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

    :root {
      --color-primary: #35C5F0;
      --color-primary-hover: #20B2E0;
      --color-primary-bg: #EBF8FD;
      --color-accent: #35C5F0;
      --color-accent-hover: #20B2E0;
      --color-bg: #FFFFFF;
      --color-bg-gray: #F7F8FA;
      --color-text: #2F3438;
      --color-text-sub: #828C94;
      --color-text-light: #C2C8CC;
      --color-border: #EAECEF;
      --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      --radius: 12px;
      --radius-lg: 20px;
      --shadow: 0 2px 12px rgba(0,0,0,0.06);
      --shadow-hover: 0 8px 30px rgba(0,0,0,0.1);
      --max-w: 1160px;
      --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    body {
      font-family: var(--font);
      color: var(--color-text);
      background: var(--color-bg);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; }

    .wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }

    /* ===== Header ===== */
    .header {
      position: sticky; top: 0; z-index: 100;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid transparent;
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    .header.scrolled {
      border-bottom-color: var(--color-border);
      box-shadow: 0 1px 8px rgba(0,0,0,0.04);
    }
    .header-inner {
      display: flex; align-items: center; justify-content: space-between;
      height: 64px; max-width: var(--max-w); margin: 0 auto; padding: 0 20px;
    }
    .logo {
      font-size: 22px; font-weight: 800; letter-spacing: -0.8px;
      color: var(--color-text); transition: opacity var(--transition);
    }
    .logo:hover { opacity: 0.7; }
    .logo b { color: var(--color-primary); }
    .nav { display: flex; gap: 8px; align-items: center; }
    .nav a {
      font-size: 14px; font-weight: 500; color: var(--color-text-sub);
      transition: color var(--transition), background var(--transition);
      padding: 8px 14px; border-radius: 8px; position: relative;
    }
    .nav a:hover { color: var(--color-text); background: var(--color-bg-gray); }
    .nav a.active { color: var(--color-primary); font-weight: 600; }
    .nav a.active::after {
      content: ''; position: absolute; bottom: -1px; left: 50%; transform: translateX(-50%);
      width: 20px; height: 2px; background: var(--color-primary); border-radius: 2px;
    }
    .nav-cta {
      background: var(--color-primary) !important; color: #fff !important;
      padding: 9px 20px !important; border-radius: 8px; font-weight: 600 !important;
      transition: background var(--transition), transform var(--transition) !important;
      display: inline-flex !important; align-items: center; gap: 6px;
      margin-left: 8px;
    }
    .nav-cta:hover { background: var(--color-primary-hover) !important; transform: translateY(-1px); }
    .nav-cta::after { display: none !important; }
    .hamburger { display: none; cursor: pointer; padding: 8px; background: none; border: none; }
    .hamburger span {
      display: block; width: 22px; height: 2px; background: var(--color-text);
      margin: 5px 0; border-radius: 2px; transition: all var(--transition);
    }
    .hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .hamburger.open span:nth-child(2) { opacity: 0; }
    .hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
    .mobile-menu {
      display: none; position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
      background: #fff; flex-direction: column; padding: 20px;
      gap: 4px; z-index: 200; overflow-y: auto;
    }
    .mobile-menu.active { display: flex; }
    .mobile-menu a {
      font-size: 16px; font-weight: 500; padding: 16px; color: var(--color-text);
      border-radius: 10px; transition: background var(--transition);
    }
    .mobile-menu a:hover { background: var(--color-bg-gray); }
    .mobile-menu a.active { color: var(--color-primary); font-weight: 600; background: var(--color-primary-bg); }
    .mobile-menu .nav-cta {
      background: var(--color-primary) !important; color: #fff !important;
      text-align: center; padding: 16px !important; border-radius: 10px;
      border: none; margin-top: 12px; font-weight: 600;
      display: flex; align-items: center; justify-content: center; gap: 6px;
    }

