/* =========================================================
   szzhuche.com · 今日吃瓜 整站样式
   农业产地风：主绿 #2e6b34 / 收获黄 #f2c14e / 米白底 #f7f3e8
   ========================================================= */

/* =========================================================
   Base · 基础变量、重置、字体、全局元素
   ========================================================= */
:root {
  --green: #2e6b34;
  --green-dark: #245728;
  --green-light: #e8ede4;
  --yellow: #f2c14e;
  --cream: #f7f3e8;
  --ink: #33382e;
  --ink-soft: #5a6052;
  --white: #ffffff;
  --radius: 8px;
  --radius-sm: 4px;
  --container: 1200px;
  --text-width: 780px;
  --shadow: 0 2px 10px rgba(51, 56, 46, 0.08);
  --shadow-hover: 0 6px 18px rgba(51, 56, 46, 0.12);
  --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  background-color: var(--cream);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--green);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--green-dark);
  text-decoration: underline;
}

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

p {
  margin-bottom: 0.8em;
}

p:last-child {
  margin-bottom: 0;
}

/* =========================================================
   Layout · 全站骨架：页头、页脚、主容器、面包屑、标题区
   ========================================================= */

/* --- 页头 --- */
.site-header {
  background-color: var(--white);
  border-bottom: 3px solid var(--green);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}

.brand-link:hover {
  text-decoration: none;
}

.brand-name {
  font-size: 26px;
  font-weight: 800;
  color: var(--green);
  letter-spacing: 0;
}

.brand-slogan {
  font-size: 13px;
  color: var(--ink-soft);
  white-space: nowrap;
}

/* --- 主导航 --- */
.site-nav {
  display: block;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  border-radius: var(--radius-sm);
  transition: color 0.2s, background-color 0.2s;
  text-decoration: none;
}

.nav-link:hover {
  color: var(--green);
  background-color: var(--green-light);
  text-decoration: none;
}

.nav-link.is-current {
  color: var(--green);
  background-color: var(--green-light);
  font-weight: 700;
}

/* 汉堡按钮（默认隐藏，移动端显示） */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  background: none;
  border: 1px solid var(--green-light);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--green);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* --- 主容器 --- */
.site-main {
  min-height: 60vh;
}

.inner-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px 24px 64px;
}

/* --- 面包屑 --- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: var(--green);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-sep {
  color: var(--ink-soft);
  opacity: 0.6;
}

.breadcrumb-current {
  color: var(--ink);
  font-weight: 500;
}

/* --- 页面标题区（内页统一） --- */
.page-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--green-light);
}

.page-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 10px;
}

.page-description {
  font-size: 16px;
  color: var(--ink-soft);
  max-width: var(--text-width);
  line-height: 1.8;
}

/* --- 页脚 --- */
.site-footer {
  background-color: var(--ink);
  color: rgba(255, 255, 255, 0.85);
  margin-top: 0;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 24px 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--yellow);
  margin-bottom: 14px;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-link {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-link:hover {
  color: var(--yellow);
  text-decoration: underline;
}

.footer-copy {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 24px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
}

/* =========================================================
   Components · 通用组件
   ========================================================= */

/* --- 按钮 --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 28px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
  border: 2px solid transparent;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background-color: var(--green);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--green-dark);
  color: var(--white);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--green);
  color: var(--green);
}

.btn-secondary:hover {
  background-color: var(--green);
  color: var(--white);
}

/* --- 文字链接 --- */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  font-size: 15px;
  color: var(--green);
  text-decoration: none;
}

.text-link:hover {
  color: var(--green-dark);
  text-decoration: underline;
}

/* --- 区块标题 --- */
.section-heading {
  margin-bottom: 28px;
}

.section-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 8px;
}

.section-desc {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: var(--text-width);
}

.section-intro {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: var(--text-width);
  margin-bottom: 20px;
}

/* --- 首页板块通用 --- */
.home-main > section {
  padding: 56px 24px;
}

.home-main > section:nth-child(even) {
  background-color: var(--white);
}

/* =========================================================
   Pages · 首页
   ========================================================= */

/* --- 首屏上部 --- */
.hero-upper {
  background-color: var(--cream);
  padding: 64px 24px 40px;
}

.hero-copy {
  max-width: var(--container);
  margin: 0 auto;
}

.hero-title {
  font-size: 38px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 16px;
  max-width: 720px;
}

.hero-lead {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 640px;
  margin-bottom: 28px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- 首屏下部：本季主推品类 --- */
.hero-lower {
  background-color: var(--cream);
  padding-top: 0;
}

.hero-lower .section-heading {
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
}

.category-cards {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.category-card {
  background-color: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  padding: 16px 20px 4px;
}

.card-desc {
  font-size: 14px;
  color: var(--ink-soft);
  padding: 0 20px 20px;
  line-height: 1.7;
  flex-grow: 1;
}

