:root {
      --accent-rgb: 53, 89, 230;
      --accent-rgb-2: 77, 140, 255;
      --bg-radial: rgba(var(--accent-rgb), 0.12);
      --bg-top: #f4f6fb;
      --bg-mid: #edf1f8;
      --bg-bottom: #f8fafd;
      --text-main: #172033;
      --text-soft: #4e5d76;
      --text-subtle: #8a96ab;
      --brand-sub: #8a96ab;
      --accent: #3559e6;
      --accent-2: #4d8cff;
      --accent-3: #94c3ff;
      --accent-soft: rgba(var(--accent-rgb), 0.1);
      --accent-soft-2: #f8fafd;
      --accent-border: rgba(53, 89, 230, 0.16);
      --line-soft: rgba(15, 23, 42, 0.08);
      --line-card: rgba(15, 23, 42, 0.08);
      --surface: rgba(255, 255, 255, 0.9);
      --surface-strong: #ffffff;
      --surface-tint: #f8fafd;
      --shadow-soft: 0 18px 46px rgba(24, 37, 66, 0.07);
      --shadow-strong: 0 20px 44px rgba(var(--accent-rgb), 0.14);
      --shadow-modal: 0 28px 68px rgba(24, 37, 66, 0.18);
      --overlay: rgba(17, 24, 39, 0.44);
    }

    [data-landing-theme="classic"] {
      --accent-rgb: 239, 106, 58;
      --accent-rgb-2: 229, 96, 126;
      --bg-radial: rgba(251, 146, 60, 0.16);
      --bg-top: #fff8f0;
      --bg-mid: #ffffff;
      --bg-bottom: #fffdfb;
      --text-main: #182230;
      --text-soft: #5f6f83;
      --text-subtle: #8c98a8;
      --brand-sub: #8f7c6b;
      --accent: #ef6a3a;
      --accent-2: #e5607e;
      --accent-3: #f7a35a;
      --accent-soft: #fff1e8;
      --accent-soft-2: #fff7f1;
      --accent-border: #ffd8be;
      --line-soft: #f0e8e0;
      --line-card: #f2e3d8;
      --surface: rgba(255, 255, 255, 0.92);
      --surface-strong: #ffffff;
      --surface-tint: #fff9f5;
      --shadow-soft: 0 16px 36px rgba(249, 115, 22, 0.09);
      --shadow-strong: 0 18px 40px rgba(239, 106, 58, 0.14);
      --shadow-modal: 0 28px 68px rgba(27, 37, 58, 0.18);
      --overlay: rgba(17, 24, 39, 0.44);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      background:
        radial-gradient(circle at top left, var(--bg-radial) 0, transparent 26%),
        linear-gradient(180deg, var(--bg-top) 0%, var(--bg-mid) 30%, var(--bg-bottom) 100%);
      color: var(--text-main);
    }
    a { text-decoration: none; color: inherit; }
    button, input { font: inherit; }
    button { border: none; background: none; padding: 0; }

    .lp-nav {
      position: sticky;
      top: 0;
      z-index: 200;
      background: color-mix(in srgb, var(--surface) 96%, transparent);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--line-soft);
    }
    .lp-nav-inner {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 28px;
      height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .lp-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 900;
      color: var(--text-main);
    }
    .lp-brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      flex-shrink: 0;
      display: grid;
      place-items: center;
      color: #fff;
      font-size: 16px;
      font-weight: 800;
      box-shadow: 0 12px 24px rgba(var(--accent-rgb), 0.2);
    }
    .lp-brand-copy {
      display: flex;
      flex-direction: column;
      gap: 1px;
    }
    .lp-brand-copy strong {
      font-size: 18px;
      font-weight: 800;
      color: var(--text-main);
    }
    .lp-brand-sub {
      font-size: 10px;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--brand-sub);
      font-weight: 500;
    }
    .lp-nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
      margin-left: auto;
    }
    .lp-nav-links a {
      color: var(--text-soft);
      font-size: 14px;
    }
    .lp-nav-links a:hover { color: var(--text-main); }
    .lp-nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .lp-btn-login,
    .lp-btn-register,
    .lp-btn-theme,
    .lp-cta-main,
    .lp-cta-ghost,
    .lp-pcta,
    .lp-bottom-btn,
    .auth-submit,
    .auth-tab,
    .auth-close {
      cursor: pointer;
    }
    .lp-btn-login {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 16px;
      border-radius: 11px;
      border: 1px solid var(--accent-border);
      background: var(--surface-strong);
      color: var(--text-soft);
      font-size: 14px;
      font-weight: 600;
      transition: background 0.15s, border-color 0.15s, color 0.15s;
    }
