/* =========================================================
   base.css —— 设计变量、基础重置、排版
   说明：全站颜色 / 间距 / 字体在这里统一定义，
        换行业换品牌时只需改 :root 里的变量。
   ========================================================= */

:root {
  /* 品牌色：茉莉绿 + 茶白 + 金 */
  --color-primary: #5E8C61;
  --color-primary-dark: #38523C;
  --color-primary-deeper: #2F4633;
  --color-primary-light: #8FAF91;
  --color-accent: #C9A96A;
  --color-accent-dark: #B08D4A;
  --color-bg: #FAF7F0;        /* 茶白底 */
  --color-bg-alt: #F3EDE0;    /* 浅茶 */
  --color-surface: #FFFFFF;
  --color-text: #2F2B25;
  --color-text-light: #6E6659;
  --color-border: #E5DCC8;
  --color-danger: #B4472F;

  /* 圆角 / 阴影 */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(47, 70, 51, 0.08);
  --shadow-md: 0 8px 24px rgba(47, 70, 51, 0.12);

  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
  --font-serif: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;

  /* 布局 */
  --container: 1180px;
  --header-h: 72px;
}

/* ---------- 基础重置 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

ul,
ol {
  list-style: none;
}

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

input,
textarea,
select {
  font-family: inherit;
  font-size: 1rem;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  line-height: 1.35;
  color: var(--color-primary-deeper);
  font-weight: 700;
}

h1 { font-size: clamp(1.9rem, 4.5vw, 3.1rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.15rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.45rem); }

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

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
/* =========================================================
   layout.css —— 容器、页头导航、页脚、通用间距与栅格
   ========================================================= */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 通用区块间距 ---------- */
.section {
  padding: clamp(48px, 8vw, 84px) 0;
}
.section--alt {
  background-color: var(--color-bg-alt);
}
.section--surface {
  background-color: var(--color-surface);
}

/* ---------- 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 240, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.25s ease;
}
.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}
.brand-name {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-primary-deeper);
  font-family: var(--font-serif);
}
.brand-name small {
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  color: var(--color-accent-dark);
  font-family: var(--font-sans);
}

/* 导航 */
.site-nav ul {
  display: flex;
  gap: 6px;
}
.site-nav a {
  display: block;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  color: var(--color-text);
}
.site-nav a:hover {
  color: var(--color-primary);
  background: rgba(94, 140, 97, 0.1);
}
.site-nav a.active {
  color: var(--color-primary-deeper);
  background: rgba(94, 140, 97, 0.14);
}

/* 汉堡按钮（默认隐藏，移动端显示） */
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--color-primary-deeper);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle span:nth-child(1) { top: 13px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 27px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--color-primary-deeper);
  color: #DCE5DC;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 56px 20px 44px;
}
.footer-brand .brand-name {
  color: #fff;
}
.footer-brand .brand-name small {
  color: var(--color-accent);
}
.footer-desc {
  margin-top: 14px;
  font-size: 0.92rem;
  color: #AFC2B0;
  max-width: 300px;
}
.footer-col h4 {
  color: #fff;
  font-size: 1.02rem;
  margin-bottom: 16px;
  font-family: var(--font-sans);
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col a:hover {
  color: var(--color-accent);
}
.footer-col li {
  font-size: 0.92rem;
  color: #AFC2B0;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 18px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.85rem;
  color: #93A894;
}

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed;
  right: 22px;
  bottom: 26px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s ease;
  z-index: 90;
}
.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-top:hover {
  background: var(--color-primary-dark);
}

/* ---------- 通用栅格 ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---------- 移动端适配 ---------- */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .site-nav.open {
    max-height: 320px;
  }
  .site-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 10px 20px 16px;
  }
  .site-nav a {
    padding: 13px 12px;
    border-radius: var(--radius-sm);
  }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding: 44px 20px 36px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .brand-name { font-size: 1.02rem; }
}
/* =========================================================
   components.css —— 按钮、区块标题、卡片、表单等通用组件
   ========================================================= */

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1.2;
  transition: all 0.22s ease;
  border: 1.5px solid transparent;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}
.btn-outline {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}
.btn-light {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
}
.btn-light:hover {
  background: rgba(255, 255, 255, 0.28);
}
.btn-block { width: 100%; }

