/* ============================================
   新起点青少年人工智能官网 - 全局样式
   ============================================ */

/* CSS 变量定义 - 清晰、可信的教育品牌色彩系统 */
:root {
  --bg-page: #f8fafc;
  --bg-content: #ffffff;
  --bg-subtle: #eef7f6;
  --bg-hover: #e6f5f3;

  /* 文字色彩 - 浅色系列，深色背景可读 */
  --text-primary: #172033;
  --text-secondary: #3f4b5f;
  --text-light: #667085;
  --text-muted: #7b8798;

  /* 品牌色阶 - Teal 青色系 */
  --brand-50: #F0FDFA;
  --brand-100: #CCFBF1;
  --brand-200: #99F6E4;
  --brand-300: #5EEAD4;
  --brand-400: #2DD4BF;
  --brand-500: #14B8A6;
  --brand-600: #0D9488;
  --brand-700: #0F766E;
  --brand-800: #115E59;
  --brand-900: #134E4A;

  --brand-color: var(--brand-700);
  --brand-light: var(--brand-600);
  --brand-dark: var(--brand-800);
  --brand-soft: rgba(13, 148, 136, 0.1);
  --brand-border: rgba(13, 148, 136, 0.24);

  /* CTA 色阶 - Rose 玫红系 */
  --cta-50: #FFF1F2;
  --cta-100: #FFE4E6;
  --cta-200: #FECDD3;
  --cta-300: #FDA4AF;
  --cta-400: #FB7185;
  --cta-500: #F43F5E;
  --cta-600: #E11D48;
  --cta-700: #BE123C;
  --cta-800: #9F1239;

  --cta-color: var(--cta-500);
  --cta-hover: var(--cta-400);
  --cta-soft: rgba(244, 63, 94, 0.15);

  /* 辅助色 - Amber 金色系 */
  --accent-50: #FFFBEB;
  --accent-100: #FEF3C7;
  --accent-200: #FDE68A;
  --accent-300: #FCD34D;
  --accent-400: #FBBF24;
  --accent-500: #F59E0B;
  --accent-600: #D97706;
  --accent-color: var(--accent-400);
  --accent-soft: rgba(251, 191, 36, 0.15);

  /* 蓝紫色阶 - 用于第三类强调 */
  --violet-50: #F5F3FF;
  --violet-100: #EDE9FE;
  --violet-300: #C4B5FD;
  --violet-500: #8B5CF6;
  --violet-600: #7C3AED;
  --violet-700: #6D28D9;

  --border-color: #d8e0e8;
  --border-light: #e8edf2;
  --border-strong: #bcc7d4;

  /* 阴影系统 - 深色主题发光阴影 */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.25), 0 1px 2px -1px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 8px -2px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 20px -4px rgba(0, 0, 0, 0.35), 0 4px 8px -4px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 30px -6px rgba(0, 0, 0, 0.4), 0 8px 12px -6px rgba(0, 0, 0, 0.2);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --shadow-brand: 0 10px 30px -5px rgba(20, 184, 166, 0.35);
  --shadow-cta: 0 10px 30px -5px rgba(244, 63, 94, 0.4);

  /* 圆角系统 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 8px;
  --radius-xl: 8px;
  --radius-full: 9999px;

  /* 布局尺寸 */
  --max-width: 1200px;
  --content-width: 760px;
  --header-height: 72px;

  /* 间距系统 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  /* 动效 */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-primary);
  background: var(--bg-page);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (min-width: 768px) {
  body {
    font-size: 17px;
  }
}

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

a {
  color: var(--brand-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--brand-light);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--brand-color);
  outline-offset: 2px;
}

ul, ol {
  list-style-position: inside;
}

/* 跳过链接 */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--brand-color);
  color: white;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  z-index: 10000;
  font-weight: 500;
}

.skip-link:focus {
  top: 16px;
}

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

.container-narrow {
  max-width: var(--content-width);
}

/* 排版 */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: 0;
}

h1 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  h1 {
    font-size: 2.75rem;
  }
}

.home h1 {
  font-size: 2.5rem;
  line-height: 1.15;
}

@media (min-width: 768px) {
  .home h1 {
    font-size: 3.25rem;
  }
}

@media (min-width: 1024px) {
  .home h1 {
    font-size: 3.75rem;
  }
}

h2 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  h2 {
    font-size: 2.25rem;
  }
}

h3 {
  font-size: 1.375rem;
  margin-bottom: 0.75rem;
  margin-top: 1.5rem;
}

@media (min-width: 768px) {
  h3 {
    font-size: 1.5rem;
  }
}

h4 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  margin-top: 1.25rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

@media (min-width: 768px) {
  .section-title {
    margin-bottom: 3.5rem;
  }
}

.section-title::before {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-500), var(--brand-300));
  border-radius: 2px;
  margin: 0 auto 20px;
}

.section-title h2 {
  margin-top: 0;
  margin-bottom: 0.875rem;
  font-size: 1.875rem;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .section-title h2 {
    font-size: 2.25rem;
  }
}

.section-title p {
  max-width: 620px;
  margin: 0 auto;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cta-500), var(--cta-600));
  color: white;
  box-shadow: var(--shadow-cta);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--cta-600), var(--cta-700));
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 14px 30px -6px rgba(225, 29, 72, 0.3);
}

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

.btn-secondary {
  background-color: rgba(5, 20, 18, 0.75);
  color: #FFFFFF;
  border: 2px solid rgba(255, 255, 255, 0.3);
  font-weight: 600;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background-color: rgba(45, 212, 191, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
  color: #FFFFFF;
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4), 0 0 20px -5px rgba(45, 212, 191, 0.4);
}

.btn-outline {
  background-color: var(--bg-content);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  font-weight: 500;
}

.btn-outline:hover {
  border-color: var(--brand-color);
  color: var(--brand-light);
  background-color: var(--brand-soft);
}

.btn-lg {
  height: 56px;
  padding: 0 36px;
  font-size: 1.0625rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  height: 40px;
  padding: 0 18px;
  font-size: 0.9375rem;
}

/* 头部导航 - 浅色毛玻璃 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  z-index: 1000;
  height: var(--header-height);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  border-bottom-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: #0F172A;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.logo:hover {
  color: var(--brand-600);
}

.logo:hover .logo-icon {
  transform: translateY(-1px) scale(1.04);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(240, 253, 250, 0.94));
  border: 1px solid rgba(20, 184, 166, 0.28);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(13, 148, 136, 0.16);
  flex-shrink: 0;
  transition: transform var(--transition-base);
  overflow: hidden;
}

.logo-icon img {
  width: 94%;
  height: 94%;
  display: block;
  object-fit: contain;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 2px;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-link {
  padding: 8px 14px;
  font-size: 0.9375rem;
  color: #475569;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-weight: 500;
  position: relative;
}

.nav-link:hover {
  color: var(--brand-600);
  background-color: rgba(13, 148, 136, 0.08);
}

.nav-link.active {
  color: var(--brand-600);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-600), var(--brand-500));
  border-radius: 2px;
}

.nav-cta {
  margin-left: 16px;
  box-shadow: var(--shadow-brand);
}

/* 移动端菜单按钮 */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: #0F172A;
  transition: background-color var(--transition-fast);
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle:hover {
  background-color: rgba(13, 148, 136, 0.08);
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
}

/* 移动端导航 - 浅色主题 */
.nav-mobile {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 20px;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 999;
  overflow-y: auto;
}

.nav-mobile.open {
  transform: translateX(0);
}

.nav-mobile .nav-link {
  display: block;
  padding: 16px;
  font-size: 1.0625rem;
  border-bottom: 1px solid var(--border-light);
}

.nav-mobile .btn {
  width: 100%;
  margin-top: 20px;
}

/* 主内容区域 */
.site-main {
  padding-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

/* 区块 */
.section {
  padding: 56px 0;
}

@media (min-width: 768px) {
  .section {
    padding: 80px 0;
  }
}

@media (min-width: 1024px) {
  .section {
    padding: 96px 0;
  }
}

.section-alt {
  background-color: var(--bg-subtle);
}

/* 服务卡片、案例卡片、FAQ等 */
.service-card,
.case-card,
.faq-item,
.path-item,
.work-item,
.article-content,
.contact-grid > div,
.checklist-box,
.disclaimer-box,
.qa-checklist {
  background-color: var(--bg-content);
  border: 1px solid var(--border-color);
}

/* 数据信任条 - 深色玻璃态 */
.stats-bar {
  background-color: rgba(10, 31, 29, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(45, 212, 191, 0.2);
  border-bottom: 1px solid rgba(45, 212, 191, 0.2);
}

/* 页脚 */
.site-footer {
  background-color: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Hero 区域 */
.hero {
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
  background-image: linear-gradient(90deg, rgba(7, 38, 45, 0.9) 0%, rgba(7, 38, 45, 0.72) 48%, rgba(7, 38, 45, 0.32) 100%), url('/assets/images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
}

@media (min-width: 768px) {
  .hero {
    padding: 120px 0 140px;
    min-height: 85vh;
    display: flex;
    align-items: center;
  }
  .hero .container {
    width: 100%;
  }
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  background-color: rgba(5, 20, 18, 0.8);
  color: #FFFFFF;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  width: fit-content;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.hero h1 {
  color: #ffffff;
  margin-bottom: 20px;
  text-shadow: 0 3px 12px rgba(0, 0, 0, 0.5);
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--brand-300), var(--cta-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #FCD34D;
  font-weight: 600;
  margin-bottom: 16px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5), 0 0 20px rgba(252, 211, 77, 0.3);
}

.hero-desc {
  font-size: 1.0625rem;
  color: rgba(240, 253, 250, 0.95);
  margin-bottom: 32px;
  max-width: 540px;
  line-height: 1.8;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 32px;
}

/* Hero 全宽内容居中 */
.hero-content-full {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-content-full .hero-badge {
  margin-left: auto;
  margin-right: auto;
}

.hero-content-full .hero-desc {
  margin-left: auto;
  margin-right: auto;
}

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

/* 课程方向标签 */
.hero-course-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 8px;
}

.course-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  background: rgba(5, 20, 18, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: #FFFFFF;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
}

.course-tag:hover {
  background: rgba(20, 184, 166, 0.3);
  border-color: rgba(255, 255, 255, 0.4);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px -4px rgba(0, 0, 0, 0.5), 0 0 20px -5px rgba(45, 212, 191, 0.4);
}

.course-tag svg {
  color: var(--brand-300);
  flex-shrink: 0;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.5));
}

/* 首页全国赛真实合影首屏 */
.home-hero-national {
  min-height: min(720px, calc(100vh - var(--header-height)));
  padding: 0;
  display: flex;
  align-items: stretch;
  background: #f7f3ea;
}

.home-hero-national::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/hero-national-final.jpg') center center / cover no-repeat;
  opacity: 0.09;
  filter: grayscale(82%) blur(2.5px);
  transform: scale(1.006);
  pointer-events: none;
}

.home-hero-national .container {
  min-height: inherit;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-top: 28px;
  padding-bottom: 24px;
}

.home-hero-copy {
  width: min(820px, 72%);
  margin: 0 auto;
  padding: 18px 28px 20px;
  text-align: center;
  color: #172033;
  background: rgba(247, 243, 234, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 8px;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.24);
}

.home-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #a33a2c;
  font-size: 0.875rem;
  font-weight: 700;
}

.home-hero-copy h1 {
  margin: 9px 0 10px;
  color: #172033;
  font-size: 2.65rem;
  line-height: 1.12;
  text-shadow: none;
}

.home-hero-copy h1 span {
  color: #ff7b68;
}

.home-hero-copy .hero-desc {
  max-width: 560px;
  margin: 0 auto 15px;
  color: #495467;
  font-size: 0.9375rem;
  line-height: 1.6;
  text-shadow: none;
}

.home-hero-copy .hero-buttons {
  justify-content: center;
  margin-bottom: 0;
}

.home-hero-national .btn-primary {
  background: #ed513f;
  border-color: #ed513f;
  box-shadow: 0 10px 24px rgba(237, 81, 63, 0.28);
}

.home-hero-national .btn-primary:hover {
  background: #d94130;
  border-color: #d94130;
}

.home-hero-national .btn-secondary {
  color: #172033;
  background: rgba(247, 243, 234, 0.72);
  border-color: #172033;
  box-shadow: none;
}

.home-hero-national .btn-secondary:hover {
  color: #ffffff;
  background: #172033;
}

.home-hero-index {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  width: fit-content;
  max-width: 100%;
  margin: auto auto 0;
  padding: 13px 16px;
  color: #ffffff;
  background: rgba(10, 18, 30, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 6px;
  backdrop-filter: blur(8px);
}

.home-hero-index strong {
  padding: 0 18px 0 4px;
  color: #ff9a8b;
  font-size: 0.8125rem;
}

.home-hero-index span {
  padding: 0 18px;
  border-left: 1px solid rgba(255, 255, 255, 0.28);
  font-size: 0.8125rem;
  font-weight: 600;
}

@media (max-width: 767px) {
  .home-hero-national {
    min-height: 720px;
    background: #f7f3ea;
  }

  .home-hero-national::before {
    background-size: auto 55%;
    background-position: center bottom;
    background-repeat: no-repeat;
    opacity: 0.075;
    filter: grayscale(90%) blur(2.5px);
  }

  .home-hero-national .container {
    padding: 0 16px 16px;
  }

  .home-hero-copy {
    width: 100%;
    margin: 0 -16px;
    width: calc(100% + 32px);
    padding: 22px 20px 24px;
    background: #f7f3ea;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .home-hero-copy h1 {
    font-size: 2.15rem;
  }

  .home-hero-copy h1 span {
    display: block;
  }

  .home-hero-copy .hero-desc {
    font-size: 0.9375rem;
    line-height: 1.65;
  }

  .home-hero-copy .hero-buttons {
    gap: 10px;
  }

  .home-hero-copy .btn {
    flex: 1 1 140px;
  }

  .home-hero-index {
    width: 100%;
    justify-content: flex-start;
    gap: 8px 0;
    padding: 12px;
  }

  .home-hero-index strong {
    width: 100%;
    padding: 0 6px 4px;
  }

  .home-hero-index span {
    padding: 0 9px;
    font-size: 0.75rem;
  }
}

/* 数据信任条 */
.stats-bar {
  padding: 32px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  text-align: center;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
  }
}

.stat-item {
  padding: 8px 0;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--brand-600), var(--brand-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

@media (min-width: 768px) {
  .stat-number {
    font-size: 2.5rem;
  }
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-light);
  font-weight: 500;
}

/* 问答卡片 */
.qa-inline {
  background: var(--bg-content);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.qa-inline::before {
  content: '?';
  position: absolute;
  top: -20px;
  right: -10px;
  font-size: 12rem;
  font-weight: 800;
  color: rgba(45, 212, 191, 0.08);
  line-height: 1;
  pointer-events: none;
  font-family: Georgia, serif;
}

