/* ==========================================================================
   东台市汉森木业有限公司 官网 — 全局样式
   设计系统：深木色 + 米白 · 简约大气 · 响应式（移动优先）
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  /* 颜色 */
  --color-wood-dark:   #5C4033;   /* 主色：深木色 */
  --color-wood:        #7A5C46;   /* 中木色 */
  --color-wood-light:  #A98B72;   /* 浅木色（hover/辅助） */
  --color-wood-deep:   #4A342B;   /* 更深木色（导航/页脚底） */
  --color-wood-ink:    #33231B;   /* 最深木色（页脚/文字深底） */
  --color-cream:       #FAF6F0;   /* 页面背景米白 */
  --color-cream-deep:  #F1E9DD;   /* 区块交替背景 */
  --color-accent:      #C08A3E;   /* 点缀：琥珀金 */
  --color-accent-deep: #A9742C;   /* 琥珀金 hover */
  --color-accent-green:#4A6741;   /* 点缀：松绿 */
  --color-text:        #3A2E28;   /* 主文本 */
  --color-text-2:      #6F6259;   /* 次级文本 */
  --color-border:      #E4DACB;   /* 分割线/边框 */
  --color-error:       #B3372E;   /* 表单错误 */
  --color-white:       #FFFFFF;

  /* 字体 */
  --font-heading: Georgia, "Noto Serif SC", "Source Han Serif SC", "Songti SC",
                  "SimSun", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

  /* 布局 */
  --container-max: 1200px;
  --container-pad: 24px;

  /* 间距（8px 基准） */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;

  /* 其它 */
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 2px 12px rgba(92, 64, 51, 0.08);
  --shadow-lg: 0 8px 28px rgba(92, 64, 51, 0.14);
  --transition: 0.25s ease;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.3;
  font-weight: 600;
  color: var(--color-wood-ink);
}

/* ---------- 布局容器 ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* ---------- 区块 ---------- */
.section { padding: var(--space-6) 0; }
.section-alt { background-color: var(--color-cream-deep); }

.section-head {
  max-width: 720px;
  margin-bottom: var(--space-5);
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}
.section-head h2 { font-size: 30px; margin-bottom: var(--space-2); }
.section-head p { color: var(--color-text-2); font-size: 16px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 32px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  border: 2px solid transparent;
  border-radius: 4px;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--color-accent); color: var(--color-white); }
.btn-primary:hover { background: var(--color-accent-deep); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(192, 138, 62, 0.35); }
.btn-dark { background: var(--color-wood-dark); color: var(--color-white); }
.btn-dark:hover { background: var(--color-wood-ink); transform: translateY(-2px); }
.btn-outline { border-color: rgba(255,255,255,0.55); color: var(--color-white); background: transparent; }
.btn-outline:hover { border-color: var(--color-white); background: rgba(255,255,255,0.12); }
.btn-outline-dark { border-color: var(--color-wood-light); color: var(--color-wood-dark); background: transparent; }
.btn-outline-dark:hover { border-color: var(--color-wood-dark); background: var(--color-wood-dark); color: var(--color-white); }
.btn-block { width: 100%; }