    .lp-btn-login:hover {
      background: var(--accent-soft-2);
      border-color: color-mix(in srgb, var(--accent-border) 80%, var(--accent) 20%);
      color: var(--accent);
    }
    .lp-btn-register {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 18px;
      border-radius: 11px;
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      color: #fff;
      font-size: 14px;
      font-weight: 700;
      box-shadow: 0 12px 24px rgba(var(--accent-rgb), 0.18);
      transition: opacity 0.15s, transform 0.15s;
    }
    .lp-btn-register:hover { opacity: 0.94; transform: translateY(-1px); }
    .lp-btn-theme {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 10px;
      border: 1px solid var(--accent-border);
      background: var(--surface-strong);
      color: var(--text-main);
      font-size: 16px;
      transition: background 0.15s, transform 0.15s, border-color 0.15s;
    }
    .lp-btn-theme:hover {
      background: var(--accent-soft-2);
      border-color: color-mix(in srgb, var(--accent-border) 84%, var(--accent) 16%);
      transform: translateY(-1px);
    }

    .lp-hero {
      max-width: 1240px;
      margin: 0 auto;
      padding: 44px 28px 36px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 480px;
      gap: 28px;
      align-items: stretch;
    }
    .lp-hero-left {
      display: flex;
      flex-direction: column;
      min-width: 0;
    }
    .lp-hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 20px;
      padding: 8px 14px;
      border-radius: 999px;
      background: var(--accent-soft);
      border: 1px solid var(--accent-border);
      color: var(--accent);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.06em;
      width: fit-content;
    }
    .lp-hero-badge::before {
      content: "●";
      font-size: 9px;
      color: var(--accent-2);
    }
    .lp-hero-title {
      margin: 0 0 20px;
      color: var(--text-main);
      font-size: 46px;
      line-height: 1.06;
      letter-spacing: -0.05em;
      font-weight: 900;
    }
    .lp-hero-title em {
      font-style: normal;
      color: var(--accent);
    }
    .lp-hero-desc {
      margin: 0 0 32px;
      color: var(--text-soft);
      font-size: 18px;
      line-height: 1.8;
    }
    .lp-cta-block {
      flex: 1;
      padding: 28px 30px;
      border-radius: 22px;
      background: linear-gradient(135deg, var(--accent-soft-2) 0%, var(--surface-strong) 100%);
      border: 1px solid var(--accent-border);
      box-shadow: var(--shadow-soft);
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .lp-cta-block::before {
      content: "";
      position: absolute;
      top: -40px;
      right: -40px;
      width: 140px;
      height: 140px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(var(--accent-rgb), 0.14) 0%, transparent 70%);
      pointer-events: none;
    }
    .lp-cta-block-hook {
      margin: 0 0 10px;
      font-size: 17px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.5;
      letter-spacing: -0.02em;
    }
    .lp-cta-block-hook > span {
      display: inline;
    }
    .lp-cta-block-hook em {
      display: block;
      font-style: normal;
      color: var(--accent);
      margin-top: 4px;
    }
    .lp-cta-block-desc {
      margin: 0 0 24px;
      color: var(--text-soft);
      font-size: 14px;
      line-height: 1.85;
    }
    .lp-cta-block-btns {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .lp-cta-main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 13px 22px;
      border-radius: 13px;
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      color: #fff;
      font-size: 15px;
      font-weight: 700;
      box-shadow: 0 14px 28px rgba(var(--accent-rgb), 0.2);
      transition: opacity 0.15s, transform 0.15s;
    }
    .lp-cta-main:hover { opacity: 0.94; transform: translateY(-1px); }
    .lp-cta-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 13px 22px;
      border-radius: 13px;
      border: 1px solid var(--accent-border);
      background: var(--surface-strong);
      color: var(--text-soft);
      font-size: 15px;
      font-weight: 600;
      transition: background 0.15s, color 0.15s, border-color 0.15s;
    }
    .lp-cta-ghost:hover {
      background: var(--accent-soft-2);
