/* ============================================
   旺财28 — 金翠流光 · 珠宝级设计系统
   风格：暖白基底 + 翡翠绿 + 流光金 + 珊瑚点睛
   灵感：东方珍宝、琉璃光影、现代极简
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700;900&family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* 主色盘 */
  --primary: #2A9D8F;
  --primary-light: #4FBFB0;
  --primary-dark: #1E7D72;
  --primary-10: rgba(42, 157, 143, 0.08);
  --primary-20: rgba(42, 157, 143, 0.15);

  /* 金色系 */
  --gold: #D4A84B;
  --gold-light: #E9C46A;
  --gold-dark: #B8892F;
  --gold-10: rgba(212, 168, 75, 0.12);
  --gold-20: rgba(212, 168, 75, 0.25);
  --gold-gradient: linear-gradient(135deg, #D4A84B 0%, #E9C46A 50%, #D4A84B 100%);

  /* 点缀色 */
  --coral: #E76F51;
  --coral-light: #F4A261;
  --coral-10: rgba(231, 111, 81, 0.10);

  /* 背景色 — 全部为浅色 */
  --bg: #FDFBF7;
  --bg-alt: #F6F3ED;
  --bg-card: #FFFFFF;
  --bg-warm: #FAF7F0;

  /* 文字色 */
  --text: #1A2E2A;
  --text-secondary: #5A7A72;
  --text-light: #8A9E96;
  --text-white: #FFFFFF;

  /* 边框与阴影 */
  --border: #E8E0D6;
  --border-light: #F0EBE0;
  --shadow-sm: 0 2px 8px rgba(42, 157, 143, 0.06);
  --shadow-md: 0 8px 32px rgba(42, 157, 143, 0.10);
  --shadow-lg: 0 16px 56px rgba(42, 157, 143, 0.14);
  --shadow-glow: 0 4px 24px rgba(212, 168, 75, 0.25);

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* 字体 */
  --font-serif: 'Noto Serif SC', serif;
  --font-sans: 'Inter', system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;

  /* 过渡 */
  --ease: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 0.4s;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

::selection {
  background: var(--primary);
  color: var(--text-white);
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-alt); }
::-webkit-scrollbar-thumb { background: var(--primary-20); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-light); }

/* ===== 核心布局 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--bg-alt);
}

.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--gold-gradient);
  border-radius: 2px;
  opacity: 0.4;
}

.section:first-of-type::before {
  display: none;
}

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(253, 251, 247, 0.92);
  backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid var(--border-light);
  transition: background var(--duration) var(--ease-out), box-shadow var(--duration) var(--ease-out);
}

.site-header.scrolled {
  background: rgba(253, 251, 247, 0.98);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.3rem;
  text-decoration: none;
  color: var(--text);
  font-family: var(--font-serif);
  letter-spacing: 1px;
  transition: opacity 0.2s;
}

.logo:hover {
  opacity: 0.85;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: var(--gold-gradient);
  color: var(--text-white);
  font-weight: 700;
  box-shadow: 0 2px 12px rgba(212, 168, 75, 0.3);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.main-nav li {
  position: relative;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--duration) var(--ease-out);
  letter-spacing: 0.3px;
  padding: 4px 0;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold-gradient);
  border-radius: 1px;
  transition: width var(--duration) var(--ease-out);
}

.main-nav a:hover {
  color: var(--primary-dark);
}

.main-nav a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px !important;
  border-radius: var(--radius-sm);
  color: var(--text-white) !important;
  font-weight: 600;
  background: var(--gold-gradient);
  box-shadow: 0 4px 16px rgba(212, 168, 75, 0.3);
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease-out) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 28px rgba(212, 168, 75, 0.4) !important;
  color: var(--text-white) !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text);
  font-size: 1.4rem;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}

