:root {
      /* 简约四色：白底 · 墨字 · 红点缀 · 绿在线 */
      --white: #ffffff;
      --ink: #111111;
      --ink-secondary: #5a5a5a;
      --ink-muted: #9a9a9a;
      --gray-50: #fafafa;
      --gray-100: #f4f4f4;
      --red: #c81e1e;
      --red-soft: #fef7f7;
      --online: #16a34a;
      --online-soft: #f0fdf4;
      --bg: var(--white);
      --bg-white: var(--white);
      --surface-warm: var(--white);
      --surface-raised: var(--white);
      --text: var(--ink);
      --text-secondary: var(--ink-secondary);
      --text-muted: var(--ink-muted);
      --border: #eaeaea;
      --border-strong: #d4d4d4;
      --primary: var(--ink);
      --primary-light: #333333;
      --primary-dark: var(--ink);
      --primary-soft: var(--gray-100);
      --accent: var(--red);
      --accent-light: var(--red);
      --accent-soft: var(--red-soft);
      --accent-text: var(--red);
      --success: var(--online);
      --success-soft: var(--online-soft);
      --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
      --shadow: 0 4px 16px rgba(15, 23, 42, 0.07);
      --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.09);
      --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.11);
      --radius-sm: 8px;
      --radius: 10px;
      --radius-lg: 14px;
      --header-h: 60px;
      --discount: 0.8;
      --section-y: 1.25rem;
      --section-y-tight: 0.5rem;
      --grid-gap: 0.75rem;
      --content-max: 1200px;
      --content-pad: 1rem;
      --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }

    body {
      font-family: 'Noto Sans SC', -apple-system, 'PingFang SC', sans-serif;
      background: var(--white);
      color: var(--text);
      line-height: 1.5;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(40px); }
      to { opacity: 1; transform: translateY(0); }
    }
    @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-12px); }
    }
    @keyframes pulse-ring {
      0% { transform: scale(0.95); opacity: 0.7; }
      50% { transform: scale(1.05); opacity: 0.3; }
      100% { transform: scale(0.95); opacity: 0.7; }
    }
    @keyframes shimmer {
      0% { background-position: -200% center; }
      100% { background-position: 200% center; }
    }
    @keyframes gradient-flow {
      0%, 100% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
    }
    @keyframes line-grow {
      from { transform: scaleX(0); }
      to { transform: scaleX(1); }
    }
    @keyframes spin-slow {
      from { transform: rotate(0deg); }
      to { transform: rotate(360deg); }
    }
    @keyframes blob {
      0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; transform: translate(0,0); }
      50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; transform: translate(20px,-20px); }
    }
    @keyframes slideUp {
      from { opacity: 0; transform: translateY(20px) scale(0.98); }
      to { opacity: 1; transform: translateY(0) scale(1); }
    }
    @keyframes toastIn {
      from { opacity: 0; transform: translateX(-100%); }
      to { opacity: 1; transform: translateX(0); }
    }
    @keyframes countPop {
      0% { transform: scale(1); }
      50% { transform: scale(1.08); }
      100% { transform: scale(1); }
    }

    .reveal {
      opacity: 0;
      transform: translateY(32px);
      transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
                  transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .container,
    .container-wide {
      width: 100%;
      max-width: var(--content-max);
      margin: 0 auto;
      padding-inline: var(--content-pad);
    }


    body > section:not(.hero-full):not(.countdown-strip):not(.stats-bar) {
      padding-top: var(--section-y);
      padding-bottom: var(--section-y);
    }

    body > section:not(.hero-full) + section:not(.hero-full) {
      padding-top: var(--section-y-tight);
    }

    .top-notice {
      background: var(--ink);
      color: #fff;
      padding: 0.5rem 0;
      font-size: 0.8rem;
      font-weight: 500;
      overflow: hidden;
    }

    .notice-marquee {
      display: inline-block;
      white-space: nowrap;
      animation: scrollNotice 35s linear infinite;
      padding-left: 100%;
    }

    @keyframes scrollNotice {
      0% { transform: translateX(0); }
      100% { transform: translateX(-100%); }
    }

    .notice-marquee span { margin: 0 2.5rem; }

    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      height: var(--header-h);
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(16px) saturate(160%);
      border-bottom: 1px solid var(--border);
      box-shadow: var(--shadow-xs);
      transition: box-shadow 0.3s var(--ease-out), background 0.3s;
    }

    header.scrolled {
      background: rgba(255, 255, 255, 0.96);
      box-shadow: var(--shadow);
    }

    .nav {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 0.65rem;
      text-decoration: none;
      color: var(--text);
      line-height: 1;
      flex-shrink: 0;
      padding: 0.15rem 0.35rem 0.15rem 0;
      border-radius: 12px;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

    .logo:hover {
      transform: translateY(-1px);
    }

    .logo-brand {
      display: block;
      height: 28px;
      width: auto;
      object-fit: contain;
      filter: none;
    }

    .logo-divider {
      width: 1px;
      height: 22px;
      align-self: center;
      background: linear-gradient(180deg, transparent, var(--border) 15%, var(--border) 85%, transparent);
      flex-shrink: 0;
    }

    .logo-suffix {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      justify-content: center;
      gap: 3px;
      min-width: 0;
      padding-top: 1px;
    }

    .logo-suffix-main {
      font-size: 0.9375rem;
      font-weight: 800;
      letter-spacing: 0.14em;
      line-height: 1.15;
      color: var(--ink);
    }

    .logo-suffix-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.2rem;
      padding: 1px 0.4rem;
      border-radius: 3px;
      font-size: 0.5625rem;
      font-weight: 600;
      letter-spacing: 0.08em;
      line-height: 1.45;
      color: #fff;
      background: var(--red);
      box-shadow: none;
      white-space: nowrap;
    }

    .logo-suffix-badge::before {
      content: "";
      width: 3px;
      height: 3px;
      border-radius: 50%;
      background: #fff;
      opacity: 0.85;
      flex-shrink: 0;
    }

    .nav-menu {
      display: flex;
      gap: 2rem;
      list-style: none;
    }

    .nav-menu a {
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 0.9rem;
      font-weight: 500;
      position: relative;
      transition: color 0.2s;
    }

    .nav-menu a::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: width 0.3s;
    }