      color: var(--accent);
      border-color: color-mix(in srgb, var(--accent-border) 76%, var(--accent) 24%);
    }
    .lp-invite-notice {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-top: 18px;
      padding: 14px 16px;
      border-radius: 14px;
      background: color-mix(in srgb, var(--accent-soft) 70%, var(--surface-strong) 30%);
      border: 1px dashed color-mix(in srgb, var(--accent-border) 84%, var(--accent) 16%);
    }
    .lp-invite-icon {
      font-size: 22px;
      flex-shrink: 0;
    }
    .lp-invite-notice > div {
      font-size: 13px;
      line-height: 1.7;
      color: var(--text-soft);
      max-width: 420px;
    }
    .lp-invite-notice strong {
      display: block;
      color: var(--text-main);
      font-size: 13px;
      margin-bottom: 2px;
    }
    .lp-qrcode-wrap {
      flex-shrink: 0;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .lp-qrcode-image {
      display: block;
      width: 90px;
      height: 90px;
      border-radius: 12px;
      object-fit: cover;
      border: 1px solid color-mix(in srgb, var(--accent-border) 74%, transparent);
      background: var(--surface-strong);
      box-shadow: 0 12px 24px rgba(var(--accent-rgb), 0.12);
    }
    .lp-qrcode-placeholder {
      display: flex;
      width: 90px;
      height: 90px;
      border-radius: 12px;
      border: 2px dashed color-mix(in srgb, var(--accent-border) 78%, var(--accent) 22%);
      background: var(--accent-soft-2);
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 4px;
      font-size: 24px;
      color: var(--accent);
    }
    .lp-qrcode-placeholder small {
      font-size: 11px;
      font-weight: 700;
      color: var(--accent);
    }

    .lp-hero-right {
      display: flex;
      flex-direction: column;
      gap: 14px;
      min-width: 0;
      width: 100%;
      align-self: stretch;
    }
    .lp-highlight {
      padding: 24px;
      border-radius: 24px;
      background: linear-gradient(135deg, var(--accent-soft-2), var(--surface-strong));
      border: 1px solid var(--accent-border);
      box-shadow: var(--shadow-soft);
      min-width: 0;
    }
    .lp-highlight-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 16px;
    }
    .lp-highlight-top span:last-child {
      font-size: 12px;
      color: var(--text-subtle);
    }
    .lp-highlight-badge {
      padding: 5px 12px;
      border-radius: 999px;
      background: color-mix(in srgb, var(--accent-soft) 80%, var(--surface-strong) 20%);
      color: var(--accent);
      font-size: 12px;
      font-weight: 800;
    }
    .lp-highlight h3 {
      margin: 0 0 10px;
      color: var(--text-main);
      font-size: 22px;
      font-weight: 900;
    }
    .lp-highlight p {
      margin: 0 0 16px;
      color: var(--text-soft);
      font-size: 14px;
      line-height: 1.8;
    }
    .lp-highlight-stats {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
    }
    .lp-highlight-stat {
      padding: 13px 10px;
      border-radius: 15px;
      background: var(--surface-strong);
      border: 1px solid var(--line-card);
      text-align: center;
    }
    .lp-highlight-stat strong {
      display: block;
      color: var(--text-main);
      font-size: 17px;
      font-weight: 900;
    }
    .lp-highlight-stat span {
      color: var(--text-soft);
      font-size: 12px;
    }
    .lp-mosaic {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      flex: 1;
    }
    .lp-card {
      padding: 18px;
      border-radius: 20px;
      background: var(--surface-strong);
      border: 1px solid color-mix(in srgb, var(--line-card) 76%, var(--line-soft) 24%);
      box-shadow: 0 10px 22px rgba(15, 23, 42, 0.04);
      min-width: 0;
      height: 100%;
    }
    .lp-card-icon {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 12px;
      font-size: 20px;
      background: color-mix(in srgb, var(--accent-soft) 86%, var(--surface-strong) 14%);
    }
    .lp-card h4 {
      margin: 0 0 5px;
      color: var(--text-main);
      font-size: 15px;
      font-weight: 800;
    }
    .lp-card p {
      margin: 0;
      color: var(--text-soft);
      font-size: 13px;
      line-height: 1.7;
    }

    .lp-pricing-wrap {
      background: var(--surface-tint);