.menu-toggle:hover {
  background: var(--primary-10);
}

/* ===== 首页Hero ===== */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(165deg, var(--bg) 0%, var(--bg-warm) 40%, var(--bg-alt) 100%);
  overflow: hidden;
  padding-top: 72px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 60%;
  height: 140%;
  background: radial-gradient(ellipse at center, rgba(42, 157, 143, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(212, 168, 75, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 640px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  background: var(--gold-10);
  color: var(--gold-dark);
  border: 1px solid var(--gold-20);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-size: 3.4rem;
  font-weight: 900;
  font-family: var(--font-serif);
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--text);
  letter-spacing: -0.5px;
}

.hero h1 .highlight {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
  font-weight: 400;
}

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

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: perspective(1200px) rotateY(-3deg) rotateX(2deg);
  transition: transform var(--duration) var(--ease);
  border: 1px solid var(--border-light);
}

.hero-image:hover {
  transform: perspective(1200px) rotateY(0deg) rotateX(0deg);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s var(--ease-out);
}

.hero-image:hover img {
  transform: scale(1.03);
}

/* Hero装饰元素 */
.hero-decor {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 2px solid var(--gold-20);
  top: 20%;
  right: 10%;
  animation: floatDecor 8s ease-in-out infinite;
  pointer-events: none;
}

.hero-decor::after {
  content: '28';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 3rem;
  font-weight: 900;
  font-family: var(--font-serif);
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.15;
}

@keyframes floatDecor {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all var(--duration) var(--ease);
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  transition: width 0.6s, height 0.6s, top 0.6s, left 0.6s;
}

.btn:active::after {
  width: 300px;
  height: 300px;
  top: -100px;
  left: -100px;
}

.btn-primary {
  color: var(--text-white);
  background: var(--gold-gradient);
  box-shadow: 0 4px 20px rgba(212, 168, 75, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(212, 168, 75, 0.45);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary-dark);
}

.btn-outline:hover {
  background: var(--primary-10);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--primary-10);
}

.btn-outline:active {
  transform: translateY(0);
}

.btn-gold-outline {
  background: transparent;
  border: 1.5px solid var(--gold);
  color: var(--gold-dark);
}

.btn-gold-outline:hover {
  background: var(--gold-10);
  border-color: var(--gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--gold-10);
}

/* ===== 标签/标题 ===== */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  margin-bottom: 12px;
  color: var(--gold-dark);
  text-transform: uppercase;
  position: relative;
  padding-left: 36px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 2px;
  background: var(--gold-gradient);
  border-radius: 1px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  font-family: var(--font-serif);
  margin-bottom: 16px;
  color: var(--text);
  letter-spacing: -0.3px;
  line-height: 1.25;
}

.section-desc {
  max-width: 600px;
  color: var(--text-secondary);
  margin-bottom: 48px;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ===== 卡片网格 ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: var(--radius-md);
  padding: 32px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  transition: all var(--duration) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold-gradient);
  opacity: 0;
  transition: opacity var(--duration) var(--ease-out);
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-20);
}

.category-card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  background: var(--primary-10);
  color: var(--primary);
  transition: all var(--duration) var(--ease);
}

.category-card:hover .card-icon {
  background: var(--gold-gradient);
  color: var(--text-white);
  box-shadow: 0 4px 16px rgba(212, 168, 75, 0.3);
}

.category-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
  font-family: var(--font-serif);
}

.category-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--duration) var(--ease);
}

.card-link:hover {
  gap: 12px;
  color: var(--primary-dark);
}

/* ===== 特性块 ===== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  position: relative;
}

.feature-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(42, 157, 143, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s var(--ease-out);
}

.feature-image:hover img {
  transform: scale(1.02);
}

.feature-text {
  padding: 20px 0;
}

.feature-text .section-title {
  margin-bottom: 20px;
}

.feature-text p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list li {
  padding: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  color: var(--text);
}

.feature-list li::before {
  content: '✦';
  font-weight: 400;
  color: var(--gold);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ===== 数据条 ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}