@media (min-width: 768px) {
  .qa-inline {
    padding: 48px 44px;
  }
}

.qa-inline h2 {
  color: var(--brand-dark);
  margin-top: 0;
  font-size: 1.5rem;
  position: relative;
  z-index: 1;
  line-height: 1.3;
}

@media (min-width: 768px) {
  .qa-inline h2 {
    font-size: 1.875rem;
  }
}

.qa-inline h3 {
  position: relative;
  z-index: 1;
}

.qa-inline p,
.qa-inline ul {
  position: relative;
  z-index: 1;
}

.qa-checklist {
  margin: 24px 0;
  padding-left: 0;
  list-style: none;
}

.qa-checklist li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.qa-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  background-color: rgba(45, 212, 191, 0.15);
  border: 2px solid var(--brand-400);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qa-checklist li::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  width: 5px;
  height: 9px;
  border: solid var(--brand-300);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* 服务卡片 */
.services-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  border-radius: var(--radius-lg);
  padding: 36px 32px 32px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  border-color: rgba(45, 212, 191, 0.4);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.4), 0 0 30px -5px rgba(20, 184, 166, 0.2);
  transform: translateY(-8px);
}

/* 卡片编号角标 */
.service-card::after {
  content: attr(data-index);
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 3rem;
  font-weight: 800;
  color: rgba(45, 212, 191, 0.08);
  line-height: 1;
  transition: all var(--transition-base);
  pointer-events: none;
  font-feature-settings: 'tnum';
}

.service-card:hover::after {
  color: rgba(45, 212, 191, 0.15);
  transform: scale(1.1);
}

.service-card:nth-child(2):hover::after {
  color: rgba(139, 92, 246, 0.15);
}

.service-card:nth-child(3):hover::after {
  color: rgba(244, 63, 94, 0.15);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-500), var(--brand-300));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

/* 为不同服务卡片设置不同的顶栏颜色 */
.service-card:nth-child(1)::before {
  background: linear-gradient(90deg, var(--brand-500), var(--brand-300));
}
.service-card:nth-child(2)::before {
  background: linear-gradient(90deg, var(--violet-500), var(--violet-300));
}
.service-card:nth-child(3)::before {
  background: linear-gradient(90deg, var(--cta-500), var(--cta-300));
}

.service-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.15), rgba(15, 42, 39, 0.8));
  border: 2px solid rgba(45, 212, 191, 0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-400);
  margin-bottom: 20px;
  transition: all var(--transition-base);
}

.service-card:nth-child(2) .service-icon {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(15, 42, 39, 0.8));
  border-color: rgba(139, 92, 246, 0.3);
  color: var(--violet-400);
}

.service-card:nth-child(3) .service-icon {
  background: linear-gradient(135deg, rgba(244, 63, 94, 0.15), rgba(15, 42, 39, 0.8));
  border-color: rgba(244, 63, 94, 0.3);
  color: var(--cta-400);
}

.service-card:hover .service-icon {
  transform: scale(1.08) rotate(-3deg);
}

.service-card:nth-child(1):hover .service-icon {
  background: linear-gradient(135deg, var(--brand-500), var(--brand-400));
  border-color: var(--brand-400);
  color: white;
  box-shadow: 0 8px 20px -4px rgba(20, 184, 166, 0.4);
}

.service-card:nth-child(2):hover .service-icon {
  background: linear-gradient(135deg, var(--violet-500), var(--violet-400));
  border-color: var(--violet-400);
  color: white;
  box-shadow: 0 8px 20px -4px rgba(139, 92, 246, 0.4);
}

.service-card:nth-child(3):hover .service-icon {
  background: linear-gradient(135deg, var(--cta-500), var(--cta-400));
  border-color: var(--cta-400);
  color: white;
  box-shadow: 0 8px 20px -4px rgba(244, 63, 94, 0.4);
}

.service-card h3 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.service-card p {
  font-size: 0.9375rem;
  margin-bottom: 18px;
  line-height: 1.7;
}

.service-meta {
  font-size: 0.8125rem;
  color: var(--text-light);
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background-color: rgba(45, 212, 191, 0.1);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-weight: 500;
  border: 1px solid rgba(45, 212, 191, 0.2);
  color: var(--brand-200);
  transition: all var(--transition-fast);
}

.service-meta span::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--brand-400);
  flex-shrink: 0;
}

.service-card:nth-child(2) .service-meta span {
  background-color: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.2);
  color: var(--violet-300);
}

.service-card:nth-child(2) .service-meta span::before {
  background-color: var(--violet-400);
}

.service-card:nth-child(3) .service-meta span {
  background-color: rgba(244, 63, 94, 0.1);
  border-color: rgba(244, 63, 94, 0.2);
  color: var(--cta-300);
}

.service-card:nth-child(3) .service-meta span::before {
  background-color: var(--cta-400);
}

.service-card:hover .service-meta span {
  background-color: rgba(45, 212, 191, 0.2);
  border-color: rgba(45, 212, 191, 0.3);
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--brand-color);
  transition: all var(--transition-fast);
  padding: 8px 0;
  position: relative;
}

.service-link::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 0;
  width: 0;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: width var(--transition-base);
  opacity: 0.3;
}

.service-link:hover {
  gap: 8px;
}

.service-link:hover::after {
  width: calc(100% - 24px);
}

/* 学习路径 */
.path-timeline {
  display: grid;
  gap: 0;
  position: relative;
}

@media (min-width: 768px) {
  .path-timeline {
    grid-template-columns: repeat(5, 1fr);
  }
}

.path-item {
  position: relative;
  padding: 32px 24px 28px;
  transition: all var(--transition-base);
}

.path-item:hover {
  border-color: rgba(45, 212, 191, 0.4);
  background-color: rgba(45, 212, 191, 0.08);
  z-index: 1;
  transform: translateY(-4px);
  box-shadow: 0 15px 35px -8px rgba(0, 0, 0, 0.4);
}

@media (max-width: 767px) {
  .path-item {
    border-bottom: none;
    padding: 28px 24px;
  }
  .path-item:last-child {
    border-bottom: 1px solid var(--border-color);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }
  .path-item:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
  .path-item:not(:last-child)::before {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 24px;
    background: linear-gradient(180deg, var(--brand-300), var(--brand-100));
    z-index: 1;
  }
}

@media (min-width: 768px) {
  .path-item {
    border-right: none;
    padding: 32px 20px 28px;
  }
  .path-item:last-child {
    border-right: 1px solid var(--border-color);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  }
  .path-item:first-child {
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  }
  .path-item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 44px;
    right: -8px;
    width: 16px;
    height: 16px;
    background: #ffffff;
    border: 2px solid var(--brand-400);
    border-radius: 50%;
    z-index: 2;
  }
  .path-item:not(:last-child)::before {
    content: '';
    position: absolute;
    top: 51px;
    right: -8px;
    width: calc(100% + 8px);
    height: 2px;
    background: linear-gradient(90deg, var(--brand-500), rgba(45, 212, 191, 0.3));
    z-index: 1;
  }
}

.path-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--brand-600), var(--brand-400));
  color: white;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  box-shadow: 0 8px 20px -4px rgba(15, 118, 110, 0.3);
  position: relative;
  transition: all var(--transition-base);
}

.path-step::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: calc(var(--radius-md) + 3px);
  border: 2px solid var(--brand-200);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.path-item:hover .path-step {
  transform: scale(1.08);
  box-shadow: 0 12px 28px -4px rgba(15, 118, 110, 0.4);
}

.path-item:hover .path-step::after {
  opacity: 1;
}

/* 渐变色阶步骤 */
.path-item:nth-child(2) .path-step {
  background: linear-gradient(135deg, #0D9488, #2DD4BF);
  box-shadow: 0 8px 20px -4px rgba(13, 148, 136, 0.3);
}
.path-item:nth-child(3) .path-step {
  background: linear-gradient(135deg, #0891B2, #22D3EE);
  box-shadow: 0 8px 20px -4px rgba(8, 145, 178, 0.3);
}
.path-item:nth-child(4) .path-step {
  background: linear-gradient(135deg, #7C3AED, #A78BFA);
  box-shadow: 0 8px 20px -4px rgba(124, 58, 237, 0.3);
}
.path-item:nth-child(5) .path-step {
  background: linear-gradient(135deg, var(--cta-600), var(--cta-400));
  box-shadow: 0 8px 20px -4px rgba(225, 29, 72, 0.3);
}

.path-item h4 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.path-item p {
  font-size: 0.875rem;
  margin-bottom: 0;
  color: var(--text-light);
  line-height: 1.7;
}

/* 案例卡片 */
.cases-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 768px) {
  .cases-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.case-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
}

.case-card:hover {
  border-color: rgba(45, 212, 191, 0.4);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.4);
  transform: translateY(-8px);
}

.case-card a {
  text-decoration: none;
  color: inherit;
  display: block;
}

.case-image {
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.9375rem;
  font-weight: 600;
  position: relative;
  overflow: hidden;
}

.case-card:nth-child(1) .case-image {
  background: linear-gradient(135deg, #0F766E 0%, #14B8A6 50%, #2DD4BF 100%);
}
.case-card:nth-child(2) .case-image {
  background: linear-gradient(135deg, #6D28D9 0%, #8B5CF6 50%, #A78BFA 100%);
}
.case-card:nth-child(3) .case-image {
  background: linear-gradient(135deg, #B45309 0%, #D97706 50%, #FBBF24 100%);
}

.case-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.07'%3E%3Cpath d='M30 0l5.5 22.5L60 30 35.5 37.5 30 60l-5.5-22.5L0 30l24.5-7.5z'/%3E%3C/g%3E%3C/svg%3E");
}

/* 悬停覆盖层 */
.case-image::after {
  content: '查看详情 →';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(2px);
  font-size: 0.9375rem;
  font-weight: 600;
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 1;
}

.case-card:hover .case-image::after {
  opacity: 1;
}

.case-image span {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.case-image span::before {
  content: '';
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Crect x='3' y='3' width='18' height='18' rx='2'/%3E%3Ccircle cx='8.5' cy='8.5' r='1.5'/%3E%3Cpolyline points='21 15 16 10 5 21'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  flex-shrink: 0;
}

.case-content {
  padding: 24px;
  transition: background-color var(--transition-fast);
}

.case-card:hover .case-content {
  background-color: rgba(45, 212, 191, 0.05);
}

.case-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  background-color: rgba(45, 212, 191, 0.15);
  color: var(--brand-300);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.case-card:nth-child(2) .case-tag {
  background-color: rgba(139, 92, 246, 0.15);
  color: var(--violet-300);
}

.case-card:nth-child(3) .case-tag {
  background-color: rgba(251, 191, 36, 0.15);
  color: var(--accent-300);
}

.case-card h3 {
  font-size: 1.125rem;
  margin: 0 0 10px 0;
}

.cases-text-grid,
.honors-text-index {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.case-summary-card,
.honors-text-index article {
  padding: 24px;
  border: 1px solid rgba(221, 203, 171, 0.72);
  border-radius: 18px;
  background:
    radial-gradient(circle at 90% 10%, rgba(20, 184, 166, 0.08), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 250, 240, 0.9));
  box-shadow: 0 18px 42px rgba(117, 90, 47, 0.09);
}

.case-summary-card h2,
.honors-text-index h3 {
  margin: 0 0 12px;
  color: var(--text-primary);
  font-size: 1.25rem;
  line-height: 1.4;
}

.case-summary-card p,
.honors-text-index p {
  margin: 0 0 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.case-summary-card ul {
  margin: 0 0 16px;
  padding-left: 20px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.case-summary-card li + li {
  margin-top: 8px;
}

.case-evidence-section {
  margin-top: 68px;
}

.case-evidence-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 30px;
}

.case-evidence-card {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  border: 1px solid rgba(221, 203, 171, 0.72);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 250, 240, 0.9));
  box-shadow: 0 22px 52px rgba(117, 90, 47, 0.1);
}

.case-evidence-media {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #fffaf1;
  border-bottom: 1px solid rgba(221, 203, 171, 0.62);
}

.case-evidence-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.case-evidence-card:hover .case-evidence-media img {
  transform: scale(1.035);
}

.case-evidence-body {
  display: flex;
  flex-direction: column;
  padding: 24px;
}

.case-evidence-body h3 {
  margin: 0 0 10px;
  color: var(--text-primary);
  font-size: 1.35rem;
  line-height: 1.35;
}

.case-evidence-body p {
  margin: 0 0 18px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.case-fact-list,
.certificate-meta-list {
  display: grid;
  gap: 10px;
  margin: 0 0 18px;
}

.case-fact-list div,
.certificate-meta-list div {
  display: grid;
  grid-template-columns: 6.5em minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.case-fact-list dt,
.certificate-meta-list dt {
  color: var(--text-light);
  font-size: 0.85rem;
  font-weight: 800;
}

.case-fact-list dd,
.certificate-meta-list dd {
  margin: 0;
  color: var(--text-primary);
  font-size: 0.93rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.text-link {
  color: var(--brand-700);
  font-weight: 800;
  text-decoration: none;
}

.text-link:hover {
  color: var(--coral-500);
}

.case-meta {
  font-size: 0.875rem;
  color: var(--text-light);
  margin: 0;
}

/* 作品网格 */
.works-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
  .works-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .works-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.work-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  aspect-ratio: 1;
  transition: all var(--transition-base);
}

.work-item:nth-child(1) {
  background: linear-gradient(135deg, #0F766E, #14B8A6);
}
.work-item:nth-child(2) {
  background: linear-gradient(135deg, #7C3AED, #A78BFA);
}
.work-item:nth-child(3) {
  background: linear-gradient(135deg, #0369A1, #38BDF8);
}
.work-item:nth-child(4) {
  background: linear-gradient(135deg, #B45309, #F59E0B);
}

.work-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Cpath d='M30 5L35 20L50 20L38 30L42 45L30 36L18 45L22 30L10 20L25 20Z'/%3E%3C/g%3E%3C/svg%3E");
}

.work-item:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.work-item:focus-visible {
  outline: 2px solid var(--brand-color);
  outline-offset: 2px;
}

.work-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(15, 23, 42, 0.8));
  color: white;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.work-item:hover .work-overlay,
.work-item:focus-visible .work-overlay {
  opacity: 1;
}

.work-overlay h4 {
  margin: 0 0 6px 0;
  font-size: 1rem;
  color: white;
}

.work-overlay p {
  margin: 0;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.85);
}

/* FAQ 折叠 */
.faq-list {
  max-width: var(--content-width);
  margin: 0 auto;
}

.faq-item {
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

.faq-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: transparent;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  transition: background var(--transition-base);
}