/* ---------- 导航栏 ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-wood-deep);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-white);
}
.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-accent), #A9742C);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.brand-name { line-height: 1.2; }
.brand-name strong { display: block; font-family: var(--font-heading); font-size: 19px; letter-spacing: 2px; }
.brand-name span { font-size: 10px; letter-spacing: 3px; text-transform: uppercase; color: var(--color-wood-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  padding: 8px 18px;
  font-size: 15px;
  color: rgba(255,255,255,0.82);
  border-radius: 4px;
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.nav-links a:hover { color: var(--color-white); background: rgba(255,255,255,0.08); }
.nav-links a.current { color: var(--color-white); font-weight: 600; }
.nav-links a.current::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 4px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 8px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 6px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero（首页） ---------- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  color: var(--color-white);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(100deg,
    rgba(51, 35, 27, 0.92) 0%,
    rgba(74, 52, 43, 0.78) 45%,
    rgba(74, 52, 43, 0.35) 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='0.05' stroke-width='1'%3E%3Cpath d='M0 60h120M60 0v120'/%3E%3C/g%3E%3C/svg%3E");
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: var(--space-7) 0 var(--space-4);
  max-width: 720px;
  align-self: flex-start;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #E8C88A;
  border: 1px solid rgba(232, 200, 138, 0.4);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: var(--space-3);
}
.hero h1 {
  font-size: 44px;
  color: var(--color-white);
  margin-bottom: var(--space-3);
  letter-spacing: 2px;
}
.hero h1 .accent { color: #E8C88A; }
.hero-sub {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin-bottom: var(--space-4);
}
.hero-cta { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.hero-meta {
  position: relative;
  z-index: 2;
  display: flex;
  gap: var(--space-4);
  padding-bottom: var(--space-6);
  margin-top: auto;
  color: rgba(255,255,255,0.75);
  font-size: 14px;
}
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta svg { color: #E8C88A; flex-shrink: 0; }

/* ---------- 内页横幅 ---------- */
.page-banner {
  position: relative;
  background: linear-gradient(115deg, var(--color-wood-ink) 0%, var(--color-wood-dark) 55%, var(--color-wood) 100%);
  color: var(--color-white);
  padding: var(--space-6) 0;
  overflow: hidden;
}
.page-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='0.05' stroke-width='1'%3E%3Cpath d='M0 60h120M60 0v120'/%3E%3C/g%3E%3C/svg%3E");
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner .crumb {
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-wood-light);
  margin-bottom: var(--space-2);
}
.page-banner h1 {
  font-size: 34px;
  color: var(--color-white);
  letter-spacing: 3px;
}
.page-banner p {
  margin-top: var(--space-2);
  color: rgba(255,255,255,0.75);
  font-size: 15px;
  max-width: 640px;
}

/* ---------- 卡片 ---------- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card-hover:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* 产品卡 */
.product-grid { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
.product-card .card-media { position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: var(--color-cream-deep); }
.product-card .card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .card-media img { transform: scale(1.05); }
.product-card .card-body { padding: var(--space-3); }
.product-card h3 { font-size: 19px; margin-bottom: var(--space-1); }
.product-card .card-desc { color: var(--color-text-2); font-size: 14px; margin-bottom: var(--space-2); }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-wood-dark);
  transition: color var(--transition), gap var(--transition);
}
.card-link:hover { color: var(--color-accent); gap: 10px; }

/* 优势卡（图标卡） */
.feature-grid { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
.feature-card { padding: var(--space-4) var(--space-3); text-align: center; }
.feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-2);
  border-radius: 14px;
  background: var(--color-cream-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-wood-dark);
}
.feature-card h3 { font-size: 17px; margin-bottom: var(--space-1); }
.feature-card p { font-size: 14px; color: var(--color-text-2); }

/* ---------- 主营业务（图文区） ---------- */
.split {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
  align-items: center;
}
.split-copy p + p { margin-top: var(--space-2); }
.split-copy .lead { font-size: 17px; color: var(--color-text); }
.split-media { display: grid; gap: var(--space-2); grid-template-columns: 1fr 1fr; }
.split-media figure {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-cream-deep);
}
.split-media figure:first-child { grid-column: 1 / -1; aspect-ratio: 16 / 9; }
.split-media img { width: 100%; height: 100%; object-fit: cover; }
.split-media figcaption { display: none; }

/* 流程条 */
.steps { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
.step {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: var(--shadow);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-wood-dark);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 17px;
  margin-bottom: var(--space-2);
}
.step h3 { font-size: 16px; margin-bottom: 4px; }
.step p { font-size: 13.5px; color: var(--color-text-2); }

/* ---------- 数字统计条 ---------- */
.stats {
  background: linear-gradient(115deg, var(--color-wood-ink), var(--color-wood-dark));
  color: var(--color-white);
  padding: var(--space-5) 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4) var(--space-3);
  text-align: center;
}
.stat-number {
  font-family: var(--font-heading);
  font-size: 34px;
  font-weight: 700;
  color: #E8C88A;
  line-height: 1.1;
}
.stat-number .unit { font-size: 18px; margin-left: 4px; }
.stat-label { margin-top: 4px; font-size: 13px; color: rgba(255,255,255,0.8); letter-spacing: 2px; }

