/* CSS Variables */
:root {
  --brand: #4f46e5;
  --brand-dark: #4338ca;
  --brand-soft: #eef2ff;

  /* Honors Module Colors - Based on Design Standard */
  --bg-honors: #F5FAFF;      /* 氢蓝透明底色 */
  --border-honors: #E5E5E5;  /* 分割线颜色 */
  --text-honors-title: #2C2C32; /* 标题颜色 */
  --text-honors-body: #555555;  /* 正文颜色 */
}

/* 基础排版 */
body {
  font-family: "Noto Sans SC", Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

/* 顶部左侧主 Logo 尺寸 */
.site-logo {
  height: 5rem;   /* 5rem 高度 */
  width: auto;    /* 按比例缩放 */
}

/* Banner 右侧人力资本价值经营大圆图 */
.hero-wheel-container {
  position: relative;
  width: 100%;
  max-width: 640px;
  aspect-ratio: 16 / 7; /* 适配你这张长图的比例，可微调 */
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 鼠标悬停：图片轻微放大 */
.hero-wheel-container:hover .hero-wheel-image {
  transform: scale(1.15);
}

/* FAQ 手风琴基础样式 - 已废弃，改用 Tailwind + JS 控制 */
/* .faq-content { ... } */


/* 小箭头旋转效果 */
.faq-icon {
  transition: transform 0.3s ease;
}

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

/* 人瑞底蕴合作伙伴 logo 区块 */
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
  align-items: center;
  font-size: 2.2rem;        /* 这里是 logo 大小，按你实际需求调 */
  color: #cbd5f5;           /* 默认浅灰蓝 */
}

/* 每个 logo 的基础状态 */
.partner-logos i {
  opacity: 0.9;
  transition: color 0.25s ease, transform 0.25s ease, text-shadow 0.25s ease;
  cursor: default;          /* 如果想看起来更可点击，可以改成 pointer */
}

/* hover 变成品牌紫色 + 轻微放大 + 发光 */
.partner-logos i:hover {
  color: #7c3aed;           /* brand-600 紫色 */
  transform: translateY(-3px) scale(1.08);
  text-shadow: 0 0 12px rgba(124, 58, 237, 0.55);
}

/* 导航玻璃态 */
.glass-nav {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

/* 渐变文字 */
.text-gradient {
  background: linear-gradient(135deg, #4c1d95 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Hero 副标题字号调整 */
.hero-subtitle {
  font-size: 0.9rem; /* 覆盖 text-lg 的默认字号 */
}

/* 背景斜纹 + 渐变 */
.hero-bg-combined {
  background: radial-gradient(circle at top right, #f3e8ff 0%, #ffffff 40%, #f0f9ff 100%);
}

/* 桌面导航链接 */
.nav-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  margin: 0 0.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #64748b;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
}
.nav-link:hover {
  color: #7c3aed;
  background-color: #f5f3ff;
}

/* 移动端导航 */
.mobile-nav-link {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #64748b;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
}
.mobile-nav-link:hover {
  color: #7c3aed;
  background-color: #f5f3ff;
}

/* Hero 小卡片 */
.hero-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-radius: 0.95rem;
  border: 1px solid #e2e8f0;
  padding: 1rem;
  box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.06);
}
.hero-card-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #94a3b8;
}
.hero-card-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #0f172a;
}

/* 人瑞背书合作 Logo 区 */
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  font-size: 1.75rem;
  color: #cbd5f5;
}
.partner-logos i {
  opacity: 0.9;
}

/* ========= 双轮图全新样式（不会和旧 .gear 冲突） ========= */

/* 左右两个轮子的定位和尺寸 */
.dual-gear {
  position: absolute;
  top: 50%;
  width: 48%;
  max-width: 260px;
  aspect-ratio: 1 / 1;
  transform: translateY(-50%);
  margin-top: 0.75rem;
}
.dual-gear-left {
  left: 0;
}
.dual-gear-right {
  right: 0;
}

/* 外环：旋转的圈 */
.dual-gear-ring {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  border-width: 6px;
  border-style: solid;
  background-color: #ffffff;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.16);
}
.dual-gear-ring::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 8px currentColor;
  opacity: 0.18;
}

/* 只让外环慢速旋转，文字不转 */
.dual-gear-ring-hc {
  border-color: #8a2be2;
  color: #8a2be2;
  animation: spin-cw 16s linear infinite;
}
.dual-gear-ring-ai {
  border-color: #4169e1;
  color: #4169e1;
  animation: spin-ccw 16s linear infinite;
}