.faq-item:hover {
  border-color: rgba(45, 212, 191, 0.3);
  box-shadow: var(--shadow-md);
}

.faq-item:hover::before {
  background: rgba(45, 212, 191, 0.3);
}

.faq-item.open {
  border-color: rgba(45, 212, 191, 0.4);
  box-shadow: var(--shadow-lg);
}

.faq-item.open::before {
  background: linear-gradient(180deg, var(--brand-500), var(--brand-400));
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 24px 22px 28px;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  color: var(--text-primary);
  gap: 16px;
  transition: all var(--transition-fast);
  line-height: 1.5;
}

.faq-question:hover {
  background-color: rgba(45, 212, 191, 0.08);
}

.faq-item.open .faq-question {
  color: var(--brand-300);
  padding-bottom: 16px;
}

/* 问题编号前缀 */
.faq-question > span:first-child {
  position: relative;
  padding-left: 0;
  flex: 1;
}

.faq-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  color: var(--brand-400);
  background-color: rgba(45, 212, 191, 0.15);
  border-radius: 50%;
}

.faq-icon svg {
  transition: transform var(--transition-base);
}

.faq-item:hover .faq-icon {
  background-color: rgba(45, 212, 191, 0.25);
}

.faq-item.open .faq-icon {
  background: linear-gradient(135deg, var(--brand-500), var(--brand-400));
  color: white;
  box-shadow: 0 4px 15px -2px rgba(20, 184, 166, 0.4);
}

.faq-item.open .faq-icon svg {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 28px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.open .faq-answer {
  padding: 0 28px 24px;
  max-height: 500px;
}

.faq-answer p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.85;
  padding-left: 0;
  position: relative;
}

/* 联系区域 - 深色主题 */
.contact-section {
  background: var(--bg-subtle);
  border-top: 1px solid var(--border-color);
}

.contact-grid {
  display: grid;
  gap: 40px;
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-info h3 {
  margin-top: 0;
  font-size: 1.375rem;
}

.contact-qrcode {
  width: 180px;
  height: 180px;
  background: rgba(240, 253, 250, 0.95);
  border: 1px solid rgba(45, 212, 191, 0.3);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-700);
  font-size: 0.875rem;
  margin-bottom: 18px;
  box-shadow: var(--shadow-lg);
}

.contact-id-card {
  max-width: 360px;
  padding: 22px;
  margin: 18px 0;
  background: var(--bg-subtle);
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-lg);
  display: grid;
  gap: 6px;
}

.contact-id-card span,
.contact-id-card small {
  color: var(--text-light);
}

.contact-id-card strong {
  color: var(--brand-dark);
  font-size: 1.6rem;
  letter-spacing: 0;
}

.contact-qr-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0 0;
}

.contact-qr-card {
  min-width: 0;
  margin: 0;
  padding: 12px;
  border: 1px solid rgba(221, 203, 171, 0.62);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 12px 28px rgba(117, 90, 47, 0.08);
}

.contact-qr-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 10px;
  background: #ffffff;
}

.contact-qr-card figcaption {
  display: grid;
  gap: 3px;
  margin-top: 10px;
}

.contact-qr-card strong {
  color: var(--text-primary);
  font-size: 0.95rem;
}

.contact-qr-card span {
  color: var(--text-secondary);
  font-size: 0.84rem;
  line-height: 1.45;
}

.content-status {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px;
  background: var(--bg-content);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--brand-color);
  border-radius: var(--radius-lg);
}

.content-status h3 {
  margin: 0 0 10px;
}

.content-status p {
  color: var(--text-secondary);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.wechat-copy {
  position: relative;
}

.copy-toast {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background-color: var(--text-primary);
  color: white;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.copy-toast.show {
  opacity: 1;
}

/* 页脚 */
.site-footer {
  background: linear-gradient(180deg, #0F172A 0%, #1E293B 60%, #0F172A 100%);
  color: #CBD5E1;
  padding: 64px 0 28px;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-600), var(--brand-400), var(--violet-500), var(--cta-500));
}

.site-footer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse at center, rgba(20, 184, 166, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.footer-grid {
  display: grid;
  gap: 40px;
  margin-bottom: 48px;
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-brand .logo-icon {
  margin-bottom: 16px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(94, 234, 212, 0.35);
}

.footer-brand h3 {
  color: white;
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.1875rem;
  letter-spacing: -0.01em;
}

.footer-brand p {
  color: #94A3B8;
  font-size: 0.875rem;
  margin-bottom: 0;
  line-height: 1.75;
  max-width: 320px;
}

.footer-col h4 {
  color: white;
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 0.9375rem;
  font-weight: 600;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-500), transparent);
  border-radius: 1px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: 4px;
}

.footer-col a {
  color: #94A3B8;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 0;
  position: relative;
}

.footer-col a::before {
  content: '';
  width: 0;
  height: 1px;
  background: var(--brand-400);
  transition: width var(--transition-fast);
}

.footer-col a:hover {
  color: white;
  padding-left: 4px;
}

.footer-col a:hover::before {
  width: 12px;
}

.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  padding-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: #64748B;
  position: relative;
  z-index: 1;
}

.footer-bottom a {
  color: #94A3B8;
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: white;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}

.footer-legal span {
  color: #475569;
}

/* 浮动咨询 */
.floating-contact {
  position: fixed;
  z-index: 900;
}

.floating-contact-desktop {
  bottom: 28px;
  right: 28px;
  display: none;
}

@media (min-width: 768px) {
  .floating-contact-desktop {
    display: block;
  }
}

.floating-contact-mobile {
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(45, 212, 191, 0.2);
  padding: 12px 16px;
  display: flex;
  gap: 12px;
  box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.4);
}

@media (min-width: 768px) {
  .floating-contact-mobile {
    display: none;
  }
}

.floating-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-600), var(--brand-500));
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-brand);
  position: relative;
  transition: transform var(--transition-base);
}

.floating-btn:hover {
  transform: scale(1.08);
}

.floating-btn::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--brand-300);
  opacity: 0;
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 0.6; }
  100% { transform: scale(1.3); opacity: 0; }
}

.floating-btn svg {
  width: 28px;
  height: 28px;
}

.floating-contact-mobile .btn {
  flex: 1;
}

.wechat-popup {
  position: absolute;
  bottom: 76px;
  right: 0;
  background-color: rgba(15, 42, 39, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(45, 212, 191, 0.2);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-2xl);
  width: 240px;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
}

.wechat-popup.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.wechat-popup-qrcode {
  width: 170px;
  height: 170px;
  background: rgba(240, 253, 250, 0.95);
  border: 1px solid rgba(45, 212, 191, 0.3);
  border-radius: var(--radius-md);
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-700);
  font-size: 0.75rem;
}

.wechat-popup-id {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
  word-break: break-all;
}

.wechat-popup .btn-sm {
  width: 100%;
}

/* 面包屑 */
.breadcrumb {
  padding: 18px 0;
  font-size: 0.875rem;
  color: var(--text-light);
  background: #ffffff;
}

.breadcrumb ol {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: var(--border-strong);
}

.breadcrumb a {
  color: var(--text-secondary);
}

.breadcrumb li:last-child {
  color: var(--text-primary);
  font-weight: 500;
}

/* 页面标题区域 */
.page-header {
  padding: 56px 0 40px;
  text-align: center;
  background: var(--bg-subtle);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.page-header h1 {
  margin-bottom: 14px;
  position: relative;
}

.page-header p {
  max-width: 620px;
  margin: 0 auto;
  color: var(--text-secondary);
  font-size: 1.0625rem;
  position: relative;
}

/* 筛选器 */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
  justify-content: center;
}

.filter-btn {
  padding: 10px 20px;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--brand-dark);
  font-weight: 500;
}

.filter-btn:hover {
  border-color: var(--brand-color);
  color: var(--brand-light);
  background-color: rgba(45, 212, 191, 0.1);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--brand-600), var(--brand-500));
  border-color: var(--brand-500);
  color: white;
  box-shadow: var(--shadow-brand);
}

/* 图片查看器 */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.95);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  position: relative;
}

.lightbox-image {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.lightbox-caption {
  position: absolute;
  bottom: -44px;
  left: 0;
  right: 0;
  text-align: center;
  color: white;
  font-size: 0.9375rem;
}

.lightbox-close {
  position: absolute;
  top: -52px;
  right: 0;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.2);
}

.lightbox-close svg {
  width: 28px;
  height: 28px;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  background-color: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.lightbox-nav:hover {
  background-color: rgba(255,255,255,0.2);
}

.lightbox-nav svg {
  width: 24px;
  height: 24px;
}

.lightbox-prev {
  left: -68px;
}

.lightbox-next {
  right: -68px;
}

@media (max-width: 767px) {
  .lightbox-prev {
    left: 12px;
  }
  .lightbox-next {
    right: 12px;
  }
}

/* 文章内容 */
.article-content {
  max-width: var(--content-width);
  margin: 0 auto;
}

.article-content h2 {
  margin-top: 2.5rem;
}

.article-content ul,
.article-content ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

/* 问答详情 */
.qa-detail .answer-intro {
  font-size: 1.125rem;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 2rem;
}

.qa-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  padding: 18px;
  background-color: var(--bg-subtle);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.checklist-box h3 {
  margin-top: 0;
  color: var(--brand-dark);
}

.disclaimer-box {
  background-color: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.25);
  border-radius: var(--radius-lg);
  padding: 22px;
  margin: 24px 0;
  font-size: 0.9375rem;
}

.disclaimer-box p {
  margin: 0;
  color: #7c5500;
}

.related-links {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.related-links h3 {
  margin-top: 0;
}

.related-grid {
  display: grid;
  gap: 14px;
}

@media (min-width: 768px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.related-link {
  display: block;
  padding: 16px 20px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  font-weight: 500;
}

.related-link:hover {
  border-color: var(--brand-color);
  color: var(--brand-light);
  background-color: rgba(45, 212, 191, 0.1);
}

.followup-questions {
  margin-top: 2rem;
}

.followup-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
}

.followup-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  background: none;
  border: none;
  font-size: 0.9375rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  color: var(--text-primary);
  gap: 12px;
}

.followup-answer {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.followup-item.open .followup-answer {
  padding: 0 22px 18px;
  max-height: 300px;
}

.followup-answer p {
  margin: 0;
  font-size: 0.875rem;
}

.source-list {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-top: 1rem;
}

.source-list li {
  margin-bottom: 4px;
}

.qa-enhance-panel {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 26px;
  margin: 34px 0 42px;
  padding: 24px;
  border: 1px solid rgba(221, 203, 171, 0.72);
  border-radius: 20px;
  background:
    radial-gradient(circle at 90% 12%, rgba(20, 184, 166, 0.08), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(255, 250, 240, 0.9));
  box-shadow: 0 20px 52px rgba(117, 90, 47, 0.1);
}

.qa-enhance-media {
  min-height: 100%;
  overflow: hidden;
  border-radius: 16px;
  background: #fffaf1;
  border: 1px solid rgba(221, 203, 171, 0.62);
}

.qa-enhance-media img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  display: block;
  object-fit: cover;
}

.qa-enhance-content h2 {
  margin: 0 0 18px;
  color: var(--text-primary);
  font-size: 1.75rem;
  line-height: 1.35;
}

.qa-enhance-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.qa-enhance-grid article {
  padding: 18px;
  border: 1px solid rgba(221, 203, 171, 0.62);
  border-radius: 16px;
  background: rgba(255, 252, 246, 0.76);
}

.qa-enhance-grid h3 {
  margin: 0 0 8px;
  color: var(--brand-700);
  font-size: 1rem;
}

.qa-enhance-grid p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* 404 页面 */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 20px;
}

.error-code {
  font-size: 7rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--brand-600), var(--brand-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.error-page h1 {
  font-size: 1.625rem;
  margin-bottom: 14px;
}

.error-page p {
  max-width: 420px;
  margin: 0 auto 28px;
}

/* 荣誉页面 */
.honors-year {
  margin-bottom: 3.5rem;
}

.honors-year h3 {
  padding-bottom: 12px;
  border-bottom: 2px solid var(--brand-color);
  margin-bottom: 24px;
  display: inline-block;
}

.honors-list {
  display: grid;
  gap: 20px;
}

@media (min-width: 768px) {
  .honors-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.honor-card {
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  gap: 18px;
  transition: all var(--transition-base);
}

.honor-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(251, 191, 36, 0.3);
}

.honor-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.15), rgba(15, 42, 39, 0.8));
  color: var(--accent-color);
  border: 2px solid rgba(251, 191, 36, 0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.honor-content h4 {
  margin: 0 0 8px 0;
  font-size: 1.0625rem;
}

.honor-meta {
  font-size: 0.8125rem;
  color: var(--text-light);
  margin-bottom: 10px;
}

.honor-desc {
  font-size: 0.9375rem;
  margin: 0;
  color: var(--text-secondary);
}

/* 证书展示墙 */
.honors-showcase-section {
  padding-top: 72px;
}

.section-title-compact {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  margin-bottom: 12px;
  padding: 6px 14px;
  border-radius: 999px;
  color: #8a5d09;
  background: rgba(245, 183, 93, 0.14);
  border: 1px solid rgba(245, 183, 93, 0.32);
  font-size: 0.84rem;
  font-weight: 800;
}

.certificate-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 28px;
  align-items: stretch;
  min-width: 0;
  max-width: 100%;
  margin: 36px 0 34px;
  padding: 34px;
  border: 1px solid rgba(221, 203, 171, 0.72);
  border-radius: 18px;
  background:
    radial-gradient(circle at 90% 18%, rgba(245, 183, 93, 0.16), transparent 32%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(255, 249, 236, 0.9));
  box-shadow: 0 24px 70px rgba(117, 90, 47, 0.12);
  overflow: hidden;
}

.certificate-feature-copy {
  min-width: 0;
}

.certificate-feature-copy h3 {
  margin: 0 0 14px;
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  color: var(--text-primary);
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.certificate-feature-copy p {
  max-width: 720px;
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.9;
  overflow-wrap: anywhere;
}

.certificate-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.certificate-stats div {
  min-width: 0;
  padding: 16px;
  border: 1px solid rgba(221, 203, 171, 0.62);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
}

.certificate-stats strong,
.certificate-stats span {
  display: block;
}

.certificate-stats strong {
  color: var(--brand-700);
  font-size: 1.2rem;
  line-height: 1.2;
}

.certificate-stats span {
  margin-top: 6px;
  color: var(--text-light);
  font-size: 0.84rem;
}

.certificate-feature-panel {
  position: relative;
  min-height: 220px;
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(20, 184, 166, 0.11), rgba(245, 183, 93, 0.13)),
    rgba(255, 252, 246, 0.78);
  border: 1px solid rgba(221, 203, 171, 0.62);
  overflow: hidden;
}

