/* ===== 高级美学升级版 - Premium Aesthetic ===== */
/* 设计心理学：简洁、对比、重复、对齐、亲密性 */

/* ===== 配色系统 ===== */
:root {
  /* 主色：竹林绿 */
  --green-deep: #1a4a2e;
  --green-main: #2d6a4f;
  --green-light: #52b788;
  --green-pale: #d8f3dc;
  
  /* 点缀：匠心金 */
  --gold-deep: #b8860b;
  --gold-main: #daa520;
  --gold-light: #ffd700;
  
  /* 中性：米白/墨色 */
  --cream: #faf7f2;
  --warm-white: #fefefe;
  --charcoal: #2d2d2d;
  --ink: #1a1a1a;
  
  /* 渐变 */
  --gradient-hero: linear-gradient(180deg, rgba(26,74,46,0.9) 0%, rgba(45,106,79,0.7) 50%, rgba(26,74,46,0.95) 100%);
  --gradient-gold: linear-gradient(135deg, var(--gold-deep), var(--gold-light));
}

/* ===== 字体升级 ===== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700&family=Playfair+Display:wght@400;600;700&family=Inter:wght@300;400;500&display=swap');

body {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  color: var(--charcoal);
  background: var(--cream);
}

/* 英文用Playfair衬线体 */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Serif SC', serif;
  font-weight: 600;
}

h1 small, h2 small, h3 small,
.en-small, .title-line.en, h4, h5 {
  font-family: 'Playfair Display', 'Inter', serif;
  font-weight: 400;
  letter-spacing: 0.05em;
}

/* ===== Hero升级 ===== */
.hero-title {
  text-align: center;
}

.hero-title .title-line {
  display: block;
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 0.3rem;
  background: linear-gradient(180deg, #fff 0%, rgba(255,255,255,0.85) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
}

.hero-title .title-line.en {
  font-size: 1.2rem;
  font-weight: 400;
  font-style: italic;
  opacity: 0.8;
  letter-spacing: 0.08em;
  background: none;
  -webkit-text-fill-color: rgba(255,255,255,0.7);
}

.hero-title .title-line.highlight {
  color: var(--gold-light);
  background: linear-gradient(180deg, var(--gold-light) 0%, var(--gold-main) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Hero徽章 */
.hero-badge {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
}

.hero-badge small {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.7rem;
  opacity: 0.6;
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.08em;
}

/* Hero数据 */
.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 2rem;
}

.hero-stats .stat {
  text-align: center;
  position: relative;
}

.hero-stats .stat::after {
  content: '';
  position: absolute;
  right: -1.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.2);
}

.hero-stats .stat:last-child::after {
  display: none;
}

.hero-stats .num {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gold-light);
  font-family: 'Playfair Display', serif;
}

.hero-stats .txt {
  font-size: 0.9rem;
  opacity: 0.85;
}

.hero-stats .txt small {
  display: block;
  font-size: 0.7rem;
  opacity: 0.5;
  margin-top: 0.2rem;
}

/* ===== 区块标题升级 ===== */
.section-header {
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.2rem;
  color: var(--green-deep);
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-gold);
}

.section-header.center h2::after {
  left: 50%;
}

.section-header p {
  color: rgba(45,45,45,0.6);
  margin-top: 0.8rem;
}

.section-header small {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.85rem;
  color: rgba(45,45,45,0.5);
}

.section-badge {
  display: inline-block;
  background: var(--green-pale);
  color: var(--green-deep);
  padding: 0.3rem 1rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
  border: 1px solid rgba(45,106,79,0.2);
}

/* ===== 品牌故事卡片升级 ===== */
.story-card {
  text-align: center;
  background: var(--warm-white);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  width: 300px;
  position: relative;
  box-shadow: 0 10px 40px rgba(26,74,46,0.08);
  border: 1px solid rgba(26,74,46,0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.story-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(26,74,46,0.15);
  border-color: var(--gold-main);
}

.story-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-gold);
  border-radius: 16px 16px 0 0;
}

.story-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.story-card h3 {
  font-size: 1.3rem;
  color: var(--green-deep);
  margin-bottom: 0.3rem;
}

.story-card h4 {
  font-size: 0.75rem;
  color: var(--gold-deep);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.story-card p {
  font-size: 0.9rem;
  color: rgba(45,45,45,0.7);
  line-height: 1.8;
}

.story-card p small {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  opacity: 0.6;
}

/* ===== 产品展示升级 ===== */
.product-scene-card {
  background: var(--warm-white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(26,74,46,0.08);
  transition: all 0.4s ease;
}

.product-scene-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(26,74,46,0.15);
}

.product-visual {
  background: linear-gradient(135deg, var(--green-pale) 0%, var(--cream) 100%);
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
}

.product-emoji {
  font-size: 5rem;
  filter: drop-shadow(0 10px 20px rgba(26,74,46,0.2));
}

.product-detail {
  padding: 2rem;
}

.product-detail h3 {
  font-size: 1.4rem;
  color: var(--green-deep);
  margin-bottom: 0.5rem;
}

.product-tagline {
  font-size: 0.95rem;
  color: var(--gold-deep);
  font-style: italic;
  margin-bottom: 1rem;
}

.product-tagline small {
  display: block;
  font-size: 0.75rem;
  opacity: 0.7;
  margin-top: 0.3rem;
}