      border-top: 1px solid var(--line-soft);
      border-bottom: 1px solid var(--line-soft);
      padding: 64px 28px 72px;
    }
    .lp-pricing-inner {
      max-width: 980px;
      margin: 0 auto;
    }
    .lp-pricing-eyebrow {
      text-align: center;
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.1em;
      color: var(--accent);
      text-transform: uppercase;
      margin-bottom: 10px;
    }
    .lp-pricing-title {
      text-align: center;
      font-size: 32px;
      font-weight: 900;
      color: var(--text-main);
      margin: 0 0 8px;
      letter-spacing: -0.03em;
    }
    .lp-pricing-sub {
      text-align: center;
      color: var(--text-soft);
      font-size: 15px;
      margin: 0 0 32px;
    }
    .billing-toggle {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      margin-bottom: 32px;
    }
    .billing-toggle span {
      font-size: 14px;
      color: var(--text-subtle);
      cursor: pointer;
    }
    .billing-toggle span.active {
      color: var(--text-main);
      font-weight: 700;
    }
    .toggle-sw {
      position: relative;
      width: 48px;
      height: 26px;
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      border-radius: 13px;
      cursor: pointer;
      box-shadow: 0 10px 18px rgba(var(--accent-rgb), 0.16);
    }
    .toggle-sw::after {
      content: "";
      position: absolute;
      top: 3px;
      left: 3px;
      width: 20px;
      height: 20px;
      background: #fff;
      border-radius: 50%;
      transition: left 0.2s;
    }
    .toggle-sw.yearly::after { left: 25px; }
    .saving-badge {
      display: inline-block;
      background: var(--accent-soft);
      color: var(--accent);
      font-size: 11px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 999px;
      margin-left: 6px;
    }
    .lp-pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }
    .lp-pc {
      padding: 28px 24px;
      border-radius: 22px;
      background: var(--surface-strong);
      border: 1px solid var(--line-card);
      box-shadow: 0 14px 28px rgba(15, 23, 42, 0.05);
      position: relative;
      display: flex;
      flex-direction: column;
    }
    .lp-pc.featured {
      border-color: var(--accent);
      box-shadow: var(--shadow-strong);
      background: linear-gradient(160deg, var(--accent-soft-2), var(--surface-strong));
    }
    .lp-pbadge {
      position: absolute;
      top: -13px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      color: #fff;
      font-size: 11px;
      font-weight: 800;
      padding: 4px 16px;
      border-radius: 999px;
      white-space: nowrap;
    }
    .lp-pname {
      font-size: 19px;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .lp-pdesc {
      color: var(--text-soft);
      font-size: 13px;
      margin-bottom: 20px;
    }
    .lp-pprice {
      font-size: 40px;
      font-weight: 900;
      color: var(--accent);
      line-height: 1;
    }
    .lp-pprice span {
      font-size: 15px;
      font-weight: 400;
      color: var(--text-subtle);
    }
    .lp-pprice-alt {
      font-size: 13px;
      color: var(--text-subtle);
      margin: 6px 0 20px;
      min-height: 20px;
    }
    .lp-pfeatures {
      list-style: none;
      margin: 0 0 24px;
      padding: 0;
      flex: 1;
    }
    .lp-pfeatures li {
      padding: 8px 0;
      font-size: 14px;
      color: #475569;
      border-bottom: 1px solid color-mix(in srgb, var(--line-card) 64%, transparent);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .lp-pfeatures li:last-child { border: none; }
    .lp-pfeatures li::before {
      content: "✓";
      color: var(--accent);
      font-weight: 700;
      flex-shrink: 0;
    }
    .lp-pfeatures li.disabled { color: #b8c3cf; }
    .lp-pfeatures li.disabled::before {
      content: "✓";
      color: #b8c3cf;
    }
    .lp-pcta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 100%;
      padding: 12px;
      border-radius: 13px;
      font-weight: 700;
      text-align: center;
      font-size: 15px;
      transition: opacity 0.15s, transform 0.15s, background 0.15s;
    }
    .lp-pcta:hover {
      opacity: 0.94;
      transform: translateY(-1px);
    }
    .lp-pcta-p {