    /* ===== Hero ===== */
    .hero {
      position: relative;
      padding: 100px 0 80px;
      background: linear-gradient(180deg, #F0FBFF 0%, #fff 100%);
      overflow: hidden;
    }
    .hero-grid {
      display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
    }
    .hero-tag {
      display: inline-flex; align-items: center; gap: 6px;
      background: var(--color-primary-bg); color: var(--color-primary);
      padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 600;
      margin-bottom: 24px;
    }
    .hero h1 {
      font-size: 44px; font-weight: 800; line-height: 1.2;
      letter-spacing: -1.2px; margin-bottom: 20px; color: var(--color-text);
    }
    .hero h1 span { color: var(--color-primary); }
    .hero-desc {
      font-size: 17px; color: var(--color-text-sub); line-height: 1.7;
      margin-bottom: 36px; max-width: 440px;
    }
    .hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
    .btn {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 14px 28px; border-radius: 10px; font-size: 16px; font-weight: 600;
      cursor: pointer; transition: all var(--transition); border: none; font-family: var(--font);
    }
    .btn-fill { background: var(--color-primary); color: #fff; }
    .btn-fill:hover { background: var(--color-primary-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(53,197,240,0.3); }
    .btn-ghost { background: #fff; color: var(--color-text); border: 1.5px solid var(--color-border); }
    .btn-ghost:hover { border-color: var(--color-text-sub); background: var(--color-bg-gray); }
    .hero-visual-wrap {
      position: relative;
      padding: 24px 0;
    }
    .hero-visual {
      position: relative; border-radius: var(--radius-lg); overflow: hidden;
      aspect-ratio: 4/3; background: linear-gradient(135deg, #E0F7FA, #B2EBF2, #80DEEA);
      display: flex; align-items: center; justify-content: center; flex-direction: column;
      box-shadow: var(--shadow-hover);
    }
    .hero-visual-text { font-size: 14px; color: var(--color-text-light); text-align: center; }
    .hero-visual .material-icons-outlined.placeholder-icon { font-size: 48px; color: rgba(255,255,255,0.5); margin-bottom: 8px; }
    /* floating elements */
    .hero-float {
      position: absolute; border-radius: var(--radius); background: #fff;
      padding: 14px 18px; box-shadow: var(--shadow-hover);
      display: flex; align-items: center; gap: 10px;
      animation: float 3s ease-in-out infinite;
      font-size: 14px; font-weight: 600;
    }
    .hero-float .material-icons-outlined { font-size: 20px; color: var(--color-primary); }
    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-8px); }
    }

    /* ===== Stats ===== */
    .stats {
      padding: 56px 0;
      border-bottom: 1px solid var(--color-border);
    }
    .stats-grid {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
    }
    .stat-item {
      text-align: center; padding: 24px 16px;
      border-radius: var(--radius); background: var(--color-bg-gray);
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .stat-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .stat-icon {
      width: 48px; height: 48px; margin: 0 auto 14px;
      display: flex; align-items: center; justify-content: center;
      background: var(--color-primary-bg); border-radius: 12px;
    }
    .stat-icon .material-icons-outlined { font-size: 24px; color: var(--color-primary); }
    .stat-num { font-size: 24px; font-weight: 800; margin-bottom: 4px; }
    .stat-label { font-size: 13px; color: var(--color-text-sub); font-weight: 500; }

    /* ===== Section ===== */
    .section { padding: 80px 0; }
    .section-gray { background: var(--color-bg-gray); }
    .section-head {
      display: flex; justify-content: space-between; align-items: flex-end;
      margin-bottom: 36px; flex-wrap: wrap; gap: 12px;
    }
    .section-head h2 { font-size: 26px; font-weight: 800; letter-spacing: -0.5px; }
    .section-head p { font-size: 15px; color: var(--color-text-sub); margin-top: 6px; }
    .section-head .more {
      font-size: 14px; font-weight: 600; color: var(--color-text-sub);
      display: inline-flex; align-items: center; gap: 4px;
      transition: color var(--transition);
    }
    .section-head .more:hover { color: var(--color-text); }