/* 内容区：始终在最上层，不旋转 */
.dual-gear-content {
  position: relative;
  z-index: 1;
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* 内部圆形标签 */
.dual-gear-inner-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  width: 6rem;
  height: 6rem;
  border-width: 4px;
  border-style: solid;
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.dual-gear-inner-circle-hc {
  border-color: #8a2be2;
  color: #8a2be2;
  background-color: #f5f3ff;
}
.dual-gear-inner-circle-ai {
  border-color: #4169e1;
  color: #4169e1;
  background-color: #eff6ff;
}

/* 文本 */
.dual-gear-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: #475569;
}
.dual-gear-sub {
  font-size: 0.75rem;
  font-weight: 700;
  margin-top: 0.25rem;
}
.dual-gear-sub-hc {
  color: #8a2be2;
}
.dual-gear-sub-ai {
  color: #4169e1;
}
.dual-gear-desc {
  font-size: 0.625rem;
  color: #64748b;
  margin-top: 0.25rem;
}

/* 周围小标签 */
.dual-gear-label {
  position: absolute;
  font-size: 0.75rem;
  font-weight: 500;
  color: #475569;
  background-color: #ffffff;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.12);
}

/* 位置微调，尽量贴近你 PPT 的位置 */
.dual-gear-label-left-middle {
  left: -3.5rem;
  top: 50%;
  transform: translateY(-50%);
}
.dual-gear-label-right-middle {
  right: -3.5rem;
  top: 50%;
  transform: translateY(-50%);
}
.dual-gear-label-right-top {
  right: -0.5rem;
  top: -1.5rem;
}
.dual-gear-label-left-top {
  left: -0.5rem;
  top: -1.5rem;
}

/* 中心闪电 */
.gear-center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4.5rem;
  height: 4.5rem;
  transform: translate(-50%, -50%);
  margin-top: 0.75rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #0f172a, #020617);
  border: 4px solid #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.45);
  z-index: 30;
}

/* 动画 */
@keyframes spin-cw {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
@keyframes spin-ccw {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(-360deg);
  }
}
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}
@keyframes blob {
  0% {
    transform: translate(0px, 0px) scale(1);
  }
  33% {
    transform: translate(30px, -50px) scale(1.08);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.94);
  }
  100% {
    transform: translate(0px, 0px) scale(1);
  }
}
@keyframes pulse-slow {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
    100% {
        opacity: 1;
    }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}
.animate-blob {
    animation: blob 7s infinite;
}
.animate-pulse-slow {
    animation: pulse-slow 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Tab Styles */
.tab-btn.active {
    box-shadow: 0 4px 6px -1px rgba(124, 58, 237, 0.1), 0 2px 4px -1px rgba(124, 58, 237, 0.06);
}
.tab-content {
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.tab-content.hidden {
    display: none;
}
.rotate {
    transform: rotate(180deg);
}
.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, opacity 0.3s ease-out, margin 0.3s ease;
    opacity: 0;
}
.faq-content.open {
    max-height: 500px;
    opacity: 1;
    margin-top: 1rem;
}

/* FAQ Optimization Styles */
.faq-question {
  outline: none !important; /* Remove default outline */
  position: relative;
  transition: all 0.3s ease;
  border-radius: 0.5rem; /* Slight rounded corners for better look */
}

/* Hover State */
.faq-question:hover {
  background-color: #f8fafc;
  transform: scale(1.005);
}

/* Active State (Click) */
.faq-question:active {
  background-color: #f1f5f9;
  transform: scale(0.995);
}

/* Focus State (Keyboard) */
.faq-question:focus {
  background-color: var(--brand-soft);
  color: var(--brand-dark);
}

/* Ensure child elements inherit/adapt styles on focus */
.faq-question:focus h3 {
  color: var(--brand-dark);
}

.faq-question:focus .faq-icon {
  color: var(--brand);
}

/* Article Page Styles */
#progress-bar { 
    width: 0%; 
    height: 4px; 
    background: #7c3aed; 
    position: fixed; 
    top: 0; 
    left: 0; 
    z-index: 100; 
    transition: width 0.1s; 
}
.bg-grid-slate-200 { 
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32' width='32' height='32' fill='none' stroke='%23e2e8f0'%3e%3cpath d='M0 .5H31.5V32'/%3e%3c/svg%3e"); 
}
.prose { 
    max-width: 100% !important; 
    overflow-x: hidden; 
}
.prose img { 
    max-width: 100%; 
    height: auto; 
    border-radius: 0.5rem; 
    margin: 2rem 0; 
}
.prose p { 
    margin-bottom: 1.5em; 
    line-height: 1.8; 
    color: #334155; 
}
.prose h2 { 
    margin-top: 2rem; 
    margin-bottom: 1rem; 
    font-weight: 700; 
    color: #1e293b; 
    font-size: 1.5rem; 
    border-left: 4px solid #7c3aed; 
    padding-left: 1rem; 
}
.prose h3 { 
    margin-top: 1.5rem; 
    margin-bottom: 0.75rem; 
    font-weight: 600; 
    color: #334155; 
    font-size: 1.25rem; 
}
.sticky-sidebar { 
    position: sticky; 
    top: 6rem; 
}