.stat-item {
  padding: 32px 20px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  transition: all var(--duration) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold-gradient);
  transform: scaleX(0);
  transition: transform var(--duration) var(--ease-out);
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-20);
}

.stat-item:hover::before {
  transform: scaleX(1);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-serif);
  letter-spacing: -0.5px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 8px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* ===== 内容墙 ===== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  transition: all var(--duration) var(--ease-out);
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-20);
}

.content-wall-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-out);
}

.content-wall-item:hover img {
  transform: scale(1.04);
}

.content-wall-body {
  padding: 24px 24px 28px;
}

.content-wall-body .tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  background: var(--gold-10);
  color: var(--gold-dark);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
  line-height: 1.4;
  font-family: var(--font-serif);
}

.content-wall-body p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.content-wall-body .card-link {
  font-size: 0.8rem;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-card);
  transition: all var(--duration) var(--ease-out);
}

.faq-item:hover {
  border-color: var(--gold-20);
  box-shadow: var(--shadow-sm);
}

.faq-item.open {
  border-color: var(--gold-20);
  box-shadow: var(--shadow-sm);
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
  color: var(--text);
  transition: color var(--duration) var(--ease-out);
}

.faq-item.open .faq-question {
  color: var(--primary-dark);
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--gold);
  transition: transform var(--duration) var(--ease);
  font-weight: 300;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
  color: var(--primary);
}

.faq-item .faq-answer {
  padding: 0 24px 18px;
  display: none;
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.9rem;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeSlideIn 0.3s var(--ease-out);
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== CTA横幅 ===== */
.cta-banner {
  padding: 64px 40px;
  text-align: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--text-white);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(233, 196, 106, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -20%;
  width: 50%;
  height: 150%;
  background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner h2 {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: var(--font-serif);
  color: var(--text-white);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 520px;
  margin: 0 auto 28px;
  font-size: 1.05rem;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary {
  background: var(--text-white);
  color: var(--primary-dark);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  background: var(--bg-warm);
}

/* ===== 页脚 ===== */
.site-footer {
  padding: 64px 0 32px;
  background: var(--text);
  color: rgba(255, 255, 255, 0.7);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold-gradient);
  opacity: 0.6;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand .logo {
  color: var(--text-white);
  font-size: 1.1rem;
}

.footer-brand .logo-icon {
  width: 36px;
  height: 36px;
  font-size: 1rem;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-family: var(--font-sans);
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  font-size: 0.88rem;
  padding: 4px 0;
  transition: color var(--duration) var(--ease-out), padding var(--duration) var(--ease-out);
}

.footer-col a:hover {
  color: var(--gold-light);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.5px;
}

/* ===== 工具类 ===== */
.text-accent {
  color: var(--gold);
  font-weight: 700;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1rem;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ===== 额外装饰性工具 ===== */
.gold-line {
  width: 60px;
  height: 3px;
  background: var(--gold-gradient);
  border-radius: 2px;
  margin: 16px 0 24px;
}

.text-center .gold-line {
  margin: 16px auto 24px;
}

/* 金色标签 */
.badge-gold {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
  background: var(--gold-gradient);
  color: var(--text-white);
  letter-spacing: 0.5px;
  box-shadow: 0 2px 8px rgba(212, 168, 75, 0.25);
}

.badge-primary {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 50px;
  background: var(--primary-10);
  color: var(--primary-dark);
  letter-spacing: 0.5px;
}

/* 分割装饰 */
.divider-gold {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-20), transparent);
  margin: 40px 0;
  border: none;
}

/* 图片占位渐变 */
.img-placeholder {
  background: linear-gradient(135deg, var(--bg-alt) 0%, var(--border-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 0.9rem;
  min-height: 200px;
  border-radius: var(--radius-sm);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-content {
    max-width: 100%;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.8rem;
  }

  .hero p {
    max-width: 100%;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-image {
    max-width: 80%;
    margin: 0 auto;
    transform: none;
  }