    .nav-menu a:hover { color: var(--ink); }
    .nav-menu a:hover::after {
      width: 100%;
      background: var(--ink);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

  .tg-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.5rem 1rem;
      border-radius: 8px;
      font-size: 0.82rem;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.25s;
      border: 1px solid var(--border);
      background: var(--white);
      color: var(--ink-secondary);
    }

    .tg-btn:hover {
      background: var(--gray-100);
      border-color: var(--border-strong);
      color: var(--ink);
      transform: translateY(-1px);
      box-shadow: var(--shadow-xs);
    }

    .tg-btn svg { width: 18px; height: 18px; flex-shrink: 0; }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.4rem;
      padding: 0.65rem 1.35rem;
      border-radius: 8px;
      font-weight: 600;
      font-size: 0.9rem;
      text-decoration: none;
      border: none;
      cursor: pointer;
      transition: all 0.25s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .btn-primary {
      background: var(--ink);
      color: #fff;
      box-shadow: none;
    }

    .btn-primary:hover {
      background: var(--primary-light);
      transform: translateY(-1px);
      box-shadow: var(--shadow-xs);
    }

    .btn-accent {
      background: var(--red);
      color: #fff;
      box-shadow: none;
    }

    .btn-accent:hover {
      background: #a81818;
    }

    .btn-outline {
      background: var(--white);
      color: var(--ink);
      border: 1px solid var(--border-strong);
    }

    .btn-outline:hover {
      background: var(--gray-100);
      border-color: var(--ink);
      color: var(--ink);
    }

    .btn-lg { padding: 0.9rem 2rem; font-size: 1rem; border-radius: 10px; }

    .hero-full {
      min-height: calc(100vh - var(--header-h) - 36px);
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
      background: var(--white);
      border-bottom: 1px solid var(--border);
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      pointer-events: none;
      overflow: hidden;
    }

    .hero-blob {
      position: absolute;
      width: 500px;
      height: 500px;
      background: rgba(0, 0, 0, 0.03);
      animation: blob 12s ease-in-out infinite;
    }

    .hero-blob-1 { top: -15%; right: -10%; }
    .hero-blob-2 {
      bottom: -20%;
      left: -15%;
      width: 600px;
      height: 600px;
      animation-delay: -4s;
      background: rgba(0, 0, 0, 0.02);
    }

    .hero-grid {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
      background-size: 60px 60px;
      mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black, transparent);
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 1.5rem;
      align-items: center;
      padding: 1.5rem var(--content-pad);
      width: 100%;
      max-width: var(--content-max);
      margin: 0 auto;
    }

    @media (max-width: 1024px) {
      .hero-inner { grid-template-columns: 1fr; text-align: center; }
      .hero-visual { order: -1; }
      .hero-badges, .hero-cta { justify-content: center; }
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.35rem 0.85rem;
      background: var(--gray-100);
      border: 1px solid var(--border);
      border-radius: 999px;
      font-size: 0.82rem;
      font-weight: 500;
      color: var(--ink-secondary);
      margin-bottom: 1.25rem;
      animation: fadeUp 0.8s ease backwards;
    }

    .hero-tag .dot {
      width: 7px;
      height: 7px;
      background: var(--online);
      border-radius: 50%;
      box-shadow: 0 0 0 2px var(--online-soft);
      animation: pulse-ring 2s ease infinite;
    }

    .hero h1 {
      font-size: clamp(2.2rem, 5vw, 3.5rem);
      font-weight: 900;
      line-height: 1.15;
      letter-spacing: -0.02em;
      margin-bottom: 1.25rem;
      animation: fadeUp 0.8s 0.1s ease backwards;
    }

    .hero h1 .gradient-text {
      color: var(--red);
    }

    .hero-desc {
      font-size: 1.1rem;
      color: var(--text-secondary);
      max-width: 540px;
      margin-bottom: 1.5rem;
      animation: fadeUp 0.8s 0.2s ease backwards;
    }

    @media (max-width: 1024px) { .hero-desc { margin-left: auto; margin-right: auto; } }

    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 0.6rem;
      margin-bottom: 2rem;
      animation: fadeUp 0.8s 0.3s ease backwards;
    }

    .hero-badge {
      padding: 0.45rem 0.9rem;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--text-secondary);
      box-shadow: 0 2px 8px rgba(0,0,0,0.04);
      transition: all 0.25s;
    }

    .hero-badge:hover {
      border-color: var(--border-strong);
      color: var(--ink);
      transform: translateY(-1px);
    }

    .hero-badge strong { color: var(--ink); }

    .hero-cta {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      animation: fadeUp 0.8s 0.4s ease backwards;
    }

    @media (max-width: 1024px) {
      .hero-cta .btn { flex: 1 1 auto; min-width: 140px; }
    }

    .hero-visual { animation: fadeUp 0.8s 0.2s ease backwards; }

    .hero-card {
      background: var(--surface-raised);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border);
      overflow: hidden;
      position: relative;
    }

    .hero-card-head {
      padding: 1.15rem 1.5rem;
      background: var(--ink);
      color: #fff;
      text-align: center;
      position: relative;
    }

    .hero-card-head::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--red);
      opacity: 0.85;
    }

    .hero-card-head h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.25rem; }
    .hero-card-head p { font-size: 0.85rem; opacity: 0.9; }

    .price-showcase {
      padding: 2rem;
      text-align: center;
    }

    .price-discount {
      font-size: 4.5rem;
      font-weight: 900;
      line-height: 1;
      color: var(--red);
    }

    .price-discount small { font-size: 1.5rem; }

    .price-note { font-size: 0.88rem; color: var(--text-muted); margin-top: 0.5rem; }

    .promise-list {
      padding: 0 2rem 2rem;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }

    .promise-item {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      padding: 0.85rem 1rem;
      background: var(--surface-warm);
      border-radius: 10px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text);
      transition: transform 0.2s;
    }

    .promise-item:hover { transform: translateX(4px); }

    .promise-item .icon {
      width: 36px;
      height: 36px;
      background: #fff;
      border-radius: 8px;
      display: grid;
      place-items: center;
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    .stats-bar {
      background: #fff;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 0.75rem 0;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: var(--grid-gap);
      text-align: center;
    }