    /* ===== Products ===== */
    .products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .product-card {
      display: block;
      background: #fff; border-radius: var(--radius); overflow: hidden;
      border: 1px solid var(--color-border);
      transition: transform var(--transition), box-shadow var(--transition);
      cursor: pointer;
    }
    .product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
    .product-img {
      position: relative; width: 100%; aspect-ratio: 1/1;
      background: var(--color-bg-gray);
      display: flex; align-items: center; justify-content: center;
      overflow: hidden; flex-direction: column; gap: 6px;
    }
    .product-img .material-icons-outlined { font-size: 36px; color: var(--color-border); }
    .product-img-inner {
      font-size: 13px; color: var(--color-text-light);
      transition: transform var(--transition);
    }
    .product-card:hover .product-img-inner { transform: scale(1.05); }
    .product-badge-wrap { position: absolute; top: 12px; left: 12px; display: flex; gap: 6px; }
    .badge {
      padding: 4px 10px; border-radius: 6px; font-size: 11px; font-weight: 700;
    }
    .badge-eco { background: #E8F5E9; color: #2E7D32; }
    .badge-new { background: var(--color-primary-bg); color: var(--color-primary); }
    .product-body { padding: 16px; }
    .product-cat { font-size: 12px; color: var(--color-text-sub); font-weight: 500; margin-bottom: 6px; }
    .product-name { font-size: 16px; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
    .product-price { font-size: 15px; font-weight: 700; color: var(--color-primary); }
    .product-price em { font-style: normal; font-size: 13px; color: var(--color-text-light); font-weight: 400; text-decoration: line-through; margin-left: 6px; }

    /* ===== Process ===== */
    .process {
      padding: 100px 0;
      background: var(--color-primary-bg);
      color: var(--color-text);
      overflow: hidden;
    }
    .process-head { text-align: center; margin-bottom: 56px; }
    .process-head h2 { font-size: 30px; font-weight: 800; margin-bottom: 12px; }
    .process-head p { font-size: 16px; color: var(--color-text-sub); }
    .process-timeline {
      display: flex; justify-content: center; gap: 0; position: relative;
      max-width: 900px; margin: 0 auto;
    }
    .process-step {
      flex: 1; text-align: center; position: relative; padding: 0 8px;
    }
    .process-dot {
      width: 60px; height: 60px; margin: 0 auto 16px;
      background: #fff; border: 1.5px solid var(--color-border);
      border-radius: 16px;
      display: flex; align-items: center; justify-content: center;
      transition: all var(--transition);
      box-shadow: var(--shadow);
    }
    .process-step:hover .process-dot {
      background: var(--color-primary); border-color: var(--color-primary);
      transform: translateY(-4px); box-shadow: 0 8px 24px rgba(53,197,240,0.3);
    }
    .process-dot .material-icons-outlined { font-size: 26px; color: var(--color-primary); }
    .process-step:hover .process-dot .material-icons-outlined { color: #fff; }
    .process-num { font-size: 11px; font-weight: 700; color: var(--color-primary); letter-spacing: 1px; margin-bottom: 6px; }
    .process-label { font-size: 14px; font-weight: 600; }
    .process-sub { font-size: 12px; color: var(--color-text-light); margin-top: 4px; }
    .process-line {
      position: absolute; top: 48px; left: calc(50% + 30px); width: calc(100% - 60px);
      height: 1px; background: var(--color-border);
    }
    .process-step:last-child .process-line { display: none; }
    .process-cta { text-align: center; margin-top: 48px; }
    .btn-outline-white {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 14px 28px; border-radius: 10px; font-size: 15px; font-weight: 600;
      background: #fff; color: var(--color-text); border: 1.5px solid var(--color-border);
      cursor: pointer; transition: all var(--transition); font-family: var(--font);
    }
    .btn-outline-white:hover { border-color: var(--color-primary); color: var(--color-primary); }