.certificate-stack {
  position: absolute;
  width: 132px;
  height: 186px;
  border-radius: 12px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 248, 234, 0.95));
  border: 2px solid rgba(245, 183, 93, 0.44);
  box-shadow: 0 18px 38px rgba(117, 90, 47, 0.16);
}

.certificate-stack::before,
.certificate-stack::after {
  content: '';
  position: absolute;
  left: 18px;
  right: 18px;
  border-radius: 999px;
  background: rgba(138, 93, 9, 0.18);
}

.certificate-stack::before {
  top: 54px;
  height: 10px;
}

.certificate-stack::after {
  top: 82px;
  height: 7px;
  box-shadow: 0 22px 0 rgba(138, 93, 9, 0.12), 0 44px 0 rgba(138, 93, 9, 0.1);
}

.certificate-stack-a {
  left: 12%;
  top: 24px;
  transform: rotate(-8deg);
}

.certificate-stack-b {
  left: 38%;
  top: 16px;
  transform: rotate(4deg);
  border-color: rgba(20, 184, 166, 0.42);
}

.certificate-stack-c {
  right: 10%;
  top: 42px;
  transform: rotate(12deg);
}

.certificate-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  align-items: stretch;
}

.honor-data-note {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 24px;
  margin: 32px 0 34px;
  padding: 26px;
  border: 1px solid rgba(221, 203, 171, 0.72);
  border-radius: 20px;
  background:
    radial-gradient(circle at 92% 18%, rgba(245, 183, 93, 0.12), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 250, 240, 0.9));
  box-shadow: 0 18px 44px rgba(117, 90, 47, 0.09);
}

.honor-data-note h3 {
  margin: 0 0 12px;
  color: var(--text-primary);
  font-size: 1.35rem;
}

.honor-data-note p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.75;
}

.honor-data-note ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.honor-data-note li {
  padding: 12px 14px;
  border: 1px solid rgba(221, 203, 171, 0.62);
  border-radius: 14px;
  background: rgba(255, 252, 246, 0.78);
  color: var(--text-secondary);
  line-height: 1.6;
}

.certificate-grid.is-loading {
  display: block;
}

.certificate-loading {
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(221, 203, 171, 0.62);
  border-radius: 18px;
  color: var(--text-secondary);
  background: rgba(255, 252, 246, 0.82);
  box-shadow: 0 20px 54px rgba(117, 90, 47, 0.08);
  font-weight: 800;
}

.certificate-card {
  min-width: 0;
}

.certificate-card-landscape {
  grid-column: auto;
}

.certificate-card-link {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
  padding: 10px;
  border: 1px solid rgba(221, 203, 171, 0.72);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 250, 240, 0.9));
  box-shadow: 0 20px 44px rgba(117, 90, 47, 0.11);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.certificate-card-link:focus-visible {
  outline: 3px solid rgba(20, 184, 166, 0.42);
  outline-offset: 5px;
  border-radius: 18px;
}

.certificate-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  padding: 12px;
  border-radius: 16px;
  background: #fffaf1;
  border: 1px solid rgba(221, 203, 171, 0.62);
  overflow: hidden;
}

.certificate-card-landscape .certificate-frame {
  aspect-ratio: 4 / 5;
}

.certificate-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(135deg, rgba(245, 183, 93, 0.82), rgba(20, 184, 166, 0.48), rgba(240, 91, 76, 0.42));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.78;
}

.certificate-frame img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  border-radius: 10px;
  background: #fff;
}

.certificate-ribbon {
  position: absolute;
  top: 12px;
  left: -42px;
  z-index: 3;
  width: 150px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(-42deg);
  background: linear-gradient(90deg, #f05b4c, #f5b75d);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  box-shadow: 0 7px 16px rgba(240, 91, 76, 0.22);
}

.certificate-card-link:hover .certificate-frame {
  border-color: rgba(20, 184, 166, 0.32);
}

.certificate-card-link:hover {
  transform: translateY(-5px);
  border-color: rgba(20, 184, 166, 0.36);
  box-shadow:
    0 28px 58px rgba(117, 90, 47, 0.16),
    0 0 24px rgba(245, 183, 93, 0.14);
}

.certificate-info {
  display: flex;
  min-height: 220px;
  flex: 1;
  flex-direction: column;
  justify-content: flex-start;
  padding: 14px 2px 2px;
}

.certificate-tag {
  display: inline-flex;
  margin-bottom: 9px;
  padding: 5px 10px;
  border-radius: 999px;
  color: var(--brand-700);
  background: rgba(20, 184, 166, 0.1);
  font-size: 0.78rem;
  font-weight: 800;
}

.certificate-info h3 {
  margin: 0 0 6px;
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.certificate-info p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.certificate-summary {
  margin-bottom: 12px !important;
}

.certificate-meta-list {
  gap: 7px;
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(221, 203, 171, 0.5);
}

.certificate-meta-list div {
  grid-template-columns: 5.8em minmax(0, 1fr);
  gap: 8px;
}

.certificate-meta-list dt,
.certificate-meta-list dd {
  font-size: 0.78rem;
  line-height: 1.45;
}

.privacy-note {
  margin-top: 28px;
  padding: 16px 18px;
  border-radius: 14px;
  color: #7a5a1b;
  background: rgba(255, 248, 229, 0.9);
  border: 1px solid rgba(245, 183, 93, 0.36);
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .qa-enhance-panel,
  .honor-data-note {
    grid-template-columns: 1fr;
  }

  .qa-enhance-media img {
    min-height: 260px;
  }

  .certificate-feature {
    grid-template-columns: 1fr;
  }

  .certificate-feature-panel {
    display: none;
  }

  .certificate-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .certificate-card-landscape {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  .qa-enhance-panel {
    padding: 18px;
    margin: 26px 0 34px;
  }

  .qa-enhance-content h2 {
    font-size: 1.35rem;
  }

  .qa-enhance-grid {
    grid-template-columns: 1fr;
  }

  .qa-enhance-media img {
    min-height: 210px;
  }

  .honor-data-note {
    padding: 20px;
  }

  .honors-showcase-section {
    padding-top: 48px;
  }

  .certificate-feature {
    padding: 24px 18px;
    margin-top: 28px;
  }

  .page-header h1,
  .page-header p,
  .section-title h2,
  .section-title p,
  .certificate-feature-copy h3,
  .certificate-feature-copy p {
    overflow-wrap: anywhere;
  }

  .certificate-feature-copy h3 {
    font-size: 1.38rem;
    line-height: 1.42;
  }

  .page-header p,
  .section-title p {
    font-size: 0.96rem;
    line-height: 1.8;
  }

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

  .certificate-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .certificate-card-landscape {
    grid-column: auto;
  }

  .certificate-card-landscape .certificate-frame,
  .certificate-frame {
    max-width: none;
    margin: 0;
  }

  .certificate-info {
    min-height: 126px;
    max-width: none;
    margin: 0;
  }

  .certificate-info h3 {
    font-size: 0.92rem;
  }

  .certificate-info p {
    font-size: 0.82rem;
  }
}

@media (max-width: 900px) {
  .cases-text-grid,
  .honors-text-index,
  .case-evidence-grid {
    grid-template-columns: 1fr;
  }
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 64px 20px;
  color: var(--text-light);
}

.empty-state p {
  margin-bottom: 16px;
}

.showcase-empty-state {
  max-width: 760px;
  margin: 0 auto;
  padding: 44px;
  border: 1px solid rgba(221, 203, 171, 0.62);
  border-radius: 20px;
  background:
    radial-gradient(circle at 88% 14%, rgba(20, 184, 166, 0.12), transparent 32%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 252, 246, 0.92));
  box-shadow: 0 20px 54px rgba(117, 90, 47, 0.1);
  color: var(--text-secondary);
}

.empty-kicker {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 7px 13px;
  border-radius: 999px;
  color: var(--brand-700);
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.18);
  font-size: 0.86rem;
  font-weight: 800;
}

.showcase-empty-state h2 {
  margin: 0 0 14px;
  color: var(--text-primary);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  line-height: 1.2;
}

.showcase-empty-state p {
  max-width: 620px;
  margin: 0 auto 22px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.empty-points,
.empty-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.empty-points {
  margin-bottom: 24px;
}

.empty-points span {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--text-secondary);
  background: rgba(255, 250, 241, 0.86);
  border: 1px solid rgba(221, 203, 171, 0.52);
  font-size: 0.9rem;
  font-weight: 700;
}

.featured-work-card {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  gap: 28px;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 30px;
  border: 1px solid rgba(221, 203, 171, 0.62);
  border-radius: 20px;
  background:
    radial-gradient(circle at 90% 12%, rgba(20, 184, 166, 0.13), transparent 32%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 252, 246, 0.92));
  box-shadow: 0 22px 58px rgba(117, 90, 47, 0.11);
}

.work-preview-panel {
  position: relative;
  overflow: hidden;
  min-height: 310px;
  padding: 18px;
  border-radius: 18px;
  background:
    radial-gradient(circle at 50% 12%, rgba(168, 85, 247, 0.35), transparent 34%),
    linear-gradient(145deg, #101728, #111827 52%, #0f172a);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 18px 44px rgba(15, 23, 42, 0.18);
}

.preview-topbar {
  display: flex;
  gap: 7px;
  margin-bottom: 22px;
}

.preview-topbar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
}

.preview-hero {
  display: grid;
  gap: 10px;
  padding: 28px 18px 26px;
  text-align: center;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid rgba(255,255,255,0.1);
}

.preview-hero small {
  color: #bfdbfe;
  font-weight: 800;
}

.preview-hero strong {
  color: #ffffff;
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  line-height: 1.15;
}

.preview-hero em {
  color: rgba(226, 232, 240, 0.8);
  font-style: normal;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.preview-grid span,
.preview-list i {
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.preview-grid span {
  padding: 12px 8px;
  color: rgba(226, 232, 240, 0.86);
  font-size: 0.82rem;
  font-weight: 800;
  text-align: center;
}

.preview-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.preview-list i {
  display: block;
  height: 12px;
}

.featured-work-content h2,
.work-detail-hero h2 {
  margin: 0 0 14px;
  color: var(--text-primary);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.18;
}

.featured-work-content p,
.work-detail-hero p {
  color: var(--text-secondary);
  line-height: 1.8;
}

.showcase-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1100px;
  margin: 26px auto 0;
  padding: 24px 28px;
  border-radius: 16px;
  background: rgba(255, 250, 241, 0.72);
  border: 1px solid rgba(221, 203, 171, 0.52);
}

.showcase-note h2 {
  margin: 0 0 8px;
  color: var(--text-primary);
  font-size: 1.35rem;
}

.showcase-note p {
  margin: 0;
  color: var(--text-secondary);
}

.showcase-note .empty-points {
  margin: 0;
  justify-content: flex-end;
}

.work-detail-hero {
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(0, 1.05fr);
  gap: 34px;
  align-items: center;
  padding: 34px;
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.96), rgba(255,252,246,0.92));
  border: 1px solid rgba(221, 203, 171, 0.62);
  box-shadow: 0 22px 58px rgba(117, 90, 47, 0.11);
}

.work-preview-panel-large {
  min-height: 380px;
}

.work-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.work-detail-card {
  padding: 26px;
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 252, 246, 0.92));
  border: 1px solid rgba(221, 203, 171, 0.62);
  box-shadow: 0 14px 34px rgba(117, 90, 47, 0.08);
}

.work-detail-card span {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--brand-700);
  background: rgba(20, 184, 166, 0.1);
  font-weight: 900;
}

.work-detail-card h2 {
  margin: 0 0 12px;
  color: var(--text-primary);
  font-size: 1.35rem;
}

.work-detail-card p,
.work-detail-card li {
  color: var(--text-secondary);
}

.work-boundary-note {
  margin-top: 28px;
}

@media (max-width: 900px) {
  .featured-work-card,
  .work-detail-hero,
  .work-detail-grid {
    grid-template-columns: 1fr;
  }

  .showcase-note {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 767px) {
  .featured-work-card,
  .work-detail-hero {
    padding: 18px;
    border-radius: 14px;
  }

  .work-preview-panel {
    min-height: 260px;
  }

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

/* 学生作品导入展示 */
.works-import-summary {
  max-width: 1120px;
  margin: 0 auto 28px;
  padding: 30px 34px;
  border: 1px solid rgba(221, 203, 171, 0.64);
  border-radius: 20px;
  background:
    radial-gradient(circle at 88% 18%, rgba(20, 184, 166, 0.12), transparent 30%),
    radial-gradient(circle at 12% 82%, rgba(245, 183, 93, 0.16), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 252, 246, 0.9));
  box-shadow: 0 20px 54px rgba(117, 90, 47, 0.1);
}

.works-import-summary h2 {
  margin: 0 0 12px;
  color: var(--text-primary);
  font-size: clamp(1.8rem, 3vw, 2.45rem);
  line-height: 1.18;
}

.works-import-summary p {
  max-width: 780px;
  margin: 0 0 20px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.works-import-summary .empty-points {
  justify-content: flex-start;
  margin-bottom: 0;
}

.student-works-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  align-items: start;
}

.student-work-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
  border: 1px solid rgba(221, 203, 171, 0.62);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 252, 246, 0.93));
  box-shadow: 0 18px 44px rgba(117, 90, 47, 0.09);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.student-work-card:hover {
  transform: translateY(-5px);
  border-color: rgba(20, 184, 166, 0.34);
  box-shadow: 0 26px 58px rgba(117, 90, 47, 0.15);
}

.student-work-link {
  display: flex;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
}

.student-work-thumb {
  position: relative;
  display: grid;
  align-content: end;
  aspect-ratio: 16 / 9;
  min-height: 0;
  padding: 20px;
  overflow: hidden;
  color: #ffffff;
  background:
    radial-gradient(circle at 84% 18%, rgba(255, 255, 255, 0.34), transparent 24%),
    linear-gradient(135deg, #0f766e, #14b8a6 55%, #f5b75d);
}

.student-work-thumb.has-thumbnail {
  align-content: start;
  aspect-ratio: 16 / 9;
  min-height: 0;
  padding: 14px;
  background: #172033;
}

.student-work-thumb.has-thumbnail img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform var(--transition-slow), filter var(--transition-base);
}

.student-work-card:hover .student-work-thumb.has-thumbnail img {
  filter: saturate(1.05) contrast(1.02);
  transform: scale(1.035);
}

.student-work-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(255,255,255,0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.18) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(135deg, transparent 0%, #000 34%, #000 100%);
}

.student-work-thumb.has-thumbnail::before {
  z-index: 1;
  opacity: 1;
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.18), transparent 34%, transparent 76%, rgba(15, 23, 42, 0.16));
  mask-image: none;
}

.student-work-thumb::after {
  content: '';
  position: absolute;
  right: -44px;
  bottom: -46px;
  width: 150px;
  height: 150px;
  border: 28px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
}

