/* ==================== µçÄÔ¶Ë ==================== */	  

      /* ==================== Reset & Base ==================== */
      *, *::before, *::after {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }

      :root {
        --green-primary: #2D8C5A;
        --green-accent: #43A047;
        --green-light: #E8F5E9;
        --green-lighter: #C8E6C9;
        --green-mid: #A5D6A7;
        --green-dark: #1B5E20;
        --text-dark: #2C3E50;
        --text-secondary: #5A6C7D;
        --text-muted: #8B98A5;
        --bg-white: #FFFFFF;
        --bg-soft: #FAFCFB;
        --border-soft: #E8F0EB;
        --shadow-sm: 0 2px 8px rgba(45, 140, 90, 0.06);
        --shadow-md: 0 6px 20px rgba(45, 140, 90, 0.08);
        --shadow-lg: 0 12px 40px rgba(45, 140, 90, 0.12);
        --font-stack: "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
      }

      html { font-size: 16px; scroll-behavior: smooth; }
      body {
        font-family: var(--font-stack);
        background: var(--bg-white);
        color: var(--text-dark);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
      }
      a { color: inherit; text-decoration: none; }
      img { display: block; max-width: 100%; }

      /* ==================== Top Navigation ==================== */
      .top-nav {
        position: fixed;
        top: 0; left: 0; right: 0;
        z-index: 100;
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: saturate(180%) blur(16px);
        -webkit-backdrop-filter: saturate(180%) blur(16px);
        border-bottom: 1px solid var(--border-soft);
        transition: all 0.3s;
      }
      .top-nav-inner {
        max-width: 1280px;
        margin: 0 auto;
        padding: 14px 48px;
        display: flex;
        align-items: center;
        justify-content: space-between;
      }
      .logo {
        display: flex;
        align-items: center;
        gap: 12px;
        font-weight: 700;
        color: var(--green-primary);
      }
      .logo-mark {
        width: 40px; height: 40px;
        border-radius: 12px;
        background: linear-gradient(135deg, var(--green-primary) 0%, var(--green-accent) 100%);
        display: flex; align-items: center; justify-content: center;
        color: white;
        box-shadow: 0 4px 12px rgba(45, 140, 90, 0.3);
      }
      .logo-mark svg { width: 24px; height: 24px; }
      .logo-text { display: flex; flex-direction: column; line-height: 1.2; }
      .logo-text .name { font-size: 16px; font-weight: 700; color: var(--green-primary); }
      .logo-text .sub { font-size: 11px; color: var(--text-muted); letter-spacing: 1px; font-weight: 400; }

      .nav-menu { display: flex; align-items: center; gap: 36px; }
      .nav-menu a {
        font-size: 14px;
        color: var(--text-secondary);
        font-weight: 500;
        transition: color 0.2s;
        position: relative;
      }
      .nav-menu a:hover { color: var(--green-primary); }
      .nav-menu a::after {
        content: ''; position: absolute; bottom: -4px; left: 50%;
        width: 0; height: 2px;
        background: var(--green-accent);
        border-radius: 1px;
        transition: all 0.2s; transform: translateX(-50%);
      }
      .nav-menu a:hover::after { width: 100%; }
      .nav-cta {
        padding: 8px 20px;
        background: linear-gradient(135deg, var(--green-primary) 0%, var(--green-accent) 100%);
        color: white !important;
        border-radius: 20px;
        font-size: 13px; font-weight: 500;
        box-shadow: 0 3px 10px rgba(45, 140, 90, 0.25);
        transition: all 0.25s;
      }
      .nav-cta:hover { transform: translateY(-1px); box-shadow: 0 5px 16px rgba(45, 140, 90, 0.35); }
      .nav-cta::after { display: none !important; }

      /* ==================== Container ==================== */
      .container { max-width: 1280px; margin: 0 auto; padding: 0 48px; }