.product-features {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.product-features li {
  padding: 0.5rem 0;
  font-size: 0.85rem;
  color: rgba(45,45,45,0.75);
  border-bottom: 1px dashed rgba(26,74,46,0.1);
}

.product-features li:last-child {
  border-bottom: none;
}

.btn-view {
  display: inline-block;
  color: var(--green-main);
  font-weight: 500;
  text-decoration: none;
  padding: 0.8rem 1.5rem;
  border: 2px solid var(--green-main);
  border-radius: 30px;
  transition: all 0.3s ease;
  font-size: 0.9rem;
}

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

/* ===== 工艺流程升级 ===== */
.craft-node {
  background: var(--warm-white);
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
  position: relative;
  box-shadow: 0 4px 20px rgba(26,74,46,0.06);
  transition: all 0.3s ease;
}

.craft-node:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 30px rgba(26,74,46,0.12);
}

.craft-node::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  border: 2px solid transparent;
  background: linear-gradient(var(--warm-white), var(--warm-white)) padding-box,
              linear-gradient(135deg, var(--gold-main), var(--gold-light)) border-box;
  opacity: 0;
  transition: opacity 0.3s;
}

.craft-node:hover::before {
  opacity: 1;
}

.node-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.node-num {
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
  background: var(--gradient-gold);
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.craft-node h4 {
  font-size: 1rem;
  color: var(--green-deep);
  margin-bottom: 0.2rem;
}

.craft-node h5 {
  font-size: 0.65rem;
  color: var(--gold-deep);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.craft-node p {
  font-size: 0.8rem;
  color: rgba(45,45,45,0.6);
}

.craft-node p small {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.65rem;
  opacity: 0.5;
}

/* ===== 用户评价升级 ===== */
.review-card {
  background: var(--warm-white);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(26,74,46,0.06);
  position: relative;
}

.review-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-size: 4rem;
  color: var(--gold-light);
  opacity: 0.3;
  font-family: 'Playfair Display', serif;
  line-height: 1;
}

.review-avatar {
  width: 50px;
  height: 50px;
  background: var(--green-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.review-text {
  font-size: 0.95rem;
  color: rgba(45,45,45,0.8);
  line-height: 1.8;
  font-style: italic;
}

.review-text small {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  opacity: 0.5;
  font-style: normal;
}

.review-author .name {
  color: var(--green-deep);
  font-weight: 600;
}

/* ===== 价值主张升级 ===== */
.value-card {
  background: var(--warm-white);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 4px 20px rgba(26,74,46,0.06);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-gold);
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(26,74,46,0.1);
}

.value-icon-large {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.value-card h3 {
  font-size: 1.2rem;
  color: var(--green-deep);
  margin-bottom: 0.3rem;
}

.value-card h4 {
  font-size: 0.7rem;
  color: var(--gold-deep);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.value-card p {
  font-size: 0.85rem;
  color: rgba(45,45,45,0.7);
  line-height: 1.6;
}

.value-card p small {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.7rem;
  opacity: 0.5;
}

/* ===== CTA升级 ===== */
.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta-content h2 small {
  display: block;
  font-size: 1rem;
  opacity: 0.7;
  margin-top: 0.5rem;
}

.btn-cta-primary {
  display: inline-block;
  background: var(--gradient-gold);
  color: white;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(218,165,32,0.3);
}

.btn-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(218,165,32,0.4);
}

.btn-cta-secondary {
  display: inline-block;
  background: transparent;
  color: white;
  padding: 1rem 2.5rem;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-cta-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
}

/* ===== 导航栏升级 ===== */
.navbar {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(26,74,46,0.08);
}

.logo-icon {
  background: var(--gradient-gold);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.nav-links a {
  color: var(--charcoal);
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--green-main);
}

/* ===== 按钮通用升级 ===== */
.btn-primary-large,
.btn-secondary-large {
  display: inline-block;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-primary-large {
  background: var(--green-main);
  color: white;
  box-shadow: 0 4px 15px rgba(45,106,79,0.3);
}

.btn-primary-large:hover {
  background: var(--green-deep);
  transform: translateY(-2px);
}

.btn-secondary-large {
  background: transparent;
  color: var(--green-main);
  border: 2px solid var(--green-main);
}

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

/* ===== 页脚升级 ===== */
.footer-modern {
  background: var(--ink);
  color: rgba(255,255,255,0.8);
}

.footer-logo {
  font-size: 1.5rem;
  color: var(--gold-light);
  font-weight: 700;
}

.footer-tagline {
  font-size: 0.9rem;
  opacity: 0.7;
}

.footer-col h4 {
  color: var(--gold-light);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.footer-col a,
.footer-col p {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-col a:hover {
  color: var(--gold-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
}

/* ===== 动画增强 ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.animate-fade-up {
  animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }

/* 金色光效 */
.gold-shimmer {
  background: linear-gradient(90deg, 
    var(--gold-deep) 0%, 
    var(--gold-light) 50%, 
    var(--gold-deep) 100%);
  background-size: 200% auto;
  animation: shimmer 3s linear infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .hero-title .title-line {
    font-size: 2rem;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .hero-stats .stat::after {
    display: none;
  }
  
  .story-card {
  text-align: center;
    width: 100%;
    max-width: 350px;
  }
}