/* ---------- 关于页：时间线 ---------- */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: var(--space-4); }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--color-border);
}
.timeline-item { position: relative; padding: 0 0 var(--space-4) var(--space-4); }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-cream);
  box-shadow: 0 0 0 2px var(--color-accent);
}
.timeline-year {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  color: var(--color-wood-dark);
  background: var(--color-cream-deep);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 3px 14px;
  margin-bottom: var(--space-1);
}
.timeline-item h3 { font-size: 17px; margin-bottom: 4px; }
.timeline-item p { font-size: 14.5px; color: var(--color-text-2); }

/* ---------- 文化/认证卡片 ---------- */
.mission-grid { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
.mission-card { padding: var(--space-4) var(--space-3); text-align: center; }
.mission-card .mission-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-2);
  border-radius: 50%;
  background: var(--color-cream-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-wood-dark);
}
.mission-card h3 { font-size: 17px; margin-bottom: var(--space-1); }
.mission-card p { font-size: 14px; color: var(--color-text-2); }

/* 认证徽章 */
.cert-grid { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
.cert-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: var(--shadow);
}
.cert-icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: var(--color-cream-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-green);
}
.cert-card h3 { font-size: 16px; margin-bottom: 4px; }
.cert-card p { font-size: 13.5px; color: var(--color-text-2); }

/* 团队构成 */
.team-chart {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.team-bar { display: flex; align-items: center; gap: var(--space-2); font-size: 13.5px; }
.team-bar .bar-label { width: 84px; flex-shrink: 0; color: var(--color-text-2); }
.team-bar .bar-track { flex: 1; height: 10px; border-radius: 999px; background: var(--color-cream-deep); overflow: hidden; }
.team-bar .bar-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--color-wood-light), var(--color-wood-dark)); }
.team-bar .bar-val { width: 44px; text-align: right; font-weight: 600; color: var(--color-wood-dark); }

/* ---------- 产品页 ---------- */
.anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin: calc(-1 * var(--space-3)) auto var(--space-5);
  position: relative;
  z-index: 5;
}
.anchor-nav a {
  padding: 8px 22px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-white);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.anchor-nav a:hover { border-color: var(--color-wood-dark); color: var(--color-wood-dark); transform: translateY(-2px); }

.product-block {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: var(--space-5);
}
.product-block-media { aspect-ratio: 4 / 3; background: var(--color-cream-deep); }
.product-block-media img { width: 100%; height: 100%; object-fit: cover; }
.product-block-body { padding: var(--space-4); }
.product-block-body h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  margin-bottom: var(--space-2);
}
.product-block-body h2 .en {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-wood-light);
  font-weight: 600;
}
.product-block-body > p { color: var(--color-text-2); margin-bottom: var(--space-3); }

/* 规格表 */
.spec-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-wood-dark);
  margin: var(--space-3) 0 var(--space-2);
  padding-left: 12px;
  border-left: 3px solid var(--color-accent);
}
.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.spec-table th, .spec-table td {
  border: 1px solid var(--color-border);
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
}
.spec-table th { background: var(--color-cream-deep); font-weight: 600; width: 34%; color: var(--color-text); }
.spec-table tr:nth-child(even) td { background: #FDFBF7; }

/* 场景标签 */
.scene-chips { display: flex; flex-wrap: wrap; gap: var(--space-1); }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  background: var(--color-cream-deep);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.chip svg { color: var(--color-accent-green); flex-shrink: 0; }