/* Solutions Page Styles */
.arch-layer {
    position: relative;
    border-left: 4px solid;
    transition: all 0.3s ease;
}
.arch-layer:hover {
    transform: translateX(5px);
}
/* Roadmap connection lines */
.roadmap-line::before {
    content: '';
    position: absolute;
    top: 2rem;
    left: 0;
    width: 100%;
    height: 2px;
    background: #e2e8f0;
    z-index: 0;
}
@media (max-width: 768px) {
    .roadmap-line::before {
        display: none;
    }
}

/* Form Page Styles */
.btn-primary {
    background-color: #7c3aed;
    color: white;
    font-weight: 600;
    border-radius: 0.75rem;
    padding: 0.75rem 1.5rem;
    transition: all 0.2s ease;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.btn-primary:hover {
    background-color: #6d28d9;
    transform: translateY(-0.125rem);
}

.btn-outline {
    border: 1px solid #cbd5e1;
    color: #334155;
    font-weight: 600;
    border-radius: 0.75rem;
    padding: 0.75rem 1.5rem;
    transition: all 0.2s ease;
}
.btn-outline:hover {
    border-color: #a78bfa;
    color: #7c3aed;
}

/* Multi-step Form Styles */
.page-bg {
    background: radial-gradient(circle at 0 0, #eef2ff 0, transparent 55%),
        radial-gradient(circle at 100% 0, #e0f2fe 0, transparent 55%),
        radial-gradient(circle at 50% 100%, #e5e7eb 0, #f9fafb 60%);
}

.card-elevated {
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
}

/* 主按钮（下一步、提交） */
.btn-primary-main {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 1rem;
    background-color: var(--brand);
    padding: 0.6rem 1.4rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #ffffff;
    box-shadow: 0 10px 26px rgba(79, 70, 229, 0.5);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-primary-main:hover {
    background-color: var(--brand-dark);
    box-shadow: 0 14px 32px rgba(79, 70, 229, 0.7);
    transform: translateY(-2px);
}

/* 次按钮（上一步） */
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    border-radius: 999px;
    border: 1px solid #e5e7eb;
    padding: 0.55rem 1.2rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
    background-color: #ffffff;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-secondary:hover {
    border-color: #c7d2fe;
    color: var(--brand-dark);
    background-color: #f9fafb;
}

/* 输入框 */
.form-input-custom {
    border-radius: 0.75rem;
    border: 1px solid #e5e7eb;
    background-color: #f9fafb;
    padding: 0.7rem 0.9rem;
    font-size: 0.9rem;
    width: 100%;
    transition: all 0.15s ease;
}

.form-input-custom:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 1px rgba(79, 70, 229, 0.15);
    background-color: #ffffff;
}

.form-label {
    font-size: 0.8rem;
    color: #6b7280;
    margin-bottom: 0.15rem;
    display: inline-block;
}

.form-label span {
    color: #ef4444;
    margin-left: 2px;
}

/* step 指示器 */
.step-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border-radius: 999px;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    border: 1px solid transparent;
}

.step-pill-active {
    background-color: #ffffff;
    color: var(--brand);
    border-color: #e5e7eb;
    font-weight: 600;
}

.step-pill-inactive {
    color: #9ca3af;
    background-color: transparent;
}

.step-circle {
    width: 18px;
    height: 18px;
    border-radius: 999px;
    border: 2px solid #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
}

.step-circle-active {
    border-color: var(--brand);
    background-color: var(--brand-soft);
    color: var(--brand);
}

.step-circle-inactive {
    background-color: transparent;
    color: #9ca3af;
}

/* Admin Login Page Styles */
.admin-login-body {
    background-color: #eef2f7;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-box {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    width: 360px;
}
.btn-brand {
    background-color: #212529;
    color: white;
    width: 100%;
    padding: 10px;
}
.btn-brand:hover {
    background-color: #000;
    color: white;
}

