/* =========================================
   高原彝药 - 宋式美学 + 彝族特色官网
   ========================================= */

/* === 色彩系统 === */
:root {
  /* 核心色 - 宋式雅致 + 彝族风情 */
  --cream: #FAF6F0;         /* 宣纸米白 - 主背景 */
  --cream-dark: #F0E8DA;   /* 绢帛暖白 */
  --ink: #1C1C1C;           /* 墨黑 - 正文 */
  --ink-light: #4A4A4A;     /* 淡墨 */
  --bronze: #8B5A2B;        /* 青铜褐 - 彝族金属色 */
  --vermilion: #CC0000;     /* 彝族朱砂红 */
  --vermilion-dark: #990000;
  --jade: #5C7A5C;          /* 青瓷绿 */
  --jade-dark: #3D5A3D;
  --gold: #C8A96E;          /* 点睛金 */
  --gold-light: #E8D5A8;
  
  /* 功能色 */
  --white: #FFFFFF;
  --border: #E0D5C5;
  --shadow: rgba(28,28,28,0.06);
  --shadow-lg: rgba(28,28,28,0.12);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* === 容器 === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* === 顶部栏 === */





/* === 导航 === */
.nav {
  background: #faf6f0;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px var(--shadow);
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px;
  height: 80px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--vermilion), var(--bronze));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 22px;
}
.nav-logo-text {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 4px;
}
.nav-logo-en {
  font-size: 10px;
  color: var(--ink-light);
  letter-spacing: 2px;
  font-family: 'Noto Serif SC', 'SimSun', serif;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-links a {
  color: #B8860B; /* 金色 */
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 14px;
  letter-spacing: 2px;
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.3s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--vermilion);
  font-weight: 600;
}
.nav-links a .nav-icon-img,
.nav-dropdown-menu a .nav-icon-img {
  height: 24px;
  width: auto;
  vertical-align: middle;
  opacity: 1;
  filter: none;
  transition: all 0.3s ease;
}
.nav-links a:hover .nav-icon-img,
.nav-dropdown-menu a:hover .nav-icon-img {
  filter: none;
}

.nav-cta {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 13px;
  color: var(--white) !important;
  background: var(--vermilion);
  padding: 10px 24px !important;
  border-radius: 4px;
  letter-spacing: 2px;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--vermilion-dark); }

/* === Hero Banner === */
.hero {
  position: relative;
  height: 600px;
  overflow: hidden;
  background: linear-gradient(135deg, #1A3A5C 0%, #2D5A5C 40%, #1A3A2A 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 600"><defs><linearGradient id="g" x1="0" y1="0" x2="1" y2="1"><stop offset="0%" stop-color="%231A3A5C"/><stop offset="50%" stop-color="%232D5A5C"/><stop offset="100%" stop-color="%231A3A2A"/></linearGradient></defs><rect fill="url(%23g)" width="1440" height="600"/></svg>');
  background-size: cover;
}
/* 装饰性山水纹理 */
.hero::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 200"><path fill="%23ffffff" fill-opacity="0.05" d="M0,100 Q200,50 400,80 T800,60 T1200,90 T1440,70 L1440,200 L0,200 Z"/></svg>');
  background-size: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);
}
.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--white);
  max-width: 1200px;
  margin-left: 10%;
  padding: 0 40px;
}
.hero-slogan {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 13px;
  letter-spacing: 6px;
  color: var(--gold);
  margin-bottom: 16px;
  opacity: 0.9;
}
.hero-title {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: 8px;
  line-height: 1.3;
  margin-bottom: 20px;
}
.hero-subtitle {
  font-size: 18px;
  letter-spacing: 4px;
  opacity: 0.85;
  margin-bottom: 12px;
}
.hero-desc {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 14px;
  line-height: 2;
  opacity: 0.7;
  max-width: 600px;
  margin-bottom: 36px;
}
.hero-btns {
  display: flex;
  gap: 16px;
}
.btn-primary {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 14px;
  letter-spacing: 3px;
  color: var(--white);
  background: var(--vermilion);
  padding: 14px 36px;
  border-radius: 4px;
  display: inline-block;
  transition: all 0.3s;
}
.btn-primary:hover {
  background: var(--vermilion-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(184,60,42,0.3);
}
.btn-outline {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 14px;
  letter-spacing: 3px;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.5);
  padding: 14px 36px;
  border-radius: 4px;
  display: inline-block;
  transition: all 0.3s;
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
}
.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: rgba(255,255,255,0.5);
  font-size: 12px;
  letter-spacing: 3px;
  text-align: center;
  animation: float 2s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-8px); }
}