/* 定制说明引用条 */
.custom-note {
  margin-top: var(--space-3);
  background: linear-gradient(100deg, #F7F0E4, var(--color-cream-deep));
  border: 1px dashed var(--color-wood-light);
  border-radius: var(--radius);
  padding: var(--space-3);
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
}
.custom-note svg { color: var(--color-accent); flex-shrink: 0; margin-top: 2px; }
.custom-note p { font-size: 14px; color: var(--color-text); margin: 0 !important; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
.contact-card { padding: var(--space-4) var(--space-3); text-align: center; }
.contact-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-2);
  border-radius: 50%;
  background: var(--color-cream-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-wood-dark);
}
.contact-card h3 { font-size: 15px; margin-bottom: var(--space-1); color: var(--color-text-2); font-weight: 600; }
.contact-card p { font-size: 15px; color: var(--color-text); word-break: break-all; }
.contact-card a:hover { color: var(--color-accent); }

/* 地图占位 */
.map-placeholder {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: #EFE9DE;
  min-height: 320px;
  box-shadow: var(--shadow);
}
.map-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(92, 64, 51, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 64, 51, 0.09) 1px, transparent 1px);
  background-size: 44px 44px;
}
.map-road {
  position: absolute;
  background: rgba(255,255,255,0.85);
  box-shadow: 0 0 0 1px rgba(92,64,51,0.12);
  border-radius: 4px;
}
.map-road.r1 { top: 26%; left: 0; right: 0; height: 14px; transform: rotate(-4deg); }
.map-road.r2 { top: 62%; left: 0; right: 0; height: 10px; transform: rotate(3deg); }
.map-road.r3 { left: 30%; top: 0; bottom: 0; width: 12px; transform: rotate(-2deg); }
.map-road.r4 { left: 72%; top: 0; bottom: 0; width: 9px; transform: rotate(3deg); }
.map-river {
  position: absolute;
  left: -10%;
  right: -10%;
  top: 8%;
  height: 34px;
  border-radius: 50%;
  background: rgba(122, 145, 168, 0.35);
  transform: rotate(-6deg);
}
.map-pin {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -88%);
  color: #C0392B;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
  z-index: 2;
  animation: pin-bounce 2.4s ease-in-out infinite;
}
@keyframes pin-bounce {
  0%, 100% { transform: translate(-50%, -88%); }
  50% { transform: translate(-50%, -100%); }
}
.map-label {
  position: absolute;
  left: 50%;
  top: calc(50% + 8px);
  transform: translateX(-50%);
  background: var(--color-wood-dark);
  color: var(--color-white);
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 999px;
  white-space: nowrap;
  z-index: 2;
  box-shadow: var(--shadow);
}
.map-tip {
  margin-top: var(--space-2);
  text-align: center;
  font-size: 13px;
  color: var(--color-text-2);
}

/* ---------- 表单 ---------- */
.form-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: var(--space-4);
}
.form-grid { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}
.form-group label .req { color: var(--color-error); margin-left: 2px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  font-size: 15px;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-wood-dark);
  box-shadow: 0 0 0 3px rgba(92, 64, 51, 0.12);
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: var(--color-error);
}
.form-error { display: none; font-size: 13px; color: var(--color-error); margin-top: 4px; }
.form-group.has-error .form-error { display: block; }
.form-success {
  display: none;
  align-items: flex-start;
  gap: 10px;
  background: #EEF3EA;
  border: 1px solid #C6D6BF;
  border-radius: var(--radius);
  color: var(--color-accent-green);
  padding: var(--space-2) var(--space-3);
  font-size: 14.5px;
  margin-bottom: var(--space-3);
}
.form-success.show { display: flex; }
.form-success svg { flex-shrink: 0; margin-top: 2px; }
.form-submit-row { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.form-hint { font-size: 13px; color: var(--color-text-2); }

/* ---------- 联系信息双栏表单 ---------- */
.form-grid-2 { grid-template-columns: 1fr; }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  background: linear-gradient(115deg, var(--color-wood-dark), var(--color-wood));
  color: var(--color-white);
  text-align: center;
  padding: var(--space-6) 0;
}
.cta-band h2 { color: var(--color-white); font-size: 28px; margin-bottom: var(--space-2); letter-spacing: 2px; }
.cta-band p { color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto var(--space-4); font-size: 15px; }
.cta-band .hero-cta { justify-content: center; }