    @media (max-width: 900px) {
      .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
      .stat-item:last-child { grid-column: 1 / -1; justify-self: center; width: min(100%, 200px); }
    }

    .stat-item strong {
      display: block;
      font-size: 2rem;
      font-weight: 900;
      color: var(--text);
      line-height: 1.2;
    }

    .stat-item span { font-size: 0.85rem; color: var(--text-muted); }

    .stat-item strong.counting { animation: countPop 0.4s ease; }

    .countdown-strip {
      background: #fff;
      border-bottom: 1px solid var(--border);
      padding: 0.6rem 0;
      box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    }

    .countdown-inner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 1.5rem 2rem;
    }

    .countdown-inner > p { font-weight: 700; color: var(--text); font-size: 0.95rem; }

    .cd-group { display: flex; gap: 0.5rem; }

    .cd-unit {
      min-width: 56px;
      padding: 0.5rem 0.35rem;
      background: var(--surface-warm);
      border-radius: 10px;
      text-align: center;
      border: 1px solid var(--border);
    }

    .cd-unit b {
      display: block;
      font-size: 1.5rem;
      font-weight: 900;
      color: var(--ink);
      font-variant-numeric: tabular-nums;
    }

    .cd-unit small { font-size: 0.68rem; color: var(--text-muted); }

    .hot-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: var(--grid-gap);
    }

    @media (max-width: 900px) { .hot-grid { grid-template-columns: 1fr; } }

    .hot-card {
      background: var(--surface-raised);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-xs);
      overflow: hidden;
      transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s;
      position: relative;
    }

    .hot-card:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow);
      border-color: var(--border-strong);
    }

    .hot-card.rank-1 { border-top: 3px solid var(--accent); }
    .hot-card.rank-2 { border-top: 3px solid var(--ink-muted); }
    .hot-card.rank-3 { border-top: 3px solid var(--ink-secondary); }

    .hot-card-head {
      padding: 1rem 1.25rem;
      background: var(--bg);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .hot-rank {
      width: 32px;
      height: 32px;
      background: var(--ink);
      color: #fff;
      font-weight: 900;
      border-radius: 8px;
      display: grid;
      place-items: center;
      font-size: 0.9rem;
    }

    .hot-card.rank-1 .hot-rank { background: var(--red); }

    .hot-card-body { padding: 1rem; }

    .hot-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
    .hot-specs { font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 1rem; line-height: 1.7; }

    .hot-price-row { display: flex; align-items: baseline; gap: 0.75rem; margin-bottom: 1rem; }
    .hot-price-row .was { text-decoration: line-through; color: var(--text-muted); font-size: 0.9rem; }
    .hot-price-row .now { font-size: 2rem; font-weight: 900; color: var(--ink); }
    .hot-card.rank-1 .hot-price-row .now { color: var(--red); }

    .banner-slider {
      position: relative;
      border-radius: var(--radius);
      overflow: hidden;
      margin-bottom: 1.25rem;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .banner-track {
      display: flex;
      transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .banner-slide {
      --slide-accent: var(--ink);
      --slide-accent-soft: var(--gray-100);
      --slide-accent-text: var(--ink-secondary);
      min-width: 100%;
      padding: 1rem 1.15rem 2.35rem;
      background: #fff;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 1rem 1.25rem;
      align-items: center;
      position: relative;
      isolation: isolate;
    }

    .banner-slide[data-accent="safe"],
    .banner-slide[data-accent="service"] {
      --slide-accent: var(--ink);
      --slide-accent-soft: var(--gray-100);
      --slide-accent-text: var(--ink-secondary);
    }

    .banner-slide[data-accent="promo"] {
      --slide-accent: var(--red);
      --slide-accent-soft: var(--red-soft);
      --slide-accent-text: var(--red);
    }

    .banner-slide::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 3px;
      background: var(--slide-accent);
      z-index: 1;
    }

    .banner-slide::after {
      content: '';
      position: absolute;
      right: 0;
      top: 0;
      width: 42%;
      height: 100%;
      background: radial-gradient(ellipse 80% 120% at 100% 0%, var(--slide-accent-soft) 0%, transparent 72%);
      pointer-events: none;
      z-index: 0;
    }

    .banner-content {
      position: relative;
      z-index: 1;
      padding-left: 0.5rem;
      min-width: 0;
    }

    .banner-tag {
      display: inline-block;
      margin-bottom: 0.35rem;
      padding: 0.1rem 0.45rem;
      font-size: 0.625rem;
      font-weight: 700;
      letter-spacing: 0.04em;
      line-height: 1.4;
      color: var(--slide-accent-text);
      background: var(--slide-accent-soft);
      border: 1px solid color-mix(in srgb, var(--slide-accent) 18%, transparent);
      border-radius: 4px;
    }

    .banner-slide h3 {
      font-size: 1rem;
      font-weight: 800;
      color: var(--text);
      margin-bottom: 0.3rem;
      line-height: 1.3;
    }

    .banner-slide p {
      color: var(--text-secondary);
      font-size: 0.8125rem;
      line-height: 1.5;
      max-width: 520px;
      margin: 0;
    }

    .banner-aside {
      position: relative;
      z-index: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-width: 76px;
      padding: 0.55rem 0.85rem;
      background: var(--slide-accent-soft);
      border: 1px solid color-mix(in srgb, var(--slide-accent) 14%, var(--border));
      border-radius: 10px;
      box-shadow: 0 2px 8px color-mix(in srgb, var(--slide-accent) 8%, transparent);
    }

    .banner-num {
      font-size: 1.5rem;
      font-weight: 900;
      line-height: 1.1;
      color: var(--slide-accent-text);
      letter-spacing: -0.02em;
    }

    .banner-num-sub {
      font-size: 0.6875rem;
      font-weight: 600;
      color: var(--text-muted);
      margin-top: 0.15rem;
      line-height: 1.2;
    }

    .banner-dots {
      position: absolute;
      bottom: 0.65rem;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.25rem 0.5rem;
      background: rgba(255, 255, 255, 0.92);
      border: 1px solid var(--border);
      border-radius: 999px;
      box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
      z-index: 2;
    }

    .banner-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      border: none;
      background: #d1d5db;
      cursor: pointer;
      transition: all 0.25s;
      padding: 0;
    }

