:root {
      --c-bg: #faf8f5;
      --c-surface: #ffffff;
      --c-surface-soft: #f4efe6;
      --c-text-main: #1f242e;
      --c-text-muted: #576071;
      --c-border: #1f242e;
      --c-yellow: #ffe566;
      --c-yellow-light: #fff9db;
      --c-pink: #ff8fab;
      --c-pink-light: #ffe5ec;
      --c-cyan: #70d6ff;
      --c-cyan-light: #e8f7ff;
      --c-purple: #c77dff;
      --c-purple-light: #f3e8ff;
      --c-green: #6ee7b7;
      --c-green-light: #ecfdf5;
      --c-orange: #ff9f1c;
      --shadow-pop: 4px 4px 0px #1f242e;
      --shadow-pop-sm: 2px 2px 0px #1f242e;
      --shadow-pop-lg: 6px 6px 0px #1f242e;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 999px;
      --max-w: 1200px;
      --transition: all 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--c-bg);
      background-image: 
        radial-gradient(var(--c-border) 0.75px, transparent 0.75px),
        radial-gradient(var(--c-pink) 0.5px, transparent 0.5px);
      background-size: 24px 24px, 48px 48px;
      background-position: 0 0, 12px 12px;
      color: var(--c-text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

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

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

    /* Pop Graffiti Components */
    .doodle-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      font-size: 0.875rem;
      font-weight: 700;
      border: 2px solid var(--c-border);
      border-radius: var(--radius-pill);
      background-color: var(--c-yellow);
      box-shadow: var(--shadow-pop-sm);
      transform: rotate(-1deg);
      margin-bottom: 14px;
    }

    .doodle-tag.pink {
      background-color: var(--c-pink);
      color: #fff;
      transform: rotate(1.5deg);
    }

    .doodle-tag.cyan {
      background-color: var(--c-cyan);
      transform: rotate(-1.5deg);
    }

    .doodle-tag.green {
      background-color: var(--c-green);
      transform: rotate(0.8deg);
    }

    .pop-card {
      background: var(--c-surface);
      border: 2px solid var(--c-border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-pop);
      padding: 24px;
      transition: var(--transition);
      position: relative;
    }

    .pop-card:hover {
      transform: translate(-2px, -2px);
      box-shadow: var(--shadow-pop-lg);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      font-size: 1rem;
      font-weight: 700;
      border: 2px solid var(--c-border);
      border-radius: var(--radius-pill);
      cursor: pointer;
      transition: var(--transition);
      box-shadow: var(--shadow-pop-sm);
      text-align: center;
      white-space: nowrap;
    }

    .btn:hover {
      transform: translate(-2px, -2px);
      box-shadow: var(--shadow-pop);
    }

    .btn:active {
      transform: translate(1px, 1px);
      box-shadow: 1px 1px 0px var(--c-border);
    }

    .btn-primary {
      background-color: var(--c-yellow);
      color: var(--c-text-main);
    }

    .btn-secondary {
      background-color: var(--c-cyan);
      color: var(--c-text-main);
    }

    .btn-dark {
      background-color: var(--c-border);
      color: #ffffff;
    }

    .btn-pink {
      background-color: var(--c-pink);
      color: #ffffff;
    }

    .section-header {
      text-align: center;
      margin-bottom: 40px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 900;
      color: var(--c-text-main);
      display: inline-block;
      position: relative;
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }

    .section-title::after {
      content: "";
      position: absolute;
      left: 5%;
      bottom: 2px;
      width: 90%;
      height: 10px;
      background: var(--c-yellow);
      z-index: -1;
      border-radius: 4px;
      transform: rotate(-0.5deg);
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--c-text-muted);
      max-width: 680px;
      margin: 0 auto;
    }