    /* ===== Portfolio ===== */
    .portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .portfolio-card {
      border-radius: var(--radius); overflow: hidden; cursor: pointer;
      transition: transform var(--transition), box-shadow var(--transition);
      position: relative;
      border: 1px solid var(--color-border);
      background: #fff;
    }
    .portfolio-card:hover { box-shadow: var(--shadow-hover); }
    .portfolio-card:hover { transform: translateY(-4px); }
    .portfolio-img {
      width: 100%; aspect-ratio: 4/3;
      background: var(--color-bg-gray);
      display: flex; align-items: center; justify-content: center;
      font-size: 14px; color: var(--color-text-light);
      position: relative; overflow: hidden;
      flex-direction: column; gap: 8px;
    }
    .portfolio-img .material-icons-outlined { font-size: 40px; color: var(--color-border); }
    .portfolio-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.5) 100%);
      opacity: 0; transition: opacity var(--transition);
      display: flex; align-items: flex-end; padding: 20px;
      color: #fff; font-size: 14px; font-weight: 600;
    }
    .portfolio-card:hover .portfolio-overlay { opacity: 1; }
    .portfolio-info { padding: 14px 16px; }
    .portfolio-name { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
    .portfolio-tag { font-size: 13px; color: var(--color-text-sub); }

    /* ===== CTA ===== */
    .cta-section {
      padding: 72px 0;
      background: linear-gradient(135deg, #E8F8FD, #D0F0FC);
      text-align: center;
    }
    .cta-section h2 { font-size: 28px; font-weight: 800; margin-bottom: 12px; }
    .cta-section p { font-size: 16px; color: var(--color-text-sub); margin-bottom: 32px; }
    .cta-btns { display: flex; justify-content: center; gap: 16px; align-items: center; flex-wrap: wrap; }
    .cta-phone {
      font-size: 17px; font-weight: 700; color: var(--color-text);
      display: inline-flex; align-items: center; gap: 6px;
    }

    /* ===== Footer ===== */
    .footer {
      padding: 48px 0 28px; background: var(--color-bg-gray);
      color: var(--color-text-sub); font-size: 13px; line-height: 1.9;
      border-top: 1px solid var(--color-border);
    }
    .footer-inner {
      display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap;
      max-width: var(--max-w); margin: 0 auto; padding: 0 20px;
    }
    .footer-logo { font-size: 18px; font-weight: 800; color: var(--color-text); margin-bottom: 14px; }
    .footer-links { display: flex; gap: 20px; }
    .footer-links a { color: var(--color-text-sub); transition: color var(--transition); }
    .footer-links a:hover { color: var(--color-text); }
    .footer-copy {
      text-align: center; padding-top: 24px; margin-top: 24px;
      border-top: 1px solid var(--color-border);
      max-width: var(--max-w); margin-left: auto; margin-right: auto; padding-left: 20px; padding-right: 20px;
    }

    /* ===== Responsive ===== */
    @media (max-width: 768px) {
      .nav { display: none; }
      .hamburger { display: block; }
      .hero { padding: 60px 0 48px; }
      .hero-grid { grid-template-columns: 1fr; gap: 36px; }
      .hero h1 { font-size: 32px; }
      .hero-visual { aspect-ratio: 16/10; }
      .hero-float { display: none; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
      .stat-item { padding: 16px 12px; }
      .products-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
      .process-timeline { flex-wrap: wrap; gap: 20px; }
      .process-line { display: none; }
      .portfolio-grid { grid-template-columns: 1fr; }
      .section { padding: 56px 0; }
      .section-head h2 { font-size: 22px; }
      .cta-btns { flex-direction: column; }
      .footer-inner { flex-direction: column; gap: 20px; }
    }

    /* ===== Scroll Animations ===== */
    .reveal {
      opacity: 0; transform: translateY(24px);
      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; }

    /* stagger children */
    .stagger > * {
      opacity: 0; transform: translateY(20px);
      transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
    .stagger.visible > *:nth-child(2) { transition-delay: 0.1s; }
    .stagger.visible > *:nth-child(3) { transition-delay: 0.15s; }
    .stagger.visible > *:nth-child(4) { transition-delay: 0.2s; }
    .stagger.visible > * { opacity: 1; transform: translateY(0); }