    .banner-dot:hover { background: #9ca3af; }

    .banner-dot.active {
      width: 18px;
      border-radius: 999px;
      background: var(--ink);
    }

    @media (max-width: 768px) {
      .banner-slide {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 1rem 1rem 2.5rem;
        gap: 0.75rem;
      }
      .banner-content { padding-left: 0; }
      .banner-aside {
        flex-direction: row;
        gap: 0.35rem;
        min-width: auto;
        padding: 0.45rem 0.85rem;
        margin: 0 auto;
      }
      .banner-num-sub { margin-top: 0; }
      .banner-slide::after { width: 100%; opacity: 0.5; }
    }

    .scene-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: var(--grid-gap);
    }

    @media (max-width: 900px) { .scene-grid { grid-template-columns: 1fr 1fr; } }
    @media (max-width: 500px) { .scene-grid { grid-template-columns: 1fr; } }

    .scene-card {
      padding: 1rem;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      transition: all 0.35s;
    }

    .scene-card:hover {
      border-color: var(--border-strong);
      box-shadow: var(--shadow);
      transform: translateY(-3px);
    }

    .scene-card .scene-header {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 0.75rem;
    }

    .scene-card .scene-icon {
      width: 32px;
      height: 32px;
      stroke: var(--ink-secondary);
      flex-shrink: 0;
    }

    .scene-card h4 { 
      font-size: 0.95rem; 
      margin: 0;
      font-weight: 600;
    }
    .scene-card p { 
      font-size: 0.82rem; 
      color: var(--text-secondary); 
      margin-bottom: 0.75rem;
      line-height: 1.5;
    }
    .scene-card .scene-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.35rem;
      margin-bottom: 0.75rem;
    }
    .scene-card .scene-tags span {
      font-size: 0.7rem;
      padding: 0.25rem 0.5rem;
      background: var(--gray-100);
      color: var(--ink-secondary);
      border-radius: 999px;
      font-weight: 500;
    }
    .scene-card .rec { 
      font-size: 0.72rem; 
      color: var(--ink-muted); 
      font-weight: 600; 
    }

    .compare-wrap {
      overflow-x: auto;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      background: #fff;
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.88rem;
      min-width: 640px;
    }

    .compare-table th,
    .compare-table td { padding: 1rem 1.25rem; text-align: left; border-bottom: 1px solid var(--border); }

    .compare-table th {
      background: var(--surface-warm);
      font-weight: 700;
      color: var(--text);
    }

    .compare-table tr:hover td { background: var(--gray-50); }

    .compare-table .price-cell { font-weight: 800; color: var(--accent); font-size: 1rem; }

    .toast-wrap {
      position: fixed;
      bottom: 100px;
      left: 24px;
      z-index: 2000;
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
      pointer-events: none;
    }

    .toast-item {
      padding: 0.75rem 1.1rem;
      background: #fff;
      border-radius: 10px;
      box-shadow: 0 8px 32px rgba(0,0,0,0.12);
      border-left: 4px solid var(--ink);
      font-size: 0.82rem;
      animation: toastIn 0.5s ease;
      max-width: 320px;
    }

    .toast-item strong { color: var(--ink); }

    .back-top {
      position: fixed;
      bottom: 28px;
      left: 28px;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #fff;
      border: 1px solid var(--border);
      color: var(--ink);
      font-size: 1.2rem;
      cursor: pointer;
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s;
      z-index: 998;
      box-shadow: var(--shadow);
    }

    .back-top.show { opacity: 1; visibility: visible; }
    .back-top:hover { background: var(--ink); color: #fff; transform: translateY(-2px); }

    .product-card {
      animation: slideUp 0.5s ease backwards;
    }

    .region-panel.active .product-card:nth-child(1) { animation-delay: 0.05s; }
    .region-panel.active .product-card:nth-child(2) { animation-delay: 0.1s; }
    .region-panel.active .product-card:nth-child(3) { animation-delay: 0.15s; }
    .region-panel.active .product-card:nth-child(4) { animation-delay: 0.2s; }
    .region-panel.active .product-card:nth-child(5) { animation-delay: 0.25s; }
    .region-panel.active .product-card:nth-child(6) { animation-delay: 0.3s; }
    .region-panel.active .product-card:nth-child(7) { animation-delay: 0.35s; }
    .region-panel.active .product-card:nth-child(8) { animation-delay: 0.4s; }

    .product-toolbar {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      justify-content: center;
      align-items: center;
      margin-bottom: 2rem;
    }

    .search-box {
      flex: 1;
      min-width: 240px;
      max-width: 400px;
      position: relative;
    }

    .search-box input {
      width: 100%;
      padding: 0.75rem 1rem 0.75rem 2.75rem;
      border: 1px solid var(--border);
      border-radius: 10px;
      font-family: inherit;
      font-size: 0.9rem;
      transition: all 0.25s;
    }

    .search-box input:focus {
      outline: none;
      border-color: var(--ink);
      box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.08);
    }

    .search-box::before {
      content: '🔍';
      position: absolute;
      left: 1rem;
      top: 50%;
      transform: translateY(-50%);
      font-size: 0.9rem;
    }

    .product-count {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .product-count em { color: var(--ink); font-style: normal; font-weight: 800; }

    .promise-banner {
      background: var(--ink);
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .promise-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    }

    .promise-banner-inner {
      position: relative;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.25rem;
      align-items: center;
    }

    @media (max-width: 900px) { .promise-banner-inner { grid-template-columns: 1fr; } }

    .promise-banner h2 {
      font-size: clamp(1.2rem, 1.8vw, 1.45rem);
      font-weight: 800;
      margin-bottom: 0.5rem;
      line-height: 1.25;
    }

    .promise-banner p { font-size: 0.8125rem; opacity: 0.92; line-height: 1.5; }

    .promise-cards {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: var(--grid-gap);
      align-content: start;
    }

    @media (min-width: 901px) {
      .promise-banner-inner { align-items: stretch; }
      .promise-cards { min-height: 100%; }
    }

    .promise-mini {
      padding: 0.9rem 1rem;
      background: rgba(255,255,255,0.12);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255,255,255,0.2);
      border-radius: var(--radius);
      transition: all 0.3s;
    }

