:root {
      --bg-1: #fff6e8;
      --bg-2: #f9e2d1;
      --bg-3: #f2c7ba;
      --brand: #ed5a3c;
      --brand-2: #f39b6d;
      --brand-deep: #bc3c24;
      --text: #2b201e;
      --muted: #765e58;
      --white: #fffaf5;
      --line: rgba(88, 56, 51, 0.12);
      --shadow: 0 24px 60px rgba(109, 52, 31, 0.18);
      --radius-xl: 30px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --font-display: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
      --font-body: "Trebuchet MS", "PingFang SC", "Microsoft YaHei", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      font-family: var(--font-body);
      background:
        radial-gradient(1200px 700px at 100% -10%, rgba(243, 155, 109, 0.35), transparent 60%),
        radial-gradient(800px 580px at -5% 100%, rgba(237, 90, 60, 0.28), transparent 58%),
        linear-gradient(140deg, var(--bg-1) 0%, var(--bg-2) 45%, var(--bg-3) 100%);
      overflow-x: hidden;
    }

    .grain {
      position: fixed;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      opacity: 0.18;
      background-image: radial-gradient(circle, #fff 1px, transparent 1px);
      background-size: 6px 6px;
      mix-blend-mode: soft-light;
    }

    .shell {
      position: relative;
      z-index: 1;
      width: min(1180px, calc(100% - 28px));
      margin: 18px auto 36px;
      display: grid;
      grid-template-columns: 1.3fr 0.7fr;
      gap: 20px;
    }

    .panel {
      border-radius: var(--radius-xl);
      border: 1px solid rgba(255, 255, 255, 0.45);
      background: rgba(255, 250, 245, 0.74);
      backdrop-filter: blur(12px);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .hero {
      padding: 24px;
    }

    .topline {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 18px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 14px;
      border-radius: 999px;
      font-size: 12px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      font-weight: 700;
      color: var(--brand-deep);
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(237, 90, 60, 0.14);
    }

    .lang-switch {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .lang-btn,
    .cta-btn,
    .ghost-btn {
      border: none;
      cursor: pointer;
      transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
      font-family: inherit;
    }

    .lang-btn {
      border-radius: 999px;
      padding: 9px 14px;
      font-size: 13px;
      font-weight: 700;
      color: var(--muted);
      background: rgba(255, 255, 255, 0.74);
      border: 1px solid rgba(237, 90, 60, 0.1);
    }

    .lang-btn.active {
      background: linear-gradient(135deg, var(--brand), var(--brand-deep));
      color: #fff;
      box-shadow: 0 12px 22px rgba(188, 60, 36, 0.25);
    }

    .hero-inner {
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
    }

    .hero-main {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 16px;
      align-items: stretch;
    }

    .hero-copy h1 {
      margin: 10px 0 12px;
      font-family: var(--font-display);
      font-size: clamp(30px, 5.1vw, 62px);
      line-height: 0.98;
      letter-spacing: -0.04em;
    }

    .hero-copy p {
      margin: 0;
      color: var(--muted);
      max-width: 640px;
      line-height: 1.72;
      font-size: 16px;
    }

    .actions {
      margin-top: 24px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .cta-btn,
    .ghost-btn {
      border-radius: 16px;
      padding: 13px 18px;
      font-size: 15px;
      font-weight: 800;
    }

    .cta-btn {
      color: #fff;
      background: linear-gradient(135deg, var(--brand), var(--brand-deep));
      box-shadow: 0 14px 26px rgba(188, 60, 36, 0.24);
    }

    .ghost-btn {
      color: var(--brand-deep);
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid rgba(237, 90, 60, 0.16);
    }

    .cta-btn:hover,
    .ghost-btn:hover,
    .lang-btn:hover {
      transform: translateY(-1px);
    }

    .hero-visual {
      border-radius: var(--radius-lg);
      min-height: 240px;
      padding: 12px;
      background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.48), rgba(255, 244, 237, 0.86)),
        linear-gradient(125deg, rgba(243, 155, 109, 0.42), rgba(237, 90, 60, 0.34));
      border: 1px solid rgba(237, 90, 60, 0.12);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }

    .hero-visual img {
      width: 100%;
      height: 100%;
      min-height: 106px;
      border-radius: 14px;
      object-fit: cover;
      box-shadow: 0 12px 24px rgba(88, 35, 22, 0.18);
      animation: liftIn 700ms ease both;
    }