    /* Header Nav */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background-color: rgba(250, 248, 245, 0.95);
      backdrop-filter: blur(8px);
      border-bottom: 2px solid var(--c-border);
      padding: 12px 0;
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .nav-brand {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-logo-wrap {
      width: 42px;
      height: 42px;
      border: 2px solid var(--c-border);
      border-radius: var(--radius-sm);
      overflow: hidden;
      background: var(--c-yellow);
      box-shadow: var(--shadow-pop-sm);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 900;
      color: var(--c-text-main);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-badge {
      font-size: 0.75rem;
      background: var(--c-pink);
      color: #fff;
      padding: 2px 6px;
      border-radius: var(--radius-pill);
      border: 1.5px solid var(--c-border);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }

    .nav-item a {
      font-size: 0.925rem;
      font-weight: 700;
      padding: 8px 12px;
      color: var(--c-text-main);
      border-radius: var(--radius-pill);
      transition: var(--transition);
      display: block;
    }

    .nav-item a:hover {
      background-color: var(--c-yellow-light);
      color: var(--c-border);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .menu-toggle {
      display: none;
      background: var(--c-surface);
      border: 2px solid var(--c-border);
      border-radius: var(--radius-sm);
      padding: 8px;
      font-size: 1.2rem;
      cursor: pointer;
      box-shadow: var(--shadow-pop-sm);
    }

    /* Hero Section (Strictly NO IMAGES) */
    .hero-section {
      padding: 60px 0 50px;
      position: relative;
    }

    .hero-wrapper {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }

    .hero-h1 {
      font-size: 2.5rem;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      color: var(--c-text-main);
      text-shadow: 1px 1px 0px rgba(0,0,0,0.05);
    }

    .hero-h1 span.highlight {
      background: linear-gradient(120deg, var(--c-yellow) 0%, var(--c-pink-light) 100%);
      padding: 0 8px;
      border-radius: 6px;
      border: 2px dashed var(--c-border);
      display: inline-block;
      transform: rotate(-1deg);
    }

    .hero-lead {
      font-size: 1.15rem;
      color: var(--c-text-muted);
      margin-bottom: 30px;
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-bottom: 40px;
    }

    .btn-hero-main {
      font-size: 1.15rem;
      padding: 14px 32px;
      background-color: var(--c-yellow);
      border: 3px solid var(--c-border);
      box-shadow: var(--shadow-pop);
    }

    .hero-chips {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-top: 24px;
    }

    .hero-chip-item {
      font-size: 0.85rem;
      font-weight: 700;
      background: var(--c-surface);
      border: 1.5px solid var(--c-border);
      border-radius: var(--radius-pill);
      padding: 5px 14px;
      box-shadow: var(--shadow-pop-sm);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* Stats Grid */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 40px;
    }

    .stat-card {
      background: var(--c-surface);
      border: 2px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
      box-shadow: var(--shadow-pop);
      position: relative;
      overflow: hidden;
    }

    .stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 6px;
      background: var(--c-yellow);
    }

    .stat-card:nth-child(2)::before { background: var(--c-pink); }
    .stat-card:nth-child(3)::before { background: var(--c-cyan); }
    .stat-card:nth-child(4)::before { background: var(--c-green); }

    .stat-number {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--c-text-main);
      display: flex;
      align-items: baseline;
      justify-content: center;
      gap: 4px;
    }

    .stat-number small {
      font-size: 1rem;
    }

    .stat-label {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--c-text-muted);
      margin-top: 4px;
    }

    /* Sections Shared Spacing */
    .page-section {
      padding: 60px 0;
      border-top: 2px dashed rgba(31, 36, 46, 0.15);
    }

    /* Multi-Model Showcase */
    .model-tags-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      max-width: 1000px;
      margin: 0 auto 30px;
    }

    .model-pill {
      background: #fff;
      border: 1.5px solid var(--c-border);
      border-radius: var(--radius-pill);
      padding: 6px 14px;
      font-weight: 700;
      font-size: 0.875rem;
      box-shadow: var(--shadow-pop-sm);
      transition: var(--transition);
      cursor: default;
    }