    .promise-mini:hover {
      background: rgba(255,255,255,0.2);
      transform: translateY(-4px);
    }

    .promise-mini h4 { font-size: 0.95rem; margin-bottom: 0.35rem; }
    .promise-mini p { font-size: 0.8rem; opacity: 0.85; }

    .section-alt {
      background: var(--bg-white);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
    }

    #products.section-alt,
    #scenes {
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    #features {
      background: var(--white);
      border-top: 1px solid var(--border);
    }

    .hot-section {
      background: var(--white);
      border-bottom: 1px solid var(--border);
    }

    .contact-section {
      background: var(--white);
      border-top: 1px solid var(--border);
    }

    .section-head {
      text-align: center;
      margin-bottom: 0.875rem;
      position: relative;
    }

    .section-head--compact {
      margin-bottom: 0.75rem;
    }

    .section-head .label {
      display: inline-block;
      padding: 0.15rem 0.55rem;
      background: var(--gray-100);
      color: var(--ink-secondary);
      font-size: 0.6875rem;
      font-weight: 700;
      border-radius: 4px;
      margin-bottom: 0.35rem;
      letter-spacing: 0.04em;
      line-height: 1.35;
    }

    .section-head h2 {
      font-size: clamp(1.2rem, 1.8vw, 1.45rem);
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 0.3rem;
      letter-spacing: -0.01em;
    }

    .section-head h2::after {
      content: '';
      display: block;
      width: 24px;
      height: 2px;
      margin: 0.45rem auto 0;
      border-radius: 1px;
      background: var(--ink);
    }

    .section-head p {
      color: var(--text-secondary);
      font-size: 0.8125rem;
      line-height: 1.45;
      max-width: 560px;
      margin: 0 auto;
    }

    .region-nav {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 0.5rem;
      margin-bottom: 1.25rem;
      padding: 0.35rem;
      background: var(--bg);
      border-radius: 14px;
      max-width: 100%;
    }

    .region-flag {
      width: 1.35em;
      height: 0.9em;
      flex-shrink: 0;
      display: inline-block;
      vertical-align: middle;
      border-radius: 2px;
      box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.08);
      overflow: hidden;
      shape-rendering: geometricPrecision;
    }

    .region-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.65rem 1.25rem;
      border: none;
      background: transparent;
      font-family: inherit;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-secondary);
      border-radius: 10px;
      cursor: pointer;
      transition: all 0.25s;
      white-space: nowrap;
    }

    .region-header h3 {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 1.2rem;
      font-weight: 800;
    }

    .region-btn:hover {
      color: var(--ink);
      background: var(--white);
    }

    .region-btn.active {
      background: var(--white);
      color: var(--ink);
      box-shadow: var(--shadow-xs);
      border: 1px solid var(--border-strong);
    }

    .region-panel { display: none; }
    .region-panel.active {
      display: block;
      animation: fadeIn 0.5s ease;
    }

    .region-header {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 0.75rem;
      margin-bottom: 1rem;
      padding: 0.85rem 1rem;
      background: linear-gradient(90deg, var(--surface-warm), #fff);
      border-radius: var(--radius);
      border-left: 3px solid var(--ink);
    }

    .region-header p { font-size: 0.88rem; color: var(--text-secondary); }

    .product-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: var(--grid-gap);
    }

    @media (max-width: 1100px) {
      .product-grid { grid-template-columns: repeat(3, 1fr); }
    }

    @media (max-width: 768px) {
      .product-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 480px) {
      .product-grid { grid-template-columns: 1fr; }
    }

    .product-card {
      background: var(--surface-raised);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1rem;
      box-shadow: var(--shadow-xs);
      position: relative;
      overflow: hidden;
      transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s;
      display: flex;
      flex-direction: column;
    }

    .product-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--ink);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.35s var(--ease-out);
    }

    .product-card:hover {
      border-color: var(--border-strong);
      box-shadow: var(--shadow);
      transform: translateY(-2px);
    }

    .product-card:hover::before { transform: scaleX(1); }

    .product-card.hot {
      border-color: rgba(200, 30, 30, 0.2);
      background: var(--white);
    }

    .card-tags {
      display: flex;
      gap: 0.4rem;
      margin-bottom: 0.75rem;
      flex-wrap: wrap;
    }

    .card-tag {
      padding: 0.2rem 0.55rem;
      font-size: 0.68rem;
      font-weight: 700;
      border-radius: 4px;
    }

    .tag-sale { background: var(--accent-soft); color: var(--accent); }
    .tag-hot { background: var(--gray-100); color: var(--ink-secondary); }
    .tag-test { background: var(--gray-100); color: var(--ink-secondary); }

    .product-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.2rem; }
    .product-id { font-size: 0.72rem; color: var(--text-muted); margin-bottom: 1rem; }

    .spec-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.5rem;
      flex: 1;
      margin-bottom: 1.25rem;
    }

    .spec-item {
      font-size: 0.8rem;
      padding: 0.4rem 0.5rem;
      background: var(--bg);
      border-radius: 6px;
    }

    .spec-item label { display: block; font-size: 0.68rem; color: var(--text-muted); margin-bottom: 0.1rem; }
    .spec-item span { font-weight: 600; color: var(--text); }

    .card-price {
      padding-top: 1rem;
      border-top: 1px dashed var(--border);
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 0.75rem;
    }

    .price-old { font-size: 0.82rem; color: var(--text-muted); text-decoration: line-through; }
    .price-new { font-size: 1.6rem; font-weight: 900; color: var(--accent); line-height: 1; }
    .price-new sub { font-size: 0.75rem; font-weight: 500; color: var(--text-muted); }
    .price-off { font-size: 0.72rem; color: var(--ink-muted); font-weight: 600; margin-top: 0.2rem; }

    .card-actions {
      display: flex;
      gap: 0.5rem;
      margin-top: 1rem;
    }

    .card-actions .btn { flex: 1; padding: 0.55rem; font-size: 0.82rem; }

    .view-toggle {
      display: inline-flex;
      justify-content: center;
      gap: 0.25rem;
      margin: 0 auto 1.25rem;
      padding: 0.2rem;
      background: var(--surface-warm);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow-xs);
      width: fit-content;
    }