/* --- 服务能力矩阵 --- */
.services {
  background-color: var(--white);
}

.services .section-heading,
.services-grid {
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
}

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

.service-item {
  background-color: var(--cream);
  border-radius: var(--radius);
  padding: 28px 24px;
  border-top: 4px solid var(--green);
  transition: box-shadow 0.2s ease;
}

.service-item:hover {
  box-shadow: var(--shadow-hover);
}

.service-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 12px;
}

.service-text {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.75;
  margin-bottom: 8px;
}

.service-text:last-child {
  margin-bottom: 0;
}

/* --- 批次记录说明条 --- */
.batch-summary {
  background-color: var(--cream);
}

.batch-summary .section-heading,
.batch-fields-list,
.batch-more {
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
}

.batch-fields-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.batch-field-item {
  background-color: var(--white);
  border: 1px solid var(--green-light);
  border-radius: var(--radius);
  padding: 16px 18px;
  font-size: 15px;
  color: var(--ink);
  text-align: center;
  font-weight: 500;
  position: relative;
}

.batch-more {
  text-align: center;
}

/* --- 合作流程预览 --- */
.cooperation-preview {
  background-color: var(--white);
}

.cooperation-preview .section-heading,
.steps-list,
.cooperation-more {
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
}

.steps-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.step-item {
  background-color: var(--cream);
  border-radius: var(--radius);
  padding: 24px 20px;
  position: relative;
  transition: box-shadow 0.2s ease;
}

.step-item:hover {
  box-shadow: var(--shadow-hover);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--yellow);
  color: var(--ink);
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 12px;
}

.step-content h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}

.step-desc {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.cooperation-more {
  text-align: center;
}

/* --- FAQ 预览 --- */
.faq-preview {
  background-color: var(--cream);
}

.faq-preview .section-heading,
.faq-preview-list,
.faq-more-link {
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
}

.faq-preview-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.faq-preview-item {
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  border-left: 4px solid var(--green);
  box-shadow: var(--shadow);
}

.faq-q {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.faq-a {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 12px;
}

.faq-preview-item .text-link {
  font-size: 14px;
}

.faq-more-link {
  text-align: center;
}

/* --- 页脚前合作入口 --- */
.cta-band {
  background-color: var(--green);
  padding: 48px 24px;
  text-align: center;
}

.cta-text {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}

.cta-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-band .btn-primary {
  background-color: var(--yellow);
  color: var(--ink);
}

.cta-band .btn-primary:hover {
  background-color: #e0ae38;
}

.cta-band .btn-secondary {
  border-color: var(--white);
  color: var(--white);
}

.cta-band .btn-secondary:hover {
  background-color: var(--white);
  color: var(--green);
}

/* --- 首页相关链接 --- */
.related-links {
  max-width: var(--container);
  margin: 0 auto;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.related-links-label {
  font-size: 14px;
  color: var(--ink-soft);
}

.related-links-item {
  display: inline-block;
  padding: 8px 16px;
  background-color: var(--white);
  border: 1px solid var(--green-light);
  border-radius: 20px;
  font-size: 14px;
  color: var(--green);
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s;
}

.related-links-item:hover {
  background-color: var(--green);
  color: var(--white);
  text-decoration: none;
}

/* =========================================================
   Pages · 产地档案 origin.html
   ========================================================= */

.page-header-media {
  margin-top: 24px;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-header-image {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.origin-section {
  margin-bottom: 48px;
}

.origin-section .section-title {
  margin-bottom: 8px;
}

.origin-section .section-intro {
  margin-bottom: 24px;
}

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

.manage-card {
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--green-light);
  border-top: 4px solid var(--green);
}

.manage-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 10px;
}

.manage-card-text {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.75;
}

.harvest-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 20px;
}

.harvest-item {
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--green-light);
}

.harvest-item-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 10px;
}

.harvest-item-text {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.75;
}

.section-note {
  font-size: 14px;
  color: var(--ink-soft);
  background-color: var(--green-light);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
}

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

.standard-item {
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 24px 20px;
  border-top: 4px solid var(--yellow);
}

.standard-item-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.standard-item-text {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* 相关栏目导航（产地页） */
.related-links {
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.related-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.related-text {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.related-link-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.related-link-card {
  display: block;
  background-color: var(--cream);
  border-radius: var(--radius);
  padding: 20px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--green);
  text-decoration: none;
  border: 1px solid var(--green-light);
  transition: background-color 0.2s, color 0.2s;
}

.related-link-card:hover {
  background-color: var(--green);
  color: var(--white);
  text-decoration: none;
}

/* =========================================================
   Pages · 产品系列 products.html
   ========================================================= */

