt); }

.btn-ghost { padding: 12px 0; color: var(--color-text); font-weight: 600; }
.btn-ghost:hover { color: var(--color-primary); }

.btn-lg { padding: 16px 32px; font-size: 16px; }

/* ============================================
   导航栏
   ============================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 247, 237, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 32px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 22px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.nav-brand svg { width: 28px; height: 28px; }
.nav-brand:hover { color: var(--color-text); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  margin-left: 24px;
}
.nav-menu a {
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background .15s ease;
}
.nav-menu a:hover { background: rgba(0, 0, 0, 0.06); color: var(--color-text); }
.nav-menu a.active { font-weight: 600; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.nav-actions .btn { padding: 10px 18px; font-size: 14px; }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
}
.nav-toggle:hover { background: rgba(0, 0, 0, 0.06); }
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  position: relative;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--color-text);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* ============================================
   Hero
   ============================================ */
.hero {
  background: var(--color-bg-cream);
  padding: 80px 0 96px;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-text h1 { margin-bottom: 24px; }
.hero-text h1 em {
  font-style: normal;
  color: var(--color-primary-dark);
}
.hero-text .lead { margin-bottom: 32px; max-width: 540px; }

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero-note {
  font-size: 14px;
  color: var(--color-text-muted);
}

.hero-visual {
  position: relative;
  height: 480px;
}
.hero-card {
  position: absolute;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 20px;
}
.hero-card-main {
  top: 20px;
  left: 0;
  right: 0;
  bottom: 20px;
  background: linear-gradient(160deg, #004c3f 0%, #008060 100%);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  padding: 40px;
}
.hero-card-main-inner {
  text-align: center;
}
.hero-card-main-inner .num {
  font-size: 64px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}
.hero-card-main-inner .label {
  font-size: 14px;
  opacity: 0.85;
  margin-bottom: 24px;
}
.hero-card-main-inner ul {
  text-align: left;
  display: inline-block;
}
.hero-card-main-inner li {
  padding: 6px 0;
  font-size: 14px;
  opacity: 0.92;
}
.hero-card-main-inner li::before {
  content: "✓";
  margin-right: 10px;
  color: var(--color-accent);
  font-weight: 700;
}

.hero-card-mini {
  position: absolute;
  width: 200px;
  background: #fff;
  padding: 16px;
}
.hero-card-mini.top {
  top: -10px;
  right: -20px;
  transform: rotate(3deg);
}
.hero-card-mini.bottom {
  bottom: -10px;
  left: -20px;
  transform: rotate(-3deg);
}
.hero-card-mini .mini-label {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}
.hero-card-mini .mini-val {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.hero-card-mini .mini-trend {
  font-size: 12px;
  color: var(--color-primary);
  margin-top: 4px;
  font-weight: 600;
}

/* ============================================
   通用 section
   ============================================ */
section { padding: var(--section-padding) 0; }

.section-head {
  max-width: 720px;
  margin: 0 auto 64px;
  text-align: center;
}
.section-head h2 { margin-bottom: 16px; }
.section-head p { font-size: 18px; color: var(--color-text-secondary); }

.section-head.left { text-align: left; margin-left: 0; margin-right: auto; }

/* ============================================
   功能网格
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all .25s ease;
}
.feature-card:hover {
  border-color: var(--color-text);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: #ecf6f2;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--color-primary-dark);
}
.feature-icon svg { width: 24px; height: 24px; }
.feature-card h3 { font-size: 20px; margin-bottom: 8px; }
.feature-card p { font-size: 15px; line-height: 1.6; }

/* ============================================
   双栏内容
   ============================================ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.split.reverse .split-text { order: 2; }
.split.reverse .split-visual { order: 1; }

.split-text h2 { margin-bottom: 24px; }
.split-text p { font-size: 17px; margin-bottom: 20px; }