/* Admin Dashboard Styles */
.admin-dashboard-body {
    display: flex;
    min-height: 100vh;
    background-color: #f8f9fa;
}
.sidebar {
    width: 260px;
    background-color: #212529;
    color: white;
    padding-top: 20px;
    flex-shrink: 0;
}
.sidebar a {
    color: #adb5bd;
    padding: 15px 25px;
    display: block;
    text-decoration: none;
}
.sidebar a.active, .sidebar a:hover {
    background-color: #0d6efd;
    color: white;
}
.content {
    flex-grow: 1;
    padding: 30px;
    overflow-y: auto;
}
.section {
    display: none;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.section.active {
    display: block;
}
#editor {
    height: 400px;
}
.img-preview {
    max-height: 80px;
    margin-top: 5px;
    display: none;
    border: 1px solid #ddd;
    padding: 2px;
    border-radius: 4px;
}

/* ==========================================================================
   研究中心文章卡片样式优化 (Research Center Card Styles)
   ========================================================================== */

/* 
 * 1. 标题样式
 * - 字体大小: 1.2rem
 * - 强制单行显示，超出省略
 */
.research-card-title {
    font-size: 1.2rem !important; /* 强制覆盖 Tailwind 可能的优先级 */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.5;
    display: block; /* 确保是块级元素以支持截断 */
}

/* 
 * 2. 描述文本样式
 * - 限制显示两行
 * - 超出部分显示省略号
 * - 兼容性处理
 */
.research-card-desc {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2; /* 核心属性：限制2行 */
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.625; /* leading-relaxed 对应 */
    max-height: 3.25em; /* 2 * 1.625em，作为 fallback */
}

/* 响应式微调 (确保小屏也正常) */
@media (max-width: 640px) {
    .research-card-title {
        font-size: 1.1rem !important; /* 移动端稍小一点，保持美观 */
    }
}

/* 
 * 全局标题悬停提示框 (Custom Tooltip)
 * 用于在悬停时显示完整标题，解决 overflow:hidden 导致的截断问题
 */
#custom-title-tooltip {
    position: fixed;
    z-index: 9999;
    background-color: #ffffff;
    color: #0f172a; /* slate-900 */
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 1.2rem; /* Match title size */
    font-weight: 700;
    line-height: 1.4;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05), 0 0 0 1px rgba(0, 0, 0, 0.05);
    pointer-events: none; /* 避免鼠标反复触发 hover */
    opacity: 0;
    transform: translateY(5px) scale(0.98);
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 90vw; /* 防止超出屏幕太宽 */
    word-wrap: break-word;
    visibility: hidden; /* Prevent interaction when hidden */
}

#custom-title-tooltip.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    visibility: visible;
}

/* ==========================================================================
   Mission & Solution 模块悬停效果 (Mission & Solution Hover Effects)
   ========================================================================== */

/* 仅在桌面端/大屏幕启用 (Desktop only) */
@media (min-width: 768px) {
    /* 核心挑战与解决之道卡片 (Top 2 Cards) */
    #mission .bg-gradient-to-br {
        will-change: transform, box-shadow;
        transition: transform 0.25s ease-out, box-shadow 0.25s ease-out;
        /* 确保变换原点在中心 */
        transform-origin: center center;
    }

    #mission .bg-gradient-to-br:hover {
        transform: scale(1.01); /* 轻微缩放 1% */
        box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.15); /* 增强阴影 */
    }

    /* 底部三个价值卡片 (Bottom 3 Cards) */
    #mission .value-card {
        will-change: transform, box-shadow;
        transition: transform 0.25s ease-out, box-shadow 0.25s ease-out;
        transform-origin: center center;
    }

    #mission .value-card:hover {
        transform: scale(1.02); /* 轻微缩放 2% */
        box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.15); /* 增强阴影 */
    }
    
    /* Mission Item 交互样式 */
    .mission-item {
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        padding: 0.75rem; /* Add padding for click/hover area */
        border-radius: 0.75rem;
        margin-left: -0.75rem; /* Compensate for padding to keep alignment */
        margin-right: -0.75rem;
        border-left: 4px solid transparent; /* Prepare for border transition */
    }

    /* Dimmed State */
    .mission-item.dimmed {
        opacity: 0.3;
        transform: scale(0.98);
    }

    /* Active State */
    .mission-item.active {
        opacity: 1;
        transform: scale(1.02) translateX(4px);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    }

    /* Challenge Active (Red Theme) */
    #mission-challenges .mission-item.active {
        background-color: rgba(255, 255, 255, 0.9);
        border-left-color: #ef4444; /* Red-500 */
    }

    /* Solution Active (Purple/White Theme) */
    #mission-solutions .mission-item.active {
        background-color: rgba(255, 255, 255, 0.15);
        border-left-color: #fff;
    }
}