/* 品类网格 */
.category-grid .category-cards {
  margin-bottom: 8px;
}

.category-figure {
  margin: 0;
  position: relative;
  overflow: hidden;
}

.category-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.category-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(51, 56, 46, 0.7);
  color: var(--white);
  font-size: 13px;
  padding: 6px 14px;
  text-align: center;
}

.category-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  padding: 16px 20px 4px;
}

.category-desc {
  font-size: 14px;
  color: var(--ink-soft);
  padding: 0 20px;
  line-height: 1.7;
  flex-grow: 1;
}

.category-card .text-link {
  margin: 0 20px 20px;
  font-size: 14px;
}

/* 供货规格表 */
.spec-section {
  margin-top: 48px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.spec-table th,
.spec-table td {
  padding: 14px 18px;
  text-align: left;
  font-size: 15px;
  border-bottom: 1px solid var(--green-light);
}

.spec-table th {
  background-color: var(--green);
  color: var(--white);
  font-weight: 600;
  white-space: nowrap;
}

.spec-table td {
  color: var(--ink);
}

.spec-table tr:last-child td {
  border-bottom: none;
}

.spec-table tr:hover td {
  background-color: var(--cream);
}

.spec-note {
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 12px;
  padding-left: 4px;
}

/* 采购场景 */
.purchase-scenarios {
  margin-top: 48px;
}

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

.scenario-item {
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--green-light);
  border-bottom: 4px solid var(--yellow);
  transition: box-shadow 0.2s ease;
}

.scenario-item:hover {
  box-shadow: var(--shadow-hover);
}

.scenario-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 8px;
}

.scenario-desc {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.75;
  margin-bottom: 16px;
}

.scenario-item .text-link {
  font-size: 14px;
}

/* FAQ 入口 */
.faq-entry {
  margin-top: 48px;
  background-color: var(--green-light);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.faq-entry .section-intro {
  margin-bottom: 16px;
}

/* =========================================================
   Pages · 批次记录 batches.html
   ========================================================= */

.batch-fields {
  margin-bottom: 48px;
}

.batch-fields-table-wrap {
  overflow-x: auto;
  background-color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.batch-fields-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.batch-fields-table th,
.batch-fields-table td {
  padding: 14px 18px;
  text-align: left;
  font-size: 15px;
  border-bottom: 1px solid var(--green-light);
}

.batch-fields-table th {
  background-color: var(--green);
  color: var(--white);
  font-weight: 600;
}

.batch-fields-table tr:last-child td {
  border-bottom: none;
}

.batch-fields-table tr:hover td {
  background-color: var(--cream);
}

/* 用途 */
.batch-usage {
  margin-bottom: 48px;
}

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

.usage-item {
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 24px 20px;
  border-top: 4px solid var(--green);
}

.usage-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.usage-item p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* 如何依据批次选择 */
.batch-selection {
  margin-bottom: 48px;
}

.selection-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.selection-step {
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 24px 20px;
  border: 1px solid var(--green-light);
  position: relative;
}

.selection-step .step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--yellow);
  color: var(--ink);
  font-weight: 800;
  font-size: 15px;
  margin-bottom: 10px;
}

.selection-step h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.selection-step p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.batch-selection-note {
  background-color: var(--green-light);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.batch-selection-note p {
  font-size: 14px;
  color: var(--ink-soft);
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.batch-selection-note a {
  color: var(--green);
  font-weight: 600;
}

/* 批次配图 */
.batch-media {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.batch-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.batch-media figcaption {
  background-color: var(--white);
  padding: 12px 18px;
  font-size: 14px;
  color: var(--ink-soft);
  text-align: center;
}

/* =========================================================
   Pages · 合作流程 cooperation.html
   ========================================================= */

.page-media {
  margin-top: 24px;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-hero-img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.cooperation-overview {
  margin-bottom: 48px;
}

.overview-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.overview-item {
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  border: 1px solid var(--green-light);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.overview-item strong {
  font-size: 17px;
  font-weight: 700;
  color: var(--green);
}

.overview-item span {
  font-size: 14px;
  color: var(--ink-soft);
}

.overview-link {
  font-size: 14px;
}

/* 步骤详情（垂直） */
.cooperation-steps {
  margin-bottom: 48px;
}

.cooperation-steps .step-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  margin-bottom: 16px;
  border-left: 4px solid var(--green);
  position: relative;
}

.cooperation-steps .step-number {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--yellow);
  color: var(--ink);
  font-weight: 800;
  font-size: 18px;
}

.cooperation-steps .step-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.cooperation-steps .step-text {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.75;
}

/* 采购准备 */
.preparation {
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--green-light);
}

.preparation-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.preparation-item {
  background-color: var(--cream);
  border-radius: var(--radius);
  padding: 20px 18px;
  font-size: 15px;
  color: var(--ink);
  line-height: 1.7;
}