    .model-pill:hover {
      transform: translateY(-3px) rotate(1deg);
      background: var(--c-yellow);
    }

    /* Services Grid */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 24px;
    }

    .service-card {
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .service-icon-box {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      border: 2px solid var(--c-border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 16px;
      box-shadow: var(--shadow-pop-sm);
    }

    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--c-text-main);
    }

    .service-card p {
      font-size: 0.925rem;
      color: var(--c-text-muted);
      flex-grow: 1;
      margin-bottom: 16px;
      line-height: 1.6;
    }

    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .service-subtag {
      font-size: 0.75rem;
      font-weight: 700;
      background: var(--c-surface-soft);
      padding: 3px 8px;
      border-radius: 4px;
      border: 1px solid var(--c-border);
    }

    /* Comparison Table & Rating */
    .rating-banner {
      background: var(--c-yellow-light);
      border: 2px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-pop);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 30px;
    }

    .rating-score-box {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-badge {
      background: var(--c-pink);
      color: #fff;
      font-size: 2rem;
      font-weight: 900;
      padding: 8px 18px;
      border-radius: var(--radius-md);
      border: 2px solid var(--c-border);
      box-shadow: var(--shadow-pop-sm);
    }

    .table-container {
      overflow-x: auto;
      background: #fff;
      border: 2px solid var(--c-border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-pop);
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1.5px solid rgba(31, 36, 46, 0.1);
      font-size: 0.95rem;
    }

    .comparison-table th {
      background: var(--c-surface-soft);
      font-weight: 800;
      color: var(--c-text-main);
      border-bottom: 2px solid var(--c-border);
    }

    .comparison-table tr:hover td {
      background: var(--c-yellow-light);
    }

    .comparison-table .highlight-col {
      background: rgba(255, 229, 102, 0.2);
      font-weight: 700;
    }

    .badge-check {
      display: inline-block;
      background: var(--c-green);
      color: var(--c-text-main);
      font-size: 0.75rem;
      font-weight: 800;
      padding: 2px 8px;
      border-radius: var(--radius-pill);
      border: 1.5px solid var(--c-border);
    }

    /* Process Flow */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .process-step {
      background: #fff;
      border: 2px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-pop);
      position: relative;
    }

    .step-num {
      width: 36px;
      height: 36px;
      background: var(--c-pink);
      color: #fff;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 2px solid var(--c-border);
      border-radius: var(--radius-pill);
      box-shadow: var(--shadow-pop-sm);
      margin-bottom: 12px;
    }

    /* Media Library & Gallery (Strictly Outside Hero) */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 30px;
    }

    .gallery-item {
      background: #fff;
      border: 2px solid var(--c-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-pop);
      transition: var(--transition);
    }

    .gallery-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-pop-lg);
    }

    .gallery-caption {
      padding: 14px;
      font-weight: 700;
      font-size: 0.95rem;
      border-top: 2px solid var(--c-border);
      background: var(--c-surface-soft);
    }

    /* Reviews Grid */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #fff;
      border: 2px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-pop);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-stars {
      color: var(--c-orange);
      font-size: 1.1rem;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 0.925rem;
      color: var(--c-text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1.5px dashed rgba(31,36,46,0.15);
      padding-top: 12px;
    }

    .user-avatar {
      width: 40px;
      height: 40px;
      border: 2px solid var(--c-border);
      border-radius: var(--radius-pill);
      background: var(--c-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
    }

    .user-info h4 {
      font-size: 0.95rem;
      font-weight: 800;
    }

    .user-info span {
      font-size: 0.8rem;
      color: var(--c-text-muted);
    }

    /* FAQ Accordion */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #fff;
      border: 2px solid var(--c-border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-pop-sm);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-question {
      padding: 16px 20px;
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--c-text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      background: #fff;
    }