/* ---------- 区块标题 ---------- */
.sec-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}
.sec-head--left {
  text-align: left;
  margin: 0 0 32px;
}
.sec-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.32em;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-bottom: 10px;
}
.sec-title {
  margin-bottom: 12px;
}
.sec-desc {
  color: var(--color-text-light);
  font-size: 1.02rem;
}

/* ---------- 产品卡片 ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.card-media {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.card:hover .card-media img {
  transform: scale(1.05);
}
.badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #fff;
  background: var(--color-accent-dark);
}
.badge--hot { background: var(--color-danger); }
.card-body {
  padding: 18px 20px 22px;
}
.card-title {
  font-size: 1.14rem;
  margin-bottom: 6px;
}
.card-desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}
.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.price {
  color: var(--color-danger);
  font-weight: 700;
  font-size: 1.12rem;
}
.price em {
  font-style: normal;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-light);
  margin-right: 2px;
}
.card-link {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.92rem;
}
.card-link:hover {
  color: var(--color-primary-dark);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  font-size: 0.9rem;
  color: var(--color-text-light);
  padding: 20px 0;
}
.breadcrumb a:hover {
  color: var(--color-primary);
}
.breadcrumb .sep {
  margin: 0 8px;
  color: #C9C0AC;
}

/* ---------- 特性/亮点块 ---------- */
.feature {
  text-align: center;
  padding: 30px 22px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(94, 140, 97, 0.12);
  border-radius: 50%;
  color: var(--color-primary);
  font-size: 1.7rem;
}
.feature h3 {
  font-size: 1.12rem;
  margin-bottom: 8px;
  font-family: var(--font-sans);
}
.feature p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* ---------- 统计数字 ---------- */
.stat {
  text-align: center;
}
.stat-num {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--color-accent-dark);
}
.stat-label {
  font-size: 0.92rem;
  color: #AFC2B0;
  margin-top: 4px;
}

/* ---------- 表单 ---------- */
.form-group {
  margin-bottom: 18px;
}
.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.95rem;
}
.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(94, 140, 97, 0.15);
}
textarea.form-control {
  resize: vertical;
  min-height: 130px;
}
.form-error {
  display: none;
  color: var(--color-danger);
  font-size: 0.85rem;
  margin-top: 6px;
}
.form-control.invalid {
  border-color: var(--color-danger);
}
.form-control.invalid + .form-error {
  display: block;
}
.alert {
  display: none;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  margin-top: 16px;
}
.alert.show {
  display: block;
}
.alert--success {
  background: rgba(94, 140, 97, 0.14);
  color: var(--color-primary-dark);
  border: 1px solid var(--color-primary);
}
.alert--error {
  background: rgba(180, 71, 47, 0.1);
  color: var(--color-danger);
  border: 1px solid var(--color-danger);
}

/* ---------- 联系方式信息块 ---------- */
.contact-line {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px dashed var(--color-border);
}
.contact-line:last-child {
  border-bottom: none;
}
.contact-line .ico {
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(94, 140, 97, 0.12);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.contact-line h4 {
  font-family: var(--font-sans);
  font-size: 0.98rem;
  margin-bottom: 2px;
}
.contact-line p {
  font-size: 0.92rem;
  color: var(--color-text-light);
}

/* ---------- 步骤（工艺/流程） ---------- */
.step {
  text-align: center;
  position: relative;
}
.step-num {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step h3 {
  font-size: 1.08rem;
  margin-bottom: 6px;
  font-family: var(--font-sans);
}
.step p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* ---------- 品牌亮点图文块 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.split img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
}
.split-text h2 {
  margin-bottom: 16px;
}
.split-text p {
  color: var(--color-text-light);
  margin-bottom: 14px;
}

/* ---------- CTA 横幅 ---------- */
.cta {
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  text-align: center;
  padding: clamp(48px, 7vw, 72px) 20px;
}
.cta h2 {
  color: #fff;
  margin-bottom: 12px;
}
.cta p {
  color: #DCE5DC;
  margin-bottom: 24px;
}
/* =========================================================
   pages.css —— 各页面专属样式
   ========================================================= */