    .view-btn {
      padding: 0.55rem 1.35rem;
      border: 1px solid transparent;
      background: transparent;
      font-family: inherit;
      font-size: 0.88rem;
      font-weight: 600;
      border-radius: 8px;
      cursor: pointer;
      transition: all 0.25s;
      color: var(--text-secondary);
    }

    .view-btn.active {
      background: var(--ink);
      color: #fff;
      border-color: transparent;
      box-shadow: none;
    }

    #allProductsView { display: none; }
    #allProductsView.active { display: block; }
    #regionView.hidden { display: none; }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: var(--grid-gap);
    }

    @media (max-width: 900px) {
      .features-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 520px) {
      .features-grid { grid-template-columns: 1fr; }
    }

    .feature-card {
      padding: 0.9rem 1rem;
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
      position: relative;
      overflow: hidden;
    }

    .feature-card::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--ink);
      transform: scaleX(0);
      transition: transform 0.35s;
    }

    .feature-card:hover {
      box-shadow: var(--shadow);
      transform: translateY(-2px);
      border-color: var(--border-strong);
    }

    .feature-card:hover::after { transform: scaleX(1); }

    .feature-card-head {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      margin-bottom: 0.45rem;
    }

    .feature-icon {
      width: 38px;
      height: 38px;
      flex-shrink: 0;
      background: var(--surface-warm);
      border: 1px solid var(--border);
      border-radius: 10px;
      display: grid;
      place-items: center;
      font-size: 1.2rem;
      line-height: 1;
      transition: transform 0.25s;
    }

    .feature-card:hover .feature-icon { transform: scale(1.05); }

    .feature-card h3 {
      font-size: 0.875rem;
      font-weight: 700;
      line-height: 1.35;
      margin: 0;
      flex: 1;
      min-width: 0;
      color: var(--text);
    }

    .feature-card p {
      font-size: 0.78rem;
      color: var(--text-secondary);
      line-height: 1.45;
      margin: 0;
    }

    .promo-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: var(--grid-gap);
    }

    @media (max-width: 900px) { .promo-strip { grid-template-columns: 1fr 1fr; } }

    .promo-item {
      padding: 0.9rem 0.75rem;
      background: #fff;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      text-align: center;
      transition: all 0.3s;
      cursor: default;
    }

    .promo-item:hover {
      border-color: var(--border-strong);
      box-shadow: var(--shadow-xs);
      transform: translateY(-1px);
    }

    .promo-item .num {
      font-size: 1.75rem;
      font-weight: 900;
      color: var(--red);
      margin-bottom: 0.35rem;
    }

    .promo-item h4 { font-size: 0.92rem; margin-bottom: 0.25rem; }
    .promo-item p { font-size: 0.78rem; color: var(--text-muted); }

    .process-line {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: var(--grid-gap);
      position: relative;
      width: 100%;
    }

    .process-line::before {
      content: '';
      position: absolute;
      top: 24px;
      left: calc(100% / 8);
      right: calc(100% / 8);
      height: 2px;
      background: var(--border);
      z-index: 0;
    }

    .process-line::after {
      content: '';
      position: absolute;
      top: 24px;
      left: calc(100% / 8);
      width: calc(100% * 3 / 4);
      height: 2px;
      background: var(--border-strong);
      z-index: 1;
      transform: scaleX(0);
      transform-origin: left;
      animation: line-grow 2s 0.5s ease forwards;
    }

    @media (max-width: 768px) {
      .process-line {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        padding: 0;
      }
      .process-line::before,
      .process-line::after { display: none; }
    }

    .process-step {
      text-align: center;
      position: relative;
      z-index: 2;
      padding: 0;
    }

    @media (max-width: 768px) {
      .process-step {
        display: grid;
        grid-template-columns: 48px 1fr;
        grid-template-rows: auto auto;
        gap: 0.15rem 0.75rem;
        text-align: left;
        align-items: center;
        padding: 0.75rem 1rem;
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius);
      }
      .process-step .circle {
        grid-row: 1 / 3;
        margin: 0;
      }
      .process-step h4 { margin-bottom: 0; }
    }

    .process-step .circle {
      width: 48px;
      height: 48px;
      margin: 0 auto 0.75rem;
      background: #fff;
      border: 2px solid var(--border-strong);
      border-radius: 50%;
      display: grid;
      place-items: center;
      font-weight: 900;
      color: var(--ink);
      font-size: 1.1rem;
      transition: all 0.3s;
    }

    .process-step:hover .circle {
      background: var(--ink);
      border-color: var(--ink);
      color: #fff;
      transform: scale(1.03);
    }

    @media (max-width: 768px) {
      .process-step:hover .circle { transform: none; }
    }

    .process-step h4 { font-size: 0.9rem; margin-bottom: 0.25rem; font-weight: 700; }
    .process-step p { font-size: 0.78rem; color: var(--text-muted); line-height: 1.45; }

    .contact-cards {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: var(--grid-gap);
      align-items: stretch;
    }

    @media (max-width: 768px) {
      .contact-cards {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-cards .contact-card:last-child {
        grid-column: 1 / -1;
        max-width: 50%;
        margin: 0 auto;
        width: 100%;
      }
    }

    @media (max-width: 420px) {
      .contact-cards {
        grid-template-columns: 1fr;
      }
      .contact-cards .contact-card:last-child {
        max-width: none;
        margin: 0;
      }
    }

    .contact-card {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      padding: 0.75rem 0.5rem;
      min-height: 148px;
      background: #fff;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      text-decoration: none;
      color: inherit;
      transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
    }

    .contact-card--tg:hover {
      border-color: var(--border-strong);
      box-shadow: var(--shadow);
      transform: translateY(-2px);
    }

    .contact-card--feat {
      cursor: default;
      background: var(--bg-white);
    }

    .contact-card-icon {
      width: 40px;
      height: 40px;
      margin-bottom: 0.6rem;
      border-radius: 10px;
      background: var(--surface-warm);
      border: 1px solid var(--border);
      display: grid;
      place-items: center;
      flex-shrink: 0;
    }

    .contact-card-icon svg {
      width: 20px;
      height: 20px;
      stroke: var(--text-secondary);
    }

    .contact-card-icon--tg {
      border-radius: 50%;
      background: var(--ink);
    }