    .faq-question:hover {
      background: var(--c-yellow-light);
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      font-weight: 900;
      transition: transform 0.2s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 20px 18px;
      font-size: 0.925rem;
      color: var(--c-text-muted);
      line-height: 1.65;
      border-top: 1px dashed rgba(31,36,46,0.1);
    }

    .faq-item.active .faq-answer {
      display: block;
      padding-top: 14px;
    }

    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
    }

    /* Forms & Contact Layout */
    .contact-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: stretch;
    }

    .form-box {
      background: #fff;
      border: 2px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-pop);
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 800;
      margin-bottom: 6px;
      color: var(--c-text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 2px solid var(--c-border);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      background: var(--c-surface);
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--c-border);
      box-shadow: var(--shadow-pop-sm);
      background: #fff;
    }

    textarea.form-control {
      min-height: 110px;
      resize: vertical;
    }

    .contact-info-box {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .info-card {
      background: #fff;
      border: 2px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-pop);
    }

    .qr-container {
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--c-green-light);
      border: 2px dashed var(--c-border);
      border-radius: var(--radius-sm);
      padding: 14px;
    }

    .qr-img-wrapper {
      width: 100px;
      height: 100px;
      border: 2px solid var(--c-border);
      border-radius: 6px;
      overflow: hidden;
      background: #fff;
      flex-shrink: 0;
    }

    /* Articles Section */
    .article-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 14px;
    }

    .article-link-tag {
      background: #fff;
      border: 1.5px solid var(--c-border);
      border-radius: var(--radius-pill);
      padding: 6px 14px;
      font-size: 0.85rem;
      font-weight: 700;
      box-shadow: var(--shadow-pop-sm);
      transition: var(--transition);
    }

    .article-link-tag:hover {
      background: var(--c-pink-light);
      transform: translateY(-2px);
    }

    /* Footer */
    .site-footer {
      background: #ffffff;
      border-top: 2px solid var(--c-border);
      padding: 40px 0 20px;
      margin-top: 40px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 30px;
    }

    .footer-col h4 {
      font-size: 1.05rem;
      font-weight: 900;
      margin-bottom: 14px;
      color: var(--c-text-main);
      display: inline-block;
      border-bottom: 2px solid var(--c-yellow);
      padding-bottom: 4px;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-links-list a {
      font-size: 0.9rem;
      color: var(--c-text-muted);
      transition: color 0.2s;
    }

    .footer-links-list a:hover {
      color: var(--c-text-main);
      font-weight: 700;
    }

    .friend-links-bar {
      border-top: 1.5px dashed rgba(31,36,46,0.15);
      padding: 16px 0;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      font-size: 0.85rem;
    }

    .friend-links-bar a {
      color: var(--c-text-muted);
      background: var(--c-surface-soft);
      padding: 3px 10px;
      border-radius: 4px;
      border: 1px solid var(--c-border);
    }

    .friend-links-bar a:hover {
      background: var(--c-yellow);
      color: var(--c-text-main);
    }

    .footer-bottom {
      border-top: 2px solid var(--c-border);
      padding-top: 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
      font-size: 0.85rem;
      color: var(--c-text-muted);
    }

    /* Floating Widget */
    .float-dock {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .dock-btn {
      width: 48px;
      height: 48px;
      border: 2px solid var(--c-border);
      border-radius: var(--radius-pill);
      background: var(--c-yellow);
      box-shadow: var(--shadow-pop);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.1rem;
      cursor: pointer;
      transition: var(--transition);
    }

    .dock-btn:hover {
      transform: scale(1.1);
    }

    /* Responsive */
    @media (max-width: 992px) {
      .stats-grid,
      .process-timeline,
      .reviews-grid,
      .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-layout {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .hero-h1 {
        font-size: 1.85rem;
      }
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 2px solid var(--c-border);
        flex-direction: column;
        padding: 16px 20px;
        box-shadow: var(--shadow-pop);
      }
      .nav-links.active {
        display: flex;
      }
      .stats-grid,
      .process-timeline,
      .reviews-grid,
      .gallery-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }