*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    body {
      font-family: 'Noto Sans SC', 'PingFang SC', sans-serif;
      background: #f8fafc;
      color: #1e293b;
      line-height: 1.6;
    }

    a { text-decoration: none; color: inherit; }

    /* ===== NAVBAR ===== */
    .navbar {
      background: #fff;
      border-bottom: 1px solid #e8edf3;
      position: sticky;
      top: 0;
      z-index: 100;
    }
    .nav-inner {
      max-width: 1100px;
      margin: 0 auto;
      padding: 0 24px;
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .logo { display: flex; align-items: center; gap: 4px; }
    .logo-icon {
      background: linear-gradient(135deg, #1a56db, #3b82f6);
      color: #fff;
      font-weight: 700;
      font-size: 16px;
      padding: 4px 8px;
      border-radius: 6px;
    }
    .logo-text { font-size: 17px; font-weight: 600; color: #1e293b; }
    .nav-links { display: flex; gap: 28px; font-size: 14px; color: #475569; }
    .nav-links a:hover { color: #1a56db; }
    .btn-nav {
      background: #1a56db;
      color: #fff;
      padding: 8px 20px;
      border-radius: 8px;
      font-size: 14px;
      transition: background .2s;
    }
    .btn-nav:hover { background: #1447c0; }

    /* ===== HERO ===== */
    .hero {
      background: linear-gradient(135deg, #1a56db 0%, #2563eb 50%, #1d4ed8 100%);
      color: #fff;
      text-align: center;
      padding: 80px 24px 70px;
    }
    .hero-tag {
      display: inline-block;
      background: rgba(255,255,255,0.15);
      border: 1px solid rgba(255,255,255,0.3);
      border-radius: 20px;
      padding: 4px 16px;
      font-size: 13px;
      margin-bottom: 20px;
    }
    .hero h1 { font-size: 38px; font-weight: 700; margin-bottom: 14px; }
    .hero p { font-size: 16px; opacity: .85; max-width: 520px; margin: 0 auto 32px; }
    .hero-stats {
      display: flex;
      justify-content: center;
      gap: 40px;
      flex-wrap: wrap;
    }
    .hero-stats .stat { text-align: center; }
    .hero-stats .num { font-size: 28px; font-weight: 700; }
    .hero-stats .label { font-size: 13px; opacity: .75; margin-top: 2px; }

    /* ===== SECTION ===== */
    .section { padding: 60px 24px; }
    .section-title {
      text-align: center;
      font-size: 26px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .section-sub {
      text-align: center;
      color: #64748b;
      font-size: 14px;
      margin-bottom: 40px;
    }
    .container { max-width: 1000px; margin: 0 auto; }

    /* ===== WHY JOIN ===== */
    .why-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .why-card {
      background: #fff;
      border-radius: 12px;
      padding: 28px 24px;
      text-align: center;
      border: 1px solid #e8edf3;
      transition: box-shadow .2s, transform .2s;
    }
    .why-card:hover { box-shadow: 0 6px 24px rgba(26,86,219,.1); transform: translateY(-3px); }
    .why-icon {
      font-size: 36px;
      margin-bottom: 14px;
    }
    .why-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
    .why-card p { font-size: 13px; color: #64748b; line-height: 1.7; }

    /* ===== JOBS ===== */
    .jobs-section { background: #fff; }
    .jobs-filter {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 28px;
    }
    .filter-btn {
      padding: 7px 18px;
      border-radius: 20px;
      font-size: 13px;
      border: 1px solid #d1d9e6;
      background: #fff;
      cursor: pointer;
      transition: all .2s;
      color: #475569;
    }
    .filter-btn.active, .filter-btn:hover {
      background: #1a56db;
      color: #fff;
      border-color: #1a56db;
    }
    .job-list { display: flex; flex-direction: column; gap: 14px; }
    .job-card {
      border: 1px solid #e8edf3;
      border-radius: 12px;
      padding: 22px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: box-shadow .2s, border-color .2s;
      cursor: pointer;
      background: #fff;
    }
    .job-card:hover { border-color: #1a56db; box-shadow: 0 4px 16px rgba(26,86,219,.08); }
    .job-left { display: flex; flex-direction: column; gap: 8px; }
    .job-title { font-size: 16px; font-weight: 600; color: #1e293b; }
    .job-meta { display: flex; gap: 12px; flex-wrap: wrap; }
    .job-tag {
      font-size: 12px;
      background: #eff6ff;
      color: #1a56db;
      padding: 3px 10px;
      border-radius: 4px;
    }
    .job-tag.orange { background: #fff7ed; color: #ea580c; }
    .job-tag.green  { background: #f0fdf4; color: #16a34a; }
    .job-salary {
      font-size: 18px;
      font-weight: 700;
      color: #1a56db;
      white-space: nowrap;
    }
    .job-arrow { color: #94a3b8; margin-left: 16px; font-size: 18px; }

    /* Job Detail Modal */
    .modal-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,.45);
      z-index: 500;
      align-items: center;
      justify-content: center;
    }
    .modal-overlay.open { display: flex; }
    .modal {
      background: #fff;
      border-radius: 16px;
      width: 94%;
      max-width: 560px;
      padding: 36px 32px;
      position: relative;
      max-height: 85vh;
      overflow-y: auto;
      animation: slideUp .25s ease;
    }
    @keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
    .modal-close {
      position: absolute;
      top: 16px; right: 20px;
      font-size: 22px;
      cursor: pointer;
      color: #94a3b8;
      border: none;
      background: none;
      line-height: 1;
    }
    .modal-close:hover { color: #475569; }
    .modal h2 { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
    .modal-meta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
    .modal-section { margin-bottom: 18px; }
    .modal-section h4 { font-size: 14px; font-weight: 600; color: #1a56db; margin-bottom: 8px; }
    .modal-section ul { padding-left: 18px; }
    .modal-section li { font-size: 14px; color: #475569; margin-bottom: 5px; }
    .modal-apply {
      background: #1a56db;
      color: #fff;
      border: none;
      border-radius: 8px;
      padding: 12px 36px;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      width: 100%;
      margin-top: 8px;
      transition: background .2s;
    }
    .modal-apply:hover { background: #1447c0; }

    /* ===== APPLY FORM ===== */
    .apply-section { background: #f8fafc; }
    .apply-wrap {
      background: #fff;
      border-radius: 16px;
      border: 1px solid #e8edf3;
      padding: 40px 40px;
      max-width: 680px;
      margin: 0 auto;
    }
    .apply-wrap h2 { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
    .apply-wrap p { font-size: 14px; color: #64748b; margin-bottom: 28px; }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
    .form-group label { font-size: 13px; font-weight: 500; color: #374151; }
    .form-group input,
    .form-group select,
    .form-group textarea {
      border: 1px solid #d1d9e6;
      border-radius: 8px;
      padding: 10px 14px;
      font-size: 14px;
      font-family: inherit;
      transition: border-color .2s;
      outline: none;
      color: #1e293b;
      background: #fff;
    }
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      border-color: #1a56db;
      box-shadow: 0 0 0 3px rgba(26,86,219,.08);
    }
    .form-group textarea { resize: vertical; min-height: 90px; }
    .upload-area {
      border: 2px dashed #d1d9e6;
      border-radius: 8px;
      padding: 24px;
      text-align: center;
      cursor: pointer;
      transition: border-color .2s;
    }
    .upload-area:hover { border-color: #1a56db; }
    .upload-area .upload-icon { font-size: 28px; margin-bottom: 6px; }
    .upload-area p { font-size: 13px; color: #64748b; }
    .upload-area span { font-size: 12px; color: #94a3b8; }
    .submit-btn {
      background: #1a56db;
      color: #fff;
      border: none;
      border-radius: 8px;
      padding: 13px 0;
      width: 100%;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      transition: background .2s;
      margin-top: 8px;
    }
    .submit-btn:hover { background: #1447c0; }
    .form-note { text-align: center; font-size: 12px; color: #94a3b8; margin-top: 10px; }

    /* ===== SUCCESS ===== */
    .success-box {
      display: none;
      text-align: center;
      padding: 40px 20px;
    }
    .success-box.show { display: block; }
    .success-icon { font-size: 56px; margin-bottom: 16px; }
    .success-box h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
    .success-box p { color: #64748b; font-size: 14px; }

    /* ===== CULTURE ===== */
    .culture-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }
    .culture-card {
      background: #fff;
      border: 1px solid #e8edf3;
      border-radius: 12px;
      padding: 24px 20px;
      text-align: center;
    }
    .culture-card .icon { font-size: 32px; margin-bottom: 10px; }
    .culture-card h4 { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
    .culture-card p { font-size: 12px; color: #64748b; }

    /* ===== FOOTER ===== */
    footer {
      background: #0f172a;
      color: #94a3b8;
      text-align: center;
      padding: 28px 24px;
      font-size: 13px;
    }
    footer a { color: #64748b; }
    footer a:hover { color: #fff; }

    /* ===== FLOAT BTNS ===== */
    .float-btns {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 200;
    }
    .float-btn {
      width: 46px; height: 46px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      box-shadow: 0 4px 12px rgba(0,0,0,.15);
      cursor: pointer;
      transition: transform .2s;
      border: none;
    }
    .float-btn:hover { transform: scale(1.1); }
    .float-btn.phone { background: #16a34a; color: #fff; }
    .float-btn.top   { background: #fff; color: #475569; border: 1px solid #e8edf3; }

    /* ===== RESPONSIVE ===== */
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .hero h1 { font-size: 28px; }
      .why-grid { grid-template-columns: 1fr; }
      .culture-grid { grid-template-columns: repeat(2, 1fr); }
      .form-row { grid-template-columns: 1fr; }
      .apply-wrap { padding: 28px 20px; }
      .job-card { flex-direction: column; align-items: flex-start; gap: 12px; }
    }