    .contact-card-icon--tg svg {
      width: 22px;
      height: 22px;
      fill: #fff;
      stroke: none;
    }

    .contact-card-tag {
      display: inline-block;
      font-size: 0.625rem;
      font-weight: 600;
      letter-spacing: 0.04em;
      color: var(--text-secondary);
      background: var(--surface-warm);
      padding: 0.1rem 0.4rem;
      border-radius: 3px;
      line-height: 1.4;
      margin-bottom: 0.35rem;
    }

    .contact-card--tg .contact-card-tag {
      color: var(--ink-secondary);
      background: var(--gray-100);
    }

    .contact-card h3 {
      font-size: 0.875rem;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 0.3rem;
      letter-spacing: 0.02em;
    }

    .contact-card--tg h3 {
      font-size: 0.8125rem;
      font-weight: 800;
      color: var(--ink);
    }

    .contact-card-desc {
      font-size: 0.6875rem;
      color: var(--text-muted);
      line-height: 1.45;
      margin: 0;
      flex: 1;
    }

    .contact-card-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.25rem;
      margin-top: auto;
      padding-top: 0.5rem;
      font-size: 0.625rem;
      font-weight: 700;
      color: var(--online);
      line-height: 1.4;
    }

    .contact-card-cta::before {
      content: '';
      width: 5px;
      height: 5px;
      background: var(--online);
      border-radius: 50%;
      flex-shrink: 0;
    }

    .cta-full {
      text-align: center;
      background: var(--ink);
      color: #fff;
      position: relative;
      overflow: hidden;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .cta-orbit {
      position: absolute;
      width: 300px;
      height: 300px;
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 50%;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      animation: spin-slow 20s linear infinite;
    }

    .cta-orbit-2 {
      width: 450px;
      height: 450px;
      animation-direction: reverse;
      animation-duration: 30s;
    }

    .cta-full h2 {
      font-size: clamp(1.2rem, 1.8vw, 1.45rem);
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 0.35rem;
      position: relative;
    }
    .cta-full p {
      opacity: 0.9;
      margin-bottom: 1rem;
      font-size: 0.8125rem;
      line-height: 1.45;
      position: relative;
    }
    .cta-full .btn-row { position: relative; justify-content: center; margin: 0 auto; }

    footer {
      padding: 1rem 0;
      background: var(--text);
      border-top: none;
      text-align: center;
      font-size: 0.78rem;
      color: rgba(255, 255, 255, 0.55);
    }

    footer a {
      color: rgba(255, 255, 255, 0.88);
      text-decoration: none;
      transition: color 0.2s;
    }

    footer a:hover { color: #fff; }

    .action-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 0.75rem;
      margin-top: 1.25rem;
      max-width: 520px;
    }

    @media (max-width: 480px) {
      .action-grid { grid-template-columns: 1fr; max-width: 100%; }
    }

    .action-grid--cta {
      margin-top: 0;
      max-width: 640px;
      grid-template-columns: repeat(3, 1fr);
    }

    @media (max-width: 640px) {
      .action-grid--cta { grid-template-columns: 1fr; max-width: 320px; }
    }

    .btn-glass {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.4rem;
      padding: 0.75rem 1rem;
      border-radius: 10px;
      font-weight: 600;
      font-size: 0.88rem;
      text-decoration: none;
      transition: all 0.25s;
      background: rgba(255, 255, 255, 0.95);
      color: var(--ink);
      border: 2px solid transparent;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
      text-align: center;
      white-space: nowrap;
    }

    .btn-glass:hover {
      background: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    }

    .btn-glass-accent {
      background: transparent;
      color: #fff;
      border: 1px solid rgba(255, 255, 255, 0.55);
      box-shadow: none;
    }

    .btn-glass-accent:hover {
      background: var(--red);
      border-color: var(--red);
      color: #fff;
    }

    .btn-glass-outline {
      background: rgba(255, 255, 255, 0.12);
      color: #fff;
      border: 2px solid rgba(255, 255, 255, 0.55);
      box-shadow: none;
    }

    .btn-glass-outline:hover {
      background: rgba(255, 255, 255, 0.22);
      color: #fff;
      border-color: rgba(255, 255, 255, 0.85);
    }

    .cta-full .btn-row.action-grid--cta .btn-glass {
      padding: 0.9rem 1.25rem;
      font-size: 0.95rem;
      border-radius: 10px;
    }

    .cs-widget {
      position: fixed;
      bottom: 24px;
      right: 24px;
      z-index: 999;
      width: 320px;
      max-width: calc(100vw - 48px);
      font-size: 0.85rem;
    }

    .cs-widget.collapsed .cs-body { display: none; }
    .cs-widget.collapsed .cs-toggle-icon { transform: rotate(180deg); }

    .cs-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.85rem 1rem;
      background: var(--ink);
      color: #fff;
      border-radius: 14px 14px 0 0;
      cursor: pointer;
      user-select: none;
    }

    .cs-widget.collapsed .cs-head { border-radius: 14px; }

    .cs-head-left { display: flex; align-items: center; gap: 0.6rem; }
    .cs-head-left strong { font-size: 0.95rem; display: block; }
    .cs-head-left small { font-size: 0.72rem; opacity: 0.9; }

    .cs-head-dot {
      width: 8px;
      height: 8px;
      background: var(--online);
      border-radius: 50%;
      box-shadow: 0 0 0 3px var(--online-soft);
      animation: pulse-ring 2s infinite;
    }

    .cs-toggle-icon {
      font-size: 1rem;
      transition: transform 0.3s;
      opacity: 0.9;
    }

    .cs-body {
      background: #fff;
      border: 1px solid var(--border);
      border-top: none;
      border-radius: 0 0 14px 14px;
      box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);
      overflow: hidden;
      animation: fadeIn 0.3s ease;
    }

    .cs-tip {
      padding: 0.75rem 1rem;
      background: var(--gray-100);
      color: var(--ink-secondary);
      font-size: 0.78rem;
      line-height: 1.5;
      border-bottom: 1px solid var(--border);
    }

    .cs-staff {
      padding: 0.75rem 1rem;
      display: flex;
      flex-direction: column;
      gap: 0.65rem;
    }