/* ---------- 页脚 ---------- */
.footer {
  background: var(--color-wood-ink);
  color: rgba(255,255,255,0.72);
  padding-top: var(--space-6);
  font-size: 14.5px;
}
.footer-grid { display: grid; gap: var(--space-5); grid-template-columns: 1fr; padding-bottom: var(--space-5); }
.footer h3 {
  color: var(--color-white);
  font-size: 16px;
  letter-spacing: 2px;
  margin-bottom: var(--space-2);
}
.footer .brand { margin-bottom: var(--space-2); }
.footer p { max-width: 320px; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { transition: color var(--transition), padding-left var(--transition); }
.footer-links a:hover { color: #E8C88A; padding-left: 6px; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 10px; align-items: flex-start; }
.footer-contact svg { color: #E8C88A; flex-shrink: 0; margin-top: 3px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-2) 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ---------- 徽标 ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
}
.badge-green { background: #E4EBE0; color: var(--color-accent-green); }
.badge-gold { background: #F3E8D5; color: #8A6420; }

/* ---------- 滚动显现动画 ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-pin, .stat-number { animation: none !important; }
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (min-width: 481px) {
  .product-grid, .feature-grid, .mission-grid, .cert-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .steps { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 769px) {
  .container { --container-pad: 32px; }
  .section { padding: var(--space-7) 0; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-grid { grid-template-columns: repeat(4, 1fr); }
  .mission-grid { grid-template-columns: repeat(3, 1fr); }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(5, 1fr); }
  .split { grid-template-columns: 1.05fr 1fr; gap: var(--space-6); }
  .product-block { display: grid; grid-template-columns: 1fr 1.1fr; }
  .product-block:nth-child(even) .product-block-media { order: 2; }
  .product-block-media { aspect-ratio: auto; min-height: 100%; }
  .product-block-body { padding: var(--space-5); }
  .contact-grid { grid-template-columns: repeat(4, 1fr); }
  .form-grid-2 { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .form-group.full { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1.4fr 0.8fr 1fr; gap: var(--space-6); }
  .hero h1 { font-size: 58px; }
  .section-head h2 { font-size: 34px; }
  .page-banner h1 { font-size: 42px; }
  .page-banner { padding: var(--space-7) 0; }
  .stats { padding: var(--space-6) 0; }
  .stat-number { font-size: 44px; }
  .cta-band h2 { font-size: 34px; }
}

@media (max-width: 767px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-wood-deep);
    padding: var(--space-2) var(--container-pad) var(--space-4);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 12px 24px rgba(0,0,0,0.25);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }
  .nav-open .nav-links {
    transform: none;
    opacity: 1;
    visibility: visible;
  }
  .nav-links a { padding: 14px 12px; font-size: 16px; }
  .nav-links a.current::after { display: none; }
  .nav-links a.current { background: rgba(255,255,255,0.1); }
  .nav-toggle { display: flex; }
  .hero { min-height: 82vh; }
  .hero-content { max-width: 100%; }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 15px; }
  .hero-meta { flex-direction: column; gap: var(--space-2); padding-top: var(--space-3); }
}

@media (max-width: 480px) {
  body { font-size: 15px; }
  .section { padding: var(--space-5) 0; }
  .section-head h2 { font-size: 26px; }
  .hero h1 { font-size: 28px; }
  .btn { padding: 12px 24px; }
  .form-card { padding: var(--space-3); }
  .product-block-body { padding: var(--space-3); }
  .spec-table th { width: 38%; }
  .map-placeholder { min-height: 260px; }
  .stat-number { font-size: 28px; }
  .footer-grid { gap: var(--space-4); }
}

/* ---------- FAQ 折叠（地区落地页） ---------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.faq-item {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color var(--transition);
}
.faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-wood-light);
  color: var(--color-wood);
  font-size: 18px;
  line-height: 1;
  transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  margin: var(--space-3) 0 0;
  color: var(--color-text-2);
  font-size: 15px;
  line-height: 1.75;
}