.student-work-thumb.has-thumbnail::after {
  display: none;
}

.student-work-thumb.is-zip {
  background:
    radial-gradient(circle at 84% 18%, rgba(255, 255, 255, 0.36), transparent 24%),
    linear-gradient(135deg, #f05b4c, #f5b75d 58%, #14b8a6);
}

.student-work-thumb span,
.student-work-thumb strong,
.student-work-thumb small {
  position: relative;
  z-index: 1;
}

.student-work-thumb span {
  justify-self: start;
  margin-bottom: 42px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.34);
  font-size: 0.82rem;
  font-weight: 900;
  backdrop-filter: blur(10px);
}

.student-work-thumb.has-thumbnail span {
  margin-bottom: 0;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.78);
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.16);
}

.student-work-thumb strong {
  display: -webkit-box;
  overflow: hidden;
  color: #ffffff;
  font-size: 1.45rem;
  line-height: 1.2;
  text-shadow: 0 2px 14px rgba(15, 23, 42, 0.26);
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.student-work-thumb small {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.92rem;
  font-weight: 800;
}

.student-work-thumb.has-thumbnail strong,
.student-work-thumb.has-thumbnail small {
  display: none;
}

.student-work-body {
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px 16px;
}

.student-work-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.student-work-meta span {
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--text-secondary);
  background: rgba(255, 246, 226, 0.86);
  border: 1px solid rgba(221, 203, 171, 0.58);
  font-size: 0.78rem;
  font-weight: 800;
}

.student-work-body h2 {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--text-primary);
  font-size: 1.08rem;
  line-height: 1.32;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.student-work-body p {
  display: none;
  margin: 0;
  overflow: hidden;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.student-work-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 2px;
  padding-top: 4px;
}

.student-work-footer > span {
  min-width: 0;
  color: var(--text-light);
  font-size: 0.84rem;
  font-weight: 800;
}

.student-work-footer .btn {
  flex-shrink: 0;
  height: 36px;
  padding: 0 14px;
  color: #ffffff;
  border: none;
  background: linear-gradient(135deg, var(--brand-600), var(--brand-500));
  box-shadow: 0 10px 22px rgba(20, 184, 166, 0.22);
}

.student-work-link:focus-visible {
  outline: 3px solid rgba(20, 184, 166, 0.52);
  outline-offset: 4px;
}

@media (max-width: 1100px) {
  .student-works-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .works-import-summary {
    width: calc(100vw - 32px);
    max-width: calc(100vw - 32px);
    padding: 22px;
    border-radius: 16px;
    overflow: hidden;
  }

  .works-import-summary h2 {
    font-size: 1.55rem;
    overflow-wrap: anywhere;
    word-break: break-all;
    white-space: normal;
  }

  .works-import-summary .empty-points {
    display: grid;
    grid-template-columns: 1fr;
  }

  .works-import-summary p {
    overflow-wrap: anywhere;
    word-break: break-all;
    white-space: normal;
  }

  .works-import-summary .empty-points span {
    width: 100%;
    white-space: normal;
  }

  .student-works-grid + .empty-state,
  .filter-bar {
    margin-left: -16px;
    margin-right: -16px;
  }

  .filter-bar {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    padding: 0 16px 10px;
    scrollbar-width: none;
  }

  .filter-bar::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    flex: 0 0 auto;
  }

  .student-works-grid {
    grid-template-columns: 1fr;
  }

  .student-work-card {
    width: calc(100vw - 32px);
    max-width: 100%;
  }

  .student-work-thumb {
    aspect-ratio: 16 / 9;
    min-height: 0;
  }

  .student-work-thumb.has-thumbnail {
    aspect-ratio: 16 / 9;
    min-height: 0;
  }

  .student-work-body {
    padding: 12px 14px 14px;
  }

  .student-work-footer {
    align-items: center;
    flex-direction: row;
  }

  .student-work-footer .btn {
    width: auto;
  }
}

/* 工具类 */
.text-center { text-align: center; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.hidden { display: none !important; }

/* body padding for mobile floating bar */
@media (max-width: 767px) {
  body {
    padding-bottom: 72px;
  }
}

/* 内容默认可见，避免脚本异常或自动浏览时出现大面积空白。 */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
}

/* 运行优化补丁：聚焦首页首屏、移动端可读性和卡片稳定性 */
:root {
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 12px 28px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 18px 44px rgba(15, 23, 42, 0.12);
  --shadow-xl: 0 24px 56px rgba(15, 23, 42, 0.14);
  --shadow-2xl: 0 32px 72px rgba(15, 23, 42, 0.18);
  --shadow-brand: 0 14px 32px rgba(13, 148, 136, 0.22);
  --shadow-cta: 0 14px 32px rgba(225, 29, 72, 0.24);
}

.site-header {
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04);
}

.logo {
  min-width: 0;
}

.logo span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-desktop {
  gap: 4px;
}

.nav-desktop .nav-link {
  white-space: nowrap;
}

.btn {
  min-width: max-content;
  line-height: 1.2;
}

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

.home-hero-national {
  min-height: min(700px, calc(100dvh - var(--header-height)));
}

.home-hero-national::before {
  opacity: 0.12;
  filter: grayscale(72%) blur(1.8px);
}

.home-hero-copy {
  width: min(820px, 100%);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(23, 32, 51, 0.08);
  box-shadow: 0 20px 70px rgba(23, 32, 51, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.home-hero-copy .hero-desc {
  max-width: 620px;
}

.home-hero-copy .hero-buttons {
  gap: 12px;
}

.home-hero-index {
  box-shadow: 0 14px 34px rgba(23, 32, 51, 0.1);
}

.service-card,
.case-card,
.faq-item,
.path-item,
.work-item,
.article-content,
.contact-grid > div,
.checklist-box,
.disclaimer-box,
.qa-checklist {
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.05);
}

.service-card {
  min-height: 100%;
}

.service-card:hover {
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.12);
  transform: translateY(-4px);
}

.section-title {
  max-width: 780px;
}

.section-title p,
.qa-inline p,
.content-status p {
  color: var(--text-secondary);
}

.qa-checklist li {
  margin-bottom: 8px;
}

.contact-actions {
  align-items: center;
}

@media (min-width: 768px) and (max-width: 1100px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 20px;
    align-items: start;
  }

  .service-card h3,
  .service-card p,
  .service-card .service-meta,
  .service-card .service-link {
    grid-column: 2;
  }

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

  .path-item {
    border-right: 1px solid var(--border-light);
  }
}

@media (max-width: 1023px) {
  .site-header .container {
    gap: 16px;
  }

  .logo span:last-child {
    max-width: calc(100vw - 132px);
  }
}

@media (max-width: 767px) {
  :root {
    --header-height: 64px;
  }

  html,
  body {
    overflow-x: hidden;
  }

  body {
    padding-bottom: 88px;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .section {
    padding: 56px 0;
  }

  .home h1,
  .home-hero-copy h1 {
    font-size: clamp(2rem, 11vw, 2.75rem);
    line-height: 1.12;
  }

  .home-hero-national {
    min-height: auto;
    padding: 28px 0 18px;
  }

  .home-hero-national .container {
    gap: 24px;
    justify-content: center;
  }

  .home-hero-copy {
    padding: 22px 18px;
    text-align: left;
  }

  .home-hero-eyebrow {
    font-size: 0.8125rem;
  }

  .home-hero-copy .hero-desc {
    margin-left: 0;
    margin-right: 0;
    font-size: 0.95rem;
    line-height: 1.7;
  }

  .home-hero-copy .hero-buttons,
  .hero-buttons,
  .contact-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .home-hero-copy .hero-buttons .btn,
  .hero-buttons .btn,
  .contact-actions .btn,
  .contact-actions button {
    width: 100%;
  }

  .btn-lg {
    height: 50px;
    padding: 0 20px;
    font-size: 1rem;
  }

  .home-hero-index {
    margin-top: 0;
  }

  .qa-inline,
  .content-status,
  .service-card,
  .contact-grid > div {
    padding: 24px 20px;
  }

  .service-card:hover {
    transform: none;
  }

  .path-timeline {
    gap: 14px;
  }

  .path-item {
    border-right: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
  }

  .floating-contact-mobile {
    left: 0;
    right: auto;
    width: 100vw;
    max-width: 100vw;
    gap: 8px;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  }

  .floating-contact-mobile .btn {
    flex: 0 0 calc((100vw - 32px) / 2) !important;
    width: calc((100vw - 32px) / 2);
    min-width: 0 !important;
    max-width: none;
    padding: 0 6px;
    font-size: 0.9rem;
  }

  .floating-contact-mobile .btn:last-child {
    justify-content: flex-start;
    padding-left: 28px;
  }
}

/* 按截图反馈微调：取消首页背景图，并将首屏主内容整体下移 */
.home-hero-national {
  background: linear-gradient(180deg, #f8fbfb 0%, #eef8f6 100%);
}

.home-hero-national::before {
  display: none;
  background: none;
}

.home-hero-national .container {
  padding-top: 76px;
}

.home-hero-copy {
  margin-top: 18px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

@media (max-width: 767px) {
  .home-hero-national {
    background: #f8fbfb;
  }

  .home-hero-national .container {
    padding-top: 28px;
  }

  .home-hero-copy {
    margin-top: 10px;
  }
}

/* 修复课程第二张卡片悬停时图标对比度不足的问题 */
.service-card:nth-child(2):hover .service-icon {
  background: linear-gradient(135deg, #7c3aed, #5b21b6);
  border-color: #7c3aed;
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(91, 33, 182, 0.28);
}

.service-card:nth-child(2):hover .service-icon svg {
  color: #ffffff;
  stroke: currentColor;
  opacity: 1;
  filter: none;
}

/* 按截图反馈微调：首屏主卡片继续下移并放大 */
.home-hero-national .container {
  padding-top: 118px;
}

.home-hero-copy {
  width: min(980px, 100%);
  margin-top: 34px;
  padding: 34px 54px 36px;
}

.home-hero-eyebrow {
  font-size: 0.95rem;
}

.home-hero-copy h1 {
  font-size: clamp(3rem, 4.4vw, 4.35rem);
  margin: 14px 0 14px;
}

.home-hero-copy .hero-desc {
  max-width: 760px;
  font-size: 1.08rem;
  line-height: 1.75;
  margin-bottom: 24px;
}

.home-hero-copy .hero-buttons {
  gap: 16px;
}

.home-hero-copy .btn-lg {
  height: 66px;
  padding: 0 44px;
  font-size: 1.16rem;
}

@media (max-width: 767px) {
  .home-hero-national .container {
    padding-top: 48px;
  }

  .home-hero-copy {
    width: 100%;
    margin-top: 14px;
    padding: 28px 20px 30px;
  }

  .home-hero-copy h1 {
    font-size: clamp(2.25rem, 11vw, 3rem);
  }

  .home-hero-copy .hero-desc {
    font-size: 1rem;
    line-height: 1.7;
  }

  .home-hero-copy .btn-lg {
    height: 54px;
    padding: 0 22px;
    font-size: 1.04rem;
  }
}

/* 米黄色动态首屏背景：轻波纹与慢漂移，不干扰主标题阅读 */
.home-hero-national {
  isolation: isolate;
  background:
    linear-gradient(rgba(255, 252, 245, 0.34), rgba(255, 252, 245, 0.34)),
    url('/assets/images/hero-warm-ai-bg.png') center center / 108% auto no-repeat,
    linear-gradient(180deg, #fffaf1 0%, #f7efdf 100%);
}

.home-hero-national::before {
  display: block;
  z-index: 0;
  background: url('/assets/images/hero-warm-ai-bg.png') center center / 112% auto no-repeat;
  opacity: 0.42;
  filter: saturate(0.98) contrast(1.02);
  transform: scale(1.02);
  animation: hero-bg-drift 18s ease-in-out infinite alternate;
}

.home-hero-national::after {
  content: '';
  position: absolute;
  inset: -12% -8%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 22% 72%, rgba(255, 184, 122, 0.16), transparent 34%),
    radial-gradient(circle at 78% 28%, rgba(13, 148, 136, 0.08), transparent 30%),
    linear-gradient(110deg, transparent 18%, rgba(255, 255, 255, 0.42) 44%, transparent 68%);
  mix-blend-mode: soft-light;
  opacity: 0.72;
  animation: hero-warm-wave 14s ease-in-out infinite alternate;
}

.home-hero-national .container {
  position: relative;
  z-index: 2;
}

.hero-ballpit {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: auto;
  opacity: 0.7;
}

.hero-orb-field {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(235, 175, 82, 0.42);
  box-shadow: 0 0 12px rgba(235, 175, 82, 0.18);
  animation: hero-orb-drift 8s ease-in-out infinite alternate;
}

.hero-orb:nth-child(1) { left: 7%; top: 56%; width: 15px; height: 15px; animation-duration: 8.5s; }
.hero-orb:nth-child(2) { left: 14%; top: 68%; width: 9px; height: 9px; animation-duration: 7.4s; animation-delay: -1.8s; }
.hero-orb:nth-child(3) { left: 23%; top: 76%; width: 12px; height: 12px; background: rgba(255, 129, 101, 0.38); animation-duration: 9.2s; animation-delay: -3s; }
.hero-orb:nth-child(4) { left: 31%; top: 61%; width: 8px; height: 8px; background: rgba(74, 180, 158, 0.34); animation-duration: 6.8s; animation-delay: -2.2s; }
.hero-orb:nth-child(5) { left: 42%; top: 79%; width: 10px; height: 10px; animation-duration: 10s; animation-delay: -4.2s; }
.hero-orb:nth-child(6) { left: 58%; top: 72%; width: 9px; height: 9px; background: rgba(255, 129, 101, 0.34); animation-duration: 7.8s; animation-delay: -1s; }
.hero-orb:nth-child(7) { left: 69%; top: 62%; width: 14px; height: 14px; animation-duration: 9s; animation-delay: -2.6s; }
.hero-orb:nth-child(8) { left: 78%; top: 51%; width: 12px; height: 12px; background: rgba(255, 129, 101, 0.36); animation-duration: 8.2s; animation-delay: -3.4s; }
.hero-orb:nth-child(9) { left: 87%; top: 42%; width: 10px; height: 10px; background: rgba(74, 180, 158, 0.3); animation-duration: 6.9s; animation-delay: -2.8s; }
.hero-orb:nth-child(10) { left: 94%; top: 66%; width: 16px; height: 16px; background: rgba(255, 129, 101, 0.36); animation-duration: 10.6s; animation-delay: -4.8s; }
.hero-orb:nth-child(11) { left: 12%; top: 28%; width: 8px; height: 8px; animation-duration: 7.2s; animation-delay: -1.6s; }
.hero-orb:nth-child(12) { left: 88%; top: 20%; width: 12px; height: 12px; animation-duration: 9.6s; animation-delay: -3.8s; }
.hero-orb:nth-child(13) { left: 4%; top: 80%; width: 10px; height: 10px; background: rgba(74, 180, 158, 0.32); animation-duration: 8.8s; animation-delay: -5s; }
.hero-orb:nth-child(14) { left: 84%; top: 78%; width: 8px; height: 8px; animation-duration: 7.6s; animation-delay: -2.4s; }