.split-text ul { margin: 24px 0 32px; }
.split-text ul li {
  padding: 10px 0 10px 32px;
  position: relative;
  font-size: 16px;
  color: var(--color-text);
}
.split-text ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 18px;
  height: 18px;
  background: var(--color-primary);
  border-radius: 50%;
}
.split-text ul li::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 21px;
  width: 8px;
  height: 4px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}

.split-visual {
  background: var(--color-bg-cream);
  border-radius: var(--radius-lg);
  padding: 40px;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================
   行业方案卡片
   ============================================ */
.solutions {
  background: var(--color-bg-alt);
}
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.solution-tile {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 28px 24px;
  border: 1px solid var(--color-border);
  transition: all .2s ease;
}
.solution-tile:hover { border-color: var(--color-primary); }
.solution-tile h4 { font-size: 17px; margin-bottom: 8px; }
.solution-tile p { font-size: 14px; line-height: 1.55; color: var(--color-text-muted); }

/* ============================================
   定价卡
   ============================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.pricing-card {
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
}
.pricing-card.featured {
  border-color: var(--color-text);
  background: var(--color-text);
  color: #fff;
  position: relative;
}
.pricing-card.featured h3,
.pricing-card.featured .price-amount,
.pricing-card.featured .price-unit { color: #fff; }
.pricing-card.featured .pricing-features li { color: rgba(255,255,255,.85); }
.pricing-card.featured .pricing-features li::before { background: var(--color-primary); }
.pricing-card.featured .badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--color-accent);
  color: var(--color-text);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.pricing-card h3 { font-size: 22px; margin-bottom: 8px; }
.pricing-desc { font-size: 14px; color: var(--color-text-muted); margin-bottom: 24px; min-height: 42px; }
.pricing-card.featured .pricing-desc { color: rgba(255,255,255,.7); }

.price-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 8px;
}
.price-amount {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text);
  line-height: 1;
}
.price-unit { font-size: 14px; color: var(--color-text-muted); }
.price-note { font-size: 13px; color: var(--color-text-muted); margin-bottom: 28px; }
.pricing-card.featured .price-note { color: rgba(255,255,255,.6); }

.pricing-features {
  margin: 0 0 32px;
  flex: 1;
}
.pricing-features li {
  padding: 8px 0 8px 24px;
  font-size: 14px;
  position: relative;
  color: var(--color-text-secondary);
}
.pricing-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(-45deg);
}

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

/* ============================================
   CTA 区块
   ============================================ */
.cta-section {
  background: var(--color-primary-darker);
  color: #fff;
  text-align: center;
}
.cta-section h2 { color: #fff; margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,.8); font-size: 18px; max-width: 600px; margin: 0 auto 32px; }
.cta-section .btn-primary { background: var(--color-accent); color: var(--color-text); border-color: var(--color-accent); }
.cta-section .btn-primary:hover { background: #fff; border-color: #fff; }

/* ============================================
   页脚
   ============================================ */
.footer {
  background: var(--color-text);
  color: rgba(255,255,255,.7);
  padding: 72px 0 32px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .nav-brand { color: #fff; margin-bottom: 16px; font-size: 22px; }
.footer-brand .nav-brand:hover { color: #fff; }
.footer-brand p { color: rgba(255,255,255,.6); font-size: 14px; line-height: 1.7; max-width: 320px; }

.footer-col h5 {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.footer-col ul li { padding: 6px 0; color: rgba(255,255,255,.6); }
.footer-col ul li.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
}
.footer-col ul li.contact-item span:first-child {
  color: rgba(255,255,255,.4);
  flex-shrink: 0;
  font-size: 13px;
  min-width: 56px;
}
.footer-col ul li.contact-item span:last-child { color: rgba(255,255,255,.85); }

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,.5);
}

/* ============================================
   页面 banner / 页头
   ============================================ */
.page-header {
  background: var(--color-bg-cream);
  padding: 80px 0 64px;
  text-align: center;
}
.page-header .eyebrow { color: var(--color-primary-dark); }
.page-header h1 {
  font-size: clamp(36px, 5vw, 60px);
  margin-bottom: 20px;
}
.page-header p {
  font-size: 18px;
  max-width: 680px;
  margin: 0 auto;
  color: var(--color-text-secondary);
}