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      color: #fff;
      box-shadow: 0 12px 24px rgba(var(--accent-rgb), 0.18);
    }
    .lp-pcta-o {
      border: 1.5px solid color-mix(in srgb, var(--accent-border) 85%, transparent);
      color: var(--accent);
      background: var(--surface-strong);
    }
    .lp-pcta-o:hover { background: var(--accent-soft-2); }

    .lp-bottom-cta {
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      color: #fff;
      text-align: center;
      padding: 64px 28px;
    }
    .lp-bottom-cta h2 {
      margin: 0 0 12px;
      font-size: 30px;
      font-weight: 900;
      letter-spacing: -0.03em;
    }
    .lp-bottom-cta p {
      margin: 0 0 26px;
      font-size: 16px;
      opacity: 0.88;
    }
    .lp-bottom-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 28px;
      border-radius: 14px;
      background: #fff;
      color: var(--accent);
      font-size: 15px;
      font-weight: 800;
      box-shadow: 0 16px 32px rgba(0, 0, 0, 0.14);
    }

    .lp-footer {
      background: var(--surface-strong);
      border-top: 1px solid var(--line-soft);
      text-align: center;
      padding: 20px;
      color: var(--text-subtle);
      font-size: 13px;
    }
    .lp-footer p { margin: 0; }

    .auth-layer[hidden] { display: none; }
    .auth-layer {
      position: fixed;
      inset: 0;
      z-index: 500;
      display: grid;
      place-items: center;
      padding: 24px;
    }
    .auth-backdrop {
      position: absolute;
      inset: 0;
      background: var(--overlay);
      backdrop-filter: blur(8px);
    }
    .auth-shell {
      position: relative;
      z-index: 1;
      width: min(100%, 468px);
      margin: 0;
      border-radius: 22px;
      background: color-mix(in srgb, var(--surface-strong) 98%, transparent);
      border: 1px solid var(--line-soft);
      box-shadow: 0 24px 54px rgba(24, 37, 66, 0.14);
      overflow: hidden;
    }
    .auth-shell::before {
      content: none;
    }
    .auth-head {
      position: relative;
      padding: 18px 18px 12px;
      border-bottom: 1px solid color-mix(in srgb, var(--line-soft) 88%, transparent);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .auth-head-copy {
      display: flex;
      flex-direction: column;
      gap: 5px;
    }
    .auth-brand {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      font-weight: 700;
      color: var(--text-subtle);
      letter-spacing: 0.02em;
    }
    .auth-brand .lp-brand-mark {
      width: 28px;
      height: 28px;
      font-size: 11px;
      border-radius: 10px;
      box-shadow: 0 8px 18px rgba(var(--accent-rgb), 0.18);
    }
    .auth-title {
      margin: 0;
      color: var(--text-main);
      font-size: 22px;
      line-height: 1.15;
      letter-spacing: -0.03em;
    }
    .auth-subtitle {
      margin: 0;
      color: var(--text-soft);
      font-size: 12.5px;
      line-height: 1.6;
    }
    .auth-close {
      width: 34px;
      height: 34px;
      border-radius: 10px;
      border: 1px solid var(--line-soft);
      background: var(--surface-tint);
      color: var(--text-soft);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      transition: background 0.15s, color 0.15s, transform 0.15s;
    }
    .auth-close:hover {
      background: var(--accent-soft);
      color: var(--accent);
      transform: translateY(-1px);
    }
    .auth-tabs {
      display: flex;
      gap: 4px;
      margin: 14px 18px 0;
      padding: 4px;
      border-radius: 14px;
      background: var(--surface-tint);
      border: 1px solid color-mix(in srgb, var(--line-soft) 90%, transparent);
    }
    .auth-tab {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 1;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 10px;
      background: transparent;
      color: var(--text-soft);
      font-size: 12.5px;
      font-weight: 700;
      border: 1px solid transparent;
      transition: background 0.15s, color 0.15s, border-color 0.15s, box-shadow 0.15s;
    }
    .auth-tab.active {
      background: var(--surface-strong);
      color: var(--text-main);
      border-color: rgba(var(--accent-rgb), 0.08);
      box-shadow: 0 8px 18px rgba(24, 37, 66, 0.08);
    }
    .auth-body {