@keyframes hero-orb-drift {
  0% {
    transform: translate3d(-18px, 16px, 0) scale(0.86);
    opacity: 0.38;
  }
  45% {
    opacity: 0.88;
  }
  100% {
    transform: translate3d(30px, -28px, 0) scale(1.18);
    opacity: 0.68;
  }
}

@keyframes hero-bg-drift {
  0% {
    background-position: 50% 50%;
    transform: scale(1.02) translate3d(-8px, 0, 0);
  }
  100% {
    background-position: 52% 48%;
    transform: scale(1.045) translate3d(10px, -8px, 0);
  }
}

@keyframes hero-warm-wave {
  0% {
    transform: translate3d(-18px, 10px, 0) scale(1);
    opacity: 0.58;
  }
  100% {
    transform: translate3d(20px, -12px, 0) scale(1.035);
    opacity: 0.82;
  }
}

@media (prefers-reduced-motion: reduce) {
  .home-hero-national::before,
  .home-hero-national::after {
    animation: none !important;
  }
}

@media (max-width: 767px) {
  .home-hero-national {
    background:
      linear-gradient(rgba(255, 252, 245, 0.42), rgba(255, 252, 245, 0.42)),
      url('/assets/images/hero-warm-ai-bg.png') center top / auto 100% no-repeat,
      #fffaf1;
  }

  .home-hero-national::before {
    background-size: auto 100%;
    opacity: 0.32;
  }

  .hero-ballpit {
    opacity: 0.48;
  }

  .hero-orb {
    opacity: 0.5;
  }
}

/* 远处粒子网络：圆点和关联线轻微漂浮，背景图保持不变 */
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-particle-map {
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0.54;
}

.particle-net {
  transform-origin: center;
}

.particle-net path {
  fill: none;
  stroke: rgba(192, 146, 78, 0.2);
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
}

.particle-net circle,
.particle-dust circle {
  fill: rgba(229, 181, 106, 0.58);
  filter: drop-shadow(0 0 8px rgba(255, 213, 145, 0.35));
  transform-box: fill-box;
  transform-origin: center;
  animation: particle-dot-pulse 4.8s ease-in-out infinite alternate;
}

.particle-net circle.teal,
.particle-dust circle.teal {
  fill: rgba(71, 180, 157, 0.5);
}

.particle-net circle.coral,
.particle-dust circle.coral {
  fill: rgba(255, 122, 103, 0.58);
}

.particle-net circle.warm {
  fill: rgba(231, 176, 86, 0.52);
}

.particle-net-left {
  animation: particle-net-float-left 7.5s ease-in-out infinite alternate;
}

.particle-net-right {
  animation: particle-net-float-right 8.5s ease-in-out infinite alternate;
}

.particle-dust {
  animation: particle-dust-float 6.5s ease-in-out infinite alternate;
}

.particle-net circle:nth-of-type(2n),
.particle-dust circle:nth-child(2n) {
  animation-duration: 5.8s;
  animation-delay: -1.6s;
}

.particle-net circle:nth-of-type(3n),
.particle-dust circle:nth-child(3n) {
  animation-duration: 4.2s;
  animation-delay: -2.4s;
}

@keyframes particle-net-float-left {
  0% {
    transform: translate3d(-26px, 22px, 0) scale(0.94);
    opacity: 0.72;
  }
  100% {
    transform: translate3d(34px, -24px, 0) scale(1.04);
    opacity: 0.95;
  }
}

@keyframes particle-net-float-right {
  0% {
    transform: translate3d(28px, -20px, 0) scale(0.96);
    opacity: 0.68;
  }
  100% {
    transform: translate3d(-36px, 26px, 0) scale(1.06);
    opacity: 0.92;
  }
}

@keyframes particle-dust-float {
  0% {
    transform: translate3d(-8px, 18px, 0);
    opacity: 0.46;
  }
  100% {
    transform: translate3d(28px, -24px, 0);
    opacity: 0.9;
  }
}

@keyframes particle-dot-pulse {
  0% {
    transform: translateY(0) scale(0.86);
    opacity: 0.46;
  }
  55% {
    opacity: 0.9;
  }
  100% {
    transform: translateY(-12px) scale(1.18);
    opacity: 0.78;
  }
}

@media (prefers-reduced-motion: reduce) {
  .particle-net-left,
  .particle-net-right,
  .particle-dust,
  .particle-net circle,
  .particle-dust circle {
    animation: none !important;
  }
}

@media (max-width: 767px) {
  .hero-particle-map {
    opacity: 0.34;
  }

  .particle-net-right {
    display: none;
  }
}

/* 首屏课程方向索引强化：提升红框区域的识别度 */
.home-hero-index {
  gap: 8px;
  padding: 11px 12px;
  min-height: 66px;
  background: linear-gradient(180deg, rgba(28, 38, 52, 0.96), rgba(14, 24, 38, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 10px;
  box-shadow:
    0 22px 52px rgba(15, 23, 42, 0.28),
    0 0 0 6px rgba(255, 255, 255, 0.36);
  backdrop-filter: blur(14px);
}

.home-hero-index strong,
.home-hero-index span {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  white-space: nowrap;
  font-size: 0.92rem;
  line-height: 1;
}

.home-hero-index strong {
  padding: 0 18px;
  color: #ffffff;
  background: linear-gradient(135deg, #f05b4c, #ff7f6f);
  box-shadow: 0 10px 22px rgba(240, 91, 76, 0.28);
}

.home-hero-index span {
  padding: 0 17px;
  color: rgba(255, 255, 255, 0.94);
  border-left: 0;
  background: rgba(255, 255, 255, 0.08);
}

.home-hero-index span:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.14);
}

@media (max-width: 767px) {
  .home-hero-index {
    min-height: auto;
    gap: 8px;
    padding: 10px;
    border-radius: 10px;
  }

  .home-hero-index strong,
  .home-hero-index span {
    min-height: 36px;
    padding: 0 12px;
    font-size: 0.82rem;
  }
}

/* 首页课程体系卡片优化：更像清晰的课程路径，而不是普通信息卡 */
.services-grid {
  gap: 28px;
}

.service-card {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  padding: 30px 28px 26px;
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 252, 246, 0.94)),
    radial-gradient(circle at 18% 0%, rgba(20, 184, 166, 0.12), transparent 36%);
  border: 1px solid rgba(208, 219, 230, 0.9);
  box-shadow: 0 16px 38px rgba(15, 23, 42, 0.07);
}

.service-card:nth-child(2) {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(252, 249, 255, 0.94)),
    radial-gradient(circle at 18% 0%, rgba(139, 92, 246, 0.12), transparent 36%);
}

.service-card:nth-child(3) {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 249, 247, 0.94)),
    radial-gradient(circle at 18% 0%, rgba(244, 63, 94, 0.12), transparent 36%);
}

.service-card:hover {
  border-color: rgba(20, 184, 166, 0.36);
  box-shadow: 0 24px 58px rgba(15, 23, 42, 0.13);
  transform: translateY(-6px);
}

.service-card:nth-child(2):hover {
  border-color: rgba(139, 92, 246, 0.36);
}

.service-card:nth-child(3):hover {
  border-color: rgba(244, 63, 94, 0.34);
}

.service-card::before {
  height: 7px;
  opacity: 1;
}

.service-card::after {
  top: 24px;
  right: 24px;
  padding: 8px 12px;
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
  color: rgba(15, 118, 110, 0.78);
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.18);
  border-radius: 999px;
}

.service-card:nth-child(2)::after {
  color: rgba(109, 40, 217, 0.78);
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.18);
}

.service-card:nth-child(3)::after {
  color: rgba(225, 29, 72, 0.78);
  background: rgba(244, 63, 94, 0.1);
  border-color: rgba(244, 63, 94, 0.18);
}

.service-card:hover::after {
  transform: none;
  color: #ffffff;
  background: var(--brand-500);
  border-color: var(--brand-500);
}

.service-card:nth-child(2):hover::after {
  color: #ffffff;
  background: var(--violet-500);
  border-color: var(--violet-500);
}

.service-card:nth-child(3):hover::after {
  color: #ffffff;
  background: var(--cta-500);
  border-color: var(--cta-500);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 24px;
  border-radius: 16px;
  background: linear-gradient(135deg, #ecfeff, #ccfbf1);
  border: 1px solid rgba(20, 184, 166, 0.24);
  color: var(--brand-600);
  box-shadow: 0 12px 28px rgba(20, 184, 166, 0.16);
}

.service-card:nth-child(2) .service-icon {
  background: linear-gradient(135deg, #f5f3ff, #ede9fe);
  border-color: rgba(139, 92, 246, 0.24);
  color: var(--violet-500);
  box-shadow: 0 12px 28px rgba(139, 92, 246, 0.16);
}

.service-card:nth-child(3) .service-icon {
  background: linear-gradient(135deg, #fff1f2, #ffe4e6);
  border-color: rgba(244, 63, 94, 0.22);
  color: var(--cta-500);
  box-shadow: 0 12px 28px rgba(244, 63, 94, 0.14);
}

.service-card:hover .service-icon {
  transform: translateY(-2px) scale(1.04);
}

.service-card h3 {
  margin-bottom: 14px;
  max-width: 86%;
  color: var(--text-primary);
  font-size: 1.34rem;
  line-height: 1.35;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.85;
}

.service-meta {
  margin-top: auto;
  margin-bottom: 22px;
  gap: 10px;
}

.service-meta span {
  padding: 7px 12px;
  border-radius: 8px;
  background: rgba(20, 184, 166, 0.08);
  border: 1px solid rgba(20, 184, 166, 0.16);
  color: #0f766e;
  font-size: 0.8rem;
  font-weight: 700;
}

.service-card:nth-child(2) .service-meta span {
  background: rgba(139, 92, 246, 0.08);
  border-color: rgba(139, 92, 246, 0.16);
  color: #6d28d9;
}

.service-card:nth-child(3) .service-meta span {
  background: rgba(244, 63, 94, 0.08);
  border-color: rgba(244, 63, 94, 0.16);
  color: #be123c;
}

.service-link {
  width: fit-content;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  color: #ffffff;
  background: var(--brand-500);
  box-shadow: 0 10px 22px rgba(20, 184, 166, 0.2);
}

.service-card:nth-child(2) .service-link {
  background: var(--violet-500);
  box-shadow: 0 10px 22px rgba(139, 92, 246, 0.2);
}

.service-card:nth-child(3) .service-link {
  background: var(--cta-500);
  box-shadow: 0 10px 22px rgba(244, 63, 94, 0.18);
}

.service-link::after {
  display: none;
}

.service-link:hover {
  gap: 8px;
  filter: brightness(0.96);
}

@media (min-width: 768px) and (max-width: 1100px) {
  .service-card {
    min-height: auto;
    grid-template-columns: 76px 1fr;
  }

  .service-card h3 {
    max-width: none;
  }
}

@media (max-width: 767px) {
  .service-card {
    min-height: auto;
    padding: 26px 22px 24px;
    border-radius: 12px;
  }

  .service-card h3 {
    max-width: none;
    font-size: 1.2rem;
  }
}

/* 全站风格统一：延续首页暖米色、柔和科技感和清晰教育品牌气质 */
:root {
  --bg-page: #fffaf1;
  --bg-content: rgba(255, 255, 255, 0.94);
  --bg-subtle: #fff4df;
  --bg-hover: #fff0d1;
  --border-color: rgba(221, 203, 171, 0.62);
  --border-light: rgba(236, 222, 196, 0.72);
  --border-strong: rgba(196, 165, 113, 0.64);
  --shadow-sm: 0 8px 22px rgba(117, 90, 47, 0.07);
  --shadow-md: 0 14px 34px rgba(117, 90, 47, 0.09);
  --shadow-lg: 0 22px 52px rgba(117, 90, 47, 0.12);
  --shadow-xl: 0 28px 70px rgba(117, 90, 47, 0.14);
}

body {
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 215, 142, 0.18), transparent 28%),
    radial-gradient(circle at 88% 20%, rgba(20, 184, 166, 0.08), transparent 26%),
    linear-gradient(180deg, #fffaf1 0%, #fff7ea 44%, #f7fbf8 100%);
}

.section {
  position: relative;
}

.section-alt {
  background:
    linear-gradient(180deg, rgba(255, 246, 226, 0.82), rgba(255, 252, 245, 0.92));
}

.breadcrumb {
  background: rgba(255, 250, 241, 0.86);
  border-bottom: 1px solid rgba(221, 203, 171, 0.45);
  backdrop-filter: blur(12px);
}

.page-header {
  background:
    linear-gradient(rgba(255, 252, 245, 0.58), rgba(255, 252, 245, 0.58)),
    url('/assets/images/hero-warm-ai-bg.png') center center / cover no-repeat,
    linear-gradient(180deg, #fffaf1, #fff4df);
  border-bottom: 1px solid rgba(221, 203, 171, 0.52);
}

.page-header::before {
  top: auto;
  right: -8%;
  bottom: -42%;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(255, 184, 122, 0.18) 0%, transparent 68%);
}

.page-header::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 72%, rgba(20, 184, 166, 0.08), transparent 28%),
    linear-gradient(110deg, transparent 18%, rgba(255, 255, 255, 0.34) 48%, transparent 72%);
  opacity: 0.72;
}

.page-header .container,
.page-header h1,
.page-header p {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  color: var(--text-primary);
}

.page-header p {
  color: var(--text-secondary);
}

.section-title::before {
  background: linear-gradient(90deg, #f05b4c, #f5b75d, var(--brand-500));
}

.section-title h2 {
  color: var(--text-primary);
}

.section-title p {
  color: var(--text-secondary);
}

.service-card,
.case-card,
.faq-item,
.path-item,
.work-item,
.article-content,
.contact-grid > div,
.checklist-box,
.disclaimer-box,
.qa-checklist,
.qa-inline,
.content-status,
.honor-card,
.followup-item,
.related-link {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 252, 246, 0.92));
  border-color: rgba(221, 203, 171, 0.62);
  box-shadow: 0 14px 34px rgba(117, 90, 47, 0.08);
  backdrop-filter: blur(10px);
}

.service-card:hover,
.case-card:hover,
.faq-item:hover,
.path-item:hover,
.work-item:hover,
.honor-card:hover,
.related-link:hover {
  border-color: rgba(20, 184, 166, 0.34);
  box-shadow: 0 22px 52px rgba(117, 90, 47, 0.13);
}