/* === 章节通用 === */
.section {
  padding: 100px 0;
}
.section-label {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--vermilion);
  display: block;
  margin-bottom: 12px;
}
.section-title {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: 6px;
  color: var(--ink);
  margin-bottom: 16px;
}
.section-desc {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 15px;
  color: var(--ink-light);
  letter-spacing: 1px;
}
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-divider {
  width: 60px;
  height: 2px;
  background: var(--vermilion);
  margin: 20px auto 0;
}

/* === 关于我们简介 === */
.about-intro {
  background: var(--white);
}
.about-intro .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-text {
  padding-right: 40px;
}
.about-text .lead {
  font-size: 18px;
  line-height: 2;
  color: var(--ink);
  margin-bottom: 30px;
  border-left: 3px solid var(--vermilion);
  padding-left: 20px;
}
.about-text p {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 14px;
  line-height: 2;
  color: var(--ink-light);
  margin-bottom: 16px;
}
.about-visual {
  position: relative;
  height: 480px;
}
.about-visual-card {
  position: absolute;
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 10px 40px var(--shadow-lg);
  overflow: hidden;
}
.about-visual-card.main {
  width: 320px;
  height: 400px;
  top: 0;
  left: 0;
  z-index: 2;
  background: linear-gradient(135deg, #1A3A5C, #2D5A5C);
}
.about-visual-card.side {
  width: 240px;
  height: 200px;
  bottom: 0;
  right: 0;
  z-index: 1;
  background: linear-gradient(135deg, var(--vermilion), var(--bronze));
}
.about-visual-card .card-content {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  padding: 30px;
  text-align: center;
}
.about-visual-card .card-icon {
  font-size: 48px;
  margin-bottom: 16px;
}
.about-visual-card .card-num {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: 2px;
}
.about-visual-card .card-label {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 13px;
  letter-spacing: 3px;
  margin-top: 8px;
  opacity: 0.8;
}
.about-visual-card .card-title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 4px;
  margin-bottom: 8px;
}
.about-visual-card .card-text {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 12px;
  line-height: 1.8;
  opacity: 0.8;
}

/* === 产品展示 === */
.products-section {
  background: var(--cream);
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.product-card {
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 20px var(--shadow);
  transition: all 0.4s ease;
  border: 1px solid var(--border);
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 50px var(--shadow-lg);
  border-color: var(--gold-light);
}
.product-img {
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-img.p1 { background: linear-gradient(135deg, #C49A3C, #E8C66A); }
.product-img.p2 { background: linear-gradient(135deg, #2D3A2D, #4A5A4A); }
.product-img.p3 { background: linear-gradient(135deg, #CC0000, #E03030); }
.product-img .product-icon,
.product-img .product-badge {
  display: none;
}
.product-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--vermilion);
  color: var(--white);
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 11px;
  letter-spacing: 2px;
  padding: 4px 12px;
  border-radius: 2px;
}
.product-info {
  padding: 28px;
}
.product-name {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 3px;
  margin-bottom: 8px;
}
.product-tag {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 13px;
  color: var(--vermilion);
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.product-desc {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 13px;
  line-height: 1.9;
  color: var(--ink-light);
  margin-bottom: 16px;
}
.product-features {
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.product-feature {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 12px;
  color: var(--ink-light);
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}
.product-feature::before {
  content: '・';
  position: absolute;
  left: 0;
  color: var(--vermilion);
}
.product-link {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 13px;
  color: var(--vermilion);
  letter-spacing: 2px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  transition: gap 0.3s;
}
.product-link:hover { gap: 12px; color: var(--vermilion-dark); }

.btn-icon-img {
  width: 16px;
  height: 16px;
  object-fit: contain;
  filter: none;
  transition: filter 0.3s;
}
a:hover .btn-icon-img,
a:hover .nav-icon-img {
  filter: none;
}

.btn-detail {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--vermilion);
  text-decoration: none;
  padding: 8px 20px;
  border: 1px solid var(--vermilion);
  border-radius: 2px;
  transition: all 0.3s;
  margin-top: 16px;
}
.btn-detail:hover {
  background: var(--vermilion);
  color: #fff;
}
.btn-detail:hover .btn-icon-img {
  filter: grayscale(0%) opacity(1) brightness(10);
}

/* === 品牌实力 === */
.strength-section {
  background: var(--ink);
  color: var(--white);
}
.strength-section .section-title { color: var(--white); }
.strength-section .section-desc { color: rgba(255,255,255,0.6); }
.strength-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-top: 60px;
}
.strength-card {
  text-align: center;
  padding: 40px 20px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  transition: all 0.3s;
}
.strength-card:hover {
  border-color: var(--gold);
  background: rgba(200,169,110,0.05);
}
.strength-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 24px;
}
.strength-title {
  font-size: 18px;
  letter-spacing: 4px;
  margin-bottom: 12px;
  color: var(--gold);
}
.strength-desc {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255,255,255,0.6);
}

/* === 品牌故事 === */
.story-section {
  background: var(--cream);
}
.story-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.story-content p {
  font-size: 16px;
  line-height: 2.2;
  color: var(--ink-light);
  margin-bottom: 24px;
  text-align: justify;
}
.story-content .lead-line {
  font-size: 18px;
  color: var(--ink);
  font-weight: 500;
  border-left: none;
  text-align: center;
  padding: 0;
}
.story-highlight {
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--vermilion);
  padding: 30px 40px;
  margin: 40px 0;
  text-align: left;
  border-radius: 0 8px 8px 0;
}
.story-highlight h4 {
  font-size: 16px;
  letter-spacing: 4px;
  color: var(--vermilion);
  margin-bottom: 16px;
}
.story-highlight p {
  margin-bottom: 12px;
  font-size: 15px;
}

/* === 合作伙伴 === */
.partner-section {
  background: var(--white);
}
.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.partner-card {
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: 8px;
  text-align: center;
  transition: all 0.3s;
  background: var(--cream);
}
.partner-card:hover {
  border-color: var(--gold);
  box-shadow: 0 4px 20px var(--shadow);
}
.partner-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  background: var(--ink);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 20px;
}
.partner-name {
  font-size: 15px;
  letter-spacing: 3px;
  color: var(--ink);
}
.partner-level {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 12px;
  color: var(--vermilion);
  letter-spacing: 1px;
  margin-top: 6px;
}

/* === 底部 === */
.footer {
  background: var(--ink);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 50px;
}
.footer-brand .nav-logo-text { color: #3d3226; }
.footer-brand .nav-logo-en { color: #8a7a6a; }
.footer-brand p {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 13px;
  line-height: 2;
  margin-top: 16px;
  color: rgba(255,255,255,0.5);
}
.footer-slogan {
  font-size: 18px;
  letter-spacing: 4px;
  color: var(--gold);
  margin-top: 20px;
}
.footer h4 {
  font-size: 14px;
  letter-spacing: 4px;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  transition: color 0.3s;
}
.footer-links a:hover { color: var(--gold); }
.footer-contact li {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 13px;
  margin-bottom: 12px;
  color: rgba(255,255,255,0.5);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}
.footer-bottom a { color: rgba(255,255,255,0.3); margin: 0 8px; }
.footer-bottom a:hover { color: var(--gold); }

/* === 页面 Banner === */
.page-banner {
  background: linear-gradient(135deg, #1A3A5C, #2D5A5C);
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 60"><path fill="%23FAF6F0" d="M0,30 Q360,0 720,30 T1440,30 L1440,60 L0,60 Z"/></svg>');
  background-size: cover;
}
.page-banner h1 {
  font-size: 42px;
  letter-spacing: 8px;
  color: var(--white);
  margin-bottom: 12px;
}
.page-banner p {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 3px;
}
.breadcrumb {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  margin-top: 20px;
}
.breadcrumb a { color: rgba(255,255,255,0.4); }
.breadcrumb a:hover { color: var(--gold); }

/* === 响应式 === */
@media (max-width: 1024px) {
  .container { padding: 0 24px; }
  .hero-title { font-size: 42px; }
  .about-intro .container { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { height: 300px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .strength-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { gap: 20px; }
}

@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .hero { height: 500px; }
  .hero-title { font-size: 32px; letter-spacing: 4px; }
  .hero-subtitle { font-size: 15px; }
  .hero-desc { font-size: 13px; }
  .hero-btns { flex-direction: column; align-items: flex-start; }
  .products-grid { grid-template-columns: 1fr; }
  .strength-grid { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .nav-links { display: none; }
  .section { padding: 60px 0; }
  .section-title { font-size: 28px; }
  .about-visual-card.main { width: 260px; height: 320px; }
  .about-visual-card.side { width: 180px; height: 160px; }
}

/* === 动画 === */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === 产品详情页 === */
.product-detail-section {
  background: var(--white);
  padding: 80px 0;
}
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.product-detail-img {
  height: 480px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 100px;
  color: rgba(255,255,255,0.8);
}
.product-detail-info h2 {
  font-size: 32px;
  letter-spacing: 4px;
  margin-bottom: 8px;
}
.product-detail-info .product-tag {
  font-size: 14px;
  margin-bottom: 24px;
}
.product-detail-info .product-desc {
  font-size: 15px;
  line-height: 2;
  margin-bottom: 30px;
}
.product-meta {
  border-top: 1px solid var(--border);
  padding-top: 24px;
}
.product-meta-item {
  display: flex;
  margin-bottom: 16px;
}
.product-meta-label {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 13px;
  color: var(--ink-light);
  width: 80px;
  flex-shrink: 0;
}
.product-meta-value {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 13px;
  color: var(--ink);
}

/* === 联系页 === */
.contact-section {
  background: var(--cream);
  padding: 80px 0;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.contact-info-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 40px;
}
.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 30px;
  align-items: flex-start;
}
.contact-info-icon {
  width: 44px;
  height: 44px;
  background: var(--vermilion);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  flex-shrink: 0;
  font-size: 18px;
}
.contact-info-label {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 12px;
  color: var(--ink-light);
  letter-spacing: 2px;
  margin-bottom: 4px;
}
.contact-info-value {
  font-size: 16px;
  color: var(--ink);
  letter-spacing: 1px;
}
.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 40px;
}
.form-group {
  margin-bottom: 20px;
}
.form-label {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 13px;
  color: var(--ink);
  letter-spacing: 2px;
  display: block;
  margin-bottom: 8px;
}
.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 14px;
  color: var(--ink);
  background: var(--cream);
  transition: border-color 0.3s;
}
.form-input:focus {
  outline: none;
  border-color: var(--vermilion);
}
textarea.form-input {
  height: 120px;
  resize: vertical;
}
.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--vermilion);
  color: var(--white);
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 14px;
  letter-spacing: 4px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
}
.form-submit:hover {
  background: var(--vermilion-dark);
}

/* === 时间轴 === */
.timeline-section {
  background: var(--cream);
  padding: 80px 0;
}
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
  transform: translateX(-50%);
}
.timeline-item {
  display: flex;
  gap: 40px;
  margin-bottom: 50px;
  position: relative;
}
.timeline-item:nth-child(even) { flex-direction: row-reverse; }
.timeline-dot {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 14px;
  height: 14px;
  background: var(--vermilion);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 1;
  border: 3px solid var(--cream);
}
.timeline-content {
  flex: 1;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}
.timeline-year {
  font-size: 28px;
  font-weight: 700;
  color: var(--vermilion);
  letter-spacing: 2px;
}
.timeline-title {
  font-size: 16px;
  letter-spacing: 3px;
  margin: 8px 0;
}
.timeline-desc {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 13px;
  color: var(--ink-light);
  line-height: 1.8;
}

/* === 管理后台 === */
.admin-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--ink), #2D3A4A);
}
.admin-login-box {
  background: var(--white);
  padding: 50px;
  border-radius: 8px;
  width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.admin-login-box h2 {
  text-align: center;
  font-size: 22px;
  letter-spacing: 6px;
  margin-bottom: 8px;
  color: var(--ink);
}
.admin-login-box p {
  text-align: center;
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 13px;
  color: var(--ink-light);
  margin-bottom: 30px;
  letter-spacing: 1px;
}
.admin-login-box .form-input {
  margin-bottom: 16px;
}
.admin-login-btn {
  width: 100%;
  padding: 14px;
  background: var(--vermilion);
  color: var(--white);
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-size: 14px;
  letter-spacing: 4px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.3s;
}
.admin-login-btn:hover { background: var(--vermilion-dark); }

/* 彝族装饰元素 */
.yi-decoration {
  position: relative;
}
.yi-decoration::before {
  content: '◆';
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--gold);
  font-size: 12px;
}
/* Logo 图片样式 */
.nav-logo-img {
  height: 48px;
  width: auto;
  vertical-align: middle;
}

.nav-logo-img-footer {
  height: 60px;
  width: auto;
  vertical-align: middle;
}
/* 宝瓶图标 - 导航装饰 */
.nav-baopin {
  display: inline-block;
  vertical-align: middle;
  margin-right: 6px;
}

.nav-baopin img {
  height: 32px;
  width: auto;
  filter: grayscale(100%) brightness(0.3) contrast(1.2);
  opacity: 0.85;
  transition: filter 0.4s ease, opacity 0.4s ease;
}

.nav-baopin img:hover {
  filter: grayscale(0%) brightness(1) contrast(1);
  opacity: 1;
}