    .hero-visual img:nth-child(2) { animation-delay: 90ms; }
    .hero-visual img:nth-child(3) { animation-delay: 180ms; }
    .hero-visual img:nth-child(4) { animation-delay: 260ms; }

    .stats {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .stat-card {
      border-radius: var(--radius-md);
      padding: 14px;
      background: rgba(255, 255, 255, 0.62);
      border: 1px solid var(--line);
    }

    .stat-card p {
      margin: 0;
    }

    .stat-label {
      color: var(--muted);
      font-size: 12px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .stat-value {
      margin-top: 8px;
      font-size: 24px;
      font-weight: 900;
      letter-spacing: -0.03em;
    }

    .gallery-wrap {
      margin-top: 8px;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
    }

    .profile-card {
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.66);
      border: 1px solid var(--line);
      overflow: hidden;
      box-shadow: 0 12px 24px rgba(99, 46, 28, 0.12);
      transition: transform 180ms ease, box-shadow 180ms ease;
      animation: fadeUp 700ms ease both;
    }

    .profile-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 18px 30px rgba(99, 46, 28, 0.2);
    }

    .profile-img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      display: block;
    }

    .profile-info {
      padding: 12px;
      text-align: left;
    }

    .profile-name {
      margin: 0;
      font-size: 16px;
      font-weight: 800;
    }

    .profile-desc {
      margin: 6px 0 0;
      font-size: 13px;
      color: var(--muted);
      line-height: 1.55;
    }

    .side {
      padding: 24px;
      display: grid;
      grid-template-rows: auto auto 1fr;
      gap: 14px;
      align-content: start;
    }

    .logo {
      margin: 0;
      font-size: 44px;
      line-height: 0.92;
      font-weight: 900;
      letter-spacing: -0.04em;
      font-family: var(--font-display);
      color: var(--brand-deep);
    }

    .side p {
      margin: 0;
      color: var(--muted);
      line-height: 1.75;
    }

    .feature-list {
      display: grid;
      gap: 10px;
      margin-top: 8px;
    }

    .feature {
      padding: 12px;
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.68);
      border: 1px solid var(--line);
      font-size: 14px;
      color: var(--text);
      line-height: 1.6;
    }

    .download-overlay {
      position: fixed;
      inset: 0;
      display: none;
      align-items: center;
      justify-content: center;
      z-index: 30;
      background: rgba(18, 11, 8, 0.48);
      backdrop-filter: blur(6px);
      padding: 12px;
    }

    .download-modal {
      width: min(480px, 100%);
      border-radius: 20px;
      padding: 18px;
      background: rgba(255, 250, 245, 0.95);
      border: 1px solid rgba(237, 90, 60, 0.16);
      box-shadow: 0 24px 54px rgba(79, 35, 21, 0.24);
      color: var(--text);
    }

    .download-title {
      margin: 0;
      font-size: 18px;
      font-weight: 900;
      letter-spacing: -0.02em;
    }

    .download-status {
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .progress-wrap {
      margin-top: 14px;
      height: 12px;
      border-radius: 999px;
      overflow: hidden;
      background: rgba(237, 90, 60, 0.14);
    }

    .progress-bar {
      height: 100%;
      width: 0;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--brand), var(--brand-2));
      transition: width 160ms linear;
    }

    .download-meta {
      margin-top: 8px;
      font-size: 13px;
      color: var(--muted);
    }

    .download-actions {
      margin-top: 14px;
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .fade {
      animation: fadeUp 700ms ease both;
    }

    .delay-1 { animation-delay: 80ms; }
    .delay-2 { animation-delay: 170ms; }
    .delay-3 { animation-delay: 260ms; }

    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(14px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes liftIn {
      from {
        opacity: 0;
        transform: translateY(10px) scale(0.96);
      }
      to {
        opacity: 1;
        transform: translateY(0) scale(1);
      }
    }

    @media (max-width: 980px) {
      .shell {
        grid-template-columns: 1fr;
      }

      .hero-main {
        grid-template-columns: 1fr;
      }

      .gallery-wrap {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }
    }

    @media (max-width: 720px) {
      .shell {
        width: min(100% - 14px, 1180px);
      }

      .hero,
      .side {
        padding: 16px;
      }

      .gallery-wrap {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .stats {
        grid-template-columns: 1fr;
      }

      .hero-copy h1 {
        font-size: clamp(30px, 12vw, 48px);
      }

      .profile-img {
        height: 150px;
      }
    }