      padding: 16px 18px 18px;
    }
    .auth-view[hidden] { display: none; }
    .auth-grid {
      display: grid;
      gap: 12px;
    }
    .auth-field {
      display: grid;
      gap: 7px;
    }
    .auth-field label {
      font-size: 12px;
      font-weight: 700;
      color: var(--text-soft);
    }
    .auth-field input {
      width: 100%;
      min-height: 44px;
      padding: 0 13px;
      border-radius: 12px;
      border: 1px solid color-mix(in srgb, var(--line-card) 96%, transparent);
      background: var(--surface-tint);
      color: var(--text-main);
      outline: none;
      transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
    }
    .auth-field input::placeholder { color: var(--text-subtle); }
    .auth-field input:focus {
      border-color: color-mix(in srgb, var(--accent) 58%, var(--accent-border) 42%);
      box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.1);
      background: var(--surface-strong);
    }
    .auth-inline {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 12px;
      margin-top: 2px;
    }
    .auth-check {
      display: inline-flex;
      align-items: flex-start;
      gap: 9px;
      color: var(--text-soft);
      font-size: 12.5px;
      line-height: 1.65;
    }
    .auth-check input {
      margin-top: 3px;
      width: 16px;
      height: 16px;
      accent-color: var(--accent);
    }
    .auth-link {
      color: var(--accent);
      font-size: 12.5px;
      font-weight: 600;
      background: none;
      cursor: pointer;
      padding: 0;
    }
    .auth-link:hover { text-decoration: underline; }
    .auth-invite {
      padding: 11px 12px;
      border-radius: 12px;
      background: var(--accent-soft-2);
      border: 1px solid color-mix(in srgb, var(--accent-border) 78%, transparent);
      color: var(--text-soft);
      font-size: 12.5px;
      line-height: 1.65;
    }
    .auth-invite strong {
      color: var(--text-main);
      display: block;
      margin-bottom: 3px;
    }
    .auth-submit {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 100%;
      min-height: 44px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      color: #fff;
      font-size: 14px;
      font-weight: 800;
      box-shadow: 0 12px 24px rgba(var(--accent-rgb), 0.16);
      transition: opacity 0.15s, transform 0.15s;
    }
    .auth-submit:hover { opacity: 0.94; transform: translateY(-1px); }
    .auth-meta {
      margin-top: 12px;
      display: flex;
      flex-wrap: wrap;
      gap: 8px 14px;
      align-items: center;
      justify-content: flex-start;
      color: var(--text-soft);
      font-size: 12.5px;
    }
    .auth-feedback {
      min-height: 18px;
      margin-top: 10px;
      text-align: left;
      color: var(--accent);
      font-size: 12px;
      font-weight: 600;
    }
    .auth-feedback.is-error { color: #d14343; }
    .auth-feedback.is-success { color: #1d7d4d; }

    @media (max-width: 1100px) {
      .lp-hero { grid-template-columns: 1fr; }
      .lp-hero-right { display: none; }
    }
    @media (max-width: 860px) {
      .lp-nav-links { display: none; }
      .lp-pricing-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin: 0 auto;
      }
      .auth-layer { padding: 18px; }
      .auth-shell { width: 100%; }
    }
    @media (max-width: 640px) {
      .lp-hero { padding: 28px 16px 40px; }
      .lp-hero-title { font-size: 36px; }
      .lp-nav-inner { padding: 0 16px; }
      .lp-cta-block-btns { flex-direction: column; }
      .lp-cta-main,
      .lp-cta-ghost { width: 100%; }
      .lp-invite-notice { flex-wrap: wrap; }
      .lp-qrcode-wrap { width: 100%; justify-content: center; }
      .lp-pricing-wrap { padding: 48px 16px 56px; }
      .lp-pricing-title { font-size: 26px; }
      .lp-nav-actions { gap: 8px; }
      .lp-btn-login,
      .lp-btn-register { padding-left: 14px; padding-right: 14px; }
      .auth-head {
        padding: 16px 16px 12px;
      }
      .auth-tabs,
      .auth-body {
        padding-left: 16px;
        padding-right: 16px;
      }
      .auth-tabs {
        margin: 12px 16px 0;
        overflow-x: auto;
      }
      .auth-shell {
        border-radius: 18px;
      }
      .auth-title { font-size: 20px; }
    }