    /* ===== Modal ===== */
    .modal-overlay {
      position: fixed; inset: 0; z-index: 200;
      background: rgba(0,0,0,0.5); backdrop-filter: blur(4px);
      display: flex; align-items: center; justify-content: center;
      padding: 20px;
      opacity: 0; visibility: hidden;
      transition: opacity var(--transition), visibility var(--transition);
    }
    .modal-overlay.active { opacity: 1; visibility: visible; }
    .modal {
      background: #fff; border-radius: var(--radius-lg); max-width: 640px; width: 100%;
      max-height: 90vh; overflow-y: auto; position: relative;
      transform: translateY(20px); transition: transform var(--transition);
    }
    .modal-overlay.active .modal { transform: translateY(0); }
    .modal-close {
      position: absolute; top: 16px; right: 16px; z-index: 1;
      background: #fff; border: 1px solid var(--color-border); border-radius: 8px;
      width: 36px; height: 36px; cursor: pointer;
      display: flex; align-items: center; justify-content: center;
      transition: background var(--transition);
    }
    .modal-close:hover { background: var(--color-bg-gray); }
    .modal-close .material-icons-outlined { font-size: 20px; color: var(--color-text-sub); }
    .modal-body { padding: 32px; }
    .modal-product { display: flex; gap: 24px; margin-bottom: 8px; }
    .modal-img {
      width: 200px; min-width: 200px; aspect-ratio: 1/1; border-radius: var(--radius);
      background: var(--color-bg-gray); overflow: hidden;
      display: flex; align-items: center; justify-content: center;
    }
    .modal-img .material-icons-outlined { font-size: 40px; color: var(--color-border); }
    .modal-info { flex: 1; }
    .modal-info h3 { font-size: 20px; font-weight: 800; margin: 8px 0; }
    .modal-info p { font-size: 14px; color: var(--color-text-sub); line-height: 1.7; }
    .modal-specs { margin-top: 12px; }
    .spec-row { font-size: 13px; padding: 6px 0; border-bottom: 1px solid var(--color-border); color: var(--color-text-sub); }
    .spec-row strong { color: var(--color-text); margin-right: 8px; }
    .modal-divider { border: none; border-top: 1px solid var(--color-border); margin: 24px 0; }
    .modal-form h4 { font-size: 18px; font-weight: 700; margin-bottom: 20px; }
    .form-row { margin-bottom: 16px; }
    .form-row label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
    .form-row input, .form-row textarea {
      width: 100%; padding: 12px 14px; border: 1px solid var(--color-border);
      border-radius: 8px; font-size: 15px; font-family: var(--font);
      transition: border-color var(--transition); outline: none;
    }
    .form-row input:focus, .form-row textarea:focus { border-color: var(--color-primary); }
    .form-row textarea { resize: vertical; }
    .required { color: #E53935; }
    .checkbox-label {
      display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer;
    }
    .checkbox-label input[type="checkbox"] { width: 18px; height: 18px; cursor: pointer; }
    .checkbox-label a { color: var(--color-primary); text-decoration: underline; }
    .spinner {
      display: inline-block; width: 20px; height: 20px;
      border: 2.5px solid rgba(255,255,255,0.3);
      border-top-color: #fff;
      border-radius: 50%;
      animation: spin 0.6s linear infinite;
    }
    @keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

    @media (max-width: 768px) {
      .modal { max-width: 100%; border-radius: var(--radius) var(--radius) 0 0; align-self: flex-end; }
      .modal-product { flex-direction: column; }
      .modal-img { width: 100%; aspect-ratio: 16/10; }
    }

    /* ===== List Toolbar ===== */
    .list-toolbar {
      display: flex; justify-content: space-between; align-items: center;
      margin-bottom: 32px; gap: 16px; flex-wrap: wrap;
    }

    /* ===== Filter ===== */
    .filter-bar {
      display: flex; gap: 6px; flex-wrap: wrap;
      background: var(--color-bg-gray); padding: 4px; border-radius: 12px;
    }
    .filter-btn {
      padding: 8px 18px; border-radius: 10px; border: none;
      background: transparent; color: var(--color-text-sub); font-size: 14px; font-weight: 500;
      cursor: pointer; transition: all var(--transition); font-family: var(--font);
    }
    .filter-btn:hover { color: var(--color-text); }
    .filter-btn.active { background: #fff; color: var(--color-text); box-shadow: var(--shadow); font-weight: 600; }

    /* ===== Sort ===== */
    .sort-select {
      padding: 8px 32px 8px 14px; border-radius: 10px;
      border: 1px solid var(--color-border); background: #fff;
      font-size: 14px; font-weight: 500; color: var(--color-text);
      font-family: var(--font); cursor: pointer;
      appearance: none; -webkit-appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23828C94' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 10px center;
      transition: border-color var(--transition);
    }
    .sort-select:hover { border-color: var(--color-primary); }
    .sort-select:focus { outline: none; border-color: var(--color-primary); }

    /* ===== List CTA Banner ===== */
    .list-cta-banner {
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
      padding: 20px 24px; border-radius: var(--radius);
      background: var(--color-primary-bg); margin-bottom: 24px;
    }
    .list-cta-banner strong { font-size: 15px; display: block; margin-bottom: 2px; }
    .list-cta-banner span { font-size: 13px; color: var(--color-text-sub); }
    @media (max-width: 768px) {
      .list-cta-banner { flex-direction: column; text-align: center; }
    }

    /* ===== List Count ===== */
    .list-count {
      font-size: 14px; color: var(--color-text-sub); margin-bottom: 16px;
    }
    .list-count strong { color: var(--color-text); }
    .list-count-filter {
      display: inline-block; background: var(--color-primary-bg); color: var(--color-primary);
      padding: 2px 8px; border-radius: 4px; font-size: 12px; font-weight: 600; margin-left: 4px;
    }

    .pagination {
      display: flex; gap: 4px; justify-content: center; align-items: center; margin-top: 48px;
      background: var(--color-bg-gray); padding: 6px; border-radius: 12px;
      width: fit-content; margin-left: auto; margin-right: auto;
    }
    .page-btn {
      width: 36px; height: 36px; border-radius: 10px; border: none;
      background: transparent; color: var(--color-text-sub); font-size: 14px; font-weight: 600;
      cursor: pointer; transition: all var(--transition); font-family: var(--font);
      display: flex; align-items: center; justify-content: center;
    }
    .page-btn:hover { background: #fff; color: var(--color-text); box-shadow: var(--shadow); }
    .page-btn.active { background: #fff; color: var(--color-primary); box-shadow: var(--shadow); font-weight: 700; }
    .page-btn.page-arrow { color: var(--color-text-light); font-size: 18px; }
    .page-btn.page-arrow:hover { color: var(--color-primary); }

    /* ===== FAQ ===== */
    .faq-list { display: flex; flex-direction: column; gap: 12px; }
    .faq-item {
      border: 1px solid var(--color-border); border-radius: var(--radius);
      overflow: hidden; background: #fff;
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    .faq-item:hover { border-color: var(--color-primary); }
    .faq-item[open] {
      border-color: var(--color-primary);
      box-shadow: 0 4px 16px rgba(53,197,240,0.1);
    }
    .faq-question {
      display: flex; justify-content: space-between; align-items: center;
      padding: 22px 24px; cursor: pointer; font-size: 16px; font-weight: 600;
      list-style: none; transition: background var(--transition), color var(--transition);
      gap: 16px;
    }
    .faq-question:hover { background: var(--color-bg-gray); }
    .faq-question::-webkit-details-marker { display: none; }
    .faq-question span:first-child {
      display: flex; align-items: center; gap: 12px;
    }
    .faq-icon {
      transition: transform var(--transition), color var(--transition);
      color: var(--color-text-light); flex-shrink: 0;
    }
    .faq-item:hover .faq-icon { color: var(--color-primary); }
    .faq-item[open] .faq-icon { transform: rotate(180deg); color: var(--color-primary); }
    .faq-num {
      display: inline-flex; align-items: center; justify-content: center;
      width: 28px; height: 28px; border-radius: 8px;
      background: var(--color-primary-bg); color: var(--color-primary);
      font-size: 12px; font-weight: 800; flex-shrink: 0;
    }
    .faq-item[open] .faq-num {
      background: var(--color-primary); color: #fff;
    }
    .faq-answer {
      color: var(--color-text-sub); line-height: 1.9; font-size: 15px;
      border-top: 1px solid var(--color-border); margin: 0 24px; padding: 20px 0 24px;
    }

    /* ===== About Page ===== */
    .about-row {
      display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
      margin-bottom: 72px;
    }
    .about-row.reverse { direction: rtl; }
    .about-row.reverse > * { direction: ltr; }
    .about-img {
      aspect-ratio: 4/3; border-radius: var(--radius-lg); overflow: hidden;
      background: var(--color-bg-gray); display: flex; flex-direction: column;
      align-items: center; justify-content: center; gap: 8px;
      color: var(--color-text-light); font-size: 14px;
    }
    .about-img .material-icons-outlined { font-size: 40px; color: var(--color-border); }
    .about-text h3 { font-size: 24px; font-weight: 800; margin-bottom: 14px; }
    .about-text p { color: var(--color-text-sub); line-height: 1.8; font-size: 15px; }
    .about-link {
      display: inline-flex; align-items: center; gap: 4px; margin-top: 16px;
      font-size: 15px; font-weight: 600; color: var(--color-primary);
      transition: color var(--transition);
    }
    .about-link:hover { color: var(--color-primary-hover); }

    /* Cert Grid */
    .cert-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
    }
    .cert-item {
      text-align: center; padding: 32px 20px; background: #fff;
      border: 1px solid var(--color-border); border-radius: var(--radius);
    }
    .cert-item .material-icons-outlined { font-size: 32px; color: var(--color-primary); margin-bottom: 12px; }
    .cert-name { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
    .cert-desc { font-size: 13px; color: var(--color-text-sub); }

    /* ===== Process Page ===== */
    .process-row {
      display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
      margin-bottom: 24px;
    }
    .process-row.reverse { direction: rtl; }
    .process-row.reverse > * { direction: ltr; }
    .process-row-visual {
      aspect-ratio: 16/10; border-radius: var(--radius-lg); overflow: hidden;
      background: var(--color-bg-gray); display: flex; flex-direction: column;
      align-items: center; justify-content: center; gap: 8px;
      color: var(--color-text-light); font-size: 14px;
    }
    .process-row-visual .material-icons-outlined { font-size: 40px; color: var(--color-border); }
    .process-row-step {
      display: inline-flex; align-items: center; gap: 6px;
      font-size: 13px; font-weight: 700; color: var(--color-primary);
      margin-bottom: 12px;
    }
    .process-row-step .material-icons-outlined { font-size: 18px; }
    .process-row-content h3 { font-size: 24px; font-weight: 800; margin-bottom: 12px; }
    .process-row-content p { color: var(--color-text-sub); line-height: 1.8; font-size: 15px; margin-bottom: 16px; }
    .process-row-tags { display: flex; gap: 8px; flex-wrap: wrap; }
    .process-row-tags span {
      padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 500;
      background: var(--color-primary-bg); color: var(--color-primary);
    }
    .process-divider {
      text-align: center; padding: 16px 0; color: var(--color-border);
    }
    .process-divider .material-icons-outlined { font-size: 24px; }

    /* ===== Privacy Page ===== */
    .privacy-content h3 {
      font-size: 17px; font-weight: 700; margin: 32px 0 12px;
      padding-bottom: 8px; border-bottom: 1px solid var(--color-border);
    }
    .privacy-content p { color: var(--color-text-sub); line-height: 1.8; font-size: 15px; margin-bottom: 12px; }
    .privacy-content ul { padding-left: 20px; color: var(--color-text-sub); line-height: 2; font-size: 15px; margin-bottom: 12px; }
    .privacy-table {
      width: 100%; border-collapse: collapse; margin: 12px 0 20px; font-size: 14px;
    }
    .privacy-table th, .privacy-table td {
      padding: 10px 14px; border: 1px solid var(--color-border); text-align: left;
    }
    .privacy-table th { background: var(--color-bg-gray); font-weight: 600; }

    /* ===== Responsive additions ===== */
    @media (max-width: 768px) {
      .faq-question { padding: 16px; font-size: 15px; }
      .faq-answer { padding: 0 16px 16px; }
      .about-row, .about-row.reverse { grid-template-columns: 1fr; gap: 24px; direction: ltr; }
      .process-row, .process-row.reverse { grid-template-columns: 1fr; gap: 24px; direction: ltr; }
      .cert-grid { grid-template-columns: 1fr; }
    }