/* ============================================
   功能页面 - 分类区块
   ============================================ */
.feature-block {
  padding: 80px 0;
  border-bottom: 1px solid var(--color-border);
}
.feature-block:last-child { border-bottom: none; }
.feature-block-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 80px;
}
.feature-block-title h2 {
  font-size: clamp(28px, 3vw, 36px);
  margin-bottom: 16px;
}
.feature-block-title p {
  font-size: 15px;
  color: var(--color-text-muted);
}
.feature-block-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.feature-item h4 {
  font-size: 17px;
  margin-bottom: 6px;
  color: var(--color-text);
}
.feature-item p {
  font-size: 14px;
  line-height: 1.6;
}

/* ============================================
   对比表
   ============================================ */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.compare-table th,
.compare-table td {
  padding: 16px 20px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--color-border);
}
.compare-table th {
  background: var(--color-bg-alt);
  font-weight: 600;
  color: var(--color-text);
}
.compare-table th:not(:first-child),
.compare-table td:not(:first-child) { text-align: center; }
.compare-table td:first-child { color: var(--color-text); font-weight: 500; }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table .yes { color: var(--color-primary); font-weight: 700; }
.compare-table .no { color: #ccc; }

/* ============================================
   FAQ
   ============================================ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 24px 0;
}
.faq-item h4 {
  font-size: 18px;
  margin-bottom: 12px;
  color: var(--color-text);
}
.faq-item p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

/* ============================================
   About / 公司介绍
   ============================================ */
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  background: var(--color-bg-cream);
  padding: 48px;
  border-radius: var(--radius-lg);
  margin: 48px 0;
}
.stat-item .stat-num {
  font-size: 40px;
  font-weight: 800;
  color: var(--color-primary-dark);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-item .stat-label {
  font-size: 14px;
  color: var(--color-text-muted);
}

.about-content {
  max-width: 780px;
  margin: 0 auto;
}
.about-content h2 {
  font-size: 32px;
  margin: 48px 0 16px;
}
.about-content p {
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 20px;
  color: var(--color-text-secondary);
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  :root { --section-padding: 64px; }

  .nav-menu, .nav-actions .btn-ghost { display: none; }
  .nav-toggle { display: flex; }

  .hero { padding: 56px 0 64px; }
  .hero-inner { grid-template-columns: 1fr; gap: 56px; }
  .hero-visual { height: 380px; max-width: 420px; margin: 0 auto; width: 100%; }
  .hero-cta { justify-content: flex-start; }

  .split { grid-template-columns: 1fr; gap: 48px; }
  .split.reverse .split-text { order: 1; }
  .split.reverse .split-visual { order: 2; }
  .split-visual { min-height: 280px; padding: 32px; }

  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .feature-block-grid { grid-template-columns: 1fr; gap: 32px; }
  .feature-block-list { grid-template-columns: 1fr; gap: 24px; }

  .about-stats { padding: 32px 24px; }

  .compare-table th, .compare-table td { padding: 12px 10px; font-size: 13px; }
}

@media (max-width: 520px) {
  .features-grid { grid-template-columns: 1fr; }
  .solutions-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; gap: 20px; }
  .hero-card-mini { width: 160px; padding: 14px; }
  .hero-card-mini .mini-val { font-size: 18px; }
  .hero-card-main { padding: 28px 20px; }
  .hero-card-main-inner .num { font-size: 48px; }
  .pricing-card { padding: 28px 24px; }
}

/* ============================================
   响应式菜单展开（CSS-only checkbox）
   ============================================ */
#nav-toggle-input { display: none; }

@media (max-width: 860px) {
  #nav-toggle-input:checked ~ .nav-menu {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    margin-left: 0;
    gap: 0;
  }
  #nav-toggle-input:checked ~ .nav-menu a {
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
  }
  #nav-toggle-input:checked ~ .nav-menu a:last-child {
    border-bottom: none;
  }
}