.preparation-item strong {
  display: block;
  color: var(--green);
  margin-bottom: 4px;
  font-size: 16px;
}

.preparation-more {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

/* =========================================================
   Pages · 常见问题 faq.html
   ========================================================= */

.page-header-media {
  margin-top: 24px;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-header-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.faq-group {
  margin-bottom: 40px;
}

.faq-group-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--green-light);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background-color: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--green-light);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-hover);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.faq-question::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--green);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 20px 18px;
}

.faq-answer p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.75;
  margin-bottom: 8px;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

/* 反馈入口 */
.faq-feedback {
  background-color: var(--green-light);
  border-radius: var(--radius);
  padding: 28px 24px;
  margin-top: 40px;
}

.faq-feedback-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.faq-feedback-text {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

.faq-feedback-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

/* =========================================================
   Pages · 404
   ========================================================= */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 48px 24px;
}

.error-panel {
  text-align: center;
  max-width: 480px;
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 48px 40px;
  box-shadow: var(--shadow);
}

.error-code {
  font-size: 64px;
  font-weight: 800;
  color: var(--green);
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 24px;
}

.error-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 28px;
  background-color: var(--green);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.2s;
}

.error-link:hover {
  background-color: var(--green-dark);
  color: var(--white);
  text-decoration: none;
}

/* =========================================================
   Responsive · 响应式
   ========================================================= */

/* --- 平板 992px --- */
@media (max-width: 992px) {
  .header-inner {
    padding: 0 20px;
  }

  .brand-slogan {
    display: none;
  }

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

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

/* --- 手机 768px --- */
@media (max-width: 768px) {
  h1 {
    font-size: 26px;
  }

  h2 {
    font-size: 21px;
  }

  .header-inner {
    min-height: 64px;
    flex-wrap: wrap;
    padding: 10px 16px;
    gap: 8px;
  }

  .brand-name {
    font-size: 22px;
  }

  /* 汉堡按钮显示 */
  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  /* 导航列表默认收起 */
  .site-nav {
    order: 3;
    width: 100%;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 0;
    border-top: 1px solid var(--green-light);
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-link {
    padding: 14px 16px;
    font-size: 16px;
    border-radius: 0;
    border-bottom: 1px solid var(--green-light);
  }

  .nav-link.is-current {
    background-color: var(--green-light);
  }

  .inner-main {
    padding: 24px 16px 48px;
  }

  .page-header {
    margin-bottom: 28px;
  }

  .page-title {
    font-size: 26px;
  }

  .page-description {
    font-size: 15px;
  }

  .breadcrumb {
    font-size: 13px;
    margin-bottom: 16px;
  }

  /* 首页 */
  .hero-upper {
    padding: 40px 16px 28px;
  }

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

  .hero-lead {
    font-size: 16px;
  }

  .home-main > section {
    padding: 40px 16px;
  }

  .category-cards,
  .services-grid,
  .steps-list,
  .faq-preview-list,
  .batch-fields-list,
  .manage-grid,
  .harvest-list,
  .standard-list,
  .related-link-grid,
  .scenario-list,
  .usage-list,
  .selection-steps,
  .preparation-list {
    grid-template-columns: 1fr;
  }

  .overview-list {
    grid-template-columns: 1fr;
  }

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

  .card-img,
  .category-figure img {
    height: 180px;
  }

  /* 按钮 */
  .hero-actions,
  .cta-links {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  /* 页脚 */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 32px 20px 20px;
  }

  .footer-copy {
    padding: 14px 20px 20px;
  }

  /* 表格 */
  .spec-table th,
  .spec-table td {
    padding: 10px 12px;
    font-size: 14px;
  }

  /* 合作步骤 */
  .cooperation-steps .step-item {
    flex-direction: column;
    gap: 12px;
    padding: 20px 16px;
  }

  /* 图片 */
  .page-header-image,
  .page-hero-img,
  .batch-image,
  .page-header-img {
    height: 200px;
  }

  /* 相关链接 */
  .related-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .batch-selection-note p {
    flex-direction: column;
    gap: 8px;
  }
}

/* --- 小屏 390px 补充 --- */
@media (max-width: 390px) {
  .header-inner {
    padding: 8px 12px;
  }

  .brand-name {
    font-size: 20px;
  }

  .hero-title {
    font-size: 24px;
  }

  .cta-text {
    font-size: 19px;
  }

  .batch-fields-list {
    grid-template-columns: 1fr;
  }

  .overview-item {
    padding: 16px 12px;
  }

  .faq-question {
    font-size: 15px;
    padding: 14px 16px;
  }

  .faq-answer {
    padding: 0 16px 14px;
  }

  .error-panel {
    padding: 32px 24px;
  }

  .error-code {
    font-size: 48px;
  }
}