.qa-inline::before {
  background: linear-gradient(180deg, #f05b4c, #f5b75d);
}

.content-status h3,
.qa-inline h2,
.qa-inline h3,
.contact-grid h3,
.article-content h2,
.article-content h3 {
  color: var(--text-primary);
}

.filter-btn {
  background: rgba(255, 255, 255, 0.84);
  border-color: rgba(221, 203, 171, 0.7);
  color: var(--text-secondary);
}

.filter-btn:hover {
  background: rgba(255, 246, 226, 0.96);
  border-color: rgba(20, 184, 166, 0.36);
  color: var(--brand-700);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--brand-600), var(--brand-500));
  border-color: var(--brand-500);
  color: #ffffff;
  box-shadow: 0 12px 28px rgba(20, 184, 166, 0.22);
}

.article-meta,
.related-links {
  border-color: rgba(221, 203, 171, 0.62);
}

.qa-meta {
  background: rgba(255, 246, 226, 0.78);
  border-color: rgba(221, 203, 171, 0.62);
}

.disclaimer-box {
  background: rgba(255, 248, 229, 0.92);
  border-color: rgba(245, 183, 93, 0.42);
}

.followup-question {
  color: var(--text-primary);
}

.honors-year h3 {
  border-bottom-color: #f5b75d;
}

.honor-icon {
  background: linear-gradient(135deg, #fff7dc, #fee8ad);
  color: #b77905;
  border-color: rgba(245, 183, 93, 0.36);
}

.contact-id-card,
.wechat-popup-qrcode {
  background: rgba(255, 250, 241, 0.96);
  border-color: rgba(221, 203, 171, 0.62);
}

@media (max-width: 767px) {
  .page-header {
    background-position: center top;
  }
}

/* 修复全站问答提示块：避免装饰问号和清单样式在暖色主题下错位 */
.qa-inline::before {
  content: '';
  top: auto;
  right: 28px;
  bottom: 28px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(245, 183, 93, 0.16), transparent 64%);
  opacity: 0.8;
  font-size: 0;
}

.qa-checklist {
  margin: 24px 0;
  padding: 0;
  list-style: none;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.qa-checklist li {
  min-height: 44px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
  padding: 10px 14px;
  color: var(--text-secondary);
  background: rgba(255, 250, 241, 0.72);
  border: 1px solid rgba(221, 203, 171, 0.54);
  border-radius: 10px;
}

.qa-checklist li::before {
  position: static;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  background: rgba(20, 184, 166, 0.1);
  border: 2px solid rgba(20, 184, 166, 0.58);
}

.qa-checklist li::after {
  left: 22px;
  top: 17px;
  width: 5px;
  height: 9px;
  border-color: var(--brand-600);
}

.content-status {
  border-left: 0;
  border-top: 5px solid var(--brand-500);
  box-shadow: 0 14px 34px rgba(117, 90, 47, 0.08);
}

@media (max-width: 767px) {
  .qa-inline::before {
    display: none;
  }

  .qa-checklist li {
    padding: 10px 12px;
  }
}

/* 修复全站学习路径卡片：去掉穿过卡片的横线，改为独立步骤卡 */
.path-timeline {
  gap: 18px;
}

@media (min-width: 768px) {
  .path-timeline {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

.path-item {
  min-height: 238px;
  padding: 28px 22px 24px;
  border-radius: 14px;
  overflow: visible;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(255, 252, 246, 0.93));
  border: 1px solid rgba(221, 203, 171, 0.62);
  box-shadow: 0 14px 34px rgba(117, 90, 47, 0.08);
}

.path-item:first-child,
.path-item:last-child {
  border-radius: 14px;
}

.path-item::before,
.path-item::after {
  content: none !important;
}

.path-item:hover {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 248, 234, 0.96));
  border-color: rgba(20, 184, 166, 0.34);
  box-shadow: 0 22px 52px rgba(117, 90, 47, 0.13);
  transform: translateY(-5px);
}

.path-step {
  width: 54px;
  height: 54px;
  margin-bottom: 22px;
  border-radius: 15px;
  font-size: 1.06rem;
  box-shadow:
    0 12px 26px rgba(15, 118, 110, 0.18),
    0 0 0 7px rgba(20, 184, 166, 0.08);
}

.path-step::after {
  display: none;
}

.path-item h4 {
  margin-bottom: 12px;
  font-size: 1.08rem;
  line-height: 1.4;
  color: var(--text-primary);
}

.path-item p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.75;
}

@media (min-width: 768px) {
  .path-item:not(:last-child) .path-step::before {
    content: '';
    position: absolute;
    top: 50%;
    left: calc(100% + 15px);
    width: 56px;
    height: 2px;
    transform: translateY(-50%);
    background: linear-gradient(90deg, rgba(20, 184, 166, 0.42), rgba(245, 183, 93, 0.16));
    border-radius: 999px;
    pointer-events: none;
  }
}

@media (max-width: 767px) {
  .path-timeline {
    gap: 14px;
  }

  .path-item {
    min-height: auto;
    padding: 24px 20px;
  }

  .path-step {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
  }
}

/* 课程页家长选择建议：从文章块改为重点建议卡 */
.parent-advice-card {
  max-width: 1080px;
  padding: 44px 48px 42px;
  border-radius: 18px;
  background:
    radial-gradient(circle at 88% 10%, rgba(245, 183, 93, 0.14), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 250, 241, 0.94));
  border: 1px solid rgba(221, 203, 171, 0.68);
  box-shadow: 0 24px 62px rgba(117, 90, 47, 0.12);
}

.parent-advice-card h2 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 3vw, 2.7rem);
  line-height: 1.18;
}

.parent-advice-card > p {
  max-width: 720px;
  margin-bottom: 26px;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.parent-advice-card ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.parent-advice-card li {
  position: relative;
  margin: 0;
  padding: 18px 18px 18px 52px;
  color: var(--text-secondary);
  background: rgba(255, 250, 241, 0.78);
  border: 1px solid rgba(221, 203, 171, 0.58);
  border-radius: 14px;
  line-height: 1.72;
}

.parent-advice-card li::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 21px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(20, 184, 166, 0.12);
  border: 2px solid rgba(20, 184, 166, 0.58);
}

.parent-advice-card li::after {
  content: '';
  position: absolute;
  left: 26px;
  top: 26px;
  width: 5px;
  height: 10px;
  border: solid var(--brand-600);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.parent-advice-card li strong {
  color: var(--text-primary);
}

.parent-advice-card .text-center {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}

.parent-advice-card .btn {
  min-width: 210px;
}

@media (max-width: 767px) {
  .parent-advice-card {
    padding: 30px 22px 28px;
    border-radius: 14px;
  }

  .parent-advice-card ul {
    grid-template-columns: 1fr;
  }

  .parent-advice-card li {
    padding: 16px 16px 16px 48px;
  }
}

/* 关于我们页面：从文章页升级为品牌介绍页 */
.about-page {
  padding-top: 72px;
}

.about-intro-card,
.about-boundary-card,
.about-cta-card,
.about-panel,
.about-service-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(255, 252, 246, 0.93));
  border: 1px solid rgba(221, 203, 171, 0.64);
  box-shadow: 0 18px 46px rgba(117, 90, 47, 0.1);
}

.about-intro-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 44px;
  align-items: center;
  padding: 48px;
  border-radius: 20px;
}

.about-kicker {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 16px;
  padding: 8px 14px;
  border-radius: 999px;
  color: #be123c;
  background: rgba(244, 63, 94, 0.09);
  border: 1px solid rgba(244, 63, 94, 0.18);
  font-size: 0.9rem;
  font-weight: 800;
}

.about-intro-card h2,
.about-boundary-card h2,
.about-cta-card h2,
.about-panel h2 {
  margin-top: 0;
  color: var(--text-primary);
  line-height: 1.22;
}

.about-intro-card h2 {
  max-width: 760px;
  font-size: clamp(2.15rem, 4vw, 3.35rem);
}

.about-intro-card p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--text-secondary);
  font-size: 1.08rem;
}

.about-signal {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  border-radius: 18px;
  color: #ffffff;
  background:
    radial-gradient(circle at 82% 20%, rgba(255, 255, 255, 0.34), transparent 26%),
    linear-gradient(145deg, #0f766e, #14b8a6 48%, #f05b4c);
  box-shadow: 0 18px 42px rgba(20, 184, 166, 0.2);
}

.about-signal strong {
  display: block;
  font-size: 5rem;
  line-height: 0.9;
}

.about-signal span {
  margin-top: 12px;
  font-weight: 800;
}

.about-service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.about-service-card {
  min-height: 220px;
  padding: 26px 22px;
  border-radius: 16px;
}

.about-service-card span {
  display: inline-flex;
  margin-bottom: 22px;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--brand-700);
  background: rgba(20, 184, 166, 0.1);
  font-weight: 900;
  line-height: 1;
}

.about-service-card:nth-child(2) span {
  color: var(--violet-700);
  background: rgba(139, 92, 246, 0.1);
}

.about-service-card:nth-child(3) span {
  color: #0e7490;
  background: rgba(8, 145, 178, 0.1);
}

.about-service-card:nth-child(4) span {
  color: var(--cta-700);
  background: rgba(244, 63, 94, 0.1);
}

.about-service-card h3 {
  margin: 0 0 12px;
  font-size: 1.16rem;
  line-height: 1.38;
}

.about-service-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.78;
}

.about-split {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 24px;
  margin-top: 28px;
}

.about-panel {
  padding: 38px;
  border-radius: 18px;
}

.section-title-left {
  max-width: none;
  text-align: left;
  margin-bottom: 24px;
}

.section-title-left::before {
  margin-left: 0;
}

.about-principles {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-principles li {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 16px;
  padding: 16px;
  border-radius: 12px;
  background: rgba(255, 250, 241, 0.74);
  border: 1px solid rgba(221, 203, 171, 0.54);
}

.about-principles strong {
  color: var(--brand-700);
}

.about-principles span {
  color: var(--text-secondary);
}

.about-panel-dark {
  color: #ffffff;
  background:
    radial-gradient(circle at 84% 18%, rgba(255, 255, 255, 0.18), transparent 28%),
    linear-gradient(155deg, #182235, #263347);
  border-color: rgba(255, 255, 255, 0.1);
}

.about-panel-dark h2,
.about-panel-dark p {
  color: #ffffff;
}

.about-panel-dark p {
  color: rgba(255, 255, 255, 0.78);
}

.about-boundary-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: 36px;
  align-items: center;
  margin-top: 28px;
  padding: 38px;
  border-radius: 18px;
}

.about-boundary-card p {
  margin-bottom: 0;
  color: var(--text-secondary);
}

.about-boundary-card ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-boundary-card li {
  padding: 14px 16px;
  border-radius: 12px;
  color: var(--text-secondary);
  background: rgba(255, 248, 229, 0.78);
  border: 1px solid rgba(245, 183, 93, 0.34);
}

.about-cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 28px;
  padding: 34px 38px;
  border-radius: 18px;
}

.about-cta-card h2 {
  margin-bottom: 8px;
  font-size: 1.7rem;
}

.about-cta-card p {
  margin: 0;
  color: var(--text-secondary);
}

.about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

@media (max-width: 1100px) {
  .about-intro-card,
  .about-boundary-card,
  .about-split {
    grid-template-columns: 1fr;
  }

  .about-service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .about-page {
    padding-top: 44px;
  }

  .about-intro-card,
  .about-panel,
  .about-boundary-card,
  .about-cta-card {
    padding: 26px 22px;
    border-radius: 14px;
  }

  .about-service-grid,
  .about-boundary-card ul {
    grid-template-columns: 1fr;
  }

  .about-principles li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .about-cta-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .about-cta-actions {
    width: 100%;
    justify-content: flex-start;
  }
}

/* 实景感示意图模块：补充页面真实感，但不冒充真实案例照片 */
.scene-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 34px;
  align-items: center;
  margin-bottom: 34px;
  padding: 26px;
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 252, 246, 0.92));
  border: 1px solid rgba(221, 203, 171, 0.64);
  box-shadow: 0 20px 54px rgba(117, 90, 47, 0.11);
}

.scene-feature figure,
.about-photo {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 16px;
  background: #fff4df;
  border: 1px solid rgba(221, 203, 171, 0.58);
  box-shadow: 0 14px 34px rgba(117, 90, 47, 0.1);
}

.scene-feature img,
.about-photo img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.scene-feature figcaption,
.about-photo figcaption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.94);
  background: rgba(15, 23, 42, 0.56);
  backdrop-filter: blur(8px);
  font-size: 0.76rem;
  line-height: 1;
}

.scene-kicker {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 14px;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--brand-700);
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.18);
  font-size: 0.88rem;
  font-weight: 800;
}

.scene-feature h2 {
  margin: 0 0 14px;
  color: var(--text-primary);
  font-size: clamp(1.8rem, 3vw, 2.55rem);
  line-height: 1.2;
}

.scene-feature p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 1.02rem;
}

.scene-feature-competition {
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
}

.scene-feature-competition .qa-checklist {
  margin-top: 18px;
}

.scene-feature-contact {
  margin-bottom: 28px;
}

/* 校区地址：用于首页、联系页和页脚，保持暖色主题下的清晰可读 */
.campus-list {
  display: grid;
  gap: 10px;
}

.campus-list h4 {
  margin: 0 0 2px;
  color: var(--text-primary);
  font-size: 1rem;
}

.campus-list-compact {
  margin: 16px 0 18px;
}

.home-contact-grid {
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 24px;
  padding: 28px;
  border: 1px solid rgba(221, 203, 171, 0.64);
  border-radius: 20px;
  background:
    radial-gradient(circle at 12% 20%, rgba(20, 184, 166, 0.1), transparent 28%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(255, 248, 229, 0.9));
  box-shadow: 0 24px 64px rgba(117, 90, 47, 0.12);
}

.home-contact-panel {
  min-height: 100%;
  padding: 30px;
  border-radius: 16px;
  border: 1px solid rgba(221, 203, 171, 0.56);
  background: rgba(255, 255, 255, 0.72);
}

.home-contact-primary {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.home-contact-primary p {
  max-width: 430px;
  margin-bottom: 0;
  color: var(--text-secondary);
}

.contact-kicker {
  width: fit-content;
  margin-bottom: 12px;
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--brand-700);
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.18);
  font-size: 0.84rem;
  font-weight: 800;
}

.home-contact-primary .contact-id-card {
  max-width: none;
  margin: 22px 0;
}

.contact-qr-grid-home {
  margin-bottom: 18px;
}

.home-contact-secondary {
  display: grid;
  align-content: center;
  gap: 18px;
}