  .hero-image:hover {
    transform: none;
  }

  .hero-decor {
    display: none;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .feature-image {
    order: -1;
    max-width: 80%;
    margin: 0 auto;
  }

  .feature-text {
    text-align: center;
  }

  .feature-text .section-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .feature-list {
    align-items: flex-start;
    text-align: left;
    max-width: 400px;
    margin: 0 auto;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .footer-brand {
    grid-column: 1 / -1;
    align-items: center;
    text-align: center;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .section-title {
    font-size: 2rem;
  }

  .cta-banner {
    padding: 48px 28px;
  }

  .cta-banner h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }

  .main-nav {
    display: none;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background: var(--bg-card);
    padding: 24px 28px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    animation: slideDown 0.3s var(--ease-out);
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-12px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .main-nav a {
    font-size: 1rem;
    padding: 8px 0;
  }

  .main-nav a::after {
    display: none;
  }

  .nav-cta {
    text-align: center;
    padding: 12px 24px !important;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: 100px 0 60px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-image {
    max-width: 100%;
  }

  .section {
    padding: 72px 0;
  }

  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
  }

  .content-wall {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-item {
    padding: 24px 16px;
  }

  .stat-number {
    font-size: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .footer-col h4 {
    margin-bottom: 14px;
  }

  .footer-col a {
    padding: 3px 0;
  }

  .feature-image {
    max-width: 100%;
  }

  .feature-block {
    gap: 28px;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .cta-banner h2 {
    font-size: 1.5rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }

  .faq-item .faq-question {
    padding: 14px 18px;
    font-size: 0.9rem;
  }

  .faq-item .faq-answer {
    padding: 0 18px 14px;
  }
}

@media (max-width: 480px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }

  .content-wall {
    grid-template-columns: 1fr;
  }

  .stats-bar {
    grid-template-columns: 1fr 1fr;
  }

  .stat-item:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .container {
    padding: 0 16px;
  }

  .section {
    padding: 56px 0;
  }

  .cta-banner {
    padding: 36px 20px;
    border-radius: var(--radius-md);
  }

  .cta-banner h2 {
    font-size: 1.3rem;
  }

  .cta-banner p {
    font-size: 0.9rem;
  }

  .content-wall-item img {
    height: 180px;
  }

  .hero-decor {
    display: none;
  }

  .stat-number {
    font-size: 1.7rem;
  }
}

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

.section {
  animation: fadeInUp 0.6s var(--ease-out) both;
}

.section:nth-child(1) { animation-delay: 0.05s; }
.section:nth-child(2) { animation-delay: 0.1s; }
.section:nth-child(3) { animation-delay: 0.15s; }
.section:nth-child(4) { animation-delay: 0.2s; }
.section:nth-child(5) { animation-delay: 0.25s; }

/* ===== 打印优化 ===== */
@media print {
  .site-header {
    position: relative;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
  }

  .hero {
    min-height: auto;
    padding: 40px 0;
  }

  .hero-image {
    box-shadow: none;
    border: 1px solid var(--border);
  }

  .btn, .nav-cta, .menu-toggle {
    display: none;
  }

  .main-nav {
    display: flex;
  }

  .section {
    padding: 40px 0;
    page-break-inside: avoid;
  }

  .cta-banner {
    background: var(--bg-alt) !important;
    color: var(--text) !important;
    box-shadow: none;
    border: 1px solid var(--border);
  }

  .cta-banner h2 { color: var(--text) !important; }
  .cta-banner p { color: var(--text-secondary) !important; }
  .cta-banner .btn-primary {
    background: var(--primary) !important;
    color: var(--text-white) !important;
  }

  .site-footer {
    background: var(--bg-alt) !important;
    color: var(--text) !important;
  }

  .site-footer .logo { color: var(--text) !important; }
  .footer-col a { color: var(--text-secondary) !important; }
}