    .cs-person {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      padding: 0.75rem;
      background: var(--bg);
      border-radius: 12px;
      text-decoration: none;
      color: inherit;
      border: 1px solid transparent;
      transition: all 0.25s;
    }

    .cs-person:hover {
      border-color: var(--border-strong);
      background: var(--gray-50);
      transform: translateX(4px);
    }

    .cs-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--ink);
      color: #fff;
      display: grid;
      place-items: center;
      font-weight: 800;
      font-size: 0.75rem;
      flex-shrink: 0;
    }

    .cs-person-info { flex: 1; min-width: 0; }
    .cs-person-info strong { display: block; font-size: 0.88rem; color: var(--text); }
    .cs-person-info em {
      display: block;
      font-style: normal;
      font-size: 0.75rem;
      color: var(--ink-secondary);
      font-weight: 600;
    }

    .cs-avatar--alt {
      background: var(--ink-secondary);
    }
    .cs-person-info span { font-size: 0.72rem; color: var(--text-muted); }

    .cs-person-arrow {
      color: var(--text-muted);
      font-size: 1.1rem;
    }

    .cs-hot {
      margin: 0 1rem 0.75rem;
      padding: 0.85rem;
      background: var(--gray-50);
      border: 1px solid var(--border);
      border-radius: 12px;
    }

    .cs-hot-label {
      font-size: 0.68rem;
      font-weight: 700;
      color: var(--ink-muted);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin-bottom: 0.35rem;
    }

    .cs-hot h4 { font-size: 0.88rem; margin-bottom: 0.25rem; }
    .cs-hot .cs-hot-price {
      font-size: 1.25rem;
      font-weight: 900;
      color: var(--red);
    }
    .cs-hot .cs-hot-price small {
      font-size: 0.72rem;
      font-weight: 500;
      color: var(--text-muted);
      text-decoration: line-through;
      margin-left: 0.35rem;
    }

    .cs-quick {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.5rem;
      padding: 0 1rem 1rem;
    }

    .cs-quick a {
      padding: 0.55rem 0.5rem;
      text-align: center;
      font-size: 0.75rem;
      font-weight: 600;
      text-decoration: none;
      border-radius: 8px;
      transition: all 0.2s;
    }

    .cs-q-primary {
      background: var(--ink);
      color: #fff;
      grid-column: 1 / -1;
    }
    .cs-q-primary:hover { background: var(--primary-light); }

    .cs-q-secondary {
      background: var(--white);
      color: var(--ink);
      border: 1px solid var(--border);
    }
    .cs-q-secondary:hover {
      border-color: var(--ink);
      color: var(--ink);
    }

    .card-actions { flex-direction: column; }
    .card-actions .btn-tg {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.35rem;
      width: 100%;
      padding: 0.6rem;
      font-size: 0.8rem;
    }
    .card-actions .btn-tg small {
      font-size: 0.68rem;
      font-weight: 500;
      opacity: 0.85;
    }

    .product-card.card-more {
      background: var(--gray-50);
      border: 2px dashed var(--border-strong);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      min-height: 320px;
    }

    .product-card.card-more .more-icon {
      width: 64px;
      height: 64px;
      background: var(--ink);
      border-radius: 50%;
      display: grid;
      place-items: center;
      font-size: 1.75rem;
      margin-bottom: 1rem;
      color: #fff;
    }

    .product-card.card-more h4 { font-size: 1.1rem; margin-bottom: 0.5rem; padding: 0; }
    .product-card.card-more p {
      font-size: 0.85rem;
      color: var(--text-secondary);
      margin-bottom: 1.25rem;
      padding: 0 1rem;
    }

    /* —— 全站层次与卡片统一 —— */
    .stats-bar {
      background: var(--bg-white);
      box-shadow: var(--shadow-xs);
    }

    .stat-item {
      padding: 0.35rem 0.25rem;
      border-radius: var(--radius-sm);
      transition: background 0.2s;
    }

    .stat-item:hover {
      background: var(--surface-warm);
    }

    .stat-item strong {
      font-variant-numeric: tabular-nums;
    }

    .countdown-strip {
      background: var(--surface-warm);
      box-shadow: inset 0 -1px 0 var(--border);
    }

    .scene-card,
    .feature-card,
    .promo-item,
    .contact-card,
    .banner-slider,
    .compare-wrap {
      box-shadow: var(--shadow-xs);
    }

    .scene-card {
      background: var(--surface-raised);
      border-radius: var(--radius);
    }

    .feature-card {
      background: var(--surface-raised);
    }

    .promo-item {
      background: var(--surface-raised);
      border-radius: var(--radius);
    }

    .promo-item .num {
      font-variant-numeric: tabular-nums;
    }

    .compare-wrap {
      border-radius: var(--radius);
      overflow: hidden;
    }

    .compare-table tr:last-child td {
      border-bottom: none;
    }

    .compare-table .price-cell {
      font-variant-numeric: tabular-nums;
    }

    .region-nav {
      background: var(--surface-warm);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-xs);
    }

    .process-step .circle {
      box-shadow: var(--shadow-xs);
    }

    .promise-banner {
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
    }

    .region-nav {
      background: var(--white);
    }

    .countdown-strip {
      background: var(--white);
    }

    .stats-bar {
      background: var(--white);
    }

    .section-alt {
      background: var(--white);
    }

    .price-discount {
      color: var(--red);
      -webkit-text-fill-color: var(--red);
      background: none;
    }

    .contact-card:hover {
      box-shadow: var(--shadow);
    }

    .card-more .more-icon {
      background: var(--ink) !important;
    }

    @media (max-width: 768px) {
      .nav-menu { display: none; }
      .cs-widget { width: 300px; right: 12px; bottom: 12px; }
      .logo { gap: 0.5rem; }
      .logo-brand { height: 24px; }
      .logo-divider { height: 22px; }
      .logo-suffix-main { font-size: 0.875rem; letter-spacing: 0.1em; }
      .logo-suffix-badge { font-size: 0.5rem; padding: 1px 0.35rem; }
      .logo-divider { height: 20px; }
      .nav-actions .tg-btn .label { display: none; }
      .nav-actions .tg-btn { padding: 0.45rem 0.55rem; }
    }

    @media (max-width: 420px) {
      .logo-suffix-badge { display: none; }
      .logo-suffix { justify-content: center; }
    }