      /* ==================== Hero ==================== */
      .hero {
        position: relative;
        padding: 140px 0 70px;
        background: linear-gradient(180deg, #F4FBF6 0%, #FFFFFF 100%);
        overflow: hidden;
      }
      .hero::before {
        content: ''; position: absolute;
        top: -200px; right: -200px;
        width: 600px; height: 600px;
        background: radial-gradient(circle, rgba(67, 160, 71, 0.08) 0%, transparent 70%);
        border-radius: 50%;
      }
      .hero::after {
        content: ''; position: absolute;
        bottom: -200px; left: -200px;
        width: 500px; height: 500px;
        background: radial-gradient(circle, rgba(45, 140, 90, 0.06) 0%, transparent 70%);
        border-radius: 50%;
      }
      .hero-content { text-align: center; position: relative; z-index: 1; }
      .hero-tag {
        display: inline-flex; align-items: center; gap: 8px;
        padding: 6px 14px;
        background: var(--green-light);
        color: var(--green-primary);
        border-radius: 20px;
        font-size: 13px; font-weight: 500;
        margin-bottom: 20px;
        letter-spacing: 0.5px;
      }
      .hero-tag::before {
        content: ''; width: 6px; height: 6px;
        background: var(--green-accent); border-radius: 50%;
        animation: pulse 2s infinite;
      }
      @keyframes pulse {
        0%, 100% { opacity: 1; transform: scale(1); }
        50% { opacity: 0.6; transform: scale(1.4); }
      }
      .hero-title {
        font-size: 44px; font-weight: 800;
        color: var(--text-dark);
        margin-bottom: 16px;
        line-height: 1.3;
        letter-spacing: -0.5px;
      }
      .hero-title .accent {
        background: linear-gradient(135deg, var(--green-primary) 0%, var(--green-accent) 100%);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
      }
      .hero-subtitle {
        font-size: 16px;
        color: var(--text-secondary);
        max-width: 600px;
        margin: 0 auto 32px;
      }
      .hero-stats {
        display: flex; justify-content: center;
        gap: 60px;
        margin-top: 40px;
        padding: 28px 40px;
        background: white;
        border-radius: 16px;
        box-shadow: var(--shadow-md);
        max-width: 720px;
        margin-left: auto; margin-right: auto;
        border: 1px solid var(--border-soft);
      }
      .hero-stat { text-align: center; }
      .hero-stat-num {
        font-size: 32px; font-weight: 800;
        background: linear-gradient(135deg, var(--green-primary) 0%, var(--green-accent) 100%);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        line-height: 1.2;
      }
      .hero-stat-label {
        font-size: 13px;
        color: var(--text-muted);
        margin-top: 4px;
      }

      /* ==================== Section Tabs ==================== */
      .section-tabs {
        position: sticky;
        top: 70px;
        z-index: 50;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border-soft);
      }
      .tabs-inner {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 48px;
        display: flex;
        gap: 4px;
      }
      .tab {
        padding: 16px 24px;
        font-size: 14px;
        font-weight: 500;
        color: var(--text-secondary);
        cursor: pointer;
        position: relative;
        transition: color 0.2s;
      }
      .tab:hover { color: var(--green-primary); }
      .tab.active { color: var(--green-primary); font-weight: 600; }
      .tab.active::after {
        content: '';
        position: absolute;
        bottom: 0; left: 24px; right: 24px;
        height: 3px;
        background: linear-gradient(90deg, var(--green-primary) 0%, var(--green-accent) 100%);
        border-radius: 3px 3px 0 0;
      }

      /* ==================== Section ==================== */
      .section { padding: 80px 0; position: relative; }
      .section-alt { background: linear-gradient(180deg, #FFFFFF 0%, #F4FBF6 50%, #FFFFFF 100%); }
      .section-header { text-align: center; margin-bottom: 50px; }
      .section-tag {
        display: inline-block;
        font-size: 12px; font-weight: 600;
        color: var(--green-accent);
        letter-spacing: 3px;
        margin-bottom: 12px;
      }
      .section-title {
        font-size: 36px; font-weight: 800;
        color: var(--text-dark);
        margin-bottom: 12px;
        letter-spacing: -0.5px;
      }
      .section-title .accent {
        color: var(--green-primary);
        position: relative;
      }
      .section-title .accent::after {
        content: '';
        position: absolute;
        bottom: 0; left: 0; right: 0;
        height: 8px;
        background: rgba(67, 160, 71, 0.15);
        border-radius: 4px;
        z-index: -1;
      }
      .section-subtitle {
        font-size: 15px;
        color: var(--text-secondary);
        max-width: 600px;
        margin: 0 auto;
      }

      /* ==================== Filter Bar ==================== */
      .filter-bar {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
        margin-bottom: 40px;
        padding: 20px;
        background: white;
        border-radius: 16px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-soft);
      }
      .filter-chip {
        padding: 8px 16px;
        font-size: 13px;
        color: var(--text-secondary);
        background: var(--bg-soft);
        border: 1px solid transparent;
        border-radius: 20px;
        cursor: pointer;
        transition: all 0.2s;
        font-family: inherit;
      }
      .filter-chip:hover {
        color: var(--green-primary);
        background: var(--green-light);
      }
      .filter-chip.active {
        color: white;
        background: linear-gradient(135deg, var(--green-primary) 0%, var(--green-accent) 100%);
        border-color: transparent;
        box-shadow: 0 3px 8px rgba(45, 140, 90, 0.3);
      }

      /* ==================== Expert Grid ==================== */
      .expert-grid {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: 20px;
      }
      .expert-card {
        background: white;
        border-radius: 16px;
        padding: 24px 16px;
        text-align: center;
        border: 1px solid var(--border-soft);
        transition: all 0.3s;
        cursor: default;
      }
      .expert-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
        border-color: var(--green-lighter);
      }
      .expert-avatar {
        width: 88px; height: 88px;
        border-radius: 50%;
        margin: 0 auto 14px;
        overflow: hidden;
        background: var(--green-light);
        border: 3px solid white;
        box-shadow: 0 4px 12px rgba(45, 140, 90, 0.15);
        position: relative;
      }
      .expert-avatar img {
        width: 100%; height: 100%;
        object-fit: cover;
        object-position: center top;
      }
      .expert-card:hover .expert-avatar {
        border-color: var(--green-lighter);
        box-shadow: 0 6px 16px rgba(45, 140, 90, 0.25);
      }
      .expert-name {
        font-size: 15px;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 2px;
      }
      .expert-title {
        font-size: 11px;
        color: var(--green-accent);
        font-weight: 500;
        margin-bottom: 6px;
        letter-spacing: 0.5px;
      }
      .expert-dept {
        font-size: 12px;
        color: var(--text-muted);
        line-height: 1.4;
      }
      .expert-empty {
        grid-column: 1 / -1;
        text-align: center;
        padding: 60px 0;
        color: var(--text-muted);
        font-size: 14px;
      }

      /* ==================== Department Grid ==================== */
      .dept-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
      }
      .dept-card {
        background: white;
        border-radius: 20px;
        padding: 28px 24px;
        border: 1px solid var(--border-soft);
        transition: all 0.3s;
        position: relative;
        overflow: hidden;
      }
      .dept-card::before {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--green-primary) 0%, var(--green-accent) 100%);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.3s;
      }
      .dept-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
        border-color: var(--green-lighter);
      }
      .dept-card:hover::before { transform: scaleX(1); }

      .dept-header {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 16px;
        padding-bottom: 14px;
        border-bottom: 1px solid var(--border-soft);
      }
      .dept-icon {
        width: 48px; height: 48px;
        border-radius: 12px;
        background: linear-gradient(135deg, var(--green-light) 0%, var(--green-lighter) 100%);
        display: flex; align-items: center; justify-content: center;
        overflow: hidden;
        flex-shrink: 0;
      }
      .dept-icon img { width: 100%; height: 100%; object-fit: cover; }
      .dept-name {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-dark);
      }
      .dept-list {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
      }
      .dept-list span {
        font-size: 12px;
        color: var(--text-secondary);
        padding: 4px 10px;
        background: var(--bg-soft);
        border-radius: 12px;
        line-height: 1.4;
      }

      /* ==================== Advantages Grid ==================== */
      .adv-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }
      .adv-card {
        display: flex;
        gap: 20px;
        padding: 24px;
        background: white;
        border-radius: 16px;
        border: 1px solid var(--border-soft);
        transition: all 0.3s;
      }
      .adv-card:hover {
        transform: translateX(4px);
        box-shadow: var(--shadow-md);
        border-color: var(--green-lighter);
      }
      .adv-num {
        flex-shrink: 0;
        width: 56px; height: 56px;
        border-radius: 16px;
        background: linear-gradient(135deg, var(--green-light) 0%, var(--green-lighter) 100%);
        color: var(--green-primary);
        display: flex; align-items: center; justify-content: center;
        font-size: 22px; font-weight: 800;
        font-family: 'SF Mono', Monaco, monospace;
        transition: all 0.3s;
      }
      .adv-card:hover .adv-num {
        background: linear-gradient(135deg, var(--green-primary) 0%, var(--green-accent) 100%);
        color: white;
        box-shadow: 0 4px 12px rgba(45, 140, 90, 0.3);
      }
      .adv-body h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 6px;
      }
      .adv-body p {
        font-size: 13.5px;
        color: var(--text-secondary);
        line-height: 1.7;
      }