.campus-list-home {
  gap: 12px;
}

.campus-list-home h3 {
  margin-bottom: 6px;
}

.contact-reason-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.contact-reason-strip span {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--text-secondary);
  background: rgba(255, 250, 241, 0.86);
  border: 1px solid rgba(221, 203, 171, 0.52);
  font-size: 0.9rem;
  font-weight: 700;
}

/* 联系页专用布局：避免通用两栏白框造成信息主次不清 */
.contact-page-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(0, 1.14fr);
  gap: 24px;
  align-items: stretch;
}

.contact-page-card {
  padding: 30px;
  border: 1px solid rgba(221, 203, 171, 0.62);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 252, 246, 0.92));
  box-shadow: 0 18px 48px rgba(117, 90, 47, 0.1);
}

.contact-page-main {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.contact-page-main > p,
.contact-page-guide > p,
.contact-note p {
  color: var(--text-secondary);
}

.contact-page-main .contact-id-card {
  max-width: none;
  margin: 24px 0 18px;
}

.contact-page-campus {
  background:
    radial-gradient(circle at 88% 8%, rgba(20, 184, 166, 0.12), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 248, 229, 0.9));
}

.contact-page-campus .campus-list {
  gap: 12px;
}

.contact-page-campus h3,
.contact-page-guide h3,
.contact-page-main h3 {
  margin-bottom: 12px;
}

.contact-page-guide .qa-checklist {
  margin-top: 18px;
}

.contact-page-guide {
  grid-column: 1 / -1;
}

.contact-page-guide .disclaimer-box {
  margin-bottom: 14px;
}

.privacy-link {
  font-size: 0.9rem;
  font-weight: 700;
}

.campus-card {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid rgba(221, 203, 171, 0.58);
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(255, 250, 241, 0.96), rgba(255, 246, 226, 0.78));
  box-shadow: 0 10px 24px rgba(117, 90, 47, 0.07);
}

.campus-card strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 4px 8px;
  border-radius: 999px;
  color: var(--brand-700);
  background: rgba(20, 184, 166, 0.1);
  font-size: 0.86rem;
  white-space: nowrap;
}

.campus-card span {
  color: var(--text-secondary);
  font-weight: 700;
  line-height: 1.55;
}

.footer-campus {
  display: grid;
  gap: 6px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-contact-lines {
  display: grid;
  gap: 5px;
  margin-top: 12px;
}

.footer-contact-lines span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.86rem;
  line-height: 1.45;
}

.footer-campus strong {
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.9rem;
}

.footer-campus span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.84rem;
  line-height: 1.45;
}

.about-photo {
  min-height: 260px;
}

.about-photo img {
  height: 100%;
  min-height: 260px;
}

@media (max-width: 1100px) {
  .scene-feature,
  .scene-feature-competition {
    grid-template-columns: 1fr;
  }

  .home-contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-page-layout {
    grid-template-columns: 1fr;
  }

  .contact-page-main {
    grid-row: auto;
  }
}

@media (max-width: 767px) {
  .scene-feature {
    padding: 16px;
    border-radius: 14px;
  }

  .scene-feature figure,
  .about-photo {
    border-radius: 12px;
  }

  .scene-feature figcaption,
  .about-photo figcaption {
    position: static;
    display: block;
    border-radius: 0;
    background: rgba(15, 23, 42, 0.72);
  }

  .campus-card {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .campus-card strong {
    width: fit-content;
  }

  .home-contact-grid {
    padding: 16px;
    border-radius: 14px;
  }

  .home-contact-panel {
    padding: 22px 18px;
    border-radius: 12px;
  }

  .contact-page-card {
    padding: 22px 18px;
    border-radius: 14px;
  }

  .contact-qr-grid {
    grid-template-columns: 1fr;
  }

  .contact-reason-strip {
    display: grid;
  }
}

/* 全站子页面去除重复大标题横幅：保留标题语义，但不再占用视觉空间。 */
.page-header {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-header::before,
.page-header::after {
  display: none;
}

.breadcrumb + .page-header + .section,
.breadcrumb + .section,
.site-main > .section:first-child {
  padding-top: 56px;
}

@media (max-width: 767px) {
  .breadcrumb + .page-header + .section,
  .breadcrumb + .section,
  .site-main > .section:first-child {
    padding-top: 36px;
  }
}

/* 首页下半部分增强：让案例、作品、赛事、问答与首屏和课程卡片保持同等视觉量级。 */
.home .section-title {
  margin-bottom: 42px;
}

.home .section-title h2 {
  font-size: clamp(2.35rem, 4vw, 3.45rem);
  line-height: 1.12;
}

.home .section-title p {
  max-width: 760px;
  font-size: 1.08rem;
}

.home .content-status,
.home .qa-inline {
  width: min(100%, 1120px);
  max-width: none;
  margin: 0 auto;
  padding: 44px 48px;
  border-radius: 20px;
  border: 1px solid rgba(221, 203, 171, 0.64);
  background:
    radial-gradient(circle at 92% 18%, rgba(20, 184, 166, 0.11), transparent 28%),
    radial-gradient(circle at 10% 88%, rgba(245, 183, 93, 0.15), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 252, 246, 0.92));
  box-shadow: 0 24px 64px rgba(117, 90, 47, 0.12);
}

.home .content-status {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px 34px;
  align-items: center;
  border-left: 0;
  border-top: 6px solid var(--brand-500);
}

.home .content-status h3 {
  margin: 0 0 12px;
  color: var(--text-primary);
  font-size: clamp(1.65rem, 2.6vw, 2.25rem);
  line-height: 1.2;
}

.home .content-status p {
  max-width: 760px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 1.08rem;
  line-height: 1.85;
}

.home .content-status > .btn,
.home .content-status > a.btn,
.home .content-status .contact-actions {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
}

.home .content-status .contact-actions {
  justify-content: flex-end;
  min-width: 270px;
}

.home .content-status .btn,
.home .qa-inline .btn {
  height: 56px;
  padding-inline: 34px;
  font-size: 1.05rem;
}

.home .qa-inline {
  padding: 48px 52px;
}

.home .qa-inline h3 {
  margin-bottom: 22px;
  color: var(--brand-700) !important;
  font-size: clamp(1.5rem, 2.6vw, 2.15rem);
}

.home .qa-inline .qa-checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 26px;
  margin: 24px 0;
}

.home .qa-inline .qa-checklist li {
  margin-bottom: 0;
  padding: 14px 16px 14px 44px;
  border-radius: 12px;
  background: rgba(255, 250, 241, 0.78);
  border: 1px solid rgba(221, 203, 171, 0.5);
}

.home .qa-inline .qa-checklist li::before {
  left: 16px;
  top: 17px;
}

.home .qa-inline .disclaimer-box {
  padding: 20px 22px;
  border-radius: 14px;
}

.home .faq-list {
  max-width: 1120px;
}

.home .faq-item {
  margin-bottom: 16px;
  border: 1px solid rgba(221, 203, 171, 0.62);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 252, 246, 0.92));
  box-shadow: 0 14px 34px rgba(117, 90, 47, 0.08);
}

.home .faq-question {
  padding: 26px 30px;
  font-size: 1.08rem;
}

.home .faq-answer {
  padding: 0 30px 28px;
}

.home .contact-section .section-title {
  margin-bottom: 34px;
}

/* 首页学习路径：改为阶梯式路径，让五个阶段形成更明确的成长递进关系。 */
.home .path-timeline {
  width: min(100%, 1180px);
  min-height: 420px;
  margin: 0 auto;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: start;
  gap: 16px;
}

.home .path-item {
  min-height: 260px;
  padding: 28px 22px 26px;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 250, 240, 0.94));
  border: 1px solid rgba(221, 203, 171, 0.7);
  box-shadow: 0 18px 46px rgba(117, 90, 47, 0.12);
}

.home .path-item:nth-child(1) {
  margin-top: 120px;
}

.home .path-item:nth-child(2) {
  margin-top: 90px;
}

.home .path-item:nth-child(3) {
  margin-top: 60px;
}

.home .path-item:nth-child(4) {
  margin-top: 30px;
}

.home .path-item:nth-child(5) {
  margin-top: 0;
}

.home .path-item::before {
  content: none !important;
}

.home .path-item::after {
  content: '' !important;
  position: absolute;
  top: 50%;
  right: -17px;
  width: 36px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(20, 184, 166, 0.46), rgba(245, 183, 93, 0.24));
  transform: translateY(-50%) rotate(-14deg);
  z-index: 2;
}

.home .path-item:last-child::after {
  content: none !important;
}

.home .path-step {
  width: 62px;
  height: 62px;
  margin-bottom: 24px;
  border-radius: 18px;
  font-size: 1.18rem;
}

.home .path-step::before {
  content: none !important;
}

.home .path-item h4 {
  font-size: 1.16rem;
}

.home .path-item p {
  font-size: 0.96rem;
}

@media (max-width: 900px) {
  .home .content-status {
    grid-template-columns: 1fr;
  }

  .home .content-status > .btn,
  .home .content-status > a.btn,
  .home .content-status .contact-actions {
    grid-column: auto;
    grid-row: auto;
    justify-content: flex-start;
    min-width: 0;
  }

  .home .qa-inline .qa-checklist {
    grid-template-columns: 1fr;
  }

  .home .path-timeline {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .home .path-item:nth-child(n) {
    margin-top: 0;
  }

  .home .path-item::before {
    left: 28px;
    right: auto;
    bottom: -18px;
    width: 3px;
    height: 20px;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(20, 184, 166, 0.5), rgba(245, 183, 93, 0.16));
    transform: none;
  }

  .home .path-item::after {
    content: none !important;
  }

  .home .path-item:last-child::before {
    content: none !important;
  }
}

@media (max-width: 767px) {
  .home .section-title {
    margin-bottom: 30px;
  }

  .home .section-title h2 {
    font-size: 2.05rem;
  }

  .home .content-status,
  .home .qa-inline {
    padding: 28px 20px;
    border-radius: 16px;
  }

  .home .content-status h3,
  .home .qa-inline h3 {
    font-size: 1.55rem;
  }

  .home .content-status p {
    font-size: 0.98rem;
  }

  .home .content-status .btn,
  .home .qa-inline .btn {
    width: 100%;
  }

  .home .faq-question {
    padding: 20px;
    font-size: 1rem;
  }

  .home .faq-answer {
    padding: 0 20px 22px;
  }
}
/* 统一品牌事实、课程收费与师资信息 */
.home-facts-band {
  padding: 0;
  background: var(--bg-content);
  border-bottom: 1px solid var(--border-color);
}

.brand-fact-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 44px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--border-color);
}

.home-facts-band .brand-fact-strip {
  margin-top: 0;
  margin-bottom: 0;
}

.brand-fact-strip > div {
  display: grid;
  align-content: center;
  min-height: 104px;
  padding: 20px 22px;
  background: var(--bg-content);
}

.brand-fact-strip strong {
  color: var(--text-primary);
  font-size: 1.16rem;
  line-height: 1.35;
}

.brand-fact-strip span {
  margin-top: 5px;
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.5;
}

.about-company-section,
.teacher-section,
.achievement-highlights {
  margin: 56px 0;
}

.about-company-section {
  max-width: 920px;
}

.about-company-section > p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.85;
}

.teacher-grid,
.achievement-grid,
.tuition-grid,
.course-policy-grid {
  display: grid;
  gap: 16px;
}

.teacher-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.teacher-card {
  padding: 28px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-content);
}

.teacher-card-heading {
  display: flex;
  align-items: center;
  gap: 16px;
}

.teacher-card-heading > span {
  display: grid;
  place-items: center;
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: #ffffff;
  background: var(--brand-700);
  font-size: 1.1rem;
  font-weight: 800;
}

.teacher-card h3,
.teacher-card-heading p {
  margin: 0;
}

.teacher-card-heading p {
  margin-top: 4px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.teacher-card ul {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding-left: 20px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.teacher-credential-section {
  margin-top: 44px;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
}

.teacher-credential-section .section-title {
  max-width: 840px;
  margin-bottom: 24px;
}

.teacher-credential-section .section-title h3 {
  margin: 8px 0;
  color: var(--text-primary);
  font-size: 1.55rem;
}

.teacher-credential-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.teacher-credential-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-content);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.teacher-credential-card:hover {
  border-color: var(--brand-500);
  box-shadow: var(--shadow-md);
}

.teacher-credential-card img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: contain;
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
}

.teacher-credential-card > span {
  display: grid;
  gap: 6px;
  padding: 18px;
}

.teacher-credential-card strong {
  color: var(--text-primary);
  font-size: 0.98rem;
  line-height: 1.5;
}

.teacher-credential-card small {
  color: var(--text-secondary);
  line-height: 1.55;
}

.teacher-credential-text {
  justify-content: center;
  min-height: 284px;
  padding: 22px;
  border-left: 4px solid var(--brand-600);
  background: var(--bg-subtle);
}

.teacher-credential-text > span {
  padding: 0;
}

.teacher-credential-text p {
  margin: 14px 0 0;
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.7;
}

.course-fee-section {
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.tuition-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 920px;
  margin: 0 auto 22px;
}

.tuition-grid article {
  display: grid;
  gap: 10px;
  padding: 26px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-content);
}

.tuition-grid span {
  color: var(--text-secondary);
  font-weight: 700;
}

.tuition-grid strong {
  color: var(--brand-700);
  font-size: 1.8rem;
  line-height: 1.2;
}

.tuition-grid small {
  margin-left: 3px;
  color: var(--text-secondary);
  font-size: 0.82rem;
}

.course-policy-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 920px;
  margin: 0 auto;
  padding-top: 22px;
  border-top: 1px solid var(--border-color);
}

.course-policy-grid strong {
  color: var(--text-primary);
}

.course-policy-grid p {
  margin: 7px 0 0;
  color: var(--text-secondary);
  line-height: 1.7;
}

.achievement-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.achievement-grid article {
  min-height: 150px;
  padding: 24px;
  border-top: 3px solid var(--brand-600);
  border-radius: 0 0 8px 8px;
  background: var(--bg-subtle);
}

.achievement-grid strong {
  color: var(--brand-700);
  font-size: 1.45rem;
}

.achievement-grid p {
  margin: 12px 0 0;
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.65;
}

.achievement-note {
  margin: 16px 0 0;
  color: var(--text-light);
  font-size: 0.86rem;
}

@media (max-width: 900px) {
  .brand-fact-strip,
  .achievement-grid,
  .teacher-credential-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .course-policy-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .brand-fact-strip,
  .teacher-grid,
  .tuition-grid,
  .achievement-grid,
  .teacher-credential-grid {
    grid-template-columns: 1fr;
  }

  .brand-fact-strip > div {
    min-height: 86px;
  }

  .teacher-card,
  .tuition-grid article,
  .achievement-grid article {
    padding: 20px;
  }
}