/* 导航栏整体布局优化 */
.nav-inner {
  display: flex;
  align-items: center;
  gap: 8px;
}
/* =====================
   Hero 轮播
   ===================== */
.hero-carousel {
  position: relative;
  height: 600px;
  overflow: hidden;
}
.carousel-inner {
  position: relative;
  height: 100%;
}
.carousel-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 1s ease;
  overflow: hidden;
}
.carousel-slide.active {
  opacity: 1;
  z-index: 1;
}
.carousel-bg-art {
  position: absolute;
  inset: 0;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 60%;
  opacity: 0.12;
  pointer-events: none;
}
/* 轮播控制按钮 */
.carousel-arrows {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 10;
  pointer-events: none;
}
.carousel-arrow {
  pointer-events: all;
  font-size: 40px;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  padding: 10px;
  transition: color 0.3s;
  line-height: 1;
}
.carousel-arrow:hover { color: rgba(255,255,255,0.9); }
/* 轮播指示点 */
.carousel-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  cursor: pointer;
  transition: all 0.3s;
}
.dot.active {
  background: var(--vermilion);
  transform: scale(1.3);
}
/* =====================
   下拉菜单
   ===================== */
.nav-dropdown {
  position: relative;
}
.nav-dropdown-trigger { color: #777;
  cursor: pointer;
}
.nav-arrow {
  font-size: 10px;
  margin-left: 3px;
  display: inline-block;
  transition: transform 0.3s;
}
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 160px;
  background: #fff;
  border-top: 2px solid var(--vermilion);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  z-index: 100;
  padding: 8px 0;
}
.nav-dropdown:hover .nav-dropdown-menu {
  display: block;
}
.nav-dropdown:hover .nav-arrow {
  transform: rotate(180deg);
}
.nav-dropdown-menu a {
  color: #B8860B;
  display: flex !important;
  align-items: center;
  gap: 8px;
  padding: 10px 20px !important;
  font-size: 13px !important;
  white-space: nowrap;
  transition: color 0.3s;
}
.nav-dropdown-menu a .nav-icon-img {
  filter: sepia(0.7) saturate(1.8) brightness(0.85) contrast(1.05);
  opacity: 0.6;
  transition: filter 0.4s ease, opacity 0.4s ease;
}
.nav-dropdown-menu a:hover,
.nav-dropdown-menu a.active {
  color: var(--vermilion) !important;
  background: #fdf6f0;
}
.nav-dropdown-menu a:hover .nav-icon-img,
.nav-dropdown-menu a.active .nav-icon-img {
  filter: grayscale(0%) brightness(1) contrast(1);
  opacity: 1;
}
/* =====================
   新闻列表 / 行业动态
   ===================== */
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-item {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid #ebe6df;
  transition: background 0.3s;
}
.news-item:hover { background: #fdfaf7; }
.news-date {
  flex-shrink: 0;
  width: 64px;
  text-align: center;
  padding-top: 4px;
}
.news-day {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--vermilion);
  line-height: 1;
  font-family: 'Noto Serif SC', serif;
}
.news-month {
  display: block;
  font-size: 12px;
  color: var(--ink-light);
  margin-top: 4px;
}
.news-content { flex: 1; }
.news-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 10px;
}
.news-title a { color: var(--ink); text-decoration: none; transition: color 0.3s; }
.news-title a:hover { color: var(--vermilion); }
.news-desc { color: var(--ink-light); font-size: 14px; line-height: 1.8; margin: 0 0 12px; }
.news-meta { display: flex; gap: 20px; align-items: center; font-size: 12px; color: var(--ink-light); }
.news-more { color: var(--vermilion); text-decoration: none; margin-left: auto; }
.news-more:hover { text-decoration: underline; }

/* =====================
   分页
   ===================== */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 48px; }
.page-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 14px;
  border: 1px solid #e0d8cf; background: #fff;
  color: var(--ink-light); text-decoration: none; font-size: 14px;
  transition: all 0.3s;
}
.page-btn:hover { border-color: var(--vermilion); color: var(--vermilion); }
.page-btn.active { background: var(--vermilion); border-color: var(--vermilion); color: #fff; }


.footer-legal { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 40px; padding-top: 20px; display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; }
.footer-legal span { color: rgba(255,255,255,0.4); font-size: 12px; }
.footer-legal .footer-sep { color: rgba(255,255,255,0.2); }
.footer-legal a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 12px; transition: color 0.3s; }
.footer-legal a:hover { color: rgba(255,255,255,0.9); }
.footer-legal .beian-link { color: rgba(255,255,255,0.4); text-decoration: none; }
.footer-legal .beian-link:hover { color: rgba(255,255,255,0.9); }
.footer-legal .beian-link::before { content: "📌"; margin-right: 3px; }