      /* ==================== CTA Section ==================== */
      .cta-section {
        padding: 80px 0;
        background: linear-gradient(135deg, var(--green-primary) 0%, var(--green-accent) 100%);
        position: relative;
        overflow: hidden;
      }
      .cta-section::before {
        content: '';
        position: absolute;
        top: -50%; right: -10%;
        width: 500px; height: 500px;
        background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
        border-radius: 50%;
      }
      .cta-section::after {
        content: '';
        position: absolute;
        bottom: -50%; left: -10%;
        width: 500px; height: 500px;
        background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
        border-radius: 50%;
      }
      .cta-content {
        position: relative;
        z-index: 1;
        text-align: center;
        color: white;
      }
      .cta-content h2 {
        font-size: 36px; font-weight: 800;
        margin-bottom: 16px;
        letter-spacing: -0.5px;
      }
      .cta-content p {
        font-size: 16px;
        opacity: 0.9;
        margin-bottom: 32px;
        max-width: 600px;
        margin-left: auto; margin-right: auto;
      }
      .cta-actions { display: flex; gap: 16px; justify-content: center; }
      .btn {
        display: inline-flex; align-items: center; gap: 8px;
        padding: 12px 28px;
        border-radius: 24px;
        font-size: 14px; font-weight: 500;
        border: none; cursor: pointer;
        transition: all 0.25s;
        text-decoration: none;
      }
      .btn-white {
        background: white;
        color: var(--green-primary);
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
      }
      .btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15); }
      .btn-outline-white {
        background: transparent;
        color: white;
        border: 1.5px solid rgba(255, 255, 255, 0.5);
      }
      .btn-outline-white:hover { background: rgba(255, 255, 255, 0.15); border-color: white; }
      .btn svg { width: 16px; height: 16px; }

      /* ==================== Footer ==================== */
      .footer {
        background: #1A2E25;
        color: rgba(255, 255, 255, 0.7);
        padding: 60px 0 24px;
      }
      .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
      }
      .footer-brand .logo { color: white; margin-bottom: 16px; }
      .footer-brand .logo-text .name { color: white; }
      .footer-brand p { font-size: 13px; line-height: 1.8; max-width: 360px; }
      .footer-col h4 {
        color: white; font-size: 14px; font-weight: 600;
        margin-bottom: 16px; letter-spacing: 1px;
      }
      .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
      .footer-col a {
        font-size: 13px; color: rgba(255, 255, 255, 0.6);
        transition: color 0.2s;
      }
      .footer-col a:hover { color: white; }
      .footer-bottom {
        padding-top: 24px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        display: flex; justify-content: space-between; align-items: center;
        font-size: 12px; color: rgba(255, 255, 255, 0.5);
      }
      .footer-bottom-links { display: flex; gap: 24px; }
      .footer-bottom-links a { color: rgba(255, 255, 255, 0.5); font-size: 12px; transition: color 0.2s; }
      .footer-bottom-links a:hover { color: white; }

      /* ==================== Animations ==================== */
      @keyframes fadeInUp {
        from { opacity: 0; transform: translateY(20px); }
        to { opacity: 1; transform: translateY(0); }
      }
      .reveal {
        opacity: 0;
        transition: opacity 0.8s ease, transform 0.8s ease;
        transform: translateY(20px);
      }
      .reveal.in { opacity: 1; transform: translateY(0); }

      /* ==================== Version Switch ==================== */
      .version-switch {
        position: fixed;
        right: 24px; bottom: 24px;
        z-index: 99;
        background: white;
        color: var(--green-primary);
        padding: 10px 16px;
        border-radius: 24px;
        font-size: 12px; font-weight: 500;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        display: inline-flex; align-items: center; gap: 6px;
        border: 1px solid var(--green-light);
        transition: all 0.25s;
      }
      .version-switch:hover {
        background: var(--green-light);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
      }
      .version-switch svg { width: 14px; height: 14px; }