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative;
  min-height: clamp(420px, 72vh, 640px);
  display: flex;
  align-items: center;
  color: #fff;
  background:
    linear-gradient(115deg, rgba(31, 52, 35, 0.72), rgba(47, 70, 51, 0.35)),
    url("../images/hero-banner.svg") center 40% / cover no-repeat;
}
.hero-content {
  max-width: 620px;
  padding: 40px 0;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.34em;
  color: var(--color-accent);
  margin-bottom: 14px;
  font-weight: 600;
}
.hero-title {
  color: #fff;
  margin-bottom: 16px;
}
.hero-title .accent {
  color: var(--color-accent);
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: #E6EDE6;
  margin-bottom: 30px;
  max-width: 520px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* 首页统计条 */
.stats-band {
  background: var(--color-primary-deeper);
  color: #fff;
  padding: 40px 0;
}
.stats-band .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ---------- 产品列表页 ---------- */
.page-banner {
  background:
    linear-gradient(115deg, rgba(31, 52, 35, 0.7), rgba(47, 70, 51, 0.4)),
    url("../images/hero-banner.svg") center 30% / cover no-repeat;
  color: #fff;
  padding: clamp(56px, 9vw, 96px) 0 clamp(32px, 5vw, 48px);
}
.page-banner h1 {
  color: #fff;
  margin-bottom: 8px;
}
.page-banner p {
  color: #DCE5DC;
  max-width: 560px;
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}
.filter-tag {
  padding: 8px 20px;
  border-radius: 999px;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-light);
  font-size: 0.92rem;
  font-weight: 500;
  transition: all 0.2s ease;
}
.filter-tag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.filter-tag.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ---------- 产品详情页 ---------- */
.detail-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.detail-media {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.detail-media-gallery {
  position: relative;
}
.detail-media-gallery .detail-media {
  position: static;
  display: none;
}
.detail-media-gallery .detail-media.is-active {
  display: block;
}
.detail-media-gallery:not(.has-js) .detail-media:first-child {
  display: block;
}
.detail-media-gallery .detail-media img {
  display: block;
  width: 100%;
}
.gallery-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-primary-deeper);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.gallery-arrow:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.gallery-prev { left: 12px; }
.gallery-next { right: 12px; }
.gallery-dots {
  position: absolute;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  gap: 8px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
}
.gallery-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: var(--color-border);
  cursor: pointer;
  transition: background 0.2s;
}
.gallery-dot.is-active {
  background: var(--color-primary);
}
.detail-info h1 {
  margin-bottom: 10px;
}
.detail-tagline {
  color: var(--color-text-light);
  margin-bottom: 22px;
}
.detail-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 16px 0;
  border-top: 1px dashed var(--color-border);
  border-bottom: 1px dashed var(--color-border);
  margin-bottom: 22px;
}
.detail-price .price {
  font-size: 1.7rem;
}
.detail-price .unit {
  color: var(--color-text-light);
  font-size: 0.9rem;
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}
.spec-table th,
.spec-table td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}
.spec-table th {
  width: 34%;
  color: var(--color-text-light);
  font-weight: 500;
  background: rgba(94, 140, 97, 0.06);
}
.detail-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.detail-section {
  margin-top: 56px;
}
.detail-section h2 {
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}
.detail-section p,
.detail-section li {
  color: var(--color-text-light);
  margin-bottom: 10px;
}
.detail-section ul {
  list-style: none;
}
.detail-section ul li {
  padding-left: 20px;
  position: relative;
}
.detail-section ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* ---------- 关于页 ---------- */
.about-hero {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 48px;
  align-items: center;
}
.about-hero img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
}
.quote {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-primary-dark);
  line-height: 1.9;
  padding: 22px 0 22px 24px;
  border-left: 4px solid var(--color-accent);
  margin: 24px 0;
}
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

/* ---------- 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: start;
}
.contact-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px;
}
.contact-form-title {
  margin-bottom: 20px;
}
.map-frame {
  margin-top: 48px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.map-frame img {
  width: 100%;
}

/* ---------- 移动端适配 ---------- */
@media (max-width: 900px) {
  .detail-wrap,
  .about-hero,
  .contact-grid,
  .split {
    grid-template-columns: 1fr;
  }
  .detail-media,
  .detail-media-gallery .detail-media {
    position: static;
  }
  .process {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-band .container {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px 16px;
  }
}

@media (max-width: 560px) {
  .process {
    grid-template-columns: 1fr;
  }
  .hero-actions .btn {
    width: 100%;
  }
}